@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');/* this gets exported as style.css and can be used for the default theming */
/* these are the necessary styles for React/Svelte Flow, they get used by base.css and style.css */
.react-flow {
  direction: ltr;

  --xy-edge-stroke-default: #b1b1b7;
  --xy-edge-stroke-width-default: 1;
  --xy-edge-stroke-selected-default: #555;

  --xy-connectionline-stroke-default: #b1b1b7;
  --xy-connectionline-stroke-width-default: 1;

  --xy-attribution-background-color-default: rgba(255, 255, 255, 0.5);

  --xy-minimap-background-color-default: #fff;
  --xy-minimap-mask-background-color-default: rgba(240, 240, 240, 0.6);
  --xy-minimap-mask-stroke-color-default: transparent;
  --xy-minimap-mask-stroke-width-default: 1;
  --xy-minimap-node-background-color-default: #e2e2e2;
  --xy-minimap-node-stroke-color-default: transparent;
  --xy-minimap-node-stroke-width-default: 2;

  --xy-background-color-default: transparent;
  --xy-background-pattern-dots-color-default: #91919a;
  --xy-background-pattern-lines-color-default: #eee;
  --xy-background-pattern-cross-color-default: #e2e2e2;
  background-color: var(--xy-background-color, var(--xy-background-color-default));
  --xy-node-color-default: inherit;
  --xy-node-border-default: 1px solid #1a192b;
  --xy-node-background-color-default: #fff;
  --xy-node-group-background-color-default: rgba(240, 240, 240, 0.25);
  --xy-node-boxshadow-hover-default: 0 1px 4px 1px rgba(0, 0, 0, 0.08);
  --xy-node-boxshadow-selected-default: 0 0 0 0.5px #1a192b;
  --xy-node-border-radius-default: 3px;

  --xy-handle-background-color-default: #1a192b;
  --xy-handle-border-color-default: #fff;

  --xy-selection-background-color-default: rgba(0, 89, 220, 0.08);
  --xy-selection-border-default: 1px dotted rgba(0, 89, 220, 0.8);

  --xy-controls-button-background-color-default: #fefefe;
  --xy-controls-button-background-color-hover-default: #f4f4f4;
  --xy-controls-button-color-default: inherit;
  --xy-controls-button-color-hover-default: inherit;
  --xy-controls-button-border-color-default: #eee;
  --xy-controls-box-shadow-default: 0 0 2px 1px rgba(0, 0, 0, 0.08);

  --xy-edge-label-background-color-default: #ffffff;
  --xy-edge-label-color-default: inherit;
  --xy-resize-background-color-default: #3367d9;
}
.react-flow.dark {
  --xy-edge-stroke-default: #3e3e3e;
  --xy-edge-stroke-width-default: 1;
  --xy-edge-stroke-selected-default: #727272;

  --xy-connectionline-stroke-default: #b1b1b7;
  --xy-connectionline-stroke-width-default: 1;

  --xy-attribution-background-color-default: rgba(150, 150, 150, 0.25);

  --xy-minimap-background-color-default: #141414;
  --xy-minimap-mask-background-color-default: rgba(60, 60, 60, 0.6);
  --xy-minimap-mask-stroke-color-default: transparent;
  --xy-minimap-mask-stroke-width-default: 1;
  --xy-minimap-node-background-color-default: #2b2b2b;
  --xy-minimap-node-stroke-color-default: transparent;
  --xy-minimap-node-stroke-width-default: 2;

  --xy-background-color-default: #141414;
  --xy-background-pattern-dots-color-default: #777;
  --xy-background-pattern-lines-color-default: #777;
  --xy-background-pattern-cross-color-default: #777;
  --xy-node-color-default: #f8f8f8;
  --xy-node-border-default: 1px solid #3c3c3c;
  --xy-node-background-color-default: #1e1e1e;
  --xy-node-group-background-color-default: rgba(240, 240, 240, 0.25);
  --xy-node-boxshadow-hover-default: 0 1px 4px 1px rgba(255, 255, 255, 0.08);
  --xy-node-boxshadow-selected-default: 0 0 0 0.5px #999;

  --xy-handle-background-color-default: #bebebe;
  --xy-handle-border-color-default: #1e1e1e;

  --xy-selection-background-color-default: rgba(200, 200, 220, 0.08);
  --xy-selection-border-default: 1px dotted rgba(200, 200, 220, 0.8);

  --xy-controls-button-background-color-default: #2b2b2b;
  --xy-controls-button-background-color-hover-default: #3e3e3e;
  --xy-controls-button-color-default: #f8f8f8;
  --xy-controls-button-color-hover-default: #fff;
  --xy-controls-button-border-color-default: #5b5b5b;
  --xy-controls-box-shadow-default: 0 0 2px 1px rgba(0, 0, 0, 0.08);

  --xy-edge-label-background-color-default: #141414;
  --xy-edge-label-color-default: #f8f8f8;
}
.react-flow__background {
  background-color: var(--xy-background-color-props, var(--xy-background-color, var(--xy-background-color-default)));
  pointer-events: none;
  z-index: -1;
}
.react-flow__container {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}
.react-flow__pane {
  z-index: 1;
}
.react-flow__pane.draggable {
    cursor: grab;
  }
.react-flow__pane.dragging {
    cursor: grabbing;
  }
.react-flow__pane.selection {
    cursor: pointer;
  }
.react-flow__viewport {
  transform-origin: 0 0;
  z-index: 2;
  pointer-events: none;
}
.react-flow__renderer {
  z-index: 4;
}
.react-flow__selection {
  z-index: 6;
}
.react-flow__nodesselection-rect:focus,
.react-flow__nodesselection-rect:focus-visible {
  outline: none;
}
.react-flow__edge-path {
  stroke: var(--xy-edge-stroke, var(--xy-edge-stroke-default));
  stroke-width: var(--xy-edge-stroke-width, var(--xy-edge-stroke-width-default));
  fill: none;
}
.react-flow__connection-path {
  stroke: var(--xy-connectionline-stroke, var(--xy-connectionline-stroke-default));
  stroke-width: var(--xy-connectionline-stroke-width, var(--xy-connectionline-stroke-width-default));
  fill: none;
}
.react-flow .react-flow__edges {
  position: absolute;
}
.react-flow .react-flow__edges svg {
    overflow: visible;
    position: absolute;
    pointer-events: none;
  }
.react-flow__edge {
  pointer-events: visibleStroke;
}
.react-flow__edge.selectable {
    cursor: pointer;
  }
.react-flow__edge.animated path {
    stroke-dasharray: 5;
    animation: dashdraw 0.5s linear infinite;
  }
.react-flow__edge.animated path.react-flow__edge-interaction {
    stroke-dasharray: none;
    animation: none;
  }
.react-flow__edge.inactive {
    pointer-events: none;
  }
.react-flow__edge.selected,
  .react-flow__edge:focus,
  .react-flow__edge:focus-visible {
    outline: none;
  }
.react-flow__edge.selected .react-flow__edge-path,
  .react-flow__edge.selectable:focus .react-flow__edge-path,
  .react-flow__edge.selectable:focus-visible .react-flow__edge-path {
    stroke: var(--xy-edge-stroke-selected, var(--xy-edge-stroke-selected-default));
  }
.react-flow__edge-textwrapper {
    pointer-events: all;
  }
.react-flow__edge .react-flow__edge-text {
    pointer-events: none;
    -webkit-user-select: none;
       -moz-user-select: none;
            user-select: none;
  }
/* Arrowhead marker styles - use CSS custom properties as default */
.react-flow__arrowhead polyline {
  stroke: var(--xy-edge-stroke, var(--xy-edge-stroke-default));
}
.react-flow__arrowhead polyline.arrowclosed {
  fill: var(--xy-edge-stroke, var(--xy-edge-stroke-default));
}
.react-flow__connection {
  pointer-events: none;
}
.react-flow__connection .animated {
    stroke-dasharray: 5;
    animation: dashdraw 0.5s linear infinite;
  }
svg.react-flow__connectionline {
  z-index: 1001;
  overflow: visible;
  position: absolute;
}
.react-flow__nodes {
  pointer-events: none;
  transform-origin: 0 0;
}
.react-flow__node {
  position: absolute;
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
  pointer-events: all;
  transform-origin: 0 0;
  box-sizing: border-box;
  cursor: default;
}
.react-flow__node.selectable {
    cursor: pointer;
  }
.react-flow__node.draggable {
    cursor: grab;
    pointer-events: all;
  }
.react-flow__node.draggable.dragging {
      cursor: grabbing;
    }
.react-flow__nodesselection {
  z-index: 3;
  transform-origin: left top;
  pointer-events: none;
}
.react-flow__nodesselection-rect {
    position: absolute;
    pointer-events: all;
    cursor: grab;
  }
.react-flow__handle {
  position: absolute;
  pointer-events: none;
  min-width: 5px;
  min-height: 5px;
  width: 6px;
  height: 6px;
  background-color: var(--xy-handle-background-color, var(--xy-handle-background-color-default));
  border: 1px solid var(--xy-handle-border-color, var(--xy-handle-border-color-default));
  border-radius: 100%;
}
.react-flow__handle.connectingfrom {
    pointer-events: all;
  }
.react-flow__handle.connectionindicator {
    pointer-events: all;
    cursor: crosshair;
  }
.react-flow__handle-bottom {
    top: auto;
    left: 50%;
    bottom: 0;
    transform: translate(-50%, 50%);
  }
.react-flow__handle-top {
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
  }
.react-flow__handle-left {
    top: 50%;
    left: 0;
    transform: translate(-50%, -50%);
  }
.react-flow__handle-right {
    top: 50%;
    right: 0;
    transform: translate(50%, -50%);
  }
.react-flow__edgeupdater {
  cursor: move;
  pointer-events: all;
}
.react-flow__pane.selection .react-flow__panel {
  pointer-events: none;
}
.react-flow__panel {
  position: absolute;
  z-index: 5;
  margin: 15px;
}
.react-flow__panel.top {
    top: 0;
  }
.react-flow__panel.bottom {
    bottom: 0;
  }
.react-flow__panel.top.center, .react-flow__panel.bottom.center {
      left: 50%;
      transform: translateX(-15px) translateX(-50%);
    }
.react-flow__panel.left {
    left: 0;
  }
.react-flow__panel.right {
    right: 0;
  }
.react-flow__panel.left.center, .react-flow__panel.right.center {
      top: 50%;
      transform: translateY(-15px) translateY(-50%);
    }
.react-flow__attribution {
  font-size: 10px;
  background: var(--xy-attribution-background-color, var(--xy-attribution-background-color-default));
  padding: 2px 3px;
  margin: 0;
}
.react-flow__attribution a {
    text-decoration: none;
    color: #999;
  }
@keyframes dashdraw {
  from {
    stroke-dashoffset: 10;
  }
}
.react-flow__edgelabel-renderer {
  position: absolute;
  width: 100%;
  height: 100%;
  pointer-events: none;
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
  left: 0;
  top: 0;
}
.react-flow__viewport-portal {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
}
.react-flow__minimap {
  background: var(
    --xy-minimap-background-color-props,
    var(--xy-minimap-background-color, var(--xy-minimap-background-color-default))
  );
}
.react-flow__minimap-svg {
    display: block;
  }
.react-flow__minimap-mask {
    fill: var(
      --xy-minimap-mask-background-color-props,
      var(--xy-minimap-mask-background-color, var(--xy-minimap-mask-background-color-default))
    );
    stroke: var(
      --xy-minimap-mask-stroke-color-props,
      var(--xy-minimap-mask-stroke-color, var(--xy-minimap-mask-stroke-color-default))
    );
    stroke-width: var(
      --xy-minimap-mask-stroke-width-props,
      var(--xy-minimap-mask-stroke-width, var(--xy-minimap-mask-stroke-width-default))
    );
  }
.react-flow__minimap-node {
    fill: var(
      --xy-minimap-node-background-color-props,
      var(--xy-minimap-node-background-color, var(--xy-minimap-node-background-color-default))
    );
    stroke: var(
      --xy-minimap-node-stroke-color-props,
      var(--xy-minimap-node-stroke-color, var(--xy-minimap-node-stroke-color-default))
    );
    stroke-width: var(
      --xy-minimap-node-stroke-width-props,
      var(--xy-minimap-node-stroke-width, var(--xy-minimap-node-stroke-width-default))
    );
  }
.react-flow__background-pattern.dots {
    fill: var(
      --xy-background-pattern-color-props,
      var(--xy-background-pattern-color, var(--xy-background-pattern-dots-color-default))
    );
  }
.react-flow__background-pattern.lines {
    stroke: var(
      --xy-background-pattern-color-props,
      var(--xy-background-pattern-color, var(--xy-background-pattern-lines-color-default))
    );
  }
.react-flow__background-pattern.cross {
    stroke: var(
      --xy-background-pattern-color-props,
      var(--xy-background-pattern-color, var(--xy-background-pattern-cross-color-default))
    );
  }
.react-flow__controls {
  display: flex;
  flex-direction: column;
  box-shadow: var(--xy-controls-box-shadow, var(--xy-controls-box-shadow-default));
}
.react-flow__controls.horizontal {
    flex-direction: row;
  }
.react-flow__controls-button {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 26px;
    width: 26px;
    padding: 4px;
    border: none;
    background: var(--xy-controls-button-background-color, var(--xy-controls-button-background-color-default));
    border-bottom: 1px solid
      var(
        --xy-controls-button-border-color-props,
        var(--xy-controls-button-border-color, var(--xy-controls-button-border-color-default))
      );
    color: var(
      --xy-controls-button-color-props,
      var(--xy-controls-button-color, var(--xy-controls-button-color-default))
    );
    cursor: pointer;
    -webkit-user-select: none;
       -moz-user-select: none;
            user-select: none;
  }
.react-flow__controls-button svg {
      width: 100%;
      max-width: 12px;
      max-height: 12px;
      fill: currentColor;
    }
.react-flow__edge.updating .react-flow__edge-path {
      stroke: #777;
    }
.react-flow__edge-text {
    font-size: 10px;
  }
.react-flow__node.selectable:focus,
  .react-flow__node.selectable:focus-visible {
    outline: none;
  }
.react-flow__node-input,
.react-flow__node-default,
.react-flow__node-output,
.react-flow__node-group {
  padding: 10px;
  border-radius: var(--xy-node-border-radius, var(--xy-node-border-radius-default));
  width: 150px;
  font-size: 12px;
  color: var(--xy-node-color, var(--xy-node-color-default));
  text-align: center;
  border: var(--xy-node-border, var(--xy-node-border-default));
  background-color: var(--xy-node-background-color, var(--xy-node-background-color-default));
}
.react-flow__node-input.selectable:hover, .react-flow__node-default.selectable:hover, .react-flow__node-output.selectable:hover, .react-flow__node-group.selectable:hover {
      box-shadow: var(--xy-node-boxshadow-hover, var(--xy-node-boxshadow-hover-default));
    }
.react-flow__node-input.selectable.selected,
    .react-flow__node-input.selectable:focus,
    .react-flow__node-input.selectable:focus-visible,
    .react-flow__node-default.selectable.selected,
    .react-flow__node-default.selectable:focus,
    .react-flow__node-default.selectable:focus-visible,
    .react-flow__node-output.selectable.selected,
    .react-flow__node-output.selectable:focus,
    .react-flow__node-output.selectable:focus-visible,
    .react-flow__node-group.selectable.selected,
    .react-flow__node-group.selectable:focus,
    .react-flow__node-group.selectable:focus-visible {
      box-shadow: var(--xy-node-boxshadow-selected, var(--xy-node-boxshadow-selected-default));
    }
.react-flow__node-group {
  background-color: var(--xy-node-group-background-color, var(--xy-node-group-background-color-default));
}
.react-flow__nodesselection-rect,
.react-flow__selection {
  background: var(--xy-selection-background-color, var(--xy-selection-background-color-default));
  border: var(--xy-selection-border, var(--xy-selection-border-default));
}
.react-flow__nodesselection-rect:focus,
  .react-flow__nodesselection-rect:focus-visible,
  .react-flow__selection:focus,
  .react-flow__selection:focus-visible {
    outline: none;
  }
.react-flow__controls-button:hover {
      background: var(
        --xy-controls-button-background-color-hover-props,
        var(--xy-controls-button-background-color-hover, var(--xy-controls-button-background-color-hover-default))
      );
      color: var(
        --xy-controls-button-color-hover-props,
        var(--xy-controls-button-color-hover, var(--xy-controls-button-color-hover-default))
      );
    }
.react-flow__controls-button:disabled {
      pointer-events: none;
    }
.react-flow__controls-button:disabled svg {
        fill-opacity: 0.4;
      }
.react-flow__controls-button:last-child {
    border-bottom: none;
  }
.react-flow__controls.horizontal .react-flow__controls-button {
    border-bottom: none;
    border-right: 1px solid
      var(
        --xy-controls-button-border-color-props,
        var(--xy-controls-button-border-color, var(--xy-controls-button-border-color-default))
      );
  }
.react-flow__controls.horizontal .react-flow__controls-button:last-child {
    border-right: none;
  }
.react-flow__resize-control {
  position: absolute;
}
.react-flow__resize-control.left,
.react-flow__resize-control.right {
  cursor: ew-resize;
}
.react-flow__resize-control.top,
.react-flow__resize-control.bottom {
  cursor: ns-resize;
}
.react-flow__resize-control.top.left,
.react-flow__resize-control.bottom.right {
  cursor: nwse-resize;
}
.react-flow__resize-control.bottom.left,
.react-flow__resize-control.top.right {
  cursor: nesw-resize;
}
/* handle styles */
.react-flow__resize-control.handle {
  width: 5px;
  height: 5px;
  border: 1px solid #fff;
  border-radius: 1px;
  background-color: var(--xy-resize-background-color, var(--xy-resize-background-color-default));
  translate: -50% -50%;
}
.react-flow__resize-control.handle.left {
  left: 0;
  top: 50%;
}
.react-flow__resize-control.handle.right {
  left: 100%;
  top: 50%;
}
.react-flow__resize-control.handle.top {
  left: 50%;
  top: 0;
}
.react-flow__resize-control.handle.bottom {
  left: 50%;
  top: 100%;
}
.react-flow__resize-control.handle.top.left {
  left: 0;
}
.react-flow__resize-control.handle.bottom.left {
  left: 0;
}
.react-flow__resize-control.handle.top.right {
  left: 100%;
}
.react-flow__resize-control.handle.bottom.right {
  left: 100%;
}
/* line styles */
.react-flow__resize-control.line {
  border-color: var(--xy-resize-background-color, var(--xy-resize-background-color-default));
  border-width: 0;
  border-style: solid;
}
.react-flow__resize-control.line.left,
.react-flow__resize-control.line.right {
  width: 1px;
  transform: translate(-50%, 0);
  top: 0;
  height: 100%;
}
.react-flow__resize-control.line.left {
  left: 0;
  border-left-width: 1px;
}
.react-flow__resize-control.line.right {
  left: 100%;
  border-right-width: 1px;
}
.react-flow__resize-control.line.top,
.react-flow__resize-control.line.bottom {
  height: 1px;
  transform: translate(0, -50%);
  left: 0;
  width: 100%;
}
.react-flow__resize-control.line.top {
  top: 0;
  border-top-width: 1px;
}
.react-flow__resize-control.line.bottom {
  border-bottom-width: 1px;
  top: 100%;
}
.react-flow__edge-textbg {
  fill: var(--xy-edge-label-background-color, var(--xy-edge-label-background-color-default));
}
.react-flow__edge-text {
  fill: var(--xy-edge-label-color, var(--xy-edge-label-color-default));
}


* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* T-A11Y-03: Suppress mouse-click focus rings; keep keyboard focus visible */

button:focus:not(:focus-visible) {
  outline: none;
}

button:focus-visible {
  outline: 2px solid var(--accent-primary, #3b82f6);
  outline-offset: 2px;
}

/* T-A11Y-01: Skip link — visually hidden until focused */

.skip-link {
  position: absolute;
  top: -100%;
  left: 8px;
  z-index: 9999;
  padding: 6px 12px;
  background: var(--bg-primary, #1e2130);
  color: var(--text-primary, #e0e0e0);
  border: 2px solid var(--accent-primary, #3b82f6);
  border-radius: 4px;
  font-size: 13px;
  text-decoration: none;
  transition: top 0.1s;
}

.skip-link:focus {
  top: 8px;
}

/* Light tokens */

:root {
  --bg-canvas: #e8e8e8;
  --bg-primary: #f0f0f0;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f5f5f5;
  --bg-elevated: #ffffff;
  --bg-hover: rgba(0, 0, 0, 0.06);
  --border-color: #e0e0e0;
  --text-primary: #1a1a1a;
  --text-secondary: #6b6b6b;
  --text-muted: #a0a0a0;
  --accent-primary: #0d99ff;
  --accent-secondary: #0078d4;
  --accent-primary-muted: rgba(13, 153, 255, 0.12);
  --accent-success: #1bc47d;
  --accent-warning: #f5a623;
  --accent-danger: #f24822;
  --danger-color: #e53e3e;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --panel-transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* OS dark preference */

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg-canvas: #2c2c2c;
    --bg-primary: #1e1e1e;
    --bg-secondary: #252525;
    --bg-tertiary: #2a2a2a;
    --bg-elevated: #303030;
    --bg-hover: rgba(255, 255, 255, 0.07);
    --border-color: #3a3a3a;
    --text-primary: #ebebeb;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --accent-primary: #18a0fb;
    --accent-secondary: #1a9ef5;
    --accent-primary-muted: rgba(24, 160, 251, 0.15);
    --danger-color: #fc5c5c;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  }
}

/* Explicit dark theme */

[data-theme='dark'] {
  --bg-canvas: #2c2c2c;
  --bg-primary: #1e1e1e;
  --bg-secondary: #252525;
  --bg-tertiary: #2a2a2a;
  --bg-elevated: #303030;
  --bg-hover: rgba(255, 255, 255, 0.07);
  --border-color: #3a3a3a;
  --text-primary: #ebebeb;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --accent-primary: #18a0fb;
  --accent-secondary: #1a9ef5;
  --accent-primary-muted: rgba(24, 160, 251, 0.15);
  --danger-color: #fc5c5c;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  font-size: 13px;
  -webkit-font-smoothing: antialiased;
  /* Prevent accidental text selection across the entire app */
  user-select: none;
  -webkit-user-select: none;
}

/* Re-enable selection only in inputs and explicitly selectable text */

input, textarea, [contenteditable], .selectable {
  user-select: text;
  -webkit-user-select: text;
}

/* ── Global dark-theme base for ALL bare inputs and selects ────────────────
   Catches every panel component that uses <input>/<select> without a class.
   Elements WITH a className are styled by their own rule (not affected here).
   ──────────────────────────────────────────────────────────────────────── */

input:not([type='checkbox']):not([type='radio']):not([class]),
select:not([class]) {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  color: var(--text-primary);
  padding: 6px 8px;
  font-family: inherit;
  font-size: 12px;
  outline: none;
}

input:not([type='checkbox']):not([type='radio']):not([class]):focus,
select:not([class]):focus {
  border-color: var(--accent-primary);
}

/* Checkbox + radio: accent colour only, no size override */

input[type='checkbox'],
input[type='radio'] {
  accent-color: var(--accent-primary);
  cursor: pointer;
}

/* Range sliders — consistent across all panels */

input[type='range'] {
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  accent-color: var(--accent-primary);
  margin: 0;
}

input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-primary);
  border: 2px solid var(--bg-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  transition: transform 0.1s;
}

input[type='range']::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

input[type='range']::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-primary);
  border: 2px solid var(--bg-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  cursor: pointer;
}

input[type='range']::-moz-range-track {
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
}

.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  /* Prevent accidental text selection across the UI chrome */
  user-select: none;
  -webkit-user-select: none;
}

/* Re-enable text selection in actual text inputs and editable areas */

.app-container input,
.app-container textarea,
.app-container [contenteditable],
.app-container .selectable {
  user-select: text;
  -webkit-user-select: text;
}

/* Toolbar */

.app-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 40px;
  padding: 0 8px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  gap: 8px;
  flex-shrink: 0;
  /* Allow dragging the window in Tauri desktop mode */
  -webkit-app-region: drag;
}

/* Buttons inside the drag region must opt-out of drag */

.app-toolbar button,
.app-toolbar a,
.app-toolbar select,
.app-toolbar input {
  -webkit-app-region: no-drag;
}

/* macOS: traffic lights are in the native title bar, no extra padding needed */

.app-toolbar.tauri-macos .toolbar-left {
  padding-left: 0;
}

.toolbar-left,
.toolbar-right {
  display: flex;
  align-items: center;
  gap: 2px;
}

.toolbar-left {
  gap: 6px;
}

.brand-logo {
  width: 26px;
  height: 26px;
  background: var(--accent-primary);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 11px;
  color: #fff;
  flex-shrink: 0;
}

.brand-logo-img {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  flex-shrink: 0;
  display: block;
}

.project-name-btn {
  padding: 3px 8px;
  background: none;
  border: 1px solid transparent;
  border-radius: 5px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  max-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all 0.15s ease;
}

.project-name-btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.project-name-input {
  padding: 3px 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--accent-primary);
  border-radius: 5px;
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 500;
  outline: none;
  width: 160px;
}

.toolbar-sep {
  width: 1px;
  height: 16px;
  background: var(--border-color);
  margin: 0 4px;
}

/* Inline project rename in top toolbar — higher specificity than .toolbar-btn */

.toolbar-btn.project-name-btn {
  width: auto;
  min-width: 80px;
  max-width: 280px;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  justify-content: flex-start;
  gap: 4px;
  flex-shrink: 1;
}

/* Inner span handles the ellipsis — flex containers don't apply text-overflow to text nodes */

.project-name-text {
  display: block;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.01em;
}

.project-name-input {
  height: 26px;
  width: 200px;
  max-width: 280px;
  padding: 0 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--bg-tertiary);
  border: 1px solid var(--accent-primary);
  border-radius: 4px;
  outline: none;
  font-family: inherit;
  box-sizing: border-box;
}

.toolbar-tabs {
  display: flex;
  gap: 1px;
  background: var(--bg-tertiary);
  padding: 3px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.tab-btn {
  padding: 3px 12px;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  transition: color 0.12s ease;
  font-family: inherit;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--text-primary);
  font-weight: 600;
}

.toolbar-btn {
  width: 28px;
  height: 28px;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.12s ease;
  flex-shrink: 0;
}

.toolbar-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.toolbar-btn:active {
  background: var(--bg-elevated);
}

.toolbar-btn--user .user-avatar {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* Panel toggle: active state shows accent background pill */

.panel-toggle-btn.panel-on {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
}

/* App Body */

.app-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Panel resize handles */

.panel-resizer {
  flex-shrink: 0;
  width: 4px;
  cursor: col-resize;
  background: transparent;
  transition: background 0.15s ease;
  position: relative;
  z-index: 10;
}

.panel-resizer:hover,
.panel-resizer.dragging {
  background: var(--accent-primary);
}

.panel-resizer::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: -4px;
  right: -4px;
}

/* panel-resizer--right: no order override needed — DOM position handles placement */

/* Navigator Panel */

.app-left-panel {
  width: 260px;
  min-width: 260px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: width var(--panel-transition), min-width var(--panel-transition),
    border-color var(--panel-transition);
}

.app-left-panel.panel-collapsed {
  width: 0;
  min-width: 0;
  border-right-color: transparent;
}

.navigator {
  display: flex;
  flex-direction: column;
  flex: 1 1 0;
  min-height: 0;
}

.navigator-header {
  display: flex;
  align-items: center;
  height: 40px;
  padding: 0 16px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border-color);
}

.navigator-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  line-height: 1;
}

.navigator-content {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.nav-section {
  margin-bottom: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  padding: 6px 16px;
  cursor: pointer;
  transition: background 0.1s ease;
  gap: 8px;
  font-size: 13px;
  color: var(--text-primary);
}

.nav-item:hover {
  background: var(--bg-elevated);
}

.nav-item.selected {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-secondary);
}

.expand-icon {
  font-size: 8px;
  color: var(--text-muted);
  transition: transform 0.15s ease;
  width: 12px;
}

.expand-icon.expanded {
  transform: rotate(90deg);
}

.item-icon {
  font-size: 14px;
  width: 20px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tool-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.item-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-count {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 10px;
}

.item-meta {
  font-size: 11px;
  color: var(--text-muted);
}

.nav-children {
  padding-left: 24px;
}

.nav-children .nav-item {
  padding-left: 16px;
}

.nav-child-indent {
  padding-left: 32px !important;
}

.navigator-search {
  padding: 6px 12px;
  border-bottom: 1px solid var(--border-color);
}

.navigator-search-input {
  width: 100%;
  padding: 5px 8px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 12px;
}

.nav-icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 2px;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 0.1s;
}

.nav-item:hover .nav-icon-btn {
  opacity: 1;
}

.layer-color-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-right: 4px;
}

/* T-VIS-01/03: Hidden element rows — dimmed label */

.nav-item--hidden .item-name,
.nav-item--hidden .item-icon {
  opacity: 0.4;
}

/* T-VIS-02: Temporary-hide banner in Navigator */

.nav-temp-hide-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 3px 8px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  font-size: 10px;
  color: var(--accent);
}

.nav-temp-hide-reset {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--accent);
  display: flex;
  align-items: center;
  padding: 1px;
}

/* T-VIS-04: Category filter rows */

.nav-filter-row {
  cursor: pointer;
  user-select: none;
}

.nav-filter-badge {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 9px;
  background: color-mix(in srgb, var(--accent) 20%, transparent);
  color: var(--accent);
  border-radius: 8px;
  padding: 1px 5px;
  margin-left: auto;
  margin-right: 4px;
}

/* T-VIS-02: Temporary-hide chip in viewport overlay */

.viewport-temp-hide-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  background: color-mix(in srgb, var(--accent) 90%, transparent);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 11px;
  cursor: pointer;
  margin-bottom: 4px;
  white-space: nowrap;
}

.viewport-temp-hide-chip:hover {
  background: var(--accent);
}

/* Tool Shelf */

.app-toolshelf-container {
  width: 40px;
  min-width: 40px;
  background: var(--bg-primary);
  border-right: 1px solid var(--border-color);
  padding: 6px 0;
  overflow: hidden;
  transition: width var(--panel-transition), min-width var(--panel-transition),
    border-color var(--panel-transition);
}

.app-toolshelf-container.panel-collapsed {
  width: 0;
  min-width: 0;
  border-right-color: transparent;
}

.toolshelf {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  overflow-y: auto;
  overflow-x: hidden;
  max-height: 100%;
  padding: 2px 0;
  /* Hide scrollbar — keep scroll behaviour. */
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.toolshelf::-webkit-scrollbar { display: none; }

.toolshelf-categories {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 4px;
}

.category-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s ease, color 0.12s ease;
  flex-shrink: 0;
}

.category-btn:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.category-btn.active {
  background: var(--bg-elevated);
  color: var(--accent-primary);
}

.toolshelf-divider {
  width: 20px;
  height: 1px;
  background: var(--border-color);
  margin: 2px 0;
  flex-shrink: 0;
}

.toolshelf-tools {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0 2px;
  width: 100%;
}

.tool-btn {
  width: 28px;
  height: 24px;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0;
  transition: color 0.12s ease;
  flex-shrink: 0;
}

.tool-btn:hover {
  background: transparent;
  color: var(--text-primary);
}

.tool-btn.active,
.tool-btn.active:hover {
  background: transparent;
  color: var(--accent-primary);
}

/* Expanded mode — tool shows name alongside the icon */

.toolshelf--expanded .tool-btn {
  width: 140px;
  height: 22px;
  justify-content: flex-start;
  padding: 0 8px;
}

.tool-name {
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}

/* Active tool: icon color only — no bars, no backgrounds */

/* Main Viewport */

.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-canvas);
}

.viewport-wrapper {
  flex: 1;
  position: relative;
  overflow: hidden;
}

/* Floating level selector — compact left-side vertical stack */

.floating-level-selector {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  pointer-events: auto;
}

.floating-level-selector .level-selector {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  padding: 4px;
  /* Override base: stack levels vertically in the left panel */
  flex-direction: column;
  align-items: stretch;
  gap: 2px;
}

.floating-placement-panel {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  pointer-events: auto;
}

/* Focus mode */

.focus-hint {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.55);
  color: rgba(255, 255, 255, 0.85);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 4px;
  pointer-events: none;
  white-space: nowrap;
}

.focus-hint kbd {
  font-family: inherit;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
  padding: 1px 4px;
}

/* Level Selector (base styles — vertical compact) */

.level-selector {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 2px;
  padding: 4px;
}

/* Hide the "Level:" label — the visual context makes it obvious */

.level-selector-label {
  display: none;
}

.level-tabs {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.level-tab {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 5px;
  cursor: pointer;
  transition: color 0.12s, background 0.12s;
  white-space: nowrap;
  gap: 8px;
}

.level-tab:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.level-tab.active {
  color: var(--accent-primary);
  background: transparent;
  border-color: transparent;
  position: relative;
}

/* Thin accent mark on the right edge of active level */

.level-tab.active::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 2px;
  background: var(--accent-primary);
  border-radius: 2px 0 0 2px;
}

.level-name {
  font-size: 12px;
  font-weight: 600;
}

.level-elevation {
  font-size: 10px;
  opacity: 0.55;
  font-variant-numeric: tabular-nums;
}

/* Level Manager */

.level-manager {
  border-top: 1px solid var(--border-color);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  max-height: 40%;
  min-height: 0;
}

.level-manager-list {
  padding: 4px 8px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  min-height: 0;
}

.level-manager-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(56px, 72px) 22px;
  align-items: center;
  gap: 4px;
  min-width: 0;
  width: 100%;
}

.level-name-input {
  min-width: 0;
  height: 26px;
  padding: 0 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.12s ease;
}

.level-name-input:focus {
  border-color: var(--accent-primary);
}

.level-elev-input {
  min-width: 0;
  width: 100%;
  height: 26px;
  padding: 0 6px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  outline: none;
  text-align: right;
  transition: border-color 0.12s ease;
  /* Hide native number-input spinners so the full width is usable */
  -moz-appearance: textfield;
  appearance: textfield;
}

.level-elev-input::-webkit-outer-spin-button,
.level-elev-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.level-elev-input:focus {
  border-color: var(--accent-primary);
}

.level-delete-btn {
  width: 22px;
  height: 22px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
  line-height: 1;
}

.level-delete-btn:hover {
  background: rgba(242, 72, 34, 0.1);
  color: var(--accent-danger);
}

/* Right Panel */

.app-right-panel {
  width: 260px;
  min-width: 260px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width var(--panel-transition), min-width var(--panel-transition), border-color var(--panel-transition);
}

.app-right-panel.panel-collapsed {
  width: 0;
  min-width: 0;
  border-left-color: transparent;
}

/* AI Panel collapse */

.app-ai-panel {
  overflow: hidden;
  transition: width var(--panel-transition), min-width var(--panel-transition), border-color var(--panel-transition);
}

.app-ai-panel.panel-collapsed {
  width: 0;
  min-width: 0;
  border-left-color: transparent;
}

/* Layers Panel */

.layers-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 40px;
  padding: 0 16px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.panel-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.panel-actions {
  display: flex;
  gap: 4px;
}

.panel-action-btn {
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.panel-action-btn svg {
  width: 14px;
  height: 14px;
  display: block;
  flex-shrink: 0;
}

.panel-action-btn:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.layers-list {
  max-height: 200px;
  overflow-y: auto;
}

.layer-item {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  gap: 10px;
  cursor: pointer;
  transition: background 0.1s ease;
  color: var(--text-primary);
}

.layer-item:hover {
  background: var(--bg-elevated);
}

.layer-color {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  flex-shrink: 0;
}

.layer-name {
  flex: 1;
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.layer-visibility {
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  flex-shrink: 0;
  transition: background 0.1s, color 0.1s;
}

.layer-visibility:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.layer-visibility.hidden {
  opacity: 0.4;
}

/* Properties Panel */

.properties-panel {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.properties-content {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
}

.property-group {
  margin-bottom: 16px;
}

.property-group-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.property-row {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
  gap: 8px;
}

.property-label {
  width: 80px;
  font-size: 12px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.property-value {
  flex: 1;
}

.property-input {
  width: 100%;
  padding: 6px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
}

.property-input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.property-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Structured-value summary (Points: "6 points", etc.) */

.property-structured {
  display: inline-block;
  padding: 5px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: 12px;
  font-style: italic;
  font-variant-numeric: tabular-nums;
  width: 100%;
  box-sizing: border-box;
  cursor: help;
}

/* AI Chat Panel */

.app-ai-panel {
  width: 360px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.ai-chat-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.chat-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.chat-header-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.chat-config-btn {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-config-btn:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.chat-close {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-close:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message {
  display: flex;
  gap: 12px;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.message.assistant .message-avatar {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}

.message.user .message-avatar {
  background: var(--bg-elevated);
}

.message-content {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border-radius: 12px;
  border-top-left-radius: 4px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-primary);
}

.message.user .message-content {
  background: rgba(59, 130, 246, 0.15);
  border-top-left-radius: 12px;
  border-top-right-radius: 4px;
}

.message-content p {
  margin: 0;
}

.message-content.typing {
  display: flex;
  gap: 4px;
  align-items: center;
}

.typing-dot {
  width: 8px;
  height: 8px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: typing 1.4s infinite;
}

.typing-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typing {
  0%,
  60%,
  100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

.chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border-color);
}

.suggestion-btn {
  padding: 6px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.suggestion-btn:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.chat-input-container {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.chat-input {
  flex: 1;
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  resize: none;
}

.chat-input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.chat-input::placeholder {
  color: var(--text-muted);
}

.chat-send {
  padding: 10px 20px;
  background: var(--accent-primary);
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.chat-send:hover:not(:disabled) {
  background: var(--accent-secondary);
}

.chat-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.chat-stop {
  padding: 10px 20px;
  background: var(--danger-color, #e53e3e);
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.chat-stop:hover {
  opacity: 0.85;
}

.chat-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.chat-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.chat-icon-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.ai-provider-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--accent-primary-muted, rgba(99,102,241,0.15));
  color: var(--accent-primary);
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.ai-setup-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
  font-size: 12px;
  color: var(--text-secondary);
}

.ai-setup-banner svg {
  flex-shrink: 0;
  color: var(--accent-primary);
}

.btn-setup-ai {
  margin-left: auto;
  padding: 4px 12px;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
}

.btn-setup-ai:hover {
  background: var(--accent-secondary);
}

.ai-config-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 16px;
  overflow-y: auto;
  flex: 1;
}

.config-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.config-field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.config-field input,
.config-field select {
  padding: 8px 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s ease;
}

.config-field input:focus,
.config-field select:focus {
  border-color: var(--accent-primary);
}

.config-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
}

.config-hint code {
  background: var(--bg-tertiary);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: monospace;
}

.btn-save-config {
  padding: 10px 16px;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-save-config:hover {
  background: var(--accent-secondary);
}

.streaming-cursor {
  display: inline-block;
  animation: blink 0.8s step-start infinite;
  color: var(--accent-primary);
  margin-left: 2px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Version History Panel */

.version-history-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px;
  height: 100%;
  overflow-y: auto;
}

.version-history-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.version-create {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.version-message-input {
  padding: 7px 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 12px;
  outline: none;
}

.version-message-input:focus {
  border-color: var(--accent-primary);
}

.btn-create-version {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 7px 12px;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-create-version:hover {
  background: var(--accent-secondary);
}

.version-empty {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 16px;
  line-height: 1.5;
}

.version-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.version-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.version-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.version-number {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-primary);
}

.version-time {
  font-size: 11px;
  color: var(--text-muted);
}

.version-msg {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0;
}

.btn-restore-version {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  color: var(--text-secondary);
  font-size: 11px;
  cursor: pointer;
  margin-top: 4px;
  width: fit-content;
  transition: all 0.15s ease;
}

.btn-restore-version:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.btn-restore-version:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Status Bar */

.app-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 28px;
  padding: 0 16px;
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
  font-size: 11px;
  color: var(--text-muted);
}

.status-left,
.status-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-coords {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  gap: 2px;
}

.status-coords .coord-axis {
  color: var(--text-muted);
  font-weight: 600;
  padding: 0 2px 0 6px;
  letter-spacing: 0.02em;
}

.status-coords .coord-val {
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  min-width: 40px;
  text-align: right;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-success);
}

.status-indicator.offline {
  background: var(--accent-danger);
}

.status-storage-warning {
  color: var(--accent-warning);
  font-size: 11px;
  font-weight: 500;
}

/* Scrollbar */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Viewport */

.viewport-container {
  width: 100%;
  height: 100%;
  position: relative;
  background: var(--bg-tertiary);
}

.viewport-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

.viewport-canvas.is-select {
  cursor: default;
}

.viewport-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.viewport-corner {
  position: absolute;
  padding: 8px 12px;
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-elevated);
  border-radius: 4px;
}

.viewport-corner.top-left {
  top: 12px;
  left: 12px;
}

.viewport-corner.top-right {
  top: 12px;
  right: 12px;
}

.viewport-corner.bottom-left {
  bottom: 12px;
  left: 12px;
  display: flex;
  gap: 12px;
}

.viewport-corner.bottom-right {
  bottom: 12px;
  right: 12px;
  display: flex;
  gap: 8px;
}

.view-toggle {
  padding: 4px 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  pointer-events: auto;
  transition: all 0.15s ease;
}

.view-toggle:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.active-tool-indicator {
  color: var(--accent-primary);
  margin-left: 4px;
}

.viewport-info {
  font-size: 10px;
  color: var(--text-muted);
}

.viewport-controls {
  display: flex;
  gap: 4px;
}

.viewport-control-btn {
  padding: 4px 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.viewport-control-btn:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.viewport-control-btn.active {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* Modal */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 480px;
  max-width: 90vw;
  max-height: 80vh;
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
}

/* Import Area */

.import-area {
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.import-area:hover {
  border-color: var(--accent-primary);
  background: rgba(79, 70, 229, 0.05);
}

.import-icon {
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.import-text {
  font-size: 14px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.import-formats {
  font-size: 12px;
  color: var(--text-secondary);
}

.import-status {
  color: var(--accent-primary);
  margin-top: 12px;
}

.import-error {
  color: var(--accent-danger);
  margin-top: 12px;
}

/* Export Options */

.export-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.export-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
  color: var(--text-primary);
  text-align: left;
}

.export-btn:hover:not(:disabled) {
  border-color: var(--accent-primary);
  background: rgba(79, 70, 229, 0.05);
}

.export-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.export-btn span:first-of-type {
  font-weight: 500;
}

.export-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-left: auto;
}

/* Project Templates */

.templates-title {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* Tool-parameter panel (Wall/Slab/DoorWindow/Column/Beam/Stair/Railing)
   — rendered inline at the top of the right-panel Properties tab, NOT a
   floating overlay. */

.placement-panel {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.placement-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 40px;
  padding: 0 16px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.placement-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.placement-close {
  width: 22px;
  height: 22px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.placement-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.placement-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.placement-params {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.placement-param {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.placement-param label {
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.placement-param input {
  width: 80px;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  text-align: right;
}

.placement-param input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.placement-hint {
  padding: 8px 14px;
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
  font-style: italic;
}

/* ── Project Dashboard ─────────────────────────────── */

.project-dashboard {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: var(--bg-secondary);
  overflow-y: auto;
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px 16px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-elevated);
}

.dashboard-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
}

.btn-primary {
  padding: 8px 18px;
  background: var(--accent-primary);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-secondary {
  padding: 8px 18px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-secondary:hover { background: var(--bg-elevated); }

.dashboard-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 32px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-color);
  gap: 16px;
  flex-wrap: wrap;
}

.filter-tabs {
  display: flex;
  gap: 4px;
}

.filter-tab {
  padding: 6px 14px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
}

.filter-tab.active {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
}

.dashboard-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-input {
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 13px;
  width: 220px;
}

.sort-select {
  padding: 6px 10px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 12px;
  cursor: pointer;
}

.view-toggle-btn {
  padding: 6px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
}

.view-toggle-btn.active {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  padding: 24px 32px;
}

.projects-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 32px;
}

.project-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow 0.15s;
}

.project-card:hover {
  box-shadow: var(--shadow-md);
}

.project-card-thumb {
  aspect-ratio: 4/3;
  background: var(--bg-tertiary);
  overflow: hidden;
}

.project-thumb-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
}

.project-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px 4px;
  gap: 8px;
}

.project-name-inline {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--accent-color, #3b82f6);
  border-radius: 4px;
  padding: 2px 6px;
  outline: none;
}

.project-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
}

.star-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 2px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.star-btn.starred {
  color: var(--accent-warning);
}

.project-card-meta {
  padding: 0 12px 10px;
  font-size: 11px;
  color: var(--text-muted);
}

.dashboard-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 48px 32px 40px;
  gap: 48px;
  overflow-y: auto;
}

.empty-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.empty-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.empty-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
}

.empty-templates-section {
  width: 100%;
  max-width: 960px;
}

.empty-templates-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 12px 0;
  text-align: center;
}

/* Suppress duplicate header inside the empty-state template section */

.empty-templates-section .panel-header {
  display: none;
}

/* Wider columns for the full-width empty-state template grid */

.empty-templates-section .templates-grid {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

/* ── Project card actions ────────────────────────────────────── */

.delete-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1;
  padding: 2px 5px;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
  flex-shrink: 0;
}

.delete-btn:hover {
  color: var(--accent-danger);
  background: rgba(242, 72, 34, 0.1);
}

/* ── Project templates component ────────────────────────────── */

.project-templates {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 4px 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.compliance-warning {
  margin: 8px 12px;
  padding: 8px 10px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--accent-warning);
  border-radius: 6px;
  font-size: 11px;
  color: var(--accent-warning);
}

.computed-row {
  cursor: default;
  padding: 4px 12px;
  font-size: 11px;
}

.computed-label {
  color: var(--text-muted);
  font-size: 11px;
}

.computed-value {
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 500;
}

/* ── Right panel tab bar ────────────────────────────── */

.app-right-panel {
  flex-direction: row;
}

.right-panel-tab-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 32px;
  min-width: 32px;
  padding: 2px 0;
  background: var(--bg-primary);
  border-right: 1px solid var(--border-color);
  gap: 0;
  overflow-x: hidden;
  overflow-y: auto;
  flex-shrink: 0;
  /* Hide scrollbar — keep scroll behaviour. */
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.right-panel-tab-bar::-webkit-scrollbar { display: none; }

.right-panel-tab-btn {
  width: 28px;
  height: 24px;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: color 0.12s ease;
}

.right-panel-tab-btn svg {
  width: 16px;
  height: 16px;
  display: block;
  flex-shrink: 0;
}

.right-panel-tab-btn:hover {
  background: transparent;
  color: var(--text-primary);
}

.right-panel-tab-btn.active,
.right-panel-tab-btn.active:hover {
  background: transparent;
  color: var(--accent-primary);
}

.right-panel-content {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ── Command Palette overlay ────────────────────────── */

.command-palette-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 120px;
  z-index: 2000;
}

.command-palette {
  width: 520px;
  max-width: 90vw;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.command-palette-input {
  width: 100%;
  padding: 14px 16px;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  outline: none;
}

.command-palette-input::placeholder {
  color: var(--text-muted);
}

.command-palette-results {
  list-style: none;
  max-height: 320px;
  overflow-y: auto;
}

.command-palette-empty {
  padding: 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

.command-palette-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 16px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-primary);
  transition: background 0.1s ease;
}

.command-palette-option:hover,
.command-palette-option.selected {
  background: var(--bg-tertiary);
}

.command-palette-label {
  flex: 1;
}

.command-palette-shortcut {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
}

/* ── Sync Status Bar ────────────────────────────────── */

.sync-status-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-muted);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot-connected { background: #22c55e; }

.status-dot-syncing   { background: #f59e0b; animation: pulse 1s infinite; }

.status-dot-offline   { background: #6b7280; }

.status-dot-error     { background: #ef4444; }

.status-label { color: var(--text-secondary); }

.status-error-msg { color: #ef4444; }

.pending-ops  { color: #f59e0b; margin-left: 4px; }

.last-synced  { color: var(--text-muted); margin-left: 4px; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ── Auth Modal ─────────────────────────────────────── */

.auth-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.auth-modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 32px;
  width: 400px;
  max-width: 90vw;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.auth-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  text-align: center;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-muted);
  line-height: 1;
  padding: 4px 8px;
}

.oauth-buttons {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.btn-oauth {
  flex: 1;
  padding: 8px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-oauth:hover { background: var(--bg-tertiary); }

.auth-divider {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  margin: 12px 0;
  position: relative;
}

.auth-form { display: flex; flex-direction: column; gap: 12px; }

.form-field { display: flex; flex-direction: column; gap: 4px; }

.form-field label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-field input {
  padding: 8px 10px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 13px;
}

.btn-auth-submit {
  margin-top: 4px;
  padding: 10px;
  background: var(--accent-primary);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
}

.btn-auth-submit:hover { opacity: 0.9; }

.auth-switch {
  margin-top: 16px;
  text-align: center;
}

.btn-switch {
  background: none;
  border: none;
  color: var(--accent-primary);
  font-size: 13px;
  cursor: pointer;
  text-decoration: underline;
}

/* ── Settings Modal ─────────────────────────────────── */

.settings-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.settings-modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 560px;
  max-width: 95vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.settings-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.settings-modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.settings-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.settings-signout {
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 4px 10px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.settings-signout:hover {
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.4);
}

.settings-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px 8px;
  line-height: 1;
}

.settings-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-color);
  padding: 0 16px;
}

.settings-tab-btn {
  padding: 10px 16px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.settings-tab-btn:hover { color: var(--text-primary); }

.settings-tab-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

.settings-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

/* ── Templates Modal (ProjectDashboard) ─────────────── */

.templates-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.templates-modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 720px;
  max-width: 95vw;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.templates-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px 8px;
  line-height: 1;
  z-index: 1;
}

.templates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  padding: 16px;
}

.template-card {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 14px;
  background: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: box-shadow 0.15s;
}

.template-card:hover { box-shadow: var(--shadow-md); }

.template-info { display: flex; flex-direction: column; gap: 3px; flex: 1; }

.template-name { font-size: 13px; font-weight: 600; color: var(--text-primary); }

.template-category { font-size: 11px; color: var(--accent-primary); font-weight: 500; }

.template-desc { font-size: 12px; color: var(--text-secondary); line-height: 1.4; }

.template-meta { font-size: 11px; color: var(--text-muted); }

.btn-use-template {
  padding: 6px 10px;
  background: var(--accent-primary);
  color: #fff;
  border: none;
  border-radius: 5px;
  font-size: 12px;
  cursor: pointer;
  transition: opacity 0.15s;
  align-self: flex-start;
}

.btn-use-template:hover { opacity: 0.9; }

/* ── Dashboard header actions ───────────────────────── */

.dashboard-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 32px 16px;
}

.dashboard-title {
  flex: 1;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

/* ── Shared panel form fields ───────────────────────── */

/* Used by ShadowAnalysisPanel, WindAnalysisPanel, and
   any panel that uses .field-row / .analysis-section */

.analysis-section {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
}

.analysis-section h4 {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin: 0 0 8px;
}

.field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 3px 0;
}

.field-row label {
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
  flex: 1;
}

.field-row input[type='number'],
.field-row input[type='text'],
.field-row input[type='date'],
.field-row input[type='time'],
.field-row select {
  width: 90px;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  text-align: right;
  flex-shrink: 0;
}

.field-row input[type='date'],
.field-row input[type='time'] {
  text-align: left;
}

.field-row input[type='checkbox'] {
  width: 14px;
  height: 14px;
  accent-color: var(--accent-primary);
  cursor: pointer;
  flex-shrink: 0;
}

.field-row input:focus,
.field-row select:focus {
  outline: none;
  border-color: var(--accent-primary);
}

/* Range sliders inside field rows (shadow-analysis month + hour) */

.field-row input[type='range'] {
  flex: 1;
  min-width: 0;
  max-width: 140px;
  accent-color: var(--accent-primary);
  padding: 0;
  background: transparent;
  border: none;
  text-align: initial;
}

/* Readonly value column in result rows (Elevation, Azimuth, Daylight) */

.field-row .field-label {
  font-size: 11px;
  color: var(--text-secondary);
  flex: 1;
}

.field-row .field-value {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  min-width: 48px;
  text-align: right;
  flex-shrink: 0;
}

.direction-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-primary);
  min-width: 22px;
  text-align: center;
  flex-shrink: 0;
}

.compass-reference {
  font-size: 10px;
  color: var(--text-muted);
  padding: 6px 0 2px;
  border-top: 1px solid var(--border-color);
  margin-top: 4px;
  line-height: 1.4;
}

.btn-run-analysis {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: calc(100% - 28px);
  margin: 12px 14px;
  padding: 8px 14px;
  background: var(--accent-primary);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.12s ease;
}

.btn-run-analysis:hover {
  background: var(--accent-secondary);
}

/* panel-body: used by ClashDetectionPanel, BCFPanel, etc. */

.panel-body {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
}

/* placement-param: also add select support */

.placement-param select {
  width: 80px;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
}

.placement-param select:focus {
  outline: none;
  border-color: var(--accent-primary);
}

/* ── Panel resize handles ───────────────────────────── */

.panel-resize-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 4px;
  cursor: col-resize;
  z-index: 10;
  background: transparent;
  transition: background 0.15s ease;
  user-select: none;
}

.panel-resize-handle:hover,
.panel-resize-handle.dragging {
  background: var(--accent-primary);
  opacity: 0.5;
}

.app-left-panel {
  position: relative;
}

.app-left-panel .panel-resize-handle {
  right: -2px;
}

.app-right-panel {
  position: relative;
}

.app-right-panel .panel-resize-handle {
  left: -2px;
}

/* ── Render panel forms (render-section / render-field) ── */

/* Mirrors analysis-section / field-row patterns */

.render-panel,
.tool-panel {
  overflow-y: auto;
  height: 100%;
}

.render-section {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
}

.render-section h4 {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.render-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 3px 0;
}

.render-field label {
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
  flex: 1;
}

.render-field input[type='range'] {
  flex: 1;
  accent-color: var(--accent-primary);
}

.render-field input[type='checkbox'] {
  width: 14px;
  height: 14px;
  accent-color: var(--accent-primary);
  cursor: pointer;
  flex-shrink: 0;
}

.render-field select,
.render-field input[type='number'] {
  width: 90px;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  flex-shrink: 0;
}

.render-field select:focus,
.render-field input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

/* ── Tool panel (SectionBoxPanel etc.) ─────────────────── */

.tool-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 40px;
  padding: 0 16px;
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.tool-panel-group {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tool-panel-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.tool-panel-row label {
  font-size: 11px;
  color: var(--text-secondary);
  flex: 1;
}

.tool-panel-row input[type='checkbox'] {
  width: 14px;
  height: 14px;
  accent-color: var(--accent-primary);
  cursor: pointer;
  flex-shrink: 0;
}

.tool-panel-row input[type='range'] {
  flex: 1;
  accent-color: var(--accent-primary);
}

.tool-panel-select,
.tool-panel-row select {
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  flex-shrink: 0;
}

.section-toggle-label {
  font-size: 12px;
  color: var(--text-primary);
  font-weight: 500;
  flex: 1;
}

.section-position-slider {
  width: 100%;
  accent-color: var(--accent-primary);
  margin-top: 4px;
}

/* ── Shared scrollable panel content ─────────────────── */

.right-panel-content > div {
  height: 100%;
  overflow-y: auto;
}

/* ── Shared inner-panel layout ───────────────────────── */

.cost-panel,
.carbon-panel,
.hatch-panel,
.marketplace-panel,
.api-key-panel,
.permissions-panel,
.sso-settings-panel,
.spec-writing-panel,
.comments-panel,
.bcf-panel,
.schedule-panel,
.sheet-panel,
.clash-detection-panel,
.photo-to-model-panel,
.site-import-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
}

/* ── Shared panel empty states ───────────────────────── */

.cost-empty,
.carbon-empty,
.clash-empty,
.schedule-empty,
.bcf-empty,
.comments-empty,
.marketplace-empty,
.spec-empty {
  padding: 24px 16px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
}

/* ── Shared panel tables ─────────────────────────────── */

.cost-table,
.carbon-table,
.schedule-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
  color: var(--text-primary);
}

.cost-table th,
.carbon-table th,
.schedule-table th {
  padding: 6px 8px;
  text-align: left;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
  position: sticky;
  top: 0;
  z-index: 1;
}

.cost-table td,
.carbon-table td,
.schedule-table td {
  padding: 5px 8px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.cost-row:hover,
.carbon-row:hover {
  background: var(--bg-elevated);
}

.cost-grand-total td,
.schedule-total {
  font-weight: 600;
  background: var(--bg-secondary);
  border-top: 2px solid var(--border-color);
}

.schedule-table-wrapper {
  overflow: auto;
  flex: 1;
}

/* ── Schedule quantity stat strip (replaces side-scrolling summary table) */

.schedule-qty-summary {
  display: flex;
  gap: 8px;
  padding: 10px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.schedule-qty-stat {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.schedule-qty-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-muted);
}

.schedule-qty-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.schedule-total-footer {
  padding: 8px 12px;
  margin: 4px 10px 10px;
  border-top: 1px solid var(--border-color);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: right;
}

/* ── Schedule cards (no side-scroll in narrow right-panel) ─────────────── */

.schedule-cards {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px 10px 12px;
}

.schedule-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 10px;
}

.schedule-card-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 6px;
}

.schedule-card-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-primary);
  letter-spacing: 0.3px;
}

.schedule-card-title {
  font-size: 12px;
  color: var(--text-primary);
  font-weight: 500;
}

.schedule-card-fields {
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: 10px;
  row-gap: 3px;
  margin: 0;
  font-size: 11px;
}

.schedule-card-field {
  display: contents;
}

.schedule-card-field dt {
  color: var(--text-muted);
  font-weight: 500;
}

.schedule-card-field dd {
  color: var(--text-primary);
  margin: 0;
  word-break: break-word;
  font-variant-numeric: tabular-nums;
}

/* ── Cost panel ──────────────────────────────────────── */

.cost-desc { color: var(--text-primary); }

.cost-type { color: var(--text-secondary); font-size: 10px; }

.cost-qty, .cost-unit { color: var(--text-secondary); text-align: right; }

.cost-rate, .cost-total { font-variant-numeric: tabular-nums; text-align: right; }

.btn-export,
.btn-import-bcf,
.btn-export-bcf,
.btn-search,
.btn-import-site,
.btn-publish,
.btn-install,
.btn-generate,
.btn-run-analysis,
.btn-create-version,
.btn-save,
.btn-invite,
.btn-remove,
.btn-reply,
.btn-add-comment,
.btn-resolve,
.btn-upload,
.btn-extract {
  padding: 4px 10px;
  font-size: 11px;
  font-family: inherit;
  border-radius: 5px;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  transition: background 0.12s ease, border-color 0.12s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-export:hover,
.btn-import-bcf:hover,
.btn-export-bcf:hover,
.btn-search:hover,
.btn-import-site:hover,
.btn-publish:hover,
.btn-install:hover,
.btn-generate:hover,
.btn-run-analysis:hover,
.btn-create-version:hover,
.btn-save:hover,
.btn-invite:hover,
.btn-reply:hover,
.btn-add-comment:hover,
.btn-resolve:hover,
.btn-upload:hover,
.btn-extract:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
}

.btn-remove {
  background: transparent;
  border-color: transparent;
  color: var(--text-muted);
  padding: 4px 6px;
}

.btn-remove:hover {
  background: var(--bg-elevated);
  color: #e74c3c;
}

.btn-export:disabled,
.btn-generate:disabled,
.btn-extract:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── Carbon panel ────────────────────────────────────── */

.carbon-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-color);
}

.carbon-total-label {
  font-size: 11px;
  color: var(--text-secondary);
}

.carbon-total-value {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.stage-badge {
  display: inline-block;
  padding: 2px 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* ── Hatch panel ─────────────────────────────────────── */

.hatch-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
}

.hatch-notice {
  padding: 10px 14px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
}

.hatch-pattern-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  padding: 10px;
  border-bottom: 1px solid var(--border-color);
}

.hatch-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 8px 6px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-tertiary);
  cursor: pointer;
  transition: border-color 0.1s ease, background 0.1s ease;
  min-height: 60px;
}

.hatch-tile:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
}

.hatch-tile.selected {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  box-shadow: inset 0 0 0 1px var(--accent-primary);
}

.hatch-tile-symbol {
  font-size: 22px;
  line-height: 1;
  color: var(--text-primary);
  font-family: 'Courier New', monospace;
}

.hatch-tile-label {
  font-size: 10px;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.2;
  word-break: break-word;
}

.hatch-controls {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 14px;
}

.hatch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

.hatch-row label { flex: 1; }

.hatch-row input {
  width: 72px;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
}

.hatch-row input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.hatch-apply-btn {
  margin: 0 14px 12px;
}

.hatch-panel .btn-primary {
  margin: 8px 16px 16px;
  width: calc(100% - 32px);
}

/* ── Marketplace panel ───────────────────────────────── */

.marketplace-search {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: none;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  box-sizing: border-box;
}

.marketplace-search:focus {
  outline: none;
  background: var(--bg-elevated);
}

.marketplace-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

.marketplace-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
}

.marketplace-item:hover { background: var(--bg-elevated); }

.item-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.item-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}

.item-author {
  font-size: 11px;
  color: var(--text-muted);
}

.item-desc {
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-meta {
  font-size: 10px;
  color: var(--text-muted);
}

.installed-badge {
  padding: 3px 7px;
  background: color-mix(in srgb, var(--accent-primary) 12%, transparent);
  color: var(--accent-primary);
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── API Key panel ───────────────────────────────────── */

.api-keys-list { display: flex; flex-direction: column; padding: 4px 0; }

.api-key-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border-color);
  gap: 8px;
}

.api-key-row:hover { background: var(--bg-elevated); }

.key-info { display: flex; flex-direction: column; gap: 2px; min-width: 0; }

.key-name { font-size: 12px; font-weight: 600; color: var(--text-primary); }

.key-scopes { font-size: 10px; color: var(--text-muted); }

.key-created { font-size: 10px; color: var(--text-muted); }

.create-key-form {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.key-name-input,
.invite-email-input {
  width: 100%;
  padding: 6px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  box-sizing: border-box;
}

.key-name-input:focus,
.invite-email-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: var(--bg-elevated);
}

.scope-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.scope-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-secondary);
  cursor: pointer;
}

.scope-label input[type='checkbox'] { accent-color: var(--accent-primary); }

.create-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

.btn-cancel {
  padding: 4px 10px;
  font-size: 11px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: inherit;
}

.btn-cancel:hover { background: var(--bg-elevated); }

/* ── Permissions panel ───────────────────────────────── */

.members-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

.member-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border-color);
  gap: 8px;
}

.member-row:hover { background: var(--bg-elevated); }

.member-info { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }

.member-name { font-size: 12px; font-weight: 600; color: var(--text-primary); }

.member-email { font-size: 11px; color: var(--text-muted); }

.role-badge {
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
}

.role-badge.owner {
  background: color-mix(in srgb, var(--accent-primary) 12%, transparent);
  color: var(--accent-primary);
}

.role-select,
.invite-role-select {
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 11px;
  font-family: inherit;
  cursor: pointer;
}

.invite-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-top: 1px solid var(--border-color);
}

/* ── SSO Settings panel ──────────────────────────────── */

.sso-settings-panel { padding: 0; overflow-y: auto; }

.sso-field,
.saml-fields .sso-field,
.oidc-fields .sso-field {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border-color);
}

.saml-fields h4,
.oidc-fields h4 {
  padding: 8px 14px 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin: 0;
}

.sso-field label {
  font-size: 12px;
  color: var(--text-secondary);
  flex-shrink: 0;
  padding-top: 2px;
  min-width: 90px;
}

.sso-field input[type='text'],
.sso-field input[type='url'],
.sso-field input[type='password'],
.sso-field select,
.sso-field textarea {
  flex: 1;
  min-width: 0;
  padding: 5px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  resize: vertical;
}

.sso-field input:focus,
.sso-field select:focus,
.sso-field textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.sso-field input[type='checkbox'] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent-primary);
}

.sso-settings-panel .btn-save {
  margin: 12px 14px;
  width: calc(100% - 28px);
  padding: 7px 14px;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 600;
}

.sso-settings-panel .btn-save:hover {
  background: var(--accent-hover, #0b87df);
}

/* ── Spec Writing panel ──────────────────────────────── */

.spec-actions {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
}

.sheets-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

.room-data-sheet {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
}

.room-data-sheet:hover { background: var(--bg-elevated); }

.sheet-room-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.sheet-details { display: flex; flex-direction: column; gap: 3px; }

.sheet-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 4px 0;
  font-size: 12px;
}

.sheet-label {
  color: var(--text-muted);
  font-size: 11px;
  flex-shrink: 0;
}

/* ── Comments panel ──────────────────────────────────── */

.comment-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background: var(--accent-primary);
  color: white;
  border-radius: 9px;
  font-size: 10px;
  font-weight: 700;
}

.comments-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

.comment-item {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
}

.comment-item.resolved { opacity: 0.6; }

.comment-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.comment-author {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}

.comment-date {
  font-size: 10px;
  color: var(--text-muted);
  flex: 1;
}

.comment-badge {
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
}

.comment-badge.resolved {
  background: color-mix(in srgb, #27ae60 12%, transparent);
  color: #27ae60;
}

.comment-text {
  font-size: 12px;
  color: var(--text-primary);
  line-height: 1.5;
  margin: 0 0 6px;
}

.comment-actions { margin-bottom: 8px; }

.comment-replies {
  margin-top: 6px;
  padding: 6px 10px;
  background: var(--bg-elevated);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.reply-item {
  display: flex;
  gap: 6px;
  font-size: 11px;
}

.reply-author {
  font-weight: 600;
  color: var(--text-primary);
  flex-shrink: 0;
}

.reply-text { color: var(--text-secondary); }

.reply-input-row {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.reply-input,
.new-comment-input {
  flex: 1;
  padding: 5px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
}

.reply-input:focus,
.new-comment-input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.new-comment-row {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  border-top: 1px solid var(--border-color);
}

/* ── BCF panel ───────────────────────────────────────── */

.bcf-actions {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
}

.bcf-topics {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

.bcf-topic {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
}

.bcf-topic:hover { background: var(--bg-elevated); }

.topic-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.topic-status {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.topic-priority {
  font-size: 10px;
  color: var(--text-muted);
  margin-left: auto;
}

.topic-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  line-height: 1.4;
}

.topic-assigned {
  font-size: 11px;
  color: var(--text-secondary);
}

.topic-date {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Schedule panel ──────────────────────────────────── */

.schedule-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.schedule-label {
  font-size: 11px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.schedule-type-select {
  flex: 1;
  min-width: 80px;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
}

/* ── Sheet Layout panel ──────────────────────────────── */

.sheet-controls {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sheet-controls .sheet-row,
.sheet-title-block .sheet-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 4px 0;
  font-size: 12px;
  color: var(--text-secondary);
}

.sheet-controls .sheet-row label,
.sheet-title-block .sheet-row label {
  min-width: 80px;
  font-size: 11px;
}

.sheet-select {
  flex: 1;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
}

.sheet-title-block {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sheet-input {
  flex: 1;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
}

.sheet-input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.sheet-preview-wrapper {
  display: flex;
  justify-content: center;
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
}

.sheet-preview {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 2px;
  position: relative;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  overflow: hidden;
}

.sheet-actions {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
}

/* ── Sheet views picker (multi-view composition) ──────── */

.sheet-views-picker {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
}

.sheet-views-picker-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.sheet-views-empty {
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
}

.sheet-views-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sheet-views-list-item label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-primary);
  padding: 3px 0;
  cursor: pointer;
}

.sheet-views-list-item input[type='checkbox'] {
  accent-color: var(--accent-primary);
}

.sheet-views-list-type {
  margin-left: auto;
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* ── Clash Detection panel ───────────────────────────── */

.clash-detection-panel { padding: 0; }

.clash-detection-panel .panel-body { padding: 10px 14px; }

.clash-run-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  justify-content: center;
  margin-bottom: 12px;
}

.clash-results { margin-top: 8px; }

.clash-summary {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.clash-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.clash-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
}

.clash-item:hover { background: var(--bg-elevated); }

.clash-badge {
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
}

.badge-hard {
  background: color-mix(in srgb, #e74c3c 15%, transparent);
  color: #e74c3c;
}

.badge-soft {
  background: color-mix(in srgb, #f39c12 15%, transparent);
  color: #f39c12;
}

.clash-description {
  flex: 1;
  color: var(--text-primary);
}

.clash-location {
  font-size: 10px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

/* ── Photo to Model panel ────────────────────────────── */

.photo-instructions {
  padding: 10px 14px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
  border-bottom: 1px solid var(--border-color);
}

.photo-drop-zone {
  margin: 12px 14px;
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  min-height: 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.photo-drop-zone:hover {
  border-color: var(--accent-primary);
  background: color-mix(in srgb, var(--accent-primary) 5%, transparent);
}

.photo-preview {
  width: 100%;
  max-height: 140px;
  object-fit: contain;
}

.drop-hint {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

.photo-actions {
  display: flex;
  gap: 6px;
  padding: 0 14px 10px;
}

.photo-processing {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-size: 12px;
  color: var(--text-secondary);
}

.photo-results {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 14px;
}

.result-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  padding: 4px 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

/* ── Site Import panel ───────────────────────────────── */

.site-search-row {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
}

.site-search-input {
  flex: 1;
  padding: 6px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
}

.site-search-input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.site-source-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  height: 38px;
  border-bottom: 1px solid var(--border-color);
  font-size: 12px;
  color: var(--text-secondary);
  gap: 8px;
  flex-shrink: 0;
}

.site-source-row select {
  flex: 1;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
}

.site-source-row select:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.site-layers {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-shrink: 0;
}

.site-layers > label:first-child {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.layer-checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
}

.layer-checkbox-label input[type='checkbox'] {
  accent-color: var(--accent-primary);
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.site-radius-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  height: 38px;
  border-bottom: 1px solid var(--border-color);
  font-size: 12px;
  color: var(--text-secondary);
  gap: 8px;
  flex-shrink: 0;
}

.site-radius-row input[type='number'] {
  width: 72px;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  text-align: right;
}

.site-radius-row input[type='number']:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.btn-import-site {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 12px 14px;
  width: calc(100% - 28px);
  padding: 7px 14px;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.12s ease;
}

.btn-import-site:hover {
  background: var(--accent-secondary);
}

/* ── SpacePanel extra ────────────────────────────────── */

.space-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 14px;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
}

.space-row:hover { background: var(--bg-elevated); }

.space-row-info { display: flex; flex-direction: column; gap: 2px; }

.space-name { font-size: 12px; font-weight: 600; color: var(--text-primary); }

.space-area { font-size: 11px; color: var(--text-muted); }

.tool-panel-hint {
  font-size: 11px;
  color: var(--text-muted);
  padding: 4px 14px 8px;
  line-height: 1.4;
}

.tool-panel-input {
  flex: 1;
  min-width: 0;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
}

.tool-panel-input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.tool-panel-group-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  padding: 8px 14px 2px;
}

.compliance-warning {
  margin: 8px 14px;
  padding: 8px 10px;
  background: color-mix(in srgb, #f39c12 10%, transparent);
  border: 1px solid color-mix(in srgb, #f39c12 30%, transparent);
  border-radius: 5px;
  font-size: 11px;
  color: #f39c12;
  line-height: 1.4;
}

/* ── Material Library ────────────────────────────────── */

.material-library {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.material-library-controls {
  display: flex;
  gap: 6px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-color);
}

.material-search,
.symbol-search {
  flex: 1;
  min-width: 0;
  padding: 5px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
}

.material-search:focus,
.symbol-search:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: var(--bg-elevated);
}

.material-category-select {
  flex-shrink: 0;
  padding: 5px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  outline: none;
}

.material-category-select:focus,
.material-category-select:focus-visible {
  outline: none;
  box-shadow: none;
  border-color: var(--accent-primary);
}

.material-empty {
  padding: 24px 16px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

.material-grid {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

.material-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  transition: background 0.1s ease;
}

.material-card:hover {
  background: var(--bg-elevated);
}

.material-swatch {
  width: 48px;
  height: 48px;
  border-radius: 5px;
  border: 1px solid var(--border-color);
  flex-shrink: 0;
  /* Textures declare their own background via inline style; force the
     browser to rasterise the gradient on a dedicated layer so we don't
     lose the pattern to subpixel rounding at small sizes. */
  background-clip: padding-box;
  background-origin: padding-box;
  background-size: cover;
}

.material-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.material-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.material-category-tag {
  font-size: 10px;
  color: var(--accent-primary);
  font-weight: 500;
}

.material-roughness {
  font-size: 10px;
  color: var(--text-muted);
}

.material-cost {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.btn-select-material,
.btn-insert {
  padding: 4px 10px;
  font-size: 11px;
  font-family: inherit;
  border-radius: 5px;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.12s ease, border-color 0.12s ease;
}

.btn-select-material:hover,
.btn-insert:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.material-library-footer {
  padding: 8px 10px;
  border-top: 1px solid var(--border-color);
}

.material-library-footer .btn-secondary {
  width: 100%;
}

/* ── Symbol Library ──────────────────────────────────── */

.symbol-library {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.symbol-search {
  margin: 8px 10px;
  width: calc(100% - 20px);
  flex: none;
}

.symbol-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

.symbol-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
}

.symbol-item:hover {
  background: var(--bg-elevated);
}

.symbol-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.symbol-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}

.symbol-desc {
  font-size: 11px;
  color: var(--text-muted);
}

/* ── IFC Property Sets (PropertiesPanel) ─────────────── */

.pset-group {
  border-left: 2px solid var(--accent-primary);
  margin: 4px 0;
  padding-left: 8px;
}

.pset-name {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--accent-primary);
  padding: 4px 0 2px;
}

.pset-row {
  opacity: 0.9;
}

/* ── Properties empty state ──────────────────────────── */

.properties-content.empty,
.properties-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow-y: auto;
}

.properties-empty-hint {
  padding: 32px 16px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.6;
}

/* ── Error Boundary ──────────────────────────────────── */

.error-boundary-fallback {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  text-align: center;
  gap: 8px;
  height: 100%;
}

.error-boundary-icon {
  font-size: 28px;
  margin-bottom: 4px;
}

.error-boundary-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.error-boundary-message {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 220px;
}

.error-boundary-retry {
  margin-top: 8px;
  padding: 6px 14px;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.12s ease;
}

.error-boundary-retry:hover {
  background: var(--accent-secondary);
}

.panel-error {
  padding: 16px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

/* ── Presence Overlay ────────────────────────────────── */

.presence-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 100;
}

.collaborator-cursor {
  position: absolute;
}

.collaborator-label {
  position: absolute;
  top: 16px;
  left: 8px;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 11px;
  font-family: inherit;
  font-weight: 500;
  white-space: nowrap;
  color: #fff;
}

.collaborator-avatar {
  position: absolute;
  top: -18px;
  left: 8px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 600;
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.presence-avatar-bar {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 4px;
}

.presence-avatar-bar > div {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  border: 2px solid var(--bg-secondary);
}

/* ── Analysis panel roots ────────────────────────────── */

/* ShadowAnalysisPanel and WindAnalysisPanel share analysis-section / field-row styles */

.shadow-analysis-panel,
.wind-analysis-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
}

/* ── Mobile Viewer ───────────────────────────────────── */

.mobile-viewer {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--bg-secondary);
  font-family: inherit;
}

.mobile-header {
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.mobile-project-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.read-only-badge {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  background: var(--bg-elevated);
  color: var(--text-muted);
  padding: 2px 6px;
  border-radius: 3px;
  flex-shrink: 0;
}

.element-count {
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.mobile-view-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.mobile-view-tabs .tab-btn {
  flex: 1;
  padding: 8px;
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.1s, border-color 0.1s;
}

.mobile-view-tabs .tab-btn:hover {
  color: var(--text-primary);
}

.mobile-view-tabs .tab-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
  background: transparent;
}

.mobile-level-bar {
  padding: 4px 8px;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}

.mobile-level-bar .level-btn {
  padding: 2px 8px;
  font-size: 11px;
  font-family: inherit;
  border-radius: 3px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.1s, color 0.1s;
}

.mobile-level-bar .level-btn:hover {
  color: var(--text-primary);
}

.mobile-level-bar .level-btn.active {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
}

.mobile-viewport {
  flex: 1;
  position: relative;
  background: var(--bg-tertiary);
  overflow: hidden;
}

.mobile-zoom-controls {
  position: absolute;
  bottom: 16px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.btn-zoom-in,
.btn-zoom-out {
  width: 40px;
  height: 40px;
  font-size: 20px;
  font-family: inherit;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
  transition: background 0.1s;
}

.btn-zoom-in:hover,
.btn-zoom-out:hover {
  background: var(--bg-elevated);
}

/* ── API Key Panel additions ─────────────────────────── */

.btn-create-key {
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  font-family: inherit;
  background: var(--accent-primary);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.1s;
}

.btn-create-key:hover { opacity: 0.85; }

.btn-revoke {
  padding: 3px 8px;
  font-size: 11px;
  font-family: inherit;
  background: transparent;
  color: #e74c3c;
  border: 1px solid currentColor;
  border-radius: 4px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.1s;
}

.btn-revoke:hover {
  background: rgba(231, 76, 60, 0.08);
}

.key-prefix {
  font-size: 11px;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
}

.key-meta {
  font-size: 10px;
  color: var(--text-muted);
}

.keys-empty {
  padding: 24px 16px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

/* ── Auth Modal OAuth brand buttons ──────────────────── */

.btn-google {
  background: #fff;
  color: #3c4043;
  border: 1px solid #dadce0;
}

.btn-google:hover {
  background: #f8f9fa;
  border-color: #c6c8cb;
}

[data-theme='dark'] .btn-google {
  background: #3c4043;
  color: #e8eaed;
  border-color: #5f6368;
}

.btn-github {
  background: #24292e;
  color: #fff;
  border: 1px solid transparent;
}

.btn-github:hover {
  background: #1b1f23;
}

[data-theme='dark'] .btn-github {
  background: #444d56;
}

/* ── Spec Writing sheet sections ─────────────────────── */

.sheet-finishes,
.sheet-services {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: baseline;
  padding: 2px 0;
}

.sheet-finishes .sheet-label,
.sheet-services .sheet-label {
  flex: 0 0 auto;
  min-width: 60px;
}

.sheet-notes {
  padding: 2px 0;
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ── SpacePanel total ────────────────────────────────── */

.space-total {
  padding: 6px 8px 2px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  margin-top: 4px;
}

/* ── Spinner / loading states ────────────────────────── */

@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}

.viewport-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-size: 13px;
  color: var(--text-muted);
  background: var(--bg-tertiary);
}

/* ── SplitViewport ───────────────────────────────────── */

.split-viewport-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  overflow: hidden;
}

.viewport-pane {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

/* ── Section box overlay ─────────────────────────────── */

.section-box-overlay {
  position: absolute;
  bottom: 16px;
  left: 16px;
  width: 240px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  z-index: 20;
  overflow: hidden;
}

/* ── Project templates container (ImportExportModal) ──── */

.project-templates {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 4px 0;
}

/* ── Virtual Element List ────────────────────────────── */

.virtual-list {
  position: relative;
  overflow: hidden;
  width: 100%;
}

.virtual-list-spacer {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  pointer-events: none;
}

.virtual-list-content {
  position: relative;
}

.virtual-list-item {
  height: var(--item-height, 28px);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 8px;
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.08s;
}

.virtual-list-item:hover {
  background: var(--bg-elevated);
}

.item-type-badge {
  font-size: 10px;
  color: var(--text-muted);
  background: var(--bg-elevated);
  padding: 1px 4px;
  border-radius: 3px;
  flex-shrink: 0;
}

.item-label {
  font-size: 12px;
  color: var(--text-primary);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Toolbar (legacy component) ──────────────────────── */

.toolbar {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
  background: var(--bg-primary);
  height: 100%;
  overflow-y: auto;
}

.toolbar-section {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toolbar-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  padding: 4px 4px 2px;
}

.toolbar-tools {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.toolbar-button {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border: none;
  border-radius: 5px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
  text-align: left;
  transition: background 0.08s, color 0.08s;
}

.toolbar-button:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.toolbar-button.active {
  background: var(--bg-elevated);
  color: var(--accent-primary);
}

.tool-label {
  font-size: 12px;
  font-weight: 500;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   FEEDBACK WIDGET
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

.feedback-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: feedback-fade-in 0.12s ease-out;
}

@keyframes feedback-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.feedback-panel {
  width: min(520px, calc(100vw - 32px));
  max-height: calc(100vh - 64px);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.feedback-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
}

.feedback-panel__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.feedback-panel__close {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feedback-panel__close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.feedback-form {
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow-y: auto;
}

.feedback-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.feedback-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.feedback-select-wrapper {
  position: relative;
}

.feedback-select {
  width: 100%;
  height: 34px;
  padding: 0 32px 0 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  cursor: pointer;
  appearance: none;
}

.feedback-select:focus {
  border-color: var(--accent-primary);
}

.feedback-select-chevron {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.feedback-input,
.feedback-textarea {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  box-sizing: border-box;
}

.feedback-input:focus,
.feedback-textarea:focus {
  border-color: var(--accent-primary);
}

.feedback-textarea {
  min-height: 110px;
  resize: vertical;
}

.feedback-submit {
  align-self: flex-end;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--accent-primary);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.feedback-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.feedback-error {
  padding: 8px 12px;
  background: rgba(255, 90, 90, 0.12);
  border: 1px solid rgba(255, 90, 90, 0.4);
  color: #ff6a6a;
  border-radius: 6px;
  font-size: 12px;
}

.feedback-note {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
}

.feedback-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.feedback-badge--green { background: rgba(46, 204, 113, 0.15); color: #2ecc71; border: 1px solid rgba(46, 204, 113, 0.35); }

.feedback-badge--yellow { background: rgba(241, 196, 15, 0.15); color: #f1c40f; border: 1px solid rgba(241, 196, 15, 0.35); }

.feedback-badge--red { background: rgba(231, 76, 60, 0.15); color: #e74c3c; border: 1px solid rgba(231, 76, 60, 0.35); }

.feedback-badge--blue { background: rgba(13, 153, 255, 0.15); color: var(--accent-primary); border: 1px solid rgba(13, 153, 255, 0.35); }

.feedback-success {
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.feedback-success__icon { color: var(--accent-success, #2ecc71); }

.feedback-success__message { font-size: 14px; color: var(--text-primary); }

.feedback-result {
  padding: 12px 18px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.feedback-result__row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
}

.feedback-result__key { color: var(--text-muted); }

.feedback-issue-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.feedback-issue-link:hover { text-decoration: underline; }

.feedback-trigger {
  position: fixed;
  bottom: 16px;
  right: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--accent-primary);
  color: #fff;
  border: none;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  z-index: 900;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   DEV ROLE SWITCHER (bottom-right of status bar, DEV-only)
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

.role-switcher {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  height: 22px;
  font-size: 11px;
}

.role-switcher-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.role-switcher-select {
  height: 18px;
  padding: 0 18px 0 4px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 11px;
  font-family: inherit;
  cursor: pointer;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-muted) 50%),
                    linear-gradient(135deg, var(--text-muted) 50%, transparent 50%);
  background-position: calc(100% - 9px) 50%, calc(100% - 5px) 50%;
  background-size: 4px 4px, 4px 4px;
  background-repeat: no-repeat;
}

.role-switcher-select:focus {
  color: var(--accent-primary);
}

.role-switcher-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   CONFIRM MODAL (ConfirmModal component)
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.48);
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: modal-fade-in 0.12s ease-out;
}

@keyframes modal-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.4);
  max-width: calc(100vw - 32px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.confirm-modal {
  width: 400px;
  padding: 20px 22px 18px;
  gap: 18px;
}

.confirm-modal-message {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-primary);
}

.confirm-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.confirm-modal-actions .btn-secondary,
.confirm-modal-actions .btn-primary,
.confirm-modal-actions .btn-danger {
  min-width: 84px;
  height: 32px;
  padding: 0 14px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border-color);
  font-family: inherit;
}

.confirm-modal-actions .btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.confirm-modal-actions .btn-secondary:hover {
  background: var(--bg-elevated);
}

.confirm-modal-actions .btn-primary {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
}

.confirm-modal-actions .btn-primary:hover {
  filter: brightness(1.08);
}

.btn-danger {
  background: #e74c3c;
  color: #fff;
  border: 1px solid #c0392b;
  border-radius: 5px;
  padding: 0 14px;
  height: 32px;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}

.btn-danger:hover {
  filter: brightness(1.08);
}

.btn-danger:focus-visible,
.btn-danger:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* ────────────────────────────────────────────────────────────────────────
   Context menu — radial arc + secondary panel
   Restored from commit 9e1cb8c (regressed at some point). The classes are
   emitted by components/contextMenu/ContextMenu.tsx.
   ──────────────────────────────────────────────────────────────────────── */

.ctx-menu-root {
  position: fixed;
  inset: 0;
  z-index: 1099;
  pointer-events: none;
}

.ctx-menu-connector {
  stroke: var(--border-color);
  stroke-width: 1;
  opacity: 0.5;
}

.ctx-menu-origin {
  fill: var(--accent-primary);
  opacity: 0.9;
}

.ctx-radial-btn {
  pointer-events: all;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: 52px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  padding: 9px 6px 7px;
  cursor: pointer;
  font-family: inherit;
  box-shadow: var(--shadow-md);
  transition: background 0.12s, border-color 0.12s, color 0.12s, box-shadow 0.12s;
  animation: ctx-radial-pop 0.2s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.ctx-radial-btn:hover {
  background: var(--bg-secondary);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(24, 160, 251, 0.15), var(--shadow-md);
}

.ctx-radial-btn--danger:hover {
  border-color: var(--accent-danger);
  color: var(--accent-danger);
  box-shadow: 0 0 0 3px rgba(242, 72, 34, 0.12), var(--shadow-md);
}

.ctx-radial-label {
  font-size: 9px;
  font-weight: 500;
  color: inherit;
  line-height: 1;
  text-align: center;
  max-width: 48px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
}

@keyframes ctx-radial-pop {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.ctx-panel {
  pointer-events: all;
  min-width: 200px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  padding: 4px 0;
  overflow: hidden;
  animation: ctx-panel-fade 0.14s ease both;
}

@keyframes ctx-panel-fade {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.ctx-panel-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 7px 12px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 12px;
  text-align: left;
  cursor: pointer;
  transition: background 0.1s;
}

.ctx-panel-item:hover:not(.ctx-panel-item--disabled) {
  background: var(--bg-secondary);
}

.ctx-panel-item--danger { color: var(--accent-danger); }

.ctx-panel-item--danger:hover { background: rgba(242, 72, 34, 0.08); }

.ctx-panel-item--disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.ctx-panel-divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 3px 0;
}

.ctx-panel-item__icon {
  display: flex;
  align-items: center;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.ctx-panel-item__label { flex: 1; }

.ctx-panel-item__shortcut {
  font-size: 10px;
  color: var(--text-muted);
  font-family: monospace;
  background: var(--bg-tertiary);
  padding: 1px 5px;
  border-radius: 3px;
  flex-shrink: 0;
}

/* ────────────────────────────────────────────────────────────────────────
   HelpPanel + GuidedTour — added with #helptour
   ──────────────────────────────────────────────────────────────────────── */

.help-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 12, 20, 0.45);
  z-index: 1200;
  display: flex;
  justify-content: flex-end;
  animation: help-fade-in 0.18s ease both;
}

@keyframes help-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.help-panel {
  width: 420px;
  max-width: 100%;
  height: 100%;
  background: var(--bg-elevated, #1a1d24);
  color: var(--text-primary, #e6e6e6);
  border-left: 1px solid var(--border-color, #33343a);
  box-shadow: -8px 0 24px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  font-family: inherit;
  animation: help-slide 0.22s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes help-slide {
  from { transform: translateX(40px); opacity: 0; }
  to   { transform: translateX(0);     opacity: 1; }
}

.help-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color, #33343a);
}

.help-header h2 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.help-close {
  background: transparent;
  border: none;
  color: var(--text-secondary, #9aa0aa);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
}

.help-close:hover { background: var(--bg-secondary, #25262c); color: var(--text-primary, #e6e6e6); }

.help-tabs {
  display: flex;
  gap: 4px;
  padding: 0 18px;
  border-bottom: 1px solid var(--border-color, #33343a);
}

.help-tab {
  flex: 1;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary, #9aa0aa);
  padding: 10px 0;
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.12s, border-color 0.12s;
}

.help-tab:hover  { color: var(--text-primary, #e6e6e6); }

.help-tab.active { color: var(--accent-primary, #18a0fb); border-bottom-color: var(--accent-primary, #18a0fb); }

.help-tour-cta {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-color, #33343a);
}

.help-tour-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--accent-primary, #18a0fb), #5cc8ff);
  border: none;
  color: white;
  padding: 7px 12px;
  border-radius: 6px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.12s, filter 0.12s;
}

.help-tour-btn:hover { transform: translateY(-1px); filter: brightness(1.05); }

.help-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px 18px 24px;
}

.help-search {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  background: var(--bg-secondary, #25262c);
  border: 1px solid var(--border-color, #33343a);
  border-radius: 6px;
  margin-bottom: 14px;
}

.help-search input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary, #e6e6e6);
  outline: none;
  font-family: inherit;
  font-size: 12px;
}

.help-section { margin-bottom: 20px; }

.help-section h3 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary, #9aa0aa);
  margin: 0 0 8px;
}

.help-shortcut-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 6px 12px;
  font-size: 12px;
}

.help-shortcut-list li {
  display: contents;
}

.help-shortcut-list kbd {
  background: var(--bg-tertiary, #2d2f37);
  border: 1px solid var(--border-color, #33343a);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  color: var(--text-primary, #e6e6e6);
  align-self: center;
  text-align: center;
  white-space: nowrap;
}

.help-shortcut-list span {
  color: var(--text-secondary, #b8bcc4);
  align-self: center;
}

.help-steps {
  margin: 0;
  padding-left: 18px;
  font-size: 12px;
  color: var(--text-secondary, #b8bcc4);
  line-height: 1.55;
}

.help-steps li { margin-bottom: 4px; }

.help-tips {
  list-style: none;
  margin: 0;
  padding: 0;
}

.help-tips li {
  padding: 12px 14px;
  background: var(--bg-secondary, #25262c);
  border: 1px solid var(--border-color, #33343a);
  border-radius: 8px;
  margin-bottom: 10px;
}

.help-tips strong {
  display: block;
  color: var(--accent-primary, #18a0fb);
  font-size: 12px;
  margin-bottom: 4px;
}

.help-tips p {
  margin: 0;
  font-size: 12px;
  color: var(--text-secondary, #b8bcc4);
  line-height: 1.5;
}

.help-empty {
  font-size: 12px;
  color: var(--text-muted, #7a7f87);
  font-style: italic;
}

.help-footer {
  padding: 10px 18px;
  border-top: 1px solid var(--border-color, #33343a);
  font-size: 11px;
  color: var(--text-secondary, #9aa0aa);
}

.help-footer a {
  color: var(--accent-primary, #18a0fb);
  text-decoration: none;
}

.help-footer a:hover { text-decoration: underline; }

/* ── Guided tour ─────────────────────────────────────────────── */

.tour-root {
  position: fixed;
  inset: 0;
  z-index: 1300;
  pointer-events: none;
}

.tour-mask {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.tour-spotlight-stroke {
  animation: tour-pulse 1.6s ease-in-out infinite;
}

@keyframes tour-pulse {
  0%, 100% { opacity: 0.9; }
  50%      { opacity: 0.4; }
}

.tour-tooltip {
  position: absolute;
  background: var(--bg-elevated, #1a1d24);
  color: var(--text-primary, #e6e6e6);
  border: 1px solid var(--border-color, #33343a);
  border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  padding: 14px 16px 12px;
  pointer-events: auto;
  width: 320px;
  font-family: inherit;
  animation: tour-pop 0.2s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes tour-pop {
  from { transform: scale(0.94); opacity: 0; }
  to   { transform: scale(1);     opacity: 1; }
}

.tour-tooltip-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.tour-step-counter {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted, #7a7f87);
}

.tour-close {
  background: none;
  border: none;
  color: var(--text-secondary, #9aa0aa);
  cursor: pointer;
  padding: 2px;
  border-radius: 3px;
}

.tour-close:hover { color: var(--text-primary, #e6e6e6); }

.tour-title {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary, #e6e6e6);
}

.tour-body {
  margin: 0 0 14px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-secondary, #b8bcc4);
}

.tour-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tour-skip {
  background: none;
  border: none;
  color: var(--text-secondary, #9aa0aa);
  font-family: inherit;
  font-size: 11px;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 4px;
}

.tour-skip:hover { background: var(--bg-secondary, #25262c); color: var(--text-primary, #e6e6e6); }

.tour-progress {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: 4px;
}

.tour-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--bg-tertiary, #2d2f37);
}

.tour-dot.done   { background: var(--text-secondary, #9aa0aa); }

.tour-dot.active { background: var(--accent-primary, #18a0fb); width: 16px; border-radius: 4px; }

.tour-next {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--accent-primary, #18a0fb);
  color: white;
  border: none;
  padding: 7px 12px;
  border-radius: 6px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.12s;
}

.tour-next:hover { filter: brightness(1.08); }

/* ════════════════════════════════════════════════════════════════════════ */

/* Panel styling pass — Compliance, Section View, Material status,          */

/* Marketplace (2026-04-21)                                                 */

/* ════════════════════════════════════════════════════════════════════════ */

/* ── Shared panel primitives (used by Section View + others) ───────────── */

.panel-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 24px;
}

.panel-row label,
.panel-label {
  font-size: 11px;
  color: var(--text-secondary);
  flex: 1;
  min-width: 0;
}

.panel-value {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

/* Number inputs + range sliders inside panel rows */

.panel-row input[type='number'] {
  width: 80px;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
}

.panel-row input[type='number']:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.panel-row input[type='range'] {
  flex: 1;
  accent-color: var(--accent-primary);
  max-width: 160px;
}

.panel-row input[type='checkbox'] {
  accent-color: var(--accent-primary);
}

/* ── Section View panel ────────────────────────────────────────────────── */

.section-box-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.axis-selector {
  display: inline-flex;
  gap: 2px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  padding: 2px;
}

.axis-btn {
  padding: 3px 12px;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
}

.axis-btn:hover {
  color: var(--text-primary);
}

.axis-btn.active {
  background: var(--accent-primary);
  color: white;
}

.section-box-enhanced {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.section-box-enhanced .panel-row label {
  font-variant-numeric: tabular-nums;
}

.section-box-actions {
  gap: 8px;
  margin-top: 4px;
}

.section-box-actions .btn-secondary {
  flex: 1;
}

/* ── Compliance panel ──────────────────────────────────────────────────── */

.compliance-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
}

.compliance-run-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  margin-bottom: 4px;
}

.compliance-empty {
  padding: 24px 16px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
}

.compliance-results {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.compliance-summary {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 10px;
  background: var(--bg-secondary);
  border-radius: 4px;
}

.compliance-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.compliance-group-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-muted);
  margin: 4px 0 2px;
}

.compliance-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.compliance-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--text-muted);
  border-radius: 5px;
}

.compliance-item.compliance-error {
  border-left-color: #e74c3c;
}

.compliance-item.compliance-warning {
  border-left-color: #f39c12;
}

.compliance-item-header {
  display: flex;
  align-items: center;
  gap: 8px;
}

.compliance-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.4px;
  padding: 2px 6px;
  border-radius: 3px;
  color: white;
}

.compliance-badge.badge-error {
  background: #e74c3c;
}

.compliance-badge.badge-warning {
  background: #f39c12;
}

.compliance-section {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.compliance-description {
  margin: 0;
  font-size: 12px;
  color: var(--text-primary);
  line-height: 1.4;
  word-break: break-word;
}

.compliance-item-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.compliance-fix-hint {
  font-size: 11px;
  color: var(--text-secondary);
  font-style: italic;
  flex: 1;
  line-height: 1.4;
}

.compliance-apply-fix-btn {
  flex-shrink: 0;
  font-size: 11px;
  padding: 4px 10px;
}

/* ── Material Library — status messages + active-card styling ──────────── */

.material-selection-status {
  padding: 8px 12px;
  font-size: 11px;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  line-height: 1.4;
}

.material-status-hint {
  color: var(--text-muted);
}

.material-status-success {
  color: #27ae60;
  font-weight: 500;
}

.material-status-ready {
  color: var(--text-primary);
}

.material-status-ready strong {
  color: var(--accent-primary);
}

.material-card--active {
  background: var(--bg-elevated);
  box-shadow: inset 3px 0 0 var(--accent-primary);
}

.btn-select-material.applied {
  color: #27ae60;
  border-color: #27ae60;
  background: transparent;
}

/* ── Marketplace panel — sections, skeletons, badges, install button ──── */

.marketplace-section {
  padding: 8px 0 10px;
  border-bottom: 1px solid var(--border-color);
}

.marketplace-section .section-title,
.marketplace-panel .section-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-muted);
  padding: 6px 14px;
  margin: 0;
}

.marketplace-error {
  padding: 12px 14px;
  font-size: 12px;
  color: var(--text-primary);
  background: var(--bg-secondary);
  border-left: 3px solid #e74c3c;
  margin: 8px 10px;
  border-radius: 4px;
  line-height: 1.4;
}

.marketplace-notice {
  padding: 8px 12px;
  margin: 6px 10px 10px;
  font-size: 11px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.marketplace-notice-text {
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.btn-retry {
  margin-top: 6px;
  padding: 4px 10px;
  font-size: 11px;
  font-family: inherit;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  cursor: pointer;
}

.btn-retry:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* Item actions column + install button */

.marketplace-item .item-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}

.marketplace-item .item-desc {
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
  word-break: break-word;
  line-height: 1.4;
}

.marketplace-item .item-meta {
  font-size: 10px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.marketplace-item.installed {
  opacity: 0.85;
}

.installed-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  color: #27ae60;
  background: transparent;
  border: 1px solid #27ae60;
  border-radius: 3px;
  letter-spacing: 0.3px;
}

.btn-install {
  padding: 4px 12px;
  font-size: 11px;
  font-family: inherit;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
  transition: filter 0.12s;
}

.btn-install:hover {
  filter: brightness(1.08);
}

.btn-install:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-uninstall {
  padding: 4px 12px;
  font-size: 11px;
  font-family: inherit;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
  transition: color 0.12s, border-color 0.12s, background 0.12s;
}

.btn-uninstall:hover {
  color: #e74c3c;
  border-color: #e74c3c;
  background: rgba(231, 76, 60, 0.08);
}

.btn-uninstall:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Plugin consent modal (install-time permission prompt) */

.plugin-consent-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.plugin-consent-modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  box-shadow: var(--shadow-lg, 0 20px 40px rgba(0, 0, 0, 0.35));
  width: min(480px, calc(100vw - 48px));
  max-height: calc(100vh - 96px);
  overflow-y: auto;
  padding: 24px;
  color: var(--text-primary);
}

.plugin-consent-header {
  margin-bottom: 14px;
}

.plugin-consent-title {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 600;
}

.plugin-consent-meta {
  font-size: 12px;
  color: var(--text-secondary);
}

.plugin-consent-intro {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

.plugin-consent-noperm {
  margin: 0 0 20px;
  font-size: 13px;
  color: var(--text-secondary);
  font-style: italic;
}

.plugin-consent-perms {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.plugin-consent-perm {
  padding: 10px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.plugin-consent-perm-title {
  font-weight: 500;
  font-size: 13px;
}

.plugin-consent-perm-detail {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.plugin-consent-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}

.plugin-consent-cancel {
  padding: 6px 14px;
  font-size: 12px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  cursor: pointer;
}

.plugin-consent-cancel:hover {
  background: var(--bg-tertiary);
}

.plugin-consent-accept {
  padding: 6px 14px;
  font-size: 12px;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
}

.plugin-consent-accept:hover {
  filter: brightness(1.08);
}

.plugin-consent-accept:disabled,
.plugin-consent-cancel:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Report modal fields */

.plugin-report-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.plugin-report-label {
  font-size: 12px;
  color: var(--text-secondary);
}

.plugin-report-select,
.plugin-report-textarea {
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  width: 100%;
}

.plugin-report-textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.4;
}

.plugin-report-error {
  padding: 8px 10px;
  font-size: 12px;
  background: rgba(231, 76, 60, 0.1);
  border-left: 3px solid #e74c3c;
  border-radius: 4px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

/* Update and Report buttons in the Available list */

.btn-update {
  padding: 4px 12px;
  font-size: 11px;
  font-family: inherit;
  background: #f59e0b;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
  transition: filter 0.12s;
}

.btn-update:hover {
  filter: brightness(1.08);
}

.btn-update:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-report {
  padding: 4px 10px;
  font-size: 11px;
  font-family: inherit;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--text-secondary);
  cursor: pointer;
}

.btn-report:hover {
  color: #e74c3c;
  background: rgba(231, 76, 60, 0.08);
}

/* Read-only subscription banner */

.readonly-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 18px;
  background: #fef3c7;
  color: #92400e;
  border-bottom: 1px solid #fbbf24;
  font-size: 13px;
}

[data-theme='dark'] .readonly-banner {
  background: rgba(251, 191, 36, 0.12);
  color: #fcd34d;
  border-bottom-color: rgba(251, 191, 36, 0.35);
}

.readonly-banner-text {
  line-height: 1.4;
}

.readonly-banner-actions {
  flex-shrink: 0;
}

.readonly-banner-cta {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  background: #f59e0b;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: filter 0.12s;
}

.readonly-banner-cta:hover {
  filter: brightness(1.08);
}

.readonly-banner-cta:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.readonly-banner-error {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  font-size: 11px;
  background: rgba(231, 76, 60, 0.18);
  color: #b91c1c;
  border-radius: 3px;
}

/* Language selector in the status bar */

.language-selector {
  font-size: 11px;
  font-family: inherit;
  padding: 2px 6px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  cursor: pointer;
}

.language-selector:hover {
  border-color: var(--accent-primary, #3b82f6);
  color: var(--text-primary);
}

/* Full language-settings panel (Settings > Language) */

.language-settings-panel {
  padding: 20px 24px;
  max-width: 640px;
}

.language-settings-header {
  display: flex;
  gap: 14px;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.language-settings-header > svg:first-child {
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--text-secondary);
}

.language-settings-title {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
}

.language-settings-hint {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.language-settings-clear {
  padding: 4px 10px;
  font-size: 12px;
  font-family: inherit;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  cursor: pointer;
}

.language-settings-clear:hover {
  border-color: var(--accent-primary, #3b82f6);
  color: var(--accent-primary, #3b82f6);
}

.language-settings-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.language-settings-row {
  width: 100%;
  display: grid;
  grid-template-columns: 20px 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  text-align: left;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
}

.language-settings-row:hover {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

.language-settings-row.is-active {
  background: var(--bg-secondary);
  border-color: var(--accent-primary, #3b82f6);
}

.language-settings-check {
  color: var(--accent-primary, #3b82f6);
  display: inline-flex;
  justify-content: center;
}

.language-settings-native {
  font-weight: 500;
}

.language-settings-label {
  font-size: 12px;
  color: var(--text-secondary);
}

.language-settings-system {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: 10px;
}

/* Rendering panel (photoreal) — uses shared .panel-header / .analysis-section
   / .field-row style so sections sit flush against the right-panel edges
   and the horizontal rules run full-width, matching every other panel. */

.rendering-panel {
  display: flex;
  flex-direction: column;
  color: var(--text-primary);
}

/* Scoped .field-row overrides so our selects don't truncate values like
   "Preview · 16 spp" at the default 90px width, and selects pick up a
   consistent custom chevron so they match adjacent inputs. */

.rendering-panel .field-row input,
.rendering-panel .field-row select {
  width: 150px;
  text-align: left;
  background: var(--bg-tertiary);
}

.rendering-panel .field-row input[type='number'] {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.rendering-panel .field-row select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 22px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' fill='none' stroke='%23808080' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 10px 6px;
}

.rendering-panel .field-row .field-value {
  font-variant-numeric: tabular-nums;
}

.rendering-unavailable {
  padding: 12px;
  font-size: 12px;
  line-height: 1.5;
  background: var(--bg-secondary);
  border-left: 3px solid #f59e0b;
  border-radius: 4px;
  color: var(--text-primary);
}

.rendering-unavailable code {
  font-family: ui-monospace, monospace;
  background: var(--bg-tertiary);
  padding: 1px 5px;
  border-radius: 3px;
}

.rendering-presets {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.rendering-preset {
  display: flex;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
}

.rendering-preset:hover {
  background: var(--bg-secondary);
}

.rendering-preset.active {
  border-color: var(--accent-primary, #3b82f6);
  background: var(--bg-secondary);
}

.rendering-preset input[type="radio"] {
  margin-top: 4px;
  accent-color: var(--accent-primary, #3b82f6);
}

.rendering-preset-label {
  font-weight: 500;
  font-size: 13px;
}

.rendering-preset-samples {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.rendering-preset-description {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-top: 4px;
}

.rendering-progress {
  position: relative;
  height: 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
}

.rendering-progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: var(--accent-primary, #3b82f6);
  transition: width 0.2s;
}

.rendering-progress-label {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
}

.rendering-error {
  padding: 8px 10px;
  font-size: 12px;
  background: rgba(231, 76, 60, 0.1);
  border-left: 3px solid #e74c3c;
  border-radius: 4px;
  color: var(--text-primary);
}

.rendering-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

[data-theme='dark'] .readonly-banner-error {
  background: rgba(231, 76, 60, 0.22);
  color: #fca5a5;
}

.billing-empty-text {
  font-size: 12px;
  color: var(--text-secondary);
  font-style: italic;
}

/* Publisher / admin panel */

.publisher-panel {
  padding: 8px 12px 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.publisher-loading {
  padding: 16px;
  font-size: 12px;
  color: var(--text-secondary);
}

.publisher-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

.publisher-intro {
  margin: 0 0 4px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.publisher-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.publisher-field > span {
  font-size: 11px;
  color: var(--text-secondary);
}

.publisher-field input[type="text"],
.publisher-field input[type="email"],
.publisher-field input[type="number"],
.publisher-field select,
.publisher-field textarea {
  padding: 6px 8px;
  font-size: 12px;
  font-family: inherit;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
}

.publisher-field textarea {
  resize: vertical;
  min-height: 60px;
  line-height: 1.4;
}

.publisher-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

.publisher-perms {
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 8px 12px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.publisher-perms legend {
  padding: 0 4px;
  font-size: 11px;
  color: var(--text-secondary);
}

.publisher-perm-check {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
}

.publisher-error,
.publisher-success {
  padding: 8px 10px;
  font-size: 12px;
  border-radius: 4px;
  line-height: 1.4;
}

.publisher-error {
  background: rgba(231, 76, 60, 0.1);
  border-left: 3px solid #e74c3c;
  color: var(--text-primary);
}

.publisher-success {
  background: rgba(46, 204, 113, 0.1);
  border-left: 3px solid #2ecc71;
  color: var(--text-primary);
}

.publisher-stripe-notice {
  padding: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 12px;
  color: var(--text-primary);
}

.publisher-queue {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.plugin-icon {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  margin-right: 6px;
  vertical-align: middle;
}

/* Skeleton loading state */

.marketplace-item.skeleton {
  pointer-events: none;
}

.skeleton-line {
  display: block;
  height: 10px;
  margin: 4px 0;
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 0%,
    var(--bg-elevated) 50%,
    var(--bg-tertiary) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s ease-in-out infinite;
  border-radius: 3px;
}

.skeleton-name { width: 60%; height: 12px; }

.skeleton-desc { width: 90%; }

.skeleton-meta { width: 40%; height: 9px; }

@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ════════════════════════════════════════════════════════════════════════ */

/* Settings > Billing panel (entire CSS was missing)                         */

/* ════════════════════════════════════════════════════════════════════════ */

.billing-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.billing-loading-text {
  padding: 20px;
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
}

.billing-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.billing-section-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin: 0;
}

/* Plan badge + trial countdown */

.billing-plan-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.billing-plan-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 4px;
  letter-spacing: 0.3px;
}

.billing-plan-badge--free {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.billing-plan-badge--trial {
  background: rgba(243, 156, 18, 0.12);
  color: #f39c12;
  border: 1px solid rgba(243, 156, 18, 0.4);
}

.billing-plan-badge--pro {
  background: rgba(24, 160, 251, 0.12);
  color: var(--accent-primary);
  border: 1px solid rgba(24, 160, 251, 0.4);
}

.billing-plan-badge--business {
  background: rgba(155, 89, 182, 0.12);
  color: #9b59b6;
  border: 1px solid rgba(155, 89, 182, 0.4);
}

.billing-trial-countdown {
  font-size: 12px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.billing-upgrade-btn {
  align-self: flex-start;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  padding: 8px 16px;
  cursor: pointer;
  transition: filter 0.12s;
}

.billing-upgrade-btn:hover {
  filter: brightness(1.08);
}

/* Invoice history table */

.billing-invoice-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  color: var(--text-primary);
}

.billing-invoice-table th {
  text-align: left;
  padding: 8px 10px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.billing-invoice-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-color);
  font-variant-numeric: tabular-nums;
}

.billing-invoice-table tr:last-child td {
  border-bottom: none;
}

.invoice-status {
  display: inline-block;
  padding: 2px 8px;
  font-size: 10px;
  font-weight: 600;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.invoice-status--paid {
  background: rgba(39, 174, 96, 0.12);
  color: #27ae60;
  border: 1px solid rgba(39, 174, 96, 0.35);
}

.invoice-status--pending {
  background: rgba(243, 156, 18, 0.12);
  color: #f39c12;
  border: 1px solid rgba(243, 156, 18, 0.35);
}

.invoice-status--failed {
  background: rgba(231, 76, 60, 0.12);
  color: #e74c3c;
  border: 1px solid rgba(231, 76, 60, 0.35);
}

.invoice-pdf-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
}

.invoice-pdf-link:hover {
  text-decoration: underline;
}

/* Cancel subscription section */

.billing-cancel-description {
  margin: 0;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.billing-cancel-btn {
  align-self: flex-start;
  background: transparent;
  color: #e74c3c;
  border: 1px solid rgba(231, 76, 60, 0.4);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  padding: 6px 12px;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
}

.billing-cancel-btn:hover {
  background: rgba(231, 76, 60, 0.08);
  border-color: #e74c3c;
}

/* Cancel confirmation dialog */

.billing-cancel-dialog-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1100;
}

.billing-cancel-dialog {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
  width: 380px;
  max-width: 90vw;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow-lg);
}

.billing-cancel-dialog-title {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.billing-cancel-dialog-body {
  margin: 0;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.billing-cancel-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}

.billing-cancel-confirm-yes {
  background: #e74c3c;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  padding: 6px 14px;
  cursor: pointer;
}

.billing-cancel-confirm-yes:hover { filter: brightness(1.08); }

.billing-cancel-confirm-no {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 12px;
  font-family: inherit;
  padding: 6px 14px;
  cursor: pointer;
}

.billing-cancel-confirm-no:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
}

/* ════════════════════════════════════════════════════════════════════════ */

/* Review / ObjectLibrary / Sheet / Materials / VersionHistory / Admin /     */

/* MFASettings panels — full CSS pass                                        */

/* ════════════════════════════════════════════════════════════════════════ */

/* ── Review panel ─────────────────────────────────────────────────────── */

.review-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
}

.review-body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.review-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

.review-hint {
  margin: 0;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.review-status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
}

.review-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.review-status-dot--pending { background: #f39c12; }

.review-status-dot--changes { background: #e74c3c; }

.review-reviewer-list {
  border-top: 1px solid var(--border-color);
  padding-top: 10px;
}

.review-reviewers-label {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-muted);
}

.review-reviewer-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.review-reviewer-list li {
  font-size: 12px;
  color: var(--text-secondary);
  padding: 3px 0;
}

.review-comment-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
}

.review-comment-textarea {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  line-height: 1.5;
  resize: vertical;
  box-sizing: border-box;
}

.review-comment-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.review-actions {
  display: flex;
  gap: 8px;
}

.btn-review {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  border-radius: 5px;
  cursor: pointer;
  transition: filter 0.12s, background 0.12s;
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  flex: 1;
}

.btn-request-review {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

.btn-request-review:hover { filter: brightness(1.08); }

.btn-approve {
  background: #22c55e;
  color: white;
  border-color: #22c55e;
}

.btn-approve:hover { filter: brightness(1.08); }

.btn-request-changes {
  background: transparent;
  color: #e74c3c;
  border-color: rgba(231, 76, 60, 0.5);
}

.btn-request-changes:hover {
  background: rgba(231, 76, 60, 0.08);
  border-color: #e74c3c;
}

.btn-new-review:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* ── Object Library panel ─────────────────────────────────────────────── */

.object-library-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.object-library-controls {
  display: flex;
  gap: 6px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-color);
}

.object-library-search {
  flex: 1;
  min-width: 0;
  padding: 5px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
}

.object-library-search:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.object-library-category-select {
  flex-shrink: 0;
  padding: 5px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
}

.object-library-empty {
  padding: 24px 16px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

.object-library-grid {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

.object-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
}

.object-card:hover { background: var(--bg-elevated); }

.object-card-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  flex-shrink: 0;
}

.object-card-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.object-card-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.object-card-sub {
  font-size: 10px;
  color: var(--accent-primary);
  font-weight: 500;
}

.object-card-dims {
  font-size: 10px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.btn-place-object {
  padding: 4px 10px;
  font-size: 11px;
  font-family: inherit;
  border-radius: 5px;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-place-object:hover:not(:disabled) {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.btn-place-object:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Sheet panel / Sheet manager ─────────────────────────────────────── */

.sheet-manager,
.sheet-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
}

.sheet-manager-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
}

.sheet-list {
  list-style: none;
  margin: 0;
  padding: 4px 0;
  border-bottom: 1px solid var(--border-color);
}

.sheet-list-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 14px;
  cursor: pointer;
  border-left: 3px solid transparent;
}

.sheet-list-item:hover {
  background: var(--bg-elevated);
}

.sheet-list-item.selected {
  background: var(--bg-elevated);
  border-left-color: var(--accent-primary);
}

.sheet-list-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}

.sheet-list-meta {
  font-size: 10px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.sheet-properties {
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sheet-prop-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
}

.sheet-prop-row label {
  color: var(--text-secondary);
  flex: 1;
}

.sheet-prop-row input,
.sheet-prop-row select {
  width: 120px;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
}

.sheet-prop-row input:focus,
.sheet-prop-row select:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.sheet-controls {
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
}

.sheet-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
}

.sheet-row label { flex: 1; color: var(--text-secondary); }

.sheet-select {
  width: 120px;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
}

/* ── Materials panel (in right-panel tab) ─────────────────────────────── */

.materials-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
}

.materials-search {
  margin: 8px 10px;
  padding: 5px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
}

.materials-search:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.materials-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

.materials-group {
  margin-bottom: 8px;
}

.materials-category-heading {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-muted);
  padding: 8px 14px 4px;
  margin: 0;
}

.material-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  cursor: pointer;
  border-left: 3px solid transparent;
}

.material-item:hover {
  background: var(--bg-elevated);
}

.material-item--selected {
  background: var(--bg-elevated);
  border-left-color: var(--accent-primary);
}

.material-detail {
  padding: 10px 14px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

/* ── Version History panel ────────────────────────────────────────────── */

.version-history-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
}

.version-create {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
}

.version-message-input {
  flex: 1;
  min-width: 0;
  padding: 5px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
}

.version-message-input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.btn-create-version {
  padding: 4px 10px;
  font-size: 11px;
  font-family: inherit;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  font-weight: 500;
}

.btn-create-version:hover { filter: brightness(1.08); }

.version-empty {
  padding: 24px 16px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
  margin: 0;
}

.version-list {
  list-style: none;
  margin: 0;
  padding: 4px 0;
}

.version-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
}

.version-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.version-number {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-primary);
  font-variant-numeric: tabular-nums;
}

.version-time {
  font-size: 10px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.version-msg {
  margin: 0;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.btn-restore-version {
  align-self: flex-start;
  margin-top: 2px;
  padding: 3px 10px;
  font-size: 11px;
  font-family: inherit;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  cursor: pointer;
}

.btn-restore-version:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.change-history-list {
  list-style: none;
  margin: 0;
  padding: 4px 0;
}

.change-record-item {
  padding: 6px 14px;
  font-size: 11px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
}

.change-time {
  color: var(--text-muted);
  margin-right: 4px;
}

.change-element-type {
  color: var(--accent-primary);
  font-weight: 500;
}

.change-element-id {
  color: var(--text-muted);
  font-size: 10px;
  margin-left: 4px;
}

/* ── Admin panel (project members table) ──────────────────────────────── */

.admin-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
  padding: 0 0 10px;
}

.admin-empty-state {
  padding: 24px 16px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  margin: 0;
}

.admin-panel .members-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  color: var(--text-primary);
  margin-top: 8px;
}

.admin-panel .members-table th {
  text-align: left;
  padding: 8px 12px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.admin-panel .members-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.admin-panel .member-current-role {
  font-size: 11px;
  color: var(--text-secondary);
  padding: 2px 8px;
  border-radius: 3px;
  background: var(--bg-tertiary);
  display: inline-block;
}

.save-role-btn {
  padding: 3px 10px;
  font-size: 11px;
  font-family: inherit;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  margin-left: 6px;
  font-weight: 500;
}

.save-role-btn:hover { filter: brightness(1.08); }

.save-role-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── MFA Settings panel ───────────────────────────────────────────────── */

.mfa-settings-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 0;
}

.mfa-instructions {
  margin: 0;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.btn-mfa-setup,
.btn-mfa-confirm {
  align-self: flex-start;
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: filter 0.12s;
}

.btn-mfa-setup:hover,
.btn-mfa-confirm:hover { filter: brightness(1.08); }

.mfa-confirm-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mfa-confirm-form .form-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mfa-confirm-form .form-field label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
}

.mfa-confirm-form .form-field input {
  padding: 6px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  font-variant-numeric: tabular-nums;
  letter-spacing: 2px;
}

.mfa-confirm-form .form-field input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

/* Auth message banners (shared by MFA + other auth flows) */

.auth-msg {
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 12px;
  line-height: 1.4;
}

.auth-msg--error {
  background: rgba(231, 76, 60, 0.12);
  color: #e74c3c;
  border: 1px solid rgba(231, 76, 60, 0.35);
}

.auth-msg--success {
  background: rgba(39, 174, 96, 0.12);
  color: #27ae60;
  border: 1px solid rgba(39, 174, 96, 0.35);
}

/* ── Schedule QuantityTab fallback ─────────────────────────────────────── */

.quantity-tab {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
}

.quantity-empty {
  padding: 24px 16px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

.quantity-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.quantity-table th {
  text-align: left;
  padding: 8px 10px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
  position: sticky;
  top: 0;
}

.quantity-table td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border-color);
  font-variant-numeric: tabular-nums;
}

/* ── Remote cursors overlay (real-time presence) ───────────────────────── */

.remote-cursors {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 60;
  overflow: hidden;
}

.remote-cursor {
  position: absolute;
  top: 0;
  left: 0;
  will-change: transform;
  transition: transform 80ms linear;
}

.remote-cursor-arrow {
  display: block;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.4));
}

.remote-cursor-label {
  position: absolute;
  top: 18px;
  left: 16px;
  padding: 2px 6px;
  font-size: 10px;
  font-weight: 600;
  color: white;
  border-radius: 3px;
  white-space: nowrap;
  letter-spacing: 0.2px;
  font-variant-numeric: tabular-nums;
}

/* ── Section-view cut overlay (3D viewport, section mode) ──────────────── */

.section-cut-overlay {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  z-index: 10;
  background: var(--bg-elevated, rgba(20, 20, 30, 0.92));
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(6px);
}

.section-cut-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.section-cut-axis {
  display: inline-flex;
  gap: 2px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  padding: 2px;
}

.section-cut-axis-btn {
  padding: 3px 12px;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
  font-family: inherit;
  letter-spacing: 0.4px;
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
  min-width: 28px;
}

.section-cut-axis-btn:hover { color: var(--text-primary); }

.section-cut-axis-btn.active {
  background: var(--accent-primary);
  color: white;
}

.section-cut-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.section-cut-value {
  margin-left: auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  min-width: 72px;
  text-align: right;
}

.section-cut-slider {
  width: 100%;
  accent-color: var(--accent-primary);
  cursor: pointer;
  margin: 0;
}

.section-cut-hint {
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.3;
  text-align: center;
  letter-spacing: 0.1px;
}

/* Plugin toasts — transient messages surfaced via ui.showNotification. */

.plugin-toast-stack {
  position: fixed;
  bottom: 48px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 9999;
  pointer-events: none;
}

.plugin-toast {
  background: var(--bg-elevated, #1e1e22);
  color: var(--text-primary, #fff);
  border: 1px solid var(--border-color, #303038);
  border-left: 3px solid var(--accent-primary, #4f46e5);
  padding: 8px 12px;
  border-radius: 4px;
  min-width: 220px;
  max-width: 360px;
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  pointer-events: auto;
}

.plugin-toast--success { border-left-color: #4ade80; }

.plugin-toast--error   { border-left-color: #f87171; }

.plugin-toast-source {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.65;
}

.plugin-toast-msg { line-height: 1.35; }

/* Plugin commands menu — bottom-right fixed pill + dropdown. */

.plugin-menu-root {
  position: fixed;
  bottom: 12px;
  right: 12px;
  z-index: 9998;
}

.plugin-menu-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  cursor: pointer;
}

.plugin-menu-trigger:hover { border-color: var(--accent-primary); }

.plugin-menu-count {
  font-size: 10px;
  font-weight: 700;
  background: var(--accent-primary);
  color: #fff;
  padding: 1px 6px;
  border-radius: 999px;
  margin-left: 4px;
}

.plugin-menu-list {
  position: absolute;
  bottom: calc(100% + 4px);
  right: 0;
  min-width: 220px;
  max-height: 240px;
  overflow-y: auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: var(--shadow-md);
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.plugin-menu-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  padding: 6px 10px;
  border-radius: 4px;
  cursor: pointer;
  text-align: left;
  width: 100%;
}

.plugin-menu-item:hover { background: var(--bg-hover); }

.plugin-menu-item-label { font-size: 12px; font-weight: 500; }

.plugin-menu-item-source {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Branch panel ─────────────────────────────────────────────────── */

.branch-panel { display: flex; flex-direction: column; height: 100%; }

.branch-create-row {
  display: flex;
  gap: 6px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-color);
}

.branch-name-input {
  flex: 1;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 4px 8px;
  font-size: 12px;
  border-radius: 4px;
}

.branch-name-input:focus { outline: none; border-color: var(--accent-primary); }

.btn-create-branch {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--accent-primary); color: #fff;
  border: none; padding: 4px 10px; font-size: 12px;
  border-radius: 4px; cursor: pointer;
}

.btn-create-branch:disabled { opacity: 0.5; cursor: not-allowed; }

.branch-list { list-style: none; margin: 0; padding: 4px 0; overflow-y: auto; }

.branch-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; border-bottom: 1px solid var(--border-color);
}

.branch-item.active { background: var(--accent-primary-muted); }

.branch-meta { display: inline-flex; align-items: center; gap: 6px; flex: 1; min-width: 0; }

.branch-name { font-size: 12px; font-weight: 500; color: var(--text-primary); }

.branch-active-tag {
  font-size: 10px; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--accent-primary);
}

.branch-diff {
  display: inline-flex; gap: 6px; font-size: 10px; color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.branch-actions { display: inline-flex; gap: 4px; }

.btn-branch-switch, .btn-branch-merge, .btn-branch-delete {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 3px 8px; font-size: 11px; border-radius: 4px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 4px;
}

.btn-branch-switch:hover, .btn-branch-merge:hover { border-color: var(--accent-primary); }

.btn-branch-delete:hover { border-color: var(--danger-color, #f24822); color: var(--danger-color, #f24822); }

/* Renderer backend indicator in StatusBar. */

.backend-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid transparent;
}

.backend-badge--webgpu {
  color: #fff;
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.backend-badge--webgl {
  color: var(--text-secondary);
  background: transparent;
  border-color: var(--border-color);
}

/* ── Underlay panel ───────────────────────────────────────────────── */

.underlay-panel { display: flex; flex-direction: column; height: 100%; padding: 8px 10px; gap: 8px; }

.underlay-empty { font-size: 12px; color: var(--text-muted); text-align: center; padding: 16px 8px; }

.underlay-error {
  font-size: 11px; color: var(--accent-danger);
  border: 1px solid var(--accent-danger);
  padding: 4px 8px; border-radius: 4px;
  background: rgba(242, 72, 34, 0.08);
}

.underlay-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; overflow-y: auto; }

.underlay-item {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px;
  display: flex; flex-direction: column; gap: 6px;
}

.underlay-meta { display: flex; align-items: center; gap: 6px; }

.underlay-source { flex: 1; font-size: 12px; font-weight: 500; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.underlay-row {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-secondary);
}

.underlay-row input {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 11px;
  padding: 2px 4px;
  border-radius: 3px;
  min-width: 0;
}

.underlay-origin input { width: 60px; }

.underlay-calibrate { grid-template-columns: 72px 1fr 1fr auto; }

.underlay-size { font-size: 10px; color: var(--text-muted); text-align: right; }

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 2px 4px;
}

.btn-icon:hover { color: var(--text-primary); }

/* ── Dashboard user menu ──────────────────────────────────────────── */

.dashboard-header-spacer { flex: 1; }

.dashboard-user-menu { position: relative; }

.dashboard-user-chip {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 12px 6px 6px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 100px;
  color: var(--text-primary);
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
}

.dashboard-user-chip:hover { border-color: var(--accent-primary); }

.dashboard-user-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent-primary);
  color: #fff;
  font-weight: 600;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
}

.dashboard-user-label {
  display: inline-flex; flex-direction: column; align-items: flex-start;
  line-height: 1.2;
  max-width: 180px;
}

.dashboard-user-name {
  font-size: 12px; font-weight: 600;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 180px;
}

.dashboard-user-plan {
  font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-muted);
}

.dashboard-user-plan--pro,
.dashboard-user-plan--team { color: var(--accent-primary); }

.dashboard-user-plan--trial { color: var(--accent-warning, #f5a623); }

.dashboard-user-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 260px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  z-index: 100;
  padding: 6px;
  display: flex; flex-direction: column; gap: 2px;
}

.dashboard-user-dropdown-header {
  padding: 10px 12px 8px;
  display: flex; flex-direction: column; gap: 2px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 4px;
}

.dashboard-user-dropdown-name {
  font-size: 13px; font-weight: 600; color: var(--text-primary);
}

.dashboard-user-dropdown-email {
  font-size: 11px; color: var(--text-muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.dashboard-user-dropdown-item {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 12px;
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 13px;
  cursor: pointer;
  text-align: left;
}

.dashboard-user-dropdown-item:hover { background: var(--bg-hover); }

.dashboard-user-dropdown-upgrade {
  justify-content: space-between;
  color: var(--accent-primary);
  font-weight: 600;
}

.dashboard-user-dropdown-arrow { font-size: 12px; }

.dashboard-user-dropdown-divider {
  height: 1px; background: var(--border-color);
  margin: 4px 0;
}

/* ── Photoreal render v2 — shares .analysis-section / .field-row style ─── */

.rendering-panel .rendering-warning {
  padding: 6px 8px;
  background: color-mix(in srgb, var(--color-warning, #f59e0b) 14%, transparent);
  border-left: 3px solid var(--color-warning, #f59e0b);
  font-size: 11px;
  color: var(--text-primary);
}

.rendering-panel .rendering-preview {
  display: block;
  width: 100%;
  margin: 8px 0 0;
  border-top: 1px solid var(--border-color);
}

.rendering-panel .btn-run-analysis--secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  margin-top: 0;
}

.rendering-panel .btn-run-analysis--secondary:hover {
  background: var(--bg-tertiary);
}

/* Nav view entries for saved renderings — draggable onto sheets. */

.nav-item--render { cursor: grab; position: relative; }

.nav-item--render:active { cursor: grabbing; }

.nav-render-thumb {
  width: 24px;
  height: 16px;
  object-fit: cover;
  border-radius: 2px;
  border: 1px solid var(--border-color);
  margin-right: 6px;
}

.nav-render-delete {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 3px;
  font-size: 14px;
  line-height: 1;
  padding: 0;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.12s ease, background 0.12s ease, color 0.12s ease;
}

.nav-item--render:hover .nav-render-delete { opacity: 1; }

.nav-render-delete:hover {
  background: color-mix(in srgb, var(--accent-danger, #f24822) 14%, transparent);
  color: var(--accent-danger, #f24822);
}

/* Sheet drop target visuals. */

.sheet-drop-hint {
  margin-top: 10px;
  padding: 10px;
  border: 2px dashed var(--border-color);
  border-radius: 4px;
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.sheet-drop-hint.drop-target {
  border-color: var(--accent-primary);
  background: color-mix(in srgb, var(--accent-primary) 8%, transparent);
  color: var(--text-primary);
}

.sheet-list-item { position: relative; }

.sheet-list-item.drop-target {
  outline: 2px solid var(--accent-primary);
  outline-offset: -2px;
}

.sheet-prop-row--views { flex-direction: column; align-items: stretch; }

.sheet-views-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.sheet-view-thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.sheet-view-thumb {
  position: relative;
  width: 72px;
  height: 48px;
  border: 1px solid var(--border-color);
  border-radius: 3px;
  overflow: hidden;
  background: var(--bg-tertiary);
  font-size: 9px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sheet-view-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sheet-view-thumb-remove {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 16px;
  height: 16px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
}

/* ── Trial-expired gate ───────────────────────────────────────────────────── */

.trial-gate-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  background-image: radial-gradient(ellipse at 60% 40%, var(--accent-primary-muted) 0%, transparent 65%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  font-family: 'Inter', sans-serif;
}

.trial-gate-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 48px 40px;
  max-width: 420px;
  width: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.trial-gate-icon {
  font-size: 40px;
  line-height: 1;
}

.trial-gate-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.trial-gate-body {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.btn-upgrade {
  margin-top: 8px;
  padding: 12px 28px;
  background: var(--accent-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
  width: 100%;
}

.btn-upgrade:hover {
  background: var(--accent-secondary);
}

.btn-upgrade:active {
  transform: scale(0.98);
}

/* ── Subscription modal ───────────────────────────────────────────────────── */

.subscription-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  font-family: 'Inter', sans-serif;
  padding: 24px;
}

.subscription-modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  padding: 36px 32px 28px;
  width: 100%;
  max-width: 720px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--text-secondary);
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 4px;
}

.modal-close:hover { background: var(--bg-hover); }

.subscription-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.subscription-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.subscription-plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.subscription-plan-card {
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  background: var(--bg-primary);
}

.subscription-plan-card--current {
  border-color: var(--accent-primary);
  background: var(--accent-primary-muted);
}

.subscription-plan-badge {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.subscription-plan-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.subscription-plan-price {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.subscription-plan-amount {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
}

.subscription-plan-period {
  font-size: 12px;
  color: var(--text-secondary);
}

.subscription-plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.subscription-plan-features li {
  font-size: 13px;
  color: var(--text-secondary);
  padding-left: 16px;
  position: relative;
}

.subscription-plan-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-success);
  font-size: 12px;
}

.subscription-plan-cta {
  width: 100%;
  padding: 10px 0;
  border-radius: 7px;
  border: none;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
  margin-top: auto;
}

.subscription-plan-cta--current {
  background: var(--bg-hover);
  color: var(--text-secondary);
  cursor: default;
}

.subscription-plan-cta--upgrade {
  background: var(--accent-primary);
  color: #fff;
}

.subscription-plan-cta--upgrade:hover { background: var(--accent-secondary); }

.subscription-plan-cta--upgrade:disabled {
  opacity: 0.6;
  cursor: wait;
}

.subscription-footer {
  margin-top: 24px;
  text-align: center;
}

.subscription-manage-billing {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  text-decoration: underline;
  padding: 4px;
}

.subscription-manage-billing:hover { color: var(--text-primary); }

/* T-EXT-01: Family params form chrome */

.family-version-badge {
  margin-left: 6px;
  font-size: 10px;
  font-weight: 400;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: 3px;
  padding: 1px 4px;
}

.family-param-warning {
  padding: 6px 12px;
  font-size: 11px;
  color: var(--accent-warning, #f59e0b);
}

/* T-A11Y-03: Global keyboard focus ring — overrides the many component-level
 * `outline: none` rules so keyboard navigation always has a visible indicator.
 * Mouse/touch focus is still outline-free (`:focus:not(:focus-visible)`). */

:focus-visible {
  outline: 2px solid var(--accent-primary, #3b82f6) !important;
  outline-offset: 2px !important;
}

/* T-EXT-02: Visual programming graph panel */

.graph-panel-wrapper {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.graph-panel-wrapper__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border-primary);
  flex-shrink: 0;
}

.graph-panel-wrapper__title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.graph-panel-wrapper__new-btn {
  font-size: 11px;
  padding: 2px 8px;
  background: var(--accent-primary);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.graph-panel-wrapper__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: 4px 8px;
  border-bottom: 1px solid var(--border-primary);
  flex-shrink: 0;
}

.graph-panel-wrapper__tab {
  display: flex;
  align-items: center;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border-primary);
}

.graph-panel-wrapper__tab.active {
  border-color: var(--accent-primary);
  background: color-mix(in srgb, var(--accent-primary) 12%, transparent);
}

.graph-panel-wrapper__tab-btn {
  font-size: 11px;
  padding: 2px 6px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
}

.graph-panel-wrapper__tab-delete {
  font-size: 13px;
  padding: 0 4px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  line-height: 1;
}

.graph-panel-wrapper--empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 100%;
  color: var(--text-secondary);
  font-size: 13px;
  text-align: center;
  padding: 24px;
}

.graph-panel {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.graph-panel__toolbar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.graph-panel__toolbar-label {
  font-size: 11px;
  color: var(--text-secondary);
  margin-right: 4px;
}

.graph-panel__cat-btn {
  font-size: 10px;
  padding: 2px 6px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: 3px;
  cursor: pointer;
  color: var(--text-primary);
  text-transform: capitalize;
}

.graph-panel__cat-btn.active {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
}

.graph-panel__palette {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  padding: 6px 8px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-primary);
  flex-shrink: 0;
}

.graph-panel__palette-item {
  font-size: 11px;
  padding: 2px 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: 3px;
  cursor: pointer;
  color: var(--text-primary);
}

.graph-panel__palette-item:hover {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
}

.graph-panel__timeout-warning {
  font-size: 10px;
  color: var(--accent-warning, #f59e0b);
  margin-left: auto;
}

.graph-panel__canvas {
  flex: 1;
  min-height: 0;
  position: relative;
}

/* Graph node styles */

.graph-node {
  background: var(--bg-secondary);
  border: 1px solid var(--node-accent, var(--border-primary));
  border-top: 3px solid var(--node-accent, var(--accent-primary));
  border-radius: 6px;
  min-width: 160px;
  font-size: 11px;
  color: var(--text-primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.graph-node--error {
  border-color: var(--accent-danger, #ef4444);
}

.graph-node__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px;
  font-weight: 600;
  border-bottom: 1px solid var(--border-primary);
  gap: 4px;
}

.graph-node__label { flex: 1; font-size: 11px; }

.graph-node__category {
  font-size: 9px;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.graph-node__error {
  padding: 3px 8px;
  font-size: 10px;
  color: var(--accent-danger, #ef4444);
  background: color-mix(in srgb, var(--accent-danger, #ef4444) 10%, transparent);
  border-bottom: 1px solid var(--border-primary);
}

.graph-node__socket {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font-size: 10px;
  color: var(--text-secondary);
}

.graph-node__socket--out { justify-content: flex-end; }

.graph-node__socket-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--node-accent, var(--accent-primary));
  flex-shrink: 0;
}

.graph-node__socket-label { line-height: 1.2; }

.graph-node__param {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
}

.graph-node__param-label {
  font-size: 10px;
  color: var(--text-secondary);
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.graph-node__param-input {
  width: 64px;
  font-size: 10px;
  padding: 1px 4px;
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: 3px;
  color: var(--text-primary);
}

/* T-SITE-02: Landscape tool panel */

.landscape-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.landscape-panel__tabs {
  display: flex;
  border-bottom: 1px solid var(--border-primary);
  flex-shrink: 0;
  overflow-x: auto;
}

.landscape-panel__tab {
  flex: 1;
  min-width: 0;
  padding: 6px 4px;
  font-size: 10px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  color: var(--text-secondary);
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.landscape-panel__tab.active,
.landscape-panel__tab[aria-selected="true"] {
  color: var(--text-primary);
  border-bottom-color: var(--accent-primary);
}

.landscape-panel__status {
  padding: 4px 8px;
  font-size: 11px;
  background: color-mix(in srgb, var(--accent-primary) 15%, transparent);
  border-bottom: 1px solid var(--border-primary);
  color: var(--text-primary);
  flex-shrink: 0;
}

.landscape-panel__rotation { font-weight: 600; }

.landscape-panel__hint { color: var(--text-secondary); font-size: 10px; }

.landscape-panel__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
  gap: 4px;
  padding: 8px;
  overflow-y: auto;
  flex: 1;
  align-content: start;
}

.landscape-panel__thumb {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 4px;
  border: 1px solid var(--border-primary);
  border-radius: 4px;
  background: var(--bg-secondary);
  cursor: pointer;
  text-align: center;
  color: var(--text-primary);
}

.landscape-panel__thumb:hover { background: var(--bg-tertiary); }

.landscape-panel__thumb.armed,
.landscape-panel__thumb[aria-selected="true"] {
  border-color: var(--accent-primary);
  background: color-mix(in srgb, var(--accent-primary) 12%, transparent);
}

.landscape-panel__thumb-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 3px;
}

.landscape-panel__thumb-placeholder {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border-radius: 3px;
  font-size: 20px;
  font-weight: 600;
  color: var(--text-secondary);
}

.landscape-panel__thumb-label {
  font-size: 9px;
  line-height: 1.2;
  color: var(--text-secondary);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.landscape-panel__empty,
.landscape-panel__loading,
.landscape-panel__empty-tab {
  padding: 24px 12px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 12px;
}

.landscape-panel__footer {
  padding: 4px 8px;
  font-size: 10px;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-primary);
  flex-shrink: 0;
}

.landscape-panel__footer kbd {
  display: inline-block;
  padding: 1px 4px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: 3px;
  font-size: 9px;
}
/*
 * index.css — base reset and global icon fix only.
 *
 * CSS design tokens (--bg-*, --text-*, --accent-*, etc.) are defined in
 * app.css, which is loaded by AppLayout and wins the cascade.  Do NOT
 * redefine them here — competing :root blocks caused visible hover/active
 * backgrounds in the Tauri WKWebView because its CSS injection order differs
 * from Chrome's.
 */

/* ─── Box-model reset ────────────────────────────────────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ─── Canvas reset ───────────────────────────────────────────────── */
/* Canvases manage their own interaction; browser focus rings appear as
   rendering artifacts at canvas edges. display:block removes the small
   inline baseline gap that browsers add to inline elements. */
canvas {
  display: block;
  outline: none;
}

/* ─── Base body ──────────────────────────────────────────────────── */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
}

/* ─── Global button + SVG icon fix ──────────────────────────────── */
/*
 * Lucide (and other SVG icon sets) use stroke="currentColor".
 * Buttons in some browser UA stylesheets reset `color` to ButtonText (black),
 * making icons disappear on tinted/dark backgrounds.
 *
 * `color: inherit` guarantees every button inherits the cascade foreground.
 * `stroke: currentColor` on SVGs inside interactive elements makes them
 * honour the inherited color regardless of which icon library is used.
 */
button {
  color: inherit;
}

button svg,
a svg,
label svg,
[role='button'] svg {
  display: block;       /* prevents inline baseline gap */
  stroke: currentColor; /* explicit — don't rely solely on attribute */
  flex-shrink: 0;       /* never squash inside flex rows */
}