/* CAD reader page; shared tokens and components come from styles.css. */
.cad-main { padding-bottom: 60px; }
.cad-main .page-heading { margin: 28px 0 20px; gap: 24px; }
.cad-main h1 { font-size: 38px; margin-top: 6px; }
.cad-panel { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--card-radius); box-shadow: var(--shadow-card, var(--shadow-sm)); padding: 20px 24px; min-width: 0; margin: 0 0 16px; }
.cad-page button, .cad-page .button, .cad-page .nav-link, .cad-page summary { min-height: 44px; min-width: 44px; }
.cad-page .brand-link, .cad-page .text-link { display: inline-flex; align-items: center; min-height: 44px; min-width: 44px; }
.cad-page input[type="search"] { min-height: 44px; border-color: var(--border-strong); width: 100%; max-width: 420px; }

.cad-upload { position: relative; }
.cad-upload input[type="file"] { position: absolute; width: 1px; height: 1px; opacity: 0; }
.cad-drop { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; min-height: 128px; padding: 20px; text-align: center; border: 1.5px dashed var(--border-strong); border-radius: var(--card-radius-sm); background: var(--bg-subtle); cursor: pointer; transition: border-color .18s ease, background .18s ease; }
.cad-drop strong { color: var(--primary); font-size: var(--text-nav); }
.cad-drop span { color: var(--text-muted); font-size: var(--text-2xs); }
.cad-drop:hover, .cad-drop.is-over { border-color: var(--primary); background: var(--primary-bg); }
.cad-upload:focus-within .cad-drop { border-color: var(--primary); outline: 2px solid var(--primary); outline-offset: 2px; }
.cad-upload-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 10px; }
.cad-upload-bar .cad-status { margin-top: 0; }
.cad-sample-btn { margin-left: auto; font-size: var(--text-xs); }
.cad-status { color: var(--text-muted); font-size: var(--text-xs); line-height: 1.6; margin-top: 10px; }
.cad-status:empty { display: none; }
.cad-error { color: var(--red); background: var(--red-bg); border-radius: var(--control-radius-sm); padding: 10px 12px; margin-top: 12px; font-size: var(--text-xs); }

.cad-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.cad-title h2 { overflow-wrap: anywhere; }
.cad-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cad-facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px 24px; margin: 18px 0 0; }
.cad-facts > div { min-width: 0; }
.cad-facts dt { font-size: var(--text-3xs); letter-spacing: .1em; text-transform: uppercase; color: var(--text-muted); }
.cad-facts dd { margin: 2px 0 0; font-size: var(--text-sm); overflow-wrap: anywhere; }

.cad-preview { margin: 0 0 16px; }
.cad-preview-tools { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cad-btn-group { display: inline-flex; align-items: center; gap: 4px; flex-wrap: wrap; background: var(--bg-subtle); padding: 3px; border: 1px solid var(--border); border-radius: var(--pill-radius); }
.cad-tool-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 0 12px; border-radius: var(--pill-radius); background: transparent; color: var(--text-control); font-size: var(--text-2xs); font-weight: 500; transition: background .15s ease, color .15s ease; }
.cad-tool-btn:hover { background: var(--bg-card-hover); color: var(--text); }
.cad-tool-btn.is-active, .cad-tool-btn[aria-pressed="true"] { background: var(--selection-bg); color: var(--selection-text); }

.cad-stage {
  --cad-sheet-dark: #15181c;
  --cad-sheet-blueprint: #0e2944;
  --cad-ink-light: #f4f1ea;
  position: relative;
  margin-top: 12px;
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--card-radius-sm);
  overflow: hidden;
  user-select: none;
}
.cad-stage[data-theme="dark"] { background: var(--cad-sheet-dark); border-color: var(--text); }
.cad-stage[data-theme="blueprint"] {
  background-color: var(--cad-sheet-blueprint);
  background-image: linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  border-color: var(--text);
}
.cad-stage > img { width: 100%; max-height: 70vh; object-fit: contain; background: transparent; }
.cad-stage.has-vector > img { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.cad-canvas { width: 100%; height: min(64vh, 560px); cursor: grab; touch-action: none; display: flex; align-items: center; justify-content: center; }
.cad-canvas:active { cursor: grabbing; }
.cad-canvas:focus-visible { outline: 2px solid var(--primary); outline-offset: -3px; }
.cad-stage.is-measuring .cad-canvas, .cad-stage.is-selecting .cad-canvas { cursor: crosshair; }
.cad-canvas svg { width: 100%; height: 100%; display: block; }
.cad-canvas svg > rect:first-of-type { fill: transparent !important; }
.cad-stage[data-theme="dark"] .cad-canvas svg path[data-aci7="stroke"],
.cad-stage[data-theme="blueprint"] .cad-canvas svg path[data-aci7="stroke"] { stroke: var(--cad-ink-light) !important; }
.cad-stage[data-theme="dark"] .cad-canvas svg path[data-aci7="fill"],
.cad-stage[data-theme="blueprint"] .cad-canvas svg path[data-aci7="fill"] { fill: var(--cad-ink-light) !important; }
.cad-canvas svg path[data-handle] { cursor: pointer; transition: opacity .15s ease; }
.cad-stage.is-measuring .cad-canvas svg path[data-handle] { cursor: crosshair; }
.cad-canvas svg path[hidden] { display: none !important; }
.cad-stage.has-highlight .cad-canvas svg g > path:not(.is-highlighted) { opacity: 0.16; }
.cad-stage.has-highlight .cad-canvas svg g > path.is-highlighted { filter: drop-shadow(0 0 4px var(--primary)); }

.cad-hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 6px 12px;
  border-top: 1px solid var(--border-soft);
  background: var(--bg-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--text-3xs);
}
.cad-hud:empty { display: none; }

.cad-layer-bar { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.cad-layer-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  border: 1px solid var(--border-control);
  border-radius: var(--pill-radius);
  background: var(--bg-subtle);
  color: var(--text);
  font-size: var(--text-2xs);
  transition: opacity .15s ease, border-color .15s ease, background .15s ease;
}
.cad-layer-chip[aria-pressed="false"] { opacity: 0.48; text-decoration: line-through; }
.cad-layer-chip.is-focused { border-color: var(--primary); background: var(--primary-bg); }
.cad-swatch { display: inline-block; width: 10px; height: 10px; border-radius: var(--pill-radius); border: 1px solid rgba(43, 41, 38, 0.25); flex-shrink: 0; vertical-align: middle; margin-right: 6px; }
.cad-layer-chip .cad-swatch { margin-right: 0; }

.cad-inspect {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 10px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--control-radius);
  background: var(--bg-subtle);
  font-size: var(--text-xs);
}
.cad-inspect-meta { min-width: 0; overflow-wrap: anywhere; }

.cad-section { padding: 0 24px; }
.cad-section > summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; cursor: pointer; font-weight: 600; list-style: none; }
.cad-section > summary::-webkit-details-marker { display: none; }
.cad-section > summary::after { content: "+"; content: "+" / ""; color: var(--text-muted); font-weight: 400; }
.cad-section[open] > summary::after { content: "−"; content: "−" / ""; }
.cad-section > summary .cad-count { margin-left: auto; color: var(--text-muted); font-weight: 400; font-size: var(--text-xs); }
.cad-section[open] { padding-bottom: 20px; }
.cad-section h3 { margin: 16px 0 8px; }
.cad-section ul { margin: 0; padding-left: 20px; font-size: var(--text-xs); line-height: 1.6; }
.cad-filter { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 4px 0 0; }
.cad-floor-plan-img { display: block; width: 100%; max-height: 420px; object-fit: contain; margin-top: 12px; background: var(--white); border: 1px solid var(--border-soft); border-radius: var(--card-radius-sm); }

.cad-table-wrap { overflow-x: auto; margin-top: 10px; border: 1px solid var(--border-soft); border-radius: var(--control-radius-sm); }
.cad-table-wrap table { width: 100%; border-collapse: collapse; font-size: var(--text-2xs); }
.cad-table-wrap th, .cad-table-wrap td { padding: 7px 10px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border-soft); }
.cad-table-wrap th { position: sticky; top: 0; background: var(--bg-subtle); font-weight: 600; white-space: nowrap; }
.cad-table-wrap td { overflow-wrap: break-word; max-width: 520px; white-space: pre-line; }
.cad-table-wrap td.cad-colour-cell { white-space: nowrap; }
.cad-table-wrap tbody tr:last-child td { border-bottom: 0; }
.cad-table-wrap tbody tr.cad-row-interactive { cursor: pointer; transition: background .12s ease; }
.cad-table-wrap tbody tr.cad-row-interactive:hover { background: var(--bg-card-hover); }
.cad-table-wrap tbody tr.is-selected { background: var(--primary-bg); }
.cad-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* Several drawings: one row per file, the open one marked; parts switch whole groups of layers. */
.cad-file-list { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 8px; }
.cad-file { display: flex; align-items: center; gap: 6px; padding-right: 4px; border: 1px solid var(--border-soft); border-radius: var(--card-radius-sm); background: var(--bg-subtle); }
.cad-file-open { flex: 1; min-width: 0; display: flex; flex-direction: column; align-items: flex-start; gap: 2px; padding: 8px 12px; background: transparent; color: var(--text); text-align: left; border-radius: var(--card-radius-sm); }
.cad-file-open strong { font-size: var(--text-sm); overflow-wrap: anywhere; }
.cad-file-open span { font-size: var(--text-2xs); color: var(--text-muted); overflow-wrap: anywhere; }
.cad-file-open:hover:not(:disabled) { background: var(--bg-card-hover); }
.cad-file-open[aria-current="true"] { background: var(--primary-bg); box-shadow: inset 3px 0 0 var(--primary); }
.cad-file-open:disabled { cursor: default; opacity: 1; }
.cad-file.is-error .cad-file-open span { color: var(--red); }
.cad-file-remove { font-size: 20px; line-height: 1; }
.cad-part-label { font-size: var(--text-3xs); letter-spacing: .1em; text-transform: uppercase; color: var(--text-muted); margin-right: 2px; }
.cad-layer-chip[aria-pressed="mixed"] { border-style: dashed; }
.cad-furnish { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.cad-furnish label { font-size: var(--text-xs); color: var(--text-muted); }
.cad-furnish select { min-height: 44px; }
.cad-furnish .cad-status { flex-basis: 100%; margin-top: 0; }
.cad-page select.cad-role { min-height: 44px; min-width: 150px; width: 100%; font-size: var(--text-2xs); }
.cad-table-wrap td.cad-role-cell { white-space: nowrap; }

@media (max-width: 680px) {
  .cad-main .page-heading { flex-direction: column; align-items: flex-start; gap: 8px; }
  .cad-main h1 { font-size: 30px; }
  .cad-panel { padding: 16px; }
  .cad-section { padding: 0 16px; }
  .cad-facts { grid-template-columns: 1fr 1fr; gap: 12px 16px; }
  .cad-canvas { height: 340px; }
  /* Narrow screens scroll a table sideways inside its frame rather than breaking words. */
  .cad-table-wrap table { min-width: 560px; }
}