/* Track's drawing viewer (cad/cad-viewer.js; Files viewer brief §3, boards 6
 * and 8). A full-screen overlay that sizes itself (W4): the sheet first, the
 * tools floating over it in cards. Tokens only; the CAD sheet itself is white
 * (light ground) or black (dark ground) whatever the app theme, because that
 * is what the drawing was drawn on. The phone's version is in v4/phone.css. */

.cadv {
  --cadv-ground: var(--surface-sunk);
  --cadv-sheet: rgb(255 255 255);
  --cadv-blue: var(--link);
  --cadv-orange: var(--attn-ink);
  position: fixed; inset: 0; z-index: 1000;
  background: var(--cadv-ground); color: var(--ink);
  font-family: var(--font-sans); font-size: 13px;
  outline: none; overflow: hidden;
}
.cadv.is-dark { --cadv-ground: rgb(0 0 0); --cadv-sheet: rgb(0 0 0); }
.cadv-stage { position: absolute; inset: 0; overflow: hidden; touch-action: none; }
.cadv-sheet { position: absolute; background: var(--cadv-sheet); box-shadow: 0 2px 10px rgba(12, 17, 57, 0.10); }
.cadv-sheet.is-model { box-shadow: none; }
.cadv.is-dark .cadv-sheet { box-shadow: none; }
.cadv-gl, .cadv-ov { position: absolute; left: 0; top: 0; }
.cadv-ov { cursor: grab; }
.cadv-ov.is-hot { cursor: pointer; }
.cadv-ov.is-panning { cursor: grabbing; }
.cadv-ov.is-measuring { cursor: crosshair; }
/* The saved picture: instant, slightly soft, until the real drawing replaces it. */
.cadv-preview { position: absolute; filter: blur(0.6px); opacity: 0.92; pointer-events: none; }

/* The progress line: 2 px along the top, driven by real stages. */
.cadv-prog { position: absolute; left: 0; right: 0; top: 0; height: 2px; z-index: 6; pointer-events: none; transition: opacity var(--dur-base) var(--ease-out); }
.cadv-prog span { display: block; height: 100%; background: var(--cadv-blue); transform-origin: left center; transform: scaleX(0); transition: transform var(--dur-base) var(--ease-out); }
.cadv-prog.is-done { opacity: 0; }

.cadv-card { position: absolute; z-index: 5; background: var(--surface); border: 1px solid var(--hair); border-radius: 12px;
  box-shadow: 0 1px 2px rgba(12, 17, 57, 0.06), 0 8px 24px rgba(12, 17, 57, 0.07); }
.cadv-mono { font-family: var(--font-technical); }

.cadv-title { left: 16px; top: 16px; display: flex; align-items: center; gap: 6px; padding: 6px 8px 6px 6px; max-width: calc(100% - 420px); }
.cadv-titlebtn { font: inherit; text-align: left; background: transparent; border: 0; border-radius: 8px; padding: 2px 8px; min-height: 36px;
  cursor: pointer; display: flex; align-items: center; gap: 12px; color: var(--ink); min-width: 0; }
.cadv-titlebtn:hover { background: var(--row-hover); }
.cadv-t { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.cadv-t1 { font-size: 14px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cadv-t2 { font-size: 12px; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.cadv-ic { width: 36px; height: 36px; border: 0; border-radius: 8px; background: transparent; display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--ink-2); transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out); }
.cadv-ic:hover { background: var(--row-hover); color: var(--ink); }
.cadv-ic.is-on { background: var(--track-navy); color: rgb(255 255 255); }
.cadv-ic:disabled { opacity: 0.38; cursor: default; }
.cadv-ic:disabled:hover { background: transparent; }

.cadv-tr { position: absolute; right: 16px; top: 16px; z-index: 5; display: flex; align-items: center; gap: 10px; }
.cadv-lock { display: flex; align-items: center; gap: 8px; padding: 0 12px; height: 44px; font-size: 13px; color: var(--ink-2);
  background: var(--surface); border: 1px solid var(--hair); border-radius: 12px; box-shadow: 0 8px 24px rgba(12, 17, 57, 0.07); }
.cadv-lock .cadv-av { width: 24px; height: 24px; border-radius: 50%; background: var(--avatar-bg); color: var(--ink); font-size: 10.5px; font-weight: 500;
  display: flex; align-items: center; justify-content: center; box-shadow: 0 0 0 2px var(--surface), 0 0 0 3.5px var(--brand-orange); }
.cadv-lock.is-stale { color: var(--ink-3); }
.cadv-lock.is-stale .cadv-av { box-shadow: 0 0 0 2px var(--surface), 0 0 0 3.5px var(--ink-3); }
.cadv-lock-also { display: block; font-size: 11.5px; color: var(--ink-3); }
.cadv-open { display: inline-flex; align-items: center; height: 44px; padding: 0 18px; border-radius: 10px; border: 0; background: var(--track-navy);
  color: rgb(255 255 255); font: inherit; font-size: 14px; font-weight: 500; cursor: pointer; }

.cadv-banner { left: 50%; top: 16px; transform: translateX(-50%); display: flex; align-items: center; gap: 16px; min-height: 44px; padding: 6px 8px 6px 16px;
  box-sizing: border-box; font-size: 13px; max-width: calc(100% - 760px); min-width: 320px; }
.cadv-banner-t { flex: 1; min-width: 0; }
.cadv-lg { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-2); white-space: nowrap; }
.cadv-lg-now { width: 14px; height: 2.5px; background: var(--cadv-blue); }
.cadv-lg-old { width: 14px; height: 0; border-top: 2px dashed var(--cadv-orange); }

.cadv-btn { font: inherit; font-size: 13px; font-weight: 500; color: var(--ink); background: var(--surface); border: 1px solid var(--hair-strong);
  border-radius: 8px; min-height: 34px; padding: 0 12px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.cadv-btn-primary { background: var(--track-navy); border-color: var(--track-navy); color: rgb(255 255 255); }
.cadv-btn-sm { min-height: 30px; background: var(--surface-sunk); border: 0; }
.cadv-x { width: 28px; height: 28px; border: 0; background: transparent; border-radius: 6px; cursor: pointer; color: var(--ink-3); font-size: 18px; line-height: 1; flex: none; }
.cadv-x:hover { background: var(--row-hover); }
.cadv-lnk { font: inherit; font-size: 12.5px; color: var(--link); background: none; border: 0; padding: 0; cursor: pointer; }

/* The right-hand card: the pick, the areas, the changes. */
.cadv-side { right: 16px; top: 76px; width: 288px; padding: 14px 8px 10px; max-height: calc(100% - 180px); display: flex; flex-direction: column; box-sizing: border-box; }
.cadv-side.is-areas { width: 300px; }
.cadv-side-h { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; padding: 0 10px 4px; font-size: 16px; font-weight: 500; }
.cadv-side-s { padding: 0 10px; margin-top: -2px; font-size: 12px; color: var(--ink-3); }
.cadv-kvs { margin: 10px 10px 0; border-top: 1px solid var(--hair-soft); padding-top: 6px; overflow: auto; }
.cadv-kv { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; font-size: 13px; }
.cadv-kv span:first-child { color: var(--ink-3); flex: none; }
.cadv-kv span:last-child { text-align: right; overflow-wrap: anywhere; }
.cadv-seg { display: flex; gap: 2px; background: var(--surface-sunk); border-radius: 8px; padding: 3px; margin: 10px 10px 8px; }
.cadv-seg button { flex: 1; font: inherit; font-size: 13px; border: 0; border-radius: 6px; padding: 6px 8px; min-height: 30px; cursor: pointer; background: transparent; color: var(--ink-2); }
.cadv-seg button.is-on { background: var(--surface); color: var(--ink); font-weight: 500; box-shadow: 0 1px 2px rgba(12, 17, 57, 0.12); }
.cadv-ar { display: flex; align-items: flex-start; gap: 10px; padding: 8px 6px 8px 10px; border-radius: 7px; }
.cadv-ar-t { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.cadv-ar-t input { font: inherit; font-size: 13.5px; color: var(--ink); border: 0; border-bottom: 1px solid transparent; background: transparent; padding: 0; min-width: 0; }
.cadv-ar-t input:focus-visible { border-bottom-color: var(--link); outline: none; }
.cadv-ar .cadv-mono { font-size: 13.5px; white-space: nowrap; padding-top: 1px; }
.cadv-sw { width: 10px; height: 10px; border-radius: 2px; flex: none; box-shadow: inset 0 0 0 1px rgba(12, 17, 57, 0.15); }
.cadv-sw.is-area { background: var(--cadv-blue); opacity: 0.6; margin-top: 4px; }
.cadv-side-more { margin: 4px 10px; font-size: 13px; color: var(--link); }
.cadv-side-note { margin: 6px 10px; font-size: 13px; color: var(--ink-2); line-height: 1.45; }
.cadv-total { display: flex; justify-content: space-between; align-items: baseline; margin: 6px 10px 0; padding-top: 10px; border-top: 1px solid var(--hair-soft); }
.cadv-total span:first-child { font-size: 13px; color: var(--ink-3); }
.cadv-total .cadv-mono { font-size: 15px; font-weight: 500; }
.cadv-side-a { display: flex; gap: 8px; margin: 12px 10px 2px; }
.cadv-side-a .cadv-btn { flex: 1; }
.cadv-side-foot { font-size: 11.5px; color: var(--ink-3); margin: 8px 10px 0; line-height: 1.4; }
.cadv-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; margin-top: 5px; background: var(--cadv-blue); }
.cadv-dot.is-removed { background: var(--cadv-orange); }

/* Menus and panels. */
.cadv-mi { display: flex; align-items: flex-start; gap: 10px; width: 100%; text-align: left; font: inherit; font-size: 13.5px; color: var(--ink);
  background: transparent; border: 0; border-radius: 7px; padding: 8px 10px; min-height: 36px; cursor: pointer; box-sizing: border-box; }
.cadv-mi:hover { background: var(--row-hover); }
.cadv-mi-t { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.cadv-mi-t1 { flex: 1; min-width: 0; font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cadv-mi-s { font-size: 12px; color: var(--ink-3); }
.cadv-tick { width: 16px; color: var(--link); flex: none; }
.cadv-ph { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); font-weight: 500; padding: 10px 10px 4px; }
.cadv-menu { padding: 6px; width: 340px; max-height: calc(100% - 120px); overflow: auto; box-sizing: border-box; }
.cadv-menu.is-layouts { left: 16px; top: 74px; }
.cadv-menu.is-more { left: 50%; bottom: 76px; transform: translateX(-50%) translateX(150px); width: 300px; }
.cadv-pop { left: 50%; bottom: 76px; transform: translateX(-50%); width: 340px; padding: 6px; max-height: calc(100% - 200px); display: flex; flex-direction: column; box-sizing: border-box; }
.cadv-pop.is-find { width: 420px; padding: 8px; }
.cadv-pop-h { display: flex; justify-content: space-between; align-items: center; padding: 6px 10px 2px; font-size: 14px; font-weight: 500; }
.cadv-pop-scroll { overflow: auto; min-height: 0; }
.cadv-lr { display: flex; align-items: center; gap: 10px; min-height: 34px; padding: 0 6px 0 10px; border-radius: 7px; font-size: 13px; }
.cadv-lr:hover { background: var(--row-hover); }
.cadv-lr.is-off { color: var(--ink-3); }
.cadv-lr-n { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cadv-lr-c { font-size: 12px; color: var(--ink-3); }
.cadv-eye { width: 30px; height: 30px; border: 0; background: transparent; border-radius: 6px; display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--ink-2); }
.cadv-eye:hover { background: var(--surface-sunk); }
.cadv-find { display: flex; align-items: center; gap: 10px; height: 40px; border: 1px solid var(--link); border-radius: 8px; padding: 0 12px; color: var(--ink-3); }
.cadv-find input { border: 0; outline: none; font: inherit; font-size: 14px; flex: 1; min-width: 0; background: transparent; color: var(--ink); }
.cadv-find-n { font-size: 12px; color: var(--ink-3); white-space: nowrap; }
.cadv-find-r { overflow: auto; margin-top: 4px; max-height: 360px; }

.cadv-bar { left: 50%; bottom: 18px; transform: translateX(-50%); display: flex; align-items: center; gap: 2px; padding: 4px; }
.cadv-sep { width: 1px; height: 20px; background: var(--hair); margin: 0 6px; }
.cadv-status { position: absolute; left: 18px; bottom: 26px; z-index: 4; font-size: 11.5px; color: var(--ink-3); max-width: calc(50% - 260px); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cadv-scale { position: absolute; right: 18px; bottom: 26px; z-index: 4; font-size: 12px; color: var(--ink-3); }
.cadv.is-dark .cadv-status, .cadv.is-dark .cadv-scale { color: rgba(255, 255, 255, 0.6); }

/* The status pill: Opening… · Drawing · 9 of 14 layers · Ready (fades) · what was skipped (stays). */
.cadv-pill { position: absolute; left: 50%; bottom: 76px; transform: translate(-50%, 6px); z-index: 4; display: flex; align-items: center; gap: 6px;
  background: var(--surface); border: 1px solid var(--hair); border-radius: 16px; padding: 6px 12px; font-size: 12px; color: var(--ink-2); white-space: nowrap;
  box-shadow: 0 4px 14px rgba(12, 17, 57, 0.08); opacity: 0; pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out); }
.cadv-pill.is-on { opacity: 1; transform: translate(-50%, 0); }
.cadv-pill.is-sticky { pointer-events: auto; padding-right: 4px; color: var(--ink); }
.cadv-pill.is-quiet { color: var(--ink-3); }
.cadv-pill .cadv-x { width: 24px; height: 24px; font-size: 15px; }

.cadv-fail { left: 50%; top: 50%; transform: translate(-50%, -50%); width: min(460px, calc(100% - 32px)); padding: 22px 24px; box-sizing: border-box; }
.cadv-fail-t { margin: 0; font-size: 14.5px; color: var(--ink); }
.cadv-fail-s { margin: 10px 0 18px; font-size: 13px; color: var(--ink-2); }
.cadv-fail-a { display: flex; gap: 8px; }

@media (prefers-reduced-motion: reduce) {
  .cadv-prog, .cadv-prog span, .cadv-pill, .cadv-ic { transition: none; }
}