/* scan.html — capture studio */
.scan-top{padding:var(--sp-10) 0 var(--sp-6)}
.scan-top h1{font-size:clamp(30px,3.4vw + 12px,50px);margin-bottom:var(--sp-4)}
.scan-top .lead{margin-bottom:var(--sp-4)}
.scan-chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0}
.scan-chips li{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);border:1px solid var(--line-2);border-radius:999px;padding:5px 11px;background:rgba(255,255,255,.02)}

.studio{display:grid;grid-template-columns:1.6fr .9fr;gap:var(--sp-6);padding-bottom:var(--sp-12);align-items:start}
.studio-main{min-width:0}

/* camera stage */
.stage{
  position:relative;aspect-ratio:4/3;background:#07090a;border:1px solid var(--line-2);
  border-radius:var(--radius-lg);overflow:hidden;isolation:isolate;
  background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:40px 40px;
}
.stage video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 240ms var(--ease);background:#000}
.stage.is-live video{opacity:1}
.stage.is-live .stage-overlay{display:none}
.stage.is-live .stage-hint{opacity:0;pointer-events:none}
.stage-hint{
  position:absolute;left:50%;bottom:14px;transform:translateX(-50%);z-index:3;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);
  background:rgba(8,10,11,.78);border:1px solid var(--line-2);border-radius:999px;padding:6px 12px;
  transition:opacity var(--dur) var(--ease);white-space:nowrap;max-width:calc(100% - 24px);overflow:hidden;text-overflow:ellipsis
}

/* guide ring overlay */
.guide{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;z-index:2;opacity:.5;transition:opacity var(--dur) var(--ease)}
.stage.is-live .guide{opacity:.95}
.guide svg{width:min(72%,420px);height:auto;filter:drop-shadow(0 0 10px rgba(201,242,77,.18))}
.tick{stroke:rgba(238,242,238,.28);stroke-width:3;stroke-linecap:round;transition:stroke var(--dur) var(--ease)}
.tick.on{stroke:var(--accent)}
.tick.active{stroke:#fff;stroke-width:4}
#guideTrack{transition:stroke-dashoffset 300ms var(--ease)}

/* stage HUD */
.stage-hud{
  position:absolute;z-index:4;display:flex;flex-direction:column;gap:2px;
  background:rgba(8,10,11,.74);border:1px solid var(--line-2);border-radius:3px;padding:7px 9px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3)
}
.hud-left{top:12px;left:12px}
.hud-right{top:12px;right:12px;align-items:flex-end}
.stage-hud .hud-v{color:var(--ink);font-size:11px;letter-spacing:.06em;text-transform:none}
.stage-hud .hud-v.live{color:var(--accent)}
.stage-hud .hud-v.warn{color:var(--warn)}

/* flash on capture */
.flash{position:absolute;inset:0;background:#fff;opacity:0;pointer-events:none;z-index:5}
.flash.fire{animation:flash 260ms ease-out}
@keyframes flash{0%{opacity:.55}100%{opacity:0}}

/* overlay before camera starts */
.stage-overlay{
  position:absolute;inset:0;z-index:6;display:flex;flex-direction:column;justify-content:center;gap:var(--sp-3);
  padding:var(--sp-6);text-align:center;align-items:center;
  background:radial-gradient(circle at 50% 45%,rgba(16,20,22,.72),rgba(7,9,10,.92));
}
.ov-title{font-family:var(--font-display);font-weight:700;font-size:clamp(19px,1.4vw + 14px,24px);letter-spacing:-.02em}
.ov-text{color:var(--ink-2);font-size:13.5px;max-width:42ch}
.ov-actions{display:flex;flex-wrap:wrap;gap:var(--sp-2);justify-content:center;margin-top:var(--sp-2)}
.file-btn{cursor:pointer}
.ov-warn{margin-top:var(--sp-2);font-size:12.5px;color:var(--warn);max-width:46ch;border:1px solid rgba(255,180,87,.3);background:rgba(255,180,87,.08);border-radius:var(--radius);padding:8px 10px}

/* controls */
.controls{margin-top:var(--sp-4);display:grid;gap:var(--sp-3)}
.ctrl-row{display:flex;gap:var(--sp-3);align-items:center;flex-wrap:wrap}
.ctrl-main{justify-content:space-between;border:1px solid var(--line);border-radius:var(--radius-lg);padding:var(--sp-3);background:rgba(255,255,255,.02)}
.ctrl-stack{display:flex;flex-direction:column;gap:var(--sp-2);flex:1 1 150px;min-width:0}
.ctrl-stack .btn{width:100%}
.shutter{
  width:64px;height:64px;border-radius:50%;border:2px solid var(--line-2);background:rgba(255,255,255,.04);
  display:grid;place-items:center;cursor:pointer;flex:none;transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease),background-color var(--dur) var(--ease)
}
.shutter span{width:46px;height:46px;border-radius:50%;background:var(--accent);transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease)}
.shutter:hover:not([disabled]){border-color:var(--accent)}
.shutter:active:not([disabled]){transform:scale(.96)}
.shutter[disabled]{opacity:.4;cursor:not-allowed}
.shutter[disabled] span{background:var(--ink-3)}
.ctrl-fields{gap:var(--sp-3)}
.field{display:flex;flex-direction:column;gap:5px;min-width:0;flex:0 0 130px}
.field.grow{flex:1 1 220px}
.field > span{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.field select,.field input{
  min-height:42px;padding:9px 11px;border:1px solid var(--line-2);border-radius:var(--radius);
  background:var(--surface);color:var(--ink);font:500 14px var(--font-body);width:100%
}
.field select:focus,.field input:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px rgba(201,242,77,.16)}
.field input::placeholder{color:var(--ink-3)}

/* right panel */
.panel{display:grid;gap:var(--sp-3);min-width:0}
.panel-block{border:1px solid var(--line);border-radius:var(--radius-lg);padding:var(--sp-4);background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(255,255,255,.005))}
.panel-head{display:flex;align-items:baseline;justify-content:space-between;gap:var(--sp-2);margin-bottom:var(--sp-3)}
.panel-head h2{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);font-weight:400;margin:0}
.panel-meta{font-family:var(--font-mono);font-size:11px;color:var(--accent);letter-spacing:.06em}
.hint{font-size:12.5px;color:var(--ink-3);line-height:1.55}
.hint + .hint{margin-top:var(--sp-2)}
.hint code{font-size:11.5px}
.export-note{color:var(--ok);margin-top:var(--sp-2)}

/* shot thumbnails */
.shots{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;max-height:290px;overflow:auto;padding-right:2px;scrollbar-width:thin}
.shots-empty{grid-column:1/-1;font-size:12.5px;color:var(--ink-3);line-height:1.55;margin:0}
.shot{position:relative;aspect-ratio:1/1;border:1px solid var(--line);border-radius:3px;overflow:hidden;padding:0;width:100%;background:#0d1011;cursor:zoom-in;display:block;font:inherit;color:inherit}
.shot:hover{border-color:var(--line-2)}
.shot:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.shot img{width:100%;height:100%;object-fit:cover}
.shot-index{position:absolute;left:3px;bottom:3px;font-family:var(--font-mono);font-size:9px;letter-spacing:.06em;background:rgba(8,10,11,.8);color:var(--ink);padding:1px 4px;border-radius:2px}
.shot-del{
  position:absolute;top:2px;right:2px;width:20px;height:20px;border-radius:2px;border:1px solid rgba(255,122,102,.5);
  background:rgba(8,10,11,.85);color:var(--danger);font-family:var(--font-mono);font-size:12px;line-height:1;cursor:pointer;display:grid;place-items:center
}
.shot-del:hover{background:var(--danger);color:#1a0c0a}
.shot.is-new{animation:pop 320ms var(--ease)}
@keyframes pop{0%{transform:scale(.82);opacity:0}100%{transform:scale(1);opacity:1}}

/* coverage */
.cover{height:8px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;border:1px solid var(--line)}
.cover-bar{height:100%;width:0;background:linear-gradient(90deg,rgba(201,242,77,.55),var(--accent));transition:width 260ms var(--ease)}
.cover + .hint{margin-top:var(--sp-2)}

/* tips */
.tips{margin:0;padding-left:18px;display:grid;gap:6px;font-size:12.5px;color:var(--ink-2)}
.tips li::marker{color:var(--accent);font-family:var(--font-mono);font-size:11px}

/* next steps */
.next-steps{border-top:1px solid var(--line)}
.next-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--sp-4)}
.next-grid li{border-top:2px solid var(--line-2);padding-top:var(--sp-4)}
.next-grid h3{font-size:16px;margin:6px 0 8px}
.next-grid p{font-size:13.5px;color:var(--ink-2)}
.next-links{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-top:var(--sp-8)}

/* viewer dialog */
.viewer{
  border:1px solid var(--line-2);border-radius:var(--radius-lg);background:#0a0c0d;color:var(--ink);
  padding:var(--sp-3);max-width:min(900px,94vw);width:100%;
}
.viewer::backdrop{background:rgba(4,5,6,.82);backdrop-filter:blur(4px)}
.viewer-top{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);margin-bottom:var(--sp-2)}
.viewer-meta{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--ink-2)}
.viewer img{width:100%;height:auto;max-height:70vh;object-fit:contain;background:#07090a;border-radius:3px}
.viewer-bar{display:flex;flex-wrap:wrap;gap:var(--sp-2);justify-content:center;margin-top:var(--sp-3)}
.viewer-bar .btn{flex:1 1 110px}

/* responsive */
@media (max-width:1024px){
  .studio{grid-template-columns:1fr}
  .panel{grid-template-columns:repeat(2,minmax(0,1fr))}
  .panel-block:first-child{grid-column:1/-1}
  .shots{grid-template-columns:repeat(6,minmax(0,1fr));max-height:none}
  .panel-block:last-child{grid-column:1/-1}
}
@media (max-width:760px){
  .stage{aspect-ratio:3/4}
  .controls{padding-bottom:var(--sp-2)}
  .ctrl-main{gap:var(--sp-2);padding:var(--sp-2)}
  .ctrl-stack{flex:1 1 100%}
  .ctrl-stack .btn{min-height:40px}
  .shutter{width:56px;height:56px;order:-1}
  .shutter span{width:40px;height:40px}
  .panel{grid-template-columns:1fr}
  .shots{grid-template-columns:repeat(4,minmax(0,1fr))}
  .next-grid{grid-template-columns:1fr 1fr}
  .field{flex:1 1 100%}
}
@media (max-width:420px){
  .shots{grid-template-columns:repeat(3,minmax(0,1fr))}
  .next-grid{grid-template-columns:1fr}
  .stage-hud{font-size:9px;padding:6px 7px}
  .guide svg{width:86%}
}

/* ---------- 3D model (GLB) block ---------- */
#modelPanel .preview-wrap{
  position:relative;margin-top:var(--sp-3);aspect-ratio:4/3;border:1px solid var(--line-2);
  border-radius:var(--radius);overflow:hidden;background:
    radial-gradient(circle at 50% 40%,rgba(201,242,77,.07),transparent 62%),
    linear-gradient(160deg,#0b0e0f,#07090a);
  background-size:auto,auto;
}
#modelPanel .preview-wrap::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:28px 28px;
}
#preview{width:100%;height:100%;display:block;touch-action:none;position:relative;z-index:1}
.preview-empty{
  position:absolute;inset:0;z-index:2;display:grid;place-items:center;margin:0;padding:var(--sp-4);
  text-align:center;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-3);
}
.preview-empty[hidden]{display:none}
.model-stats{
  margin-top:var(--sp-3);padding-top:var(--sp-3);border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:10.5px;line-height:1.7;color:var(--ink-2);
}
.model-actions{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-2);margin-top:var(--sp-3)}
.model-actions .btn{min-height:38px;font-size:12.5px;padding:8px 10px}
#btnSpin{width:100%;margin-top:var(--sp-2);font-size:11.5px;min-height:34px;padding:7px 10px;color:var(--ink-2)}
#modelPanel .panel-head + .hint{margin-top:var(--sp-2)}
@media (max-width:420px){
  .model-actions{grid-template-columns:1fr}
}

/* build stamp in the footer */
.build-tag{font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);opacity:.75}