/* Structural Vision app styles. Tokens from design/tokens.css; overlay colours follow plan.md 7.6. Inter is self-hosted (OFL-1.1). */
@font-face{font-family:"Inter";src:url(fonts/Inter-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Inter";src:url(fonts/Inter-Medium.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Inter";src:url(fonts/Inter-SemiBold.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Inter";src:url(fonts/Inter-Bold.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Inter Display";src:url(fonts/InterDisplay-SemiBold.woff2) format("woff2");font-weight:600;font-display:swap}
:root{--ground:#EEF1F2;--surface:#FFFFFF;--ink:#1B2226;--ink-2:#4A555B;--hairline:#CDD5D9;--accent:#1F5C66;--accent-tint:#E1ECEE;--video:#11161A;--danger:#9B2C2C;
--gravity:#00E5FF;--force:#FF5000;--left:#7C5CFF;--right:#3CDC3C;--proj:#FF3EA5;--swirl:#F0E442;--style:#6D4C41;--safe-b:env(safe-area-inset-bottom,0px);--safe-t:env(safe-area-inset-top,0px)}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;background:var(--ground)}
body{font-family:"Inter",system-ui,sans-serif;color:var(--ink);-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.4;overscroll-behavior:none}
button,select,input{font:inherit;color:inherit}
#app{max-width:520px;margin:0 auto;min-height:100%;display:flex;flex-direction:column;padding-top:var(--safe-t)}
.bar{display:flex;align-items:center;gap:8px;padding:10px 12px;min-height:56px}
.bar h1{font-family:"Inter Display","Inter",sans-serif;font-weight:600;font-size:20px;line-height:1.2}
.bar .sub{font-size:13px;color:var(--ink-2)}
.bar .grow{flex:1;min-width:0}
.iconbtn{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;border:0;background:transparent;cursor:pointer}
.iconbtn.boxed{border:1.5px solid var(--accent);color:var(--accent)}
.iconbtn svg{width:24px;height:24px}
.page{padding:0 16px 24px;display:flex;flex-direction:column;gap:14px}
.card{background:var(--surface);border-radius:16px;padding:16px;border:1px solid var(--hairline)}
.card h2{font-size:17px;font-weight:600;margin-bottom:6px}
.card p,.muted{color:var(--ink-2);font-size:14px}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;min-height:52px;border-radius:14px;border:1.5px solid var(--accent);background:var(--surface);color:var(--accent);font-weight:600;font-size:16px;padding:0 16px;cursor:pointer;width:100%;text-decoration:none}
.btn.primary{background:var(--accent);color:#fff}
.btn.danger{border-color:var(--danger);color:var(--danger)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.row{display:flex;gap:10px;align-items:center}
.row>*{flex:1}
.seg{display:flex;background:var(--accent-tint);border-radius:12px;padding:3px;gap:3px}
.seg button{flex:1;border:0;background:transparent;border-radius:9px;min-height:40px;font-weight:600;font-size:14px;cursor:pointer;color:var(--ink-2)}
.seg button[aria-pressed=true]{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.12)}
label.field{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:500}
label.check{display:flex;gap:10px;align-items:flex-start;font-size:14px}
label.check input{width:22px;height:22px;margin-top:1px;accent-color:var(--accent)}
input[type=text],select{min-height:46px;border-radius:12px;border:1px solid var(--hairline);background:var(--surface);padding:0 12px}
input[type=range]{width:100%;accent-color:var(--accent)}
.list{display:flex;flex-direction:column;gap:8px}
.item{display:flex;gap:12px;align-items:center;background:var(--surface);border:1px solid var(--hairline);border-radius:14px;padding:12px;cursor:pointer;text-align:left;width:100%}
.item .t{font-weight:600}
.item .s{font-size:13px;color:var(--ink-2)}
.empty{color:var(--ink-2);font-size:14px;text-align:center;padding:16px}
.pill{display:inline-flex;align-items:center;font-size:12px;font-weight:600;line-height:1;padding:4px 8px;border-radius:999px;white-space:nowrap}
.pill.MEASURED{background:#555555;color:#fff}.pill.INFERRED{background:#00E5FF;color:#000}.pill.STYLE{background:#6D4C41;color:#fff}
.stage{position:relative;background:var(--video);width:100%;overflow:hidden;touch-action:pan-y}
.stage video,.stage canvas{position:absolute;inset:0;width:100%;height:100%}
.stage video{object-fit:contain}
.stage .badge{position:absolute;left:10px;bottom:10px;background:#fff;color:var(--ink);font-size:12px;font-weight:600;padding:4px 8px;border-radius:6px;border:1.5px dashed #5E6A70;z-index:2}
.chips{display:flex;flex-wrap:wrap;gap:8px;padding:12px 16px}
.chip{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 12px;border-radius:12px;border:1.5px solid #8C979D;background:var(--surface);font-size:14px;font-weight:500;cursor:pointer}
.chip[aria-pressed=false]{border-style:dashed;color:var(--ink-2);background:transparent}
.chip canvas{width:30px;height:18px;border-radius:4px;background:var(--video)}
.readout{display:flex;flex-direction:column;gap:8px;padding:0 16px}
.rline{display:flex;gap:10px;align-items:flex-start;background:var(--surface);border:1px solid var(--hairline);border-radius:14px;padding:12px;text-align:left;width:100%;cursor:pointer}
.rline .txt{flex:1;font-size:15px}
.rline .when{font-size:13px;font-weight:600;color:var(--accent);background:var(--accent-tint);padding:6px 8px;border-radius:8px}
.caveat{display:flex;gap:8px;align-items:flex-start;font-size:14px;font-weight:500;padding:10px 16px;background:var(--surface);border-top:1px solid var(--hairline)}
.dock{position:sticky;bottom:0;background:var(--ground);border-top:1px solid var(--hairline);padding:8px 16px calc(10px + var(--safe-b));z-index:5}
.timeline{position:relative;height:44px;margin:4px 0}
.timeline canvas{position:absolute;inset:0;width:100%;height:100%;border-radius:8px}
.timeline input{position:absolute;inset:0;width:100%;height:100%;opacity:.01;cursor:pointer}
.ticks{position:relative;height:18px;font-size:11px;font-weight:600}
.ticks button{position:absolute;transform:translateX(-50%);border:0;background:none;color:var(--ink);font-size:11px;font-weight:600;white-space:nowrap;cursor:pointer;padding:0 2px}
.times{display:flex;justify-content:space-between;font-size:12px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.ctrls{display:flex;align-items:center;gap:10px;margin-top:6px}
.ctrls .seg{flex:1}
.play{width:56px;height:56px;border-radius:50%;background:var(--accent);color:#fff;border:0;display:flex;align-items:center;justify-content:center;cursor:pointer}
.step{width:44px;height:44px;border-radius:12px;background:var(--accent-tint);border:0;display:flex;align-items:center;justify-content:center;cursor:pointer}
.progress{height:10px;background:var(--accent-tint);border-radius:5px;overflow:hidden}
.progress>div{height:100%;background:var(--accent);width:0;transition:width .2s}
.steps li{list-style:none;padding:6px 0;color:var(--ink-2);font-size:15px}
.steps li.on{color:var(--ink);font-weight:600}
.steps li.done{color:var(--accent)}
.qc{font-size:14px;padding:10px 12px;border-radius:12px;background:#FFF6E0;border:1px solid #E8C66A}
.qc.reject{background:#FDECEC;border-color:#E3A0A0}
.camwrap{position:relative;background:#000;border-radius:16px;overflow:hidden;aspect-ratio:3/4}
.camwrap video,.camwrap canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.camwrap .guide{position:absolute;left:50%;top:6%;height:88%;transform:translateX(-50%);opacity:.5;pointer-events:none}
.camwrap .msg{position:absolute;left:10px;right:10px;bottom:10px;background:rgba(0,0,0,.65);color:#fff;border-radius:10px;padding:8px 10px;font-size:14px;font-weight:600;text-align:center}
.sheet{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:flex-end;justify-content:center;z-index:20}
.sheet>div{background:var(--ground);width:100%;max-width:520px;border-radius:20px 20px 0 0;padding:16px 16px calc(16px + var(--safe-b));max-height:85vh;overflow:auto;display:flex;flex-direction:column;gap:12px}
.teacher{font-size:13px;font-family:ui-monospace,Menlo,monospace;white-space:pre-wrap;background:var(--surface);border:1px dashed var(--accent);border-radius:12px;padding:10px;margin:0 16px}
.footer-note{font-size:13px;color:var(--ink-2);font-style:italic;padding:8px 16px 16px}
.hidden{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
a{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
#pst{aspect-ratio:16/9}

.bigplay{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:88px;height:88px;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;border:3px solid #fff;display:flex;align-items:center;justify-content:center;z-index:4;cursor:pointer;box-shadow:0 4px 18px rgba(0,0,0,.4)}
.bigplay svg{width:44px;height:44px;margin-left:5px}
.bigplay.hidden{display:none}