:root{--bg: #0d0d0d;--card: #181818;--card2: #222;--line: #2e2e2e;--text: #f2f2f2;--muted: #9a9a9a;--accent: #ff7a1a;--good: #3ccf6e;--bad: #ff4d4d;--warn: #ffc23d;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text)}body{font:15px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-tap-highlight-color:transparent}button,input{font:inherit;color:inherit}h2{font-size:16px;margin:0 0 8px}.small{font-size:13px;color:var(--muted)}.center{text-align:center;justify-content:center}.app{max-width:640px;margin:0 auto;min-height:100vh;padding-bottom:env(safe-area-inset-bottom)}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:calc(10px + env(safe-area-inset-top)) 16px 10px}.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:18px;letter-spacing:.3px}.brand img{width:28px;height:28px}.tabs{position:sticky;top:0;z-index:5;display:flex;gap:4px;padding:6px 16px;background:var(--bg);border-bottom:1px solid var(--line)}.tabs button{flex:1;background:none;border:0;padding:8px;border-radius:8px;color:var(--muted);font-weight:600;cursor:pointer}.tabs button.on{background:var(--card2);color:var(--text)}.page{padding:12px 16px 32px;display:flex;flex-direction:column;gap:12px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px}.card .small+.small{margin-top:4px}.card p{margin:4px 0 10px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:42px;padding:0 16px;border-radius:10px;border:1px solid var(--line);background:var(--card2);font-weight:600;cursor:pointer}.btn.primary{background:var(--accent);border-color:var(--accent);color:#111}.btn:disabled{opacity:.4;cursor:default}.btn.wide{width:100%;min-height:48px}.ghost-btn{background:none;border:0;color:var(--accent);font-weight:600;padding:8px;cursor:pointer}.chip{background:var(--card2);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:13px;cursor:pointer;white-space:nowrap}.chip.on{border-color:var(--accent);color:var(--accent)}.chip-spacer{width:90px}.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.seg{display:flex;background:var(--card2);border-radius:10px;padding:3px;margin:8px 0}.seg button{flex:1;border:0;background:none;padding:8px;border-radius:8px;color:var(--muted);font-weight:600;cursor:pointer}.seg button.on{background:var(--accent);color:#111}.fld{display:flex;flex-direction:column;gap:4px;margin:8px 0}.fld span{font-size:13px;color:var(--muted)}.fld input{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px;min-width:0}.fld input:focus{outline:2px solid var(--accent);border-color:transparent}.grid2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 10px}.preset-row{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:4px}.howto{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px}.step-head{display:flex;align-items:center;gap:8px}.step-head h2{margin:0;flex:1}.badge{font-weight:800;font-size:12px;background:var(--card2);border:1px solid var(--line);padding:2px 7px;border-radius:6px}.step.done .badge{background:var(--good);color:#111;border-color:var(--good)}.len{font-weight:700;font-variant-numeric:tabular-nums}.thumb-btn{display:block;width:100%;border:0;padding:0;background:none;margin-bottom:10px;cursor:pointer}.thumb{position:relative;width:100%;max-height:260px;border-radius:10px;overflow:hidden;background:#000}.thumb img,.thumb svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.summary strong{display:block;font-size:22px;font-variant-numeric:tabular-nums}.sum-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:8px}.missing{margin:4px 0 12px;padding-left:18px;color:var(--warn);font-size:13px}.hero{text-align:center}.hero .big{font-size:56px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums}.hero .big small{font-size:20px;color:var(--muted)}.hero-sub{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:14px}.hero.good{border-color:var(--good)}.hero.bad{border-color:var(--bad)}.pill{display:inline-block;margin-top:10px;padding:4px 12px;border-radius:999px;font-weight:700;font-size:13px}.pill.good{background:var(--good);color:#111}.pill.bad{background:var(--bad);color:#111}.stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stat{display:flex;flex-direction:column}.stat strong{font-size:20px;font-variant-numeric:tabular-nums}.stat.good strong{color:var(--good)}.stat.warn strong{color:var(--warn)}.advice{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:6px}.history{list-style:none;margin:0;padding:0}.history li{display:flex;align-items:center;gap:10px;padding:8px 0;border-top:1px solid var(--line)}.history li:first-child{border-top:0}.history li>div:first-child{flex:1}.h-vals{display:flex;flex-direction:column;align-items:flex-end;font-variant-numeric:tabular-nums}.modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;background:var(--bg);display:flex;flex-direction:column;padding:env(safe-area-inset-top) 12px env(safe-area-inset-bottom)}.modal>*{flex-shrink:0}.modal-bar{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:48px}.modal-bar .spacer{width:60px}.modal-hint{margin:0 0 6px;font-size:14px;color:var(--muted)}.modal-hint b{font-weight:700}.viewer{position:relative;flex:1 1 auto;min-height:200px;background:#000;border-radius:12px;overflow:hidden}.viewer video,.viewer .ghost{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:contain}.viewer .ghost{opacity:.35;pointer-events:none}.grid{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:linear-gradient(to right,transparent calc(33.33% - .5px),#fff4 calc(33.33% - .5px),#fff4 calc(33.33% + .5px),transparent calc(33.33% + .5px),transparent calc(66.66% - .5px),#fff4 calc(66.66% - .5px),#fff4 calc(66.66% + .5px),transparent calc(66.66% + .5px)),linear-gradient(to bottom,transparent calc(50% - .5px),#fff6 calc(50% - .5px),#fff6 calc(50% + .5px),transparent calc(50% + .5px))}.countdown{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;font-size:120px;font-weight:800;color:#fff;text-shadow:0 4px 20px #000}.cam-controls{display:flex;align-items:center;justify-content:space-between;padding:12px 4px 4px}.shutter{width:72px;height:72px;border-radius:50%;border:5px solid #fff;background:var(--accent);font-weight:700;color:#111;cursor:pointer}.shutter:disabled{opacity:.4}.cam-error{background:#2a1a12;border:1px solid #5a3a20;color:var(--warn);padding:12px;border-radius:10px;margin:8px 0}.file-buttons{display:flex;gap:8px;margin-bottom:8px}.file-buttons .btn{flex:1}.scrub{display:flex;align-items:center;gap:8px;padding:10px 0 6px}.scrub input{flex:1;accent-color:var(--accent)}.modal .row.center{justify-content:space-between;padding-bottom:8px}.mark-area{position:relative;flex:1 1 auto;min-height:200px;display:flex;align-items:center;justify-content:center;background:#000;border-radius:12px;overflow:hidden}.mark-stage{position:relative}.mark-stage img,.mark-stage svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;user-select:none;-webkit-user-select:none}.mark-stage svg{touch-action:none;cursor:crosshair}.loupe{position:absolute;top:8px;border-radius:50%;border:3px solid;pointer-events:none;box-shadow:0 4px 16px #000a}.point-chips{display:flex;flex-wrap:wrap;gap:6px;padding:8px 0 4px}.pchip{display:inline-flex;align-items:center;gap:6px;background:var(--card2);border:1px solid var(--line);border-radius:999px;padding:5px 10px;font-size:13px;cursor:pointer}.pchip i{width:10px;height:10px;border-radius:50%;background:var(--c)}.pchip.on{border-color:var(--c)}.mark-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:6px 0 10px}.nudge{display:flex;align-items:center;gap:4px}.nudge-col{display:flex;flex-direction:column;gap:4px}.nbtn{width:44px;height:38px;border-radius:8px;border:1px solid var(--line);background:var(--card2);font-size:18px;cursor:pointer;touch-action:none;user-select:none;-webkit-user-select:none}.mark-actions{display:flex;flex-direction:column;align-items:flex-end;gap:4px}