:root{--bg:#f5f6f8;--surface:#fff;--text:#16181d;--muted:#555b66;--border:#d4d8df;--accent:#0b57d0;--accent-text:#fff;--over:#b3261e;--under:#146c2e;--focus:#0b57d0;--radius:14px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.45}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#16181d;--surface:#22252c;--text:#eef0f3;--muted:#b4bac4;--border:#3a3f49;--accent:#a8c7fa;--accent-text:#0a1f44;--over:#ffb4ab;--under:#7fd48f;--focus:#a8c7fa}}*,:before,:after{box-sizing:border-box}body{background:var(--bg);color:var(--text);padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);margin:0}main,.app-header{max-width:640px;margin:0 auto;padding:0 16px}.app-header{padding-top:16px}h1{margin:0;font-size:1.5rem}h2{margin:0;font-size:1.1rem}.tagline,.hint{color:var(--muted);margin:4px 0 12px;font-size:.95rem}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;overflow:hidden;position:absolute!important}.skip-link{background:var(--accent);color:var(--accent-text);z-index:10;border-radius:8px;padding:8px 12px;position:absolute;top:-48px;left:8px}.skip-link:focus{top:8px}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.stage{aspect-ratio:3/4;border-radius:var(--radius);background:#000;place-items:center;width:100%;max-height:60vh;display:grid;position:relative;overflow:hidden}.stage video,.stage img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.target{pointer-events:none;border:3px solid #fff;border-radius:6px;outline:2px solid #000;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 0 0 100vmax #00000040}.stage-msg{color:#fff;text-align:center;max-width:32ch;margin:0;padding:16px;position:relative}.actions{grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 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var(--text);width:14px;box-shadow:0 0 0 2px var(--surface);border-radius:4px;transition:left .15s ease-out}.notes{color:var(--muted);margin:12px 0 0;padding-left:20px}.notes li+li{margin-top:4px}.settings summary{cursor:pointer;align-items:center;min-height:44px;font-size:1.1rem;font-weight:700;display:flex}fieldset{border:0;margin:16px 0;padding:0}legend{padding:0;font-weight:700}.stops{gap:10px;margin:0 0 12px;padding:0;list-style:none;display:grid}.stop{border:1px solid var(--border);border-radius:12px;grid-template-columns:52px 1fr auto;grid-template-areas:"colour value value""scan scan remove";align-items:center;gap:8px;padding:10px;display:grid}.stop input[type=color]{grid-area:colour}.stop .stop-value{grid-area:value}.stop .scan-btn{grid-area:scan}.stop .btn.ghost{grid-area:remove}@media (width>=520px){.stop{grid-template-columns:52px 1fr auto auto;grid-template-areas:"colour value scan remove"}}input[type=color]{border:1px solid 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