:root{color-scheme:dark;--bg:#090b0f;--card:#12161d;--line:#252b36;--text:#f3f5f7;--muted:#98a2b3;--accent:#ff334f;--good:#22c55e;--bad:#ef4444}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 20% -10%,#1d2430 0,transparent 35%),var(--bg);color:var(--text);font-family:Inter,system-ui,Segoe UI,Arial,sans-serif}.app{max-width:1280px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:18px}h1{margin:2px 0 4px;font-size:clamp(28px,5vw,48px)}p{margin:0;color:var(--muted)}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.16em;color:#c7ced8}.grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:16px}.side{display:grid;gap:16px;align-content:start}.card{background:rgba(18,22,29,.92);border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:0 16px 50px rgba(0,0,0,.22)}.camera-card{padding:12px}.camera-wrap{position:relative;aspect-ratio:1/1;max-width:760px;margin:0 auto;border-radius:13px;overflow:hidden;background:#030405;touch-action:none}.camera-wrap video,.camera-wrap canvas{position:absolute;inset:0;width:100%;height:100%}.camera-wrap video{object-fit:cover;transform-origin:center center;transition:transform .12s ease}.camera-wrap canvas{z-index:2}.camera-wrap video{z-index:1}.camera-wrap #cameraPlaceholder{position:absolute;z-index:3;inset:0;display:grid;place-items:center;color:var(--muted);padding:24px;text-align:center}.controls{margin-top:12px}.row{display:flex;gap:8px;align-items:center}.wrap{flex-wrap:wrap}.end{justify-content:flex-end}button{appearance:none;border:1px solid #343b48;background:#1a2029;color:#f4f6f8;border-radius:11px;padding:10px 13px;font-weight:750;cursor:pointer}button:hover{filter:brightness(1.12)}button.primary{background:var(--accent);border-color:var(--accent)}button.success{background:#123c24;border-color:#216b3b}button.danger{background:#47171a;border-color:#7d252b}.wide{width:100%;margin-top:10px}.pill{padding:9px 12px;border-radius:999px;font-size:13px;font-weight:800;border:1px solid var(--line)}.pill.on{background:#11391f;color:#a7f3c1}.pill.off{background:#311519;color:#fecaca}.advanced{margin-top:12px;border:1px solid var(--line);border-radius:12px;padding:10px 12px}.advanced summary{cursor:pointer;font-weight:800;color:#cbd3dd}.advanced-buttons{margin-top:10px}.sliders{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}.sliders label{font-size:12px;color:var(--muted)}input[type=range]{width:100%}.tracking-box{display:grid;gap:5px;margin-top:12px}.big-score{font-size:64px;line-height:1;font-weight:900;margin:10px 0 5px}.muted{color:var(--muted);font-size:13px}.score-actions{margin-top:14px}.visit-total{font-size:42px;font-weight:900;margin:8px 0}.darts{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.darts span{display:grid;place-items:center;border:1px solid var(--line);background:#0d1117;border-radius:10px;min-height:45px;font-weight:900}.stat-row{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:9px 0}.help{margin-top:16px}.help ol{margin:10px 0 4px;padding-left:23px;color:#dbe1e8}.help li{margin:6px 0}dialog{border:1px solid var(--line);border-radius:18px;background:var(--card);color:var(--text);max-width:650px;width:calc(100% - 30px)}dialog::backdrop{background:rgba(0,0,0,.72)}.dialog-box h2{margin-top:0}.score-buttons{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;margin-top:14px}.score-buttons button{padding:9px 4px}.score-buttons .special{grid-column:span 2}@media(max-width:900px){.app{padding:12px}.grid{grid-template-columns:1fr}.side{grid-template-columns:1fr 1fr}.stats{grid-column:1/-1}.sliders{grid-template-columns:1fr}header{align-items:flex-start}.pill{white-space:nowrap}.camera-wrap{max-width:100%}}@media(max-width:580px){.side{grid-template-columns:1fr}.stats{grid-column:auto}.score-buttons{grid-template-columns:repeat(5,1fr)}header{flex-direction:column}.app{padding:8px}.card{border-radius:14px}.controls button{flex:1 1 42%}.camera-wrap{max-width:100%}}