:root{--bg:#0b0d10;--panel:#0e1116e0;--line:#ffffff1f;--text:#e9ecef;--muted:#9aa3ad;--accent:#ffb020;--danger:#ff4b3a;color:var(--text);font-family:Segoe UI,system-ui,-apple-system,Roboto,Arial,sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;margin:0;overflow:hidden}#stage,#stage canvas{width:100%;height:100%;display:block;position:fixed;inset:0}.overlay{z-index:20;background:radial-gradient(#00000059,#000000bf);justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.overlay[hidden]{display:none}#menu{background:linear-gradient(160deg,#1c2a1d 0%,#0e1318 55%,#1e1622 100%);align-items:flex-start;overflow-y:auto}.panel{background:var(--panel);border:1px solid var(--line);text-align:center;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-radius:14px;width:100%;max-width:420px;padding:28px 32px;box-shadow:0 20px 60px #00000080}.panel.wide{text-align:left;max-width:880px;margin:auto 0}h1{letter-spacing:-.02em;background:linear-gradient(90deg,#ffd35c,#ff7a1a);color:#0000;-webkit-background-clip:text;background-clip:text;margin:0 0 4px;font-size:clamp(36px,7vw,64px);font-style:italic;font-weight:900}h2{text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin:22px 0 10px;font-size:15px}.panel:not(.wide) h2{color:var(--text);letter-spacing:.04em;margin-top:0;font-size:22px}.tagline{color:var(--muted);margin:0 0 8px}.vehicles{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;display:grid}.vehicle{border:1px solid var(--line);cursor:pointer;background:#ffffff08;border-radius:10px;padding:12px;transition:border-color .15s,background .15s}.vehicle:hover{background:#ffffff12}.vehicle.selected{border-color:var(--accent);background:#ffb0201a}.vehicle .swatch{border:1px solid #ffffff4d;border-radius:3px;width:26px;height:10px;margin-bottom:8px}.vehicle .name{font-size:15px;font-weight:700}.vehicle .desc{color:var(--muted);margin-top:4px;font-size:12px}.grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px 18px;margin-top:22px;display:grid}label{color:var(--muted);flex-direction:column;gap:6px;font-size:13px;display:flex}.row{gap:6px;display:flex}input,select{color:var(--text);border:1px solid var(--line);font:inherit;background:#151a20;border-radius:8px;width:100%;padding:9px 10px;font-size:15px}input:focus,select:focus{outline:2px solid var(--accent);outline-offset:0}button{font:inherit;color:var(--text);border:1px solid var(--line);cursor:pointer;background:#232a33;border-radius:9px;padding:11px 20px;font-size:15px;font-weight:600}button:hover{background:#2c3540}button.small{padding:6px 12px}button.primary{color:#1a1206;background:linear-gradient(90deg,#ffb020,#ff7a1a);border:none}button.primary:hover{filter:brightness(1.08)}#start{width:100%;margin-top:26px;padding:14px;font-size:18px}.buttons{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:18px;display:flex}.controls{color:var(--muted);margin-top:18px;font-size:13px}.controls summary{cursor:pointer}.controls table{border-collapse:collapse;width:100%;margin-top:8px}.controls td{padding:4px 8px 4px 0}.controls td:nth-child(odd){color:var(--text);white-space:nowrap;font-weight:600}.spinner{border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;width:36px;height:36px;margin:0 auto 14px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.big{font-variant-numeric:tabular-nums;font-size:48px;font-weight:800}.detail{color:var(--muted);margin-top:6px;line-height:1.6}.detail .best{color:var(--accent);font-weight:700}#hud{pointer-events:none;z-index:5;text-shadow:0 1px 3px #000c;padding:14px 18px;position:fixed;top:0;left:0;right:0}#hud[hidden]{display:none}.hud-top{align-items:flex-start;gap:20px;display:flex}.hud-block{min-width:140px}.hud-block.right{text-align:right}.hud-label{text-transform:uppercase;letter-spacing:.14em;color:#ffffffb3;font-size:11px}.hud-time{font-variant-numeric:tabular-nums;font-size:32px;font-weight:800}.hud-clock{font-variant-numeric:tabular-nums;font-size:22px;font-weight:700}.hud-penalty{color:#ff9d8f;font-size:12px}.hud-progress{flex:1;max-width:520px;margin:0 auto;padding-top:10px}.hud-progress-track{background:#fff3;border-radius:3px;height:6px;overflow:hidden}#hud-progress-bar{background:var(--accent);width:0;height:100%}.hud-progress-labels{color:#ffffffbf;justify-content:space-between;margin-top:4px;font-size:11px;display:flex}#message{text-align:center;opacity:0;pointer-events:none;z-index:6;text-shadow:0 2px 10px #000000e6;font-size:34px;font-weight:800;transition:opacity .2s,transform .2s;position:fixed;top:30%;left:50%;transform:translate(-50%,-50%)scale(.9)}#message.show{opacity:1;transform:translate(-50%,-50%)scale(1)}#message.countdown{color:#fff;font-size:96px}#message.crash{color:#fff}#message .penalty{color:var(--danger);font-size:48px}#fade{opacity:0;pointer-events:none;z-index:4;background:#000;position:fixed;inset:0}@media (width<=600px){.panel{padding:20px 16px}.hud-block{min-width:0}.hud-time{font-size:24px}}canvas.gauge-overlay{z-index:3;pointer-events:none;border-radius:14px 14px 0 0;width:100%;height:auto;position:fixed;bottom:0;left:0;box-shadow:0 -6px 24px #0009}.hud-mute{color:#fffc;margin-top:2px;font-size:12px}.hud-mute[hidden]{display:none}