:root{--bg-dark: #111827;--accent: #F59E0B;--danger: #EF4444;--text: #FFFFFF;--panel: rgba(17, 24, 39, .92);--line: rgba(255, 255, 255, .14);--muted: rgba(255, 255, 255, .62);--pad: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;height:100%;overflow:hidden;background:var(--bg-dark);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;overscroll-behavior:none;touch-action:manipulation}#scene{position:fixed;inset:0;width:100%;height:100%;display:block}.screen{position:fixed;inset:0;z-index:20;display:flex;align-items:center;justify-content:center;padding:20px;background:radial-gradient(120% 90% at 50% 0%,#1c2536 0%,var(--bg-dark) 62%);overflow-y:auto}.screen[hidden]{display:none}.overlay{background:#080c14db;backdrop-filter:blur(4px)}.panel{width:100%;max-width:420px;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px 20px 24px;box-shadow:0 24px 60px #00000080}.logo{margin:0 0 4px;font-size:30px;line-height:1.02;letter-spacing:.5px;font-weight:800}.logo span{display:block;color:var(--accent);font-size:22px;letter-spacing:3px}.tagline{margin:0 0 18px;color:var(--muted);font-size:14px}.field-label{margin:16px 0 7px;font-size:12px;letter-spacing:1.4px;text-transform:uppercase;color:var(--muted)}.text-input{width:100%;height:50px;padding:0 14px;font-size:17px;color:var(--text);background:#ffffff0f;border:1px solid var(--line);border-radius:12px;outline:none}.text-input:focus{border-color:var(--accent)}.code-input{text-transform:uppercase;letter-spacing:8px;font-weight:700;text-align:center;font-size:22px}.inline-error{margin:8px 0 0;color:var(--danger);font-size:14px;font-weight:600}.inline-error[hidden]{display:none}.status-line{margin:14px 0 0;color:var(--muted);font-size:14px;text-align:center}.status-line[hidden]{display:none}.status-line.is-error{color:var(--danger);font-weight:600}.avatar-row{display:flex;gap:8px}.avatar{flex:1;height:56px;border-bottom:4px solid var(--car, transparent);font-size:26px;line-height:1;background:#ffffff0d;border:2px solid transparent;border-radius:12px;cursor:pointer;transition:transform .08s ease,border-color .12s ease}.avatar[aria-checked=true]{border-color:var(--accent);background:#f59e0b29}.avatar:active{transform:scale(.95)}.button-row{display:flex;gap:10px;margin-top:22px}.btn{flex:1;min-height:52px;padding:0 16px;font-size:16px;font-weight:700;color:var(--text);border:1px solid var(--line);border-radius:12px;background:#ffffff0f;cursor:pointer}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#1a1205}.btn-ghost{background:transparent}.btn-tiny{flex:0 0 auto;min-height:36px;font-size:13px;padding:0 12px}.btn[disabled]{opacity:.5;cursor:default}#btn-start,#btn-leave,#btn-menu,#btn-join-confirm{width:100%;margin-top:14px}.mp-panel{margin-top:4px}.mp-panel[hidden]{display:none}.mp-panel .button-row{margin-top:12px}.join-panel{margin-top:16px;padding-top:4px;border-top:1px dashed var(--line)}.join-panel[hidden]{display:none}.code-display{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;background:#f59e0b1f;border:1px solid rgba(245,158,11,.4);border-radius:12px;margin-bottom:14px}#lobby-code{font-size:32px;font-weight:800;letter-spacing:8px;color:var(--accent)}.player-list{list-style:none;margin:0;padding:0}.player-list li{display:flex;align-items:center;gap:10px;padding:11px 12px;margin-bottom:8px;background:#ffffff0d;border:1px solid var(--line);border-radius:10px;font-size:15px}.player-list .tag{margin-left:auto;font-size:11px;letter-spacing:1px;color:var(--muted)}.player-list .emoji{font-size:20px;line-height:1;padding-bottom:2px;border-bottom:3px solid var(--car, transparent)}.result-title{margin:0 0 6px;font-size:26px;color:var(--accent)}#hud{position:fixed;inset:0;z-index:10;pointer-events:none}#hud[hidden]{display:none}.hud-top{position:absolute;top:calc(10px + env(safe-area-inset-top,0px));left:0;right:0;display:flex;align-items:center;justify-content:center;gap:12px;padding:0 66px 0 12px}.hud-speed{min-width:148px;text-align:center;padding:8px 14px;font-size:15px;font-weight:600;color:var(--muted);background:#111827b8;border:1px solid var(--line);border-radius:999px}.hud-speed #hud-speed{font-size:28px;font-weight:800;color:var(--text);margin-right:4px;font-variant-numeric:tabular-nums}.hud-chip{padding:8px 12px;font-size:13px;font-weight:700;color:var(--muted);background:#111827b8;border:1px solid var(--line);border-radius:999px;font-variant-numeric:tabular-nums}.hud-timer{color:var(--text);min-width:92px;text-align:center;letter-spacing:.2px}.hud-chip[hidden]{display:none}.controls{position:absolute;bottom:calc(18px + var(--pad));display:flex;gap:10px;pointer-events:auto}.controls-left{left:14px;align-items:flex-end}.controls-right{right:14px;flex-direction:column;align-items:flex-end}.pedals{display:flex;gap:10px}.pad{width:clamp(64px,19vw,88px);height:clamp(64px,19vw,88px);min-width:64px;min-height:64px;display:inline-flex;align-items:center;justify-content:center;padding:0;font-size:clamp(12px,3.4vw,16px);font-weight:800;letter-spacing:.5px;color:var(--text);background:#1f2937d1;border:2px solid rgba(255,255,255,.22);border-radius:50%;touch-action:none;user-select:none;cursor:pointer}.pad.is-pressed,.pad:active{background:#f59e0bd9;color:#1a1205}.pad-steer{font-size:clamp(24px,7vw,32px);line-height:1}.pad-gas{background:#22c55e47;border-color:#22c55ebf;width:clamp(74px,22vw,100px);height:clamp(74px,22vw,100px)}.pad-brake{background:#ef44443d;border-color:#ef4444b3}.pad-nos{margin-bottom:10px;background:#38bdf842;border-color:#38bdf8bf;font-variant-numeric:tabular-nums}.pad-nos[disabled],.pad-nos.is-cooling{background:#5a626e99;border-color:#ffffff2e;color:#ffffff8c;cursor:default}.pad-nos.is-cooling.is-pressed{background:#5a626e99;color:#ffffff8c}.key-hint{position:absolute;bottom:calc(6px + var(--pad));left:0;right:0;text-align:center;margin:0;font-size:11px;color:#ffffff59}.loading-box{width:100%;max-width:340px;text-align:center}.loading-title{margin:18px 0 4px;font-size:18px;font-weight:700}.loading-step{margin:0 0 16px;font-size:13px;color:var(--muted)}.loading-bar{height:4px;background:#ffffff1f;border-radius:999px;overflow:hidden}.loading-bar>div{height:100%;width:0;background:var(--accent);border-radius:999px;transition:width .25s ease}.spinner{width:46px;height:46px;margin:0 auto;border:3px solid rgba(255,255,255,.15);border-top-color:var(--accent);border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){.spinner{animation-duration:3s}}.attribution{margin:18px 0 0;font-size:11px;line-height:1.5;color:#ffffff6b;text-align:center}.link-btn{display:block;width:100%;margin-top:16px;padding:10px;font-size:13px;font-weight:600;color:var(--muted);background:none;border:none;border-top:1px solid var(--line);cursor:pointer}.link-btn:hover{color:var(--text)}.link-btn[disabled]{opacity:.6;cursor:default}.diag{margin-top:10px}.diag[hidden]{display:none}.diag-list{list-style:none;margin:0 0 12px;padding:0}.diag-list li{display:flex;align-items:flex-start;gap:9px;padding:9px 11px;margin-bottom:6px;font-size:13px;line-height:1.35;background:#ffffff0d;border:1px solid var(--line);border-radius:9px}.diag-list .mark{flex:0 0 auto;font-weight:800}.diag-list .ok .mark,.diag-list li.ok .mark{color:#22c55e}.diag-list li.bad .mark{color:var(--danger)}.diag-list .label{font-weight:700}.diag-list .detail{color:var(--muted)}.diag-verdict{margin:0;padding:11px 12px;font-size:13px;line-height:1.45;background:#f59e0b1f;border:1px solid rgba(245,158,11,.35);border-radius:9px}.diag-verdict.is-good{background:#22c55e1f;border-color:#22c55e59}.top-controls{position:fixed;top:calc(10px + env(safe-area-inset-top,0px));right:calc(10px + env(safe-area-inset-right,0px));z-index:60;display:flex;gap:8px}.icon-btn{width:46px;height:46px;min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0;font-size:20px;line-height:1;color:var(--text);background:#111827d1;border:1px solid var(--line);border-radius:12px;cursor:pointer}.icon-btn:active{transform:scale(.95)}.icon-btn[hidden]{display:none}.icon-btn[aria-pressed=true]{color:var(--muted);border-color:#ffffff4d;background:#1f2937e6}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;font-size:14px;background:#ffffff0d;border:1px solid var(--line);border-radius:10px}#btn-settings-close{width:100%;margin-top:18px}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%);z-index:40;padding:12px 18px;max-width:90vw;font-size:14px;font-weight:600;background:var(--danger);border-radius:10px;box-shadow:0 10px 30px #00000073}.toast[hidden]{display:none}@media (max-width: 400px){.hud-top{gap:6px;padding-right:58px}.hud-speed{min-width:116px;padding:8px 9px}.hud-speed #hud-speed{font-size:23px}.hud-chip{padding:8px 7px;font-size:11px}.hud-timer{min-width:78px}}@media (max-height: 460px){.panel{padding:16px}.icon-btn{width:44px;height:44px;font-size:18px}.logo{font-size:22px}.logo span{font-size:16px}.field-label{margin-top:10px}.text-input,.btn{height:46px;min-height:46px}.avatar{height:46px;font-size:22px}.key-hint{display:none}}@media (hover: hover) and (pointer: fine){.pad{opacity:.85}}.time-picker{display:flex;align-items:center;gap:8px;margin:16px 0}.time-picker .field-label{margin:0 auto 0 0}.time-picker button{min-height:44px;padding:8px 16px;border:1px solid #435b70;border-radius:12px;background:#182a3b;color:#d6e5ed;font:inherit;cursor:pointer}.time-picker button[aria-pressed=true]{background:#f4ce77;border-color:#f4ce77;color:#172d38;font-weight:700}.time-picker button:focus-visible{outline:3px solid #71d5e5;outline-offset:3px}html[data-time-of-day=day] body{background:radial-gradient(ellipse at 20% 0%,#234f60,#101c2b 70%)}html[data-time-of-day=night] body{background:radial-gradient(ellipse at 80% 0%,#173257,#090f1d 70%)}#btn-pause{position:fixed;right:12px;top:calc(env(safe-area-inset-top,0px) + 66px)}#pause-menu{z-index:100}.pause-panel .btn{width:100%;margin-top:10px;min-height:48px}.pause-panel .btn:disabled{opacity:.45;cursor:default}.pause-panel{margin:auto}.hud-top{justify-content:space-between}.race-map{position:absolute;left:12px;top:calc(env(safe-area-inset-top,0px) + 76px);width:146px;padding:7px;border:1px solid #7898ab55;border-radius:12px;background:#0b1d29e8;pointer-events:none;box-shadow:0 4px 12px #0003}.map-caption{display:flex;justify-content:space-between;font-size:8px;letter-spacing:.7px;color:#aec9d5;margin-bottom:5px}.map-caption strong{color:#fff;font-size:8px}#minimap{width:130px;height:142px;display:block;border-radius:6px}#map-legend{display:grid;grid-template-columns:1fr 1fr;gap:4px 5px;padding:0;margin:6px 0 0;list-style:none}#map-legend li{display:flex;align-items:center;gap:3px;min-width:0;font-size:9px;color:#c2d4de}#map-legend li.is-self{color:#fff;font-weight:700}.map-number{display:inline-flex;align-items:center;justify-content:center;width:13px;height:13px;flex-shrink:0;border-radius:50%;color:#081823;font-size:9px;font-weight:700}.is-self .map-number{outline:1px solid white}.map-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media (max-width:400px) and (min-height:461px){.race-map{width:132px}#minimap{width:116px;height:126px}}@media (max-height:460px){.race-map{width:112px;padding:5px;top:calc(env(safe-area-inset-top,0px) + 72px)}#minimap{width:100px;height:100px}#map-legend{display:none}.map-caption{font-size:7px;letter-spacing:0;margin-bottom:3px}}.avatar-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.avatar{min-width:0;height:88px;padding:3px 3px 7px;display:flex;flex-direction:column;justify-content:center;align-items:center;border-bottom:3px solid var(--car)}.avatar svg{width:100%;max-height:57px;display:block}.car-choice-name{font-size:10px;color:#e7f2f6;letter-spacing:.1px;font-weight:700;white-space:nowrap}.avatar:focus-visible{outline:2px solid #c8f2ff;outline-offset:2px}#menu .panel{margin:auto}.car-description{margin:8px 0 0;color:#b7ccd5;font-size:11px;line-height:1.4}#steering-pad{--steer: 0;touch-action:none;user-select:none}.steering-hint{position:absolute;bottom:calc(100% + 24px);width:100%;text-align:center;font-size:9px;letter-spacing:1px;color:#c9d7e4;pointer-events:none}.steering-track{position:absolute;left:9%;right:9%;bottom:calc(100% + 12px);height:3px;border-radius:3px;background:#d2e3f044;pointer-events:none}.steering-track:before{content:"";position:absolute;left:50%;height:9px;width:1px;top:-3px;background:#d2e3f077}.steering-track i{position:absolute;left:calc(50% + var(--steer) * 50%);top:-3px;width:9px;height:9px;border-radius:50%;background:#fbbf24;transform:translate(-50%)}.pad-steer:active:not(.is-pressed){background:#1f2937d1;color:var(--text)}.steering-hint{background:#142333d9;border-radius:6px;padding:3px 0;color:#edf4fa}