:root{--ink:#f2efe8;--ink-dim:#f2efe89e;--panel:#100e12e6;--edge:#ffffff1a;--accent:#ffc46b;--danger:#ff5a50;--ok:#5fd68a;--speed:#6ea8fe;--mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--force-h:264px;--force-limit-pct:80.6%}*{box-sizing:border-box}html,body{height:100%;color:var(--ink);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;background:#0b0d12;margin:0;padding:0;font-family:system-ui,-apple-system,PingFang SC,Microsoft YaHei,sans-serif;overflow:hidden}#app{position:fixed;inset:0}#app canvas{display:block}.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}.hidden{display:none!important}#hud{pointer-events:none;z-index:10;position:fixed;inset:0}.minimap{top:max(14px, env(safe-area-inset-top));border:1px solid var(--edge);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);pointer-events:none;background:#0a0a0e75;border-radius:9px;width:104px;height:208px;position:absolute;left:14px}.hud-top{top:max(14px, env(safe-area-inset-top));justify-content:space-between;gap:10px;display:flex;position:absolute;left:134px;right:14px}.hud-chip{border:1px solid var(--edge);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0c0c109e;border-radius:10px;flex-direction:column;gap:2px;padding:8px 12px;display:flex}.hud-chip .label{letter-spacing:.08em;color:var(--ink-dim);font-size:11px}.hud-chip .value{font-size:20px;font-weight:600}.hud-chip .value.warn{color:var(--danger)}.speedo{pointer-events:none;width:200px;position:absolute;bottom:18px;left:50%;transform:translate(-50%)}.speedo-svg{width:100%;display:block}.speedo-track{fill:none;stroke:#ffffff24;stroke-width:9px;stroke-linecap:round}.speedo-arc{fill:none;stroke:var(--speed);stroke-width:9px;stroke-linecap:round;transition:stroke-dashoffset 80ms linear,stroke .3s}.speedo-mark{stroke:var(--ink);stroke-width:3px;stroke-linecap:round}.speedo-readout{text-align:center;position:absolute;bottom:6px;left:0;right:0}.speedo-readout .speed{font-size:34px;font-weight:700;line-height:1}.speedo-readout .unit{color:var(--ink-dim);margin-left:3px;font-size:12px}.force{text-align:left;width:108px;position:absolute;top:50%;left:18px;transform:translateY(-50%)}.force-label{letter-spacing:.06em;color:var(--ink-dim);margin-bottom:6px;font-size:11px}.force-bar{height:var(--force-h);border:1px solid var(--edge);background:#0c0c109e;border-radius:5px;width:18px;position:relative}.force-fill{background-image:linear-gradient(to top, #2fbc5e 0%, #6ec94e 26%, #e2d238 48%, #ff9f2b 64%, #ff4a26 calc(var(--force-limit-pct) - 5%), #ff2a18 var(--force-limit-pct), #ff1410 100%);background-repeat:no-repeat;background-size:100% var(--force-h);background-position:0 100%;border-radius:0 0 4px 4px;height:0;transition:height 50ms linear;position:absolute;bottom:0;left:0;right:0}.force-fill.danger{animation:.2s infinite alternate forcePulse}@keyframes forcePulse{0%{filter:brightness();box-shadow:0 0 #ff3c2800}to{filter:brightness(1.6);box-shadow:0 0 14px 2px #ff3c28bf}}.force-limit{border-top:2px solid var(--danger);height:0;position:absolute;bottom:80.6%;left:-5px;right:-5px}.force-limit-tag{left:calc(100% + 8px);bottom:var(--force-limit-pct);color:var(--danger);white-space:nowrap;font-size:10px;line-height:1;position:absolute;transform:translateY(calc(-100% - 3px))}.force-value{color:var(--ink-dim);margin-top:8px;font-size:11px}.corner-warn{letter-spacing:.3em;color:#fff;background:#c82820d1;border-radius:6px;padding:6px 20px;font-size:15px;font-weight:700;animation:.62s infinite alternate warnBlink;position:absolute;top:22%;left:50%;transform:translate(-50%)}@keyframes warnBlink{0%{opacity:.35}to{opacity:1}}.brake-btn{right:max(20px, env(safe-area-inset-right));bottom:max(22px, env(safe-area-inset-bottom));letter-spacing:.16em;text-indent:.16em;width:106px;height:106px;color:var(--ink);cursor:pointer;pointer-events:auto;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:radial-gradient(circle at 50% 118%,#ff5c4857,#0000 62%),#1a1214b8;border:1px solid #ff826e57;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;gap:9px;padding:0;font-family:inherit;font-size:13px;font-weight:700;transition:transform 80ms,filter 80ms,opacity .2s,border-color .15s;display:flex;position:absolute;box-shadow:0 10px 30px #00000080,inset 0 0 26px #ff503c1f}.brake-btn:disabled{opacity:.3;cursor:default}.brake-btn:not(:disabled){border-color:#ffa0828c}.brake-btn.held{filter:brightness(1.4);transform:scale(.94)}.brake-icon{background:repeating-linear-gradient(90deg,#ffffff38 0 3px,#ffffff0a 3px 10px);border:1px solid #ffffff42;border-radius:6px;width:46px;height:27px;box-shadow:inset 0 1px #ffffff29,0 2px 8px #00000073}.brake-btn.held .brake-icon{background:repeating-linear-gradient(90deg,#ffecdc80 0 3px,#ff8c6e1f 3px 10px)}.brake-btn.cue{color:#fff3ea;background:radial-gradient(circle at 50% 118%,#ff684a9e,#0000 66%),#9e1b15db;border-color:#ffa88ae6;animation:.82s ease-out infinite pedal-cue}.brake-btn.cue .brake-icon{background:repeating-linear-gradient(90deg,#fff6ee9e 0 3px,#ff967833 3px 10px);border-color:#ffece080}@keyframes pedal-cue{0%{background-color:#961a14d1;box-shadow:0 10px 30px #00000080,inset 0 0 22px #ff543e38,0 0 #ff604a70}to{background-color:#ce2a1ff0;box-shadow:0 10px 30px #00000080,inset 0 0 34px #ff705280,0 0 0 15px #ff604a00}}.countdown{color:#fff;text-shadow:0 6px 40px #000c;pointer-events:none;z-index:20;justify-content:center;align-items:center;font-size:15vw;font-weight:800;animation:.6s ease-out pop;display:flex;position:fixed;inset:0}@keyframes pop{0%{opacity:0;transform:scale(.5)}40%{opacity:1;transform:scale(1.08)}to{opacity:.94;transform:scale(1)}}.toast{color:#fff;border:1px solid var(--edge);pointer-events:none;z-index:20;background:#121014e0;border-radius:10px;padding:12px 28px;font-size:18px;font-weight:700;animation:.25s ease-out toastIn;position:fixed;top:33%;left:50%;transform:translate(-50%)}@keyframes toastIn{0%{opacity:0;transform:translate(-50%,-12px)}to{opacity:1;transform:translate(-50%)}}.panel{background:var(--panel);border:1px solid var(--edge);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);z-index:30;border-radius:18px;width:min(480px,100vw - 32px);max-height:calc(100vh - 40px);padding:26px 28px;position:fixed;top:50%;left:50%;overflow-y:auto;transform:translate(-50%,-50%);box-shadow:0 24px 70px #0009}.brand{color:var(--ink-dim);letter-spacing:.03em;margin-bottom:14px;font-size:11.5px}.panel h1{letter-spacing:.02em;margin:0 0 8px;font-size:30px}.tagline{color:var(--ink-dim);margin:0 0 20px;font-size:14px}.rules{color:#f2efe8db;margin:0 0 22px;padding-left:20px;font-size:13.5px;line-height:1.85}.rules b{color:var(--ink)}.rules b.danger{color:var(--danger)}.actions{gap:10px;display:flex}.btn{color:#17140f;background:var(--accent);cursor:pointer;border:none;border-radius:11px;flex:1;padding:14px 20px;font-family:inherit;font-size:16px;font-weight:700;transition:filter .12s,transform 80ms}.btn:hover{filter:brightness(1.1)}.btn:active{transform:scale(.985)}.btn.ghost{color:var(--ink);border:1px solid var(--edge);background:#ffffff0f}.btn.ghost:hover{background:#ffffff1c}.btn.small{border-radius:8px;flex:none;padding:7px 14px;font-size:12.5px;font-weight:600}.mute{width:100%;color:var(--ink-dim);border:1px solid var(--edge);cursor:pointer;background:0 0;border-radius:9px;margin-top:12px;padding:9px;font-family:inherit;font-size:12.5px}.mute:hover{color:var(--ink)}.hint-keys{text-align:center;color:var(--ink-dim);margin:12px 0 0;font-size:12px}.tier{--tier:var(--accent);border:1px solid color-mix(in srgb, var(--tier) 42%, transparent);background:linear-gradient(100deg, color-mix(in srgb, var(--tier) 16%, transparent), transparent 72%);box-shadow:inset 0 0 26px color-mix(in srgb, var(--tier) 12%, transparent);border-radius:13px;flex-direction:column;gap:4px;margin-bottom:16px;padding:14px 18px;display:flex}.tier-name{letter-spacing:.02em;color:var(--tier);font-size:27px;font-weight:700}.tier-pct{color:var(--ink-dim);font-size:12.5px}.tier.snapped{border-color:color-mix(in srgb, var(--danger) 46%, transparent);background:linear-gradient(100deg,#ff5a5024,#0000 72%)}.settle{color:var(--ink);margin:0 0 18px;font-size:14.5px;line-height:1.7}.poster-hint{text-align:center;color:#fff6;margin:10px 0 0;font-size:11.5px;line-height:1.6}.disclaimer{text-align:center;color:#ffffff57;margin:12px 0 0;font-size:11.5px}.panel h2{margin:0 0 6px;font-size:25px}.panel h2.ok{color:var(--ok)}.panel h2.bad{color:var(--danger)}.result-sub{color:var(--ink-dim);margin:0 0 20px;font-size:13.5px;line-height:1.6}.stats{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px;display:grid}.stats>div{background:#ffffff0b;border-radius:9px;flex-direction:column;gap:3px;padding:9px 12px;display:flex}.stats .label{color:var(--ink-dim);font-size:11px}.stats span:last-child{font-size:16px;font-weight:600}.chart-box{background:#ffffff09;border-radius:10px;margin-bottom:18px;padding:10px 12px 6px}.chart-head{color:var(--ink-dim);flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:6px;font-size:11px;display:flex}.chart-title{color:var(--ink);font-weight:600}.legend{align-items:center;gap:4px;display:flex}.dot{border-radius:50%;width:7px;height:7px;display:inline-block}.dot-speed{background:var(--speed)}.dot-force{background:var(--accent)}.dash{background:var(--danger);width:12px;height:2px;display:inline-block}.chart{width:100%;height:auto;display:block}.score-box{background:#ffc46b1a;border:1px solid #ffc46b42;border-radius:11px;justify-content:space-between;align-items:baseline;margin-bottom:18px;padding:12px 16px;display:flex}.score-box .label{color:var(--ink-dim);font-size:13px}.score{color:var(--accent);font-size:30px;font-weight:700}.loading{color:var(--ink-dim);z-index:50;background:#0b0d12;justify-content:center;align-items:center;font-size:15px;transition:opacity .5s;display:flex;position:fixed;inset:0}.loading.done{opacity:0;pointer-events:none}@media (max-height:800px){:root{--force-h:196px}.chart-box{display:none}}@media (max-width:560px){.minimap{width:76px;height:152px}.hud-top{left:100px}.hud-chip .value{font-size:17px}.speedo{width:146px;bottom:14px}.speedo-readout .speed{font-size:27px}:root{--force-h:190px}.force{width:96px;left:12px}.force-bar{width:16px}.force-limit-tag{font-size:9.5px}.brake-btn{width:84px;height:84px;font-size:11px;bottom:18px;right:14px}.brake-icon{width:36px;height:21px}.panel{padding:20px}.panel h1{font-size:24px}.stats{grid-template-columns:1fr}}