:root{--bg:#040b14;--ink:#e7f1ff;--muted:#7f9bb8;--line:#8cbef038;--line-strong:#b4dcff66;--amber:#ffc857;--amber-soft:#ffe2a0;--ice:#8fd0ff;--panel:#081220b8;--panel-2:#0c1c30c7;--danger:#c86b4a;--ok:#3d9a78;--shadow:0 10px 28px #00000059;color:var(--ink);background:var(--bg);-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:100%;font-family:Noto Sans SC,PingFang SC,sans-serif}*{box-sizing:border-box}html,body,#app{overscroll-behavior:none;touch-action:none;-webkit-user-select:none;user-select:none;width:100%;height:100%;margin:0;overflow:hidden}#app{background:#040b14;position:relative}canvas#game,canvas#minimap{width:100%;height:100%;display:block;position:absolute;inset:0}canvas#game{z-index:0}canvas#minimap{z-index:1;pointer-events:none}.hud{pointer-events:none;z-index:2;position:absolute;inset:0}.hud-top{padding:max(12px, env(safe-area-inset-top)) 12px 0;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;display:grid}.chip{border:1px solid var(--line);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(14px)saturate(1.2);backdrop-filter:blur(14px)saturate(1.2);text-align:center;background:linear-gradient(#12243ad1,#060e1ac7);border-radius:14px;padding:7px 6px 8px;position:relative;overflow:hidden}.chip:before{content:"";background:linear-gradient(90deg,#0000,#ffffff47,#0000);height:1px;position:absolute;inset:0 0 auto}.chip .label{letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-family:Rajdhani,Noto Sans SC,sans-serif;font-size:10px;font-weight:600}.chip .value{font-variant-numeric:tabular-nums;letter-spacing:.02em;margin-top:1px;font-family:Rajdhani,Noto Sans SC,sans-serif;font-size:22px;font-weight:700;line-height:1.05}.chip .value.accent{color:var(--amber);text-shadow:0 0 18px #ffc85759}.chip .value.ice{color:var(--ice);text-shadow:0 0 16px #8fd0ff4d}.chip .unit{color:#8fa6bed9;margin-left:1px;font-size:11px;font-weight:600}.brand{left:14px;top:calc(max(12px, env(safe-area-inset-top)) + 78px);pointer-events:none;max-width:42%;position:absolute}.brand h1{letter-spacing:.28em;color:#c8e1ff8c;margin:0;font-family:Rajdhani,Noto Sans SC,sans-serif;font-size:13px;font-weight:700}.brand p{color:#7f9bb8cc;margin:2px 0 0;font-size:11px}.objective{border:1px solid #ffc85747;border-left:3px solid var(--amber);color:#eef5ff;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);width:fit-content;max-width:calc(100% - 168px);box-shadow:var(--shadow);background:linear-gradient(90deg,#ffc8571f,#081424b3);border-radius:12px;margin:10px 12px 0;padding:9px 12px 9px 11px;font-size:12px;font-weight:500;line-height:1.35}.toast{color:var(--amber-soft);letter-spacing:.02em;white-space:nowrap;text-overflow:ellipsis;background:#0a1626e0;border:1px solid #ffc85780;border-radius:999px;max-width:calc(100% - 28px);padding:11px 18px;font-size:13px;font-weight:700;animation:.35s toast-in;position:absolute;top:40%;left:50%;overflow:hidden;transform:translate(-50%,-50%);box-shadow:0 12px 36px #0006}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,-40%)}to{opacity:1;transform:translate(-50%,-50%)}}.toast.hidden{opacity:0;transition:opacity .35s;animation:none}.controls{padding:0 12px max(16px, env(safe-area-inset-bottom));pointer-events:none;z-index:3;justify-content:space-between;align-items:flex-end;gap:12px;display:flex;position:absolute;inset:auto 0 0}.pad{pointer-events:auto;border:1px solid var(--line);-webkit-backdrop-filter:blur(16px)saturate(1.15);backdrop-filter:blur(16px)saturate(1.15);box-shadow:var(--shadow);background:linear-gradient(#0a16288c,#040a14ad);border-radius:24px;gap:8px;padding:8px;display:flex}.pad.steer{flex:1.2}.pad.gear{flex-direction:column;flex:none;width:88px}.btn{color:var(--ink);letter-spacing:.02em;-webkit-user-select:none;user-select:none;background:radial-gradient(120% 90% at 50% 0,#5082be38,#0000 55%),#10243c8c;border:1px solid #96c3f033;border-radius:18px;font-family:Rajdhani,Noto Sans SC,sans-serif;font-size:22px;font-weight:700;transition:transform 80ms,border-color 80ms,background 80ms;box-shadow:inset 0 1px #ffffff1a,inset 0 -10px 18px #0000002e}.pad.steer .btn{flex:1;height:90px}.pad.gear .btn{width:100%;height:54px;font-size:18px}.btn:active,.btn.held{border-color:var(--line-strong);transform:scale(.97)}.btn.steer-btn.held{background:radial-gradient(120% 90% at 50% 0,#64aaff59,#0000 55%),#1c4678a6}.btn.gear-up{background:radial-gradient(120% 90% at 50% 0,#46aa8247,#0000 55%),#14463480}.btn.gear-up:active,.btn.gear-up.flash{background:radial-gradient(120% 90% at 50% 0,#5ac89666,#0000 55%),#1e6448a6;border-color:#78dcb473}.btn.gear-down{background:radial-gradient(120% 90% at 50% 0,#be644647,#0000 55%),#5a2d2380}.btn.gear-down:active,.btn.gear-down.flash{background:radial-gradient(120% 90% at 50% 0,#dc785066,#0000 55%),#783c2da6;border-color:#e6966e73}.btn .mini{letter-spacing:.12em;color:#d2e6ffb8;margin-top:2px;font-family:Noto Sans SC,sans-serif;font-size:11px;font-weight:600;display:block}.overlay{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:5;background:radial-gradient(80% 50% at 50% 15%,#326eb447,#0000 55%),radial-gradient(60% 40% at 80% 80%,#ffc85714,#0000 50%),#02060cc7;place-items:center;padding:24px;display:grid;position:absolute;inset:0}.overlay.hidden{display:none}.card{text-align:center;background:linear-gradient(165deg,#18304ef2,#08101ef7);border:1px solid #a0cdff4d;border-radius:26px;width:min(100%,360px);padding:30px 22px 22px;position:relative;overflow:hidden;box-shadow:0 28px 70px #0000007a,inset 0 1px #ffffff1a}.card:before{content:"";background:linear-gradient(90deg, transparent, var(--amber), var(--ice), transparent);opacity:.85;height:2px;position:absolute;inset:0 0 auto}.card h2{letter-spacing:.14em;color:#f3f8ff;margin:0;font-family:Rajdhani,Noto Sans SC,sans-serif;font-size:34px;font-weight:700}.card .eyebrow{letter-spacing:.28em;color:var(--ice);text-transform:uppercase;margin:0 0 8px;font-family:Rajdhani,sans-serif;font-size:12px;font-weight:600}.card .sub{color:var(--muted);margin:10px 0 0;font-size:14px;line-height:1.6}.card .stats{text-align:left;color:#d5e6fb;background:#00000038;border:1px solid #8cbef01f;border-radius:14px;gap:8px;margin:18px 0 0;padding:12px 14px;font-size:13px;display:grid}.card .stats div{align-items:center;gap:8px;display:flex}.card .stats div:before{content:"";background:var(--amber);border-radius:50%;flex:none;width:5px;height:5px;box-shadow:0 0 8px #ffc85799}.card button{color:#1a1406;letter-spacing:.08em;background:linear-gradient(105deg,#f0c44d 0%,#ffe08a 55%,#f6d56a 100%);border:0;border-radius:999px;width:100%;height:54px;margin-top:22px;font-family:Noto Sans SC,sans-serif;font-size:16px;font-weight:800;box-shadow:0 12px 28px #f0c44d47,inset 0 1px #ffffff73}.card button:active{transform:scale(.985)}.hint{left:50%;bottom:calc(132px + env(safe-area-inset-bottom));border:1px solid var(--line);width:max-content;max-width:calc(100% - 28px);color:var(--muted);text-align:center;z-index:3;pointer-events:none;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#060e1ab3;border-radius:999px;padding:8px 14px;font-size:12px;position:absolute;transform:translate(-50%)}.hint.hidden{opacity:0;transition:opacity .45s}@media (width>=480px){.pad.gear{width:104px}.pad.steer .btn{height:98px}.chip .value{font-size:24px}}