:root{color-scheme:dark;--accent:#6cf2c2;--bg:#17243a;--ink:#f6f8ff;--muted:#a8b3c8}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Inter,ui-rounded,system-ui,sans-serif;color:var(--ink);background:radial-gradient(circle at 20% 0%,color-mix(in srgb,var(--accent) 18%,transparent),transparent 34%),linear-gradient(145deg,#080c16,var(--bg));display:grid;place-items:center;padding:24px;padding-top:max(24px,env(safe-area-inset-top));padding-bottom:max(24px,env(safe-area-inset-bottom));padding-left:max(24px,env(safe-area-inset-left));padding-right:max(24px,env(safe-area-inset-right))}.shell{width:min(520px,100%);background:#0a1020cc;border:1px solid #ffffff1c;border-radius:28px;padding:clamp(18px,4vw,38px);box-shadow:0 30px 100px #0008;backdrop-filter:blur(18px)}header{display:flex;align-items:start;justify-content:space-between;gap:20px}.eyebrow{text-transform:uppercase;letter-spacing:.15em;color:var(--accent);font-weight:800;font-size:.72rem;margin:0 0 8px}h1{font-size:clamp(2rem,7vw,3.4rem);line-height:.9;letter-spacing:-.05em;margin:0;max-width:760px}.pitch{color:var(--muted);font-size:1.05rem;max-width:620px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:25px 0 14px}.stats div{background:#ffffff0a;border:1px solid #ffffff12;border-radius:16px;padding:12px 16px;text-align:center}.stats span{display:block;color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.1em}.stats strong{font-size:1.5rem}.game{background:linear-gradient(160deg,#ffffff08,#0002);border:1px solid #ffffff14;border-radius:22px;padding:10px;display:flex;justify-content:center}
.track{position:relative;width:min(360px,80vw);height:min(520px,68vh);overflow:hidden;border-radius:16px;background:#1b140c}
.track.crashing{animation:trackshake .4s ease}
.track.milestone{animation:trackflash .5s ease}
.track.boosting{box-shadow:inset 0 0 0 3px #ffd166,0 0 30px 4px color-mix(in srgb,#ffd166 55%,transparent)}
.track.wet{box-shadow:inset 0 0 40px 8px color-mix(in srgb,#3fa9ff 40%,transparent)}
.track.wet::after{content:"";position:absolute;inset:0;background:color-mix(in srgb,#3fa9ff 12%,transparent);pointer-events:none;mix-blend-mode:screen}
.center-line{position:absolute;top:0;bottom:0;left:50%;width:4px;margin-left:-2px;background:repeating-linear-gradient(180deg,#ffffff3a,#ffffff3a 16px,transparent 16px,transparent 34px);animation:linescroll 1s linear infinite}
.edge{position:absolute;top:0;bottom:0;width:6%;background:repeating-linear-gradient(180deg,#8a6b4a,#8a6b4a 10px,#5c4530 10px,#5c4530 20px)}
.edge-left{left:0}
.edge-right{right:0}
.rock{position:absolute;width:9%;aspect-ratio:1/1;border-radius:6px;background:#8a6b4a;border:2px solid #5c4530;transform:translate(-50%,-50%);animation:rockdrop .25s ease}
.car{position:absolute;width:11%;aspect-ratio:1/1;bottom:8%;transform:translate(-50%,0) rotate(90deg);font-size:1.6rem;line-height:1;display:flex;align-items:center;justify-content:center;filter:drop-shadow(0 0 8px #0008);transition:transform .12s ease}
.car.boosting{filter:drop-shadow(0 0 12px #ffd166) drop-shadow(0 0 4px #ffd166)}
.ghost-car{position:absolute;width:11%;aspect-ratio:1/1;bottom:8%;transform:translate(-50%,0) rotate(90deg);font-size:1.6rem;line-height:1;display:flex;align-items:center;justify-content:center;opacity:.35;filter:grayscale(1) brightness(1.6);pointer-events:none;z-index:0}
.toast{position:absolute;top:10%;left:50%;transform:translate(-50%,-8px);margin:0;padding:8px 16px;border-radius:999px;background:#101522ee;color:var(--ink);font-weight:800;font-size:.8rem;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;border:1px solid #ffffff26}
.toast.show{opacity:1;transform:translate(-50%,0);animation:toastpop .35s ease}
.toast.clear{border-color:var(--accent);color:var(--accent)}
.toast.star{border-color:#ffd166;color:#ffd166}
.toast.boost{border-color:#ffd166;color:#ffd166}
.toast.near{border-color:#6cf2c2;color:#6cf2c2}
.toast.wet{border-color:#3fa9ff;color:#3fa9ff}
@keyframes trackshake{0%,100%{transform:translateX(0)}20%{transform:translateX(-6px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}
@keyframes trackflash{0%{box-shadow:inset 0 0 0 0 color-mix(in srgb,var(--accent) 0%,transparent)}30%{box-shadow:inset 0 0 40px 6px color-mix(in srgb,var(--accent) 55%,transparent)}100%{box-shadow:inset 0 0 0 0 transparent}}
@keyframes rockdrop{from{opacity:0;transform:translate(-50%,-50%) scale(.4)}}
@keyframes toastpop{from{transform:translate(-50%,6px) scale(.85);opacity:0}to{transform:translate(-50%,0) scale(1);opacity:1}}
@keyframes linescroll{from{background-position:0 -34px}to{background-position:0 0}}
.steer{display:flex;gap:10px;align-items:center}
.steer-btn{width:52px;height:52px;border-radius:16px;border:0;background:#ffffff12;color:var(--ink);font-size:1.2rem;cursor:pointer;user-select:none;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
.steer-btn:active{background:var(--accent);color:#101522}
.boost-btn{height:52px;border-radius:16px;border:0;background:linear-gradient(135deg,#ffd166,#ff9f45);color:#101522;font-weight:850;font-size:.85rem;padding:0 14px;cursor:pointer;white-space:nowrap;touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:transform .1s ease,opacity .15s ease}
.boost-btn:active:not(:disabled){transform:scale(.93)}
.boost-btn:disabled{opacity:.4;cursor:not-allowed;background:#ffffff12;color:var(--muted)}
.wet-badge{color:#3fa9ff;font-weight:800}
.header-btns{display:flex;gap:8px;flex-wrap:wrap}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.actions{display:flex;align-items:center;gap:18px;margin-top:14px;flex-wrap:wrap}.actions p{color:var(--muted);margin:0;width:100%}button,a{font:inherit}#start{border:0;border-radius:999px;background:var(--accent);color:#101522;font-weight:850;padding:12px 20px;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:transform .1s ease}#start:active{transform:scale(.96)}.quiet{background:#ffffff0d;color:var(--ink);white-space:nowrap;border:0;border-radius:999px;padding:12px 20px;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:transform .1s ease}.quiet:active{transform:scale(.96)}footer{display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:.84rem;margin-top:28px}a{color:var(--accent);text-decoration:none}dialog{max-width:440px;max-height:88vh;overflow-y:auto;border:1px solid #ffffff20;border-radius:22px;background:#10182a;color:var(--ink);padding:28px;box-shadow:0 30px 100px #000}dialog::backdrop{background:#02040bd9}dialog button{margin-top:12px;min-height:44px;touch-action:manipulation;-webkit-tap-highlight-color:transparent}dialog ol{padding-left:1.2em;display:grid;gap:8px;color:var(--muted)}dialog ol li::marker{color:var(--accent);font-weight:800}

.route-select{margin-top:20px}
.route-select h2{margin:0 0 4px;font-size:1.3rem}
.route-select-hint{color:var(--muted);margin:0 0 16px;font-size:.9rem}
.route-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.route-card{text-align:left;border:1px solid #ffffff18;background:#ffffff0a;border-radius:18px;padding:14px 16px;color:var(--ink);cursor:pointer;display:flex;flex-direction:column;gap:4px;transition:transform .15s ease,border-color .15s ease,background .15s ease;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
.route-card:hover:not(:disabled){transform:translateY(-3px);border-color:var(--accent);background:#ffffff12}
.route-card:active:not(:disabled){transform:scale(.97)}
.route-card:disabled{opacity:.5;cursor:not-allowed}
.route-num{font-size:.75rem;font-weight:800;color:var(--accent);letter-spacing:.08em;text-transform:uppercase}
.route-title{font-size:1.05rem;font-weight:800}
.route-desc{color:var(--muted);font-size:.82rem}
.route-target{font-size:.78rem;color:var(--muted)}
.route-stars{color:#ffd166;font-size:1rem;letter-spacing:2px}
.route-best{font-size:.78rem;color:var(--muted)}
.route-lock{font-size:.85rem;color:var(--muted);margin-top:4px}
.route-hud{margin:6px 0 12px}
.route-hud-top{display:flex;justify-content:space-between;align-items:baseline;font-size:.85rem;color:var(--muted);margin-bottom:6px;gap:8px;flex-wrap:wrap}
.route-hud-top strong{color:var(--ink);font-size:.95rem}
.progress-track{height:8px;border-radius:999px;background:#ffffff14;overflow:hidden}
.progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent),#ffd166);border-radius:999px;transition:width .2s ease}
.stars{font-size:1.4rem;letter-spacing:4px;color:#ffd166;text-align:center;margin:6px 0}
.gameover-btns{display:flex;gap:10px;flex-wrap:wrap}
.gameover-btns button{margin-top:0}

@media(max-width:600px){body{padding:10px;padding-top:max(10px,env(safe-area-inset-top));padding-bottom:max(10px,env(safe-area-inset-bottom))}.shell{border-radius:20px;padding:16px}header{display:block}.quiet{margin-top:8px}.stats strong{font-size:1.15rem}.boost-btn{font-size:.72rem;padding:0 10px}}
@media(prefers-reduced-motion:reduce){.track.crashing,.track.milestone,.rock,.car,.route-card,.toast.show,.center-line{animation:none;transition:none}.toast.show{opacity:1;transform:translate(-50%,0)}.track.boosting,.track.wet{transition:none}}
footer a:first-child{color:var(--ink);font-weight:700}
footer a.quiet-link{color:var(--muted)}