:root{
  --bg:#07080d;
  --bg-2:#0d1018;
  --panel:rgba(20,24,36,.82);
  --line:rgba(255,255,255,.09);
  --txt:#eef1f8;
  --mut:#9aa3b8;
  --red:#ff3b24;
  --red-2:#ff7a1a;
  --cyan:#2ee6ff;
  --lime:#9dff3d;
  --gold:#ffc53d;
  --r:14px;
  --ff:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:
    radial-gradient(900px 600px at 85% -10%,rgba(255,59,36,.18),transparent 60%),
    radial-gradient(700px 500px at 5% 100%,rgba(46,230,255,.12),transparent 60%),
    var(--bg);
  color:var(--txt);font-family:var(--ff);-webkit-font-smoothing:antialiased;
  overflow:hidden;
}
#app{height:100%;display:flex;flex-direction:column}
button{font:inherit;color:inherit}

/* ---------- top bar ---------- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.7rem clamp(.8rem,3vw,1.6rem);border-bottom:1px solid var(--line);
  background:rgba(7,8,13,.7);backdrop-filter:blur(8px);flex:0 0 auto;z-index:5;
}
.brand{display:flex;align-items:center;gap:.55rem;font-weight:800;letter-spacing:-.02em;font-size:1.05rem}
.brand-mark{filter:drop-shadow(0 0 10px rgba(255,59,36,.7))}
.brand-text em{font-style:normal;color:var(--red);text-shadow:0 0 18px rgba(255,59,36,.55)}
.wallet{display:flex;align-items:baseline;gap:.5rem;background:rgba(255,197,61,.08);
  border:1px solid rgba(255,197,61,.28);border-radius:999px;padding:.3rem .85rem}
.wallet-label{font-size:.68rem;text-transform:uppercase;letter-spacing:.14em;color:var(--mut)}
.wallet strong{color:var(--gold);font-variant-numeric:tabular-nums;font-size:1.02rem}

/* ---------- screens ---------- */
.screen{display:none;flex:1 1 auto;min-height:0;overflow:auto;padding:clamp(1rem,3.5vw,2.4rem)}
.screen.is-active{display:block}
#screen-menu.is-active{display:grid;gap:clamp(1rem,4vw,3rem);align-items:center;
  grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}
@media(max-width:860px){#screen-menu.is-active{grid-template-columns:1fr}.hero-art{display:none}}

.eyebrow{margin:0 0 .7rem;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--red-2)}
.hero h1{margin:0;font-size:clamp(2.6rem,7.5vw,5rem);line-height:.95;letter-spacing:-.045em}
.hero h1 span{background:linear-gradient(100deg,var(--red),var(--red-2) 60%,var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.lede{max-width:46ch;color:var(--mut);line-height:1.65;margin:1rem 0 1.8rem;font-size:1.02rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.6rem}
.hero-stats{display:flex;flex-wrap:wrap;gap:.6rem;margin:2rem 0 0;padding:0}
.hero-stats>div{flex:1 1 150px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:.8rem .9rem}
.hero-stats dt{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mut)}
.hero-stats dd{margin:.3rem 0 0;font-weight:700;font-size:1.05rem}

.hero-art{position:relative;height:min(62vh,540px);border-radius:24px;overflow:hidden;
  border:1px solid var(--line);background:linear-gradient(#0b0e16,#05060a)}
.art-road{position:absolute;inset:0;display:flex;justify-content:center;gap:clamp(18px,6vw,54px);
  transform:perspective(420px) rotateX(58deg) scale(1.5);transform-origin:bottom}
.art-road span{width:6px;background:repeating-linear-gradient(to bottom,rgba(255,255,255,.7) 0 34px,transparent 34px 80px);
  animation:rush 1.1s linear infinite}
.art-road span:nth-child(2){animation-duration:.85s}
.art-road span:nth-child(3){animation-duration:.95s}
.art-road span:nth-child(4){animation-duration:1.25s}
@keyframes rush{to{background-position-y:80px}}
.art-glow{position:absolute;inset:auto 0 -20% 0;height:60%;
  background:radial-gradient(60% 100% at 50% 100%,rgba(255,59,36,.55),transparent 70%)}
@media(prefers-reduced-motion:reduce){.art-road span{animation:none}}

.screen-head{margin-bottom:1.4rem}
.screen-head h2{margin:.6rem 0 .25rem;font-size:clamp(1.5rem,4vw,2.1rem);letter-spacing:-.03em}
.sub{margin:0;color:var(--mut);max-width:60ch}

/* ---------- buttons ---------- */
.btn{border:1px solid var(--line);background:rgba(255,255,255,.05);border-radius:999px;
  padding:.7rem 1.3rem;font-weight:700;cursor:pointer;transition:.16s;display:inline-flex;align-items:center;gap:.5rem}
.btn:hover:not(:disabled){background:rgba(255,255,255,.12);transform:translateY(-1px)}
.btn:disabled{opacity:.42;cursor:not-allowed}
.btn-primary{background:linear-gradient(100deg,var(--red),var(--red-2));border-color:transparent;
  box-shadow:0 10px 30px -10px rgba(255,59,36,.8)}
.btn-primary:hover:not(:disabled){background:linear-gradient(100deg,#ff5338,#ff912f)}
.btn-ghost{background:transparent}
.btn-back{margin-bottom:.4rem}
.btn-sm{padding:.45rem .9rem;font-size:.85rem}
.kbd-hint,kbd{font:inherit;font-size:.68rem;opacity:.75;border:1px solid rgba(255,255,255,.3);
  border-radius:5px;padding:0 .3rem}

/* ---------- events ---------- */
.event-grid{display:grid;gap:.9rem;grid-template-columns:repeat(auto-fill,minmax(258px,1fr))}
.event{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:1.05rem;
  display:flex;flex-direction:column;gap:.55rem}
.event.locked{opacity:.5}
.event-top{display:flex;justify-content:space-between;align-items:start;gap:.5rem}
.event h3{margin:0;font-size:1.08rem;letter-spacing:-.02em}
.event .tag{font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);
  border:1px solid var(--line);border-radius:999px;padding:.15rem .5rem;white-space:nowrap}
.event p{margin:0;color:var(--mut);font-size:.9rem;line-height:1.5}
.event-meta{display:flex;flex-wrap:wrap;gap:.35rem .9rem;font-size:.82rem;color:var(--mut)}
.event-meta b{color:var(--txt)}
.stars{color:#3a4053;letter-spacing:.12em}
.stars i{color:var(--gold);font-style:normal}

/* ---------- garage ---------- */
.garage{display:grid;gap:1rem;grid-template-columns:minmax(0,320px) minmax(0,1fr)}
@media(max-width:820px){.garage{grid-template-columns:1fr}}
.garage-bikes{display:flex;flex-direction:column;gap:.6rem}
.bike{text-align:left;width:100%;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r);padding:.85rem 1rem;cursor:pointer;transition:.16s}
.bike:hover{border-color:rgba(255,255,255,.26)}
.bike.sel{border-color:var(--red);box-shadow:0 0 0 1px var(--red),0 14px 34px -18px rgba(255,59,36,.9)}
.bike-row{display:flex;justify-content:space-between;align-items:center;gap:.6rem}
.bike-name{font-weight:800;letter-spacing:-.02em}
.bike-swatch{width:26px;height:26px;border-radius:8px;flex:0 0 auto;box-shadow:inset 0 0 0 1px rgba(255,255,255,.25)}
.bike small{display:block;color:var(--mut);margin-top:.25rem;font-size:.82rem}
.pill{font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;border-radius:999px;padding:.2rem .55rem;
  border:1px solid var(--line);color:var(--mut)}
.pill.on{color:var(--lime);border-color:rgba(157,255,61,.45);background:rgba(157,255,61,.1)}
.pill.buy{color:var(--gold);border-color:rgba(255,197,61,.45)}

.garage-tune{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:clamp(1rem,3vw,1.5rem)}
.tune-head h3{margin:0;font-size:1.3rem;letter-spacing:-.02em}
.tune-head p{margin:.3rem 0 1.1rem;color:var(--mut);font-size:.92rem}
.statbars{display:grid;gap:.55rem;margin-bottom:1.3rem}
.statbar{display:grid;grid-template-columns:110px 1fr auto;align-items:center;gap:.7rem;font-size:.86rem}
.statbar span:first-child{color:var(--mut)}
.statbar b{font-variant-numeric:tabular-nums;min-width:70px;text-align:right}
.track{height:9px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden;position:relative}
.track i{position:absolute;inset:0 auto 0 0;background:linear-gradient(90deg,var(--red),var(--red-2));border-radius:99px}
.track i.ghost{background:rgba(46,230,255,.45)}

.upgrade-list{display:grid;gap:.6rem}
.upg{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem 1rem;border:1px solid var(--line);
  border-radius:12px;padding:.75rem .9rem;background:rgba(255,255,255,.03)}
.upg-main{flex:1 1 170px;min-width:0}
.upg-main strong{display:block;letter-spacing:-.01em}
.upg-main small{color:var(--mut)}
.pips{display:flex;gap:4px}
.pips span{width:16px;height:7px;border-radius:3px;background:rgba(255,255,255,.14)}
.pips span.on{background:linear-gradient(90deg,var(--red),var(--red-2))}

/* ---------- race ---------- */
.screen-race{padding:0;position:relative;overflow:hidden}
.screen-race.is-active{display:block}
#gameCanvas{display:block;width:100%;height:100%;touch-action:none}
.hud{position:absolute;inset:0;pointer-events:none;
  padding:clamp(.6rem,2vw,1.1rem);display:flex;flex-direction:column;justify-content:space-between}
.hud-top,.hud-bottom{display:flex;gap:.6rem;align-items:flex-start;justify-content:space-between}
.hud-bottom{align-items:flex-end}
.hud-card{background:rgba(7,9,14,.62);border:1px solid var(--line);border-radius:12px;
  padding:.5rem .7rem;backdrop-filter:blur(6px)}
.hud-progress{flex:1 1 auto;max-width:430px}
.hud-label{display:flex;justify-content:space-between;gap:.8rem;font-size:.74rem;color:var(--mut);
  letter-spacing:.06em;text-transform:uppercase}
.hud-label strong{color:var(--txt);font-variant-numeric:tabular-nums}
.hud-standings{display:grid;gap:.15rem;min-width:116px}
.bar{height:8px;margin-top:.35rem;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden}
.bar i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--red),var(--gold))}
.bar-nitro i{background:linear-gradient(90deg,#1b9dff,var(--cyan))}
.bar-health i{background:linear-gradient(90deg,#ff2f4e,var(--lime))}
.hud-gauges{display:grid;gap:.45rem;min-width:min(42vw,210px)}
.gauge-label{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--mut)}
.speedo{background:rgba(7,9,14,.62);border:1px solid var(--line);border-radius:14px;padding:.3rem .9rem .45rem;
  text-align:right;backdrop-filter:blur(6px)}
.speedo strong{display:block;font-size:clamp(1.9rem,6vw,2.7rem);line-height:1;letter-spacing:-.04em;
  font-variant-numeric:tabular-nums;text-shadow:0 0 22px rgba(255,59,36,.6)}
.speedo span{font-size:.68rem;letter-spacing:.2em;color:var(--mut)}

.icon-btn{pointer-events:auto;position:absolute;background:rgba(7,9,14,.68);border:1px solid var(--line);
  border-radius:10px;width:40px;height:40px;cursor:pointer;font-size:.8rem}
.hud-pause{top:50%;right:clamp(.6rem,2vw,1.1rem);transform:translateY(-50%)}

.countdown{position:absolute;inset:0;display:grid;place-items:center;font-size:clamp(4rem,18vw,10rem);
  font-weight:900;letter-spacing:-.06em;color:#fff;text-shadow:0 0 50px rgba(255,59,36,.9);opacity:0}
.countdown.show{opacity:1;animation:pop .6s ease-out}
@keyframes pop{from{transform:scale(1.6);opacity:0}}
.race-toast{position:absolute;left:50%;top:22%;transform:translateX(-50%);
  background:rgba(7,9,14,.8);border:1px solid var(--line);border-radius:999px;padding:.5rem 1.1rem;
  font-weight:700;font-size:.92rem;opacity:0;transition:.25s}
.race-toast.show{opacity:1}

.touch-controls{position:absolute;inset:auto 0 0 0;display:none;justify-content:space-between;
  padding:clamp(.6rem,2vw,1.2rem);gap:1rem}
.touch-controls.on{display:flex}
.pad-left,.pad-right{display:flex;gap:.6rem;pointer-events:auto}
.tbtn{width:72px;height:62px;border-radius:14px;border:1px solid rgba(255,255,255,.2);
  background:rgba(12,15,22,.72);font-weight:800;font-size:1.15rem;cursor:pointer;
  -webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}
.tbtn:active{background:rgba(255,255,255,.2)}
.tbtn-nitro{color:var(--cyan);font-size:.78rem;letter-spacing:.08em}
.tbtn-brake{color:#ff7a8a;font-size:.78rem;letter-spacing:.08em}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;background:rgba(3,4,7,.78);display:grid;place-items:center;
  padding:1.2rem;z-index:40;backdrop-filter:blur(6px)}
.modal[hidden]{display:none}
.modal-card{width:min(460px,100%);background:linear-gradient(#141927,#0c1018);
  border:1px solid var(--line);border-radius:18px;padding:clamp(1.2rem,4vw,1.8rem);
  box-shadow:0 30px 80px -30px #000;animation:pop .25s ease-out}
.modal-card h3{margin:0 0 .7rem;font-size:1.45rem;letter-spacing:-.03em}
.modal-card p{margin:.45rem 0;color:var(--mut);line-height:1.6}
.modal-card ul{margin:.5rem 0;padding-left:1.1rem;color:var(--mut);line-height:1.75}
.modal-card b{color:var(--txt)}
.result-rows{display:grid;gap:.4rem;margin:.9rem 0}
.result-row{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding-bottom:.35rem;
  font-size:.95rem}
.result-row span{color:var(--mut)}
.result-row.me{color:var(--gold);font-weight:700}
.result-row.me span{color:var(--gold)}
.payout{font-size:1.5rem;font-weight:800;color:var(--gold);letter-spacing:-.02em}
.modal-actions{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.2rem}
.modal-actions .btn{flex:1 1 auto;justify-content:center}
.big-stars{font-size:1.6rem;letter-spacing:.2em;color:#3a4053}
.big-stars i{color:var(--gold);font-style:normal}