:root{
  --h:190;
  box-sizing:border-box;
  color-scheme:dark;
  --ink:hsl(var(--h) 70% 97%);
  --muted:hsl(var(--h) 30% 80% / .72);
  --line:hsl(var(--h) 70% 88% / .16);
  --accent:hsl(var(--h) 100% 68%);
  --accent2:hsl(calc(var(--h) + 35) 95% 58%);
  --bg0:hsl(var(--h) 50% 18%);
  --bg1:hsl(calc(var(--h) + 25) 60% 6%);
  --gold:hsl(46 100% 64%);
}
*,*::before,*::after{box-sizing:inherit}
html{height:100%;scroll-padding-top:env(safe-area-inset-top,0px);overscroll-behavior:none;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  margin:0;height:100vh;height:100dvh;display:flex;flex-direction:column;align-items:center;
  font-family:Manrope,system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background:radial-gradient(120% 90% at 50% 0%,var(--bg0),var(--bg1)),#07060f;
  background-color:#07060f;
  overflow:hidden;overscroll-behavior:none;-webkit-user-select:none;user-select:none;
  -webkit-tap-highlight-color:transparent;
}
button{font:inherit;color:inherit;touch-action:manipulation}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.app{width:min(100%,1000px);flex:1;min-height:0;display:flex;flex-direction:column;gap:12px;padding:max(12px,env(safe-area-inset-top)) max(14px,env(safe-area-inset-right)) max(14px,env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left))}

/* HUD — Apple-style frosted bar */
.hud{
  display:block;position:relative;z-index:50;
  --hud-font:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display",system-ui,"Segoe UI",Roboto,sans-serif;
  --hud-ink:rgba(255,255,255,.94);
  --hud-sub:rgba(255,255,255,.55);
  --hud-line:rgba(255,255,255,.1);
  --hud-fill:rgba(255,255,255,.08);
  --hud-fill-2:rgba(255,255,255,.16);
  --hud-panel:rgba(18,18,22,.6);
  --hud-accent:hsl(var(--h) 85% 62%);
  --hud-accent2:hsl(calc(var(--h) + 45) 85% 62%);
}
.hud-chassis{
  position:relative;isolation:isolate;
  display:flex;flex-direction:column;gap:10px;padding:12px 16px;
}
.hud-chassis::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  border-radius:24px;
  background:var(--hud-panel);
  -webkit-backdrop-filter:blur(28px) saturate(180%);backdrop-filter:blur(28px) saturate(180%);
  border:1px solid var(--hud-line);
  box-shadow:0 14px 34px -16px rgba(0,0,0,.75),inset 0 1px 0 rgba(255,255,255,.09);
}
.hud-accent{display:none}
.hud-metrics{display:flex;align-items:center;justify-content:space-between;gap:10px}

/* Profile */
.who{position:relative;flex:0 0 auto;display:flex;align-items:center;gap:10px;padding:0;border:0;background:none;cursor:pointer;border-radius:999px;transition:opacity .2s}
.who:hover{opacity:.82}
.who-orbit{display:none}
.who-av{
  position:relative;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-size:18px;line-height:1;
  background:linear-gradient(180deg,rgba(255,255,255,.22),rgba(255,255,255,.07));
  border:1px solid var(--hud-line);box-shadow:0 1px 2px rgba(0,0,0,.35);
}
.who-name{max-width:150px;font-family:var(--hud-font);font-weight:600;font-size:14px;letter-spacing:-.01em;color:var(--hud-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* Center score panel */
.hud-center{display:flex;align-items:center;gap:14px}
.hud-lv{display:flex;align-items:center;gap:4px;padding:3px 9px;border-radius:999px;background:var(--hud-fill);border:1px solid var(--hud-line);font-family:var(--hud-font);font-weight:600;font-size:11px;letter-spacing:.01em;color:var(--hud-ink)}
.hud-lv-k{font-weight:600;color:var(--hud-sub)}
.hud-lv-name{font-family:var(--hud-font);font-weight:600;font-size:11px;color:var(--hud-sub)}
.hud-sep{width:1px;height:26px;background:var(--hud-line)}
.hud-score{display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1}
.hud-score-k{font-family:var(--hud-font);font-size:9px;font-weight:600;letter-spacing:.08em;color:var(--hud-sub);text-transform:uppercase}
.hud-score .v{font-family:var(--hud-font);font-weight:700;font-size:30px;letter-spacing:-.03em;color:#fff;font-variant-numeric:tabular-nums}

/* Lives */
.lives{display:flex;align-items:center;gap:5px}
.lives svg{width:15px;height:15px;fill:currentColor;color:var(--hud-sub);transition:opacity .3s,transform .3s}
.lives svg:nth-child(1){color:var(--hud-accent)}
.lives svg:nth-child(2){color:var(--hud-accent2)}
.lives svg:nth-child(3){color:hsl(calc(var(--h) - 35) 75% 64%)}
.lives svg.lost{opacity:.2;transform:scale(.85);color:var(--hud-sub)}

/* Controls */
.hud-right{flex:0 0 auto}
.hud-actions{display:flex;align-items:center;gap:8px}
.fab{display:none}
.icon{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
  border:1px solid var(--hud-line);background:var(--hud-fill);
  transition:background .2s,border-color .2s,transform .1s;
}
.icon:hover{background:var(--hud-fill-2)}
.icon:active{transform:scale(.94)}
.icon svg{width:18px;height:18px;fill:none;stroke:var(--hud-ink);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.icon.off .slash{display:block}
.icon .slash{display:none}
.icon:disabled{opacity:.35;cursor:not-allowed;pointer-events:none}
#btnPause .ic-pause,#btnPause .ic-play{fill:var(--hud-ink);stroke:none}
#btnPause .ic-play{display:none}
#btnPause.paused .ic-pause{display:none}
#btnPause.paused .ic-play{display:block}

/* Speed gauge */
.hud-gauge-row{display:flex;align-items:center;gap:10px;padding-top:10px;border-top:1px solid var(--hud-line)}
.hud-gauge-k{font-family:var(--hud-font);font-size:11px;font-weight:600;letter-spacing:.02em;color:var(--hud-sub)}
.hud-gauge{position:relative;flex:1;height:6px;border-radius:999px;background:var(--hud-fill);overflow:hidden}
.hud-gauge::after{display:none}
.hud-gauge-fill{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--hud-accent),var(--hud-accent2));transition:width .3s cubic-bezier(.25,1,.4,1)}
.hud-gauge-v{min-width:3.2ch;text-align:right;font-family:var(--hud-font);font-size:12px;font-weight:600;color:var(--hud-ink);font-variant-numeric:tabular-nums}

/* Round progress bar (below the arena) */
.roundbar{
  position:relative;width:min(100%,420px);height:8px;margin:0 auto;border-radius:999px;
  background:rgba(255,255,255,.12);overflow:hidden;
}
.roundbar[hidden]{display:none}
.roundbar-fill{display:block;height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--hud-accent,var(--accent)),var(--hud-accent2,var(--accent2)));transition:width .4s cubic-bezier(.25,1,.4,1)}

/* Stage */
.stage{
  position:relative;flex:1;min-height:240px;border-radius:28px;overflow:hidden;
  border:1px solid var(--line);touch-action:none;cursor:pointer;
  box-shadow:0 30px 80px -34px hsl(var(--h) 100% 55% / .45),inset 0 0 0 1px hsl(0 0% 100% / .03);
}
canvas#cv{position:absolute;inset:0;width:100%;height:100%;display:block}
.combo{
  position:absolute;top:14px;left:50%;transform:translate(-50%,-8px);padding:7px 16px;border-radius:999px;
  font-family:Unbounded,system-ui,sans-serif;font-weight:700;font-size:13px;color:hsl(46 100% 14%);
  background:linear-gradient(135deg,hsl(46 100% 70%),hsl(24 100% 62%));
  box-shadow:0 8px 24px -6px hsl(30 100% 55% / .7);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;
}
.combo.show{opacity:1;transform:translate(-50%,0)}

/* Overlay + cards */
.overlay{
  position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:16px;
  background:hsl(var(--h) 60% 5% / .5);
  -webkit-backdrop-filter:blur(16px) saturate(140%);backdrop-filter:blur(16px) saturate(140%);
  opacity:0;pointer-events:none;transition:opacity .25s;cursor:default;
}
.overlay.show{opacity:1;pointer-events:auto}
.card{
  width:min(100%,540px);max-height:100%;overflow:auto;text-align:center;padding:26px 22px;
  border-radius:28px;border:1px solid var(--line);
  background:linear-gradient(160deg,hsl(var(--h) 45% 20% / .94),hsl(calc(var(--h) + 30) 50% 9% / .96));
  box-shadow:0 40px 90px -30px #000;
}
.card h1,.card h2{font-family:Unbounded,system-ui,sans-serif;margin:0;line-height:1.1}
.card h1{font-weight:800;font-size:clamp(30px,6.5vw,48px);letter-spacing:-.02em}
.card h2{font-weight:800;font-size:clamp(24px,5vw,34px)}
.lede{margin:12px auto 20px;max-width:34ch;color:var(--muted);font-size:15px;line-height:1.5}
.btn{
  font-family:Unbounded,system-ui,sans-serif;font-weight:700;font-size:14px;border-radius:999px;border:1px solid var(--line);
  padding:14px 26px;cursor:pointer;background:transparent;transition:transform .12s,filter .12s;
}
.btn:hover{filter:brightness(1.12)}
.btn:active{transform:translateY(2px)}
.btn.primary{border:0;color:hsl(var(--h) 90% 10%);background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 10px 30px -8px hsl(var(--h) 100% 55% / .7)}
.actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:22px}
.levels{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:22px}
.lv{
  position:relative;aspect-ratio:1;display:grid;place-items:center;padding:4px;border-radius:16px;cursor:pointer;
  border:1px solid var(--line);background:hsl(var(--h) 45% 24% / .45);
}
.lv:hover:not(:disabled){background:hsl(var(--h) 55% 30% / .6)}
.lv:disabled{opacity:.34;cursor:not-allowed}
.lv canvas{width:42px;height:42px}
.lv .num{position:absolute;top:6px;left:9px;font-family:Unbounded,system-ui,sans-serif;font-size:11px;font-weight:700;color:var(--muted)}
.lv .st{position:absolute;bottom:4px;left:0;right:0;font-size:10px;letter-spacing:1px;color:var(--gold);line-height:1}
.best{margin:18px 0 0;font-size:13px;color:var(--muted)}
.stars{display:flex;gap:8px;justify-content:center;margin:16px 0 4px}
.star{font-size:46px;line-height:1;color:hsl(var(--h) 30% 60% / .25)}
.star.on{color:var(--gold);text-shadow:0 0 22px hsl(46 100% 60% / .8);animation:pop .55s calc(var(--i) * .18s) both cubic-bezier(.3,1.6,.5,1)}
@keyframes pop{from{transform:scale(0) rotate(-40deg)}to{transform:none}}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:16px 0 0}
.stats div{padding:12px 6px;border-radius:16px;background:hsl(var(--h) 40% 8% / .45)}
.stats dt{font-size:12px;color:var(--muted);margin-bottom:4px}
.stats dd{margin:0;font-family:Unbounded,system-ui,sans-serif;font-weight:700;font-size:18px;font-variant-numeric:tabular-nums}

/* Controls */
.controls{display:flex;flex-direction:column;align-items:center;gap:8px}
.stop{
  width:min(100%,420px);height:72px;border:0;border-radius:26px;cursor:pointer;
  font-family:Unbounded,system-ui,sans-serif;font-weight:800;font-size:28px;letter-spacing:.06em;
  color:hsl(var(--h) 90% 10%);
  background:linear-gradient(180deg,hsl(var(--h) 100% 74%),hsl(var(--h) 95% 56%));
  box-shadow:0 8px 0 hsl(var(--h) 80% 28%),0 22px 40px -10px hsl(var(--h) 100% 55% / .6);
  transition:transform .06s,box-shadow .06s,opacity .2s,filter .2s;
  touch-action:manipulation;
}
.stop:active{transform:translateY(6px);box-shadow:0 2px 0 hsl(var(--h) 80% 28%),0 10px 24px -10px hsl(var(--h) 100% 55% / .6)}
.stop.idle{opacity:.5;filter:saturate(.6)}
.hint{margin:0;font-size:12px;color:var(--muted)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

@media (max-width:640px){
  .hud-chassis{padding:10px 14px}
  .who-name{display:none}
  .hud-lv-name{display:none}
  .hud-center{gap:12px}
  .hud-score .v{font-size:24px}
  .hud-sep{height:22px}
  .hud-gauge-row{display:none}
  .hint{display:none}
  .stop{height:64px;font-size:24px}
  .lv canvas{width:34px;height:34px}
  .card{padding:20px 14px}
  .avatars{grid-template-columns:repeat(auto-fit,minmax(40px,1fr))}
  .fab{
    display:grid;position:fixed;z-index:61;
    right:max(16px,env(safe-area-inset-right));
    bottom:calc(max(16px,env(safe-area-inset-bottom)) + 104px);
    width:56px;height:56px;border-radius:50%;border:1px solid rgba(255,255,255,.14);cursor:pointer;
    color:#fff;background:rgba(30,30,36,.66);
    -webkit-backdrop-filter:blur(28px) saturate(180%);backdrop-filter:blur(28px) saturate(180%);
    box-shadow:0 12px 30px -10px rgba(0,0,0,.7),inset 0 1px 0 rgba(255,255,255,.12);
    place-items:center;touch-action:manipulation;transition:opacity .2s,transform .2s,background .2s;
  }
  .fab:active{transform:scale(.94)}
  .fab svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;transition:transform .25s cubic-bezier(.25,1,.4,1)}
  .fab[aria-expanded="true"] svg{transform:rotate(45deg)}
  .hud-actions{
    position:fixed;z-index:60;
    right:max(16px,env(safe-area-inset-right));
    bottom:calc(max(16px,env(safe-area-inset-bottom)) + 172px);
    flex-direction:column-reverse;gap:10px;padding:10px;border-radius:28px;
    border:1px solid rgba(255,255,255,.12);background:rgba(20,20,24,.62);
    -webkit-backdrop-filter:blur(28px) saturate(180%);backdrop-filter:blur(28px) saturate(180%);
    box-shadow:0 24px 50px -20px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.1);
    opacity:0;transform:translateY(16px) scale(.92);pointer-events:none;
    transform-origin:bottom right;transition:opacity .22s cubic-bezier(.25,1,.4,1),transform .22s cubic-bezier(.25,1,.4,1);
  }
  .hud-actions.open{opacity:1;transform:none;pointer-events:auto}
  .hud-actions .icon{width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.1)}
  .overlay-open .fab,.overlay-open .hud-actions{opacity:0;pointer-events:none}
}
@media (max-height:620px){ .lede{margin:8px auto 12px} .levels{margin-top:12px} .stars{margin:6px 0 0} .star{font-size:34px} }
@media (max-height:560px){
  .app{gap:8px;padding-top:8px;padding-bottom:8px}
  .stop{height:52px;font-size:20px}
  .hint{display:none}
  .lives svg{width:18px;height:18px}
  .card{padding:14px}
  .star{font-size:30px}
}
@media (prefers-reduced-motion:reduce){ *{transition:none!important;animation:none!important} }

/* Onboarding + player */
.field{display:flex;flex-direction:column;gap:6px;align-items:stretch;max-width:300px;margin:0 auto 18px;text-align:left;font-size:12px;font-weight:600;color:var(--muted)}
.name-input{padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:hsl(var(--h) 40% 8% / .5);color:var(--ink);font:inherit;font-size:16px}
.name-input::placeholder{color:hsl(var(--h) 30% 80% / .45)}
.name-input:focus{outline:none;border-color:var(--accent)}
.avatars{display:grid;grid-template-columns:repeat(auto-fit,minmax(44px,1fr));gap:8px;max-width:380px;margin:0 auto 22px}
.avatar{aspect-ratio:1;display:grid;place-items:center;font-size:22px;border-radius:14px;border:1px solid var(--line);background:hsl(var(--h) 45% 24% / .45);cursor:pointer;transition:transform .12s,background .2s,border-color .2s}
.avatar:hover{background:hsl(var(--h) 55% 30% / .6);transform:translateY(-2px)}
.avatar.on{border-color:var(--accent);background:hsl(var(--h) 60% 30% / .7);box-shadow:0 0 0 2px hsl(var(--h) 100% 68% / .5)}
.player{display:flex;align-items:center;justify-content:center;gap:8px;margin:0 0 6px;font-size:14px;color:var(--ink)}
.player-av{font-size:22px}
.link{background:none;border:0;padding:0;color:var(--accent);cursor:pointer;font:inherit;font-size:12px;text-decoration:underline}
.btn:disabled{opacity:.4;cursor:not-allowed;filter:none}
.btn:disabled:hover{filter:none}

/* Leaderboard */
.lb{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:6px;max-height:46vh;overflow:auto;text-align:left}
.lb-row{display:grid;grid-template-columns:auto auto 1fr auto auto;align-items:center;gap:10px;padding:8px 12px;border-radius:14px;background:hsl(var(--h) 40% 8% / .45)}
.lb-row.me{background:hsl(var(--h) 60% 30% / .55);box-shadow:inset 0 0 0 1px hsl(var(--h) 100% 68% / .45)}
.lb-rank{font-family:Unbounded,system-ui,sans-serif;font-weight:700;font-size:13px;color:var(--muted);min-width:1.8em;text-align:right;font-variant-numeric:tabular-nums}
.lb-av{font-size:20px}
.lb-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lb-lvl{font-size:12px;color:var(--muted);white-space:nowrap}
.lb-score{font-family:Unbounded,system-ui,sans-serif;font-weight:700;font-variant-numeric:tabular-nums}