:root{
  --safe-top:max(env(safe-area-inset-top,0px),var(--eazo-safe-area-top,0px));
  --safe-right:max(env(safe-area-inset-right,0px),var(--eazo-safe-area-right,0px));
  --safe-bottom:max(env(safe-area-inset-bottom,0px),var(--eazo-safe-area-bottom,0px));
  --safe-left:max(env(safe-area-inset-left,0px),var(--eazo-safe-area-left,0px));
  --ink:#f7f2f0;--bg:#080809;--vocal:#ffb945;--dance:#ff613c;--rap:#bd9bea;--dunk:#64aa87;
  --muted:#8a878f;--line:rgba(255,255,255,.09);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background:var(--bg);color:var(--ink);
  font-family:'Noto Sans SC',system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;overscroll-behavior:none}
body{user-select:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;touch-action:manipulation}
button:focus-visible,select:focus-visible{outline:2px solid #fff;outline-offset:3px}

.app{
  position:relative;height:100dvh;max-width:560px;margin:0 auto;display:flex;flex-direction:column;
  overflow:hidden;isolation:isolate;background:#080809;
  background-image:linear-gradient(180deg,rgba(8,8,9,.86),rgba(8,8,9,.62) 38%,rgba(8,8,9,.94)),
    url('./assets/court.webp');
  background-size:cover,cover;background-position:center,center 62%;background-repeat:no-repeat;
}
.app::before{
  content:'';position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(120% 55% at 50% 108%,rgba(255,185,69,.16),transparent 70%);
}
.stars{position:absolute;inset:0;z-index:0;pointer-events:none;color:rgba(255,255,255,.5)}
.stars i{position:absolute;font-style:normal;font-size:10px;animation:twinkle 4s ease-in-out infinite}
.stars i:nth-child(1){left:12%;top:22%}
.stars i:nth-child(2){right:16%;top:16%;animation-delay:.9s}
.stars i:nth-child(3){left:26%;top:46%;animation-delay:1.7s;font-size:7px}
.stars i:nth-child(4){right:24%;top:38%;animation-delay:2.4s;font-size:8px}
@keyframes twinkle{0%,100%{opacity:.15;transform:scale(.9)}50%{opacity:.75;transform:scale(1.15)}}

.top{position:relative;z-index:6;padding:calc(var(--safe-top) + 12px) 16px 4px}
.brand{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.kicker{font:700 9px/1 'Barlow Condensed',sans-serif;letter-spacing:.24em;color:var(--vocal)}
h1{margin:4px 0 0;font:900 21px/1.1 'Noto Sans SC',sans-serif;letter-spacing:.02em}
.brand-right{display:flex;align-items:center;gap:8px}
.lang{
  appearance:none;-webkit-appearance:none;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  color:var(--ink);font:700 10px/1 'Barlow Condensed',sans-serif;letter-spacing:.1em;padding:6px 8px;border-radius:999px;
}
.disc{
  width:26px;height:26px;border-radius:50%;border:1px solid rgba(255,185,69,.55);display:grid;place-items:center;
  font:800 10px 'Barlow Condensed',sans-serif;color:var(--vocal);letter-spacing:.06em;
}
.scoreline{display:flex;justify-content:space-between;align-items:flex-end;margin-top:10px}
.cell small{display:block;font:700 8px/1 'Barlow Condensed',sans-serif;letter-spacing:.24em;color:var(--muted)}
.cell strong{display:block;font:900 32px/1 'Barlow Condensed',sans-serif;letter-spacing:.03em}
.combo-cell{text-align:right}
.combo-cell strong{color:var(--vocal)}
.energyrow{display:flex;align-items:center;gap:8px;margin-top:7px}
.energyrow>span{font:700 8px/1 'Barlow Condensed',sans-serif;letter-spacing:.2em;color:var(--muted)}
.energy{flex:1;height:6px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
.energy i{display:block;height:100%;width:55%;border-radius:inherit;background:linear-gradient(90deg,#ff613c,#ffb945);transition:width .16s linear}
.energyrow.low .energy i{background:#ff3b2f;animation:pulseRed .7s ease-in-out infinite}
@keyframes pulseRed{50%{opacity:.5}}
.pause{width:26px;height:26px;border-radius:7px;border:1px solid rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;gap:3px;flex:0 0 auto}
.pause span{width:2px;height:10px;background:var(--ink);display:block;border-radius:1px}

.stage{position:relative;z-index:2;flex:1;min-height:0;display:grid;grid-template-columns:repeat(4,1fr);gap:5px;margin:10px 10px 0;overflow:hidden}
.lane{
  position:relative;border-radius:10px;overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.01) 40%,color-mix(in srgb,var(--c) 24%,transparent));
}
.lane::after{content:'';position:absolute;left:0;right:0;bottom:0;height:34%;background:linear-gradient(180deg,transparent,color-mix(in srgb,var(--c) 30%,transparent));pointer-events:none}
.lane-head{position:absolute;top:9px;left:0;right:0;text-align:center;z-index:2;font:800 8px/1.4 'Barlow Condensed',sans-serif;letter-spacing:.14em;color:var(--c)}
.lane-head b{display:block;font:900 15px/1.15 'Noto Sans SC',sans-serif;letter-spacing:0;color:#fff}
.guide{position:absolute;top:22%;bottom:0;left:50%;border-left:1px dashed rgba(255,255,255,.1)}
.notes{position:absolute;inset:0;pointer-events:none}
.note{
  position:absolute;left:50%;width:calc(100% - 12px);height:20px;border-radius:7px;
  background:linear-gradient(180deg,color-mix(in srgb,var(--c) 92%,#fff),var(--c));
  box-shadow:0 0 18px color-mix(in srgb,var(--c) 78%,transparent),inset 0 -3px 0 rgba(0,0,0,.28);
  transform:translateX(-50%);will-change:bottom,opacity;transition:opacity .15s,transform .15s;
}
.note::after{content:'';position:absolute;left:50%;top:50%;width:6px;height:6px;margin:-3px 0 0 -3px;border-radius:50%;background:rgba(8,8,9,.55)}
.note.hit{opacity:0;transform:translateX(-50%) scale(1.5)}
.judgeline{position:absolute;left:0;right:0;bottom:34px;height:2px;background:#f8f5e8;box-shadow:0 0 18px rgba(255,255,255,.65);z-index:3}
.judgeline i{position:absolute;left:50%;top:-3px;width:8px;height:8px;margin-left:-4px;border-radius:50%;background:#fff;box-shadow:0 0 12px #fff}
.feedback{
  position:absolute;left:0;right:0;bottom:64px;z-index:4;text-align:center;pointer-events:none;opacity:0;
  font:900 19px/1 'Barlow Condensed',sans-serif;letter-spacing:.18em;
}
.feedback.show{animation:fb .5s ease-out}
@keyframes fb{0%{opacity:0;transform:translateY(8px) scale(.9)}25%{opacity:1;transform:translateY(0) scale(1.05)}100%{opacity:0;transform:translateY(-14px) scale(1)}}
.combo-pop{
  position:absolute;left:0;right:0;top:44%;z-index:4;text-align:center;pointer-events:none;opacity:0;
  font:900 44px/1 'Barlow Condensed',sans-serif;color:#fff;text-shadow:3px 3px 0 var(--dance),0 0 30px rgba(255,185,69,.5);
}
.combo-pop.show{animation:pop .45s ease-out}
@keyframes pop{0%{opacity:0;transform:scale(.7)}30%{opacity:1;transform:scale(1.08)}100%{opacity:0;transform:scale(1)}}

.padbar{position:relative;z-index:6;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:10px 10px calc(var(--safe-bottom) + 10px)}
.pad{
  position:relative;height:64px;border-radius:10px;border:1px solid color-mix(in srgb,var(--c) 45%,transparent);
  background:linear-gradient(180deg,color-mix(in srgb,var(--c) 24%,#0b0b0c),#0b0b0c);
  color:var(--c);display:grid;place-items:center;box-shadow:inset 0 1px 0 rgba(255,255,255,.16);
  transition:transform .06s,box-shadow .12s,background .12s;
}
.pad span{font-size:18px;line-height:1}
.pad kbd{position:absolute;right:7px;bottom:5px;font:700 8px 'Barlow Condensed',sans-serif;letter-spacing:.08em;color:rgba(255,255,255,.35)}
.pad.hit{transform:scale(.95);background:var(--c);color:#0a0908;box-shadow:0 0 26px color-mix(in srgb,var(--c) 70%,transparent)}

.overlay{
  position:absolute;inset:0;z-index:30;overflow-y:auto;display:flex;flex-direction:column;
  background:rgba(6,6,8,.76);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  padding:calc(var(--safe-top) + 20px) 18px calc(var(--safe-bottom) + 20px);
}
.overlay[hidden]{display:none}
.overlay{scrollbar-width:none}
.overlay::-webkit-scrollbar{width:0;height:0}
.ov-inner{width:100%;max-width:400px;margin:auto;display:flex;flex-direction:column;gap:12px}
.ov-inner.narrow{max-width:340px}
.eyebrow{margin:0;font:700 9px/1 'Barlow Condensed',sans-serif;letter-spacing:.28em;color:var(--vocal)}
.overlay h2{margin:0;font:900 30px/1.05 'Noto Sans SC',sans-serif;letter-spacing:.02em}
.lede{margin:0;font-size:13px;line-height:1.55;color:#cfc9cd}
.picker-label{font:700 9px/1 'Barlow Condensed',sans-serif;letter-spacing:.22em;color:var(--muted);margin-bottom:7px}
.tracks{display:grid;gap:6px}
.track{
  display:flex;justify-content:space-between;align-items:center;gap:10px;text-align:left;padding:10px 12px;border-radius:10px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--ink);transition:border-color .15s,background .15s;
}
.track .t-name{font:700 13px/1.2 'Noto Sans SC',sans-serif}
.track .t-meta{font:700 9px 'Barlow Condensed',sans-serif;letter-spacing:.16em;color:var(--muted);white-space:nowrap}
.track.on{border-color:var(--vocal);background:rgba(255,185,69,.13)}
.track.on .t-meta{color:var(--vocal)}
.diffs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.diffs button{padding:10px 6px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);font:700 12px 'Noto Sans SC',sans-serif;color:#cfc9cd;transition:.15s}
.diffs button.on{background:var(--vocal);border-color:var(--vocal);color:#100d09}
.howto{
  display:grid;grid-template-columns:repeat(4,1fr);gap:6px;padding:11px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
}
.chip{display:grid;place-items:center;gap:2px;padding:7px 0;border-radius:8px;color:var(--c);background:color-mix(in srgb,var(--c) 16%,transparent)}
.chip b{font-size:15px;line-height:1}
.chip span{font:700 10px 'Noto Sans SC',sans-serif}
.howto p{grid-column:1/-1;margin:3px 0 0;font-size:11px;line-height:1.6;color:#bdb7bc}
.primary{
  width:100%;padding:15px;border-radius:12px;background:linear-gradient(180deg,#ffc75c,#ffb945);color:#0d0b09;
  font:900 15px 'Noto Sans SC',sans-serif;letter-spacing:.06em;display:flex;align-items:center;justify-content:center;gap:8px;
  box-shadow:0 12px 30px rgba(255,185,69,.24);
}
.primary i{font-style:normal;font-size:16px}
.ghost{width:100%;padding:12px;border-radius:12px;border:1px solid rgba(255,255,255,.16);color:#cfc9cd;font:700 12px 'Noto Sans SC',sans-serif}
.best{margin:0;text-align:center;font-size:11px;color:var(--muted);min-height:14px}

.result .grade{font:900 104px/1 'Barlow Condensed',sans-serif;padding:2px 0 8px;color:var(--vocal);text-shadow:6px 6px 0 var(--dance),0 0 50px rgba(255,185,69,.35)}
.result h2{font-size:23px}
.finalscore{margin:0;font:900 38px/1 'Barlow Condensed',sans-serif;letter-spacing:.02em}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;text-align:center}
.stat{border-top:1px solid rgba(255,255,255,.16);padding-top:6px}
.stat small{display:block;font:700 7px/1.4 'Barlow Condensed',sans-serif;letter-spacing:.12em;color:var(--muted)}
.stat b{font:900 19px/1 'Barlow Condensed',sans-serif}
.acc{display:flex;flex-direction:column;gap:6px;padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08)}
.acc-row{display:flex;align-items:center;gap:8px;font:700 10px 'Noto Sans SC',sans-serif;color:var(--c)}
.acc-row span{width:26px;flex:0 0 auto}
.acc-row i{flex:1;height:5px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
.acc-row i b{display:block;height:100%;width:0;border-radius:inherit;background:var(--c);transition:width .5s ease-out}
.acc-row em{flex:0 0 auto;width:34px;text-align:right;font:700 10px 'Barlow Condensed',sans-serif;font-style:normal;color:var(--muted)}
@media (max-height:660px){
  h1{font-size:19px}
  .cell strong{font-size:26px}
  .pad{height:54px}
  .overlay h2{font-size:24px}
  .result .grade{font-size:72px;padding-bottom:2px}
  .howto p{font-size:10px}
  .ov-inner{gap:9px}
  .track{padding:8px 10px}
  .diffs button{padding:8px 6px}
  .stats b{font-size:16px}
  .primary{padding:12px}
  .ghost{padding:10px}
  .acc{padding:8px 10px;gap:4px}
}
@media (max-height:560px){
  .howto p{display:none}
  .lede{font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}