:root{
  --blue:#4c84ff;
  --cyan:#24c7d9;
  --coral:#ff7b86;
  --purple:#866cff;
  --ink:#17304e;
  --muted:#718399;
  --panel:rgba(255,255,255,.94);
  --line:rgba(38,79,126,.14);
  --danger:#ff5c72;
  --success:#66d7a7;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 11% 0,rgba(111,199,255,.34),transparent 31%),
    radial-gradient(circle at 88% 8%,rgba(255,139,178,.24),transparent 28%),
    radial-gradient(circle at 50% 102%,rgba(108,255,213,.17),transparent 34%),
    #f3f7ff;
  overflow-x:hidden;
  -webkit-tap-highlight-color:transparent;
}
button,input{font:inherit}
button{cursor:pointer;touch-action:manipulation}
button:focus-visible,
.custom-music:focus-within{
  outline:3px solid rgba(36,199,217,.5);
  outline-offset:3px;
}
.hidden{display:none!important}
.app-shell{
  width:min(1280px,100vw);
  min-height:1024px;
  margin:auto;
}
.topbar{
  width:min(1180px,calc(100% - 48px));
  min-height:74px;
  margin:auto;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top:max(0px,env(safe-area-inset-top));
}
.brand-lockup{display:flex;align-items:center;min-width:0}
.brand-logo{
  width:380px;
  height:136px;
  object-fit:contain;
}
.sound-button{
  width:48px;height:48px;border:1px solid var(--line);background:#fff;border-radius:14px;
  display:grid;place-items:center;
  box-shadow:0 12px 30px rgba(43,72,112,.12);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease
}
.sound-button:active{transform:scale(.96)}
.sound-icon{position:relative;width:22px;height:22px;display:block}
.sound-icon:before{
  content:"";position:absolute;left:1px;top:6px;width:8px;height:10px;border-radius:3px 0 0 3px;
  background:var(--blue);box-shadow:7px -4px 0 -2px var(--blue),7px 4px 0 -2px var(--blue)
}
.sound-icon:after{
  content:"";position:absolute;right:1px;top:4px;width:10px;height:14px;border:2px solid var(--blue);
  border-left:0;border-radius:0 999px 999px 0
}
.sound-button.is-muted{background:#fff6f7;border-color:rgba(255,92,114,.32)}
.sound-button.is-muted .sound-icon:before{background:var(--danger);box-shadow:7px -4px 0 -2px var(--danger),7px 4px 0 -2px var(--danger)}
.sound-button.is-muted .sound-icon:after{width:16px;height:2px;right:1px;top:10px;border:0;border-radius:2px;background:var(--danger);transform:rotate(-42deg)}
.screen{display:none;min-height:950px;padding:10px 16px 24px}
.screen.active{display:block;animation:screenIn .38s ease both}
@keyframes screenIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

.setup-card{
  width:min(1040px,100%);
  margin:auto;
  background:var(--panel);
  border:1px solid rgba(255,255,255,.9);
  border-radius:20px;
  padding:18px 24px 24px;
  box-shadow:0 28px 80px rgba(43,72,112,.14);
  backdrop-filter:blur(18px);
}
.album-stage{position:relative;margin:0 auto 8px;display:flex;align-items:center;justify-content:center}
.album-carousel{
  position:relative;
  width:min(700px,calc(100vw - 110px));
  height:226px;
  overflow:hidden;
  touch-action:pan-y;
}
.album-card{
  position:absolute;left:50%;top:50%;
  width:176px;height:204px;
  transform:translate(-50%,-50%);
  border:0;border-radius:18px;padding:0;
  overflow:hidden;color:white;text-align:left;
  box-shadow:0 22px 55px rgba(23,48,78,.26);
  transition:transform .35s ease,opacity .35s ease,filter .35s ease;
  background:linear-gradient(145deg,#5c8cff,#8b6cff);
}
.album-card .cover-art{
  position:absolute;inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(1.04);
}
.album-card:before{
  content:"";
  position:absolute;
  z-index:1;
  inset:42% 0 0;
  background:linear-gradient(180deg,transparent,rgba(4,11,24,.76));
}
.album-card .album-copy{position:absolute;left:16px;right:16px;bottom:15px;z-index:2}
.album-card strong,.album-card small{display:block}
.album-card strong{font-size:20px;line-height:1.18}
.album-card small{margin-top:5px;color:rgba(255,255,255,.78)}
.album-card[data-pos="0"]{transform:translate(-50%,-50%) scale(1);z-index:4;opacity:1}
.album-card[data-pos="-1"]{transform:translate(-145%,-50%) scale(.78) rotateY(14deg);z-index:2;opacity:.66;filter:saturate(.75)}
.album-card[data-pos="1"]{transform:translate(45%,-50%) scale(.78) rotateY(-14deg);z-index:2;opacity:.66;filter:saturate(.75)}
.album-card[data-pos="-2"],.album-card[data-pos="2"]{opacity:0;pointer-events:none}
.album-arrow{
  position:absolute;z-index:8;width:46px;height:46px;border:0;border-radius:50%;
  background:#fff;color:var(--blue);font-size:30px;box-shadow:0 12px 30px rgba(43,72,112,.15);
  transition:transform .18s ease,box-shadow .18s ease
}
.album-arrow:active{transform:scale(.94)}
.album-arrow.left{left:0}.album-arrow.right{right:0}

.track-info{text-align:center;min-width:0}
.track-info small{color:var(--blue);font-weight:900}
.track-info h3{margin:3px 0;font-size:22px;overflow-wrap:anywhere}
.track-info p{margin:0;color:var(--muted)}
.analysis{margin:0;background:#eef5fb;border:1px solid rgba(76,132,255,.12);border-radius:10px;padding:12px;text-align:left}
.analysis b,.analysis small{display:block}
.analysis small{color:var(--muted);font-size:12px;margin-top:4px}
.analysis.working{outline:2px solid #ffca66;background:#fff8e8}
.analysis.ready{outline:2px solid #69d2a3;background:#effbf5}
.custom-music{
  display:grid;place-items:center;min-height:70px;
  border:1.5px dashed rgba(76,132,255,.45);border-radius:10px;background:#f7f9ff;padding:10px 12px;cursor:pointer;text-align:center;
  transition:background .18s ease,border-color .18s ease,transform .18s ease
}
.custom-music:hover{background:#eef5ff;border-color:rgba(36,199,217,.65)}
.custom-music:active{transform:scale(.99)}
.custom-music input{display:none}
.custom-music span{font-weight:900;color:var(--blue)}
.custom-music small{color:var(--muted);margin-top:4px}

.setup-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(330px,.85fr);gap:12px;margin-top:12px;align-items:stretch}
.setup-left{display:grid;gap:10px}
.setting-block{background:#f4f7fc;border-radius:10px;padding:12px}
.setting-block h3{margin:0 0 8px;font-size:13px}
.difficulty{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.difficulty button{
  min-width:0;min-height:58px;border:1px solid var(--line);border-radius:10px;background:#fff;text-align:left;padding:10px 11px;font-weight:900;color:var(--ink);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,background .18s ease
}
.difficulty small{display:block;color:var(--muted);font-weight:500;margin-top:3px}
.difficulty button:hover{border-color:rgba(76,132,255,.4);box-shadow:0 8px 18px rgba(43,72,112,.08)}
.difficulty button:active{transform:scale(.98)}
.difficulty button.active{color:#245ea8;border-color:rgba(76,132,255,.72);background:linear-gradient(180deg,#eef6ff,#fff);box-shadow:0 8px 20px rgba(76,132,255,.16)}
.fall-speed{display:grid;gap:7px;margin-top:10px}
.fall-speed>span{font-size:12px;color:var(--muted);font-weight:900}
.fall-speed-options{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}
.fall-speed-options button{
  min-height:38px;
  border:1px solid var(--line);
  border-radius:8px;
  background:#fff;
  color:var(--ink);
  font-size:12px;
  font-weight:900;
}
.fall-speed-options button.active{
  color:#245ea8;
  border-color:rgba(76,132,255,.72);
  background:#eef6ff;
}
.field{display:flex;justify-content:space-between;align-items:center;margin:7px 0}
.field label{font-size:13px;color:var(--muted);font-weight:800}
.field input{width:92px;border:1px solid var(--line);border-radius:10px;padding:8px;background:#fff}
.primary,.secondary{
  min-height:48px;border:0;border-radius:12px;padding:12px 16px;font-weight:900;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease
}
.primary{color:#fff;background:linear-gradient(135deg,var(--blue),var(--purple));box-shadow:0 12px 28px rgba(84,102,230,.25)}
.primary:hover{filter:saturate(1.06) brightness(1.02)}
.primary:active,.secondary:active{transform:scale(.985)}
.secondary{color:var(--blue);background:#eaf1ff;width:100%;margin-top:10px}
.primary:disabled,.secondary:disabled{opacity:.45;cursor:not-allowed}
.start-button{display:block;width:min(360px,100%);margin:16px auto 0;font-size:16px}
.game-page{width:min(1180px,100%);min-height:860px;margin:auto}
.game-top{display:flex;justify-content:center;align-items:center;gap:18px;margin-bottom:10px;text-align:center}
.now-playing small,.hud-number small{display:block;color:var(--muted)}
.now-playing strong{font-size:22px;line-height:1.18}
.play-layout{display:grid;grid-template-columns:190px minmax(520px,560px) 190px;gap:14px;align-items:start;justify-content:center}
.play-side{display:grid;gap:8px}
.score-hud{display:grid;gap:8px}
.hud-number{min-width:0;background:#fff;border:1px solid rgba(38,79,126,.08);border-radius:10px;padding:10px 12px;box-shadow:0 10px 24px rgba(43,72,112,.09)}
.hud-number b{display:block;font-size:26px;line-height:1.05}
.hud-number span{display:block;color:var(--muted);font-size:11px}
.hud-number em{font-style:normal}
.score-pop.bump b,.combo-pop.bump b{animation:numberPop .26s ease}
@keyframes numberPop{50%{transform:scale(1.22);color:var(--blue)}}

.life-panel{display:grid;grid-template-columns:auto auto;gap:7px 9px;align-items:center;background:#fff;border:1px solid rgba(38,79,126,.08);border-radius:10px;padding:10px 12px}
.life-panel span{font-weight:900}
.life-track{grid-column:1/-1;height:12px;background:#e9edf5;border-radius:999px;overflow:hidden;box-shadow:inset 0 0 0 1px rgba(0,0,0,.04)}
.life-track i{display:block;height:100%;width:100%;border-radius:inherit;background:linear-gradient(90deg,#66d7a7,#ffcf69,#ff5c72);transition:width .25s ease,filter .2s}
.life-panel.danger .life-track i{filter:saturate(1.4) brightness(1.08);animation:dangerPulse .55s infinite alternate}
@keyframes dangerPulse{to{opacity:.55}}

.game{
  position:relative;width:560px;height:690px;margin:auto;overflow:hidden;border-radius:20px;
  background:linear-gradient(180deg,#081328,#182d4f 58%,#071222);
  box-shadow:0 25px 75px rgba(14,31,62,.32);touch-action:none
}
.game:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 68px,rgba(255,255,255,.026) 69px),radial-gradient(circle at 50% 0,rgba(36,199,217,.26),transparent 38%),radial-gradient(circle at 95% 65%,rgba(255,123,134,.13),transparent 32%)}
.lanes,#notes{position:absolute;inset:0 0 80px}
.lanes{display:grid;grid-template-columns:repeat(4,1fr)}
.lanes i{border-right:1px solid rgba(255,255,255,.1);background:linear-gradient(180deg,rgba(255,255,255,.025),transparent 55%)}
.lanes i:nth-child(even){background:linear-gradient(180deg,rgba(91,141,255,.045),transparent 58%)}
.lanes i:first-child{border-left:1px solid rgba(255,255,255,.1)}
.note{position:absolute;top:-38px;width:calc(25% - 10px);height:22px;margin-left:5px;border-radius:8px;background:linear-gradient(#fff,#9fc3ff);box-shadow:0 0 19px #78aaff;will-change:transform}
.note.l1{background:linear-gradient(#fff,#c8b5ff);box-shadow:0 0 19px #a98cff}
.note.l2{background:linear-gradient(#fff,#91e7dd);box-shadow:0 0 19px #54d4c6}
.note.l3{background:linear-gradient(#fff,#ffd49a);box-shadow:0 0 19px #ffb95b}
.note.strong{border:2px solid white;height:28px}
.note.hold{height:var(--h);min-height:90px;border-radius:11px;transform-origin:bottom center;background:linear-gradient(180deg,#fff 0,#a6c6ff 8%,rgba(72,128,240,.92) 30%,rgba(72,128,240,.45) 100%);box-shadow:0 0 25px rgba(104,161,255,.95),inset 0 0 0 2px rgba(255,255,255,.25)}
.note.hold:after{content:"HOLD";position:absolute;bottom:7px;left:50%;transform:translateX(-50%);font-size:9px;font-weight:1000;color:#2e5bac}
.note.holding{filter:brightness(1.5);box-shadow:0 0 40px white,0 0 65px #6ba7ff}
.note.broken{opacity:.25;filter:grayscale(1)}
.note.multi-hold{border:2px solid rgba(255,255,255,.92);background:linear-gradient(180deg,#fff 0,#d6e7ff 7%,rgba(97,145,255,.96) 28%,rgba(106,92,238,.55) 100%)}
.note.multi-hold:after{content:"HOLD ×" attr(data-count)}
.note.bonus:before{content:"★";position:absolute;inset:0;display:grid;place-items:center;color:#fff}
.note.phrase-end{outline:2px solid rgba(255,232,124,.9)}

.hit-line{position:absolute;left:0;right:0;bottom:80px;height:5px;background:linear-gradient(90deg,transparent,#76f0ff 10%,white 50%,#ffd38a 90%,transparent);box-shadow:0 0 30px #86e9ff}
.keys{position:absolute;left:0;right:0;bottom:0;height:80px;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(4,11,24,.96)}
.keys button{min-height:80px;border:0;border-right:1px solid rgba(255,255,255,.11);color:white;background:rgba(255,255,255,.03);transition:background .12s ease,transform .12s ease,filter .12s ease}
.keys b,.keys small{display:block}.keys b{font-size:23px}.keys small{color:rgba(255,255,255,.45)}
.keys button.active{background:rgba(99,153,255,.45);transform:scale(.97);filter:brightness(1.2)}
.keys button.hit-wave{animation:keyWave .32s ease-out}
@keyframes keyWave{50%{box-shadow:inset 0 0 0 999px rgba(255,255,255,.12)}}
.game-help{
  position:absolute;
  z-index:26;
  left:50%;
  bottom:94px;
  transform:translate(-50%,8px);
  width:max-content;
  max-width:calc(100% - 28px);
  padding:8px 12px;
  border-radius:8px;
  color:#fff;
  background:rgba(4,11,24,.78);
  box-shadow:0 12px 30px rgba(0,0,0,.28);
  font-size:12px;
  font-weight:900;
  text-align:center;
  opacity:0;
  pointer-events:none;
  transition:opacity .18s ease,transform .18s ease;
}
.game:hover .game-help,
.game:focus-within .game-help{
  opacity:1;
  transform:translate(-50%,0);
}
.judge{position:absolute;z-index:12;top:48%;left:50%;transform:translate(-50%,-50%);opacity:0;font-size:38px;font-weight:1000;font-style:italic;color:white;text-shadow:0 7px 28px #000;pointer-events:none}
.judge.show{animation:judge .5s}.judge.perfect{color:#9cecff}.judge.great{color:#c6b3ff}.judge.good{color:#ffd68b}.judge.miss{color:#ff8994}.judge.hold-ok{color:#91ffd0}.judge.early{color:#8fd4ff}.judge.late{color:#ffb17f}
@keyframes judge{0%{opacity:0;transform:translate(-50%,-50%) scale(.5)}25%{opacity:1;transform:translate(-50%,-50%) scale(1.15)}100%{opacity:0;transform:translate(-50%,-75%) scale(1)}}
.countdown{position:absolute;z-index:30;inset:0;display:grid;place-items:center;color:white;font-size:85px;font-weight:1000;text-shadow:0 8px 35px #000}
.cover{position:absolute;z-index:25;inset:0;display:grid;place-items:center;padding:20px;background:rgba(5,13,29,.68);backdrop-filter:blur(7px);color:#fff;text-align:center}
.cover>div{border:1px solid rgba(255,255,255,.18);background:rgba(17,34,65,.85);border-radius:20px;padding:25px}

.flow-hud{position:absolute;z-index:18;left:14px;right:14px;top:18px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:9px;pointer-events:none;padding:8px 10px;border-radius:999px;background:rgba(4,11,24,.38);backdrop-filter:blur(10px)}
.flow-hud span{color:rgba(255,255,255,.7);font-size:10px;font-weight:900}
.flow-track{height:7px;border-radius:999px;overflow:hidden;background:rgba(255,255,255,.12)}
.flow-track i{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#67d8ff,#8b7cff,#ff88d2);transition:width .18s ease}
.flow-hud b{color:#fff}
.section-banner{position:absolute;z-index:24;left:50%;top:60px;transform:translateX(-50%);padding:7px 14px;border-radius:999px;color:#fff;font-size:12px;font-weight:1000;background:linear-gradient(135deg,rgba(65,132,255,.94),rgba(131,92,240,.94));animation:sectionIn .9s ease both}
@keyframes sectionIn{0%{opacity:0;transform:translate(-50%,-12px) scale(.9)}25%{opacity:1;transform:translate(-50%,0) scale(1.04)}100%{opacity:0;transform:translate(-50%,0) scale(1)}}
.hit-particle{position:absolute;z-index:30;width:7px;height:7px;border-radius:50%;background:white;box-shadow:0 0 12px currentColor;pointer-events:none;animation:particleFly .48s ease-out forwards}
@keyframes particleFly{to{opacity:0;transform:translate(var(--dx),var(--dy)) scale(.2)}}
.game.beat-pulse:after{content:"";position:absolute;z-index:2;inset:0;pointer-events:none;background:radial-gradient(circle at 50% 78%,rgba(126,181,255,.22),transparent 48%);animation:beatPulse .18s ease-out}
@keyframes beatPulse{to{opacity:0;transform:scale(1.02)}}
.game.combo-flow{animation:comboFlow .24s ease-out}
@keyframes comboFlow{45%{filter:brightness(1.18)}}
.game.fever{box-shadow:0 25px 75px rgba(14,31,62,.32),0 0 48px rgba(142,105,255,.58)}

.live-stats{grid-template-columns:1fr}
.live-stats>div{background:#fff;border:1px solid rgba(38,79,126,.08);border-radius:10px;padding:10px 12px;text-align:center}
.live-stats small{display:block;color:var(--muted)}
.live-stats b{font-size:18px}
.hidden-data{display:none}

.result-card{
  width:min(860px,100%);margin:0 auto;background:#fff;border-radius:20px;padding:22px 34px 30px;text-align:center;
  box-shadow:0 30px 90px rgba(43,72,112,.18);animation:resultIn .5s cubic-bezier(.2,.8,.2,1)
}
#resultScreen.active{
  display:grid;
  align-items:start;
  justify-items:center;
  padding-top:7px;
}
@keyframes resultIn{from{opacity:0;transform:scale(.88) translateY(24px)}to{opacity:1;transform:none}}
.result-card.super{background:linear-gradient(180deg,#fff,#f4f0ff)}
.result-card.retry{background:linear-gradient(180deg,#fff,#eef6ff)}
.result-card.fail{background:linear-gradient(180deg,#fff,#fff0f2)}
.result-badge{width:74px;height:74px;margin:0 auto;display:grid;place-items:center;border-radius:18px;color:#fff;font-size:38px;background:linear-gradient(135deg,var(--blue),var(--purple));box-shadow:0 14px 32px rgba(84,102,230,.28)}
.result-kicker{margin:12px 0 2px;color:var(--muted);font-weight:900}
.result-card h2{margin:0;font-size:40px}
.result-card>p{color:var(--muted)}
.result-score{margin:16px auto;background:#f3f6fb;border-radius:18px;padding:14px}
.result-score small{display:block;color:var(--muted)}
.result-score b{font-size:42px}
.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.result-grid>div{background:#f7f9fc;border-radius:12px;padding:12px}
.result-grid small{display:block;color:var(--muted)}
.result-grid b{font-size:20px}
.result-actions{display:flex;justify-content:center;gap:10px;margin-top:22px}
.result-actions .primary,.result-actions .secondary{width:130px;margin:0}

@media(max-width:760px){
  body{overflow-x:hidden}
  .app-shell{width:100%;min-height:100dvh}
  .topbar{width:calc(100% - 24px);min-height:72px}
  .brand-logo{width:136px;height:52px}
  .screen{min-height:calc(100dvh - 72px);padding:8px 0 max(18px,env(safe-area-inset-bottom))}
  .setup-card{width:100%;max-width:100%;overflow:hidden;border-radius:0;padding:14px}
  .album-stage{overflow:hidden;margin-left:0;margin-right:0;padding:0}
  .album-carousel{width:100%;height:220px}
  .album-card{width:160px;height:190px}
  .album-card strong{font-size:18px}
  .album-card[data-pos="-1"]{transform:translate(-118%,-50%) scale(.68)}
  .album-card[data-pos="1"]{transform:translate(18%,-50%) scale(.68)}
  .album-arrow{display:none}
  .track-info h3{font-size:23px;line-height:1.18}
  .analysis,
  .custom-music,
  .setting-block{
    width:100%;
    max-width:100%;
  }
  .analysis small,
  .custom-music small{
    overflow-wrap:anywhere;
  }
  .setup-grid{grid-template-columns:1fr}
  .setting-block{overflow:hidden}
  .difficulty{grid-template-columns:repeat(2,minmax(0,1fr))}
  .difficulty button{max-width:100%}
  .game-page{padding:0 8px;min-height:0}
  .game-top{align-items:stretch;gap:8px;margin-bottom:8px}
  .now-playing{min-width:0;flex:1}
  .now-playing strong{display:block;font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:42vw}
  .play-layout{display:grid;grid-template-columns:1fr;gap:8px}
  .play-side-left{grid-row:1}
  .game{grid-row:2}
  .live-stats{grid-row:3}
  .score-hud{grid-template-columns:repeat(2,1fr)}
  .hud-number{min-width:0;padding:8px}
  .hud-number b{font-size:22px}
  .life-panel{padding:8px 10px}
  .game{width:100%;height:calc(100dvh - 312px);min-height:430px;border-radius:16px}
  .judge{font-size:31px}
  .countdown{font-size:68px}
  .live-stats{grid-template-columns:repeat(5,1fr)}
  .live-stats>div{padding:8px 3px}
  .live-stats small{font-size:10px}
  .result-card{margin:2vh 10px 0;width:auto;padding:24px 16px}
  .result-grid{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:380px){
  .difficulty button{min-height:64px;padding:10px}
  .game{height:calc(100dvh - 226px);min-height:430px}
  .live-stats b{font-size:16px}
}

@media(orientation:landscape) and (max-height:560px){
  .topbar{min-height:58px}
  .brand-logo{width:112px;height:42px}
  .screen{min-height:calc(100dvh - 58px);padding:4px 8px 10px}
  .game-top{margin-bottom:6px}
  .game{height:calc(100dvh - 148px);min-height:340px}
  .live-stats{display:none}
}

@media(prefers-reduced-motion:reduce){
  *,
  *:before,
  *:after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    scroll-behavior:auto!important;
    transition-duration:.01ms!important;
  }
}


/* V11：DJ 式选歌页。BPM 与校准只在程序内部保留，不向玩家显示。 */
.internal-settings{display:none!important}
.album-card[data-pos="0"] .cover-art{
  animation:selectedAlbumPulse 2.2s ease-in-out infinite;
}
.album-card[data-pos="0"]:after{
  content:"正在试听";
  position:absolute;
  left:50%;
  bottom:-34px;
  transform:translateX(-50%);
  padding:6px 12px;
  border-radius:999px;
  color:#fff;
  font-size:11px;
  font-weight:900;
  white-space:nowrap;
  background:linear-gradient(135deg,#4c84ff,#866cff);
  box-shadow:0 10px 24px rgba(74,99,220,.28);
}
@keyframes selectedAlbumPulse{
  0%,100%{filter:brightness(1);box-shadow:0 24px 55px rgba(38,67,130,.22)}
  50%{filter:brightness(1.08);box-shadow:0 28px 75px rgba(93,102,230,.38)}
}

/* 顶栏操作：谱面编辑入口与总静音 */
.top-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.recorder-entry{min-height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 15px;border:1px solid rgba(76,132,255,.24);border-radius:12px;background:#fff;color:#245ea8;text-decoration:none;font-weight:900;box-shadow:0 10px 26px rgba(43,72,112,.1);transition:background .18s ease,transform .18s ease,box-shadow .18s ease}
.recorder-entry:hover{background:#eef5ff;box-shadow:0 12px 28px rgba(43,72,112,.14)}
.recorder-entry:active{transform:scale(.97)}
@media(max-width:620px){.top-actions{gap:6px}.recorder-entry{font-size:12px;padding:0 10px;min-height:40px}.sound-button{width:44px;height:44px}}


/* 自定义音乐 + OSU 双入口 */
.custom-source-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
}
.custom-source-grid .custom-music{
  min-width:0;
  min-height:86px;
}
.custom-source-grid .custom-osu{
  border-color:rgba(134,108,255,.42);
  background:linear-gradient(180deg,#faf8ff,#f7f9ff);
}
.custom-source-grid .custom-osu:hover{
  border-color:rgba(134,108,255,.72);
  background:#f4efff;
}
.custom-source-grid .custom-osu span{
  color:var(--purple);
}
@media (max-width:760px){
  .custom-source-grid{
    grid-template-columns:1fr;
  }
}