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cadence
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/* ── Cadence ── dark, glassy music player ─────────────────────────────── */
:root{
  --bg:#08080d;
  --panel:rgba(20,20,30,.72);
  --card:rgba(255,255,255,.045);
  --card-hover:rgba(255,255,255,.085);
  --line:rgba(255,255,255,.09);
  --text:#eef0f7;
  --muted:#969db4;
  --dim:#6b7188;
  --accent:#8b5cf6;
  --accent-2:#22d3ee;
  --accent-soft:rgba(139,92,246,.16);
  --radius:16px;
  --shadow:0 18px 50px -18px rgba(0,0,0,.85);
  --player-h:96px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font:15px/1.45 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;overflow:hidden;
}
body::before,body::after{
  content:"";position:fixed;inset:auto;border-radius:50%;filter:blur(90px);pointer-events:none;z-index:0;
}
body::before{width:52vw;height:52vw;left:-14vw;top:-18vw;background:radial-gradient(circle at 30% 30%,rgba(139,92,246,.42),transparent 62%)}
body::after{width:46vw;height:46vw;right:-12vw;bottom:-16vw;background:radial-gradient(circle at 60% 60%,rgba(34,211,238,.30),transparent 62%)}
svg{width:20px;height:20px;fill:currentColor;flex:0 0 auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input[type=range]{appearance:none;-webkit-appearance:none;background:transparent;margin:0;cursor:pointer}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px;border:3px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.26);background-clip:content-box}

.app{position:relative;z-index:1;height:100dvh;display:grid;grid-template-rows:auto minmax(0,1fr) auto}

/* ── top bar ── */
.topbar{
  display:flex;align-items:center;gap:18px;padding:14px 22px;
  border-bottom:1px solid var(--line);backdrop-filter:blur(18px);
  background:linear-gradient(180deg,rgba(12,12,20,.85),rgba(10,10,16,.6));
}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:inherit;flex:0 0 auto}
.brand-mark{display:flex;align-items:flex-end;gap:3px;height:24px}
.brand-mark span{width:4px;border-radius:3px;background:linear-gradient(180deg,var(--accent-2),var(--accent));animation:eq 1.15s ease-in-out infinite}
.brand-mark span:nth-child(1){height:12px;animation-delay:-.35s}
.brand-mark span:nth-child(2){height:22px;animation-delay:-.7s}
.brand-mark span:nth-child(3){height:16px}
.brand-name{font-weight:700;font-size:19px;letter-spacing:.2px}
@keyframes eq{0%,100%{transform:scaleY(.45)}50%{transform:scaleY(1)}}

.searchwrap{position:relative;flex:1 1 auto;max-width:620px;display:flex;align-items:center;margin:0 auto}
.searchwrap .sicon{position:absolute;left:14px;color:var(--dim);width:18px;height:18px}
.searchwrap input{
  width:100%;padding:12px 44px 12px 42px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);color:var(--text);outline:none;font-size:14.5px;
  transition:border-color .15s,background .15s,box-shadow .15s;
}
.searchwrap input:focus{border-color:rgba(139,92,246,.65);background:rgba(255,255,255,.08);box-shadow:0 0 0 4px var(--accent-soft)}
.searchwrap input::placeholder{color:var(--dim)}
.searchwrap input::-webkit-search-cancel-button{filter:invert(.6)}
.searchwrap kbd{
  position:absolute;right:12px;font-size:11px;color:var(--dim);border:1px solid var(--line);
  border-radius:6px;padding:2px 7px;background:rgba(255,255,255,.04)
}
.searchwrap:focus-within kbd{opacity:0}

.suggest{
  position:absolute;top:calc(100% + 8px);left:0;right:0;z-index:60;
  background:rgba(18,18,28,.97);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow);overflow:hidden;backdrop-filter:blur(20px)
}
.suggest div{padding:10px 16px;font-size:14px;color:var(--muted);cursor:pointer;display:flex;gap:10px;align-items:center}
.suggest div svg{width:15px;height:15px;color:var(--dim)}
.suggest div:hover,.suggest div.active{background:rgba(139,92,246,.18);color:var(--text)}

.ghost-btn{
  display:flex;align-items:center;gap:8px;padding:9px 15px;border-radius:999px;
  border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.03);font-size:13.5px;
  transition:.15s;flex:0 0 auto
}
.ghost-btn:hover{color:var(--text);background:rgba(255,255,255,.08)}
.ghost-btn.active{color:var(--text);border-color:rgba(139,92,246,.5);background:var(--accent-soft)}

/* ── content / views ── */
.content{display:grid;grid-template-columns:minmax(0,1fr) 336px;min-height:0;transition:grid-template-columns .22s ease}
.content.queue-hidden{grid-template-columns:minmax(0,1fr) 0px}
.view{overflow-y:auto;padding:26px 28px 40px;min-height:0}
.queue-panel{
  overflow:hidden;border-left:1px solid var(--line);background:var(--panel);
  display:flex;flex-direction:column;min-height:0;backdrop-filter:blur(20px)
}

.hero{max-width:760px;margin:4vh auto 0;text-align:center}
.hero h1{font-size:clamp(30px,4.4vw,50px);line-height:1.08;margin:0 0 14px;font-weight:800;letter-spacing:-.5px}
.hero h1 em{font-style:normal;background:linear-gradient(96deg,var(--accent-2),var(--accent) 60%,#f472b6);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);margin:0 auto 26px;max-width:520px;font-size:15.5px}
.hero .cta{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

.section{margin:34px 0 0}
.section h2{font-size:15px;margin:0 0 14px;letter-spacing:.4px;text-transform:uppercase;color:var(--muted);font-weight:600;display:flex;align-items:center;gap:9px}
.section h2 svg{width:16px;height:16px;color:var(--accent)}
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{
  padding:8px 15px;border-radius:999px;border:1px solid var(--line);background:var(--card);
  font-size:13.5px;color:var(--muted);transition:.15s;display:inline-flex;gap:8px;align-items:center
}
.chip:hover{color:var(--text);background:var(--card-hover);transform:translateY(-1px)}
.chip.strong{color:var(--text);border-color:rgba(139,92,246,.45);background:var(--accent-soft)}
.chip small{color:var(--dim)}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px;cursor:pointer;transition:.16s;text-align:left;width:100%}
.card:hover{background:var(--card-hover);transform:translateY(-2px);border-color:rgba(139,92,246,.35)}
.card-art{aspect-ratio:1/1;border-radius:10px;overflow:hidden;margin-bottom:10px;background:linear-gradient(140deg,#22223a,#14141f);display:grid;place-items:center}
.card-art img{width:100%;height:100%;object-fit:cover;display:block}
.card-art svg{width:34px;height:34px;color:var(--dim)}
.card-title{font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card-sub{font-size:12px;color:var(--dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}

/* artist header */
.artist-head{display:flex;gap:22px;align-items:flex-end;padding:6px 0 22px;border-bottom:1px solid var(--line);margin-bottom:24px;flex-wrap:wrap}
.artist-head img{width:154px;height:154px;border-radius:50%;object-fit:cover;box-shadow:var(--shadow);background:#1a1a26}
.artist-head .ah-text{flex:1 1 320px;min-width:0}
.eyebrow{font-size:12px;letter-spacing:1.4px;text-transform:uppercase;color:var(--accent-2);font-weight:700}
.artist-head h1{font-size:clamp(28px,4vw,42px);margin:6px 0 8px;font-weight:800;letter-spacing:-.4px}
.artist-head .stats{color:var(--muted);font-size:13.5px;margin-bottom:14px}
.artist-head .desc{color:var(--dim);font-size:13px;max-width:640px;max-height:3.9em;overflow:hidden}

/* track list */
.tracks{display:flex;flex-direction:column;gap:2px;margin-top:4px}
.trow{
  display:grid;grid-template-columns:34px 46px minmax(0,1fr) minmax(0,1.1fr) auto;align-items:center;gap:12px;
  padding:7px 12px;border-radius:11px;cursor:pointer;transition:background .12s;position:relative
}
.trow:hover{background:var(--card-hover)}
.trow.now{background:var(--accent-soft);box-shadow:inset 0 0 0 1px rgba(139,92,246,.3)}
.trow .idx{color:var(--dim);font-size:13px;font-variant-numeric:tabular-nums;text-align:right;position:relative}
.trow .idx .playicon{position:absolute;inset:0;display:none;place-items:center}
.trow .idx .playicon svg{width:15px;height:15px;color:var(--text)}
.trow:hover .idx .num{display:none}
.trow:hover .idx .playicon{display:grid}
.trow .art{width:46px;height:46px;border-radius:8px;object-fit:cover;background:#1c1c28;display:block}
.trow .meta{min-width:0}
.trow .tt{font-size:14px;font-weight:550;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.trow .ta{font-size:12.5px;color:var(--dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.trow .ta a{color:inherit;text-decoration:none}
.trow .ta a:hover{color:var(--accent-2);text-decoration:underline}
.trow .album{font-size:12.5px;color:var(--dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.trow .album a{color:inherit;text-decoration:none}
.trow .album a:hover{color:var(--accent-2);text-decoration:underline}
.trow .end{display:flex;align-items:center;gap:6px;color:var(--dim);font-size:12.5px}
.trow .addq{opacity:0;transition:.12s}
.trow:hover .addq{opacity:1}
.trow .nowbars{display:flex;align-items:flex-end;gap:2px;height:15px;width:15px}
.trow .nowbars i{width:3px;background:var(--accent-2);border-radius:2px;height:100%;animation:eq .9s ease-in-out infinite;transform-origin:bottom}
.trow .nowbars i:nth-child(2){animation-delay:-.3s}
.trow .nowbars i:nth-child(3){animation-delay:-.6s}
.playing .nowbars i{animation-play-state:running}

/* queue panel */
.queue-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding:20px 20px 14px;border-bottom:1px solid var(--line)}
.queue-head h2{font-size:15px;margin:0;font-weight:700}
.queue-head p{margin:4px 0 0;font-size:12px;color:var(--dim)}
.queue-list{list-style:none;margin:0;padding:10px;overflow-y:auto;min-height:0;flex:1}
.qrow{display:grid;grid-template-columns:38px minmax(0,1fr) auto;gap:10px;align-items:center;padding:7px 9px;border-radius:10px;cursor:pointer}
.qrow:hover{background:var(--card-hover)}
.qrow.now{background:var(--accent-soft)}
.qrow img{width:38px;height:38px;border-radius:7px;object-fit:cover;background:#1c1c28}
.qrow .qt{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.qrow .qa{font-size:11.5px;color:var(--dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.qrow .qd{font-size:11.5px;color:var(--dim);font-variant-numeric:tabular-nums}
.queue-empty{padding:26px 20px;color:var(--dim);font-size:13px;text-align:center;line-height:1.7}

/* ── player bar ── */
.player{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,1.5fr) minmax(0,1fr);align-items:center;gap:20px;
  padding:12px 22px;border-top:1px solid var(--line);background:rgba(12,12,20,.86);backdrop-filter:blur(22px);min-height:var(--player-h)
}
.np{display:flex;align-items:center;gap:13px;min-width:0}
.np-art{
  width:54px;height:54px;border-radius:10px;overflow:hidden;flex:0 0 auto;display:grid;place-items:center;
  background:linear-gradient(140deg,#262640,#151522);border:1px solid var(--line)
}
.np-art img{width:100%;height:100%;object-fit:cover;display:block}
.np-art svg{color:var(--dim)}
.np-meta{min-width:0}
.np-title{font-size:14px;font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.np-artist{font-size:12.5px;color:var(--dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:3px}
.np-artist a{color:inherit;text-decoration:none}
.np-artist a:hover{color:var(--accent-2)}
.in-queue{margin-left:auto}

.controls{display:flex;flex-direction:column;gap:6px;min-width:0}
.buttons{display:flex;align-items:center;justify-content:center;gap:8px}
.icon-btn{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:var(--muted);transition:.15s}
.icon-btn:hover{color:var(--text);background:rgba(255,255,255,.08)}
.icon-btn.on{color:var(--accent-2);background:var(--accent-soft)}
.icon-btn svg{width:19px;height:19px}
.play-btn{
  width:47px;height:47px;border-radius:50%;display:grid;place-items:center;color:#0b0b12;
  background:linear-gradient(140deg,#a78bfa,#22d3ee);box-shadow:0 8px 22px -8px rgba(139,92,246,.9);transition:.15s
}
.play-btn:hover{transform:scale(1.05)}
.play-btn svg{width:20px;height:20px}
.seekrow{display:flex;align-items:center;gap:11px}
.seekrow .t{font-size:11.5px;color:var(--dim);font-variant-numeric:tabular-nums;min-width:36px;text-align:center}
.seekwrap{position:relative;flex:1;height:16px;display:flex;align-items:center}
.seekwrap input[type=range]{width:100%;height:16px;position:relative;z-index:2}
.seekwrap input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:99px;background:rgba(255,255,255,.13)}
.seekwrap input[type=range]::-moz-range-track{height:4px;border-radius:99px;background:rgba(255,255,255,.13)}
.seekwrap input[type=range]::-webkit-slider-thumb{appearance:none;width:12px;height:12px;border-radius:50%;background:#fff;margin-top:-4px;opacity:0;transition:opacity .15s}
.seekwrap input[type=range]::-moz-range-thumb{width:12px;height:12px;border:0;border-radius:50%;background:#fff;opacity:0}
.seekwrap:hover input[type=range]::-webkit-slider-thumb,.seekwrap input[type=range]:focus::-webkit-slider-thumb{opacity:1}
.seekwrap:hover input[type=range]::-moz-range-thumb{opacity:1}
.seekfill{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);height:4px;border-radius:99px;pointer-events:none;overflow:hidden}
.seekfill span{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}

.right{display:flex;align-items:center;justify-content:flex-end;gap:10px}
.vol{width:92px;height:16px}
.vol::-webkit-slider-runnable-track{height:4px;border-radius:99px;background:rgba(255,255,255,.13)}
.vol::-moz-range-track{height:4px;border-radius:99px;background:rgba(255,255,255,.13)}
.vol::-webkit-slider-thumb{appearance:none;width:12px;height:12px;border-radius:50%;background:var(--accent-2);margin-top:-4px}
.vol::-moz-range-thumb{width:12px;height:12px;border:0;border-radius:50%;background:var(--accent-2)}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;color:var(--accent-2);border:1px solid rgba(34,211,238,.35);background:rgba(34,211,238,.1);padding:4px 10px;border-radius:99px}
.badge svg{width:13px;height:13px}

.spinner{display:grid;place-items:center;width:30px;height:30px}
.spinner span{width:19px;height:19px;border-radius:50%;border:2px solid rgba(255,255,255,.18);border-top-color:var(--accent-2);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* toasts */
.toasts{position:fixed;bottom:calc(var(--player-h) + 18px);left:50%;transform:translateX(-50%);z-index:99;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{
  background:rgba(26,26,38,.97);border:1px solid var(--line);color:var(--text);padding:11px 18px;border-radius:12px;
  font-size:13.5px;box-shadow:var(--shadow);animation:pop .22s ease;max-width:420px;text-align:center
}
.toast.err{border-color:rgba(244,63,94,.45)}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.97)}}

.empty{padding:60px 10px;text-align:center;color:var(--dim)}
.empty h3{color:var(--muted);margin:0 0 8px;font-weight:600}
.skeleton{height:60px;border-radius:11px;background:linear-gradient(90deg,rgba(255,255,255,.04),rgba(255,255,255,.09),rgba(255,255,255,.04));background-size:200% 100%;animation:sk 1.2s linear infinite;margin-bottom:6px}
@keyframes sk{to{background-position:-200% 0}}

@media (max-width:900px){
  .content{grid-template-columns:minmax(0,1fr)}
  .queue-panel{position:fixed;top:0;right:0;bottom:var(--player-h);width:min(88vw,340px);z-index:80;transform:translateX(102%);transition:transform .24s ease;box-shadow:var(--shadow)}
  .queue-panel.open{transform:none}
  .player{grid-template-columns:1fr auto;grid-template-areas:"np right" "controls controls";gap:10px;padding:10px 14px}
  .np{grid-area:np}.controls{grid-area:controls}.right{grid-area:right}
  .vol{display:none}
  .view{padding:18px 14px 30px}
  .trow{grid-template-columns:26px 42px minmax(0,1fr) auto;gap:10px}
  .trow .album{display:none}
  .searchwrap kbd{display:none}
  .brand-name{display:none}
}