:root{
  --bg:#f5f8fb;--card:#ffffff;--text:#17212b;--muted:#6f7d8b;--line:#dfe7ee;
  --accent:#4aa8df;--accent2:#eaf6fd;--warn:#c56b35;--danger:#b45454;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Arial,sans-serif}
button,input,select{font:inherit}
button:disabled{opacity:.55;cursor:wait!important}
.shell{width:min(1080px,100%);margin:0 auto;padding:22px 16px 44px}
.login-shell{max-width:520px;padding-top:12vh}
.topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:18px}
h1{margin:2px 0 4px;font-size:30px;letter-spacing:-.8px}
h2{margin:0;font-size:21px}
.brand p,.connect-card p,.scope-banner p{color:var(--muted);line-height:1.5}
.eyebrow{font-size:11px;font-weight:800;letter-spacing:1.5px;color:#6990aa}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:0 8px 30px rgba(30,65,90,.05);padding:18px;margin-bottom:14px}
.pill{padding:8px 11px;border:1px solid var(--line);border-radius:999px;font-size:11px;font-weight:800;letter-spacing:.7px;background:#fff;color:var(--muted);white-space:nowrap}
.pill.online{background:#eef8ff;color:#2876a6;border-color:#cde8f8}
.pill.warn{background:#fff5ef;color:#a95b2d;border-color:#f0d6c6}

.now{display:grid;grid-template-columns:104px 1fr;gap:16px;align-items:center}
.cover-wrap{width:104px;height:104px}
.cover{width:104px;height:104px;object-fit:cover;border-radius:14px}
.fallback{display:grid;place-items:center;font-weight:900;font-size:28px;background:var(--accent2);color:#438ab4;border:none;box-shadow:none;margin:0}
.track{font-size:21px;font-weight:800;line-height:1.2}
.artist,.device{color:var(--muted);margin-top:6px}
.device{font-size:13px}
.song-progress{margin-top:13px;max-width:620px}
.song-progress-bar{height:6px;border-radius:999px;background:#e8edf1;overflow:hidden}
.song-progress-fill{height:100%;width:0;background:var(--accent);border-radius:999px;transition:width .2s linear}
.song-time{display:flex;justify-content:space-between;margin-top:5px;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}

.transport{display:flex;justify-content:center;gap:16px;padding:4px 0 18px}
.round{width:58px;height:58px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:21px;cursor:pointer}
.round.play{width:70px;height:70px;background:var(--accent2);border-color:#cce8f8}
.volume-row{display:grid;grid-template-columns:auto 1fr 48px;align-items:center;gap:12px;color:var(--muted);font-size:13px;margin-bottom:14px}
input[type=range]{width:100%}

.primary,.secondary,.ghost,.playlist-card button,.icon-btn,.add-btn{cursor:pointer}
.primary{border:0;border-radius:12px;background:var(--accent);color:#fff;font-weight:800;padding:13px 16px}
.primary.compact{padding:11px 18px;white-space:nowrap}
.secondary{border:1px solid #cfe4f1;border-radius:12px;background:var(--accent2);color:#297ca9;font-weight:800;padding:12px 16px}
.full{width:100%}
.ghost{border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px;color:var(--muted)}
.button-link{display:inline-block;text-align:center;text-decoration:none}
.scope-banner{display:flex;align-items:center;justify-content:space-between;gap:18px;background:#f7fbfe}
.scope-banner p{margin:5px 0 0}
.scope-link{white-space:nowrap}

.workspace-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}
.manage-card{margin:0}
.section-mini{margin-bottom:14px}
.inline-form{display:grid;grid-template-columns:1fr auto;gap:8px}
.inline-form input,.target-label select{border:1px solid var(--line);border-radius:11px;padding:11px 12px;min-width:0;background:#fff}
.privacy-row{color:var(--muted);font-size:13px;margin-top:10px}

.section-head,.detail-head{display:flex;justify-content:space-between;align-items:end;gap:12px;margin:26px 2px 12px}
.detail-head{margin:0 0 14px}
.search-actions{display:flex;gap:8px;align-items:end}
.target-label{display:flex;flex-direction:column;gap:4px;color:var(--muted);font-size:11px}
.target-label select{padding:8px 10px;max-width:260px}

.playlist-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.playlist-card{position:relative;border:1px solid var(--line);border-radius:16px;background:#fff;padding:10px;overflow:hidden}
.playlist-open{display:block;width:100%;text-align:left;border:0;background:transparent;padding:0;cursor:pointer}
.playlist-card img,.playlist-fallback{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:11px;background:var(--accent2)}
.playlist-fallback{display:grid;place-items:center;font-size:32px;color:#4d94bb}
.playlist-name{font-weight:800;margin-top:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.playlist-count{font-size:12px;color:var(--muted);margin-top:3px}
.mini-play{position:absolute;right:17px;bottom:17px;width:34px;height:34px;border-radius:50%;border:1px solid #cfe4f1;background:var(--accent2);color:#2476a4;cursor:pointer}

.notice{color:#8b4d2b;background:#fff9f5;border-color:#f1dacc;line-height:1.5}
.notice.success{color:#2876a6;background:#f0f9ff;border-color:#cfe8f6}
.hidden{display:none!important}
.muted{color:var(--muted)}

.result-list,.track-list{display:flex;flex-direction:column;gap:8px}
.search-row,.track-row{display:grid;grid-template-columns:48px 1fr auto auto;gap:10px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:13px;padding:8px 10px}
.track-row{grid-template-columns:28px 48px 1fr auto auto}
.track-num{text-align:center;color:var(--muted);font-size:12px}
.track-thumb{width:48px;height:48px;object-fit:cover;border-radius:8px}
.track-thumb-fallback{display:grid;place-items:center;background:var(--accent2);color:#4d94bb}
.track-info{min-width:0}
.track-row-name{font-weight:750;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.track-row-artist{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:3px}
.track-row-duration{font-size:11px;color:var(--muted);margin-top:3px}
.icon-btn{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer}
.icon-btn.danger{color:var(--danger);font-size:20px}
.add-btn{border:1px solid #cfe4f1;border-radius:10px;background:var(--accent2);color:#297ca9;padding:9px 10px;font-weight:750;cursor:pointer}
.detail-card{margin-top:16px}
.detail-actions{display:flex;gap:8px;margin-bottom:12px}
.empty-state{padding:20px;text-align:center}

.search-result-title{font-size:11px;font-weight:850;letter-spacing:.09em;color:var(--muted);margin:10px 2px 2px}
.search-result-title:first-child{margin-top:0}
.playlist-result-badge{font-size:10px;font-weight:850;letter-spacing:.06em;color:#4d7f9d;background:var(--accent2);border-radius:999px;padding:6px 8px;white-space:nowrap}
.playlist-result-play{border:1px solid #cfe4f1;border-radius:10px;background:var(--accent2);color:#297ca9;padding:9px 11px;font-weight:750;cursor:pointer;white-space:nowrap}

.login-card label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
.login-card input{width:100%;border:1px solid var(--line);border-radius:11px;padding:12px;margin-bottom:12px}
.error{color:#a24f33;font-size:13px;margin-bottom:10px}

footer{text-align:center;color:var(--muted);font-size:12px;padding:28px 0;display:flex;gap:7px;justify-content:center;flex-wrap:wrap}
footer a{color:inherit}

@media(max-width:800px){
  .playlist-grid{grid-template-columns:repeat(2,1fr)}
  .workspace-grid{grid-template-columns:1fr}
  .shell{padding-top:16px}
  .now{grid-template-columns:84px 1fr}
  .cover-wrap,.cover{width:84px;height:84px}
  .track{font-size:18px}
  .scope-banner{align-items:flex-start;flex-direction:column}
  .scope-link{width:100%}
  .search-actions{flex-wrap:wrap;justify-content:flex-end}
}
@media(max-width:560px){
  .search-row{grid-template-columns:44px 1fr auto}
  .search-row .add-btn{grid-column:2/4;width:100%}
  .playlist-search-row{grid-template-columns:44px 1fr auto}
  .playlist-search-row .playlist-result-badge{display:none}
  .playlist-search-row .playlist-result-play{grid-column:2/4;width:100%}
  .track-row{grid-template-columns:22px 42px 1fr auto}
  .track-row .play-one{display:none}
  .track-thumb{width:42px;height:42px}
  .section-head{align-items:flex-start}
  .inline-form{grid-template-columns:1fr}
  .primary.compact{width:100%}
  .search-head{flex-direction:column;align-items:stretch}
  .search-actions{justify-content:space-between}
  .target-label{flex:1}
  .target-label select{max-width:none;width:100%}
}