:root{--music-ink:#f6f8ff;--music-muted:#aeb9d2;--music-panel:#0d1427;--music-line:#ffffff1f;--music-accent:#9bd9ff}.background-music-dialog{width:min(1040px,calc(100vw - 28px));max-width:none;max-height:calc(100dvh - 28px);padding:0;border:1px solid #ffffff2b;border-radius:28px;background:#090f20;color:var(--music-ink);box-shadow:0 40px 120px #020510aa;overflow:auto}.background-music-dialog::backdrop{background:#07101bdd;backdrop-filter:blur(15px)}.music-dialog-close{position:sticky;float:right;top:15px;right:15px;z-index:8;width:44px;height:44px;border:1px solid #ffffff25;border-radius:50%;background:#111a31dd;color:#fff;font-size:1.5rem}.music-player{min-height:620px;padding:32px;color:var(--music-ink);background:radial-gradient(circle at 72% 12%,#2a496a 0,transparent 30%),radial-gradient(circle at 12% 85%,#3b2249 0,transparent 32%),linear-gradient(145deg,#080e1d,#101a32);font-family:Inter,ui-sans-serif,system-ui,sans-serif}.music-player-heading{display:flex;justify-content:space-between;gap:20px;align-items:start}.music-player-heading p,.music-queue p{margin:0;color:var(--music-accent);font-size:.7rem;font-weight:850;letter-spacing:.15em}.music-player-heading h2{margin:5px 0 0;font:600 clamp(1.8rem,4vw,3.15rem)/1.05 Georgia,serif}.music-player-heading h2 span{display:block;color:var(--music-muted);font:650 .46em Inter,sans-serif;margin-top:7px}.music-player-heading>button{border:1px solid var(--music-line);border-radius:99px;background:#ffffff0d;color:#fff;padding:10px 15px}.music-genre-rail{display:flex;gap:10px;margin:24px -32px 26px;padding:0 32px 10px;overflow-x:auto;scrollbar-width:thin}.music-genre-card{position:relative;flex:0 0 148px;height:88px;padding:12px;border:1px solid var(--music-line);border-radius:16px;overflow:hidden;text-align:left;color:#fff;background:#121c33}.music-genre-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}.music-genre-card span,.music-genre-card small{position:relative;display:block;text-shadow:0 2px 8px #000}.music-genre-card span{font-weight:800}.music-genre-card small{margin-top:18px;color:#e8efff}.music-genre-card.is-active{border-color:#b9e6ff;box-shadow:0 0 0 2px #8bd6ff55;transform:translateY(-2px)}.music-player-stage{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(260px,.85fr);gap:26px}.music-now-playing{min-width:0;display:grid;grid-template-columns:minmax(190px,330px) 1fr;gap:28px;align-items:center}.music-disc{position:relative;aspect-ratio:1;border-radius:50%;padding:18px;background:repeating-radial-gradient(circle,#060a14 0 5px,#141c2c 6px 11px);box-shadow:0 28px 70px #0009,inset 0 0 0 2px #ffffff16}.music-disc:before{content:"";position:absolute;inset:10%;border:1px solid #ffffff18;border-radius:50%;z-index:2}.music-disc img{width:100%;height:100%;object-fit:cover;border-radius:50%;animation:music-spin 22s linear infinite;animation-play-state:paused}.music-disc.is-playing img{animation-play-state:running}.music-disc>span{position:absolute;inset:43%;z-index:3;border-radius:50%;background:#f4f7ff;box-shadow:0 0 0 8px #0c1423aa}.music-track-copy small{color:var(--music-accent);font-weight:800;letter-spacing:.11em}.music-track-copy h3{margin:9px 0 5px;font:600 clamp(1.6rem,3.2vw,3.2rem)/1.05 Georgia,serif;overflow-wrap:anywhere}.music-track-copy p{margin:0;color:var(--music-muted);font-size:1rem}.music-tempo{display:flex;gap:11px;align-items:center;margin-top:23px}.music-tempo strong{padding:8px 11px;border-radius:10px;background:#ffffff12}.music-tempo span{color:var(--music-muted);font-size:.72rem}.music-controls{grid-column:1}.music-progress{display:grid;grid-template-columns:42px 1fr 42px;gap:10px;align-items:center;margin-top:8px;color:var(--music-muted);font-size:.78rem}.music-progress input,.music-volume input{accent-color:#9bd9ff}.music-transport{display:flex;align-items:center;justify-content:center;gap:12px;margin:15px 0}.music-transport button{width:43px;height:43px;padding:0;border:1px solid var(--music-line);border-radius:50%;background:#ffffff0a;color:#fff}.music-transport .music-play{width:64px;height:64px;background:#f4f7ff;color:#0b1324;font-size:1.25rem;border-color:#fff}.music-transport button[aria-pressed=true]{color:#0a1424;background:var(--music-accent)}.music-volume{display:flex;align-items:center;gap:12px;color:var(--music-muted);font-size:.78rem}.music-volume input{flex:1}.music-queue{grid-column:2;grid-row:1/3;padding:20px;border:1px solid var(--music-line);border-radius:22px;background:#07101e88;min-height:420px}.music-queue>div:first-child{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:13px}.music-queue>div:first-child strong{font-size:.8rem;color:var(--music-muted)}.music-queue [data-track-list]{display:grid;gap:8px}.music-track-card{width:100%;display:grid;grid-template-columns:48px 1fr auto;gap:11px;align-items:center;padding:8px;border:1px solid transparent;border-radius:13px;background:transparent;color:#fff;text-align:left}.music-track-card:hover,.music-track-card.is-active{background:#ffffff0d;border-color:var(--music-line)}.music-track-card img{width:48px;height:48px;border-radius:50%;object-fit:cover}.music-track-card span{min-width:0}.music-track-card strong,.music-track-card small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.music-track-card small{color:var(--music-muted);margin-top:3px;font-size:.68rem}.music-track-card b{color:#71809e;font-size:.7rem}.music-credit{margin-top:22px;padding-top:14px;border-top:1px solid var(--music-line);display:flex;justify-content:space-between;gap:18px;color:var(--music-muted);font-size:.7rem}.music-credit p{margin:0}.music-credit a{color:#cbeaff}@keyframes music-spin{to{transform:rotate(360deg)}}@media(max-width:760px){.background-music-dialog{width:100%;max-height:100dvh;border-radius:0}.music-player{padding:22px}.music-genre-rail{margin-inline:-22px;padding-inline:22px}.music-player-stage{grid-template-columns:1fr}.music-now-playing{grid-template-columns:minmax(150px,220px) 1fr}.music-queue{grid-column:1;grid-row:auto;min-height:0}.music-controls{grid-column:1}.music-player-heading>button span{display:none}.music-credit{display:grid}}@media(max-width:500px){.music-now-playing{grid-template-columns:1fr;text-align:center}.music-disc{width:min(72vw,270px);margin:auto}.music-tempo{justify-content:center}.music-track-copy h3{font-size:2rem}.music-player{padding:18px}.music-genre-rail{margin-inline:-18px;padding-inline:18px}}@media(prefers-reduced-motion:reduce){.music-disc img{animation:none}}

/* Personal music library: bilingual copy, favorites and playlists */
.music-copy{display:grid;gap:1px;line-height:1.15}.music-copy .music-zh{font-weight:850}.music-copy .music-en{color:var(--music-muted);font-size:.7em;font-weight:700;letter-spacing:.02em}[data-music-language="zh"] .music-en{display:none}[data-music-language="en"] .music-zh{display:none}[data-music-language="en"] .music-copy .music-en{color:inherit;font-size:1em}.music-player-heading>div:first-child>p .music-en{color:var(--music-accent)}.music-player-heading h2 .music-en{margin-top:6px;color:var(--music-muted);font:650 .46em Inter,sans-serif}.music-heading-actions{display:flex;align-items:end;justify-content:flex-end;gap:9px}.music-heading-actions>button,.music-library-tools button,.music-current-actions button{border:1px solid var(--music-line);border-radius:12px;background:#ffffff0d;color:#fff;padding:9px 12px}.music-language{display:grid;gap:5px;color:var(--music-muted);font-size:.72rem}.music-language select,.music-library-tools select{min-height:39px;padding:7px 28px 7px 10px;border:1px solid var(--music-line);border-radius:10px;background:#121c31;color:#fff}.music-library-tools{display:grid;grid-template-columns:auto minmax(180px,1fr) auto;gap:10px;align-items:end;margin:20px 0 8px;padding:13px;border:1px solid var(--music-line);border-radius:17px;background:#060d1b66}.music-library-tools>label{display:grid;gap:5px;color:var(--music-muted);font-size:.72rem}.music-library-favorites{display:flex!important;align-items:center;gap:8px;min-height:54px}.music-library-favorites b{display:grid;place-items:center;min-width:25px;height:25px;border-radius:99px;background:#ffffff17}.music-library-favorites.is-active,.music-current-actions button.is-active,.music-song-action.is-active{color:#ff9fba!important;border-color:#ff8dac88!important;background:#7b284355!important}.music-current-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}.music-current-actions button{display:flex;align-items:center;gap:7px}.music-track-card{width:100%;display:grid!important;grid-template-columns:minmax(0,1fr) 38px 38px!important;gap:5px!important;align-items:center;padding:5px!important;border:1px solid transparent;border-radius:13px;background:transparent;color:#fff}.music-track-main{min-width:0;width:100%;display:grid;grid-template-columns:48px minmax(0,1fr) auto;gap:11px;align-items:center;padding:3px;border:0;background:transparent;color:#fff;text-align:left}.music-track-card:hover,.music-track-card.is-active{background:#ffffff0d;border-color:var(--music-line)}.music-song-action{width:35px;height:35px;padding:0;border:1px solid var(--music-line);border-radius:50%;background:#ffffff0a;color:#fff;font-size:1rem}.music-empty{padding:24px 8px;color:var(--music-muted);text-align:center}.music-status{min-height:22px;margin-top:17px;color:var(--music-accent);font-size:.76rem}.music-player .music-credit{display:none!important}
@media(max-width:760px){.music-player-heading{display:grid}.music-heading-actions{justify-content:stretch}.music-heading-actions>*{flex:1}.music-library-tools{grid-template-columns:1fr 1fr}.music-library-tools>label{grid-column:1/-1;grid-row:1}.music-library-tools>button{min-height:50px}.music-track-card{grid-template-columns:minmax(0,1fr) 36px 36px!important}.music-heading-actions>button span{display:block}}
@media(max-width:500px){.music-heading-actions{display:grid;grid-template-columns:1fr auto}.music-library-tools{grid-template-columns:1fr}.music-library-tools>label{grid-column:auto;grid-row:auto}.music-track-main{grid-template-columns:42px minmax(0,1fr) auto}.music-track-card img{width:42px;height:42px}.music-current-actions{justify-content:center}}

/* 2026-09-10 floating-player and horizontal-title refinement */
.background-music-dialog.is-expanded {
  width: min(1380px, calc(100vw - 20px));
  height: calc(100dvh - 20px);
  max-height: none;
}
.background-music-dialog.is-expanded .music-player { min-height: 100%; }
.music-player { container-type: inline-size; }
.music-now-playing {
  grid-template-columns: minmax(190px, 330px) minmax(180px, 1fr);
  grid-template-areas:
    "heading heading"
    "disc meta";
  align-content: start;
}
.music-track-heading {
  grid-area: heading;
  min-width: 0;
  width: 100%;
  padding-bottom: 2px;
}
.music-track-heading small { color: var(--music-accent); font-weight: 800; letter-spacing: .11em; }
.music-track-heading h3 {
  margin: 9px 0 5px;
  max-width: 100%;
  color: var(--music-ink);
  font: 600 clamp(1.65rem, 2.4vw, 2.35rem)/1.08 Georgia, serif;
  writing-mode: horizontal-tb;
  word-break: normal;
  overflow-wrap: anywhere;
  hyphens: none;
}
.music-track-heading p { margin: 0; color: var(--music-muted); font-size: 1rem; }
.music-disc { grid-area: disc; }
.music-track-meta { grid-area: meta; align-self: center; min-width: 0; }
.music-heading-actions [data-window][aria-pressed="true"] { color: #091323; background: var(--music-accent); }
@container (max-width: 760px) {
  .music-player-heading { display: grid; }
  .music-heading-actions { justify-content: stretch; }
  .music-heading-actions > * { flex: 1; }
  .music-library-tools { grid-template-columns: 1fr 1fr; }
  .music-library-tools > label { grid-column: 1 / -1; grid-row: 1; }
  .music-library-tools > button { min-height: 50px; }
  .music-player-stage { grid-template-columns: 1fr; }
  .music-now-playing { grid-template-columns: minmax(180px, 260px) minmax(0, 1fr); }
  .music-queue { grid-column: 1; grid-row: auto; min-height: 0; }
  .music-controls { grid-column: 1; }
}
@media (max-width: 500px) {
  .music-now-playing {
    grid-template-columns: 1fr;
    grid-template-areas: "heading" "disc" "meta";
    text-align: center;
  }
  .music-track-heading h3 { font-size: 1.8rem; }
  .music-track-meta { justify-self: stretch; }
}

/* True floating controller, playlist management and preserved genre artwork */
.background-music-dialog{position:fixed!important;inset:auto 22px 22px auto;width:min(980px,calc(100vw - 32px));height:min(760px,calc(100dvh - 32px));max-width:calc(100vw - 8px);max-height:calc(100dvh - 8px);min-width:min(280px,calc(100vw - 16px));min-height:240px;margin:0!important;border-radius:22px;resize:both;overflow:hidden}.background-music-dialog::backdrop{display:none}.background-music-dialog>[data-player]{height:calc(100% - 48px);overflow:auto}.music-floating-bar{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 10px 0 17px;color:#e8f5ff;background:#091326;border-bottom:1px solid #ffffff24;cursor:move;user-select:none;touch-action:none}.music-floating-bar span{display:flex;gap:7px}.music-floating-bar button{width:34px;height:34px;border:1px solid #ffffff2b;border-radius:10px;color:#fff;background:#ffffff0d;font-size:1.15rem}.background-music-dialog.is-collapsed{height:48px!important;min-height:48px;resize:none}.background-music-dialog.is-collapsed>[data-player]{display:none}.music-favorite-tools{display:flex;align-items:stretch;gap:7px}.music-favorite-tools>[data-play-favorites]{min-width:45px;border:1px solid #ff8dac66;color:#ffb5ca;background:#6c273e55}.music-library-tools>label input[type=search]{width:100%;min-height:35px;margin-bottom:6px;padding:7px 10px;border:1px solid var(--music-line);border-radius:9px;color:#fff;background:#101a2f}.music-queue>div:first-child>span{display:flex;align-items:center;gap:7px}.music-queue [data-edit-playlist]{padding:5px 7px;border:1px solid var(--music-line);border-radius:8px;color:#dceaff;background:#ffffff0a}.music-track-card[draggable=true]{cursor:grab}.music-track-card[draggable=true]:active{cursor:grabbing}.music-track-card img{background:transparent}.music-status{overflow:hidden}.music-player{min-height:100%}
@media(max-width:760px){.background-music-dialog{right:8px!important;bottom:8px!important;width:calc(100vw - 16px);height:min(78dvh,720px);min-width:0}.music-library-tools{grid-template-columns:1fr}.music-favorite-tools{width:100%}.music-favorite-tools .music-library-favorites{flex:1}.music-library-tools>label{grid-column:auto;grid-row:auto}}