:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f6f7f8;
  --surface-strong: #eef1f3;
  --text: #111315;
  --muted: #6b7077;
  --line: #e3e6e9;
  --accent: #1558e8;
  --accent-2: #e64532;
  --success: #138a62;
  --danger: #b42334;
  --radius: 6px;
  color-scheme: light;
}

:root.dark {
  --bg: #121416;
  --surface: #171a1d;
  --surface-soft: #202428;
  --surface-strong: #292e33;
  --text: #f6f7f8;
  --muted: #a6adb5;
  --line: #31363b;
  --accent: #6791ff;
  --accent-2: #ff6959;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 14px;
  letter-spacing: 0;
}
button, input, select { font: inherit; }
button, label { color: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 6px; font-size: clamp(34px, 4.2vw, 60px); line-height: 1; font-weight: 800; }
h2 { margin-bottom: 0; font-size: 22px; line-height: 1.2; }

.app-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 304px;
  min-height: calc(100vh - 92px);
  padding-bottom: 92px;
}
.app-shell.queue-closed { grid-template-columns: 220px minmax(0, 1fr); }

.sidebar {
  position: sticky;
  top: 0;
  height: calc(100vh - 92px);
  display: flex;
  flex-direction: column;
  padding: 22px 16px 18px;
  border-right: 1px solid var(--line);
  background: var(--surface);
}
.brand { display: flex; align-items: center; gap: 10px; padding: 0 4px; margin-bottom: 34px; font-size: 21px; font-weight: 800; }
.brand img { width: 30px; height: 30px; border-radius: var(--radius); }
.nav-list, .playlist-list, .queue-list { display: grid; gap: 4px; }
.nav-item, .playlist-item, .queue-item {
  width: 100%;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 0 12px;
  text-align: left;
}
.nav-item i, .playlist-item i { font-size: 18px; }
.nav-item:hover, .playlist-item:hover, .nav-item.active, .playlist-item.active { background: var(--surface-soft); color: var(--text); }
.nav-item.active { color: var(--accent); font-weight: 700; }
.playlist-box { margin-top: 28px; }
.section-title, .eyebrow { color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: 0; text-transform: uppercase; }
.section-title { padding: 0 10px; margin-bottom: 8px; }
.playlist-form { display: grid; grid-template-columns: minmax(0, 1fr) 38px; gap: 6px; margin-top: 12px; }
.playlist-form input, .playlist-manager input {
  min-width: 0;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  padding: 0 10px;
}
.sidebar-tools { display: grid; gap: 2px; margin-top: auto; padding-top: 20px; }
.tool-button { border: 0; background: transparent; min-height: 36px; padding: 0 8px; display: flex; align-items: center; gap: 9px; color: var(--muted); border-radius: var(--radius); }
.tool-button:hover { background: var(--surface-soft); color: var(--text); }
.tool-button input { display: none; }
.cloud-sync-tools { display: grid; gap: 2px; padding-bottom: 8px; margin-bottom: 6px; border-bottom: 1px solid var(--line); }
.cloud-status { padding: 0 8px 4px; color: var(--muted); font-size: 12px; font-weight: 700; }

.main { min-width: 0; padding: 0 34px 34px; }
.topbar { height: 64px; display: flex; align-items: center; gap: 12px; border-bottom: 1px solid var(--line); margin-bottom: 22px; }
.search-box { width: min(560px, 100%); height: 38px; display: flex; align-items: center; gap: 9px; border: 1px solid var(--line); border-radius: var(--radius); padding: 0 12px; background: var(--surface); }
.search-box input { min-width: 0; flex: 1; border: 0; outline: 0; background: transparent; color: var(--text); }
.topbar > .icon-button { margin-left: auto; }

.icon-button, .play-button, .primary-button, .ghost-button, .danger-button {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 38px;
  background: var(--surface);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 13px;
  transition: background 150ms ease, border-color 150ms ease, transform 150ms ease;
}
.icon-button, .play-button { width: 38px; padding: 0; flex: 0 0 auto; }
.icon-button i, .play-button i, .primary-button i { font-size: 18px; }
.icon-button:hover, .ghost-button:hover { background: var(--surface-soft); border-color: #cfd4d9; }
.primary-button, .play-button { background: var(--accent); border-color: var(--accent); color: #fff; }
.primary-button:hover, .play-button:hover { transform: translateY(-1px); }
.danger-button { background: var(--danger); border-color: var(--danger); color: #fff; }
.compact-button { min-height: 36px; padding: 0 10px; }

.featured {
  position: relative;
  display: grid;
  grid-template-columns: minmax(220px, 300px) minmax(270px, 1fr);
  align-items: center;
  gap: clamp(28px, 5vw, 68px);
  min-height: 320px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}
.featured-cover { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--radius); }
.featured-copy { max-width: 490px; }
.featured-copy h1 { font-size: 42px; }
.featured-copy .eyebrow { margin-bottom: 18px; }
.featured-artist { color: var(--muted); font-size: 19px; margin-bottom: 12px; }
.featured-tags { color: var(--accent); font-weight: 700; }
.featured-tags span { color: var(--muted); font-weight: 500; margin-left: 10px; }
.hero-copy { max-width: 440px; color: var(--muted); line-height: 1.8; margin: 18px 0 22px; }
.hero-actions { display: flex; align-items: center; gap: 8px; }
.editorial-stats { position: absolute; right: 0; bottom: 26px; display: flex; align-items: center; gap: 22px; }
.editorial-stats div { display: grid; gap: 2px; min-width: 42px; }
.editorial-stats span { font-size: 17px; font-weight: 800; }
.editorial-stats strong { color: var(--muted); font-size: 11px; font-weight: 500; }

.track-section { padding-top: 28px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.section-head .eyebrow { margin-bottom: 6px; }

.track-head { align-items: center; }
.track-grid { display: grid; grid-template-columns: repeat(6, minmax(110px, 1fr)); gap: 14px; }
.track-card { min-width: 0; border: 0; background: transparent; padding: 0; cursor: pointer; }
.track-card .cover { position: relative; width: 100%; aspect-ratio: 1; overflow: hidden; margin-bottom: 10px; border-radius: var(--radius); background-color: var(--surface-strong); background-position: center; background-size: cover; }
.track-card:hover .cover, .track-card.active .cover { outline: 2px solid var(--accent); outline-offset: 2px; }
.cover-edit { position: absolute; top: 8px; right: 8px; width: 32px; min-height: 32px; border-color: rgba(255,255,255,.4); background: rgba(17,19,21,.68); color: #fff; backdrop-filter: blur(8px); }
.cover-edit:hover { background: rgba(17,19,21,.84); border-color: rgba(255,255,255,.68); }
.track-title, .track-artist, .queue-title, .queue-artist, .track-meta strong, .track-meta span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.track-title { font-size: 14px; font-weight: 750; }
.track-artist { color: var(--muted); font-size: 12px; margin-top: 3px; }
.track-actions { display: flex; align-items: center; justify-content: space-between; gap: 4px; margin-top: 8px; }
.track-actions > span:last-child { display: flex; gap: 3px; }
.track-actions .icon-button { width: 30px; min-height: 30px; }
.edit-track-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  min-height: 30px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--text);
  cursor: pointer;
}
.edit-track-button:hover { background: var(--surface-soft); border-color: #cfd4d9; }
.edit-track-button i { font-size: 15px; }
.tag { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); font-size: 11px; }
.liked, .is-on { color: var(--accent-2); }
.empty-state { grid-column: 1 / -1; min-height: 160px; display: grid; place-items: center; border: 1px dashed var(--line); color: var(--muted); }

.playlist-manager { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: end; padding: 12px 0; margin-bottom: 14px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.playlist-manager[hidden] { display: none; }
.playlist-manager input { display: block; width: 100%; margin-top: 6px; }
.playlist-actions { display: flex; gap: 6px; }

.queue-panel { position: sticky; top: 0; height: calc(100vh - 92px); overflow-y: auto; padding: 28px 18px; border-left: 1px solid var(--line); background: var(--surface); }
.section-head.compact { align-items: center; }
.queue-tools { display: grid; grid-template-columns: 1fr 1.15fr; gap: 6px; margin-bottom: 16px; }
.sleep-select { min-height: 36px; border: 1px solid var(--line); border-radius: var(--radius); display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 4px; padding: 0 8px; color: var(--muted); font-size: 12px; }
.sleep-select select { min-width: 0; border: 0; outline: 0; background: transparent; color: var(--text); }
.now-card { min-height: 82px; padding: 10px 0 16px; margin-bottom: 8px; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 56px minmax(0, 1fr); grid-template-rows: auto auto; gap: 2px 10px; align-content: center; }
.now-card .cover { grid-row: 1 / 3; width: 56px; aspect-ratio: 1; border-radius: var(--radius); background-position: center; background-size: cover; }
.now-card.empty { display: grid; grid-template-columns: 1fr; color: var(--muted); text-align: center; }
.queue-item { display: grid; grid-template-columns: 24px 42px minmax(0, 1fr) auto; gap: 8px; min-height: 60px; padding: 8px 4px; border-bottom: 1px solid var(--line); border-radius: 0; }
.queue-item:hover { color: var(--text); background: var(--surface-soft); }
.queue-item .mini-cover { width: 42px; height: 42px; border-radius: 4px; background-position: center; background-size: cover; }
.queue-index { align-self: center; color: var(--muted); font-size: 12px; text-align: center; }
.queue-title { color: var(--text); font-weight: 700; }
.queue-artist { margin-top: 3px; color: var(--muted); font-size: 11px; }

.player { position: fixed; z-index: 5; left: 0; right: 0; bottom: 0; height: 92px; display: grid; grid-template-columns: minmax(220px, 1fr) minmax(360px, 1.35fr) minmax(210px, 1fr); align-items: center; gap: 24px; padding: 12px 24px; border-top: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 94%, transparent); backdrop-filter: blur(16px); }
.player-track { display: flex; align-items: center; gap: 12px; min-width: 0; }
.mini-cover { width: 58px; height: 58px; flex: 0 0 auto; border-radius: var(--radius); background: var(--surface-strong); background-position: center; background-size: cover; }
.player-track .mini-cover { border: 0; padding: 0; cursor: pointer; }
.player-track .mini-cover:hover { outline: 2px solid var(--accent); outline-offset: 2px; }
.track-meta { min-width: 0; display: grid; gap: 4px; }
.track-meta span { color: var(--muted); font-size: 12px; }
.player-center { display: grid; justify-items: center; gap: 7px; }
.transport, .player-tools { display: flex; align-items: center; gap: 7px; }
.progress-row { width: 100%; display: grid; grid-template-columns: 38px minmax(0, 1fr) 38px; gap: 8px; align-items: center; color: var(--muted); font-size: 11px; }
.player-tools { justify-content: flex-end; }
.player-tools input[type="range"] { max-width: 110px; }
.queue-toggle { margin-left: 5px; }
.queue-toggle.is-on { color: var(--accent); background: var(--surface-soft); border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); }
input[type="range"] { width: 100%; accent-color: var(--accent); }

.toast { position: fixed; z-index: 9; right: 18px; bottom: 108px; max-width: min(320px, calc(100vw - 36px)); border: 1px solid var(--line); border-radius: var(--radius); background: var(--text); color: var(--bg); padding: 11px 14px; opacity: 0; transform: translateY(8px); pointer-events: none; transition: 160ms ease; }
.toast.show { opacity: 1; transform: translateY(0); }
.drop-overlay { position: fixed; z-index: 20; inset: 14px; display: grid; place-content: center; justify-items: center; gap: 12px; border: 2px dashed var(--accent); border-radius: var(--radius); background: color-mix(in srgb, var(--surface) 92%, transparent); color: var(--accent); backdrop-filter: blur(12px); pointer-events: none; }
.drop-overlay[hidden] { display: none; }
.drop-overlay i { font-size: 42px; }
.drop-overlay strong { font-size: 18px; }

.modal-shell { position: fixed; z-index: 12; inset: 0; display: grid; place-items: center; padding: 22px; background: rgba(17,19,21,.34); backdrop-filter: blur(10px); }
.modal-shell[hidden] { display: none; }
.modal-card { width: min(720px, 100%); max-height: calc(100vh - 44px); overflow-y: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--text); box-shadow: 0 28px 80px rgba(0,0,0,.26); padding: 20px; }
.compact-modal { width: min(420px, 100%); }
.modal-head { display: flex; align-items: start; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.modal-head h2 { margin-top: 4px; }
.edit-track-layout { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 20px; align-items: start; }
.edit-cover-column { display: grid; gap: 10px; }
.edit-cover { width: 170px; aspect-ratio: 1; border-radius: var(--radius); background: var(--surface-strong); background-position: center; background-size: cover; }
.edit-fields, .edit-fields label { display: grid; gap: 10px; }
.edit-fields label span { color: var(--muted); font-size: 12px; font-weight: 700; }
.edit-fields input { width: 100%; min-width: 0; min-height: 38px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--text); padding: 0 10px; }
.edit-field-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }

.full-player { position: fixed; z-index: 7; inset: 0; overflow: hidden; background: #111315; color: #fff; }
.full-player[hidden] { display: none; }
.full-player-bg { position: fixed; inset: -40px; background-position: center; background-size: cover; background-repeat: no-repeat; filter: blur(14px) brightness(.34) saturate(.78); transform: scale(1.12); transform-origin: center; opacity: 1; transition: opacity 220ms ease; will-change: transform, filter; }
.dynamic-background-canvas { position: fixed; inset: 0; width: 100%; height: 100%; opacity: 0; pointer-events: none; transition: opacity 220ms ease; }
.dynamic-background-canvas.is-active { opacity: 1; }
.full-player::after { content: ""; position: fixed; inset: 0; pointer-events: none; background: rgba(7,10,12,.18); }
.full-player-top, .full-player-grid { position: relative; z-index: 1; }
.full-player-top { position: fixed; z-index: 4; top: 0; right: 0; width: 150px; height: 120px; display: flex; justify-content: flex-end; align-items: flex-start; padding: 16px clamp(18px, 4vw, 44px) 0 0; }
.full-player-top .icon-button { opacity: 0; pointer-events: none; transform: translateY(-4px); transition: opacity 160ms ease, transform 160ms ease; }
.full-player-top:hover .icon-button, .full-player-top:focus-within .icon-button { opacity: 1; pointer-events: auto; transform: translateY(0); }
.full-player-actions { display: flex; justify-content: flex-end; gap: 8px; }
.glass-button { border-color: rgba(255,255,255,.25); background: rgba(255,255,255,.08); color: #fff; }
.background-panel { position: fixed; z-index: 3; top: 70px; right: clamp(18px,4vw,44px); width: min(340px,calc(100vw - 36px)); max-height: calc(100vh - 92px); overflow-y: auto; padding: 18px; border: 1px solid rgba(255,255,255,.22); border-radius: var(--radius); background: rgba(17,19,21,.9); color: #fff; box-shadow: 0 24px 60px rgba(0,0,0,.42); backdrop-filter: blur(20px); }
.background-panel[hidden] { display: none; }
.background-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.background-panel h3 { margin: 4px 0 0; font-size: 18px; }
.background-mode { margin: 14px 0; color: rgba(255,255,255,.68); font-size: 12px; }
.background-panel-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.background-action { min-width: 0; border-color: rgba(255,255,255,.2); background: rgba(255,255,255,.08); color: #fff; }
.wallpaper-library { display: grid; gap: 16px; margin-top: 18px; }
.wallpaper-section { display: grid; gap: 8px; }
.wallpaper-section-head { display: flex; align-items: center; justify-content: space-between; color: rgba(255,255,255,.76); font-size: 12px; font-weight: 700; }
.wallpaper-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 7px; }
.wallpaper-option { min-width: 0; border: 1px solid rgba(255,255,255,.16); border-radius: 6px; background: rgba(255,255,255,.05); color: #fff; padding: 4px; cursor: pointer; }
.wallpaper-option:hover { border-color: rgba(255,255,255,.5); background: rgba(255,255,255,.1); }
.wallpaper-option.is-selected { border-color: #fff; box-shadow: 0 0 0 1px rgba(255,255,255,.7); }
.wallpaper-preview { display: block; width: 100%; aspect-ratio: 16/10; border-radius: 3px; background-position: center; background-size: cover; overflow: hidden; }
.wallpaper-name { display: block; min-width: 0; padding: 5px 2px 1px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 10px; text-align: left; }
.dynamic-preview { position: relative; background: #11181b; }
.dynamic-preview::before, .dynamic-preview::after { content: ""; position: absolute; inset: 0; }
.dynamic-preview[data-animation="tide"]::before { background: repeating-linear-gradient(160deg,transparent 0 13%,rgba(70,210,184,.78) 14% 18%,transparent 19% 31%,rgba(255,111,89,.66) 32% 36%,transparent 37% 48%); transform: scale(1.4) rotate(-5deg); }
.dynamic-preview[data-animation="spectrum"]::before { background: repeating-linear-gradient(90deg,rgba(64,201,219,.8) 0 4%,transparent 4% 9%,rgba(255,184,77,.72) 9% 12%,transparent 12% 18%); clip-path: polygon(0 72%,7% 42%,14% 68%,22% 25%,30% 70%,39% 38%,48% 76%,58% 18%,67% 66%,76% 32%,85% 70%,93% 45%,100% 72%,100% 100%,0 100%); }
.dynamic-preview[data-animation="rain"]::before { background: repeating-linear-gradient(104deg,transparent 0 12%,rgba(144,215,228,.62) 12% 13%,transparent 13% 25%,rgba(255,139,104,.48) 25% 26%,transparent 26% 39%); transform: translateY(-18%) scale(1.3); }
.dynamic-preview[data-animation="rainy-city"] { background-image: linear-gradient(rgba(5,16,24,.2),rgba(5,16,24,.42)),url("./assets/wallpapers/rainy-city-night.webp"); }
.dynamic-preview[data-animation="rainy-city"]::before { inset: -35% 0 0; background: repeating-linear-gradient(98deg,transparent 0 12%,rgba(221,242,246,.44) 12.4% 12.9%,transparent 13.3% 27%); animation: rain-preview-slide 1.8s linear infinite; }
@keyframes rain-preview-slide { to { transform: translateY(28%); } }
.background-controls { display: grid; gap: 14px; margin-top: 18px; }
.background-controls label { display: grid; gap: 7px; }
.background-controls label > span { display: flex; justify-content: space-between; gap: 12px; color: rgba(255,255,255,.76); font-size: 12px; }
.background-controls input:disabled { opacity: .35; cursor: not-allowed; }
.background-controls output { color: #fff; font-variant-numeric: tabular-nums; }
.full-player-grid {
  height: 100vh;
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(0, 2fr);
  grid-template-rows: minmax(0, 1fr) auto;
  grid-template-areas: "cover lyrics" "main main";
  gap: clamp(22px,4vw,64px);
  align-items: center;
  padding: clamp(44px,7vh,86px) clamp(18px,5vw,70px) clamp(24px,5vh,52px);
}
.full-cover-wrap { grid-area: cover; display: grid; place-items: center; align-content: center; gap: 22px; min-width: 0; }
.full-cover { width: min(440px,82%); aspect-ratio: 1; border-radius: 50%; background-position: center; background-size: cover; box-shadow: 0 28px 70px rgba(0,0,0,.38); animation: cover-spin 18s linear infinite; animation-play-state: paused; }
.full-cover.is-spinning { animation-play-state: running; }
@keyframes cover-spin { to { transform: rotate(360deg); } }
.full-player-main { grid-area: main; min-width: 0; display: grid; justify-items: center; }
.full-track-copy { min-width: 0; width: min(440px,82%); text-align: center; }
.full-track-copy h2 { margin: 0; overflow-wrap: anywhere; font-size: clamp(18px,2vw,28px); line-height: 1.18; }
.full-artist[hidden] { display: none; }
.full-player-controls { width: min(1180px, 100%); min-width: 0; display: grid; grid-template-columns: minmax(0,1fr) auto auto; gap: 14px; align-items: end; justify-content: center; }
.full-progress { display: grid; grid-template-columns: 42px minmax(0,1fr) 42px; gap: 10px; align-items: center; padding-bottom: 7px; font-size: 12px; color: rgba(255,255,255,.72); }
.full-controls { display: flex; gap: 10px; }
.lyrics-panel { position: relative; grid-area: lyrics; align-self: stretch; min-height: 0; display: grid; grid-template-rows: auto minmax(0,1fr); padding-right: clamp(4px,1vw,14px); }
.lyrics-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.lyrics-head .eyebrow { margin: 0; }
.lyrics-list { display: grid; align-content: start; gap: 11px; min-height: 0; overflow-y: auto; padding-right: 10px; color: rgba(255,255,255,.68); line-height: 1.7; scroll-behavior: smooth; scrollbar-width: none; -ms-overflow-style: none; }
.lyrics-list::-webkit-scrollbar { display: none; }
.lyrics-line { display: block; margin: 0; padding: 5px 0; border-radius: 6px; }
.lyrics-line[data-lyrics-time] { cursor: pointer; }
.lyrics-line[data-lyrics-time]:hover { color: #fff; }
.lyrics-line strong { min-width: 0; font-size: clamp(18px,1.8vw,28px); font-weight: 650; }
.lyrics-line.active { color: #fff; font-weight: 800; }
.lyrics-empty { display: grid; gap: 8px; align-content: center; min-height: 150px; color: rgba(255,255,255,.68); }
.lyrics-empty strong { color: #fff; font-size: 16px; }
.lyrics-empty .ghost-button { width: fit-content; color: #fff; border-color: rgba(255,255,255,.26); background: rgba(255,255,255,.08); }

@media (max-width: 1180px) {
  .app-shell { grid-template-columns: 82px minmax(0, 1fr) 280px; }
  .app-shell.queue-closed { grid-template-columns: 82px minmax(0, 1fr); }
  .brand span, .nav-item span, .playlist-box, .sidebar-tools span { display: none; }
  .brand, .nav-item, .tool-button { justify-content: center; }
  .main { padding-inline: 24px; }
  .track-grid { grid-template-columns: repeat(4, minmax(110px, 1fr)); }
  .full-player-grid { grid-template-columns: minmax(220px,.85fr) minmax(0,1.4fr); gap: 28px; }
  .full-player-controls { grid-template-columns: minmax(0,1fr) auto auto; }
}

@media (max-width: 860px) {
  .app-shell { display: block; padding-bottom: 126px; }
  .sidebar { position: static; height: auto; padding: 10px 14px; display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 12px; border-right: 0; border-bottom: 1px solid var(--line); }
  .brand { margin: 0; }
  .brand span { display: inline; }
  .nav-list { display: flex; justify-content: flex-end; }
  .nav-item { width: 40px; padding: 0; justify-content: center; }
  .nav-item span, .playlist-box, .sidebar-tools { display: none; }
  .main { padding: 0 16px 28px; }
  .topbar { height: 58px; margin-bottom: 18px; }
  .featured { grid-template-columns: 140px minmax(0,1fr); gap: 18px; min-height: 0; padding-bottom: 20px; }
  .featured-copy .eyebrow { margin-bottom: 8px; }
  .featured-copy h1 { font-size: 30px; }
  .featured-artist { font-size: 15px; margin-bottom: 6px; }
  .featured-tags, .hero-copy { font-size: 12px; }
  .hero-copy { margin: 10px 0 14px; line-height: 1.55; }
  .editorial-stats { display: none; }
  .track-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px 12px; }
  .track-head { align-items: flex-start; flex-direction: column; }
  .queue-panel { position: static; height: auto; border-left: 0; border-top: 1px solid var(--line); padding: 24px 16px 32px; }
  .player { height: 126px; grid-template-columns: minmax(0,1fr) auto; grid-template-areas: "track tools" "center center"; gap: 8px 12px; padding: 10px 14px; }
  .player-track { grid-area: track; }
  .player-center { grid-area: center; grid-template-columns: auto minmax(0,1fr); width: 100%; align-items: center; gap: 12px; }
  .player-tools { grid-area: tools; }
  .player-tools input, .player-tools > i { display: none; }
  .progress-row { min-width: 0; }
  .full-player { overflow: auto; }
  .full-player-grid { height: auto; min-height: 100vh; grid-template-columns: 1fr; grid-template-rows: auto minmax(260px,1fr) auto; grid-template-areas: "cover" "lyrics" "main"; align-items: start; padding-top: 64px; }
  .full-cover { width: min(62vw,300px); margin: 0 auto; }
  .full-track-copy { width: min(62vw,300px); }
  .lyrics-list { max-height: 42vh; }
  .full-player-controls { grid-template-columns: minmax(0,1fr); align-items: stretch; }
  .full-controls, .full-player-actions { justify-content: center; }
  .background-panel { top: 68px; right: 16px; }
  .edit-track-layout { grid-template-columns: 1fr; }
  .edit-cover-column { justify-items: center; }
  .edit-field-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .featured { grid-template-columns: 112px minmax(0,1fr); }
  .featured-copy h1 { font-size: 26px; }
  .featured-tags, .hero-copy { display: none; }
  .primary-button { min-height: 36px; padding-inline: 10px; }
  .track-section { padding-top: 24px; }
  .track-title { font-size: 13px; }
  .tag { max-width: 74px; }
  .queue-tools { grid-template-columns: 1fr; }
  .player-center { grid-template-columns: auto minmax(0, 1fr); }
  .transport { justify-content: flex-start; }
  .transport .icon-button { width: 34px; min-height: 34px; }
  .progress-row { grid-template-columns: minmax(0, 1fr); }
  .progress-row span { display: none; }
  .full-player-top { width: 110px; height: 96px; padding: 12px 12px 0 0; }
  .full-player-actions { gap: 5px; }
  .full-player-actions .icon-button { width: 34px; min-height: 34px; }
  .full-player-grid { padding-inline: 16px; }
  .full-track-copy h2 { font-size: 18px; }
  .lyrics-line strong { font-size: 17px; }
  .background-panel { right: 10px; width: calc(100vw - 20px); }
  .wallpaper-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  .full-cover { animation: none; }
  .dynamic-background-canvas { transition: none; }
  .dynamic-preview[data-animation="rainy-city"]::before { animation: none; }
}