/* ============================================================
   MUZIUM — 全局播放器
   常态：左下角小型播放栏（旋转封面 + 进度条 + 播放列表）
   最大化：全屏，Apple-Music-like 逐字歌词
   ============================================================ */

.player {
  position: fixed; left: 20px; bottom: 20px; z-index: 400;
  width: min(392px, calc(100vw - 40px));
  background: color-mix(in srgb, var(--bg-1) 92%, transparent);
  backdrop-filter: saturate(170%) blur(20px);
  -webkit-backdrop-filter: saturate(170%) blur(20px);
  border: 1px solid var(--line-2);
  box-shadow: var(--shadow-l);
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.player[hidden] { display: none; }
.player.hidden-dock { opacity: 0; transform: translateY(14px) scale(.98); pointer-events: none; }

@media (max-width: 560px) {
  .player { left: 0; right: 0; bottom: 0; width: auto; border-left: 0; border-right: 0; border-bottom: 0; }
}

/* ---------- 顶部细进度条 ---------- */
.p-progress {
  position: relative; height: 4px; background: var(--bg-3); cursor: pointer;
  transition: height var(--dur) var(--ease);
}
.p-progress:hover { height: 7px; }
.p-progress-buf { position: absolute; inset: 0 auto 0 0; background: var(--line-2); width: 0; }
.p-progress-fill { position: absolute; inset: 0 auto 0 0; background: var(--accent); width: 0; }
.p-progress-knob {
  position: absolute; top: 50%; left: 0; width: 3px; height: 13px;
  background: var(--fg); transform: translate(-50%, -50%) scaleY(0);
  transition: transform var(--dur) var(--ease);
}
.p-progress:hover .p-progress-knob { transform: translate(-50%, -50%) scaleY(1); }

/* ---------- 主体 ---------- */
.p-main { display: flex; align-items: center; gap: 13px; padding: 12px 13px; }

/* 旋转专辑封面（播放/展厅按钮叠放其上） */
.p-disc {
  position: relative; width: 54px; height: 54px; flex: 0 0 auto;
  border-radius: 50%;               /* 唯一的圆形：唱片本身 */
  overflow: hidden;
  background: var(--bg-3);
  box-shadow: 0 0 0 1px var(--line-2);
}
.p-disc img {
  width: 100%; height: 100%; object-fit: cover;
  animation: spin 18s linear infinite; animation-play-state: paused;
}
.p-disc.spinning img { animation-play-state: running; }
@keyframes spin { to { transform: rotate(360deg); } }
/* 封面是歌手头像，不做中心轴孔，否则会正好遮住脸 */

/* 叠在封面上的播放键 */
.p-disc-btn {
  position: absolute; inset: 0; z-index: 2;
  display: grid; place-items: center;
  background: rgba(6, 6, 8, .5);
  opacity: 0; transition: opacity var(--dur) var(--ease);
}
.p-disc:hover .p-disc-btn, .p-disc-btn:focus-visible { opacity: 1; }
.p-disc-btn svg { width: 17px; height: 17px; fill: #fff;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,.7)); }

.p-meta { min-width: 0; flex: 1; max-width: 50%; }
.p-title { font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.p-artist { font-size: 11.5px; color: var(--fg-2); white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis; margin-top: 2px; }
.p-time { font-size: 11px; color: var(--fg-2); font-variant-numeric: tabular-nums;
  letter-spacing: .04em; margin-top: 3px; }

.p-ctrls { display: flex; align-items: center; gap: 2px; flex: 0 0 auto; }

.p-btn {
  width: 32px; height: 32px; display: grid; place-items: center;
  color: var(--fg-1);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.p-btn:hover { color: var(--fg); background: var(--bg-3); }
.p-btn svg { width: 15px; height: 15px; fill: currentColor; }
.p-btn.on { color: var(--accent); }

/* ---------- 播放列表抽屉 ---------- */
.p-queue {
  border-top: 1px solid var(--line);
  max-height: 0; overflow: hidden;
  transition: max-height .38s var(--ease);
}
.p-queue.open { max-height: min(52vh, 400px); }
.p-queue-inner { max-height: min(52vh, 400px); overflow-y: auto; }
.p-queue-head { display: flex; align-items: center; justify-content: space-between;
  padding: 9px 14px; font-size: 11px; letter-spacing: .2em; color: var(--fg-2);
  position: sticky; top: 0; background: var(--bg-2); border-bottom: 1px solid var(--line); z-index: 1; }
.p-q-item {
  display: flex; align-items: center; gap: 11px; padding: 9px 14px;
  cursor: pointer; border-bottom: 1px solid var(--bg-3);
  transition: background var(--dur) var(--ease);
}
.p-q-item:hover { background: var(--bg-2); }
.p-q-item.on { background: var(--bg-3); }
.p-q-item.on .p-q-title { color: var(--accent); }
.p-q-idx { width: 20px; text-align: center; font-size: 11px; color: var(--fg-2);
  font-variant-numeric: tabular-nums; flex: 0 0 auto; }
.p-q-body { min-width: 0; flex: 1; }
.p-q-title { font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.p-q-artist { font-size: 11px; color: var(--fg-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ============================================================
   最大化视图
   ============================================================ */
.pmax {
  position: fixed; inset: 0; z-index: 500;
  display: grid; grid-template-rows: auto 1fr auto;
  background: var(--bg);
  opacity: 0; pointer-events: none;
  transform: scale(1.015);
  transition: opacity .4s var(--ease), transform .45s var(--ease-out);
}
.pmax.open { opacity: 1; pointer-events: auto; transform: none; }
/* 最大化内部始终是深色背景（模糊封面），
   因此在此作用域内覆盖前景/底色变量，两种主题下表现一致 */
.pmax {
  --fg:    #f4f4f7;
  --fg-1:  #b9b9c6;
  --fg-2:  #8a8a95;
  --bg-2:  rgba(255, 255, 255, .08);
  --bg-3:  rgba(255, 255, 255, .13);
  --line:  rgba(255, 255, 255, .12);
  --line-2:rgba(255, 255, 255, .22);
  color: var(--fg);
}

/* 由当前封面取色的背景光晕 */
.pmax-bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; background: #08080a; }
.pmax-bg img {
  position: absolute; inset: -18%; width: 136%; height: 136%; object-fit: cover;
  filter: blur(88px) saturate(200%) brightness(.52);
  transform: scale(1.15); animation: drift 34s var(--ease) infinite alternate;
}
@keyframes drift {
  from { transform: scale(1.14) translate3d(-2%, -1.5%, 0); }
  to   { transform: scale(1.26) translate3d(2%, 1.5%, 0); }
}
.pmax-bg::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8,8,10,.66), rgba(8,8,10,.9)); }

.pmax-top {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px clamp(18px, 4vw, 40px);
}
.pmax-top .eyebrow { color: var(--fg-1); }

/* 整体在视口内居中，两列之间留出更大的呼吸空间 */
.pmax-body {
  position: relative; z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 400px) minmax(0, 560px);
  justify-content: center;
  gap: clamp(48px, 8vw, 132px);
  align-items: center;
  padding: 0 clamp(24px, 5vw, 64px);
  min-height: 0;
}
/* 桌面端只让歌词列撑满 body 高度（flex:1 才能滚动、当前行居中）；
   封面列保持原正方形、在列内垂直居中，避免被拉伸成椭圆 */
.pmax-body > .pmax-info { align-self: stretch; min-height: 0; }
.pmax-body > .pmax-art { align-self: center; }
@media (max-width: 900px) {
  .pmax-body { grid-template-columns: 1fr; align-content: start; gap: 22px;
    overflow-y: auto; padding-bottom: 20px; }
  .pmax-art { max-width: 210px; margin: 0 auto; }
  .pmax-info { text-align: center; }
  .pmax-tags { justify-content: center; }
}

/* 最大化里的大唱片：封面即歌手头像，不打轴孔 */
.pmax-art { position: relative; width: 100%; aspect-ratio: 1; }
.pmax-art img {
  width: 100%; height: 100%; object-fit: cover; border-radius: 50%;
  box-shadow: 0 26px 80px rgba(0,0,0,.7), 0 0 0 1px rgba(255,255,255,.09);
  animation: spin 22s linear infinite; animation-play-state: paused;
}
.pmax-art.spinning img { animation-play-state: running; }

.pmax-info { min-width: 0; display: flex; flex-direction: column; min-height: 0; }
.pmax-title { font-size: clamp(24px, 4.4vw, 46px); letter-spacing: .04em; color: var(--fg); }
.pmax-artist { color: var(--fg-1); margin-top: 8px; font-size: clamp(14px, 1.8vw, 17px); }
.pmax-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

/* ---------- Apple-Music-like 歌词 ---------- */
/* 用 flex:1 撑满歌词列剩余高度（而非固定 max-height），
   配合上下各 50% 的留白，首/尾行也能滚到正中心，当前行永远居中 */
.lyrics {
  position: relative;            /* 成为子元素的 offsetParent，offsetTop 与 scrollTop 同基准 */
  margin-top: clamp(16px, 3vw, 30px);
  flex: 1 1 auto; min-height: 0;
  overflow-y: auto; overflow-x: hidden;
  scrollbar-width: none;
  /* 上下对称淡出，透明区收窄到 12%，让已唱白行更多留在实区，强化流动包裹感 */
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 12%, #000 88%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 0%, #000 12%, #000 88%, transparent 100%);
}
.lyrics::-webkit-scrollbar { display: none; }
/* 首尾各留半屏（取容器一半高度），保证第一行与最后一行也能滚到正中间 */
.lyrics-pad { height: 50%; flex: 0 0 auto; }

.lyric-line {
  padding: 11px 0;
  font-size: clamp(19px, 2.7vw, 31px);
  font-weight: 600; line-height: 1.4; letter-spacing: .02em;
  color: color-mix(in srgb, var(--fg) 26%, transparent);
  cursor: pointer;
  transform-origin: left center;
  transition: color .45s var(--ease), transform .45s var(--ease), opacity .45s var(--ease);
  opacity: .96;
}
.lyric-line:hover { color: color-mix(in srgb, var(--fg) 58%, transparent); }
.lyric-line.done { color: color-mix(in srgb, var(--fg) 52%, transparent); }
.lyric-line.active { color: var(--fg); opacity: 1; transform: scale(1.02); }
.lyric-line.bg { font-size: clamp(15px, 2vw, 22px); opacity: .82; padding-left: 1.4em; }

/* 逐字（karaoke）填充：底色 + 高亮层随时间推进 */
.lyric-line .syl {
  display: inline-block;
  white-space: pre-wrap;
  background-image: linear-gradient(90deg, var(--fg) 50%, color-mix(in srgb, var(--fg) 25%, transparent) 50%);
  background-size: 200% 100%;
  background-position: 100% 0;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  will-change: background-position, transform;
}
/* 行进度由 JS 逐帧写 inline background-position，
   此处不再用选择器覆盖，否则会与 inline 样式打架。 */

/* 逐字轻微上浮 */
.lyric-line.active .syl { transition: transform .3s var(--ease); }
.lyric-line.active .syl.up { transform: translateY(-2px); }

.lyric-trans { display: block; font-size: .52em; font-weight: 400;
  color: color-mix(in srgb, var(--fg) 52%, transparent); margin-top: 5px; letter-spacing: .04em; }

/* 无歌词时不要被 50% 的留白挤到看不见 */
.lyrics-empty { color: var(--fg-2); font-size: 14px; letter-spacing: .06em;
  display: grid; place-items: center; min-height: 160px; }

/* ---------- 最大化底部控制 ---------- */
.pmax-foot { position: relative; z-index: 2; padding: 14px clamp(18px, 4vw, 40px) 26px; }

/* 底部栏右侧吸附：歌词格式来源备注（不引用库本身，仅借鉴其格式） */
.pmax-credit {
  position: absolute; right: clamp(18px, 4vw, 40px); bottom: 6px;
  font-size: 10px; letter-spacing: .04em; color: color-mix(in srgb, var(--fg) 45%, transparent);
  pointer-events: none; user-select: none;
}

.pmax-bar { display: flex; align-items: center; gap: 13px; }
.pmax-bar .t { font-size: 12px; color: var(--fg-1); font-variant-numeric: tabular-nums; flex: 0 0 auto; }
.pmax-seek { position: relative; flex: 1; height: 5px; background: rgba(255,255,255,.16); cursor: pointer; }
.pmax-seek:hover { height: 8px; }
.pmax-seek-fill { position: absolute; inset: 0 auto 0 0; background: var(--fg); width: 0; }

.pmax-ctrls { display: flex; align-items: center; justify-content: center; gap: 10px; margin-top: 16px; }
.pmax-ctrls .p-btn { width: 44px; height: 44px; }
.pmax-ctrls .p-btn svg { width: 19px; height: 19px; }
/* .pmax 内部恒为深色背景，主按钮固定「白底黑字」，
   不能用 var(--bg)，否则亮色模式下会变成白字白底 */
.pmax-play { width: 60px !important; height: 60px !important;
  background: var(--fg); color: #101014 !important; }
.pmax-play:hover { background: var(--fg); filter: brightness(.9); }
.pmax-play svg { width: 24px !important; height: 24px !important; }

/* 音量 */
.p-vol { display: flex; align-items: center; gap: 8px; }
.p-vol input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 82px; height: 4px; background: var(--line-2); cursor: pointer;
}
.p-vol input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 4px; height: 14px; background: var(--fg); border: 0; border-radius: 0;
}
.p-vol input[type="range"]::-moz-range-thumb {
  width: 4px; height: 14px; background: var(--fg); border: 0; border-radius: 0;
}

@media (max-width: 560px) {
  .pmax-body { padding-top: 6px; }
  /* 窄屏 .pmax-info 无固定高度，歌词退回可滚动高度，上下留白改用 vh 保证居中 */
  .lyrics { flex: 0 0 auto; max-height: 46vh; }
  .lyrics-pad { height: 23vh; }
}

/* ---------- 小窗音量（JS 控制 .open，聚焦后向上弹出竖向音量条） ---------- */
.p-vol-dock { position: relative; display: inline-flex; align-items: center; }
.p-vol-pop {
  position: absolute; bottom: 100%; right: 0;
  width: 28px; padding: 8px 0;
  display: flex; justify-content: center;
  background: var(--bg-2, #fff);
  border: 1px solid var(--line, rgba(0,0,0,.12));
  border-radius: 0;
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateY(6px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
}
/* 透明桥接区：覆盖图标与弹出层之间的空隙，鼠标移动路径始终在容器内，避免失焦 */
.p-vol-pop::after {
  content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 10px;
}
.p-vol-dock.open .p-vol-pop {
  opacity: 1; visibility: visible; pointer-events: auto; transform: none;
}
/* 竖向滑块：自下而上增长，长度约等于原横向条（72px） */
.p-vol-pop input[type="range"] {
  -webkit-appearance: none; appearance: none;
  writing-mode: vertical-lr; direction: rtl;
  width: 4px; height: 72px; margin: 0;
  background: var(--line-2, #888); border-radius: 0; cursor: pointer;
}
.p-vol-pop input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 10px; height: 4px; border-radius: 0;
  background: var(--fg, #222); border: none; cursor: pointer;
}
.p-vol-pop input[type="range"]::-moz-range-thumb {
  width: 10px; height: 12px; border-radius: 0;
  background: var(--fg, #222); border: none; cursor: pointer;
}

/* ---------- 全屏播放列表（右侧抽屉） ---------- */
.pmax-queue {
  position: absolute; top: 0; right: 0; bottom: 0; z-index: 3;
  width: min(360px, 86vw);
  background: rgba(12, 12, 16, .82);
  backdrop-filter: saturate(160%) blur(26px);
  -webkit-backdrop-filter: saturate(160%) blur(26px);
  border-left: 1px solid rgba(255, 255, 255, .14);
  transform: translateX(100%);
  transition: transform .38s var(--ease);
  display: flex; flex-direction: column;
}
.pmax-queue.open { transform: none; }
.pmax-queue .p-queue-inner { flex: 1; max-height: none; overflow-y: auto; }
.pmax-queue .p-queue-head {
  background: rgba(12, 12, 16, .92); position: sticky; top: 0; z-index: 1;
}
.pmax-queue .p-q-item { border-bottom: 1px solid rgba(255, 255, 255, .1); }

@media (max-width: 900px) {
  .pmax-queue { width: 100vw; border-left: 0; }
}