:root{
  --safeB: env(safe-area-inset-bottom, 0px);
  --safeT: env(safe-area-inset-top, 0px);

  --card: rgba(255,255,255,.10);
  --stroke: rgba(255,255,255,.18);
  --txt: rgba(255,255,255,.96);
  --muted: rgba(255,255,255,.72);
  --muted2: rgba(255,255,255,.54);

  --shadow-soft: 0 10px 26px rgba(0,0,0,.55);
  --shadow-strong: 0 18px 48px rgba(0,0,0,.75);
  --shadow-subtle: 0 6px 16px rgba(0,0,0,.45);

  --r: 22px;
  --r2: 16px;

  --energy: 0;
  --kick: 0;
}

/* 主题色：同时驱动背景和细节 */
body[data-mood="sweet"]{
  --bg0:#1b0614; --bg1:#3b1027;
  --a1:#ffb3d7; --a2:#ff6fb1; --a3:#ffd3f0;
}
body[data-mood="cool"]{
  --bg0:#05051d; --bg1:#140a38;
  --a1:#c77dff; --a2:#7c5cff; --a3:#00e5ff;
}
body[data-mood="soft"]{
  --bg0:#02181b; --bg1:#02313b;
  --a1:#9ff3ff; --a2:#61dafb; --a3:#b9ffea;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; }

/* 静态“流彩”背景：多层渐变，无动画 */
body{
  margin:0;
  color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,Segoe UI,Roboto,Arial,sans-serif;

  background:
    radial-gradient(1200px 900px at -10% -10%, color-mix(in oklab, var(--a1) 80%, transparent) 0%, transparent 62%),
    radial-gradient(1200px 900px at 110% -10%, color-mix(in oklab, var(--a2) 82%, transparent) 0%, transparent 62%),
    radial-gradient(1300px 900px at 50% 120%, color-mix(in oklab, var(--a3) 80%, transparent) 0%, transparent 60%),
    conic-gradient(
      from 220deg at 50% 35%,
      color-mix(in oklab, var(--a1) 40%, transparent),
      color-mix(in oklab, var(--a2) 26%, transparent),
      color-mix(in oklab, var(--a3) 30%, transparent),
      color-mix(in oklab, var(--a1) 32%, transparent)
    ),
    linear-gradient(180deg, var(--bg0), var(--bg1));

  background-attachment: fixed;
  overflow-x:hidden;
}

/* 彻底停用 FX Canvas（保留 DOM，不再渲染） */
.fxCanvas{
  display:none !important;
}

/* 不再使用 body::before / ::after 动画背景，直接删除 */

/* 布局 */
.wrap{
  position:relative;
  z-index:2;
  width:min(980px, 92vw);
  margin:0 auto;
  padding: calc(22px + var(--safeT)) 0 calc(120px + var(--safeB));
}

.grid{
  display:grid;
  grid-template-columns: 1.25fr .9fr;
  gap:18px;
  margin-top:16px;
}
@media (max-width: 860px){
  .grid{ grid-template-columns:1fr; }
}

.side{ display:grid; gap:16px; }

/* 顶部条 */
.topbar{ padding: 10px 0 14px; z-index:5; }
.topbarInner{
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:10px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.22);
  background:
    linear-gradient(135deg, rgba(8,8,28,.9), rgba(12,12,32,.9)),
    radial-gradient(circle at 0 0, rgba(255,255,255,.15), transparent 60%);
  box-shadow: var(--shadow-soft);
  position:relative; overflow:hidden;
}

.brand{ display:flex; align-items:center; gap:10px; min-width:0; }
.avatarWrap{ position:relative; width:40px; height:40px; flex:0 0 auto; }
.avatarRing{
  position:absolute; inset:-3px; border-radius:999px;
  background: conic-gradient(from 200deg,
    color-mix(in oklab, var(--a1) 70%, transparent),
    color-mix(in oklab, var(--a2) 70%, transparent),
    color-mix(in oklab, var(--a3) 70%, transparent),
    color-mix(in oklab, var(--a1) 70%, transparent));
  opacity:.9;
}
.avatar{
  width:40px; height:40px; border-radius:999px;
  border:1px solid rgba(255,255,255,.32);
  background: radial-gradient(circle at 20% 0%, rgba(255,255,255,.85), rgba(255,255,255,.05));
  background-size:cover; background-position:center;
  box-shadow: var(--shadow-subtle);
}
.brandTitle{ display:flex; flex-direction:column; line-height:1.05; min-width:0; }
.brandTitle strong{ font-weight:900; font-size:14px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.brandTitle span{ color:var(--muted2); font-size:12px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }

/* mood 切换 pill，有轻微阴影 */
.mood{ display:flex; gap:8px; align-items:center; flex-wrap:wrap; justify-content:flex-end; }
.pill{
  border:1px solid rgba(255,255,255,.2);
  background: rgba(13,13,40,.7);
  color: var(--muted);
  padding:7px 11px;
  border-radius:999px;
  font-size:12px;
  line-height:1;
  cursor:pointer;
  box-shadow: var(--shadow-subtle);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease, color .18s ease, background .18s ease;
}
.pill:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,.36);
  box-shadow: var(--shadow-soft);
}
.pill[aria-pressed="true"]{
  color: rgba(255,255,255,.98);
  border-color: rgba(255,255,255,.9);
  background: linear-gradient(120deg,
    color-mix(in oklab, var(--a1) 40%, rgba(18,18,40,.9)),
    color-mix(in oklab, var(--a2) 36%, rgba(18,18,40,.95)));
}

/* 卡片 + 阴影 */
.card{
  border-radius: var(--r);
  padding:1px;
  background: linear-gradient(135deg,
    color-mix(in oklab, var(--a1) 26%, rgba(255,255,255,.02)),
    color-mix(in oklab, var(--a2) 20%, rgba(255,255,255,.02)),
    color-mix(in oklab, var(--a3) 18%, rgba(255,255,255,.02)));
  box-shadow: var(--shadow-strong);
  position:relative;
  overflow:hidden;
}
.card::before{
  content:"";
  position:absolute; inset:-40%;
  background: radial-gradient(circle at 0 0, rgba(255,255,255,.28), transparent 65%);
  opacity:.16;
  mix-blend-mode:screen;
  pointer-events:none;
}
.inner{
  position:relative;
  border-radius: calc(var(--r) - 2px);
  border:1px solid rgba(255,255,255,.18);
  background: radial-gradient(circle at 0 0, rgba(255,255,255,.10), rgba(8,8,22,.92));
  padding:18px;
}
.card:hover{ transform: translateY(-1px); }

/* 文案 */
.eyebrow{ display:flex; align-items:center; gap:10px; color:var(--muted); font-size:13px; }
.spark{
  width:10px; height:10px; border-radius:999px;
  background: radial-gradient(circle, rgba(255,255,255,.95), rgba(255,255,255,0));
}
.h1{
  font-size: clamp(27px, 3.8vw, 44px);
  line-height:1.08;
  margin: 10px 0 10px;
  background: linear-gradient(120deg,#fff,
    color-mix(in oklab, var(--a1) 40%, #fff),
    color-mix(in oklab, var(--a2) 36%, #fff));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.sub{ color:var(--muted); font-size:14px; line-height:1.6; margin:0 0 14px; }

/* chips */
.chips{ display:flex; flex-wrap:wrap; gap:10px; margin-top:10px; }
.chip{
  position:relative;
  padding: 9px 13px;
  border-radius: 999px;
  font-size: 13px;
  line-height:1;
  color: rgba(255,255,255,.92);
  border:1px solid transparent;
  background:
    linear-gradient(rgba(10,10,40,.9), rgba(10,10,40,.78)) padding-box,
    linear-gradient(120deg, var(--a1), var(--a2), var(--a3)) border-box;
  overflow:hidden;
  transform: translateZ(0);
  box-shadow: var(--shadow-subtle);
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}
.chip::before{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,.35) 20%, transparent 40%);
  transform: translateX(-120%);
  opacity:.9;
}
.chip:hover{
  transform: translateY(-2px) rotate(-.6deg);
  box-shadow: var(--shadow-soft);
}
.chip:hover::before{ animation: sheen .7s ease forwards; }

/* 小范围动画，不影响背景性能 */
@keyframes sheen{ to{ transform: translateX(120%); } }

/* 按钮 */
.ctaRow{ display:flex; flex-wrap:wrap; gap:10px; margin-top:16px; }
.btn{
  appearance:none;
  border:1px solid rgba(255,255,255,.18);
  border-radius: 14px;
  padding: 11px 14px;
  cursor:pointer;
  font-weight:800;
  font-size:14px;
  color: rgba(255,255,255,.96);
  background: linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.03));
  box-shadow: var(--shadow-subtle);
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease, background .16s ease;
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  user-select:none;
}
.btn:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,.32);
  box-shadow: var(--shadow-soft);
  background: radial-gradient(circle at 0 0, rgba(255,255,255,.18), rgba(255,255,255,.04));
}
.btn:active{
  transform: translateY(0) scale(.98);
  box-shadow:none;
}
.btn.primary{
  border: 1px solid rgba(255,255,255,.26);
  background: linear-gradient(90deg,
    color-mix(in oklab, var(--a1) 40%, rgba(255,255,255,.12)),
    color-mix(in oklab, var(--a2) 36%, rgba(255,255,255,.1)),
    color-mix(in oklab, var(--a3) 30%, rgba(255,255,255,.08)));
}
.btn.ghost{ background: rgba(5,5,30,.8); }

.mini{
  margin-top:14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding: 14px 16px;
  border-radius: calc(var(--r2) + 4px);
  border:1px solid rgba(255,255,255,.18);
  background: linear-gradient(180deg, rgba(8,8,26,.94), rgba(8,8,22,.94));
  box-shadow: var(--shadow-soft);
}
.label{ font-size:12px; color:var(--muted2); margin-bottom:6px; }
.big{ font-size:16px; font-weight:900; letter-spacing:.2px; }
.idea{ color: rgba(255,255,255,.88); font-size:13px; margin-top:6px; }
@media (max-width: 520px){
  .ctaRow .btn{ width:100%; }
  .mini{ flex-direction:column; align-items:stretch; }
  .mini .btn{ width:100%; }
  .big,.idea{ white-space:normal; overflow:visible; text-overflow:clip; }
}

/* 副标题区域 */
.headRow{ display:flex; align-items:flex-start; justify-content:space-between; gap:10px; }
.h2{ font-weight:900; font-size:16px; }
.h2sub{ color:var(--muted2); font-size:12px; margin-top:4px; }

/* tag 带阴影 */
.tag{
  color:var(--muted2);
  font-size:12px;
  padding:6px 10px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:999px;
  background: rgba(7,7,25,.9);
  box-shadow: var(--shadow-subtle);
}

/* links */
.linksGrid{
  margin-top:12px;
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap:12px;
}
.linkCard{
  border:1px solid rgba(255,255,255,.18);
  background: radial-gradient(circle at 0 0, rgba(255,255,255,.14), rgba(7,7,25,.95));
  border-radius: 18px;
  padding: 13px;
  display:flex;
  align-items:center;
  gap:10px;
  position:relative;
  overflow:hidden;
  box-shadow: var(--shadow-subtle);
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.linkCard::after{
  content:"";
  position:absolute; inset:0;
  background: radial-gradient(circle at 10% -10%, rgba(255,255,255,.35), transparent 55%);
  opacity:0;
  transition: opacity .2s ease;
  mix-blend-mode:screen;
}
.linkCard:hover{
  transform: translateY(-2px);
  border-color: rgba(255,255,255,.34);
  box-shadow: var(--shadow-soft);
}
.linkCard:hover::after{ opacity:.85; }

.ico{
  width:28px; height:28px; border-radius:10px;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.12);
  background-size:cover;
  background-position:center;
  display:flex; align-items:center; justify-content:center;
  flex:0 0 auto;
  overflow:hidden;
  box-shadow: var(--shadow-subtle);
}
.ico span{
  font-size:12px;
  font-weight:900;
  letter-spacing:.6px;
  opacity:.92;
  color: rgba(255,255,255,.92);
}

.linkMeta{ min-width:0; }
.linkMeta .t{ margin:0; font-weight:900; font-size:14px; line-height:1.2; }
.linkMeta .d{ margin:4px 0 0; font-size:12px; color:var(--muted2); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }

.footer{ margin-top:18px; text-align:center; color:var(--muted2); font-size:12px; opacity:.75; }

/* dock（保留动态倾斜和能量，但背景是静态） */
.dock{
  position:fixed;
  left:50%;
  bottom: calc(16px + var(--safeB));
  width: min(980px, 92vw);
  z-index:10;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.22);
  background:
    radial-gradient(circle at 0 0, rgba(255,255,255,.22), rgba(9,9,25,.98)),
    linear-gradient(135deg, rgba(8,8,24,.98), rgba(6,6,20,.98));
  padding:10px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  overflow: hidden;

  transform: translateX(-50%) perspective(900px)
    rotateX(var(--tiltX, 0deg))
    rotateY(var(--tiltY, 0deg))
    scale(calc(1 + var(--kick) * .02));
  box-shadow: var(--shadow-strong);
  transition: transform .12s ease, border-color .18s ease, box-shadow .18s ease;
  border-color: rgba(255,255,255,.26);
}

.dockLeft{ display:flex; align-items:center; gap:10px; min-width:0; }
.track{ min-width:0; display:flex; flex-direction:column; gap:6px; position: relative; z-index: 1; }
.track .now{ font-size:12px; color:var(--muted2); }

.trackRow{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.track .name{
  font-size:13px;
  font-weight:900;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  max-width: 42vw;
}

/* EQ */
.eq{
  width: 200px;
  height: 42px;
  display:flex;
  align-items:flex-end;
  gap:0.5px;
  opacity:.92;

  --b0: 20%;  --b1: 35%;  --b2: 55%;  --b3: 30%;  --b4: 18%;
  --b5: 40%;  --b6: 25%;  --b7: 45%;  --b8: 30%;  --b9: 50%;
  --b10: 20%; --b11: 35%; --b12: 25%; --b13: 45%; --b14: 30%;
  --b15: 55%; --b16: 20%; --b17: 40%; --b18: 35%; --b19: 50%;
  --b20: 22%; --b21: 38%; --b22: 28%; --b23: 42%;
  --b24: 33%; --b25: 27%; --b26: 44%; --b27: 39%; --b28: 16%;
  --b29: 51%; --b30: 23%; --b31: 37%;
}

.eq i{
  display:block;
  width: 4px;
  height: 20%;
  border-radius: 999px;

  background: linear-gradient(180deg,
    rgba(255,255,255,.98),
    color-mix(in oklab, var(--a1) 80%, rgba(255,255,255,.3)),
    color-mix(in oklab, var(--a2) 80%, rgba(255,255,255,.3)),
    color-mix(in oklab, var(--a3) 80%, rgba(255,255,255,.3)));

  box-shadow: 0 0 calc(4px + var(--energy) * 20px) rgba(255,255,255,.12);
  transition: height .02s linear, opacity .08s ease;
  opacity: .65;
}

body.is-playing .eq i{
  opacity: .98;
  filter: saturate(1.25);
}

.eq i:nth-child(1){ height: var(--b0); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #ff9ac9 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(2){ height: var(--b1); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #ff6fb1 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(3){ height: var(--b2); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #ffd3f0 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(4){ height: var(--b3); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #c77dff 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(5){ height: var(--b4); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #7c5cff 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(6){ height: var(--b5); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #00e5ff 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(7){ height: var(--b6); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #9ff3ff 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(8){ height: var(--b7); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #61dafb 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(9){ height: var(--b8); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #b9ffea 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(10){ height: var(--b9); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #ff9ac9 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(11){ height: var(--b10); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #ff6fb1 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(12){ height: var(--b11); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #ffd3f0 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(13){ height: var(--b12); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #c77dff 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(14){ height: var(--b13); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #7c5cff 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(15){ height: var(--b14); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #00e5ff 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(16){ height: var(--b15); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #9ff3ff 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(17){ height: var(--b16); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #61dafb 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(18){ height: var(--b17); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #b9ffea 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(19){ height: var(--b18); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #ff9ac9 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(20){ height: var(--b19); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #ff6fb1 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(21){ height: var(--b20); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #ffd3f0 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(22){ height: var(--b21); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #c77dff 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(23){ height: var(--b22); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #7c5cff 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(24){ height: var(--b23); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #00e5ff 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(25){ height: var(--b24); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #ff9ac9 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(26){ height: var(--b25); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #ff6fb1 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(27){ height: var(--b26); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #ffd3f0 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(28){ height: var(--b27); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #c77dff 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(29){ height: var(--b28); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #7c5cff 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(30){ height: var(--b29); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #00e5ff 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(31){ height: var(--b30); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #9ff3ff 80%, rgba(255,255,255,.3))); }
.eq i:nth-child(32){ height: var(--b31); background: linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in oklab, #61dafb 80%, rgba(255,255,255,.3))); }

/* 进度条：静态渐变，没有流动动画 */
.bar{
  width: min(380px, 52vw);
  background: rgba(255,255,255,.06);
  border-radius: 999px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
}
.dock .bar{
  height: 10px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
}
.bar > i{
  display:block;
  height:100%;
  width:0%;
  border-radius:999px;
  transition: width .2s linear;
}
#progress{
  background: linear-gradient(90deg, var(--a1), var(--a2), var(--a3), var(--a1));
  background-size: 260% 100%;
}

/* 播放控制按钮 */
.dockBtns{ display:flex; gap:8px; align-items:center; position: relative; z-index: 1; }
.iconBtn{
  width:44px; height:44px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.2);
  background: radial-gradient(circle at 0 0, rgba(255,255,255,.18), rgba(7,7,28,.96));
  cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  box-shadow: var(--shadow-subtle);
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
  position: relative;
  overflow: visible;
}
.iconBtn:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,.36);
  box-shadow: var(--shadow-soft);
}
.iconBtn:active{ transform: translateY(0) scale(.96); box-shadow:none; }
.iconBtn svg{ width:20px; height:20px; fill: rgba(255,255,255,.9); }

/* 主播放键：静态光泽 */
#musicToggle{
  position: relative;
  width: 54px;
  height: 54px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 30% 25%, rgba(255,255,255,.9), rgba(255,255,255,.18) 28%, rgba(0,0,0,0) 60%),
    radial-gradient(circle at 50% 60%, rgba(255,255,255,.22), rgba(0,0,0,0) 58%),
    linear-gradient(135deg, rgba(255,255,255,.16), rgba(0,0,0,0));
  box-shadow: var(--shadow-strong);
  transform: translateZ(0);
}

#musicToggle::before{
  content:"";
  position:absolute;
  inset:-16px;
  border-radius: 999px;
  background: conic-gradient(from 0deg,
    rgba(255,255,255,0),
    var(--a1),
    rgba(255,255,255,0),
    var(--a2),
    rgba(255,255,255,0),
    var(--a3),
    rgba(255,255,255,0));
  opacity: calc(.18 + var(--energy) * .4);
  pointer-events:none;
}

#musicToggle::after{
  content:"";
  position:absolute;
  inset:-3px;
  border-radius:999px;
  background: radial-gradient(circle at 50% 50%,
    rgba(255,255,255,.65),
    rgba(255,255,255,0) 60%);
  opacity: calc(var(--kick) * .85);
  transform: scale(calc(1 + var(--kick) * .25));
  pointer-events:none;
}

/* toast */
.toast{
  position: fixed;
  left:50%;
  transform: translateX(-50%) translateY(-8px);
  top: calc(14px + var(--safeT));
  z-index:20;
  padding: 9px 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(6,6,18,.9);
  color: rgba(255,255,255,.96);
  font-size: 13px;
  opacity:0;
  pointer-events:none;
  transition: opacity .2s ease, transform .2s ease;
  box-shadow: var(--shadow-soft);
}
.toast.show{ opacity:1; transform: translateX(-50%) translateY(0); }

/* 轻量级从天而降爱心 --------------------------------- */
.heartsLayer{
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;           /* 在背景之上、内容之下：你如果需要，可调成 0 或 2 */
  overflow: hidden;
}

/* 单个爱心：只有 transform + opacity 动画 */
.heartDrop{
  position: absolute;
  top: -10vh;
  font-size: 18px;
  line-height: 1;
  filter: none;          /* 明确避免多余 filter */
  text-shadow: none;
  will-change: transform, opacity;
  animation-name: heartFall;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  color: color-mix(in oklab, var(--a1) 60%, var(--a2) 40%);
  /* animation-duration / delay 由 JS 动态设置 */
}

/* 下落 + 轻微漂移 */
@keyframes heartFall{
  0%{
    transform: translate3d(0, -10vh, 0) scale(var(--scale, 1));
    opacity: 0;
  }
  10%{
    opacity: 1;
  }
  100%{
    transform: translate3d(0, 110vh, 0) scale(var(--scale, 1));
    opacity: 0;
  }
}

/* 如果系统要求减少动画，完全关掉爱心层 */
@media (prefers-reduced-motion: reduce){
  .heartsLayer{
    display: none !important;
  }
}


/* 降低动画模式：仍然保留基本布局，去掉微动画 */
@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; }
}