:root{
  --bg:#0a0a10;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.09);
  --text:#eceaf3;
  --dim:#9a97ab;
  --dim-2:#6f6c82;
  --accent:#7c5cff;
  --accent-2:#ff5fa2;
  --ok:#2fd6a5;
  --r:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html,body{height:100%}
body{
  background:var(--bg);color:var(--text);
  font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  min-height:100dvh;display:flex;flex-direction:column;overflow:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit;color:inherit}

/* 背景光晕 */
.aurora{position:fixed;inset:-20%;z-index:-1;filter:blur(90px);opacity:.5;pointer-events:none;transition:background 1.2s ease;
  background:
    radial-gradient(38% 42% at 22% 18%, #5a37ff66 0%, transparent 70%),
    radial-gradient(34% 38% at 82% 26%, #ff3d8e55 0%, transparent 72%),
    radial-gradient(46% 46% at 55% 92%, #00c2ff44 0%, transparent 70%);
}

/* ---------- 顶栏 ---------- */
.topbar{display:flex;align-items:center;gap:16px;padding:14px 22px;border-bottom:1px solid var(--line);
  background:rgba(10,10,16,.6);backdrop-filter:blur(18px);flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:16px;letter-spacing:.3px;white-space:nowrap}
.logo{width:28px;height:28px;display:grid;place-items:center;border-radius:9px;font-size:15px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 4px 16px #7c5cff55}
.searchbox{flex:1;min-width:180px;max-width:460px;display:flex;align-items:center;gap:8px;
  background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:0 12px;height:38px;transition:.2s}
.searchbox:focus-within{border-color:#7c5cff88;background:var(--panel-2);box-shadow:0 0 0 3px #7c5cff22}
.searchbox input{flex:1;background:none;border:0;outline:0;font-size:13.5px}
.searchbox input::placeholder{color:var(--dim-2)}
.ico{width:17px;height:17px;fill:currentColor;opacity:.6;flex:none}
.actions{display:flex;gap:9px;margin-left:auto}
.presence{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 10px 0 11px;border-radius:20px;
  font-size:12px;font-weight:600;color:#b9f5e2;background:#2fd6a518;border:1px solid #2fd6a535;white-space:nowrap;
  transition:.16s;cursor:pointer}
.presence:hover{background:#2fd6a530;border-color:#2fd6a566}
.presence-dot{width:6px;height:6px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 0 #2fd6a5aa;animation:pulse 2s infinite}
.presence-arrow{width:13px;height:13px;fill:currentColor;opacity:.55;margin-left:1px}
.presence-txt{opacity:.85;font-weight:500}
@keyframes pulse{70%{box-shadow:0 0 0 6px #2fd6a500}100%{box-shadow:0 0 0 0 #2fd6a500}}
.btn{display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 15px;border-radius:11px;font-size:13.5px;
  font-weight:600;border:1px solid var(--line);transition:.18s;white-space:nowrap;cursor:pointer}
.btn.primary{background:linear-gradient(135deg,var(--accent),#b14cff);border-color:transparent;box-shadow:0 6px 20px #7c5cff40}
.btn.primary:hover{transform:translateY(-1px);box-shadow:0 9px 26px #7c5cff5c}
.btn.ghost:hover{background:var(--panel-2)}
.btn input{display:none}

/* ---------- 布局 ---------- */
.layout{flex:1;display:grid;grid-template-columns:340px 1fr;gap:0;min-height:0}
.now-panel{padding:26px 22px 18px;display:flex;flex-direction:column;align-items:center;gap:16px;
  border-right:1px solid var(--line);overflow:hidden;min-height:0}
.cover-wrap{width:100%;max-width:270px;aspect-ratio:1;border-radius:20px;overflow:hidden;position:relative;
  background:linear-gradient(145deg,#1b1730,#0f0e1a);box-shadow:0 18px 50px #00000070,inset 0 0 0 1px #ffffff12;flex:none}
.cover-wrap img{width:100%;height:100%;object-fit:cover}
.cover-ph{position:absolute;inset:0;display:grid;place-items:center;font-size:64px;color:#ffffff22}
.cover-wrap.playing{animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.np-meta{text-align:center;width:100%}
.np-meta h1{font-size:19px;font-weight:700;line-height:1.35;overflow:hidden;text-overflow:ellipsis;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.np-meta p{color:var(--dim);font-size:13px;margin-top:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.np-meta .np-sub{color:var(--dim-2);font-size:11.5px;margin-top:3px;letter-spacing:.2px}

.lyrics{width:100%;flex:1;min-height:0;overflow:auto;text-align:center;padding:6px 6px 40px;
  mask-image:linear-gradient(to bottom,transparent,#000 12%,#000 88%,transparent);
  -webkit-mask-image:linear-gradient(to bottom,transparent,#000 12%,#000 88%,transparent)}
.lyrics::-webkit-scrollbar{width:0}
.lyrics div{color:var(--dim-2);font-size:13px;line-height:2;transition:.3s;padding:1px 0}
.lyrics div.on{color:#fff;font-size:14.5px;font-weight:600;text-shadow:0 0 18px #7c5cff99}
.lyrics-empty{color:var(--dim-2);font-size:12.5px;padding-top:14px}

/* ---------- 列表 ---------- */
.list-panel{display:flex;flex-direction:column;min-height:0;min-width:0}
.tabs{display:flex;gap:8px;padding:16px 22px 10px;flex:none}
.tab{padding:7px 14px;border-radius:10px;font-size:13px;font-weight:600;color:var(--dim);
  border:1px solid transparent;transition:.18s;display:inline-flex;align-items:center;gap:7px}
.tab:hover{color:var(--text);background:var(--panel)}
.tab.active{color:#fff;background:var(--panel-2);border-color:var(--line)}
.pill{font-size:11px;color:var(--dim);background:#ffffff12;border-radius:20px;padding:1px 7px;font-weight:600}
/* ---------- 歌单条 ---------- */
.pl-bar{display:flex;gap:8px;overflow-x:auto;padding:0 22px 10px;flex:none;scrollbar-width:none}
.pl-bar::-webkit-scrollbar{display:none}
.chip{display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 13px;border-radius:10px;flex:none;
  font-size:12.5px;font-weight:600;color:var(--dim);border:1px solid var(--line);transition:.16s;white-space:nowrap}
.chip:hover{color:var(--text);background:var(--panel)}
.chip.active{color:#fff;background:var(--panel-2);border-color:#ffffff22}
.chip.playing{border-color:#7c5cff88;color:#e8e0ff}
.chip.playing::before{content:"♪";font-size:11px;color:var(--accent-2)}
.chip-n{font-size:10.5px;color:var(--dim-2);background:#ffffff12;border-radius:20px;padding:0 6px;line-height:15px}
.chip.add{color:var(--accent-2);border-style:dashed}
.chip.add:hover{background:#ff5fa218;border-color:#ff5fa266}

/* ---------- 歌单页头 ---------- */
.pl-head{display:flex;align-items:center;gap:14px;padding:6px 22px 12px;flex:none;flex-wrap:wrap}
.pl-head-info{display:flex;align-items:baseline;gap:10px;min-width:0}
.pl-head h2{font-size:17px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pl-count{font-size:12px;color:var(--dim-2);white-space:nowrap}
.pl-head-actions{display:flex;gap:7px;margin-left:auto;flex-wrap:wrap}
.btn.sm{height:32px;padding:0 12px;font-size:12.5px;border-radius:9px}
.btn.danger{color:#ff8497}
.btn.danger:hover{background:#ff6b8118;border-color:#ff6b8140}

/* ---------- 弹窗 ---------- */
.modal{position:fixed;inset:0;z-index:80;display:grid;place-items:center;background:#05050acc;
  backdrop-filter:blur(6px);padding:20px;animation:fade .18s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal-card{width:100%;max-width:400px;background:#15121f;border:1px solid var(--line);border-radius:18px;
  padding:20px;position:relative;box-shadow:0 24px 60px #000c}
.modal-card h3{font-size:16px;margin-bottom:5px}
.modal-sub{font-size:12px;color:var(--dim-2);margin-bottom:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.modal-x{position:absolute;top:12px;right:12px;width:28px;height:28px;border-radius:8px;color:var(--dim);font-size:13px}
.modal-x:hover{background:#ffffff14;color:#fff}
.pl-pick{display:flex;flex-direction:column;gap:6px;max-height:260px;overflow:auto;margin-bottom:14px}
.pl-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:11px;border:1px solid var(--line);
  background:var(--panel);text-align:left;transition:.15s}
.pl-item:hover{background:var(--panel-2);border-color:#7c5cff66}
.pl-item b{font-size:13.5px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pl-item span{font-size:11.5px;color:var(--dim-2);margin-left:auto;flex:none}
.pl-item .tick{color:var(--ok);font-size:12px}
.modal-new{display:flex;gap:8px}
.modal-new input{flex:1;min-width:0;height:38px;padding:0 12px;border-radius:10px;background:#0f0d18;
  border:1px solid var(--line);outline:0;font-size:13px}
.modal-new input:focus{border-color:#7c5cff88;box-shadow:0 0 0 3px #7c5cff22}

/* ---------- 在线听众 ---------- */
.modal-card.wide{max-width:460px}
.listeners{display:flex;flex-direction:column;gap:8px;max-height:min(56vh,420px);overflow:auto;margin-bottom:14px}
.listeners::-webkit-scrollbar{width:8px}
.listeners::-webkit-scrollbar-thumb{background:#ffffff1c;border-radius:8px}
.listeners-empty{color:var(--dim-2);font-size:13px;text-align:center;padding:26px 0}
.listener{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:12px;
  background:var(--panel);border:1px solid var(--line)}
.listener.me{background:linear-gradient(135deg,#7c5cff22,#ff5fa20f);border-color:#7c5cff55}
.listener.offline{opacity:.55}
.l-avatar{width:36px;height:36px;border-radius:10px;flex:none;display:grid;place-items:center;
  background:#ffffff10;color:#c9c4dd}
.l-avatar svg{width:19px;height:19px;fill:currentColor}
.listener.me .l-avatar{background:#7c5cff33;color:#d9cdff}
.l-main{min-width:0;flex:1}
.l-name{font-size:13.5px;font-weight:600;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.l-tag{font-size:10px;font-weight:700;color:#c9b8ff;background:#7c5cff33;border-radius:5px;padding:0 5px;line-height:15px}
.l-state{font-size:10.5px;font-weight:500;color:var(--dim-2);border:1px solid var(--line);border-radius:5px;
  padding:0 5px;line-height:15px}
.l-state.on{color:#8ff0d2;border-color:#2fd6a555;background:#2fd6a518}
.l-meta{font-size:11.5px;color:var(--dim);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.l-meta.dim{color:var(--dim-2)}
.l-side{flex:none;text-align:right}
.l-dur{font-size:11.5px;color:var(--dim-2);font-variant-numeric:tabular-nums;white-space:nowrap}
.listeners-me{display:flex;gap:8px;border-top:1px solid var(--line);padding-top:14px}
.listeners-me input{flex:1;min-width:0;height:38px;padding:0 12px;border-radius:10px;background:#0f0d18;
  border:1px solid var(--line);outline:0;font-size:13px}
.listeners-me input:focus{border-color:#7c5cff88;box-shadow:0 0 0 3px #7c5cff22}

.thead,.tr{display:grid;grid-template-columns:44px minmax(0,3fr) minmax(0,2fr) 62px 118px;
  gap:12px;align-items:center;padding:0 22px}
.thead{flex:none;height:32px;font-size:11.5px;color:var(--dim-2);text-transform:uppercase;letter-spacing:.7px;
  border-bottom:1px solid var(--line)}
.tracks{flex:1;overflow:auto;min-height:0;padding-bottom:16px}
.tracks::-webkit-scrollbar{width:9px}
.tracks::-webkit-scrollbar-thumb{background:#ffffff1c;border-radius:9px;border:2px solid transparent;background-clip:padding-box}
.tracks::-webkit-scrollbar-thumb:hover{background:#ffffff30;background-clip:padding-box}
.tr{height:58px;border-radius:12px;margin:2px 8px;padding:0 14px;cursor:pointer;transition:.15s;position:relative}
.tr:hover{background:var(--panel)}
.tr.active{background:linear-gradient(90deg,#7c5cff26,transparent 65%)}
.tr.dragging{opacity:.4}
.tr.drop-hint{box-shadow:inset 0 2px 0 #7c5cff}
.tracks.reorder .tr{cursor:grab}
.tr.active::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;
  background:linear-gradient(var(--accent),var(--accent-2))}
.col-i{display:grid;place-items:center;color:var(--dim-2);font-size:12px;font-variant-numeric:tabular-nums}
.tr.active .col-i .num{color:var(--accent-2);font-weight:700}
.eq{display:flex;gap:2px;align-items:flex-end;height:14px}
.eq i{width:2.5px;background:linear-gradient(var(--accent-2),var(--accent));border-radius:2px;animation:bar .9s ease-in-out infinite}
.eq i:nth-child(1){height:60%;animation-delay:-.3s}
.eq i:nth-child(2){height:100%;animation-delay:-.55s}
.eq i:nth-child(3){height:45%}
@keyframes bar{0%,100%{transform:scaleY(.45)}50%{transform:scaleY(1)}}
.tr.paused .eq i{animation-play-state:paused}
.tsong{min-width:0;display:flex;align-items:center;gap:11px}
.thumb{width:40px;height:40px;border-radius:9px;flex:none;position:relative;overflow:hidden;
  background:linear-gradient(135deg,#262043,#141220);display:grid;place-items:center}
.thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.thumb span{font-size:15px;color:#ffffff2e}
.tt{min-width:0}
.tt b{display:block;font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tt span{display:block;font-size:11.5px;color:var(--dim-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tr.active .tt b{color:#fff}
.col-a{font-size:12.5px;color:var(--dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.col-d{font-size:12.5px;color:var(--dim-2);font-variant-numeric:tabular-nums;text-align:right}
.col-x{display:flex;gap:2px;justify-content:flex-end;opacity:0;transition:.15s}
.tr:hover .col-x{opacity:1}
.xbtn{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;color:var(--dim)}
.xbtn:hover{background:#ffffff14;color:#fff}
.xbtn.del:hover{color:#ff6b81}
.xbtn.on{color:var(--accent-2);opacity:1}
.xbtn svg{width:15px;height:15px;fill:currentColor}

.empty{display:grid;place-items:center;text-align:center;padding:60px 24px;color:var(--dim)}
.empty-ico{margin-bottom:14px;opacity:.45}
.empty-ico svg{width:54px;height:54px;fill:currentColor}
.empty h3{font-size:15px;margin-bottom:8px;color:var(--text)}
.empty p{font-size:13px;line-height:1.9;max-width:420px}
.empty code{background:#ffffff10;padding:2px 6px;border-radius:6px;font-size:12px}

/* ---------- 播放器 ---------- */
.player{flex:none;border-top:1px solid var(--line);background:rgba(12,11,20,.82);backdrop-filter:blur(22px);
  padding:10px 22px 14px}
.prog-row{display:flex;align-items:center;gap:12px}
.time{font-size:11.5px;color:var(--dim-2);font-variant-numeric:tabular-nums;width:38px;flex:none}
.time:last-of-type{text-align:right}
.bar{position:relative;height:16px;display:flex;align-items:center;cursor:pointer;flex:1;touch-action:none}
.bar-bg{position:absolute;left:0;right:0;height:4px;border-radius:4px;background:#ffffff1a}
.bar-fill{position:absolute;left:0;height:4px;width:0;border-radius:4px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));pointer-events:none}
.bar-knob{position:absolute;left:0;width:11px;height:11px;border-radius:50%;background:#fff;margin-left:-5.5px;
  opacity:0;transition:opacity .15s;pointer-events:none;box-shadow:0 0 10px #ff5fa2aa}
.bar:hover .bar-knob,.bar.drag .bar-knob{opacity:1}
.bar:hover .bar-bg,.bar:hover .bar-fill{height:6px}
.ctrl-row{display:flex;align-items:center;justify-content:space-between;gap:18px}
.mini-now{display:flex;align-items:center;gap:10px;min-width:0;flex:1}
.mini-now img{width:38px;height:38px;border-radius:9px;object-fit:cover;flex:none}
.mini-text{min-width:0}
.mini-title{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mini-artist{font-size:11.5px;color:var(--dim-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.controls{display:flex;align-items:center;gap:6px;flex:none}
.cbtn{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:var(--dim);transition:.16s;position:relative}
.cbtn svg{width:19px;height:19px;fill:currentColor}
/* SVG 不支持 hidden 属性，用类切换图标 */
#ico-play,#ico-pause,#ico-vol,#ico-mute{display:none}
#btn-play:not(.playing) #ico-play{display:block}
#btn-play.playing #ico-pause{display:block}
#btn-mute.muted #ico-mute{display:block}
#btn-mute:not(.muted) #ico-vol{display:block}
.cbtn:hover{color:#fff;background:#ffffff12}
.cbtn.on{color:var(--accent-2)}
.cbtn.play{width:46px;height:46px;background:linear-gradient(135deg,var(--accent),#a94cff);color:#fff;
  box-shadow:0 6px 22px #7c5cff66}
.cbtn.play:hover{transform:scale(1.06)}
.cbtn.play svg{width:21px;height:21px}
.cbtn.small{width:32px;height:32px}
.cbtn.small svg{width:16px;height:16px}
.badge{position:absolute;top:0;right:0;font-size:9px;font-weight:700;background:var(--accent-2);color:#fff;
  border-radius:6px;padding:0 3.5px;line-height:13px;box-shadow:0 0 0 2px #0b0b12}
.right-ctl{display:flex;align-items:center;gap:6px;flex:1;justify-content:flex-end}
.bar.vol{flex:none;width:96px}

/* ---------- 加入同步收听提示 ---------- */
.join-pill{position:fixed;bottom:120px;left:50%;transform:translateX(-50%);z-index:65;
  display:flex;flex-direction:column;align-items:center;gap:5px;
  background:#15122299;border:1px solid #7c5cff66;border-radius:16px;padding:12px 18px;
  backdrop-filter:blur(16px);box-shadow:0 16px 40px #000a,0 0 0 1px #ffffff08;animation:joinIn .35s ease}
@keyframes joinIn{from{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%,0)}}
.join-pill button{display:flex;align-items:center;gap:8px;font-size:14.5px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--accent),#b14cff);padding:9px 18px;border-radius:11px;
  box-shadow:0 6px 20px #7c5cff55;transition:.18s}
.join-pill button:hover{transform:translateY(-1px)}
.join-ico{width:17px;height:17px;fill:currentColor;flex:none}
.join-sub{font-size:11.5px;color:var(--dim)}

/* ---------- 上传/提示 ---------- */
.dropzone{position:fixed;inset:0;z-index:60;display:none;place-items:center;font-size:22px;font-weight:700;
  background:#0a0a10dd;backdrop-filter:blur(6px);border:3px dashed #7c5cffaa;margin:14px;border-radius:22px;color:#cbb8ff}
.dropzone.show{display:grid}
.toast{position:fixed;bottom:114px;left:50%;transform:translate(-50%,16px);background:#1c1a2acc;border:1px solid var(--line);
  color:#fff;padding:10px 18px;border-radius:11px;font-size:13px;opacity:0;transition:.25s;pointer-events:none;z-index:70;
  backdrop-filter:blur(12px);box-shadow:0 10px 30px #0008}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- 响应式 ---------- */
@media (max-width:900px){
  .layout{grid-template-columns:1fr}
  .now-panel{display:none}
  .thead{display:none}
  .pl-bar{padding:0 14px 8px}
  .pl-head{padding:4px 14px 10px;gap:10px}
  .pl-head h2{font-size:15px}
  .pl-head-actions{width:100%;margin-left:0}
  .pl-head-actions .btn{flex:1;justify-content:center;padding:0 8px;font-size:12px}
  .tr{grid-template-columns:34px minmax(0,1fr) 48px 112px;height:62px;padding:0 10px;margin:2px 6px}
  .col-a{display:none}
  .col-x{opacity:1}
  .searchbox{order:3;max-width:none;flex-basis:100%}
  .topbar{padding:10px 14px;gap:10px}
  .btn.primary{padding:0 12px}
  .topbar .btn.ghost:not(.perf-btn){display:none}   /* 隐藏「刷新曲库」，保留「演奏」 */
  .player{padding:8px 12px 10px;padding-bottom:calc(10px + env(safe-area-inset-bottom))}
  .ctrl-row{gap:6px}
  .mini-now{flex:1;min-width:0}
  .presence{height:26px;padding:0 9px;font-size:11px}
  .join-pill{bottom:96px;padding:10px 14px;width:calc(100% - 28px);max-width:340px}
  .mini-now img{width:34px;height:34px}
  #btn-mute,.bar.vol{display:none}   /* 音量交给系统，随机/循环保留 */
  .controls{gap:2px;flex:none}
  .cbtn{width:36px;height:36px}
  .cbtn.play{width:44px;height:44px}
  .right-ctl{flex:none;gap:0}
  .prog-row{gap:8px}
  body{overflow:auto}
}

/* ================= 演奏面板 ================= */
.perf{position:fixed;inset:0;z-index:90;display:grid;place-items:center;padding:18px;
  background:#05050ad9;backdrop-filter:blur(10px);animation:fade .18s ease}
.perf-card{width:100%;max-width:1080px;background:#14111f;border:1px solid var(--line);border-radius:20px;
  padding:16px 18px 14px;box-shadow:0 30px 80px #000d;max-height:calc(100vh - 36px);overflow:auto}
.perf-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.perf-head h3{font-size:17px;font-weight:700}
.perf-status{font-size:12px;color:var(--dim);background:#ffffff0d;border:1px solid var(--line);
  border-radius:20px;padding:3px 10px}
.perf-connect{margin-left:auto;font-size:12.5px;font-weight:600;color:#cbb8ff;border:1px solid #7c5cff55;
  background:#7c5cff18;border-radius:9px;padding:6px 12px;transition:.15s}
.perf-connect:hover{background:#7c5cff2e}
.perf-connect.on{color:#8ff0d2;border-color:#2fd6a555;background:#2fd6a518}
.perf-close{width:32px;height:32px;border-radius:9px;color:var(--dim);font-size:14px}
.perf-close:hover{background:#ffffff14;color:#fff}

.perf-bar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:14px;
  padding:10px 12px;border-radius:12px;background:var(--panel);border:1px solid var(--line)}
.pf-field{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--dim)}
.pf-field select{background:#0f0d18;color:var(--text);border:1px solid var(--line);border-radius:8px;
  padding:6px 8px;font-size:12.5px;outline:0;max-width:190px}
.pf-field input[type=range]{width:110px;accent-color:var(--accent)}
.pf-toggle{font-size:12.5px;font-weight:600;color:var(--dim);border:1px solid var(--line);border-radius:8px;
  padding:6px 12px;transition:.15s}
.pf-toggle:hover{color:#fff;background:#ffffff12}
.pf-toggle.on{color:#d9cdff;border-color:#7c5cff77;background:#7c5cff2a}
.pf-oct{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--dim)}
.pf-oct button{width:26px;height:26px;border-radius:7px;border:1px solid var(--line);color:var(--dim);font-size:14px;line-height:1}
.pf-oct button:hover{color:#fff;background:#ffffff14}
.pf-oct span{min-width:28px;text-align:center;font-weight:600;color:var(--text)}
.pf-check{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--dim);cursor:pointer}
.pf-check input{accent-color:var(--accent)}

/* 钢琴键盘 */
.piano{position:relative;height:200px;margin-bottom:10px;user-select:none;touch-action:none}
.piano-whites{display:flex;height:100%;gap:2px}
.wkey{flex:1;position:relative;border-radius:0 0 8px 8px;
  background:linear-gradient(180deg,#fff,#e7e4f0);
  box-shadow:0 4px 0 #a9a3bd, inset 0 -8px 12px #00000012;
  transition:background .06s, transform .04s;cursor:pointer}
.wkey.on{background:linear-gradient(180deg,#cdbcff,#a58bff);transform:translateY(3px);box-shadow:0 1px 0 #6b53c9, inset 0 -8px 12px #00000018}
.wkey:hover{background:linear-gradient(180deg,#fff,#d9d4ea)}
.wkey.on:hover{background:linear-gradient(180deg,#cdbcff,#a58bff)}
.key-label{position:absolute;bottom:6px;left:50%;transform:translateX(-50%);font-size:10px;
  color:#8b86a0;pointer-events:none;font-weight:600}
.wkey.on .key-label{color:#4b3a8f}
.bkey{position:absolute;top:0;height:62%;transform:translateX(-50%);z-index:2;border-radius:0 0 6px 6px;
  background:linear-gradient(180deg,#2c2540,#100d18);
  box-shadow:0 4px 0 #000, inset 0 -4px 8px #ffffff1a;
  transition:background .06s, transform .04s;cursor:pointer}
.bkey.on{background:linear-gradient(180deg,#8e6dff,#5a3ce0);transform:translateX(-50%) translateY(3px)}
.bkey:hover{background:linear-gradient(180deg,#3a3152,#1a1526)}

.perf-hint{font-size:11.5px;color:var(--dim-2);line-height:1.9;margin-top:4px}
.perf-hint kbd{display:inline-block;min-width:17px;text-align:center;padding:1px 5px;margin:0 1px;
  border-radius:5px;background:#ffffff12;border:1px solid var(--line);font-family:inherit;font-size:11px;color:var(--dim)}

.perf-ff{margin:0 0 12px;padding:11px 13px;border-radius:11px;font-size:12px;line-height:1.75;
  color:#ffd9a8;background:#ff9f1c14;border:1px solid #ff9f1c40}
.perf-ff b{color:#ffc478}
.ff-ways{display:flex;flex-direction:column;gap:3px;margin-top:6px;color:#e6d3b8}
.ff-ways b{color:#fff}
.ff-ways code{background:#ffffff14;padding:1px 5px;border-radius:4px;font-size:11px;color:#ffd9a8}

/* 演奏时不要被全局快捷键干扰（app.js 里有判断） */
body.perf-open{overflow:hidden}

@media (max-width:900px){
  .perf{padding:10px}
  .perf-card{padding:12px;border-radius:16px}
  .piano{height:140px}
  .perf-bar{gap:10px;padding:9px 10px}
  .pf-field input[type=range]{width:80px}
  .topbar .btn.ghost:not(.perf-btn){display:none}
  .perf-btn span{display:none}
  .perf-btn{padding:0 11px}
  .perf-hint{font-size:10.5px}
}