/* ===== 声部工坊 StemLab · mobile-first styles ===== */
:root{
  --bg:#0b0d10;
  --bg-soft:#101319;
  --panel:#151a21;
  --panel-2:#1b222a;
  --line:#263039;
  --text:#e9edf3;
  --muted:#8d9aa8;
  --dim:#61707f;
  --accent:#ffb020;
  --accent-deep:#f08b12;
  --teal:#33d1b6;
  --violet:#9b8cff;
  --blue:#54a8ff;
  --danger:#ff5c6c;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:15px;line-height:1.5;
  overscroll-behavior-y:contain;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block}
button{font-family:inherit;color:inherit;background:none;border:none;cursor:pointer;font-size:inherit}
input,select{font-family:inherit;font-size:16px;color:var(--text);background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 12px;outline:none;width:100%}
input:focus,select:focus{border-color:var(--accent)}
input::placeholder{color:var(--dim)}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 15px) 50%,calc(100% - 10px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:30px}
code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;color:var(--teal);word-break:break-all}

.statusbar-pad{height:env(safe-area-inset-top,0)}
#app{max-width:560px;margin:0 auto;padding:0 16px 96px}
.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:30;
  display:flex;justify-content:space-around;align-items:center;
  max-width:560px;margin:0 auto;
  background:rgba(14,17,22,.92);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
  padding:8px 8px calc(8px + env(safe-area-inset-bottom,0));
}
.tab{display:flex;flex-direction:column;align-items:center;gap:3px;flex:1;padding:6px 0;color:var(--dim);text-decoration:none;border-radius:12px;transition:color .18s}
.tab span{font-size:11.5px;letter-spacing:.5px}
.tab.active{color:var(--accent)}

/* ===== topbar ===== */
.topbar{max-width:560px;margin:0 auto;padding:12px 16px 6px;display:flex;align-items:center;gap:10px;position:sticky;top:0;z-index:20;background:linear-gradient(var(--bg) 78%,rgba(11,13,16,0))}
.brand{display:flex;align-items:center;gap:9px;flex:1}
.brand-mark{width:26px;height:26px;border-radius:8px;background:linear-gradient(140deg,var(--accent),var(--accent-deep) 60%,#ff7043);position:relative;overflow:hidden}
.brand-mark::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,rgba(0,0,0,.32) 0 1px,transparent 1px 4px)}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:15.5px;letter-spacing:1.5px}
.brand-text span{font-size:10px;color:var(--dim);letter-spacing:2px;text-transform:uppercase}
.icon-btn{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;color:var(--muted);background:var(--panel);border:1px solid var(--line)}
.icon-btn:active{background:var(--panel-2)}

/* ===== views ===== */
.view{animation:fade .22s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.hero{padding:18px 0 14px}
.hero h1{font-size:26px;line-height:1.32;margin:0 0 10px;font-weight:700;letter-spacing:.5px}
.hero p{margin:0;color:var(--muted);font-size:13.5px}

.searchbar{display:flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:4px 12px;margin:8px 0 12px}
.searchbar:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,176,32,.12)}
.search-ico{color:var(--dim);flex:0 0 auto}
.searchbar input{border:none;background:none;padding:9px 0;font-size:15px}
.clear-btn{width:22px;height:22px;border-radius:50%;background:var(--panel-2);color:var(--muted);font-size:14px;line-height:1}

.chips{display:flex;gap:8px;overflow-x:auto;padding:2px 0 12px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;padding:7px 14px;border-radius:999px;background:var(--panel);border:1px solid var(--line);color:var(--muted);font-size:13px;white-space:nowrap}
.chip.active{background:rgba(255,176,32,.14);border-color:rgba(255,176,32,.5);color:var(--accent)}

.section-head{display:flex;align-items:center;gap:10px;margin:20px 0 10px}
.section-head h2{font-size:14px;margin:0;letter-spacing:1px;color:var(--muted);font-weight:600}
.section-head .count{font-size:12px;color:var(--dim);margin-left:auto}
.section-head .mini-btn{margin-left:auto}

/* ===== song list ===== */
.song-list{display:flex;flex-direction:column;gap:10px}
.song-card{display:flex;gap:12px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);padding:12px;transition:transform .12s,border-color .12s}
.song-card:active{transform:scale(.985);border-color:rgba(255,176,32,.45)}
.cover{width:52px;height:52px;border-radius:12px;flex:0 0 auto;position:relative;overflow:hidden}
.cover::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(255,255,255,.13) 0 2px,transparent 2px 7px);mix-blend-mode:overlay}
.sc-main{flex:1;min-width:0}
.sc-title{font-size:15.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sc-sub{font-size:12px;color:var(--dim);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sc-tags{display:flex;gap:6px;margin-top:6px;flex-wrap:wrap}
.tag{font-size:10.5px;padding:2px 7px;border-radius:6px;background:rgba(255,255,255,.05);color:var(--muted)}
.tag.hot{background:rgba(255,176,32,.14);color:var(--accent)}
.sc-go{width:30px;height:30px;border-radius:50%;background:var(--panel-2);display:grid;place-items:center;color:var(--accent);flex:0 0 auto}

.feature-card{display:flex;gap:12px;align-items:center;background:linear-gradient(120deg,rgba(51,209,182,.12),rgba(21,26,33,.9));border:1px solid rgba(51,209,182,.28);border-radius:var(--r-md);padding:14px}
.fc-icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:rgba(51,209,182,.16);color:var(--teal);flex:0 0 auto}
.fc-text{display:flex;flex-direction:column;gap:3px;min-width:0}
.fc-text strong{font-size:14px}
.fc-text span{font-size:11.5px;color:var(--muted);line-height:1.4}

/* ===== song hero ===== */
.song-hero{display:flex;gap:14px;padding:14px 0 16px}
.hero-cover{width:78px;height:78px;border-radius:16px;flex:0 0 auto;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.hero-cover::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(120deg,rgba(255,255,255,.16) 0 2px,transparent 2px 8px);mix-blend-mode:overlay}
.hero-info{min-width:0;display:flex;flex-direction:column;justify-content:center;gap:5px}
.hero-info h2{margin:0;font-size:20px;line-height:1.25}
.hero-meta{font-size:12px;color:var(--muted)}
.hero-tags{display:flex;gap:6px;flex-wrap:wrap}

/* ===== transport ===== */
.transport{display:flex;gap:14px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:14px}
.play-btn{width:56px;height:56px;flex:0 0 auto;border-radius:50%;background:linear-gradient(150deg,var(--accent),var(--accent-deep));color:#1a1200;display:grid;place-items:center;box-shadow:0 6px 18px rgba(240,139,18,.35)}
.play-btn.playing{background:var(--panel-2);color:var(--accent);box-shadow:none;border:1px solid rgba(255,176,32,.4)}
.transport-mid{flex:1;min-width:0}
.time-row{display:flex;justify-content:space-between;font-size:11.5px;color:var(--dim);font-variant-numeric:tabular-nums}
.seek{width:100%;-webkit-appearance:none;appearance:none;height:22px;background:transparent;padding:0;border:none;margin:2px 0}
.seek::-webkit-slider-runnable-track{height:4px;border-radius:2px;background:linear-gradient(90deg,var(--accent) var(--p,0%),#2a333d var(--p,0%))}
.seek::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);margin-top:-5px;box-shadow:0 0 0 4px rgba(255,176,32,.15)}
.seek::-moz-range-track{height:4px;border-radius:2px;background:#2a333d}
.seek::-moz-range-thumb{width:14px;height:14px;border:none;border-radius:50%;background:var(--accent)}
.transport-sub{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--dim);margin-top:2px}

/* ===== mixer ===== */
.mixer{display:flex;flex-direction:column;gap:10px}
.mix{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);padding:11px 12px;position:relative;overflow:hidden;transition:opacity .18s,border-color .18s}
.mix.soloed{border-color:rgba(255,176,32,.6)}
.mix.dimmed{opacity:.42}
.mix-top{display:flex;align-items:center;gap:8px}
.mix-dot{width:8px;height:8px;border-radius:50%;flex:0 0 auto}
.mix-name{font-size:14px;font-weight:600;flex:1}
.mix-role{font-size:10.5px;color:var(--dim);padding:1px 6px;border-radius:5px;background:rgba(255,255,255,.05)}
.mix-wave{width:100%;height:32px;margin:8px 0 6px;display:block}
.mix-ctl{display:flex;align-items:center;gap:8px}
.tg{width:26px;height:26px;border-radius:8px;border:1px solid var(--line);background:var(--panel-2);font-size:11px;color:var(--muted);display:grid;place-items:center;flex:0 0 auto}
.tg.on-solo{background:rgba(255,176,32,.18);border-color:var(--accent);color:var(--accent)}
.tg.on-mute{background:rgba(255,92,108,.18);border-color:var(--danger);color:var(--danger)}
.vol{flex:1;height:22px;-webkit-appearance:none;appearance:none;background:transparent;padding:0;border:none}
.vol::-webkit-slider-runnable-track{height:4px;border-radius:2px;background:linear-gradient(90deg,var(--c,#33d1b6) var(--p,100%),#242c35 var(--p,100%))}
.vol::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:#fff;margin-top:-5px}
.vol::-moz-range-thumb{width:14px;height:14px;border:none;border-radius:50%;background:#fff}
.vol-val{width:28px;text-align:right;font-size:11px;color:var(--dim);flex:0 0 auto}
.mix-hint{color:var(--dim);font-size:11px;text-align:center;padding:8px 0 0}

.action-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0 0}
.action-btn{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);padding:12px 10px;display:flex;flex-direction:column;align-items:center;gap:5px;text-align:center}
.action-btn:active{background:var(--panel-2)}
.ab-ico{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:15px;background:rgba(255,176,32,.14);color:var(--accent)}
.action-btn strong{font-size:13.5px}
.action-btn small{font-size:10.5px;color:var(--dim);line-height:1.3}

/* ===== generic ===== */
.page-head{display:flex;align-items:flex-start;gap:10px;padding:16px 0 12px}
.page-head h2{font-size:19px;margin:0}
.page-head p{font-size:12px;color:var(--dim);margin:3px 0 0}
.page-head > div{flex:1;min-width:0}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);padding:14px}
.mini-btn{padding:6px 11px;border-radius:9px;background:var(--panel-2);border:1px solid var(--line);color:var(--muted);font-size:12px;flex:0 0 auto}
.mini-btn.primary{background:rgba(255,176,32,.16);border-color:rgba(255,176,32,.5);color:var(--accent)}
.mini-btn:active{opacity:.7}
.btn{padding:11px 14px;border-radius:11px;background:var(--panel-2);border:1px solid var(--line);font-size:13.5px;color:var(--text);flex:1}
.btn.primary{background:linear-gradient(150deg,var(--accent),var(--accent-deep));border-color:transparent;color:#1a1200;font-weight:600}
.btn.danger{color:var(--danger);border-color:rgba(255,92,108,.35)}
.btn:disabled{opacity:.4}
.btn:active:not(:disabled){transform:scale(.985)}
.btn-row{display:flex;gap:10px;margin-top:12px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0;flex:1}
.field > span{font-size:11.5px;color:var(--dim);letter-spacing:.5px}
.field.btns{justify-content:flex-end;gap:8px}
.field.btns{flex-direction:row}
.row2{display:flex;gap:10px;margin-bottom:10px}
.tiny{font-size:11px;color:var(--dim);line-height:1.55;margin:8px 0 0}
.spacer{flex:1}

.tabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:10px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab-btn{flex:0 0 auto;padding:8px 13px;border-radius:10px;background:var(--panel);border:1px solid var(--line);font-size:13px;color:var(--muted);display:flex;align-items:center;gap:6px}
.tab-btn.active{background:rgba(255,176,32,.13);border-color:rgba(255,176,32,.55);color:var(--accent)}
.tab-btn .td{width:7px;height:7px;border-radius:50%}

.score-toolbar{display:flex;align-items:center;gap:8px;margin:4px 0 10px}
.note-type{font-size:11.5px;color:var(--dim);padding:5px 9px;border-radius:8px;background:var(--panel);border:1px solid var(--line)}
.score-box{background:#f6f4ef;border-radius:var(--r-md);padding:12px 6px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.score-legend{font-size:11px;color:var(--dim);padding:8px 2px 0;line-height:1.6}
.score-legend-box{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);padding:12px 14px;font-size:12px;color:var(--muted);line-height:1.7}
.roll-box{background:#12161c;border:1px solid var(--line);border-radius:var(--r-md);overflow-x:auto;-webkit-overflow-scrolling:touch;padding:2px}
.jp-wrap{padding:8px 10px 4px}
.jp-row{display:flex;align-items:flex-start;border-bottom:1px dashed #cfc9bd;padding:4px 0}
.jp-row:last-child{border-bottom:none}
.jp-no{width:26px;flex:0 0 auto;font-size:10px;color:#b0a89a;padding-top:6px;text-align:left}
.jp-bars{display:flex;flex:1;min-width:0}
.jp-bar{position:relative;flex:1;height:50px;border-left:1px solid #d9d3c7;min-width:0}
.jp-bar:last-child{border-right:1px solid #d9d3c7}
.jp-bar.jp-live{background:rgba(214,158,49,.10)}
.jp-note{position:absolute;top:3px;display:inline-flex;flex-direction:column;align-items:center;line-height:1;transform:translateX(-2px);white-space:nowrap}
.jp-oct{height:9px;line-height:9px;display:block;font-size:8px;opacity:.75;letter-spacing:1px}
.jp-body{display:flex;align-items:flex-end}
.jp-digit{display:block;font-size:16px;font-weight:500;padding:0 2px;line-height:1.1}
.jp-acc{font-size:11px;opacity:.8}
.jp-dash{display:inline-block;font-size:14px;line-height:1.05;margin-left:1px;opacity:.65}
.jp-note.dim{color:#b9b1a4;font-weight:400}
.drum-grid{width:100%;border-collapse:collapse;font-size:11px}
.drum-grid td,.drum-grid th{border-bottom:1px solid #d7d1c5;padding:3px 0;text-align:center;color:#1e1b16}
.drum-grid th{font-size:10.5px;color:#6a6357;font-weight:500;white-space:nowrap}
.drum-grid th:first-child{min-width:56px;text-align:left;padding-left:8px;position:sticky;left:0;background:#f6f4ef;z-index:2}
.drum-grid .hit{color:#c0392b;font-weight:700}
.drum-grid .bar-sep{border-left:2px solid #b3ab9c}

/* editor */
.editor-controls{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.dur-row{display:flex;gap:8px;margin:14px 0 4px}
.dur{flex:1;padding:9px 0;border-radius:10px;background:var(--panel);border:1px solid var(--line);font-size:13px;color:var(--muted)}
.dur.active{background:rgba(51,209,182,.15);border-color:var(--teal);color:var(--teal)}
.editor-hint{font-size:11px;color:var(--dim);margin:6px 0 8px}
.grid-wrap{overflow:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--r-md);background:var(--panel);max-height:52vh}
.grid-inner{position:relative}
.grid-cell{position:absolute;border-right:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}
.grid-cell.beat{background:rgba(255,255,255,.035)}
.grid-note{position:absolute;background:var(--accent);border-radius:4px;box-shadow:0 0 8px rgba(255,176,32,.45);pointer-events:none}
.grid-keys{position:sticky;left:0;background:var(--panel-2);z-index:2}
.grid-key{position:absolute;left:0;font-size:10.5px;color:var(--dim);display:flex;align-items:center;padding-left:6px;border-bottom:1px solid rgba(255,255,255,.05)}

/* jam */
.conn-badge{font-size:11px;padding:4px 9px;border-radius:8px;background:rgba(255,255,255,.06);color:var(--dim);flex:0 0 auto}
.conn-badge.on{background:rgba(51,209,182,.16);color:var(--teal)}
.jam-mode{display:flex;align-items:center;gap:10px;margin:6px 0}
.jam-mode > span{font-size:11.5px;color:var(--dim);flex:0 0 auto}
.segmented{display:flex;flex:1;background:var(--panel-2);border:1px solid var(--line);border-radius:9px;padding:3px;gap:3px}
.segmented button{flex:1;padding:6px 0;border-radius:7px;font-size:12px;color:var(--muted)}
.segmented button.active{background:rgba(255,176,32,.16);color:var(--accent)}
.member-list{display:flex;flex-direction:column;gap:8px}
.member{display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:10px 12px}
.member .avatar{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:12px;background:rgba(155,140,255,.16);color:var(--violet);flex:0 0 auto}
.member .m-name{font-size:13.5px;font-weight:600}
.member .m-inst{font-size:11px;color:var(--dim)}
.member .m-state{margin-left:auto;font-size:11px;color:var(--teal)}
.jam-status{font-size:12px;color:var(--muted);line-height:1.6;margin-top:10px;padding:9px 11px;border-radius:10px;background:rgba(255,255,255,.04)}
.jam-log{height:150px;overflow-y:auto;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);padding:10px;font-size:12px;color:var(--muted);line-height:1.7}
.jam-log .sys{color:var(--dim)}
.jam-log .me{color:var(--teal)}
.chat-row{display:flex;gap:8px;margin-top:8px}
.chat-row input{flex:1}

/* my */
.my-scores{display:flex;flex-direction:column;gap:8px}
.my-score{display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:10px 12px}
.my-score .ms-info{flex:1;min-width:0}
.my-score .ms-t{font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.my-score .ms-s{font-size:11px;color:var(--dim)}
.ms-del{width:28px;height:28px;border-radius:8px;background:var(--panel-2);color:var(--danger);display:grid;place-items:center;flex:0 0 auto}
.about p{font-size:12.5px;color:var(--muted);line-height:1.7;margin:0 0 8px}

/* toast / sheet / loading */
.toast{position:fixed;left:50%;bottom:92px;transform:translateX(-50%) translateY(10px);background:rgba(30,36,44,.97);border:1px solid var(--line);color:var(--text);padding:10px 16px;border-radius:12px;font-size:13px;z-index:60;opacity:0;transition:opacity .2s,transform .2s;max-width:88vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%)}
.sheet-wrap{position:fixed;inset:0;z-index:70;display:flex;align-items:flex-end}
.sheet-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.6);animation:fade .2s}
.sheet{position:relative;width:100%;max-width:560px;margin:0 auto;background:var(--bg-soft);border-radius:20px 20px 0 0;padding:18px 18px calc(24px + env(safe-area-inset-bottom,0));max-height:84vh;overflow-y:auto;animation:slideUp .26s cubic-bezier(.2,.8,.2,1)}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:none}}
.sheet h3{margin:0 0 4px;font-size:17px}
.sheet p{font-size:12.5px;color:var(--muted);line-height:1.7;margin:6px 0 12px}
.loading{position:fixed;inset:0;z-index:80;background:rgba(6,8,11,.72);backdrop-filter:blur(4px);display:grid;place-items:center;gap:14px;align-content:center}
.spinner{width:34px;height:34px;border-radius:50%;border:3px solid rgba(255,176,32,.2);border-top-color:var(--accent);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-text{font-size:13px;color:var(--muted)}

@media (min-width:600px){
  .hero h1{font-size:30px}
  .action-grid{gap:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

/* ================= 在线搜歌 ================= */
.src-seg{display:flex;gap:5px;margin:14px 0 10px;padding:4px;background:var(--panel-2);border:1px solid var(--line);border-radius:13px}
.src-seg button{flex:1;padding:9px 0;border:0;border-radius:9px;background:transparent;color:var(--dim);font-size:13px;font-weight:500;cursor:pointer}
.src-seg button.active{background:linear-gradient(180deg,#ffbe3d,#f0a015);color:#1a1206;font-weight:700}
.online-tip{font-size:11.5px;line-height:1.7;color:var(--dim);background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:9px 11px;margin-bottom:10px}
.online-tip strong{color:var(--amber)}
.online-card{display:flex;gap:10px;align-items:flex-start;padding:10px;border:1px solid var(--line);border-radius:14px;background:var(--panel);margin-bottom:9px}
.oc-cover{width:54px;height:54px;border-radius:10px;object-fit:cover;background:#1b222b;flex:0 0 auto}
.oc-main{flex:1;min-width:0}
.oc-title{font-size:14px;font-weight:600;color:#eef2f7;line-height:1.35;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.oc-sub{font-size:11.5px;color:var(--dim);margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.oc-actions{display:flex;gap:6px;margin-top:7px}
.oc-actions .mini-btn{flex:1;font-size:11.5px}
.online-empty{padding:22px 12px;text-align:center;font-size:12.5px;color:var(--dim);line-height:1.8}

/* ================= 谱型切换 ================= */
.view-seg{display:flex;gap:5px;margin:10px 0 8px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
.view-seg::-webkit-scrollbar{display:none}
.view-seg button{flex:0 0 auto;padding:7px 13px;border:1px solid var(--line);border-radius:20px;background:var(--panel);color:var(--dim);font-size:12px;cursor:pointer}
.view-seg button.active{background:rgba(255,176,32,.16);border-color:rgba(255,176,32,.55);color:#ffc65c;font-weight:600}
.pat-seg{display:flex;gap:5px;margin:0 0 8px;overflow-x:auto;scrollbar-width:none}
.pat-seg::-webkit-scrollbar{display:none}
.pat-seg button{flex:0 0 auto;padding:6px 11px;border:1px solid var(--line);border-radius:18px;background:var(--panel);color:var(--dim);font-size:11.5px;cursor:pointer}
.pat-seg button.active{background:rgba(51,209,182,.15);border-color:rgba(51,209,182,.5);color:#7ee6cf;font-weight:600}

/* ================= 和弦谱 ================= */
.ch-wrap{padding:10px 9px;background:#f6f4ef;color:#1e1b16}
.ch-est-note{font-size:11px;line-height:1.6;color:#7a6a4d;background:#f1e6cc;border-radius:8px;padding:7px 9px;margin-bottom:10px}
.ch-row{display:flex;gap:6px;margin-bottom:7px}
.ch-cell{flex:1;min-width:0;border:1px solid #ddd7c9;border-radius:9px;padding:12px 3px 5px;text-align:center;position:relative;background:#faf8f3}
.ch-cell.empty{border-style:dashed;background:transparent}
.ch-no{position:absolute;left:4px;top:2px;font-size:8.5px;color:#b0a89a}
.ch-name{display:block;font-size:15px;font-weight:700;color:#1e1b16;line-height:1.2}
.ch-deg{display:block;font-size:9px;color:#9a8f7c;letter-spacing:.6px;margin-top:1px}
.ch-tones{display:block;font-size:9px;color:#6a6357;letter-spacing:.3px;margin-top:2px}
.chord-dia{display:block;margin:3px auto 0}
.tl-wrap{display:flex;gap:3px;overflow-x:auto;padding:4px 2px}
.tl-seg{flex:0 0 auto;min-width:36px;background:#eaE3d2;border-radius:7px;padding:5px 4px;text-align:center;color:#2a251c}
.tl-name{display:block;font-size:12px;font-weight:700}
.tl-time{display:block;font-size:8.5px;color:#8a7f6d}

/* ================= 六线谱 ================= */
.tab-wrap{padding:9px 8px;background:#f6f4ef;color:#1e1b16;overflow-x:auto}
.tab-head{display:flex;flex-direction:column;gap:3px;margin-bottom:7px;min-width:0}
.tab-pat{font-size:13.5px;font-weight:700;color:#1e1b16}
.tab-head .tiny{color:#6a6357;font-size:10.5px;line-height:1.55}
.tab-svg{display:block}