/* ===== Cajon Design Tokens ===== */
:root{
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  --font-num: "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --r-sm:10px; --r-md:14px; --r-lg:20px; --r-xl:28px;
  --amber:#F59E0B; --amber-2:#FBBF24; --amber-3:#D97706;
  --c-B:#FACC15; --c-S:#22C55E; --c-g:#FB923C; --c-T:#60A5FA;
  --on-B:#1A1400; --on-S:#04210F; --on-T:#03162E;
  --ease: cubic-bezier(.2,.8,.2,1);
  --safe-t: env(safe-area-inset-top,0px); --safe-b: env(safe-area-inset-bottom,0px);
}
:root, [data-theme="dark"]{
  --bg:#0B0B0D; --surface:#151518; --surface-2:#1E1E23; --surface-3:#2A2A31;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.14);
  --text:#F5F5F7; --text-2:#A1A1AA; --text-3:#85858F;
  --accent:var(--amber); --on-accent:#1A1205;
  --shadow:0 8px 30px rgba(0,0,0,.35);
  --glass:rgba(21,21,24,.78);
  color-scheme:dark;
}
[data-theme="light"]{
  --bg:#F4F4F6; --surface:#FFFFFF; --surface-2:#F0F0F3; --surface-3:#E4E4E9;
  --line:rgba(0,0,0,.07); --line-2:rgba(0,0,0,.12);
  --text:#1D1D1F; --text-2:#6E6E73; --text-3:#76767C;
  --accent:#E08A00; --on-accent:#1A1205;
  --c-B:#EAB308; --c-S:#16A34A; --c-g:#C2410C; --c-T:#3B82F6;
  --shadow:0 8px 30px rgba(0,0,0,.08);
  --glass:rgba(255,255,255,.8);
  color-scheme:light;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.45}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;padding:0}
input,select{font:inherit;color:inherit}
a{color:var(--accent);text-decoration:none}
svg{display:block}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ===== Layout ===== */
.app{display:flex;min-height:100%}
.side{display:none}
.main{flex:1;min-width:0;padding:calc(var(--safe-t) + 12px) 16px calc(var(--safe-b) + 96px)}
.view{max-width:1080px;margin:0 auto;animation:fade .25s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:40;display:flex;justify-content:space-around;padding:6px 8px calc(var(--safe-b) + 6px);background:var(--glass);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-top:1px solid var(--line)}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 0;font-size:11px;color:var(--text-3);font-weight:500;transition:color .2s}
.tab svg{width:26px;height:26px}
.tab.on{color:var(--accent)}

@media (min-width:900px){
  .tabbar{display:none}
  .side{display:flex;flex-direction:column;gap:4px;width:232px;flex-shrink:0;position:sticky;top:0;height:100vh;padding:24px 14px;border-right:1px solid var(--line);background:var(--surface)}
  .side .brand{display:flex;align-items:center;gap:10px;padding:4px 10px 22px}
  .side .brand img{width:36px;height:36px;border-radius:9px}
  .side .brand b{font-size:19px;letter-spacing:-.02em}
  .side .brand small{display:block;font-size:11px;color:var(--text-3);font-weight:500;margin-top:-2px}
  .side .tab{flex:none;flex-direction:row;gap:12px;padding:10px 12px;border-radius:var(--r-sm);font-size:15px;color:var(--text-2)}
  .side .tab svg{width:22px;height:22px}
  .side .tab:hover{background:var(--surface-2)}
  .side .tab.on{background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent)}
  .side .foot{margin-top:auto;font-size:12px;color:var(--text-3);padding:0 12px}
  .main{padding:32px 40px 48px}
}

/* ===== Common ===== */
.hd{display:flex;align-items:center;gap:12px;margin:4px 0 18px;min-height:44px}
.hd h1{font-size:32px;line-height:1.1;margin:0;letter-spacing:-.025em;font-weight:800}
.hd .sub{color:var(--text-2);font-size:14px;margin-top:2px}
.hd .grow{flex:1;min-width:0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px}
.section-t{font-size:13px;font-weight:600;color:var(--text-2);text-transform:uppercase;letter-spacing:.04em;margin:26px 4px 10px}
.row{display:flex;align-items:center;gap:10px}
.icon-btn{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--surface-2);color:var(--text);transition:transform .15s,background .2s;flex-shrink:0}
.icon-btn:active{transform:scale(.92)}
.icon-btn svg{width:22px;height:22px}
.icon-btn.ghost{background:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 18px;border-radius:999px;background:var(--surface-2);font-weight:600;font-size:15px;transition:transform .15s,background .2s;white-space:nowrap}
.btn:active{transform:scale(.96)}
.btn.primary{background:var(--accent);color:var(--on-accent)}
.btn.sm{height:34px;padding:0 14px;font-size:14px}
.btn svg{width:18px;height:18px}
.chip{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 14px;border-radius:999px;background:var(--surface-2);color:var(--text-2);font-size:14px;font-weight:500;white-space:nowrap;transition:all .2s;border:1px solid transparent}
.chip.on{background:var(--text);color:var(--bg)}
.chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px 0 4px;margin:0 -16px;padding-left:16px;padding-right:16px}
.chips::-webkit-scrollbar{display:none}
@media(min-width:900px){.chips{flex-wrap:wrap;margin:0;padding:2px 0}}
.seg{display:flex;background:var(--surface-2);border-radius:12px;padding:3px;gap:2px}
.seg button{flex:1;height:34px;border-radius:9px;font-size:14px;font-weight:600;color:var(--text-2);transition:all .2s;padding:0 8px;white-space:nowrap}
.seg button.on{background:var(--surface);color:var(--text);box-shadow:0 1px 4px rgba(0,0,0,.15)}
[data-theme="dark"] .seg button.on{background:var(--surface-3)}
.switch{position:relative;width:51px;height:31px;border-radius:999px;background:var(--surface-3);transition:background .25s;flex-shrink:0}
.switch::after{content:"";position:absolute;top:2px;left:2px;width:27px;height:27px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.25);transition:transform .25s var(--ease)}
.switch.on{background:#34C759}
.switch.on::after{transform:translateX(20px)}
.list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.li{display:flex;align-items:center;gap:12px;padding:12px 16px;min-height:52px;border-bottom:1px solid var(--line)}
.li:last-child{border-bottom:0}
.li .lbl{flex:1;min-width:0}
.li .lbl small{display:block;color:var(--text-2);font-size:13px}
.li .val{color:var(--text-2);font-size:15px}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:30px;background:transparent;margin:0}
input[type=range]::-webkit-slider-runnable-track{height:6px;border-radius:3px;background:linear-gradient(to right,var(--accent) var(--p,50%),var(--surface-3) var(--p,50%))}
input[type=range]::-moz-range-track{height:6px;border-radius:3px;background:var(--surface-3)}
input[type=range]::-moz-range-progress{height:6px;border-radius:3px;background:var(--accent)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;background:#fff;margin-top:-10px;box-shadow:0 2px 8px rgba(0,0,0,.3),0 0 0 .5px rgba(0,0,0,.1)}
input[type=range]::-moz-range-thumb{width:26px;height:26px;border-radius:50%;background:#fff;border:0;box-shadow:0 2px 8px rgba(0,0,0,.3)}
.input{width:100%;height:44px;border-radius:12px;border:1px solid var(--line-2);background:var(--surface-2);padding:0 14px;outline:none;transition:border .2s}
.input:focus{border-color:var(--accent)}
.stepper{display:flex;align-items:center;background:var(--surface-2);border-radius:10px}
.stepper button{width:36px;height:34px;font-size:20px;color:var(--text-2)}
.stepper span{min-width:40px;text-align:center;font-weight:600}
.lv{display:inline-flex;gap:3px;vertical-align:middle}
.lv i{width:6px;height:6px;border-radius:50%;background:var(--surface-3)}
.lv i.f{background:var(--accent)}
.empty{text-align:center;color:var(--text-2);padding:40px 16px}
.toast{position:fixed;left:50%;bottom:calc(var(--safe-b) + 92px);transform:translate(-50%,20px);background:var(--text);color:var(--bg);padding:10px 18px;border-radius:999px;font-size:14px;font-weight:600;opacity:0;pointer-events:none;transition:all .3s var(--ease);z-index:100;white-space:nowrap}
.toast.show{opacity:1;transform:translate(-50%,0)}
@media(min-width:900px){.toast{bottom:32px}}

/* ===== Sheet (bottom modal) ===== */
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:80;opacity:0;transition:opacity .25s;display:flex;align-items:flex-end;justify-content:center}
.scrim.show{opacity:1}
.sheet{width:100%;max-width:520px;background:var(--surface);border-radius:24px 24px 0 0;padding:10px 20px calc(var(--safe-b) + 20px);transform:translateY(100%);transition:transform .32s var(--ease);max-height:85vh;overflow:auto}
.scrim.show .sheet{transform:none}
.sheet .grab{width:36px;height:5px;border-radius:3px;background:var(--surface-3);margin:0 auto 14px}
.sheet h3{margin:0 0 14px;font-size:20px;text-align:center}
@media(min-width:900px){.scrim{align-items:center}.sheet{border-radius:24px;transform:scale(.95)}}
.grid-btns{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.grid-btns button{height:56px;border-radius:14px;background:var(--surface-2);font-weight:700;font-size:18px;transition:all .15s}
.grid-btns button.on{background:var(--accent);color:var(--on-accent)}
.grid-btns button small{display:block;font-size:11px;font-weight:500;opacity:.7}

/* ===== Metronome ===== */
.metro{display:grid;gap:16px;grid-template-columns:minmax(0,1fr)}
@media(min-width:900px){.metro{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);align-items:start}}
.dial-card{padding:22px 16px 20px;text-align:center;position:relative;overflow:hidden}
.tempo-name{font-size:14px;color:var(--text-2);font-weight:600;letter-spacing:.02em;height:20px}
.bpm-row{display:flex;align-items:center;justify-content:center;gap:10px;margin:4px 0 6px}
.bpm-big{font-size:clamp(80px,24vw,112px);line-height:1;font-weight:800;letter-spacing:-.05em;min-width:3.2ch}
.bpm-unit{font-size:13px;color:var(--text-3);font-weight:700;letter-spacing:.15em;margin-top:-4px}
.round-btn{width:56px;height:56px;border-radius:50%;background:var(--surface-2);display:grid;place-items:center;transition:transform .12s;user-select:none;touch-action:manipulation}
.round-btn:active{transform:scale(.9);background:var(--surface-3)}
.round-btn svg{width:26px;height:26px}
.beats{display:flex;justify-content:center;gap:8px;margin:22px 0 6px;flex-wrap:wrap}
.beat{width:clamp(30px,9vw,46px);height:64px;border-radius:12px;background:var(--surface-2);position:relative;overflow:hidden;transition:transform .08s;display:flex;align-items:flex-end}
.beat .fill{width:100%;background:color-mix(in srgb,var(--accent) 55%,transparent);transition:height .2s var(--ease),background .08s;border-radius:0}
.beat[data-l="3"] .fill{height:100%}
.beat[data-l="2"] .fill{height:62%}
.beat[data-l="1"] .fill{height:30%}
.beat[data-l="0"] .fill{height:0}
.beat[data-l="0"]{outline:1.5px dashed var(--line-2);outline-offset:-1.5px;background:transparent}
.beat.hit{transform:scale(1.08)}
.beat.hit .fill{background:var(--accent)}
.beat .n{position:absolute;top:6px;left:0;right:0;font-size:12px;font-weight:700;color:var(--text-2)}
.beat-hint{font-size:12px;color:var(--text-3)}
.play-xl{width:84px;height:84px;border-radius:50%;background:var(--accent);color:var(--on-accent);display:grid;place-items:center;margin:18px auto 4px;box-shadow:0 10px 30px color-mix(in srgb,var(--accent) 40%,transparent);transition:transform .15s}
.play-xl:active{transform:scale(.92)}
.play-xl svg{width:36px;height:36px}
.pulse{position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 50% 40%,color-mix(in srgb,var(--accent) 22%,transparent),transparent 60%);opacity:0;transition:opacity .25s}
.pulse.on{opacity:1;transition:none}
.ctrl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.ctrl{background:var(--surface-2);border-radius:var(--r-md);padding:10px 8px;text-align:center;transition:transform .12s}
.ctrl:active{transform:scale(.96)}
.ctrl small{display:block;font-size:11px;color:var(--text-3);font-weight:600;letter-spacing:.04em}
.ctrl b{font-size:18px;display:block;margin-top:2px}
.tap-btn{width:100%;height:56px;border-radius:var(--r-md);background:var(--surface-2);font-weight:700;font-size:16px;letter-spacing:.1em;margin-top:10px;transition:all .1s}
.tap-btn:active{background:var(--accent);color:var(--on-accent);transform:scale(.98)}

/* ===== Library ===== */
.search{position:relative;margin-bottom:12px}
.search svg{position:absolute;left:12px;top:12px;width:20px;height:20px;color:var(--text-3)}
.search input{padding-left:40px}
.gl{display:grid;gap:12px;grid-template-columns:1fr;margin-top:8px}
@media(min-width:640px){.gl{grid-template-columns:1fr 1fr}}
@media(min-width:1200px){.gl{grid-template-columns:1fr 1fr 1fr}}
.gc{display:block;text-align:left;width:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:14px 16px;transition:transform .15s,border-color .2s}
.gc:hover{border-color:var(--line-2)}
.gc:active{transform:scale(.98)}
.gc .t{display:flex;align-items:center;gap:8px}
.gc .t b{font-size:17px;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.gc .meta{font-size:13px;color:var(--text-2);margin-top:2px;display:flex;gap:8px;align-items:center}
.gc .star{color:var(--amber);width:18px;height:18px}
.mini{display:flex;gap:2px;margin-top:12px;height:18px;align-items:flex-end}
.mini i{flex:1;border-radius:2px;background:var(--surface-3);height:4px}
.mini i.B{background:var(--c-B);height:18px}
.mini i.S{background:var(--c-S);height:14px}
.mini i.T{background:var(--c-T);height:11px}
.mini i.s{background:var(--c-g);height:7px;opacity:.85}
.mini i.gap{flex:.4;background:none}

/* ===== Notation (CajonMaster-style grid) ===== */
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13px;color:var(--text-2);margin-bottom:12px}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend .k{width:22px;height:22px;border-radius:6px;display:grid;place-items:center;font-weight:800;font-size:13px}
.bars{display:grid;gap:14px;grid-template-columns:1fr}
@media(min-width:1000px){.bars.two{grid-template-columns:1fr 1fr}}
.bar{background:var(--surface-2);border-radius:var(--r-md);padding:10px 8px 8px;overflow-x:auto;transition:box-shadow .2s}
.bar.cur{box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 60%,transparent)}
.bar .bn{font-size:11px;font-weight:700;color:var(--text-3);margin:0 0 6px 2px;letter-spacing:.05em}
.bar .row-g{display:flex;gap:4px}
.bar.wide .row-g{min-width:max-content}
.bar.wide .col{min-width:17px}
.grp{display:flex;gap:1px;flex:1;min-width:0;padding-left:3px;border-left:2px solid var(--line-2)}
.grp:first-child{border-left:0}
.col{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;gap:4px;border-radius:8px;padding:3px 0;transition:background .08s}
.col .n{width:100%;max-width:36px;aspect-ratio:1/1.05;border-radius:7px;display:grid;place-items:center;font-weight:800;font-size:clamp(12px,3.6vw,18px);transition:transform .08s}
.col .n.B{background:var(--c-B);color:var(--on-B)}
.col .n.S{background:var(--c-S);color:var(--on-S)}
.col .n.T{background:var(--c-T);color:var(--on-T)}
.col .n.s{color:var(--c-g);font-size:clamp(11px,3vw,15px);box-shadow:inset 0 0 0 1.5px color-mix(in srgb,var(--c-g) 55%,transparent)}
.col .n.r{color:var(--text-3);font-weight:400}
.col .c{font-size:clamp(10px,2.8vw,13px);font-weight:700;color:var(--text);line-height:1}
.col .c.off{color:var(--text-3);font-weight:600}
.col .h{font-size:10px;font-weight:700;color:var(--text-3);line-height:1}
.col.on{background:color-mix(in srgb,var(--accent) 22%,transparent)}
.col.on .n{transform:scale(1.12)}
.col.edit{cursor:pointer}
.col.edit:hover .n.r{background:var(--surface-3)}

/* ===== Player ===== */
.ph-title b{font-size:24px;letter-spacing:-.02em;display:block;line-height:1.15}
.ph-title small{color:var(--text-2);font-size:14px}
.tags{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 14px}
.tag{font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--surface-2);color:var(--text-2)}
.tip{display:flex;gap:10px;font-size:14px;color:var(--text-2);background:color-mix(in srgb,var(--accent) 8%,var(--surface));border:1px solid color-mix(in srgb,var(--accent) 20%,transparent);border-radius:var(--r-md);padding:12px 14px;margin-top:14px}
.tip svg{width:20px;height:20px;color:var(--accent);flex-shrink:0;margin-top:1px}
.dock{position:sticky;bottom:calc(var(--safe-b) + 76px);z-index:30;margin-top:16px;background:var(--glass);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border:1px solid var(--line);border-radius:var(--r-xl);padding:12px 14px;box-shadow:var(--shadow)}
@media(min-width:900px){.dock{bottom:20px}}
.dock-main{display:flex;align-items:center;gap:12px}
.play-lg{width:60px;height:60px;border-radius:50%;background:var(--accent);color:var(--on-accent);display:grid;place-items:center;flex-shrink:0;transition:transform .12s}
.play-lg:active{transform:scale(.92)}
.play-lg svg{width:28px;height:28px}
.bpm-mini{display:flex;align-items:center;gap:4px}
.bpm-mini .v{font-size:30px;font-weight:800;min-width:2.6ch;text-align:center;letter-spacing:-.03em;line-height:1}
.bpm-mini .u{font-size:10px;color:var(--text-3);font-weight:700;letter-spacing:.1em;text-align:center}
.bpm-mini .icon-btn{width:38px;height:38px}
.dock .slider{flex:1;min-width:80px}
.toggles{display:flex;gap:8px;margin-top:10px;overflow-x:auto;scrollbar-width:none}
.toggles::-webkit-scrollbar{display:none}
.tg{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 12px;border-radius:999px;background:var(--surface-2);font-size:13px;font-weight:600;color:var(--text-2);white-space:nowrap;transition:all .2s}
.tg svg{width:16px;height:16px}
.tg.on{background:color-mix(in srgb,var(--accent) 18%,transparent);color:var(--accent)}
.trainer-status{font-size:12px;color:var(--accent);font-weight:600;margin-top:8px;display:none}
.trainer-status.show{display:block}
.ci-badge{position:fixed;inset:0;display:grid;place-items:center;pointer-events:none;z-index:70;font-size:160px;font-weight:900;color:var(--accent);opacity:0;transition:opacity .15s}
.ci-badge.show{opacity:.85}
.ci-badge{text-shadow:0 8px 40px rgba(0,0,0,.4)}

/* ===== Editor ===== */
.brushes{display:flex;gap:8px;flex-wrap:wrap}
.brush{display:flex;align-items:center;gap:8px;height:44px;padding:0 14px 0 6px;border-radius:12px;background:var(--surface-2);font-weight:600;font-size:14px;border:2px solid transparent;transition:all .15s}
.brush .k{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font-weight:800}
.brush.on{border-color:var(--accent);background:var(--surface)}
.ed-opts{display:grid;gap:12px;grid-template-columns:1fr;margin:14px 0}
@media(min-width:700px){.ed-opts{grid-template-columns:1fr 1fr 1fr}}
.ed-opts label{font-size:12px;font-weight:600;color:var(--text-2);display:block;margin:0 0 6px 2px}

/* ===== Me ===== */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:14px}
.stat b{font-size:28px;font-weight:800;display:block;letter-spacing:-.03em;line-height:1.1}
.stat small{color:var(--text-2);font-size:12px;font-weight:600}
.week{display:flex;gap:8px;align-items:flex-end;height:120px;padding-top:10px}
.week .d{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}
.week .d i{width:100%;max-width:32px;border-radius:6px 6px 3px 3px;background:var(--surface-3);min-height:4px;transition:height .4s var(--ease)}
.week .d.today i{background:var(--accent)}
.week .d span{font-size:11px;color:var(--text-3);font-weight:600}
.creator{display:flex;gap:12px;align-items:flex-start}
.avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;flex-shrink:0;font-size:17px}
.creator .links{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.me-grid{display:grid;gap:16px}
@media(min-width:900px){.me-grid{grid-template-columns:1fr 1fr;align-items:start}}
.install-steps{margin:8px 0 0;padding-left:20px;color:var(--text-2);font-size:14px}
.install-steps li{margin:4px 0}
.kbd{display:inline-block;font-size:12px;padding:1px 6px;border-radius:5px;border:1px solid var(--line-2);background:var(--surface-2);font-family:var(--font-num)}
[data-theme="light"] .tg.on,[data-theme="light"] .tab.on,[data-theme="light"] .side .tab.on,[data-theme="light"] .trainer-status{color:#9A5B00}
[data-theme="light"] a.btn{color:#9A5B00}

/* help & copy */
.help{width:22px;height:22px;border-radius:50%;background:var(--surface-3);color:var(--text-2);font-size:12px;font-weight:800;display:grid;place-items:center;text-transform:none}
.help-tg{width:34px;padding:0;justify-content:center;font-weight:800}
.helps{display:grid;gap:14px}
.helps b{font-size:16px}
.helps p{margin:2px 0 0;color:var(--text-2);font-size:15px;line-height:1.5}
.note{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--text-2);margin-top:12px}
.note svg{width:18px;height:18px;color:var(--accent)}
.fine{font-size:13px;color:var(--text-2);margin:12px 4px 0}
body{line-break:strict}
p,small,.sub,.li .lbl,.helps p,.empty{text-wrap:pretty}
h1,h3,.ph-title b{text-wrap:balance}
.gc .meta{white-space:nowrap;overflow:hidden}
@media(max-width:380px){.gc .meta span:nth-child(2),.gc .meta span:nth-child(3){display:none}}
/* ===== Songs ===== */
.sl{display:grid;gap:10px;margin-top:8px}
@media(min-width:900px){.sl{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
.sc{display:flex;gap:12px;align-items:center;text-align:left;width:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:10px;transition:transform .15s}
.sc:active{transform:scale(.98)}
.sc .th{position:relative;width:112px;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:var(--surface-2);display:grid;place-items:center;color:var(--text-3);flex-shrink:0}
.sc .th img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.sc .th svg{width:28px;height:28px}
.si{min-width:0}
.si b{display:block;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.si small{display:block;color:var(--text-2);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.si span{font-size:12px;color:var(--text-3)}
.song-top{display:grid;gap:14px;grid-template-columns:minmax(0,1fr)}
@media(min-width:900px){.song-top{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);align-items:start}}
.yt-box{position:relative;aspect-ratio:16/9;border-radius:var(--r-lg);overflow:hidden;background:#000}
.yt-box iframe,.yt-box #ytp{position:absolute;inset:0;width:100%;height:100%;border:0}
.yt-ph{position:absolute;inset:0;display:grid;place-items:center;color:#fff;text-decoration:none}
.yt-ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.yt-ph span{position:relative;display:flex;align-items:center;gap:8px;font-weight:600;font-size:14px;background:rgba(0,0,0,.6);padding:8px 14px;border-radius:999px;margin:0 12px;text-align:center}
.yt-ph span svg{width:20px;height:20px;flex-shrink:0}
.sync b{font-size:16px}
.sync small{display:block;color:var(--text-2);font-size:13px}
.secs{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:4px}
.secs::-webkit-scrollbar{display:none}
@media(min-width:900px){.secs{flex-wrap:wrap}}
.secchip{flex-shrink:0;min-width:72px;padding:8px 12px;border-radius:14px;background:var(--surface-2);text-align:left;border:2px solid transparent;transition:all .15s}
.secchip b{display:block;font-size:14px}
.secchip small{font-size:11px;color:var(--text-3)}
.secchip.on{border-color:var(--accent);background:var(--surface)}
.form label{display:block;font-size:12px;font-weight:600;color:var(--text-2);margin:14px 0 6px 2px}
.form label:first-child{margin-top:0}
.sec-row{gap:8px;flex-wrap:wrap}
.sec-row .input{height:38px;padding:0 8px;font-size:15px}
.sec-row .sel-name{width:92px;flex:none}
.sec-row .sel-g{flex:1;min-width:110px}
select.input{appearance:auto}
@media(max-width:400px){.tab{font-size:10px}.tab svg{width:24px;height:24px}}

/* BPM swipe */
.bpm-touch{touch-action:none;user-select:none;-webkit-user-select:none;cursor:ew-resize;border-radius:12px;padding:2px 6px;transition:background .15s}
.bpm-touch:active{background:var(--surface-2)}
.bpm-touch .u,.bpm-unit{white-space:nowrap}
.bpm-input{height:76px;font-size:44px;font-weight:800;text-align:center}
.quick{flex-wrap:wrap;margin:12px 0 0;padding:0}

.sc .th .rank{position:absolute;left:6px;top:6px;min-width:22px;height:22px;padding:0 6px;border-radius:7px;background:rgba(0,0,0,.72);color:#fff;font-size:12px;font-weight:800;display:grid;place-items:center}
.need{font-style:normal;color:var(--accent);font-weight:700}
.sync .row{flex-wrap:wrap}
.sync .stepper{margin-left:auto}

.srcs{font-style:normal;font-size:11px;font-weight:700;color:var(--accent);margin-left:6px;padding:1px 6px;border-radius:6px;background:color-mix(in srgb,var(--accent) 12%,transparent)}

.rest-box{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:96px;border-radius:var(--r-md);border:2px dashed var(--line-2);color:var(--text-2);text-align:center;padding:16px}
.rest-box b{font-size:16px;color:var(--text)}
.rest-box span{font-size:13px}
.rest-box small{font-size:12px;color:var(--text-3)}
.rest-bar{width:min(220px,70%);height:4px;border-radius:2px;background:var(--line-2);overflow:hidden;margin:6px 0 2px}
.rest-bar i{display:block;height:100%;width:0;background:var(--accent);transition:width .15s linear}
.rest-box.soon{border-color:var(--accent)}
.rest-box.soon span{color:var(--accent);font-weight:700;font-size:15px}
.secchip.rest{background:transparent;border-style:dashed;border-color:var(--line-2)}
.secchip.rest.on{border-style:solid;border-color:var(--accent)}