:root{--pink:#ff4f9a;--bg:#111;--card:#1c1c1e;--fg:#f2f2f2;--mut:#9a9aa0}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;padding-bottom:env(safe-area-inset-bottom)}
header{padding:calc(env(safe-area-inset-top) + 12px) 16px 4px}
h1{margin:0;font-size:24px}h1 small{font-size:13px;color:var(--mut);font-weight:400;margin-left:6px}
h2{margin:0 0 10px;font-size:17px}h2 small{color:var(--mut);font-weight:400;font-size:13px}
main{max-width:640px;margin:0 auto;padding:8px 12px 40px}
.card{background:var(--card);border-radius:14px;padding:14px;margin:12px 0}
.btn{display:inline-block;border:0;border-radius:10px;padding:10px 14px;background:#2c2c2e;color:var(--fg);font-size:15px;text-align:center;cursor:pointer;text-decoration:none}
.btn.primary{background:var(--pink);color:#fff;font-weight:600}
.btn.big{display:block;width:100%;padding:14px;font-size:17px;margin:6px 0}
.btn.small{padding:6px 10px;font-size:13px}
.btn:disabled{opacity:.4}
.hint{color:var(--mut);font-size:13px;margin:8px 0}
.status{font-size:14px;margin-top:8px;white-space:pre-line}
.status .bar{height:6px;background:#333;border-radius:3px;overflow:hidden;margin-top:6px}
.status .bar i{display:block;height:100%;background:var(--pink);width:0}
.row{display:flex;align-items:center;gap:8px;margin:8px 0;flex-wrap:wrap}
.row input[type=range]{flex:1;min-width:120px;accent-color:var(--pink)}
.seg{gap:0;background:#2c2c2e;border-radius:10px;padding:3px;flex-wrap:nowrap}
.seg button{flex:1;border:0;background:none;color:var(--fg);padding:8px 4px;border-radius:8px;font-size:14px}
.seg button.on{background:var(--pink);color:#fff;font-weight:600}
.viewwrap{position:relative;background:#000;border-radius:10px;overflow:hidden;display:flex;justify-content:center}
#view{display:block;touch-action:manipulation}
.viewtip{position:absolute;left:8px;top:8px;background:rgba(0,0,0,.6);padding:3px 8px;border-radius:6px;font-size:12px;pointer-events:none}
.viewtip:empty{display:none}
.mono{font-variant-numeric:tabular-nums;font-size:13px;color:var(--mut);min-width:44px;text-align:right}
.lbl{font-size:14px;color:var(--mut)}
select,input[type=number]{background:#2c2c2e;color:var(--fg);border:0;border-radius:8px;padding:8px;font-size:15px}
#outvideo{width:100%;max-height:60vh;background:#000;border-radius:10px;margin:8px 0}
.foot{color:#555;font-size:11px;text-align:center}
.warn{color:#ffb340}.ok{color:#5fd38d}.err{color:#ff6b6b}
.warns{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}.warns:empty{display:none}.warns .w{background:#3a2a10;color:#ffb340;border:0;border-radius:8px;padding:5px 9px;font-size:13px}.warns .w.lost{background:#2c2c2e;color:#bbb}
.cands{display:flex;flex-direction:column;gap:6px;margin:6px 0}
.cands button{display:flex;justify-content:space-between;border:0;border-radius:10px;padding:12px;background:#2c2c2e;color:var(--fg);font-size:15px}
.cands button.on{background:var(--pink);color:#fff;font-weight:600}
.readout{font-size:26px;font-weight:700;text-align:center;margin:8px 0}
.bigslider{width:100%;height:36px;accent-color:var(--pink)}
.nudges{flex-wrap:nowrap;gap:4px}.nudges .btn{flex:1;padding:12px 0;font-size:14px}
.tin{background:#2c2c2e;color:var(--fg);border:0;border-radius:8px;padding:8px;font-size:16px;width:130px}
.tapsync{margin:10px 0}.tapsync summary{color:var(--pink);padding:6px 0}
#tap-hit{flex:1;padding:16px}
/* v1.5 beta 音乐对齐 */
.plans{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.plans .btn{flex:1;min-width:30%}
.plans .btn.on{outline:2px solid currentColor}
.slide-lbl{display:flex;justify-content:space-between;font-size:13px;opacity:.75;margin-top:8px}
.nudges.two .btn{flex:1;font-size:17px;padding:14px 0;user-select:none;-webkit-user-select:none;touch-action:manipulation}
.readout-sm{font-size:12px;color:#888;text-align:center;margin:4px 0 10px}
#align-done{width:100%}
#align-summary{margin:8px 0}
details.adv{margin-top:12px}
details.adv summary{color:#888}
.ahead{display:flex;align-items:center;gap:8px;margin:4px 0 10px}
.ahead .sp{flex:1}
.ghost{background:transparent!important;opacity:.7}
.offbox{border:1px solid #555;border-radius:8px;padding:6px 12px;font-size:14px}
.tabs{display:flex;background:#222;border-radius:12px;padding:3px;margin-bottom:10px}
.tabs .btn{flex:1;background:transparent;border:0;margin:0}
.tabs .btn.on{background:#2a3a5a;outline:1px solid #5a7ac0}
.waves{display:flex;gap:6px;align-items:stretch}
.wl{display:flex;flex-direction:column;justify-content:space-around;font-size:11px;text-align:center;color:#3bb}
.wl span:last-child{color:#58f}
#wave{flex:1;width:100%;height:120px;touch-action:none;border-radius:6px;background:#111}
.nudges.four .btn{flex:1;font-size:14px;padding:12px 0;user-select:none;-webkit-user-select:none;touch-action:manipulation}
.row.two>.btn{flex:1}
.stepper{display:flex;justify-content:center;align-items:center;gap:24px;margin:12px 0}
.stepper .btn{width:56px;height:56px;font-size:24px}
#sp-val{font-size:28px;min-width:80px;text-align:center}
.dlg{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:100;display:flex;align-items:center;justify-content:center}
.dlg[hidden]{display:none}
.dlg-box{background:#2a2a2e;border-radius:20px;padding:20px;width:84%;max-width:380px;text-align:center}
.dlg-box .btn{width:100%;margin-top:10px}