:root{--bg:#f7f6f2;--panel:#fff;--text:#1f2328;--muted:#7a808a;--line:#e4e2dc;--soft:#efede7;--ink:#2a2f36;--right:#f5a623;--left:#2dd4a8;--accent:#3b82f6;--kb-h:clamp(118px, 21vh, 180px);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{background:var(--bg);height:100%;color:var(--text);-webkit-text-size-adjust:100%;overscroll-behavior:none;margin:0;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,sans-serif;font-size:16px}body{touch-action:manipulation;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}#app{height:100%}button,a{font:inherit;color:inherit;touch-action:manipulation}button{cursor:pointer;background:0 0;border:0;padding:0}button:disabled{opacity:.35;cursor:default}[hidden]{display:none!important}.icon-btn{min-width:44px;height:44px;color:var(--ink);border-radius:12px;justify-content:center;align-items:center;text-decoration:none;transition:background .15s;display:inline-flex}.icon-btn:active{background:var(--soft)}.btn{background:var(--panel);border:1px solid var(--line);border-radius:14px;align-items:center;gap:8px;height:48px;padding:0 20px;font-weight:600;text-decoration:none;display:inline-flex}.btn.primary{background:var(--ink);border-color:var(--ink);color:#fff}.btn:active{transform:scale(.98)}.spinner{border:3px solid #0000001f;border-top-color:var(--ink);border-radius:50%;width:28px;height:28px;animation:.8s linear infinite spin}.spinner.light{border-color:#fff #ffffff4d #ffffff4d;width:26px;height:26px}@keyframes spin{to{transform:rotate(360deg)}}.page-loading{justify-content:center;align-items:center;height:100%;display:flex}.seg{background:var(--soft);border-radius:12px;gap:2px;padding:3px;display:inline-flex}.seg-btn{min-width:44px;height:40px;color:var(--muted);border-radius:9px;justify-content:center;align-items:center;padding:0 14px;font-size:15px;font-weight:600;display:inline-flex}.seg-btn.on{background:var(--panel);color:var(--text);box-shadow:0 1px 3px #0000001a}.switch{appearance:none;cursor:pointer;background:#d9d7d0;border-radius:16px;flex:none;width:52px;height:32px;margin:0;transition:background .2s;position:relative}.switch:after{content:"";background:#fff;border-radius:50%;width:26px;height:26px;transition:transform .2s;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #0003}.switch:checked{background:#34c759}.switch:checked:after{transform:translate(20px)}.library{max-width:880px;padding:calc(20px + env(safe-area-inset-top)) 24px 40px;min-height:100%;margin:0 auto}.lib-head{flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:20px;display:flex}.lib-head h1{letter-spacing:.02em;flex:1;margin:0;font-size:28px}.lib-actions{align-items:center;gap:12px;display:flex}.lib-section{margin-bottom:28px}.lib-section h2{color:var(--muted);margin:0 0 10px 4px;font-size:15px;font-weight:600}.song-list{background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden}.song{border-bottom:1px solid var(--line);align-items:center;gap:14px;min-height:72px;padding:12px 10px 12px 18px;text-decoration:none;display:flex}.song:last-child{border-bottom:0}.song:active{background:var(--soft)}.song-icon{color:#c27c0e;background:#fff4e0;border-radius:12px;flex:none;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.song-info{flex:1;min-width:0}.song-name{white-space:nowrap;text-overflow:ellipsis;font-size:18px;font-weight:600;overflow:hidden}.song-meta{color:var(--muted);margin-top:3px;font-size:13px}.song .del{color:#b0b4ba;width:52px;height:52px}.empty{text-align:center;color:var(--muted);padding:36px 20px}.toast{background:var(--ink);color:#fff;opacity:0;pointer-events:none;border-radius:14px;max-width:90vw;padding:12px 20px;font-size:15px;transition:opacity .2s,transform .2s;position:fixed;bottom:32px;left:50%;transform:translate(-50%,20px)}.toast.show{opacity:1;transform:translate(-50%)}.toast.bad{background:#c0392b}.player{height:100%;padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);flex-direction:column;display:flex;overflow:hidden}.topbar{height:calc(56px + env(safe-area-inset-top));padding:env(safe-area-inset-top) 10px 0 6px;background:var(--bg);flex:none;align-items:center;gap:8px;display:flex}.song-title{white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;font-size:18px;font-weight:700;overflow:hidden}.hands{gap:8px;display:flex}.hand{background:var(--panel);border:1px solid var(--line);border-radius:14px;align-items:center;gap:0;height:48px;padding:0 2px 0 12px;display:flex}.hand-name{align-items:center;gap:6px;margin-right:4px;font-size:15px;font-weight:700;display:flex}.hand-name:before{content:"";background:var(--right);border-radius:50%;width:12px;height:12px}.hand-L .hand-name:before{background:var(--left)}.hand .tog{min-width:44px}.hand .tog.off{color:#c2c5ca}.hand.dim .hand-name{color:var(--muted)}.score-wrap{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;flex:1;min-height:0;position:relative}.score-scroller{cursor:pointer;-webkit-overflow-scrolling:touch;position:absolute;inset:0;overflow:hidden auto}.score-content{padding-bottom:40vh;position:relative}.score-host svg{display:block}.score-overlay{pointer-events:none;position:absolute;top:0;left:0}.score-overlay>div,.loop-layer>div{will-change:transform;position:absolute;top:0;left:0}.measure-box{background:#3b82f60f;border-radius:6px;display:none}.play-cursor{background:#f5a62338;border-radius:4px;display:none}.staff-dim{background:#ffffffb8}.loop-layer{position:absolute;inset:0}.loop-measure{background:#6366f117;border-top:3px solid #6366f180}.loop-pending{background:#6366f129;border:2px dashed #6366f1b3;border-radius:6px}.score-status{z-index:2;background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex;position:absolute;inset:0}.score-status .error{color:#c0392b;font-size:17px}.count-badge{color:#fff;opacity:0;pointer-events:none;z-index:3;background:#2a2f36c7;border-radius:50%;justify-content:center;align-items:center;width:112px;height:112px;margin:-56px 0 0 -56px;font-size:60px;font-weight:800;transition:opacity .15s,transform .15s;display:flex;position:absolute;top:50%;left:50%;transform:scale(.8)}.count-badge.show{opacity:1;transform:scale(1)}.ab-hint{color:#fff;pointer-events:none;z-index:3;background:#6366f1;border-radius:12px;padding:8px 16px;font-size:15px;font-weight:600;position:absolute;top:12px;left:50%;transform:translate(-50%);box-shadow:0 4px 12px #6366f14d}.progress-wrap{background:var(--bg);flex:none;padding:8px 14px 4px}.progress{touch-action:none;cursor:pointer;height:38px;position:relative}.progress-track{position:absolute;inset:0}.progress-seg{border-left:2px solid var(--bg);border-right:2px solid var(--bg);background:#e7e5df;border-radius:7px;transition:background .15s;position:absolute;top:6px;bottom:6px;overflow:hidden}.progress-seg i{background:#0000001a;width:1px;position:absolute;top:0;bottom:0}.progress-seg span{color:#8b9098;font-size:12px;font-weight:700;position:absolute;top:50%;left:6px;transform:translateY(-50%)}.progress-seg.current{background:#ffe2b0}.progress-seg.current span{color:#9a5c00}.progress-loop{pointer-events:none;background:#6366f11f;border:2px solid #6366f1;border-radius:9px;display:none;position:absolute;top:1px;bottom:1px}.progress-pending{pointer-events:none;border:2px dashed #6366f1;border-radius:7px;display:none;position:absolute;top:1px;bottom:1px}.progress-head{background:var(--ink);pointer-events:none;border-radius:2px;width:4px;margin-left:-2px;position:absolute;top:0;bottom:0}.progress-head:after{content:"";background:var(--ink);border-radius:50%;width:14px;height:14px;position:absolute;top:-3px;left:-5px}.controls{background:var(--bg);flex:none;align-items:center;gap:10px;padding:4px 12px 8px;display:flex}.play-btn{background:var(--ink);color:#fff;border-radius:50%;flex:none;justify-content:center;align-items:center;width:60px;height:60px;transition:transform .1s;display:flex;box-shadow:0 3px 10px #0000002e}.play-btn:active{transform:scale(.94)}.play-btn svg{width:30px;height:30px}.play-btn:not(.playing) svg{margin-left:3px}.play-btn.loading{background:#8a9099}.ctl{background:var(--panel);border:1px solid var(--line);border-radius:14px;width:48px;height:48px}.speeds{background:var(--soft);border-radius:14px;gap:4px;margin-left:6px;padding:3px;display:flex}.chip{color:#5b6169;font-variant-numeric:tabular-nums;border-radius:11px;min-width:46px;height:44px;padding:0 6px;font-size:15px;font-weight:700}.chip.on{background:var(--ink);color:#fff}.speed-fine{background:var(--panel);border:1px solid var(--line);border-radius:14px;align-items:center;height:50px;display:flex}.speed-fine .icon-btn{height:48px}.speed-read{text-align:center;font-variant-numeric:tabular-nums;flex-direction:column;min-width:64px;line-height:1.1;display:flex}.speed-read b{font-size:17px}.speed-read small{color:var(--muted);font-size:12px}.ab-btn{background:var(--panel);border:1px solid var(--line);white-space:nowrap;border-radius:14px;flex:none;align-items:center;gap:8px;height:50px;margin-left:auto;padding:0 16px;font-size:15px;font-weight:700;display:flex}.ab-btn.on{color:#fff;background:#6366f1;border-color:#6366f1}.ab-btn.picking{color:#4f46e5;background:#eef0ff;border-color:#6366f1}.kb-wrap{height:calc(var(--kb-h) + env(safe-area-inset-bottom));padding:0 0 env(safe-area-inset-bottom);background:#3a3f47;flex:none}.keyboard{width:100%;height:100%;display:block}.backdrop{z-index:10;background:#0000001f;position:fixed;inset:0}.panel{right:12px;top:calc(60px + env(safe-area-inset-top));background:var(--panel);z-index:11;border-radius:18px;width:340px;max-height:calc(100% - 80px);padding:8px 18px 14px;position:fixed;overflow-y:auto;box-shadow:0 12px 40px #0000002e}.panel-title{color:var(--muted);margin:12px 0 2px;font-size:13px;font-weight:600}.panel .row{border-bottom:1px solid var(--soft);justify-content:space-between;align-items:center;gap:12px;min-height:52px;font-size:16px;display:flex}.panel .row:last-child{border-bottom:0}@media (width<=1100px){.chip{min-width:42px;padding:0 4px;font-size:14px}.speeds{gap:2px;margin-left:2px}.controls{gap:8px}.speed-read{min-width:56px}}@media (width<=960px){.ab-btn span{display:none}.ab-btn{padding:0 12px}.hand-name{margin-right:0;font-size:0}.hand-name:before{width:14px;height:14px}}@media (width<=760px){.controls{flex-wrap:wrap}.speeds{order:5;justify-content:space-between;width:100%;margin-left:0}.chip{flex:1;min-width:0}}