:root{--bg-page: #f6f5f2;--bg-surface: #ffffff;--bg-inset: #efeeea;--text-primary: #2c2c2a;--text-secondary: #6b6a65;--border: rgba(44, 44, 42, .12);--accent: #0f6e56;--accent-soft: #e1f5ee;--radius: 10px;font-family:-apple-system,PingFang SC,Helvetica Neue,sans-serif;color:var(--text-primary)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}.app{display:flex;flex-direction:column;height:100%;background:var(--bg-page)}.topbar{display:flex;align-items:center;gap:16px;padding:10px 20px;background:var(--bg-surface);border-bottom:1px solid var(--border)}.brand{font-size:16px;font-weight:600;color:var(--accent);letter-spacing:.5px}.song-title{flex:1;font-size:14px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar-actions{display:flex;align-items:center;gap:10px}.mode-badge{font-size:12px;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:4px 12px;max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.body{flex:1;display:flex;min-height:0;position:relative}.score-pane{flex:1;min-width:0;overflow:auto}.alphatab-container{position:relative;min-height:100%;background:var(--bg-surface)}.at-cursors{pointer-events:none}.at-cursor-bar{background:#0f6e561f}.at-cursor-beat{background:#0f6e56d9;width:3px;border-radius:2px}.at-highlight *{fill:var(--accent);stroke:var(--accent)}.at-selection div{background:#0f6e5633}.at-suspects{pointer-events:none;position:absolute;z-index:900}.at-suspect-bar{position:absolute;left:0;top:0;box-sizing:border-box;background:#e6a00029;border:1px dashed rgba(214,145,0,.55);border-radius:4px}.editor-pane{width:380px;flex-shrink:0;display:flex;flex-direction:column;background:var(--bg-surface);border-left:1px solid var(--border);padding:14px;gap:10px}.editor-head{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-secondary)}.editor-head-actions{display:flex;gap:8px}.tex-input{flex:1;min-height:0;resize:none;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-inset);padding:10px;font-family:SF Mono,Menlo,Consolas,monospace;font-size:12px;line-height:1.6;color:var(--text-primary)}.tex-input:focus{outline:none;border-color:var(--accent)}.hint{font-size:11px;line-height:1.6;color:var(--text-secondary);margin:0}.hint code{background:var(--bg-inset);border-radius:4px;padding:1px 5px;font-size:11px}.correction-bar{display:flex;align-items:center;gap:10px;padding-top:10px;margin-top:10px;border-top:1px solid var(--border-subtle, rgba(128, 128, 128, .18))}.correction-msg{font-size:11px;color:var(--text-secondary)}.controls{display:flex;align-items:center;gap:18px;padding:10px 20px;background:var(--bg-surface);border-top:1px solid var(--border)}.player-cluster{display:flex;align-items:center;gap:12px;margin-inline:auto}button{border:1px solid var(--border);background:var(--bg-surface);color:var(--text-primary);border-radius:8px;padding:6px 14px;font-size:13px;cursor:pointer;transition:background .15s ease,border-color .15s ease}button:hover:not(:disabled){background:var(--bg-inset)}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:#fff;min-width:72px}button.primary:hover:not(:disabled){background:#0c5c48}button.ghost{background:transparent}.time{font-variant-numeric:tabular-nums;font-size:13px;color:var(--text-secondary);min-width:96px;text-align:center}.slider{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-secondary)}.slider input[type=range]{width:110px;accent-color:var(--accent)}.slider-value{min-width:40px;font-variant-numeric:tabular-nums}.check{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-secondary);cursor:pointer}.check input{accent-color:var(--accent)}.mode-switch{margin-left:0}.file-btn{position:relative;display:inline-block;border:1px dashed var(--accent);color:var(--accent);border-radius:8px;padding:6px 14px;font-size:13px;cursor:pointer}.file-btn.topbar{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;padding:0;border:1px solid transparent;border-radius:8px;color:var(--text-secondary)}.file-btn.topbar:hover{background:var(--bg-inset);color:var(--text-primary)}.tx-block{display:flex;flex-direction:column;align-items:flex-end;gap:4px;max-width:320px;margin-right:4px}.tx-block>*{max-width:100%}.status-item{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text-secondary);background:var(--bg-inset);border-radius:999px;padding:4px 12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.status-item.warn{color:#8a4b00;background:#fff2e0;border:1px solid #f0c68a}.view-select{border:1px solid var(--border);border-radius:8px;background:var(--bg-surface);color:var(--text-primary);padding:6px 8px;font-size:12px;cursor:pointer}.view-select:focus{outline:none;border-color:var(--accent)}.pane-title{font-size:13px;font-weight:600;color:var(--text-primary)}.pane-tabs{display:flex;gap:2px}.settings-pane{display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding-top:4px}.settings-section{font-size:12px;font-weight:600;color:var(--text-secondary);margin-top:4px}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;padding:0;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--text-secondary)}.icon-btn:hover:not(:disabled){background:var(--bg-inset);color:var(--text-primary)}.icon-btn.active{color:var(--accent);background:var(--accent-soft)}button.play-btn{width:36px;height:36px;min-width:36px;padding:0;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.retex-bar{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding-top:10px;margin-top:10px;border-top:1px solid var(--border-subtle, rgba(128, 128, 128, .18))}.retex-title{font-size:12px;font-weight:600;color:var(--text-secondary)}.retex-field{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--text-secondary)}.retex-field input,.retex-field select{width:64px;border:1px solid var(--border);border-radius:6px;background:var(--bg-inset);padding:4px 6px;font-size:12px;color:var(--text-primary)}.retex-field input:focus,.retex-field select:focus{outline:none;border-color:var(--accent)}.tx-progress{display:inline-flex;align-items:center;gap:8px;background:var(--bg-inset);border-radius:999px;padding:4px 12px}.tx-progress-label{font-size:12px;color:var(--text-secondary);white-space:nowrap}.tx-progress-track{display:inline-block;width:110px;height:6px;border-radius:3px;background:color-mix(in srgb,var(--accent) 15%,transparent);overflow:hidden}.tx-progress-fill{display:block;height:100%;border-radius:3px;background:var(--accent);transition:width .4s ease}.file-btn:hover{background:var(--accent-soft)}.file-btn input{position:absolute;inset:0;opacity:0;cursor:pointer}.clean-panel{display:flex;flex-direction:column;gap:8px;padding-top:10px;margin-top:10px;border-top:1px solid var(--border-subtle, rgba(128, 128, 128, .18))}.clean-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.clean-title{font-size:12px;font-weight:600;color:var(--text-primary)}.take-meta{flex:1;min-width:0;font-size:11px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.take-meta.full{flex:none;white-space:normal;line-height:1.5}.clean-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.clean-label{font-size:12px;color:var(--text-secondary)}.clean-toggle,.clean-field{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none}.clean-field input,.clean-select{border:1px solid var(--border);border-radius:6px;background:var(--bg-inset);padding:4px 6px;font-size:12px;color:var(--text-primary)}.clean-field input{width:84px}.clean-select.wide{flex:1;min-width:0}.clean-field input:focus,.clean-select:focus{outline:none;border-color:var(--accent)}.ghost.danger{color:#a33}.ghost.danger:hover{background:#aa333314}.modal-scrim{position:fixed;inset:0;z-index:40;display:flex;align-items:center;justify-content:center;background:#2c2c2a47}.modal-card{width:340px;max-width:90vw;background:var(--bg-surface);border:1px solid var(--border);border-radius:12px;box-shadow:0 16px 48px #2c2c2a2e;padding:18px 18px 14px;animation:modal-in .14s ease-out}@keyframes modal-in{0%{transform:scale(.96);opacity:0}to{transform:none;opacity:1}}.modal-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px}.modal-text{font-size:13px;line-height:1.6;color:var(--text-secondary);margin-bottom:16px}.modal-actions{display:flex;justify-content:flex-end;gap:8px}.login-scrim{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;background:var(--bg-inset)}.login-card{width:320px;max-width:92vw;display:flex;flex-direction:column;gap:12px;background:var(--bg-surface);border:1px solid var(--border);border-radius:14px;box-shadow:0 16px 48px #2c2c2a1f;padding:28px 26px 20px}.login-brand{font-size:22px;font-weight:700;color:var(--accent);text-align:center}.login-sub{font-size:12px;color:var(--text-secondary);text-align:center;margin-bottom:6px}.login-field{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--text-secondary)}.login-field input{border:1px solid var(--border);border-radius:8px;background:var(--bg-surface);color:var(--text-primary);padding:8px 10px;font-size:13px}.login-field input:focus{outline:none;border-color:var(--accent)}.login-err{font-size:12px;color:#a33;background:#aa333312;border-radius:8px;padding:6px 10px}.login-submit{border:none;border-radius:8px;background:var(--accent);color:#fff;font-size:13px;font-weight:600;padding:9px 0;cursor:pointer}.login-submit:disabled{opacity:.45;cursor:default}.login-switch{border:none;background:none;color:var(--text-secondary);font-size:12px;cursor:pointer}.login-switch:hover{color:var(--accent)}.user-chip{font-size:12px;color:var(--text-secondary);background:var(--bg-inset);border-radius:999px;padding:5px 12px;max-width:160px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.version-list{list-style:none;margin:2px 0 0;padding:0;display:flex;flex-direction:column;gap:4px;max-height:190px;overflow-y:auto}.version-row{display:flex;align-items:flex-start;gap:8px;padding:6px 8px;border:1px solid var(--border);border-radius:8px;background:var(--bg-surface)}.version-row.active{border-color:var(--accent);background:var(--accent-soft)}.version-pick{flex-shrink:0;border:1px solid var(--border);border-radius:6px;background:var(--bg-inset);color:var(--text-primary);font-size:11px;font-weight:600;padding:3px 7px;cursor:pointer}.version-pick:hover{border-color:var(--accent);color:var(--accent)}.version-body{display:flex;flex-direction:column;gap:2px;min-width:0}.version-label{font-size:11px;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.version-metrics{font-size:11px;line-height:1.5;color:var(--text-secondary)}.version-metrics b{color:var(--text-primary);font-weight:600}.lib-btn.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.lib-scrim{position:absolute;inset:0;z-index:20}.lib-drawer{position:absolute;right:0;top:0;bottom:0;z-index:21;width:420px;max-width:84vw;display:flex;flex-direction:column;background:var(--bg-surface);border-left:1px solid var(--border);box-shadow:-10px 0 30px #2c2c2a12;animation:lib-slide-in .16s ease-out}@keyframes lib-slide-in{0%{transform:translate(10px);opacity:0}to{transform:none;opacity:1}}.lib-head{display:flex;align-items:center;gap:8px;padding:12px 14px 10px}.lib-title{font-size:14px;font-weight:600;color:var(--text-primary)}.lib-count{flex:1;min-width:0;font-size:11px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lib-close{border:none;background:transparent;padding:2px 6px;font-size:13px;line-height:1;color:var(--text-secondary)}.lib-tools{display:flex;flex-direction:column;gap:8px;padding:0 14px 10px;border-bottom:1px solid var(--border)}.lib-search{width:100%;border:1px solid var(--border);background:var(--bg-page);color:var(--text-primary);border-radius:8px;padding:7px 10px;font-size:13px;font-family:inherit}.lib-search:focus{outline:none;border-color:var(--accent);background:var(--bg-surface)}.lib-tools-row{display:flex;align-items:center;gap:10px}.lib-sort{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text-secondary)}.lib-hit{font-size:11px;color:var(--text-secondary)}.lib-list{flex:1;min-height:0;overflow-y:auto;list-style:none;margin:0;padding:6px 0}.lib-item{border-bottom:1px solid rgba(128,128,128,.1)}.lib-item:last-child{border-bottom:none}.lib-item.active>.lib-row{background:var(--accent-soft)}.lib-row{display:flex;align-items:center;gap:8px;padding:9px 12px 9px 10px;cursor:pointer;transition:background .12s ease}.lib-row:hover{background:var(--bg-inset)}.lib-row:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.lib-caret{width:12px;flex-shrink:0;font-size:10px;color:var(--text-secondary)}.lib-main{flex:1;min-width:0}.lib-name{font-size:13px;font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lib-meta{font-size:11px;line-height:1.5;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lib-chip{flex-shrink:0;font-size:11px;color:var(--text-secondary);border:1px solid var(--border);border-radius:9px;padding:1px 7px;white-space:nowrap}.lib-chip.strong{color:var(--text-primary)}.lib-del{flex-shrink:0;border:none;background:transparent;padding:2px 5px;font-size:11px;line-height:1;color:var(--text-secondary);opacity:0}.lib-row:hover .lib-del{opacity:1}.lib-del:hover{color:#a32d2d;background:var(--bg-surface)}.lib-vers{list-style:none;margin:0 0 6px;padding:0 12px 0 22px}.lib-ver{display:flex;align-items:center;gap:8px;padding:5px 0;font-size:11px;color:var(--text-secondary);border-top:1px solid rgba(128,128,128,.08)}.lib-ver.on{color:var(--text-primary)}.lib-ver-no{flex-shrink:0;font-weight:500;font-variant-numeric:tabular-nums;color:var(--text-primary)}.lib-ver-label{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lib-ver-metric{flex-shrink:0;font-variant-numeric:tabular-nums}.lib-ver-load{flex-shrink:0;padding:2px 9px;font-size:11px;border-radius:6px}.lib-ver-empty{padding:5px 0;font-size:11px;color:var(--text-secondary)}.lib-empty{margin:0;padding:16px 14px;font-size:12px;line-height:1.6;color:var(--text-secondary)}.take-pick{flex:1;min-width:0;text-align:left;font-size:12px;padding:5px 12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}