:root{--paper:#fdfbf6;--ink:#26221c;--muted:#5e564a;--line:#e9e2d4;--card:#fff;--accent:#2e5e8c;--accent-deep:#24496e;--accent-soft:#e6edf4;--preview:#8f8a82;color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,PingFang TC,Noto Sans TC,Microsoft JhengHei,Segoe UI,sans-serif}*{box-sizing:border-box}html,body{height:100%;margin:0}body{background:var(--paper)}#app{flex-direction:column;height:100dvh;display:flex}.se-header{padding:10px 16px 0}.se-header h1{margin:0;font-size:18px;font-weight:600}.se-toolbar-slot{border-bottom:1px solid var(--line);background:var(--paper);padding:8px 16px}.se-toolbar{flex-wrap:wrap;align-items:center;gap:6px 10px;display:flex}.se-group{align-items:center;gap:4px;display:flex}.se-btn{min-width:40px;min-height:40px;font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);cursor:pointer;white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;gap:4px;padding:0 8px;font-size:15px;display:inline-flex}.se-btn[hidden]{display:none}.se-btn:hover:not(:disabled){border-color:var(--muted)}.se-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.se-btn:disabled{opacity:.4;cursor:default}.se-btn[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:#fff}.se-btn.se-primary{background:var(--ink);border-color:var(--ink);color:#fff}.se-icon{width:14px;height:24px}.se-dot{font-size:8px}.se-acc{font-size:22px;line-height:1}.se-caret{color:var(--muted);font-size:11px}.se-btn[aria-pressed=true] .se-caret{color:#fff}.se-menu-wrap{position:relative}.se-menu{z-index:20;background:var(--card);border:1px solid var(--line);border-radius:8px;min-width:150px;padding:4px;position:absolute;top:calc(100% + 4px);box-shadow:0 6px 20px #26221c1f}.se-menu[hidden]{display:none}.se-menu:focus{outline:none}.se-menu.is-fixed{position:fixed;right:auto}.se-menu-left{left:0}.se-menu-right{right:0}.se-menu-item{width:100%;min-height:40px;font:inherit;text-align:left;color:var(--ink);cursor:pointer;background:0 0;border:0;border-radius:6px;padding:0 12px;font-size:15px;display:block}.se-menu-item:hover:not(:disabled),.se-menu-item:focus-visible{background:var(--accent-soft);outline:none}.se-menu-item:disabled{color:var(--muted);opacity:.5;cursor:default}.se-menu-sep{background:var(--line);height:1px;margin:4px 6px}.se-hint{color:var(--muted);margin:0;padding:6px 16px;font-size:14px}.se-score{scrollbar-gutter:stable;-webkit-user-select:none;user-select:none;cursor:crosshair;flex:1;padding:8px 16px 48px;overflow:auto}.se-score.is-over-note{cursor:pointer}.se-pages{background:var(--card);border:1px solid var(--line);border-radius:8px}.se-pages>svg{display:block}.se-loading{color:var(--muted)}.se-score .se-preview{fill:var(--preview);stroke:var(--preview);opacity:.75}.se-score .se-preview ellipse,.se-score .se-preview rect,.se-score .se-preview text{stroke:none}.se-score .se-cursor{stroke:var(--accent);opacity:.8}.se-score g.se-selected,.se-score g.se-selected *{fill:var(--accent);stroke:var(--accent);color:var(--accent)}.se-toast{color:#fff;background:var(--ink);opacity:0;pointer-events:none;border-radius:8px;max-width:calc(100% - 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