:root{--font-ui: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--radius-sm: 7px;--radius: 11px;--radius-lg: 16px;--accent: #7b7cff;--accent-soft: #9fa0ff;--accent-ink: #ffffff;--gold: #f0a63a;--green: #38c793;--red: #ff6b6b;--bg: #0b0d12;--bg-deep: #07080c;--surface: #12151d;--surface-2: #171b25;--surface-3: #1e2431;--border: #262c3a;--border-soft: #1c2130;--text: #e9ecf5;--text-dim: #a3abbf;--text-faint: #6f7897;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 12px 32px -12px rgba(0, 0, 0, .7);--paper: #ffffff;--paper-ink: #101010;--paper-edge: rgba(0, 0, 0, .45);--canvas: #0e1117}:root[data-theme=light]{--bg: #eef0f5;--bg-deep: #e3e6ee;--surface: #ffffff;--surface-2: #f6f7fb;--surface-3: #eceef5;--border: #d6dae6;--border-soft: #e4e7f0;--text: #171a22;--text-dim: #59607a;--text-faint: #878ea6;--shadow: 0 1px 2px rgba(20, 24, 40, .06), 0 12px 28px -14px rgba(20, 24, 40, .35);--paper-edge: rgba(0, 0, 0, .16);--canvas: #dfe3ec}*{box-sizing:border-box}html,body,#root{height:100%}html,body{overflow:hidden}body{margin:0;font-family:var(--font-ui);font-size:14px;line-height:1.5;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button,input,select,textarea{font:inherit;color:inherit}h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em}::selection{background:color-mix(in srgb,var(--accent) 40%,transparent)}.app{display:grid;grid-template-rows:auto minmax(0,1fr);height:100%;overflow:hidden;background:radial-gradient(1100px 620px at 78% -12%,color-mix(in srgb,var(--accent) 12%,transparent),transparent 60%),radial-gradient(760px 460px at 4% 104%,color-mix(in srgb,var(--gold) 8%,transparent),transparent 62%),var(--bg)}.topbar{display:flex;align-items:center;gap:14px;padding:10px 16px;border-bottom:1px solid var(--border-soft);background:color-mix(in srgb,var(--surface) 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h2{font-size:20px;letter-spacing:-.02em}.dropzone p{margin:0;max-width:44ch;color:var(--text-dim);font-size:13.5px}.dropzone-formats{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}.tag{padding:3px 9px;border:1px solid var(--border);border-radius:999px;background:var(--surface-2);font-family:var(--font-mono);font-size:11px;color:var(--text-faint)}.drop-overlay{position:fixed;inset:0;z-index:100;display:grid;place-items:center;background:color-mix(in srgb,var(--bg-deep) 78%,transparent);backdrop-filter:blur(3px);pointer-events:none}.drop-overlay div{padding:26px 40px;border:2px dashed var(--accent);border-radius:var(--radius-lg);background:var(--surface);font-size:16px;font-weight:600;box-shadow:var(--shadow)}.preview{display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--canvas)}.preview-bar{display:flex;align-items:center;gap:10px;padding:8px 14px;border-bottom:1px solid var(--border-soft);background:color-mix(in srgb,var(--surface) 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g.note.is-playing,.page svg g.note.is-playing *{fill:#000;stroke:#000}}