:root{--color-bg:#faf7f2;--color-surface:#fff;--color-text:#1f2a24;--color-text-muted:#6b7a72;--color-primary:#2f6f4f;--color-primary-contrast:#fff;--color-border:#e4ded2;--color-overdue:#c0392b;--color-overdue-bg:#fbeae8;--color-due-soon:#b9770e;--color-due-soon-bg:#fdf3e0;--color-ok-bg:#e8f3ec;--radius:14px;--radius-sm:9px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--color-bg:#12191a;--color-surface:#1c2622;--color-text:#eef3ee;--color-text-muted:#93a89b;--color-primary:#4fae7c;--color-primary-contrast:#08130d;--color-border:#2c3a34;--color-overdue:#ff6f5e;--color-overdue-bg:#3a201c;--color-due-soon:#f0ad4e;--color-due-soon-bg:#392c17;--color-ok-bg:#1c3227;--lightningcss-light: 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16px;font-size:15px;font-weight:600;display:inline-flex}.btn-primary{background:var(--color-primary);color:var(--color-primary-contrast)}.btn-secondary{background:var(--color-ok-bg);color:var(--color-primary)}.btn-ghost{color:var(--color-primary);border:1px solid var(--color-border);background:0 0}.field{flex-direction:column;gap:6px;margin-bottom:14px;display:flex}.field label{color:var(--color-text-muted);font-size:13px;font-weight:600}.field input,.field select,.field textarea{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);padding:10px 12px;font-size:15px}.status-badge{white-space:nowrap;border-radius:999px;padding:3px 8px;font-size:12px;font-weight:700}.status-overdue{color:var(--color-overdue);background:var(--color-overdue-bg)}.status-due_soon{color:var(--color-due-soon);background:var(--color-due-soon-bg)}.status-ok,.status-none{color:var(--color-primary);background:var(--color-ok-bg)}.level-badge{white-space:nowrap;text-transform:uppercase;border-radius:999px;padding:2px 7px;font-size:11px;font-weight:700}.level-beginner{color:var(--color-primary);background:var(--color-ok-bg)}.level-intermediate{color:var(--color-due-soon);background:var(--color-due-soon-bg)}.level-advanced{color:var(--color-overdue);background:var(--color-overdue-bg)}.empty-state{text-align:center;color:var(--color-text-muted);padding:40px 16px}.top-bar{border-bottom:1px solid var(--color-border);background:var(--color-surface);z-index:5;justify-content:space-between;align-items:center;padding:14px 16px;display:flex;position:sticky;top:0}.top-bar 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