:root{--bg:#fff;--bg-panel:#f4f5f7;--text:#1a1a1a;--text-muted:#5b5d63;--border:#d9dce1;--field-hint:#e2e4e8;--div-1:#ffe08a;--div-2:#8ad1ff;--div-3:#a8e6a1;--div-4:#ffb3c6;--div-5:#c9b3ff;--div-6:#ffcf9e;--warn-hard:#c62828;--warn-incomplete:#f9a825;--notice-info:#2e7d32}:root[data-theme=dark]{--bg:#14161a;--bg-panel:#1d2025;--text:#e8e8ea;--text-muted:#abacb0;--border:#2c3038;--field-hint:#23262c;--div-1:#7a6420;--div-2:#245068;--div-3:#2e5c2a;--div-4:#6b2c3b;--div-5:#4a3a75;--div-6:#7a5323;--warn-hard:#ff6b6b;--warn-incomplete:#ffca66;--notice-info:#66bb6a}.grid-scroll{overflow-x:auto}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif}.schedule-grid{border-collapse:collapse;width:100%}.schedule-grid th,.schedule-grid td{border:1px solid var(--border);text-align:left;vertical-align:top;padding:6px 8px}.schedule-grid 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