:root{color-scheme:light;--border:#ddd;--muted:#666;--accent:#00008e}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:#111;background:#fafafa}a{color:var(--accent)}table{border-collapse:collapse;width:100%}td,th{text-align:left;padding:8px 12px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--muted);font-weight:600}button,input,select,textarea{font:inherit}input,select,textarea{padding:8px 10px;border:1px solid var(--border);border-radius:4px;width:100%}button{padding:8px 16px;border:none;border-radius:4px;background:var(--accent);color:#fff;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}.error{color:#b00020;font-size:14px}.muted{color:var(--muted)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));grid-gap:16px;gap:16px;margin:24px 0}.stat-card{border:1px solid var(--border);border-radius:8px;padding:16px;background:#fff}.stat-card .label{font-size:13px;color:var(--muted)}.stat-card .value{font-size:28px;font-weight:600;margin-top:4px}