*{box-sizing:border-box}body{font-family:system-ui,sans-serif;margin:0;background:#f7f8fa;color:#1a1a1a}table{width:100%;border-collapse:collapse;background:#fff}td,th{padding:10px 12px;border-bottom:1px solid #eee;text-align:left}.card{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:16px;margin-bottom:16px}.btn,button{cursor:pointer;padding:8px 14px;border-radius:6px;border:1px solid #ccc;background:#fff}button.primary{background:#2563eb;color:#fff;border-color:#2563eb}input,select,textarea{padding:8px;border:1px solid #ccc;border-radius:6px;width:100%;max-width:400px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:12px;gap:12px}.stat{font-size:28px;font-weight:700}.error{color:#b91c1c;margin:8px 0}