*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f5f5f5;color:#1a1a1a}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;border-radius:6px;padding:8px 16px;font-size:14px;font-weight:500}.btn-primary{background:#2563eb;color:#fff}.btn-primary:hover{background:#1d4ed8}.btn-danger{background:#dc2626;color:#fff}.btn-danger:hover{background:#b91c1c}.btn-ghost{background:transparent;color:#374151;border:1px solid #d1d5db}.btn-ghost:hover{background:#f3f4f6}input,select{width:100%;padding:8px 12px;border:1px solid #d1d5db;border-radius:6px;font-size:14px;background:#fff}input:focus,select:focus{outline:2px solid #2563eb;border-color:transparent}.card{background:#fff;border-radius:10px;padding:20px;box-shadow:0 1px 3px #00000014}.badge-online{background:#dcfce7;color:#166534;padding:2px 10px;border-radius:99px;font-size:12px}.badge-offline{background:#f3f4f6;color:#6b7280;padding:2px 10px;border-radius:99px;font-size:12px}table{width:100%;border-collapse:collapse}th,td{padding:12px 16px;text-align:left;border-bottom:1px solid #e5e7eb;font-size:14px}th{color:#6b7280;font-weight:500}