*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;background:#f5f5f5;color:#333}a{color:#2563eb;text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;border-radius:4px;padding:8px 16px;font-size:14px;transition:opacity .15s}button:disabled{opacity:.5;cursor:not-allowed}button:hover:not(:disabled){opacity:.85}.btn-primary{background:#2563eb;color:#fff}.btn-secondary{background:#6b7280;color:#fff}.btn-danger{background:#dc2626;color:#fff}.btn-sm{padding:4px 10px;font-size:13px}input,select{width:100%;padding:8px 10px;border:1px solid #d1d5db;border-radius:4px;font-size:14px;outline:none}input:focus,select:focus{border-color:#2563eb;box-shadow:0 0 0 2px #bfdbfe}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:4px;font-weight:500}.form-error{color:#dc2626;font-size:12px;margin-top:4px}.card{background:#fff;border-radius:8px;box-shadow:0 1px 3px #0000001a;padding:24px}.alert-error{background:#fee2e2;border:1px solid #fca5a5;border-radius:4px;padding:10px 14px;color:#b91c1c;margin-bottom:16px;font-size:13px}table{width:100%;border-collapse:collapse}th,td{padding:10px 12px;text-align:left;border-bottom:1px solid #e5e7eb}th{background:#f9fafb;font-weight:600;color:#6b7280;font-size:12px;text-transform:uppercase}tr:hover td{background:#f9fafb}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-header h1{font-size:20px;font-weight:600}.topbar{background:#1e3a8a;color:#fff;padding:0 24px;height:52px;display:flex;align-items:center;justify-content:space-between}.topbar .brand{font-weight:700;font-size:16px;letter-spacing:.5px}.topbar button{background:transparent;color:#fff;padding:4px 10px;border:1px solid rgba(255,255,255,.4)}.layout{display:flex;min-height:calc(100vh - 52px)}.sidebar{width:200px;background:#1e40af;padding:16px 0;flex-shrink:0}.sidebar a{display:block;padding:10px 20px;color:#bfdbfe;font-size:14px}.sidebar a:hover,.sidebar a.active{background:#ffffff1a;color:#fff;text-decoration:none}.main-content{flex:1;padding:24px;overflow:auto}.badge{display:inline-block;padding:2px 8px;border-radius:9999px;font-size:11px;font-weight:600}.badge-admin{background:#fef3c7;color:#92400e}.badge-user{background:#dbeafe;color:#1e40af}