*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f8f9fa;--surface:#fff;--border:#e2e8f0;--text:#1a202c;--text-secondary:#64748b;--primary:#4f46e5;--primary-hover:#4338ca;--primary-light:#eef2ff;--danger:#ef4444;--danger-hover:#dc2626;--success:#22c55e;--warning:#f59e0b;--radius:8px;--shadow:0 1px 3px rgba(0,0,0,.1);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;font-size:14px;color:var(--text);background:var(--bg);line-height:1.5}body{min-height:100vh}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font:inherit}input,select,textarea{font:inherit}.app-layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--text);color:#fff;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-brand{padding:20px;font-size:18px;font-weight:700;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-nav{flex:1;padding:12px 0}.sidebar-nav a{display:flex;align-items:center;gap:10px;padding:10px 20px;color:#ffffffb3;transition:all .15s}.sidebar-nav a:hover,.sidebar-nav a.active{background:#ffffff14;color:#fff;text-decoration:none}.sidebar-user{padding:16px 20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px}.sidebar-user .user-name{color:#fff;font-weight:500}.sidebar-user .user-email{color:#ffffff80;font-size:12px}.main-content{margin-left:240px;flex:1;min-height:100vh}.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:16px 32px;display:flex;align-items:center;justify-content:space-between}.topbar h1{font-size:20px;font-weight:600}.page-content{padding:32px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:32px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.stat-card .stat-value{font-size:32px;font-weight:700;color:var(--primary)}.stat-card .stat-label{color:var(--text-secondary);margin-top:4px}.data-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.data-table th,.data-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border)}.data-table th{background:#f8fafc;font-weight:600;color:var(--text-secondary);font-size:12px;text-transform:uppercase;letter-spacing:.05em}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:#fafbfc}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:6px;font-size:14px;font-weight:500;border:1px solid transparent;transition:all .15s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:var(--danger-hover)}.btn-outline{background:transparent;border-color:var(--border);color:var(--text)}.btn-outline:hover{background:#f1f5f9}.btn-sm{padding:5px 10px;font-size:13px}.btn-ghost{background:transparent;color:var(--text-secondary);padding:4px 8px}.btn-ghost:hover{color:var(--text);background:#f1f5f9}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:500}.badge-active{background:#dcfce7;color:#166534}.badge-inactive{background:#fee2e2;color:#991b1b}.badge-role{background:var(--primary-light);color:var(--primary)}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;font-weight:500;font-size:13px;color:var(--text-secondary)}.form-input{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:6px;background:var(--surface);transition:border-color .15s}.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}.form-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' stroke='%2364748b' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:200;padding:24px}.modal{background:var(--surface);border-radius:var(--radius);width:100%;max-width:480px;box-shadow:0 20px 60px #0003}.modal-header{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-header h2{font-size:18px;font-weight:600}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}.alert{padding:12px 16px;border-radius:6px;margin-bottom:16px;font-size:13px}.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.alert-success{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2)}.login-card{background:var(--surface);border-radius:12px;padding:48px 40px;width:100%;max-width:400px;box-shadow:0 20px 60px #0003}.login-card h1{font-size:24px;font-weight:700;margin-bottom:4px;text-align:center}.login-card p{color:var(--text-secondary);text-align:center;margin-bottom:32px}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.loading-page{display:flex;align-items:center;justify-content:center;min-height:100vh;gap:12px;color:var(--text-secondary)}.toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:12px}.menu-toggle,.sidebar-backdrop{display:none}@media (max-width:768px){.menu-toggle{display:inline-flex}.sidebar{width:0;overflow:hidden;transition:width .2s;position:fixed;z-index:200}.sidebar.open{width:240px;overflow:visible}.sidebar-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:150;background:#0006}.main-content{margin-left:0}.stats-grid{grid-template-columns:1fr 1fr}.page-content{padding:16px}.topbar{padding:12px 16px}.data-table{font-size:13px}.data-table th,.data-table td{padding:8px 10px}.modal{max-width:calc(100vw - 32px)}}@media (max-width:480px){.stats-grid{grid-template-columns:1fr}}