:root{--bg-primary: #0f0f23;--bg-secondary: #1a1a2e;--bg-tertiary: #16213e;--bg-card: rgba(26, 26, 46, .8);--bg-hover: rgba(255, 255, 255, .05);--text-primary: #ffffff;--text-secondary: #a0a0b2;--text-muted: #6b6b80;--accent-primary: #667eea;--accent-secondary: #764ba2;--accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--accent-success: #10b981;--accent-warning: #f59e0b;--accent-danger: #ef4444;--border-color: rgba(255, 255, 255, .1);--border-radius: 12px;--border-radius-sm: 8px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);--shadow-md: 0 4px 20px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .4);--sidebar-width: 260px;--header-height: 70px;--transition-fast: .15s ease;--transition-normal: .25s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none}input,textarea,select{font-family:inherit;font-size:inherit}.admin-layout{display:flex;min-height:100vh}.main-content{flex:1;margin-left:var(--sidebar-width);padding:calc(var(--header-height) + 24px) 32px 32px;min-height:100vh}.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;z-index:100}.sidebar-header{padding:24px;border-bottom:1px solid var(--border-color)}.sidebar-logo{display:flex;align-items:center;gap:12px}.sidebar-logo-icon{width:40px;height:40px;background:var(--accent-gradient);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px}.sidebar-logo-text{font-size:20px;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.sidebar-nav{flex:1;padding:16px;overflow-y:auto}.nav-section{margin-bottom:24px}.nav-section-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);padding:0 12px;margin-bottom:8px}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--border-radius-sm);color:var(--text-secondary);transition:all var(--transition-fast);margin-bottom:4px}.nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-item.active{background:var(--accent-gradient);color:#fff}.nav-item-icon{font-size:18px;width:24px;text-align:center}.sidebar-footer{padding:16px;border-top:1px solid var(--border-color)}.logout-btn{width:100%;padding:12px 16px;background:#ef44441a;color:var(--accent-danger);border-radius:var(--border-radius-sm);display:flex;align-items:center;justify-content:center;gap:8px;transition:all var(--transition-fast)}.logout-btn:hover{background:var(--accent-danger);color:#fff}.header{position:fixed;top:0;left:var(--sidebar-width);right:0;height:var(--header-height);background:#0f0f23e6;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 32px;z-index:50}.header-title{font-size:24px;font-weight:600}.header-user{display:flex;align-items:center;gap:12px}.header-user-avatar{width:40px;height:40px;background:var(--accent-gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-bottom:32px}.stat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:24px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all var(--transition-normal)}.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--accent-primary)}.stat-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.stat-card-icon{width:48px;height:48px;background:var(--accent-gradient);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px}.stat-card-value{font-size:32px;font-weight:700;margin-bottom:4px}.stat-card-label{color:var(--text-secondary);font-size:14px}.data-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);overflow:hidden}.data-card-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border-color)}.data-card-title{font-size:18px;font-weight:600}.search-input{background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);padding:10px 16px;color:var(--text-primary);width:280px;transition:all var(--transition-fast)}.search-input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #667eea33}.search-input::placeholder{color:var(--text-muted)}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:16px 24px;text-align:left}.data-table th{background:var(--bg-tertiary);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary)}.data-table tr{border-bottom:1px solid var(--border-color);transition:background var(--transition-fast)}.data-table tbody tr:hover{background:var(--bg-hover)}.data-table td{font-size:14px}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:500}.badge-success{background:#10b98126;color:var(--accent-success)}.badge-warning{background:#f59e0b26;color:var(--accent-warning)}.badge-danger{background:#ef444426;color:var(--accent-danger)}.badge-primary{background:#667eea26;color:var(--accent-primary)}.user-cell{display:flex;align-items:center;gap:12px}.user-avatar{width:36px;height:36px;border-radius:50%;object-fit:cover;background:var(--bg-tertiary)}.user-info{display:flex;flex-direction:column}.user-name{font-weight:500}.user-email{font-size:12px;color:var(--text-muted)}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);padding:20px}.login-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:48px;width:100%;max-width:420px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.login-logo{text-align:center;margin-bottom:32px}.login-logo-icon{width:64px;height:64px;background:var(--accent-gradient);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:32px;margin:0 auto 16px}.login-logo-text{font-size:28px;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-subtitle{color:var(--text-secondary);margin-top:8px}.form-group{margin-bottom:20px}.form-label{display:block;font-size:14px;font-weight:500;margin-bottom:8px;color:var(--text-secondary)}.form-input{width:100%;padding:14px 16px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);color:var(--text-primary);font-size:15px;transition:all var(--transition-fast)}.form-input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #667eea33}.form-input::placeholder{color:var(--text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border-radius:var(--border-radius-sm);font-size:15px;font-weight:600;transition:all var(--transition-fast)}.btn-primary{background:var(--accent-gradient);color:#fff;width:100%}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px #667eea66}.btn-primary:active{transform:translateY(0)}.btn-danger{background:var(--accent-danger);color:#fff;padding:8px 16px;font-size:13px}.btn-danger:hover{opacity:.9}.btn-secondary{background:var(--accent-primary);color:#fff;padding:8px 16px;font-size:13px}.btn-secondary:hover{background:#5a6fd6}.btn-outline{background:transparent;border:1px solid var(--border-color);color:var(--text-secondary);padding:8px 16px;font-size:13px}.btn-outline:hover{background:var(--bg-hover);border-color:var(--text-secondary);color:var(--text-primary)}.btn-sm{padding:6px 12px;font-size:12px}.error-message{background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:var(--border-radius-sm);padding:12px 16px;color:var(--accent-danger);font-size:14px;margin-bottom:20px}.loading{display:flex;align-items:center;justify-content:center;padding:48px;color:var(--text-secondary)}.spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:48px;color:var(--text-secondary)}.empty-state-icon{font-size:48px;margin-bottom:16px;opacity:.5}.pagination{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-top:1px solid var(--border-color)}.pagination-info{color:var(--text-secondary);font-size:14px}.pagination-buttons{display:flex;gap:8px}.pagination-btn{padding:8px 16px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);color:var(--text-secondary);font-size:14px;transition:all var(--transition-fast)}.pagination-btn:hover:not(:disabled){background:var(--accent-primary);border-color:var(--accent-primary);color:#fff}.pagination-btn:disabled{opacity:.5;cursor:not-allowed}@media(max-width:1024px){.sidebar{transform:translate(-100%)}.main-content{margin-left:0}.header{left:0}}