:root{--admin-bg:#0f1117;--admin-surface:#1a1b23;--admin-surface-hover:#22232d;--admin-border:#2b2d3a;--admin-text:#e1e1e6;--admin-text-secondary:#8b8d97;--admin-text-muted:#5c5e6e;--admin-primary:#e53935;--admin-primary-hover:#c62828;--admin-primary-light:#e539351f;--admin-success:#22c55e;--admin-warning:#f59e0b;--admin-danger:#ef4444;--admin-info:#3b82f6;--admin-sidebar:#111218;--admin-sidebar-hover:#1a1b26;--admin-input-bg:#1e1f2b;--admin-input-border:#2b2d3a;--admin-card-bg:#1a1b23;--admin-modal-overlay:#0009;--admin-chart-grid:#2b2d3a;--admin-scrollbar:#2b2d3a;--admin-scrollbar-hover:#3b3d4a}.admin-layout{background:var(--admin-bg);color:var(--admin-text);min-height:100vh;display:flex}.admin-sidebar{background:var(--admin-sidebar);border-right:1px solid var(--admin-border);flex-direction:column;width:260px;min-width:260px;height:100vh;display:flex;position:sticky;top:0;overflow-y:auto}.admin-sidebar::-webkit-scrollbar{width:4px}.admin-sidebar::-webkit-scrollbar-track{background:0 0}.admin-sidebar::-webkit-scrollbar-thumb{background:var(--admin-scrollbar);border-radius:4px}.admin-sidebar::-webkit-scrollbar-thumb:hover{background:var(--admin-scrollbar-hover)}.admin-sidebar-header{border-bottom:1px solid var(--admin-border);align-items:center;gap:12px;padding:20px 16px;display:flex}.admin-sidebar-logo{object-fit:cover;border-radius:8px;width:32px;height:32px}.admin-sidebar-brand{color:var(--admin-text);font-size:16px;font-weight:700}.admin-sidebar-brand span{color:var(--admin-primary)}.admin-nav{flex:1;padding:12px 8px}.admin-nav-group{margin-bottom:8px}.admin-nav-label{text-transform:uppercase;letter-spacing:.05em;color:var(--admin-text-muted);padding:8px 12px 4px;font-size:11px;font-weight:600}.admin-nav-item{color:var(--admin-text-secondary);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;width:100%;padding:8px 12px;font-size:14px;font-weight:500;text-decoration:none;transition:all .15s;display:flex}.admin-nav-item:hover{background:var(--admin-sidebar-hover);color:var(--admin-text)}.admin-nav-item.active{background:var(--admin-primary-light);color:var(--admin-primary)}.admin-nav-item svg{flex-shrink:0;width:18px;height:18px}.admin-nav-item .nav-badge{background:var(--admin-primary);color:#fff;border-radius:10px;margin-left:auto;padding:2px 8px;font-size:11px;font-weight:600}.admin-sidebar-footer{border-top:1px solid var(--admin-border);padding:12px 8px}.admin-main{flex-direction:column;flex:1;min-width:0;display:flex}.admin-topbar{border-bottom:1px solid var(--admin-border);background:var(--admin-surface);z-index:10;justify-content:space-between;align-items:center;height:56px;padding:0 24px;display:flex;position:sticky;top:0}.admin-topbar-left{align-items:center;gap:12px;display:flex}.admin-topbar-title{font-size:16px;font-weight:600}.admin-topbar-right{align-items:center;gap:12px;display:flex}.admin-content{flex:1;padding:24px;overflow-y:auto}.admin-content::-webkit-scrollbar{width:6px}.admin-content::-webkit-scrollbar-track{background:0 0}.admin-content::-webkit-scrollbar-thumb{background:var(--admin-scrollbar);border-radius:4px}.admin-content::-webkit-scrollbar-thumb:hover{background:var(--admin-scrollbar-hover)}.admin-card{background:var(--admin-card-bg);border:1px solid var(--admin-border);border-radius:12px;padding:20px;transition:border-color .15s}.admin-card:hover{border-color:#3b3d4a}.admin-card-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.admin-card-title{color:var(--admin-text);font-size:14px;font-weight:600}.stats-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-bottom:24px;display:grid}.stat-card{background:var(--admin-card-bg);border:1px solid var(--admin-border);border-radius:12px;align-items:flex-start;gap:16px;padding:20px;transition:border-color .15s;display:flex}.stat-card:hover{border-color:#3b3d4a}.stat-icon{border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.stat-icon svg{width:20px;height:20px}.stat-icon.primary{color:var(--admin-primary);background:#e539351f}.stat-icon.success{color:var(--admin-success);background:#22c55e1f}.stat-icon.warning{color:var(--admin-warning);background:#f59e0b1f}.stat-icon.info{color:var(--admin-info);background:#3b82f61f}.stat-icon.danger{color:var(--admin-danger);background:#ef44441f}.stat-content{flex:1;min-width:0}.stat-label{color:var(--admin-text-secondary);margin-bottom:4px;font-size:13px;font-weight:500}.stat-value{color:var(--admin-text);font-size:24px;font-weight:700;line-height:1.2}.stat-change{margin-top:4px;font-size:12px;font-weight:500}.stat-change.positive{color:var(--admin-success)}.stat-change.negative{color:var(--admin-danger)}.admin-btn{cursor:pointer;border:none;border-radius:8px;align-items:center;gap:8px;padding:8px 16px;font-size:14px;font-weight:500;line-height:1;text-decoration:none;transition:all .15s;display:inline-flex}.admin-btn:disabled{opacity:.5;cursor:not-allowed}.admin-btn svg{width:16px;height:16px}.admin-btn-primary{background:var(--admin-primary);color:#fff}.admin-btn-primary:hover:not(:disabled){background:var(--admin-primary-hover)}.admin-btn-secondary{background:var(--admin-surface);color:var(--admin-text);border:1px solid var(--admin-border)}.admin-btn-secondary:hover:not(:disabled){background:var(--admin-surface-hover);border-color:#3b3d4a}.admin-btn-danger{background:var(--admin-danger);color:#fff}.admin-btn-danger:hover:not(:disabled){background:#dc2626}.admin-btn-ghost{color:var(--admin-text-secondary);background:0 0}.admin-btn-ghost:hover:not(:disabled){background:var(--admin-surface-hover);color:var(--admin-text)}.admin-btn-sm{padding:6px 12px;font-size:13px}.admin-btn-icon{justify-content:center;align-items:center;width:36px;height:36px;padding:0;display:flex}.admin-table-wrapper{background:var(--admin-card-bg);border:1px solid var(--admin-border);border-radius:12px;overflow:hidden}.admin-table-toolbar{border-bottom:1px solid var(--admin-border);flex-wrap:wrap;align-items:center;gap:12px;padding:16px 20px;display:flex}.admin-table-toolbar-left{flex:1;align-items:center;gap:12px;display:flex}.admin-table-toolbar-right{align-items:center;gap:12px;display:flex}.admin-table{border-collapse:collapse;width:100%}.admin-table th{text-align:left;text-transform:uppercase;letter-spacing:.05em;color:var(--admin-text-muted);background:var(--admin-surface);border-bottom:1px solid var(--admin-border);white-space:nowrap;cursor:pointer;-webkit-user-select:none;user-select:none;padding:12px 20px;font-size:12px;font-weight:600}.admin-table th:hover{color:var(--admin-text-secondary)}.admin-table th.sorted{color:var(--admin-primary)}.admin-table td{color:var(--admin-text-secondary);border-bottom:1px solid var(--admin-border);vertical-align:middle;padding:12px 20px;font-size:14px}.admin-table tr:last-child td{border-bottom:none}.admin-table tr:hover td{background:var(--admin-surface-hover)}.admin-table-pagination{border-top:1px solid var(--admin-border);justify-content:space-between;align-items:center;padding:12px 20px;display:flex}.admin-table-pagination-info{color:var(--admin-text-muted);font-size:13px}.admin-table-pagination-buttons{align-items:center;gap:4px;display:flex}.admin-input{background:var(--admin-input-bg);border:1px solid var(--admin-input-border);color:var(--admin-text);border-radius:8px;outline:none;width:100%;padding:8px 12px;font-size:14px;transition:border-color .15s}.admin-input:focus{border-color:var(--admin-primary)}.admin-input::placeholder{color:var(--admin-text-muted)}.admin-search-input{background:var(--admin-input-bg);border:1px solid var(--admin-input-border);border-radius:8px;align-items:center;gap:8px;min-width:280px;padding:0 12px;display:flex}.admin-search-input svg{width:16px;height:16px;color:var(--admin-text-muted);flex-shrink:0}.admin-search-input input{color:var(--admin-text);background:0 0;border:none;outline:none;width:100%;padding:8px 0;font-size:14px}.admin-search-input input::placeholder{color:var(--admin-text-muted)}.admin-select{background:var(--admin-input-bg);border:1px solid var(--admin-input-border);color:var(--admin-text);cursor:pointer;border-radius:8px;outline:none;padding:8px 12px;font-size:14px;transition:border-color .15s}.admin-select:focus{border-color:var(--admin-primary)}.admin-badge{border-radius:20px;align-items:center;gap:4px;padding:2px 10px;font-size:12px;font-weight:600;display:inline-flex}.admin-badge-primary{color:var(--admin-primary);background:#e539351f}.admin-badge-success{color:var(--admin-success);background:#22c55e1f}.admin-badge-warning{color:var(--admin-warning);background:#f59e0b1f}.admin-badge-danger{color:var(--admin-danger);background:#ef44441f}.admin-badge-info{color:var(--admin-info);background:#3b82f61f}.admin-avatar{object-fit:cover;border-radius:50%;flex-shrink:0;width:36px;height:36px}.admin-avatar-sm{width:28px;height:28px}.admin-avatar-lg{width:48px;height:48px}.admin-avatar-xl{width:80px;height:80px}.admin-avatar-placeholder{background:var(--admin-primary-light);width:36px;height:36px;color:var(--admin-primary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:14px;font-weight:600;display:flex}.online-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px;display:inline-block}.online-dot.online{background:var(--admin-success)}.online-dot.offline{background:var(--admin-text-muted)}.online-dot.away{background:var(--admin-warning)}.skeleton{background:linear-gradient(90deg, var(--admin-surface) 25%, var(--admin-surface-hover) 50%, var(--admin-surface) 75%);background-size:200% 100%;border-radius:8px;animation:1.5s ease-in-out infinite skeleton-loading}.skeleton-text{width:100%;height:14px;margin-bottom:8px}.skeleton-text-sm{width:60%;height:10px}.skeleton-avatar{border-radius:50%;width:36px;height:36px}.skeleton-card{height:120px}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:48px 24px;display:flex}.empty-state svg{width:48px;height:48px;color:var(--admin-text-muted);margin-bottom:16px}.empty-state-title{color:var(--admin-text);margin-bottom:8px;font-size:16px;font-weight:600}.empty-state-description{color:var(--admin-text-secondary);max-width:320px;font-size:14px}.error-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:48px 24px;display:flex}.error-state svg{width:48px;height:48px;color:var(--admin-danger);margin-bottom:16px}.error-state-title{color:var(--admin-text);margin-bottom:8px;font-size:16px;font-weight:600}.error-state-description{color:var(--admin-text-secondary);margin-bottom:16px;font-size:14px}.chart-container{background:var(--admin-card-bg);border:1px solid var(--admin-border);border-radius:12px;padding:20px}.chart-title{color:var(--admin-text);margin-bottom:16px;font-size:14px;font-weight:600}.admin-modal-overlay{background:var(--admin-modal-overlay);z-index:100;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.admin-modal{background:var(--admin-surface);border:1px solid var(--admin-border);border-radius:16px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto}.admin-modal-header{border-bottom:1px solid var(--admin-border);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.admin-modal-title{font-size:16px;font-weight:600}.admin-modal-body{padding:24px}.admin-modal-footer{border-top:1px solid var(--admin-border);justify-content:flex-end;align-items:center;gap:8px;padding:16px 24px;display:flex}.admin-login-page{background:var(--admin-bg);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.admin-login-card{background:var(--admin-surface);border:1px solid var(--admin-border);border-radius:16px;width:100%;max-width:400px;padding:40px}.admin-login-logo{border-radius:12px;width:48px;height:48px;margin-bottom:24px}.admin-login-title{color:var(--admin-text);margin-bottom:8px;font-size:24px;font-weight:700}.admin-login-subtitle{color:var(--admin-text-secondary);margin-bottom:32px;font-size:14px}.admin-form-group{margin-bottom:20px}.admin-form-label{color:var(--admin-text-secondary);margin-bottom:8px;font-size:13px;font-weight:600;display:block}.admin-form-error{color:var(--admin-danger);margin-top:4px;font-size:13px}.admin-tabs{border-bottom:1px solid var(--admin-border);gap:4px;margin-bottom:24px;display:flex}.admin-tab{color:var(--admin-text-secondary);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:10px 16px;font-size:14px;font-weight:500;transition:all .15s}.admin-tab:hover{color:var(--admin-text)}.admin-tab.active{color:var(--admin-primary);border-bottom-color:var(--admin-primary)}.admin-toggle{cursor:pointer;width:44px;height:24px;display:inline-block;position:relative}.admin-toggle input{opacity:0;width:0;height:0}.admin-toggle-slider{background:var(--admin-input-bg);border:1px solid var(--admin-border);border-radius:24px;transition:all .2s;position:absolute;inset:0}.admin-toggle-slider:before{content:"";background:var(--admin-text-muted);border-radius:50%;width:18px;height:18px;transition:all .2s;position:absolute;bottom:2px;left:2px}.admin-toggle input:checked+.admin-toggle-slider{background:var(--admin-primary);border-color:var(--admin-primary)}.admin-toggle input:checked+.admin-toggle-slider:before{background:#fff;transform:translate(20px)}.admin-profile-header{background:var(--admin-card-bg);border:1px solid var(--admin-border);border-radius:16px;align-items:center;gap:24px;margin-bottom:24px;padding:32px;display:flex}.admin-profile-info{flex:1}.admin-profile-name{color:var(--admin-text);margin-bottom:4px;font-size:24px;font-weight:700}.admin-profile-meta{color:var(--admin-text-secondary);font-size:14px}.admin-profile-stats{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:24px;display:grid}.admin-stat-item{background:var(--admin-card-bg);border:1px solid var(--admin-border);text-align:center;border-radius:10px;padding:16px}.admin-stat-item-value{color:var(--admin-text);margin-bottom:4px;font-size:20px;font-weight:700}.admin-stat-item-label{color:var(--admin-text-muted);font-size:12px;font-weight:500}.charts-grid{grid-template-columns:repeat(auto-fill,minmax(400px,1fr));gap:16px;margin-bottom:24px;display:grid}.media-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;display:grid}.media-item{aspect-ratio:1;background:var(--admin-surface);border:1px solid var(--admin-border);cursor:pointer;border-radius:10px;transition:border-color .15s;position:relative;overflow:hidden}.media-item:hover{border-color:var(--admin-primary)}.media-item img{object-fit:cover;width:100%;height:100%}.media-item-overlay{opacity:0;background:#00000080;justify-content:center;align-items:center;transition:opacity .15s;display:flex;position:absolute;inset:0}.media-item:hover .media-item-overlay{opacity:1}.media-item-type{color:#fff;background:#000000b3;border-radius:6px;padding:4px 8px;font-size:11px;font-weight:600;position:absolute;top:8px;right:8px}.settings-section{margin-bottom:32px}.settings-section-title{color:var(--admin-text);border-bottom:1px solid var(--admin-border);margin-bottom:16px;padding-bottom:8px;font-size:16px;font-weight:600}.settings-row{border-bottom:1px solid var(--admin-border);justify-content:space-between;align-items:center;padding:16px 0;display:flex}.settings-row:last-child{border-bottom:none}.settings-row-label{color:var(--admin-text);font-size:14px;font-weight:500}.settings-row-description{color:var(--admin-text-muted);margin-top:2px;font-size:13px}.settings-row-action{flex-shrink:0}@media (max-width:1024px){.admin-sidebar{width:220px;min-width:220px}.charts-grid{grid-template-columns:1fr}}@media (max-width:768px){.admin-sidebar{display:none}.admin-sidebar.mobile-open{z-index:50;width:100%;display:flex;position:fixed;inset:0}.admin-content{padding:16px}.stats-grid{grid-template-columns:repeat(2,1fr)}.admin-profile-header{text-align:center;flex-direction:column}.admin-table-toolbar{flex-direction:column;align-items:stretch}.admin-search-input{min-width:100%}.admin-table-wrapper{overflow-x:auto}.charts-grid{grid-template-columns:1fr}.media-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:480px){.stats-grid{grid-template-columns:1fr}.media-grid{grid-template-columns:repeat(2,1fr)}}