:root{--bg-color:#0f111a;--panel-bg:#191c2999;--text-main:#f0f2f5;--text-muted:#8b949e;--accent-color:#3b82f6;--accent-hover:#2563eb;--border-color:#ffffff1a}body{background-color:var(--bg-color);color:var(--text-main);background-image:radial-gradient(circle at 50% 0,#3b82f626,#0000 60%);flex-direction:column;min-height:100vh;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;display:flex}*{box-sizing:border-box}h1,h2,h3,h4,h5,h6{margin:0;font-weight:600}a{color:var(--accent-color);text-decoration:none}.admin-layout{height:100vh;display:flex}.sidebar{background:var(--panel-bg);border-right:1px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);flex-direction:column;width:250px;padding:20px;display:flex}.sidebar-header{color:#fff;align-items:center;gap:10px;margin-bottom:2rem;font-size:1.25rem;font-weight:700;display:flex}.nav-item{color:var(--text-muted);cursor:pointer;border-radius:8px;align-items:center;gap:12px;margin-bottom:8px;padding:12px 16px;transition:all .2s;display:flex}.nav-item:hover,.nav-item.active{color:var(--accent-color);background:#3b82f61a}.main-content{flex-direction:column;flex:1;display:flex;overflow-y:auto}.topbar{border-bottom:1px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0f111acc;justify-content:space-between;align-items:center;height:70px;padding:0 30px;display:flex}.user-profile{align-items:center;gap:10px;font-size:.9rem;display:flex}.avatar{background:linear-gradient(135deg,#3b82f6,#8b5cf6);border-radius:50%;width:36px;height:36px}.content-area{padding:30px}.dashboard-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-bottom:30px;display:grid}.stat-card{background:var(--panel-bg);border:1px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;padding:24px;transition:transform .2s,box-shadow .2s}.stat-card:hover{border-color:#3b82f64d;transform:translateY(-2px);box-shadow:0 8px 24px #0003}.stat-title{color:var(--text-muted);margin-bottom:8px;font-size:.9rem}.stat-value{color:#fff;font-size:2rem;font-weight:700}.recent-activity{background:var(--panel-bg);border:1px solid var(--border-color);border-radius:12px;padding:24px}.activity-header{color:#fff;margin-bottom:20px;font-size:1.1rem}.section-header{background:var(--panel-bg);border:1px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;justify-content:space-between;align-items:center;margin-bottom:20px;padding:20px 24px;display:flex}.section-title{color:#fff;align-items:center;gap:8px;font-size:1.2rem;font-weight:700;display:flex}.section-desc{color:var(--text-muted);margin-top:4px;font-size:.85rem}.sub-tab-container{background:var(--panel-bg);border:1px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;gap:8px;margin-bottom:20px;padding:8px;display:flex}.sub-tab-item{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:8px;padding:10px 20px;font-size:.9rem;font-weight:600;transition:all .2s;display:flex}.sub-tab-item:hover{color:var(--text-main);background:#ffffff0d}.sub-tab-item.active{color:var(--accent-color);background:#3b82f626}.sub-tab-item.disabled{opacity:.4;cursor:not-allowed}.admin-table-container{background:var(--panel-bg);border:1px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;margin-top:20px;overflow:hidden}.admin-table{border-collapse:collapse;text-align:left;width:100%;font-size:.9rem}.admin-table th{color:var(--text-muted);border-bottom:1px solid var(--border-color);background:#ffffff05;padding:16px 24px;font-weight:500}.admin-table td{border-bottom:1px solid var(--border-color);color:var(--text-main);vertical-align:middle;padding:16px 24px}.admin-table tr:hover{background:#ffffff05}.banner-thumb{object-fit:cover;border:1px solid var(--border-color);border-radius:6px;width:120px;height:68px;display:block}.banner-thumb-empty{border:1px dashed var(--border-color);width:120px;height:68px;color:var(--text-muted);background:#ffffff08;border-radius:6px;justify-content:center;align-items:center;font-size:.75rem;display:flex}.btn{cursor:pointer;border:1px solid #0000;border-radius:8px;outline:none;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:.9rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:var(--accent-color);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-primary:disabled{cursor:not-allowed;background:#3b82f666}.btn-secondary{color:var(--text-main);border-color:var(--border-color);background:#ffffff0f}.btn-secondary:hover{background:#ffffff1f}.btn-danger{color:#ef4444;background:#ef44441f;border-color:#ef444433}.btn-danger:hover{background:#ef444438}.btn-icon{border:1px solid var(--border-color);width:34px;height:34px;color:var(--text-muted);cursor:pointer;background:#ffffff05;border-radius:8px;justify-content:center;align-items:center;padding:0;transition:all .2s;display:inline-flex}.btn-icon:hover{color:var(--text-main);background:#ffffff14}.btn-icon.edit-btn{color:var(--accent-color);border-color:#3b82f633}.btn-icon.edit-btn:hover{background:#3b82f61a}.btn-icon.delete-btn{color:#ef4444;border-color:#ef444433}.btn-icon.delete-btn:hover{background:#ef44441a}.badge{border-radius:4px;padding:4px 8px;font-size:.75rem;font-weight:700;display:inline-block}.badge-pink{color:#ec4899;background:#ec489926}.badge-blue{color:var(--accent-color);background:#3b82f626}.badge-gray{color:var(--text-muted);background:#ffffff14}.form-group{flex-direction:column;gap:8px;display:flex}.form-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.form-label{color:var(--text-main);font-size:.85rem;font-weight:600}.form-input,.form-select,.form-textarea{border:1px solid var(--border-color);color:#fff;background:#0f111a99;border-radius:8px;outline:none;width:100%;padding:12px 16px;font-size:.9rem;transition:all .2s}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent-color);background:#ffffff05}.form-textarea{resize:none}.color-picker-wrapper{align-items:center;gap:12px;display:flex}.color-input-preview{border:1px solid var(--border-color);cursor:pointer;background:#181b28;border-radius:8px;width:44px;height:44px;padding:2px}.color-hex-input{flex:1}.upload-wrapper{align-items:flex-start;gap:16px;display:flex}.upload-preview{object-fit:cover;border:1px solid var(--border-color);border-radius:6px;width:120px;height:68px}.upload-placeholder{border:1px dashed var(--border-color);width:120px;height:68px;color:var(--text-muted);border-radius:6px;justify-content:center;align-items:center;display:flex}.upload-controls{flex-direction:column;flex:1;gap:8px;display:flex}.file-input{width:100%;color:var(--text-muted);font-size:.85rem}.file-input::file-selector-button{background:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:6px;margin-right:12px;padding:8px 16px;font-weight:600;transition:background .2s}.file-input::file-selector-button:hover{background:var(--accent-hover)}.toggle-btn{cursor:pointer;background:0 0;border:none;outline:none;align-items:center;padding:0;display:flex}.toggle-active{color:#10b981}.toggle-inactive{color:var(--text-muted);opacity:.5}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#000000b3;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-content{border:1px solid var(--border-color);background:#181b28;border-radius:16px;flex-direction:column;width:100%;max-width:550px;max-height:90vh;display:flex;overflow:hidden;box-shadow:0 20px 40px #00000080}.modal-header{border-bottom:1px solid var(--border-color);background:#ffffff03;justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.modal-header h3{color:#fff;font-size:1.15rem;font-weight:700}.modal-close-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;outline:none;align-items:center;padding:0;display:flex}.modal-close-btn:hover{color:#fff}.modal-body{flex-direction:column;gap:20px;padding:24px;display:flex;overflow-y:auto}.modal-footer{border-top:1px solid var(--border-color);background:#ffffff03;justify-content:flex-end;gap:12px;padding:20px 24px;display:flex}.loading-box,.empty-box{text-align:center;color:var(--text-muted);padding:48px}