:root{--primary: #2563eb;--primary-dark: #1d4ed8;--primary-light: #dbeafe;--sidebar-bg: #1e2340;--sidebar-text: #94a3b8;--sidebar-active: #2563eb;--sidebar-hover: #2d3557;--header-bg: #ffffff;--body-bg: #f0f2f5;--card-bg: #ffffff;--border: #e2e8f0;--text-primary: #0f172a;--text-secondary: #64748b;--text-muted: #94a3b8;--success: #22c55e;--success-bg: #dcfce7;--warning: #f59e0b;--warning-bg: #fef3c7;--error: #ef4444;--error-bg: #fee2e2;--info: #3b82f6;--info-bg: #dbeafe;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 12px rgba(0,0,0,.1);--shadow-lg: 0 10px 25px rgba(0,0,0,.12);--radius-sm: 6px;--radius: 10px;--radius-lg: 14px;--sidebar-width: 220px;--header-height: 60px;--transition: .2s 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var(--transition)}.notif-item:hover{background:#f8fafc}.notif-item.unread{background:#eff6ff}.notif-title{font-size:13.5px;font-weight:500;color:var(--text-primary);margin-bottom:2px}.notif-time{font-size:11.5px;color:var(--text-muted)}@keyframes pulse{0%{opacity:1}50%{opacity:.5}to{opacity:1}}.skeleton{animation:pulse 1.5s cubic-bezier(.4,0,.6,1) infinite;background-color:var(--border);border-radius:4px}.skeleton-text{height:16px;width:100%;border-radius:4px}.skeleton-title{height:24px;width:50%;border-radius:6px}.skeleton-button{height:36px;width:100px;border-radius:var(--radius-sm)}.skeleton-avatar{height:40px;width:40px;border-radius:50%}.skeleton-row td{padding:16px}.skeleton-row .skeleton{height:16px;border-radius:4px}.skeleton-w-10{width:10%}.skeleton-w-20{width:20%}.skeleton-w-30{width:30%}.skeleton-w-40{width:40%}.skeleton-w-50{width:50%}.skeleton-w-60{width:60%}.skeleton-w-70{width:70%}.skeleton-w-80{width:80%}.skeleton-w-90{width:90%}.skeleton-w-100{width:100%}tbody tr.selected-row{background-color:var(--primary-light)!important}tbody tr.selected-row:hover{background-color:#d1e4ff!important}input[type=checkbox]{cursor:pointer;accent-color:var(--primary);width:16px;height:16px;vertical-align:middle}.hide-mobile{display:inline-block}@media(max-width:768px){.hide-mobile{display:none!important}}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.grid-8{display:grid;grid-template-columns:repeat(8,1fr);gap:16px}@media(max-width:1400px){.grid-8{grid-template-columns:repeat(4,1fr)}}@media(max-width:1024px){.grid-8,.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}:root{--sidebar-width: 200px}}@media(max-width:768px){:root{--sidebar-width: 240px}.app-layout{position:relative}.sidebar{transform:translate(-100%);transition:transform .3s ease;box-shadow:10px 0 30px #0000001a}.sidebar.open{transform:translate(0)}.main-content{margin-left:0!important;width:100%}.grid-2,.grid-3,.grid-4,.grid-8{grid-template-columns:1fr!important}.header-search{display:none}.page-content{padding:16px}.page-header{flex-direction:column;align-items:flex-start}}.sidebar-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;background:#fff;border:1px solid var(--border);border-radius:8px;cursor:pointer;color:var(--text-primary);margin-right:10px}@media(max-width:768px){.sidebar-toggle{display:flex}}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:90}@media(max-width:768px){.sidebar-overlay.show{display:block}}