:root{--primary: #00a7e1;--primary-dark: #0090c0;--primary-darker: #005c80;--primary-light: #b3e8f7;--primary-lighter: #e6f7fd;--white: #ffffff;--gray-50: #f8fafc;--gray-100: #f1f5f9;--gray-200: #e2e8f0;--gray-300: #cbd5e1;--gray-500: #64748b;--gray-600: #475569;--gray-700: #334155;--gray-800: #1e293b;--success: #10b981;--success-light: #d1fae5;--warning: #f59e0b;--warning-light: #fef3c7;--danger: #ef4444;--danger-light: #fee2e2;--sidebar-width: 260px;--header-height: 64px;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow: 0 4px 12px rgba(0,0,0,.1);--shadow-lg: 0 8px 24px rgba(0,0,0,.12);--radius: 10px;--radius-sm: 6px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--gray-50);color:var(--gray-800);font-size:14px;line-height:1.5}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--primary-darker);color:var(--white);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:100;transition:transform .3s ease}.sidebar-logo{padding:20px 20px 16px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-logo .logo-title{font-size:16px;font-weight:700;color:var(--white);line-height:1.3}.sidebar-logo .logo-subtitle{font-size:10px;color:#fff9;margin-top:4px;text-transform:uppercase;letter-spacing:.5px;line-height:1.4}.sidebar-nav{flex:1;padding:12px 0;overflow-y:auto}.nav-section-title{font-size:10px;font-weight:600;color:#fff6;text-transform:uppercase;letter-spacing:1px;padding:16px 20px 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var(--gray-200)}.card-title{font-size:16px;font-weight:600;color:var(--gray-800)}.card-body{padding:20px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--white);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);display:flex;align-items:center;gap:16px}.stat-icon{width:52px;height:52px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}.stat-icon.blue{background:var(--primary-light)}.stat-icon.green{background:var(--success-light)}.stat-icon.orange{background:var(--warning-light)}.stat-icon.red{background:var(--danger-light)}.stat-value{font-size:28px;font-weight:700;color:var(--gray-800)}.stat-label{font-size:13px;color:var(--gray-500);margin-top:2px}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}thead th{padding:12px 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