:root{--primary: #2563EB;--primary-dark: #1d4ed8;--primary-light: #dbeafe;--secondary: #10b981;--danger: #ef4444;--warning: #f59e0b;--info: #3b82f6;--gray-50: #f8fafc;--gray-100: #f1f5f9;--gray-200: #e2e8f0;--gray-300: #cbd5e1;--gray-400: #94a3b8;--gray-500: #64748b;--gray-600: #475569;--gray-700: #334155;--gray-800: #1e293b;--gray-900: #0f172a;--radius: 12px;--radius-sm: 8px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0,0,0,.1);--shadow: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1)}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-tap-highlight-color:transparent}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica 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ease;text-decoration:none;-webkit-user-select:none;user-select:none}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-success{background:var(--secondary);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-warning{background:var(--warning);color:#fff}.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}.btn-ghost{background:transparent;color:var(--gray-600)}.btn-ghost:hover{background:var(--gray-100)}.btn-lg{padding:14px 28px;font-size:16px;border-radius:var(--radius)}.btn-sm{padding:6px 14px;font-size:12px}.btn-icon{padding:10px;border-radius:50%}.btn-block{width:100%}.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--gray-100);overflow:hidden}.card-body{padding:16px}.card-header{padding:16px;border-bottom:1px solid 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var(--gray-100)}.stat-value{font-size:28px;font-weight:800;color:var(--gray-900);line-height:1}.stat-label{font-size:12px;color:var(--gray-500);margin-top:4px;font-weight:500;text-transform:uppercase;letter-spacing:.05em}.stat-change{font-size:12px;margin-top:6px;font-weight:600}.stat-change.up{color:#16a34a}.stat-change.down{color:#dc2626}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.list-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--gray-100);background:#fff}.list-item:last-child{border-bottom:none}.list-item:active{background:var(--gray-50)}.avatar{width:40px;height:40px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;color:var(--primary);flex-shrink:0;overflow:hidden}.avatar 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