:root{--primary: #1d1d1f;--primary-hover: #000000;--primary-light: #f5f5f7;--accent: #0071e3;--accent-hover: #0077ed;--accent-light: #e8f4fd;--success: #34c759;--success-light: #e8f8ed;--warning: #ff9500;--warning-light: #fff4e5;--danger: #ff3b30;--danger-light: #ffebe9;--gray-50: #fbfbfd;--gray-100: #f5f5f7;--gray-200: #e8e8ed;--gray-300: #d2d2d7;--gray-400: #aeaeb2;--gray-500: #8e8e93;--gray-600: #636366;--gray-700: #48484a;--gray-800: #3a3a3c;--gray-900: #1d1d1f;--sidebar-width: 260px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 24px;--radius-pill: 100px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,Helvetica 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ease}.header-user:hover{background:var(--gray-100)}.header-avatar{width:34px;height:34px;border-radius:50%;background:var(--gray-200);color:var(--gray-600);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px}.page-container{padding:32px;max-width:1400px}.card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.card-header{padding:20px 24px;border-bottom:1px solid var(--gray-100);display:flex;align-items:center;justify-content:space-between}.card-title{font-size:17px;font-weight:600;color:var(--gray-900);letter-spacing:-.2px}.card-body{padding:24px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:28px}.stat-card{background:#fff;border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);display:flex;align-items:flex-start;gap:16px;transition:box-shadow .2s ease}.stat-card:hover{box-shadow:var(--shadow-md)}.stat-icon{width:44px;height:44px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center}.stat-icon.blue{background:var(--accent-light);color:var(--accent)}.stat-icon.green{background:var(--success-light);color:var(--success)}.stat-icon.yellow{background:var(--warning-light);color:var(--warning)}.stat-icon.red{background:var(--danger-light);color:var(--danger)}.stat-content{flex:1}.stat-value{font-size:28px;font-weight:600;color:var(--gray-900);line-height:1.2;letter-spacing:-.5px}.stat-label{font-size:13px;color:var(--gray-500);margin-top:4px}.stat-trend{font-size:13px;margin-top:8px;display:flex;align-items:center;gap:4px;font-weight:500}.stat-trend.up{color:var(--success)}.stat-trend.down{color:var(--danger)}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}th{text-align:left;padding:12px 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ease}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-accent{background:var(--accent);color:#fff}.btn-accent:hover{background:var(--accent-hover)}.btn-secondary{background:var(--gray-100);color:var(--gray-700)}.btn-secondary:hover{background:var(--gray-200)}.btn-sm{padding:6px 14px;font-size:13px}.btn-icon{width:36px;height:36px;padding:0;border-radius:var(--radius-sm);background:var(--gray-100);color:var(--gray-600);border:none;transition:all .15s 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