:root{--sidebar-bg: #1e1b4b;--sidebar-hover: rgba(255,255,255,.07);--sidebar-active: rgba(255,255,255,.12);--sidebar-text: #a5b4fc;--sidebar-active-text: #ffffff;--sidebar-width: 220px;--topbar-height: 56px;--bg: #f5f6fa;--surface: #ffffff;--border: #e5e7eb;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow: 0 1px 4px rgba(0,0,0,.08), 0 0 1px rgba(0,0,0,.04);--text: #111827;--text-secondary: #6b7280;--text-muted: #9ca3af;--accent: #6C5CE7;--accent-hover: #5b4dd6;--accent-light: #ede9fe;--success: #10b981;--success-bg: #d1fae5;--success-text: #065f46;--warning: #f59e0b;--warning-bg: #fef3c7;--warning-text: #92400e;--danger: #ef4444;--danger-bg: #fee2e2;--danger-text: #991b1b;--info: #3b82f6;--info-bg: #dbeafe;--info-text: #1e40af;--neutral-bg: #f3f4f6;--neutral-text: #374151;--radius: 8px;--radius-sm: 4px;--radius-lg: 12px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe 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