:root{--bg-primary: #ffffff;--bg-secondary: #fafbfc;--bg-elevated: #f9fafb;--accent-primary: #3b82f6;--accent-secondary:#2563eb;--accent-light: #dbeafe;--text-primary: #111827;--text-secondary: #6b7280;--text-muted: #9ca3af;--border-light: #f3f4f6;--border-subtle: #e5e7eb;--border-medium: #d1d5db;--success: #10b981;--success-light: #d1fae5;--danger: #ef4444;--danger-light: #fee2e2;--warning: #f59e0b;--warning-light: #fef3c7;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 3px rgba(0,0,0,.06);--shadow-md: 0 4px 6px rgba(0,0,0,.04);--shadow-lg: 0 10px 15px rgba(0,0,0,.05)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-secondary);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.5}.container{max-width:1300px;margin:0 auto;padding:2rem 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