:root{--primary-color: #6c47ff;--primary-hover: #8b5cf6;--background: #f5f6fa;--card-bg: #ffffff;--text-primary: #1a1a2e;--text-secondary: #6b7280;--border-color: #e5e7eb;--success: #10b981;--error: #ef4444;--warning: #f59e0b;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--shadow-sm: 0 1px 4px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 20px 60px rgba(0, 0, 0, .15)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--background);color:var(--text-primary);line-height:1.6}a{color:var(--primary-color);text-decoration:none}a:hover{color:var(--primary-hover)}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit}