:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--bg-color: #f8fafc;--sidebar-bg: #ffffff;--text-primary: #1e293b;--text-secondary: #64748b;--border-color: #e2e8f0;--white: #ffffff;--success: #10b981;--danger: #ef4444;--warning: #f59e0b}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-color);color:var(--text-primary);line-height:1.5;overflow-x:hidden}#app{min-height:100vh}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;outline:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}