:root{--primary-blue: #4062C1;--primary-blue-hover: #3451a3;--light-blue: #BDD5FF;--dark-blue: #1C2844;--bg-light: #F5F6FF;--text-gray: #67707C;--error-red: #dc3545;--success-green: #28a745;--warning-orange: #fd7e14;--border-color: #e1e4e8;--sidebar-width: 260px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Archivo,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--dark-blue);background:var(--bg-light);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--primary-blue);text-decoration:none}a:hover{text-decoration:underline}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-gray)}