:root{--primary:#667eea;--primary-dark:#5a6fd8;--secondary:#764ba2;--success:#27ae60;--danger:#e74c3c;--warning:#f39c12;--info:#3498db;--light:#ecf0f1;--dark:#2c3e50;--gray:#95a5a6;--border:#dfe6e9;--shadow:#0000001a;--shadow-lg:#00000026}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--dark);background:#f8f9fa;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background-color:#0009;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}