.glass{background:#ffffffb3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2)}.card-shadow{box-shadow:0 10px 25px -5px #0000000a,0 8px 10px -6px #0000000a}.btn-gradient{background:linear-gradient(135deg,#2481cc,#1a6fb0)}.btn-purple{background:linear-gradient(135deg,#8b5cf6,#7c3aed)}