html,body{color:#000;background:#fff;min-height:100vh}.glass{-webkit-backdrop-filter:blur(12px)saturate(180%);background-color:#fffc;border:1px solid #3c3cfa1a;border-radius:1rem}.dark html,.dark body{color:#000;background:#fff}.btn-primary{color:#fff;background:linear-gradient(135deg,#3c3cfa,#4158ff);border-radius:.75rem;padding:.75rem 1.5rem;transition:transform .2s,box-shadow .2s}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px #3c3cfa40}