*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;width:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.login-bg{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0c1e3e,#16365e,#1e4d7e);position:relative;overflow:hidden}.login-bg:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 50%,rgba(64,169,255,.1) 0%,transparent 50%),radial-gradient(circle at 70% 50%,rgba(64,169,255,.05) 0%,transparent 50%);animation:rotate 60s linear infinite}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.login-card{position:relative;z-index:1;width:420px;background:#fffffff2;border-radius:12px;padding:40px;box-shadow:0 20px 60px #0000004d;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.login-title{text-align:center;margin-bottom:8px;font-size:24px;font-weight:700;color:#16365e}.login-subtitle{text-align:center;margin-bottom:32px;font-size:14px;color:#999}