*{box-sizing:border-box;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial}
body{
  margin:0; color:#eaf0ff;
  background: radial-gradient(1000px 600px at 20% 10%, #1c2a7a 0%, transparent 55%),
              radial-gradient(800px 500px at 80% 20%, #0aa6ff22 0%, transparent 60%),
              linear-gradient(180deg,#060b1f,#070a12);
  min-height:100vh;
}
a{color:#79b7ff;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:24px}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;border:1px solid #1d2a55;border-radius:16px;
  background:rgba(255,255,255,0.04);backdrop-filter: blur(10px);
}
.brand{display:flex;gap:12px;align-items:center}
.brand img{width:42px;height:42px;border-radius:12px}
.brand h1{font-size:18px;margin:0;letter-spacing:1px}
.card{
  margin-top:24px;
  border:1px solid #1d2a55;border-radius:20px;
  background:rgba(255,255,255,0.05);backdrop-filter: blur(12px);
  box-shadow:0 20px 60px rgba(0,0,0,0.35);
  overflow:hidden;
}
.grid{display:grid;grid-template-columns: 1.1fr 1fr}
.left{
  padding:28px;
  background:
    linear-gradient(135deg, rgba(10,166,255,0.18), rgba(255,215,0,0.08)),
    url('../images/auth-bg.jpg');
  background-size: cover;
  background-position:center;
  min-height:520px;
}
.left .tag{display:inline-block;padding:8px 12px;border-radius:999px;
  border:1px solid #2a4a88;background:rgba(0,0,0,0.25);font-size:12px}
.left h2{margin:14px 0 8px;font-size:34px}
.left p{margin:0;opacity:0.9;max-width:420px;line-height:1.5}
.right{padding:28px}
.title{font-size:22px;margin:0 0 14px}
.form{display:grid;gap:12px}
.row{display:grid;gap:10px;grid-template-columns:1fr 1fr}
input{
  width:100%;padding:12px 14px;border-radius:14px;
  border:1px solid #233466;background:rgba(0,0,0,0.25);
  color:#eaf0ff;outline:none;
}
input:focus{border-color:#56b4ff}
.btn{
  padding:12px 14px;border-radius:14px;border:0;cursor:pointer;
  background: linear-gradient(90deg,#0aa6ff,#2e5bff);
  color:#fff;font-weight:700;letter-spacing:0.5px;
}
.btn:disabled{opacity:0.6;cursor:not-allowed}
.hint{font-size:13px;opacity:0.85;line-height:1.5}
.msg{padding:12px 14px;border-radius:14px;border:1px solid #28407c;background:rgba(0,0,0,0.25)}
.msg.ok{border-color:#2b7a4b}
.msg.err{border-color:#7a2b2b}
.footer-links{display:flex;gap:14px;flex-wrap:wrap;opacity:0.9;font-size:13px;margin-top:10px}
.badge{font-size:12px;opacity:0.9;padding:6px 10px;border-radius:999px;border:1px solid #27407c;background:rgba(0,0,0,0.25)}
@media(max-width:900px){.grid{grid-template-columns:1fr}.left{min-height:260px}}