.auth-shell{min-height:100vh;background:
radial-gradient(circle at 10% 10%,rgba(15,92,74,.16),transparent 34%),
radial-gradient(circle at 90% 8%,rgba(245,158,11,.16),transparent 30%),
linear-gradient(135deg,#f8fbfa,#fffaf2)}
.auth-card{background:rgba(255,255,255,.88);backdrop-filter:blur(18px);
border:1px solid rgba(255,255,255,.9);box-shadow:0 28px 80px -40px rgba(10,54,34,.55)}
.otp-input{letter-spacing:.45em;text-align:center;font-size:1.35rem;font-weight:800}
.auth-tab.active{background:#0F5C4A;color:white}
.benefit-check{display:grid;width:2rem;height:2rem;place-items:center;border-radius:999px;background:#ecfdf5;color:#0F5C4A}