body{background-color:#fff;min-height:100vh;display:flex;align-items:center;font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif}.sd3d-title{font-weight:800;color:#003087;letter-spacing:-1px;font-size:2.2rem;text-align:center}.auth-card{background:#fff;border:1px solid #eaeaea;border-radius:16px;padding:50px;box-shadow:0 10px 30px #0000000d}.auth-card h2{font-weight:700;font-size:2rem;color:#1a1a1a;margin-bottom:8px}.auth-card p.subtitle{color:#666;margin-bottom:30px;font-size:17px}.auth-card p.text-muted{font-size:18px!important;margin-top:15px!important}.auth-card p.text-muted a{font-size:18px!important;text-decoration:none}.auth-card p.text-muted a:hover{text-decoration:underline}.form-control{height:60px;background-color:#f9f9f9;border:2px solid transparent;border-radius:12px;font-size:20px!important;padding:0 20px}.form-control:focus{background-color:#fff;border-color:#000;box-shadow:none;font-size:20px}.btn-primary{height:60px;background-color:#000;color:#fff;border:none;border-radius:12px;font-size:24px!important;font-weight:600}.btn-primary:hover:not(:disabled){background-color:#333}