.csa-login-body { min-height:100vh; background: radial-gradient(circle at 20% 15%, #2b658f 0, #163a62 30%, #0a1627 80%); display:grid; place-items:center; padding:24px; }
.csa-login-shell { width:100%; max-width:430px; }
.csa-login-card { background:#fff; border-radius:26px; padding:42px; box-shadow:0 30px 80px rgba(0,0,0,.34); }
.csa-login-brand { text-align:center; color:var(--csa-primary); font-size:14px; font-weight:800; letter-spacing:.16em; text-transform:uppercase; margin-bottom:14px; }
.csa-login-card h1 { text-align:center; margin:0 0 28px; font-size:30px; }
.csa-login-card label { display:block; font-size:14px; font-weight:700; margin-bottom:8px; }
.csa-login-card input[type=text], .csa-login-card input[type=password] { width:100%; border:1px solid var(--csa-border); padding:14px 15px; border-radius:12px; margin-bottom:18px; background:#fbfdff; }
.csa-login-card input:focus { outline:none; border-color:var(--csa-primary-2); box-shadow:0 0 0 4px rgba(36,95,141,.12); }
.csa-login-card .login-remember { display:flex; align-items:center; gap:8px; margin-bottom:18px; }
.csa-login-card input[type=submit] { width:100%; border:0; border-radius:12px; padding:14px; background:linear-gradient(135deg,var(--csa-primary),var(--csa-primary-2)); color:#fff; font-weight:800; cursor:pointer; }
.csa-lost-password { display:block; text-align:center; margin-top:20px; color:var(--csa-primary-2); text-decoration:none; font-weight:600; }