:root { color: #eef3ec; background: #173b36; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-synthesis: none; }
* { box-sizing: border-box; }
body { min-width: 320px; min-height: 100vh; margin: 0; background: #173b36; }
button, input { font: inherit; }
.login-shell { display: grid; min-height: 100vh; grid-template-columns: minmax(0, 1.15fr) minmax(360px, .85fr); }
.login-intro { display: flex; min-height: 100vh; flex-direction: column; justify-content: center; padding: clamp(36px, 8vw, 120px); border-right: 1px solid #365a54; background: radial-gradient(circle at 75% 20%, rgba(216,232,140,.15), transparent 30%); }
.eyebrow, .card-kicker { margin: 0 0 28px; color: #d8e88c; font: 800 .7rem ui-monospace, monospace; letter-spacing: .2em; }
h1 { display: flex; flex-direction: column; margin: 0; font-size: clamp(4.5rem, 10vw, 9.5rem); line-height: .78; letter-spacing: -.075em; text-transform: uppercase; }
h1 em { color: #d8e88c; font-family: Georgia, serif; font-weight: 400; text-transform: none; }
.intro-copy { max-width: 560px; margin: 54px 0 0; color: #b9cac3; font-size: clamp(1rem, 1.5vw, 1.25rem); line-height: 1.55; }
.login-card { align-self: center; margin: clamp(24px, 6vw, 90px); padding: clamp(28px, 4vw, 52px); border: 1px solid #4a6a64; border-radius: 22px; background: #1d4741; box-shadow: 0 28px 80px rgba(0,0,0,.18); }
.card-kicker { margin-bottom: 13px; }
h2 { max-width: 420px; margin: 0 0 34px; font: 400 clamp(2.3rem, 4vw, 4.4rem)/.94 Georgia, serif; letter-spacing: -.04em; }
form { display: grid; gap: 18px; }
label { display: grid; gap: 8px; color: #c9d7d1; font-size: .78rem; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; }
input { width: 100%; border: 1px solid #5b7771; border-radius: 10px; padding: 13px 14px; outline: 0; color: #eef3ec; background: #173b36; }
input:focus { border-color: #d8e88c; box-shadow: 0 0 0 3px rgba(216,232,140,.15); }
.submit { margin-top: 5px; border: 0; border-radius: 999px; padding: 13px 20px; color: #173b36; background: #d8e88c; cursor: pointer; font-weight: 850; }
.submit:hover { background: #e5f2ab; }
.submit:disabled { cursor: wait; opacity: .65; }
.login-error { min-height: 1.4em; margin: -3px 0 -5px; color: #ffaf9d; font-size: .85rem; }
@media (max-width: 820px) {
  .login-shell { grid-template-columns: 1fr; }
  .login-intro { min-height: auto; padding-bottom: 50px; border-right: 0; border-bottom: 1px solid #365a54; }
  .intro-copy { margin-top: 38px; }
  .login-card { width: calc(100% - 36px); margin: 32px 18px; }
}