:root {
  --bg-1: #03122b;
  --bg-2: #051f43;
  --card: rgba(6, 28, 58, 0.92);
  --border: #245089;
  --text: #e7f2ff;
  --muted: #a8c3e6;
  --primary: #3fb3ff;
  --primary-2: #1f87d6;
  --danger: #ff7f9d;
  --ok: #7ef2c3;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "SF Pro Text", "Inter", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 5% 5%, #134f95 0%, transparent 60%),
    linear-gradient(135deg, var(--bg-1), var(--bg-2));
}

.login-shell {
  width: min(1100px, 94vw);
  margin: 4vh auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}

.kicker {
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 0 0 10px;
  font-size: 12px;
}

h1,
h2,
h3 {
  margin: 0 0 12px;
}

.muted {
  color: var(--muted);
}

ul {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.55;
}

label {
  display: block;
  margin: 0 0 14px;
}

label span {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 6px;
}

input {
  width: 100%;
  height: 46px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(1, 15, 34, 0.8);
  color: var(--text);
  font-size: 18px;
  padding: 0 12px;
}

input:focus {
  outline: 2px solid rgba(63, 179, 255, 0.35);
  border-color: var(--primary);
}

.actions {
  display: flex;
  gap: 10px;
}

button {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #0f2a4f;
  color: var(--text);
  height: 44px;
  padding: 0 16px;
  font-size: 20px;
  cursor: pointer;
}

button.primary {
  background: linear-gradient(180deg, var(--primary), var(--primary-2));
  color: #03203e;
  border: none;
  font-weight: 700;
}

button:hover {
  filter: brightness(1.08);
}

.status {
  margin: 14px 0 0;
  color: var(--muted);
}

.status.ok {
  color: var(--ok);
}

.status.err {
  color: var(--danger);
}

.meta {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.link-row {
  margin: 14px 0 0;
}

a {
  color: var(--primary);
}

.hint {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.hidden {
  display: none;
}

.change-wrap {
  margin: 16px 0 0;
  padding: 14px;
  border: 1px solid #365f96;
  border-radius: 12px;
  background: rgba(2, 16, 37, 0.65);
}

.advanced {
  margin-top: 16px;
  border: 1px solid #365f96;
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(2, 16, 37, 0.5);
}

.advanced summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 10px;
}

@media (max-width: 900px) {
  .login-shell {
    grid-template-columns: 1fr;
    margin: 2vh auto;
  }
}