/* Login / registration page styling */

.auth-body { min-height: 100vh; }

.auth-bg {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  /* Background photo (login-bg.jpg) with Amtrak-blue gradient fallback/overlay */
  background:
    linear-gradient(160deg, rgba(1, 80, 123, 0.88), rgba(1, 62, 96, 0.95)),
    url('login-bg.jpg') center / cover no-repeat;
  background-color: var(--brand-dark);
}

.auth-shell {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.auth-brand {
  text-align: center;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.auth-brand .amtrak-logo {
  height: 56px;
  width: auto;
  border-radius: 6px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}
.auth-brand h1 {
  margin: 8px 0 0;
  font-size: 20px;
  letter-spacing: 0.4px;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}
.auth-brand span {
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: 0.85;
}

.auth-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  padding: 22px 26px 18px;
}

.auth-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 18px;
  background: #f0f0f2;
  border-radius: 8px;
  padding: 4px;
}
.auth-tab {
  flex: 1;
  border: none;
  background: transparent;
  padding: 9px 8px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
}
.auth-tab.active {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 2px 6px rgba(1, 80, 123, 0.4);
}

.auth-card form label {
  margin-bottom: 13px;
}
.auth-card form input {
  width: 100%;
  padding: 10px 12px;
}

.btn-block {
  width: 100%;
  padding: 11px;
  font-size: 14px;
  margin-top: 4px;
}

.auth-msg {
  min-height: 18px;
  margin: 12px 0 0;
  font-size: 13px;
  text-align: center;
}
.auth-msg.err { color: var(--danger); }
.auth-msg.ok { color: var(--ok); }

.auth-back {
  margin: 14px 0 0;
  text-align: center;
  font-size: 13px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
.auth-back a { color: var(--brand); text-decoration: none; font-weight: 600; }
.auth-back a:hover { text-decoration: underline; }

@media (max-width: 480px) {
  .auth-shell { max-width: 100%; }
}