/* Login / signup page */
.auth-page {
  min-height: calc(100vh - 65px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  padding: 2rem 1.5rem;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border: 1px solid var(--rule);
  padding: 2.5rem 2.25rem;
}

.auth-heading {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
  color: var(--ink);
  margin: 0 0 .35rem;
  line-height: 1.2;
}

.auth-sub {
  font-family: var(--font-ui);
  font-size: .82rem;
  color: var(--muted);
  margin: 0 0 1.75rem;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  margin-bottom: 1rem;
}

.auth-field label {
  font-family: var(--font-ui);
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted-strong);
}

.auth-field input {
  width: 100%;
  padding: .7rem .85rem;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: .9rem;
  outline: none;
  box-sizing: border-box;
  transition: border-color .15s;
}

.auth-field input:focus {
  border-color: var(--ink);
}

.auth-btn {
  width: 100%;
  padding: .85rem 1rem;
  margin-top: .5rem;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-ui);
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  border: none;
  cursor: pointer;
  transition: background .15s;
}

.auth-btn:hover {
  background: #2a2924;
}

.auth-btn:disabled {
  opacity: .55;
  cursor: not-allowed;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin: 1.5rem 0;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.auth-toggle {
  text-align: center;
  font-family: var(--font-ui);
  font-size: .82rem;
  color: var(--muted);
}

.auth-toggle button {
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font-ui);
  font-size: .82rem;
  font-weight: 700;
  color: var(--amber);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.auth-toggle button:hover {
  color: var(--ink);
}

.auth-error {
  background: #fdf2f2;
  border: 1px solid #e8c0c0;
  color: var(--danger);
  font-family: var(--font-ui);
  font-size: .82rem;
  padding: .65rem .85rem;
  margin-bottom: 1rem;
  display: none;
}

.auth-error.visible {
  display: block;
}

.auth-success {
  background: var(--amber-light);
  border: 1px solid var(--amber-mid);
  color: #5a3e10;
  font-family: var(--font-ui);
  font-size: .82rem;
  padding: .65rem .85rem;
  margin-bottom: 1rem;
  display: none;
}

.auth-success.visible {
  display: block;
}

.download-btn--gated {
  background: var(--amber-light);
  color: var(--amber);
  border: 1.5px solid var(--amber-mid);
}

.download-btn--gated:hover {
  background: var(--amber);
  color: #fff;
}

.download-btn--active {
  background: var(--ink);
  color: var(--paper);
}

.download-btn--active:hover {
  background: #2a2924;
}

.download-btn--active:disabled {
  opacity: .55;
  cursor: not-allowed;
}

@media (max-width: 560px) {
  .auth-card {
    padding: 2rem 1.25rem;
  }
}