/* ── Password Gate Module ─────────────────────────── */

.gate {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--header-height));
  padding: 24px;
}

.card {
  text-align: center;
  padding: 48px 40px;
  max-width: 400px;
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}

.subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 300;
  margin-bottom: 32px;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
}

/* The base rule used to set `outline: none`, leaving a 1px border colour
   change as the only focus signal. That is too little on a page whose only
   purpose is typing, and a colour-only cue can be lost on colour-blind
   visitors. The border change stays; the ring is added. */
.input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-color: var(--accent);
}

.input::placeholder {
  color: var(--text-muted);
}

.button {
  padding: 12px 24px;
  background: var(--accent);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.button:hover {
  opacity: 0.9;
}

.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.error {
  margin-top: 12px;
  font-size: 0.8rem;
  color: #e74c3c;
  font-weight: 400;
}

.spinner {
  animation: spin 1s linear infinite;
  display: inline-block;
  margin-right: 8px;
  vertical-align: middle;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 640px) {
  .card {
    padding: 36px 24px;
  }
}