/* ─── Guest Book Section ────────────────────────────────────── */
.guestbook {
  padding: var(--space-12) var(--space-3);
}

.guestbook .section-heading h2 {
  color: var(--champagne);
}

.guestbook .divider {
  background: var(--champagne-dark);
}

.guestbook__intro {
  font-size: var(--text-base);
  color: var(--champagne);
  opacity: 0.8;
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

/* ─── Submission form ───────────────────────────────────────── */
.gb-form {
  max-width: 420px;
  margin: 0 auto var(--space-8);
  text-align: left;
}

.gb-form .rsvp__field {
  margin-bottom: var(--space-2);
}

.gb-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  min-height: 110px;
  resize: vertical;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(247, 231, 206, 0.2);
  border-radius: 2px;
  color: var(--champagne);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 300;
  line-height: 1.6;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.gb-textarea::placeholder {
  color: rgba(247, 231, 206, 0.3);
}

.gb-textarea:focus {
  outline: none;
  border-color: var(--champagne-dark);
  background: rgba(255, 255, 255, 0.09);
}

.gb-textarea.rsvp__input--error {
  border-color: #e07070;
  animation: inputShake 0.35s var(--ease-out-quart);
}

.gb-form__footer {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  flex-wrap: wrap;
}

.gb-success {
  font-size: var(--text-sm);
  color: var(--champagne-dark);
  opacity: 0.9;
  flex: 1;
  animation: gbSuccessFade 0.4s ease;
}

@keyframes gbSuccessFade {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 0.9; transform: translateY(0); }
}

/* ─── Message cards ─────────────────────────────────────────── */
.gb-list {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.gb-card {
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(247, 231, 206, 0.1);
  border-radius: 4px;
  padding: var(--space-3) var(--space-3) var(--space-2);
  text-align: left;
  transition: border-color var(--transition-fast);
}

.gb-card:hover {
  border-color: rgba(247, 231, 206, 0.2);
}

.gb-card--new {
  animation: gbCardSlide 0.5s var(--ease-out-expo);
  border-color: rgba(247, 231, 206, 0.25);
}

@keyframes gbCardSlide {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.gb-card__quote {
  display: block;
  margin-bottom: var(--space-1);
  opacity: 0.5;
}

.gb-card__message {
  font-size: var(--text-base);
  color: var(--champagne);
  opacity: 0.88;
  line-height: 1.75;
  margin-bottom: var(--space-2);
  white-space: pre-wrap;
  word-break: break-word;
}

.gb-card__footer {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.gb-card__name {
  font-family: var(--font-names);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--champagne-dark);
}

.gb-card__date {
  font-size: var(--text-xs);
  color: rgba(247, 231, 206, 0.35);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ─── States ────────────────────────────────────────────────── */
.gb-empty,
.gb-loading {
  text-align: center;
  color: rgba(247, 231, 206, 0.4);
  font-size: var(--text-base);
  padding: var(--space-4) 0;
  font-style: italic;
}

.gb-loading {
  animation: gbPulse 1.4s ease-in-out infinite;
}

@keyframes gbPulse {
  0%, 100% { opacity: 0.4; }
  50%       { opacity: 0.8; }
}