.section__travelbook {
  --travelbook-card-size: 18rem;
  --travelbook-card-radius: 16px;
  --travelbook-card-border: var(--color-border);
  --travelbook-card-focus: var(--color-focus);
  --travelbook-card-shadow: var(--shadow-color);
  --travelbook-card-focus-ring: color-mix(in srgb, var(--color-focus) 28%, transparent);
  --travelbook-card-focus-shadow: color-mix(in srgb, var(--color-primary) 20%, transparent);
  --travelbook-card-title-shadow: var(--color-surface);
  --travelbook-card-text-shadow: var(--color-surface);
}

.section__travelbook .trip-card-group {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 1rem;
}

.section__travelbook .trip-card {
  position: relative;
  isolation: isolate;
  display: flex;
  flex: 0 1 var(--travelbook-card-size);
  flex-direction: column;
  width: min(100%, var(--travelbook-card-size));
  height: var(--travelbook-card-size);
  min-width: 0;
  overflow: hidden;
  color: var(--trip-card-text);
  background: var(--trip-card-bg);
  border: 1px solid var(--travelbook-card-border);
  border-radius: var(--travelbook-card-radius);
  box-shadow: 0 4px 14px var(--travelbook-card-shadow);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.section__travelbook .trip-card::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(180deg, var(--trip-card-overlay-top) 0%, var(--trip-card-overlay-middle) 42%, var(--trip-card-overlay-bottom) 100%);
  pointer-events: none;
}

.section__travelbook .trip-card:hover,
.section__travelbook .trip-card:focus-within {
  border-color: var(--travelbook-card-focus);
  box-shadow: 0 0 0 3px var(--travelbook-card-focus-ring), 0 14px 32px var(--travelbook-card-focus-shadow);
  transform: translateY(-2px);
}

.section__travelbook .trip-card-image {
  position: absolute;
  z-index: 0;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.section__travelbook .trip-card-overlay,
.section__travelbook .trip-card-body,
.section__travelbook .trip-card-footer {
  position: relative;
  z-index: 3;
}

.section__travelbook .trip-card-overlay {
  padding: 1rem 1rem 0.75rem;
  pointer-events: none;
}

.section__travelbook .trip-card-body {
  flex: 0 1 auto;
  margin-top: auto;
  padding: 1rem;
  overflow: hidden;
}

.section__travelbook .trip-card-footer {
  display: flex;
  justify-content: flex-end;
  min-height: 48px;
  padding: 0.55rem 0.75rem;
  background: var(--trip-card-footer);
  border-top: 1px solid var(--trip-card-footer-border);
  backdrop-filter: blur(6px);
}

.section__travelbook .trip-card-title {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  line-height: 1.25;
  color: var(--trip-card-text);
  text-shadow: 0 2px 8px var(--travelbook-card-title-shadow);
}

.section__travelbook .trip-card-subtitle {
  margin: 0.15rem 0 0;
  font-size: 0.8rem;
  line-height: 1.35;
  color: var(--trip-card-muted);
  text-shadow: 0 1px 6px var(--travelbook-card-title-shadow);
}

.section__travelbook .trip-card-text {
  margin: 0;
  color: var(--trip-card-text);
  font-size: 0.8rem;
  line-height: 1.5;
  text-shadow: 0 1px 6px var(--travelbook-card-text-shadow);
}

.section__travelbook .trip-card-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0 12px 1rem;
}

.section__travelbook .trip-card-group-title {
  margin: 0;
  padding: 0;
  color: var(--trip-surface-text);
  font-size: 1rem;
  line-height: 1.2;
}

.section__travelbook .trip-card-group-title:empty {
  display: none;
}

.section__travelbook .trip-card-group-add {
  flex: 0 0 auto;
}

.section__travelbook .section-content {
  justify-content: center;
  padding: 12px;
}

.section__travelbook-card.trip-card {
  min-width: 0;
  max-width: var(--travelbook-card-size);
}

.section__travelbook-card .trip-card-text.text-preview {
  display: -webkit-box;
  max-height: 4.5em;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.section__travelbook-card .trip-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.45rem;
  color: var(--trip-card-link);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  border-radius: 6px;
}

.section__travelbook-card .trip-card-link:hover {
  color: var(--trip-card-link);
  text-decoration: none;
}

.section__travelbook-card .trip-card-link:focus-visible {
  color: var(--trip-card-link);
  outline: 2px solid var(--travelbook-card-focus);
  outline-offset: 2px;
}

.travel-diary-modal .modal-dialog {
  width: min(92vw, 36rem);
}

.travel-diary-modal .travel-diary-form,
.travel-diary-modal .modal-body {
  min-width: 0;
}

.travel-diary-modal .trip-form-field:first-child {
  margin-top: 0;
}

.travel-diary-form-error {
  margin: 0.75rem 0 0;
  color: var(--color-danger, #b91c1c);
}

@media (max-width: 420px) {
  .section__travelbook {
    --travelbook-card-size: min(18rem, calc(100vw - 2rem));
  }
}

@media (prefers-reduced-motion: reduce) {
  .section__travelbook .trip-card {
    transition: none;
  }

  .section__travelbook .trip-card:hover,
  .section__travelbook .trip-card:focus-within {
    transform: none;
  }
}