.itinerary-catalog {
  padding-block: 3.5rem 6.75rem;
}

.itinerary-catalog__layout {
  width: min(calc(100% - 2rem), 82.5rem);
  display: grid;
  grid-template-columns: 15.375rem minmax(0, 1fr);
  gap: clamp(1.75rem, 3.3vw, 3.2rem);
  align-items: start;
}

.itinerary-filters { min-width: 0; }
.itinerary-filters__details {
  position: sticky;
  top: 1.5rem;
  border: 1px solid var(--color-line);
  background: var(--color-white);
}

.itinerary-filters__details::before {
  display: block;
  height: 0.25rem;
  background: var(--color-brand-strong);
  content: "";
}

.itinerary-filters summary { display: none; }
.itinerary-filters form { padding: 1.45rem; }
.itinerary-filters__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--color-line);
}

.itinerary-filters__head span {
  font: 700 0.65rem/1.3 "Source Sans 3", sans-serif;
  letter-spacing: 0.13em;
}

.itinerary-filters__head a {
  color: var(--color-ink);
  font-size: 0.75rem;
  text-underline-offset: 0.2rem;
}

.itinerary-filters fieldset {
  padding: 1.25rem 0 1.3rem;
  margin: 0;
  border: 0;
  border-bottom: 1px solid var(--color-line);
}

.itinerary-filters legend {
  display: flex;
  width: 100%;
  justify-content: space-between;
  padding-top: 1.15rem;
  font-weight: 700;
}

.itinerary-filters legend small {
  align-self: center;
  color: var(--color-ink-muted);
  font: 700 0.65rem/1.4 "Source Sans 3", sans-serif;
  letter-spacing: 0.1em;
}

.itinerary-filters__option {
  display: flex;
  min-height: 2.2rem;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.82rem;
  cursor: pointer;
}

.itinerary-filters__option:hover { color: var(--color-ink); }
.itinerary-filters__option input {
  width: 1rem;
  height: 1rem;
  flex: none;
  margin: 0;
  accent-color: var(--color-ink);
}

.itinerary-filters__area-dot {
  width: 0.55rem;
  height: 0.55rem;
  flex: none;
  border-radius: 50%;
  background: var(--area-color, var(--color-brand));
}

.itinerary-filters__submit {
  width: 100%;
  min-height: 2.5rem;
  margin-top: 1.2rem;
  border: 0;
  background: var(--color-brand-strong);
  color: var(--color-white);
  font-size: 0.8rem;
  font-weight: 700;
}

.itinerary-filters__submit:hover { background: var(--color-yulan); }
.itinerary-results { min-width: 0; }
.itinerary-results__toolbar {
  display: flex;
  min-height: 2rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
}

.itinerary-results__toolbar p { margin: 0; font-size: 0.88rem; font-weight: 700; }
.itinerary-results__toolbar strong {
  color: var(--color-ink);
  font: 700 1.25rem/1 "Source Sans 3", sans-serif;
}
.itinerary-results__toolbar > span {
  color: var(--color-ink-muted);
  font-size: 0.76rem;
  white-space: nowrap;
}

.itinerary-results__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: -0.2rem 0 1rem;
}

.itinerary-results__chips a {
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--color-line);
  background: var(--color-white);
  font-size: 0.72rem;
  text-decoration: none;
}

.itinerary-results__chips a:hover { border-color: var(--color-ink); }
.itinerary-catalog .itinerary-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.itinerary-catalog .trip-card--catalog,
.itinerary-catalog .trip-card--catalog:first-child {
  min-height: 0;
  grid-column: auto;
  border-radius: 0.45rem;
  background: var(--color-white);
  transition: transform var(--transition), box-shadow var(--transition);
}

.itinerary-catalog .trip-card--catalog:hover,
.itinerary-catalog .trip-card--catalog:focus-within {
  transform: translateY(-0.2rem);
  box-shadow: var(--shadow-card);
}

.itinerary-catalog .trip-card--catalog .trip-card__link {
  display: flex;
  height: 100%;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
}

.itinerary-catalog .trip-card--catalog .trip-card__visual {
  height: clamp(10rem, 15vw, 12.9rem);
  min-height: 0;
  flex: none;
  border-radius: 0;
}

.itinerary-catalog .trip-card__visual--art {
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--tag-color, var(--color-brand)) 14%, var(--color-paper));
}

.itinerary-catalog .trip-card__visual--art::before {
  position: absolute;
  width: 12.7rem;
  height: 12.7rem;
  border: 1px solid rgb(75 76 75 / 12%);
  border-radius: 50%;
  content: "";
}

.itinerary-catalog .trip-card__visual--art::after {
  position: absolute;
  bottom: 0.8rem;
  left: 0.9rem;
  color: rgb(75 76 75 / 45%);
  content: "SHINONGZHI / SANXING";
  font: 700 0.55rem/1 "Source Sans 3", sans-serif;
  letter-spacing: 0.14em;
}

.itinerary-catalog .trip-card__visual--art img {
  width: 89%;
  height: 88%;
  object-fit: contain;
}

.trip-card__pin {
  position: absolute;
  z-index: 1;
  top: 0.7rem;
  left: 0.7rem;
  padding: 0.35rem 0.6rem;
  background: var(--color-brand-strong);
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: 700;
}

.trip-card__pin span { margin-right: 0.2rem; color: var(--color-paper); }
.itinerary-catalog .trip-card--catalog .trip-card__body {
  display: flex;
  min-height: 10.2rem;
  flex: 1;
  flex-direction: column;
  padding: 0.95rem 1rem 0.85rem;
}

.itinerary-catalog .trip-card--catalog .trip-card__meta {
  min-height: 1.35rem;
  margin-bottom: 0;
  gap: 0.5rem;
  color: var(--color-ink);
  flex-wrap: wrap;
}

.trip-card__region {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 700;
  white-space: nowrap;
}

.trip-card__region::before {
  width: 0.35rem;
  height: 0.8rem;
  background: var(--tag-color, var(--color-brand));
  content: "";
}

.trip-card__category {
  display: inline-flex;
  min-width: 7rem;
  min-height: 2.4rem;
  align-items: center;
  justify-content: center;
  padding: 0.4rem 1.15rem;
  background: url("../../media/itinerary-category-wood-slice.webp") center / 100% 100% no-repeat;
  color: var(--color-brand-strong);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.itinerary-results { overflow-anchor: none; transition: opacity .15s ease; }
.itinerary-results[aria-busy="true"] { opacity: .6; }
.itinerary-filter-feedback { margin: 1rem 0 0; color: var(--color-ink); font-size: .85rem; line-height: 1.6; }
@media (prefers-reduced-motion: reduce) {
  .itinerary-results { transition: none; }
}

.itinerary-catalog .trip-card--catalog h3 {
  display: -webkit-box;
  overflow: hidden;
  margin: 0.45rem 0 0.2rem;
  font-size: clamp(0.95rem, 1.25vw, 1.1rem);
  line-height: 1.5;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.itinerary-catalog .trip-card--catalog p {
  display: -webkit-box;
  overflow: hidden;
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 0.875rem;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.trip-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 0.5rem;
  color: var(--color-ink);
  font-size: 0.875rem;
  font-weight: 700;
}

.trip-card__arrow {
  display: grid;
  width: 1.55rem;
  height: 1.55rem;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font: 700 0.95rem/1 "Source Sans 3", sans-serif;
}

.trip-card--catalog:hover .trip-card__arrow {
  background: var(--color-yulan);
  color: var(--color-white);
}

.itinerary-results__empty {
  padding: 5rem 1.5rem;
  border: 1px dashed var(--color-line);
  background: var(--color-white);
  text-align: center;
}

.itinerary-results__empty h2 { margin-bottom: 0.5rem; font-size: var(--step-2); }
.itinerary-results__empty p { color: var(--color-ink-muted); }
.itinerary-results__empty a { color: var(--color-ink); font-weight: 700; }
.itinerary-results .pagination { margin-top: 2rem; }
.itinerary-results .pagination .nav-links {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}

.itinerary-results .pagination .page-numbers {
  display: grid;
  min-width: 2.2rem;
  min-height: 2.2rem;
  place-items: center;
  border: 1px solid var(--color-line);
  background: var(--color-white);
  font-size: 0.85rem;
  text-decoration: none;
}

.itinerary-results .pagination .current {
  border-color: var(--color-ink);
  background: var(--color-brand-strong);
  color: var(--color-white);
}

@media (max-width: 1130px) {
  .itinerary-catalog__layout { grid-template-columns: 13.9rem minmax(0, 1fr); gap: 1.7rem; }
  .itinerary-catalog .itinerary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 850px) {
  .itinerary-catalog__layout { grid-template-columns: 1fr; gap: 1.1rem; }
  .itinerary-filters__details { position: static; }
  .itinerary-filters__details::before { display: none; }
  .itinerary-filters summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.1rem;
    cursor: pointer;
    font-weight: 700;
    list-style: none;
  }
  .itinerary-filters summary::-webkit-details-marker { display: none; }
  .itinerary-filters summary span { font-size: 1.25rem; line-height: 1; }
  .itinerary-filters form { padding: 0 1.1rem 1.1rem; }
  .itinerary-filters fieldset { display: inline-block; width: 49%; vertical-align: top; border-bottom: 0; }
  .itinerary-filters fieldset + fieldset { padding-left: 1.25rem; }
}

@media (max-width: 639px) {
  .itinerary-catalog { padding-block: 2.3rem 4rem; }
  .itinerary-filters fieldset { display: block; width: 100%; border-bottom: 1px solid var(--color-line); }
  .itinerary-filters fieldset + fieldset { padding-left: 0; }
  .itinerary-catalog .itinerary-grid { grid-template-columns: 1fr; }
  .itinerary-catalog .trip-card--catalog .trip-card__visual { height: clamp(11.5rem, 56vw, 15.5rem); }
  .itinerary-catalog .trip-card--catalog h3 { font-size: 1.1rem; }
}

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