.reference-list {
  margin: 2rem auto;
  max-width: var(--desktop-max-width);
}

.reference-list-filters {
  display: flex;
  flex-flow: row wrap;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.filter-group {
  display: flex;
  flex-flow: row wrap;
  align-items: center;
  gap: 1rem;
  justify-content: center;
}

main .reference-list-filters .filter-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-color);
  font-family: var(--heading-font-family);
  text-align: center;
}

.category-select {
  padding: 0.5rem 2.5rem 0.5rem 1rem;
  background-color: var(--background-color-2);
  background-image: url("/icons/nav-arrow-down.svg");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 16px;
  border: none;
  border-radius: var(--border-radius);
  color: var(--text-color);
  font-size: 0.85rem;
  font-family: var(--heading-font-family);
  cursor: pointer;
  min-width: auto;
  transition: all 0.3s ease;
  appearance: none;
}

.category-select:hover {
  border-color: var(--link-hover-color);
}

.category-select:focus {
  outline: none;
  border-color: var(--link-hover-color);
  box-shadow: 0 0 0 2px rgb(64 110 12 / 10%);
}

.category-select option {
  background-color: var(--background-color-2);
  color: var(--text-color);
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-family: var(--heading-font-family);
  border-radius: var(--border-radius);
}

.category-select option:hover,
.category-select option:checked {
  background-color: var(--link-hover-color);
  color: var(--text-color);
}

.filter-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

.category-filter-button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--link-hover-color);
  border: none;
  border-radius: var(--border-radius);
  color: var(--text-color);
  font-size: 0.85rem;
  font-weight: 300;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--heading-font-family);
}

.category-filter-button:hover {
  opacity: 0.9;
}

.category-filter-button.active {
  background-color: var(--background-color-2);
  color: var(--text-color);
}

.category-filter-button .filter-icon {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text-color);
}

.category-filter-button.active .filter-icon {
  color: var(--link-hover-color);
}

.reference-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.reference-card {
  background-color: var(--background-color-2);
  border-radius: var(--border-radius);
  border: 1px solid #406e0c33;
  transition: all 0.3s ease;
  overflow: hidden;
  transform: scale(1);
  opacity: 0;
}

.reference-grid:has(.reference-card:hover) .reference-card:not(:hover) {
  transform: scale(0.9);
  opacity: 0.6;
}

.reference-card:hover {
  box-shadow: var(--shadow-xl);
  border-color: var(--link-hover-color);
  transform: scale(1.01);
  z-index: 10;
}

.reference-card .reference-link {
  display: flex;
  flex-direction: row;
  padding: 0;
  text-decoration: none;
  align-items: stretch;
  transition: all 0.5s ease-in-out;
}

.reference-card .reference-link a {
  color: inherit;
  transition: all 0.5s ease-in-out;
}

.reference-card .reference-link a:hover {
  color: var(--link-hover-color);
}

.reference-image-wrapper {
  width: 200px;
  min-width: 200px;
  height: 120px;
  overflow: hidden;
  background-color: var(--background-color);
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
}

.reference-card:hover .reference-image-wrapper {
  width: 220px;
  min-width: 220px;
}

.reference-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.reference-card:hover .reference-image {
  transform: scale(1.05);
}

.reference-content {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  flex: 1;
  justify-content: center;
  gap: 0.25rem;
}

.reference-link > .reference-title {
  padding: 0;
  margin-bottom: 0.5rem;
}

.reference-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.5rem 0 0;
}

.reference-link > .reference-tags {
  margin: 0.5rem 0 0;
}

.reference-link > .reference-description {
  padding: 0;
  margin: 0;
}

.reference-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--link-color);
  line-height: 1.3;
  transition: color 0.3s ease-in-out;
}

.reference-link:hover .reference-title {
  color: var(--text-color);
}

.reference-tag {
  display: inline-block;
  background-color: var(--link-hover-color);
  color: var(--text-color);
  text-transform: uppercase;
  font-family: var(--heading-font-family);
  box-shadow: var(--shadow-sm);
  padding: 0.25rem 0.5rem;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  line-height: 1.5;
  width: fit-content;
}

.reference-description {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--text-color, #666);
  transition: color 0.6s ease-in-out;
}

.show-more-container {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
  padding: 1rem 0;
}

.show-more-button {
  padding: 0.75rem 2rem;
  background-color: var(--link-hover-color);
  color: var(--text-color);
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--heading-font-family);
  cursor: pointer;
  transition: all 0.3s ease;
}

.show-more-button:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.reference-list-error {
  padding: 2rem;
  text-align: center;
  color: var(--error-color, #ef4444);
  background-color: var(--background-color-2);
  border-radius: var(--border-radius);
  border: 2px solid var(--error-color, #ef4444);
}

@keyframes fade-in-up {
  from {
    transform: translateY(20px);
  }

  to {
    transform: translateY(0);
  }
}

.reference-card.fade-in {
  opacity: 1;
  animation: fade-in-up 0.5s ease-out forwards;
}

/* Mobile responsive styles */
@media (max-width: 768px) {
  .reference-list-filters {
    justify-content: center;
    flex-direction: column;
  }

  .filter-group {
    width: 100%;
  }

  .filter-buttons {
    gap: 0.5rem;
    justify-content: center;
    width: 100%;
  }

  .category-filter-button {
    flex: 0 0 calc(50% - 0.25rem);
    max-width: calc(50% - 0.25rem);
    justify-content: center;
  }

  .reference-card .reference-link {
    flex-direction: column;
  }

  .reference-image-wrapper {
    width: 100%;
    min-width: 100%;
    aspect-ratio: 16 / 9;
  }

  .reference-card:hover .reference-image-wrapper {
    width: 100%;
    min-width: 100%;
  }

  .reference-card:hover {
    transform: scale(1);
  }

  .reference-grid:has(.reference-card:hover) .reference-card:not(:hover) {
    transform: scale(1);
    opacity: 1;
  }
}

@media (max-width: 768px) {
  .reference-list-tabs {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    max-width: 400px;
    margin: 0 auto;
    padding: 1rem;
  }

  .reference-list-tab {
    width: 100%;
    justify-content: center;
  }

  .reference-list-panel {
    padding: 1rem;
  }

  .reference-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .reference-link {
    padding: 1rem;
  }

  .reference-title {
    font-size: 1.1rem;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .reference-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}