/* =========================================
   Gallery index page
========================================= */
.gallery-index-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--color-bg);
}

.gallery-index-page__main {
  flex: 1;
  padding: 0 var(--page-gutter) 48px;
}

.gallery-index-page__shell {
  padding: 32px 40px 40px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
}

.gallery-index-page__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

.gallery-index-page__title-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  min-width: 0;
}

.gallery-index-page__back {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text);
  text-decoration: none;
  transition:
    color var(--motion-duration-fast) var(--motion-ease),
    transform var(--motion-duration) var(--motion-ease);
}

.gallery-index-page__back:hover {
  color: var(--color-accent);
  transform: translateX(-3px);
}

.gallery-index-page__back:active {
  transform: translateX(0);
}

.gallery-index-page__title {
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.gallery-index-page__years {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

/* Year tabs (toggled by js/gallery-tabs.js) */
.gallery-index-page__year {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  border: 1px solid rgba(22, 22, 22, 0.12);
  border-radius: var(--radius-pill);
  background: var(--color-white);
  color: var(--color-text);
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  user-select: none;
  transition:
    background var(--motion-duration-fast) var(--motion-ease),
    color var(--motion-duration-fast) var(--motion-ease),
    border-color var(--motion-duration-fast) var(--motion-ease),
    transform var(--motion-duration) var(--motion-ease),
    box-shadow var(--motion-duration) var(--motion-ease);
}

.gallery-index-page__year:hover {
  border-color: rgba(22, 22, 22, 0.25);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(22, 22, 22, 0.08);
}

.gallery-index-page__year:active {
  transform: translateY(0);
}

.gallery-index-page__year:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.gallery-index-page__year.is-active {
  border-color: var(--color-text);
  background: var(--color-text);
  color: var(--color-white);
}

.gallery-index-page__grid {
  display: none;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.gallery-index-page__grid.is-active {
  display: grid;
}

/* Gallery folder card */
.gallery-folder-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-white);
  text-decoration: none;
  color: inherit;
  transition:
    transform var(--motion-duration) var(--motion-ease),
    box-shadow var(--motion-duration) var(--motion-ease);
}

.gallery-folder-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(22, 22, 22, 0.08);
}

.gallery-folder-card:active {
  transform: translateY(0);
  transition-duration: 0.1s;
}

.gallery-folder-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.gallery-folder-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-folder-card__body {
  padding: 20px 22px 22px;
}

.gallery-folder-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.gallery-folder-card__city {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.gallery-folder-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  background: var(--color-text);
  color: var(--color-white);
  border-radius: 50%;
  transition: transform var(--motion-duration) var(--motion-ease);
}

.gallery-folder-card:hover .gallery-folder-card__icon {
  transform: translate(3px, -3px);
}

.gallery-folder-card__icon svg {
  width: 14px;
  height: 14px;
}

.gallery-folder-card__date {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.3;
  color: rgba(22, 22, 22, 0.45);
}

@media (max-width: 1200px) {
  .gallery-index-page__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .gallery-index-page__shell {
    padding: 28px 24px 32px;
  }
  .gallery-index-page__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (max-width: 768px) {
  .gallery-index-page__main {
    padding: 0 var(--page-gutter) 32px;
  }
  .gallery-index-page__shell {
    padding: 24px 16px 28px;
    border-radius: var(--radius-mobile-block);
  }
  .gallery-index-page__head {
    margin-bottom: 24px;
  }
  .gallery-index-page__grid {
    grid-template-columns: 1fr;
  }
  .gallery-folder-card {
    border-radius: var(--radius-mobile-block);
  }
  .gallery-folder-card__media {
    border-radius: var(--radius-mobile-block) var(--radius-mobile-block) 0 0;
  }
  .gallery-folder-card__body {
    padding: 16px 18px 18px;
  }
  .gallery-folder-card__city {
    font-size: 20px;
  }
}

/* =========================================
   Gallery photo page (city album)
========================================= */
.gallery-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--color-bg);
}

.gallery-page__main {
  flex: 1;
  padding-bottom: 48px;
}

.gallery-page__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 32px 0 20px;
}

.gallery-page__back {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text);
  text-decoration: none;
  transition:
    color var(--motion-duration-fast) var(--motion-ease),
    transform var(--motion-duration) var(--motion-ease);
}

.gallery-page__back:hover {
  color: var(--color-accent);
  transform: translateX(-3px);
}

.gallery-page__back:active {
  transform: translateX(0);
}

.gallery-page__title {
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.gallery-page__content {
  padding-bottom: 16px;
}

/* CSS masonry-like grid for photo album.
   Photos are arranged in columns with column-count for asymmetric look. */
.gallery-album {
  width: 100%;
  column-count: 4;
  column-gap: 10px;
}

.gallery-album__item {
  display: block;
  width: 100%;
  margin: 0 0 10px;
  break-inside: avoid;
  border: none;
  padding: 0;
  background: #e8e8e8;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: zoom-in;
  text-decoration: none;
  color: inherit;
  transition: transform var(--motion-duration) var(--motion-ease);
}

.gallery-album__item:hover {
  transform: scale(1.02);
}

.gallery-album__item:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.gallery-album__image {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: opacity var(--motion-duration-fast) ease;
}

.gallery-album__item:hover .gallery-album__image {
  opacity: 0.92;
}

.city-album__empty {
  margin: 0;
  padding: 32px;
  font-size: 16px;
  line-height: 1.5;
  color: rgba(22, 22, 22, 0.7);
  text-align: center;
}

.city-album__empty a {
  color: var(--color-accent);
  text-decoration: underline;
}

@media (max-width: 900px) {
  .gallery-album {
    column-count: 3;
  }
}

@media (max-width: 520px) {
  .gallery-album {
    column-count: 2;
    column-gap: 8px;
  }
  .gallery-album__item {
    margin-bottom: 8px;
    border-radius: var(--radius-mobile-card);
  }
}

@media (max-width: 768px) {
  .gallery-page__head {
    padding: 24px 0 20px;
  }
  .gallery-album__item {
    border-radius: var(--radius-mobile-card);
  }
}