/* album.css — Stage J "Global Campus" rewrite (PUBLIC_UI_DESIGN.md).
   ONE sheet for every album page (10 legacy gal-* + admin-created). Markup
   and lightbox behavior unchanged; paper canvas, gold-bar heading, card-style
   photo tiles, brand year-toggle pills. */

.gal-annual, .gal-sports, .gal-children, .gal-expo, .gal-independence,
.gal-teacher, .gal-grad, .gal-alumni, .gal-expressionz, .gal-spach {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.album-container {
  position: relative;
  min-height: 90vh;
  background: var(--sj-paper);
  padding-bottom: var(--sj-sec-pad);
}
.album-container h1 {
  font-family: var(--sj-font-head);
  font-size: clamp(30px, 4vw, 54px);
  font-weight: 400;
  padding: clamp(36px, 5vw, 56px) 20px 0;
  color: var(--sj-navy-dark);
  text-align: center;
  text-transform: capitalize;
}
.album-container h1::after {
  content: ""; display: block;
  width: 44px; height: 4px; border-radius: 2px;
  background: var(--sj-gold); margin: 14px auto 26px;
}

/* year toggles */
.album-container .btn-group {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 20px 26px;
}
.album-container .btn {
  font-family: var(--sj-font-body);
  font-weight: 600;
  background-color: transparent !important;
  border: 1.5px solid var(--sj-navy) !important;
  border-radius: var(--sj-r-btn) !important;
  color: var(--sj-navy) !important;
  text-decoration: none;
  transition: background var(--sj-t-fast) ease, color var(--sj-t-fast) ease;
}
.album-container .btn-check:checked + .btn {
  background-color: var(--sj-navy) !important;
  color: #fff !important;
}
.album-container .btn:hover {
  background-color: var(--sj-gold) !important;
  border-color: var(--sj-gold) !important;
  color: var(--sj-navy-dark) !important;
}

/* photo grid */
.album-container .image-container {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
  padding: 10px clamp(10px, 3vw, 40px);
}
.album-container .image-container .image {
  height: 250px;
  width: 350px;
  border-radius: 14px;
  box-shadow: var(--sj-shadow-1);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--sj-t-fast) ease, box-shadow var(--sj-t-fast) ease;
}
.album-container .image-container .image:hover {
  transform: translateY(-4px);
  box-shadow: var(--sj-shadow-2);
}
.album-container .image-container .image img {
  height: 100%;
  width: 100%;
  object-fit: cover;
  transition: transform var(--sj-t-med) var(--sj-ease);
}
.album-container .image-container .image:hover img { transform: scale(1.08); }

/* lightbox (markup + JS unchanged) */
.album-container .popup-image {
  position: fixed;
  top: 0; left: 0;
  background: rgba(10, 20, 38, .93);
  height: 100%;
  width: 100%;
  z-index: 2000;
  display: none;
  opacity: 0;
  transition: opacity .4s ease;
}
.album-container .popup-image.visible { opacity: 1; }
.album-container .popup-image span {
  position: absolute;
  top: 0; right: 14px;
  font-size: 56px;
  font-weight: bolder;
  color: #fff;
  cursor: pointer;
  z-index: 2000;
}
.album-container .popup-image span:hover { color: var(--sj-gold); }
.album-container .popup-image img {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border: 4px solid var(--sj-gold);
  border-radius: 14px;
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
}
.album-container .navigation-buttons {
  position: absolute;
  top: 50%;
  padding: 20px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  transform: translateY(-50%);
  z-index: 2000;
}
.album-container .navigation-buttons button {
  background: none !important;
  color: #fff;
  border: none !important;
  font-size: 56px;
  padding: 10px 20px;
  cursor: pointer;
  transition: color var(--sj-t-fast) ease;
}
.album-container .navigation-buttons button:hover { color: var(--sj-gold); }
@media (max-width: 768px) {
  .album-container .popup-image img { max-width: 80%; max-height: 80%; }
}