.conference-gallery { color: #102d44; padding-bottom: 40px; }
.gallery-introduction { max-width: 780px; margin: 40px auto; padding: 30px 0; border-top: 1px solid #bc9346; border-bottom: 1px solid #bc9346; }
.gallery-introduction h1, .gallery-day-heading h2 { font-family: Georgia, serif; text-transform: none; letter-spacing: 0; }
.gallery-introduction p { line-height: 1.8; }
.gallery-day { margin-bottom: 45px; }
.gallery-day-heading { scroll-margin-top: 95px; background: #102d44; border-top: 3px solid #bc9346; padding: 28px 32px; color: #fff; }
.gallery-day-heading .exhibition-eyebrow { color: #efd199; }
.gallery-day-heading h2 { color: #fff; margin: 10px 0; font-size: 30px; }
.gallery-day-heading p:last-child { margin-bottom: 0; }
.gallery-empty { padding: 28px 32px; background: #f1f4f6; color: #526370; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 22px; align-items: start; }
.gallery-photo { margin: 0; position: relative; }
.gallery-download { position: absolute; top: 10px; right: 10px; display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 4px; background: #102d44; color: #fff; }
.gallery-download:hover, .gallery-download:focus { color: #fff; background: #244c68; }
.gallery-dialog-download { padding: 9px 14px; border: 1px solid #718797; border-radius: 3px; color: #fff; background: #203c50; white-space: nowrap; }
.gallery-dialog-download:hover, .gallery-dialog-download:focus { color: #fff; background: #34566e; }
.gallery-dialog-download[hidden] { display: none; }
.gallery-open { display: block; position: relative; background: #f1f4f6; }
.gallery-open img { display: block; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: contain; }
.gallery-enlarge { position: absolute; right: 10px; bottom: 10px; padding: 6px 10px; background: #102d44; color: #fff; font-size: 12px; }
.gallery-open:hover .gallery-enlarge { background: #244c68; }
.conference-gallery a:focus-visible, .gallery-dialog button:focus-visible, .gallery-dialog a:focus-visible { outline: 3px solid #bc9346; outline-offset: 4px; }
.gallery-dialog { position: fixed; inset: 0; width: 94vw; max-width: 1600px; height: 92vh; height: 92dvh; max-height: 94%; padding: 0; border: 0; border-radius: 6px; background: #10202c; color: #fff; }
.gallery-dialog[open] { display: flex; flex-direction: column; }
.gallery-dialog::backdrop { background: rgba(7, 20, 30, .88); }
.gallery-toolbar, .gallery-controls { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 20px; }
.gallery-toolbar h2 { margin: 0; color: #fff; font-size: 16px; line-height: 1.5; text-transform: none; letter-spacing: 0; }
.gallery-toolbar { flex-wrap: wrap; }
.gallery-toolbar h2 { flex: 1 1 220px; }
.gallery-dialog button { padding: 9px 14px; border: 1px solid #718797; border-radius: 3px; color: #fff; background: #203c50; cursor: pointer; }
.gallery-dialog button:hover { background: #34566e; }
.gallery-dialog button:disabled { opacity: .4; cursor: default; }
.gallery-stage { display: flex; flex: 1; min-height: 0; align-items: center; justify-content: center; padding: 0 16px; }
.gallery-stage img { width: 100%; height: 100%; object-fit: contain; }
.gallery-counter { white-space: nowrap; font-size: 13px; }
@media (max-width: 767px) {
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .gallery-day-heading { padding: 22px; }
  .gallery-day-heading h2 { font-size: 25px; }
  .gallery-toolbar, .gallery-controls { padding: 12px; }
  .gallery-stage { padding: 0 8px; }
}
@media (max-width: 420px) {
  .gallery-grid { grid-template-columns: 1fr; }
}

summary.gallery-day-heading { display: block; position: relative; cursor: pointer; list-style: none; padding-right: 80px; }
summary.gallery-day-heading::-webkit-details-marker { display: none; }
summary.gallery-day-heading:focus-visible { outline: 3px solid #bc9346; outline-offset: 4px; }
.gallery-day-heading .exhibition-eyebrow { display: block; }
.gallery-day-toggle { position: absolute; right: 28px; top: 50%; transform: translateY(-50%); font-size: 32px; line-height: 1; color: #efd199; }
.gallery-day-toggle::before { content: "+"; }
.gallery-day[open] .gallery-day-toggle::before { content: "−"; }