/* Tudo fica restrito às galerias criadas pela chave data-arena-galleries. */
.arena-gallery {
  --gallery-height: clamp(240px, calc(100svh - 440px), 560px);
  --gallery-paper: #e8dfcd;
  width: 100%; min-width: 0; max-width: 900px; justify-self: center;
  position: relative; isolation: isolate;
}
.arena-tour[data-slides-ready=true] .arena-gallery { width: 100%; max-width: 900px; margin: 0; }
.gallery-topline {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px;
  font-size: .75rem; color: var(--gold); letter-spacing: .08em; text-transform: uppercase;
}
.gallery-edition { opacity: .6; white-space: nowrap; }
.gallery-playback {
  flex: 0 0 auto; min-height: 28px; padding: 4px 8px;
  border: 1px solid var(--line); border-radius: 2px; background: transparent;
  color: var(--gold); font: inherit; font-size: .6875rem; letter-spacing: .04em;
  transition: color .3s ease, border-color .3s ease, background .3s ease;
}
.gallery-playback:not(:disabled):is(:hover,:focus-visible) { border-color: var(--gold); background: #b69b721c; }
.gallery-playback:disabled { opacity: .65; cursor: default; }
.arena-gallery :is(.gallery-playback,.gallery-thumbnail,.gallery-arrow):focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.gallery-stage { height: var(--gallery-height); position: relative; isolation: isolate; touch-action: pan-y pinch-zoom; user-select: none; }
.gallery-panel {
  position: absolute; inset: 0; z-index: 3; overflow: hidden;
  border: 1px solid var(--line); background: #211d17;
}
.arena-gallery :is(.gallery-image,.gallery-ghost-image) { display: block; width: 100%; height: 100%; object-fit: contain; object-position: center; scale: 1; pointer-events: none; }
.gallery-outgoing { z-index: 5; pointer-events: none; }
.gallery-caption { margin: 10px 0 8px; min-height: 2.8em; font-size: .875rem; line-height: 1.4; color: var(--muted); }
.gallery-controls { display: flex; align-items: center; gap: 12px; min-height: 54px; }
.gallery-arrow {
  display: grid; place-items: center; flex: 0 0 44px; height: 44px;
  border: 1px solid var(--line); border-radius: 50%; color: var(--ink); background: transparent; font-size: 1.35rem;
  transition: background .2s, border-color .2s;
}
.gallery-arrow:disabled { opacity: .28; cursor: default; }
.gallery-arrow:not(:disabled):is(:hover,:focus-visible) { border-color: var(--gold); background: #b69b721c; }
.gallery-thumbnails { display: flex; gap: 8px; min-width: 0; flex: 1 1 auto; overflow-x: auto; padding: 4px; scrollbar-width: thin; }
.gallery-thumbnail {
  flex: 0 0 64px; height: 46px; position: relative; overflow: hidden;
  padding: 0; border: 1px solid transparent; background: #211d17; opacity: .55; transition: opacity .35s ease, border-color .35s ease;
}
.gallery-thumbnail img { height: 100%; width: 100%; object-fit: cover; pointer-events: none; }
.gallery-thumbnail span { position: absolute; bottom: 0; right: 0; padding: 0 4px; font-size: .625rem; background: #211d17df; color: #fff; }
.gallery-thumbnail[aria-pressed=true], .gallery-thumbnail:is(:hover,:focus-visible) { border-color: var(--gold); opacity: 1; }
.gallery-counter { font-size: .75rem; white-space: nowrap; color: var(--gold); font-variant-numeric: tabular-nums; }
.gallery-peek { display: none; }
.gallery-flash { position: absolute; inset: 0; opacity: 0; background: #fff4dc; z-index: 7; pointer-events: none; }
.gallery-shutter { position: absolute; inset: 0; z-index: 4; width: 100%; height: 100%; border: 0; background: transparent; }
.arena-gallery[aria-busy=true] .gallery-counter { opacity: .5; }
.arena-gallery[data-gallery-gesture=horizontal] .gallery-stage { cursor: grabbing; }
.gallery-stage { cursor: grab; }
.gallery-peek img { height: 100%; width: 100%; object-fit: cover; pointer-events: none; }

/* Auditório: sequência cinematográfica, sem máscara cortando o encontro. */
.arena-gallery[data-gallery=cinema] .gallery-panel { border-block: 6px solid #16130f; border-inline: 1px solid var(--line); }
.arena-gallery[data-gallery=cinema] .gallery-thumbnail { border-block: 4px solid #16130f; }
.arena-gallery[data-gallery=cinema] .gallery-topline { border-bottom: 1px solid var(--line); padding-bottom: 8px; }

/* Rua: a borda da próxima vista convida a continuar o passeio. */
.arena-gallery[data-gallery=street] .gallery-panel { right: 40px; }
.arena-gallery[data-gallery=street] .gallery-peek[data-peek="1"] {
  display: block; position: absolute; inset: 12px 0 12px auto; width: 90px;
  border: 1px solid var(--line); padding: 0; background: var(--bg); opacity: .6; z-index: 1;
}
.arena-gallery[data-gallery=street] .gallery-peek[data-peek="1"]:is(:hover,:focus-visible) { opacity: 1; }

/* Arquivo de salas e mesa de polaroids: folhas reais da interface, não filtros na foto. */
.arena-gallery:is([data-gallery=files],[data-gallery=polaroid]) .gallery-stage { margin-inline: 14px; }
.arena-gallery:is([data-gallery=files],[data-gallery=polaroid]) .gallery-panel {
  inset: 14px 16px 12px 0; padding: 10px 10px 22px;
  border: 0; background: var(--gallery-paper); box-shadow: 0 10px 20px #0004;
}
.arena-gallery:is([data-gallery=files],[data-gallery=polaroid]) .gallery-peek {
  display: block; position: absolute; inset: 12px 4px 18px 10px; padding: 10px 10px 22px;
  background: #c8bea9; border: 1px solid #b69b72; transform: rotate(2deg); z-index: 2;
}
.arena-gallery:is([data-gallery=files],[data-gallery=polaroid]) .gallery-peek[data-peek="2"] { inset: 9px 0 22px 16px; transform: rotate(-2deg); z-index: 1; }
.arena-gallery:is([data-gallery=files],[data-gallery=polaroid]) .gallery-peek img { opacity: .35; }
.arena-gallery[data-gallery=polaroid] .gallery-panel { rotate: -1.5deg; padding-bottom: 30px; }
.arena-gallery[data-gallery=polaroid] .gallery-caption { font-family: var(--serif); font-size: 1.125rem; text-align: center; line-height: 1.3; min-height: 2.6em; }
.arena-gallery[data-gallery=files] .gallery-topline { border-left: 3px solid var(--gold); padding-left: 10px; }

/* Caderno: margem de encadernação, sem deformar a fotografia. */
.arena-gallery[data-gallery=notebook] .gallery-panel { background: var(--gallery-paper); padding: 12px 12px 12px 24px; border-left: 4px double #897453; }
.arena-gallery[data-gallery=notebook] .gallery-caption { border-bottom: 1px solid var(--line); padding-bottom: 8px; }

/* Podcast: quadros de tomadas, com as ondas existentes fora da galeria. */
.arena-gallery[data-gallery=takes] { max-width: 906px; }
.arena-gallery[data-gallery=takes] .gallery-panel { padding: 12px 0; border-block: 5px double var(--line); }
.arena-gallery[data-gallery=takes] .gallery-thumbnail span { inset: auto 0 0; text-align: center; letter-spacing: .12em; }

/* Escritório e Workspace: prioridade à arquitetura e à foto completa. */
.arena-gallery[data-gallery=office] .gallery-panel { background: transparent; border: 0; }
.arena-gallery[data-gallery=office] .gallery-controls { border-top: 1px solid var(--line); padding-top: 8px; }
.arena-gallery[data-gallery=windows] .gallery-panel { background: #211d1770; border-radius: 0; }
.arena-gallery[data-gallery=windows] .gallery-topline { letter-spacing: .12em; }

/* Pub: álbum escuro, borda dourada e movimento mais demorado. */
.arena-gallery[data-gallery=album] .gallery-panel { padding: 12px; border: 1px solid #b69b7266; outline: 1px solid #b69b7222; outline-offset: -6px; background: #201911; }
.arena-gallery[data-gallery=album] .gallery-caption { font-family: var(--serif); font-size: 1.125rem; }

@media (min-width: 768px) {
  .gallery-playback { display: none; }
}
@media (min-width: 1100px) {
  .arena-tour[data-slides-ready=true] .arena-auditorium .arena-gallery { --gallery-height: clamp(300px, calc(100svh - 280px), 620px); }
}
@media (max-width: 767px) {
  .arena-gallery { --gallery-height: clamp(230px, 70vw, 400px); }
  .gallery-edition { display: none; }
  .gallery-controls { gap: 8px; }
  .gallery-counter { display: none; }
  .gallery-thumbnail { flex-basis: 54px; }
  .arena-gallery:is([data-gallery=files],[data-gallery=polaroid]) .gallery-stage { margin-inline: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  .arena-gallery *, .arena-gallery *::before, .arena-gallery *::after { transition: none !important; animation: none !important; }
}
@media print {
  .gallery-controls, .gallery-peek, .gallery-shutter, .gallery-flash, .gallery-playback { display: none !important; }
  .gallery-panel { rotate: none !important; box-shadow: none; }
}