:root {
  color-scheme: dark;
  --ink: #fffaf1;
  --muted: #cabdaa;
  --line: rgba(255, 250, 241, 0.28);
  --panel: rgba(23, 19, 15, 0.92);
  --gold: #c7a45d;
}

html[dir="rtl"] body {
  direction: rtl;
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
}

html[dir="rtl"] .gallery-toolbar,
html[dir="rtl"] .gallery-guide,
html[dir="rtl"] .gallery-video-controls,
html[dir="rtl"] .gallery-audio-controls {
  text-align: right;
}

* {
  box-sizing: border-box;
}

.artdaci-install-button {
  position: fixed;
  right: max(12px, env(safe-area-inset-right));
  bottom: max(64px, env(safe-area-inset-bottom));
  z-index: 40;
  border: 1px solid var(--room-menu-gold, #c7a45d);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--room-menu-text, #fffaf1);
  background: rgba(23, 19, 15, .88);
  font: 700 11px/1 Inter, sans-serif;
  cursor: pointer;
}

.artdaci-install-button[hidden] { display: none; }

html,
body,
.gallery-shell,
#gallery-stage {
  width: 100%;
  min-height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  color: var(--ink);
  background: #11100e;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}

body[data-experience="gallery"] .gallery-video-controls {
  display: none;
}

.gallery-shell,
#gallery-stage {
  width: 100vw;
  height: 100vh;
}

#gallery-stage canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.screen-navigation {
  position: fixed;
  right: max(14px, env(safe-area-inset-right));
  bottom: max(14px, env(safe-area-inset-bottom));
  z-index: 15;
  display: grid;
  justify-items: center;
  gap: 4px;
  opacity: .62;
  transition: opacity .2s ease;
  direction: ltr;
  touch-action: none;
}

.screen-navigation:hover,
.screen-navigation:focus-within { opacity: 1; }
.screen-navigation div { display: flex; gap: 4px; }
.screen-navigation .screen-turn-controls { margin-top: 4px; }
.screen-navigation .screen-turn-controls button {
  border-color: rgba(199, 164, 93, .72);
  color: #ffe2a3;
  background: rgba(67, 43, 26, .92);
}
.screen-navigation button {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255,255,255,.55);
  border-radius: 9px;
  color: #fff;
  background: rgba(14,20,26,.58);
  font-size: 15px;
  cursor: pointer;
  backdrop-filter: blur(8px);
}

.gallery-ui-toggle {
  position: fixed;
  top: max(10px, env(safe-area-inset-top));
  right: max(10px, env(safe-area-inset-right));
  z-index: 30;
  border: 1px solid rgba(255,255,255,.42);
  border-radius: 999px;
  padding: 8px 12px;
  color: #fff;
  background: rgba(14,18,22,.68);
  font: 700 12px/1 Inter, ui-sans-serif, system-ui, sans-serif;
  cursor: pointer;
  backdrop-filter: blur(10px);
}

body.screen-ui-collapsed .gallery-toolbar,
body.screen-ui-collapsed .gallery-guide,
body.screen-ui-collapsed .virtual-guide {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-18px);
}

.gallery-toolbar,
.gallery-guide,
.virtual-guide {
  transition: opacity .22s ease, transform .22s ease, visibility .22s;
}

/* Keep the optional AI guide discoverable without covering the experience. */
.virtual-guide:not([open]) {
  width: auto;
  max-width: min(230px, calc(100vw - 32px));
  opacity: .76;
}

.virtual-guide:not([open]):hover,
.virtual-guide:not([open]):focus-within { opacity: 1; }

.virtual-guide:not([open]) summary {
  padding: 8px 11px;
  font-size: 12px;
}
.screen-navigation button:active { background: #276a7e; transform: scale(.96); }
.screen-navigation span {
  padding: 4px 7px;
  border-radius: 6px;
  color: #fff;
  background: rgba(0,0,0,.58);
  font-size: 11px;
}

.gallery-toolbar,
.gallery-guide {
  position: fixed;
  z-index: 2;
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(12px);
}

.gallery-toolbar {
  top: 16px;
  left: 16px;
  right: 16px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
  padding: 14px;
}

.gallery-toolbar p,
.gallery-toolbar h1 {
  margin: 0;
}

#gallery-kicker {
  color: var(--gold);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.gallery-toolbar h1 {
  margin-top: 3px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(25px, 4vw, 44px);
  font-weight: 500;
}

#gallery-instructions {
  margin-top: 5px;
  color: var(--muted);
  font-size: 14px;
}

.gallery-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid var(--line);
  padding: 9px 13px;
  color: var(--ink);
  background: #211c17;
  cursor: pointer;
  font: inherit;
  text-decoration: none;
}

.gallery-button.primary {
  border-color: #6f4e12;
  color: #171310;
  background: var(--gold);
  font-weight: 800;
}

.gallery-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.gallery-toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

#gallery-language-switch {
  min-width: 88px;
}

.gallery-guide {
  left: 16px;
  bottom: 16px;
  display: grid;
  gap: 3px;
  max-width: min(560px, calc(100vw - 32px));
  padding: 12px 15px;
}

.gallery-guide span {
  color: var(--muted);
  font-size: 13px;
}

.virtual-guide {
  position: fixed;
  z-index: 3;
  right: 16px;
  bottom: 16px;
  width: min(360px, calc(100vw - 32px));
  border: 1px solid var(--line);
  color: var(--ink);
  background: var(--panel);
  backdrop-filter: blur(12px);
}

.virtual-guide summary {
  padding: 12px 15px;
  color: #171310;
  background: var(--gold);
  cursor: pointer;
  font-weight: 800;
}

.virtual-guide-body {
  display: grid;
  gap: 9px;
  padding: 13px;
}

.virtual-guide-body p,
.virtual-guide-body small {
  margin: 0;
}

.virtual-guide textarea {
  width: 100%;
  resize: vertical;
  border: 1px solid var(--line);
  padding: 9px;
  color: var(--ink);
  background: #17130f;
  font: inherit;
}

.virtual-guide-suggestions,
.virtual-guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.virtual-guide-suggestions button {
  border: 1px solid var(--line);
  padding: 6px 8px;
  color: var(--ink);
  background: #29221b;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
}

html[dir="rtl"] .virtual-guide {
  right: 16px;
  left: auto;
  text-align: right;
}

.gallery-audio-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 7px;
}

.gallery-ambience-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 4px;
}

.gallery-ambience-controls .gallery-button {
  min-height: 34px;
  padding: 6px 10px;
  font-size: 12px;
}

.gallery-ambience-controls .active {
  border-color: #537e68;
  color: #07130d;
  background: #a8d8b8;
}

.gallery-video-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 4px;
  padding-top: 7px;
  border-top: 1px solid var(--line);
}

.gallery-media-library {
  display: none;
  grid-template-columns: minmax(150px, 1fr) auto;
  gap: 7px 10px;
  align-items: end;
  margin-top: 7px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

body[data-experience="cinema"] .gallery-media-library,
body[data-gallery-room="people"] .gallery-media-library {
  display: grid;
}

body[data-gallery-room="people"] .gallery-video-controls {
  display: flex;
}

.gallery-media-library label {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 12px;
}

.gallery-media-library > div {
  display: flex;
  gap: 6px;
}

.gallery-media-library .gallery-button {
  min-height: 34px;
  padding: 6px 9px;
  font-size: 12px;
}

.cinema-device-viewer {
  display: grid;
  gap: 7px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.cinema-device-viewer video {
  display: block;
  width: min(100%, 560px);
  max-height: 28vh;
  border: 1px solid rgba(199, 164, 93, 0.62);
  background: #050608;
  object-fit: contain;
}

body[data-experience="cinema"] .gallery-guide {
  max-width: min(620px, calc(100vw - 32px));
}

.gallery-exit-links {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 3px;
}

.gallery-exit-links .gallery-button {
  min-height: 34px;
  padding: 6px 10px;
  font-size: 12px;
}

.gallery-exit-links .bedroom-world-link {
  border-color: #8a6a2d;
  color: #21170e;
  background: var(--gold);
  font-weight: 800;
}

.gallery-exit-links .vr-world-link {
  border-color: #487d8e;
  color: #07151c;
  background: #9ed8e8;
  font-weight: 800;
}

.gallery-exit-links .cinema-link {
  border-color: #b88b5e;
  color: #fff0d5;
  background: linear-gradient(135deg, #59303b, #211d27);
  font-weight: 800;
}

.gallery-audio-controls .gallery-button {
  min-height: 34px;
  padding: 6px 10px;
  font-size: 12px;
}

.gallery-video-controls .gallery-button {
  min-height: 34px;
  padding: 6px 10px;
  font-size: 12px;
}

.gallery-video-select {
  min-height: 34px;
  max-width: min(100%, 280px);
  border: 1px solid var(--line);
  padding: 6px 30px 6px 9px;
  color: var(--ink);
  background: #152a36;
  font: inherit;
  font-size: 12px;
}

.gallery-video-controls .active {
  border-color: #5d9fb2;
  color: #07151c;
  background: #9eeaff;
}

.gallery-audio-controls .active {
  border-color: #6f4e12;
  color: #171310;
  background: var(--gold);
}

/* Room-aware screen menu, echoing the framed navigation walls inside VR. */
body {
  --room-menu-panel: rgba(49, 24, 18, .94);
  --room-menu-button: #4b2719;
  --room-menu-button-hover: #67402c;
  --room-menu-gold: #d1a15b;
  --room-menu-text: #fff1dc;
  --room-menu-muted: #dbc8aa;
}

body[data-gallery-room="models"] {
  --room-menu-panel: rgba(21, 42, 54, .95);
  --room-menu-button: #243b4a;
  --room-menu-button-hover: #355568;
  --room-menu-gold: #b9d1d8;
  --room-menu-text: #f4fbff;
  --room-menu-muted: #c5d9df;
}

body[data-gallery-room="bedroom"] {
  --room-menu-panel: rgba(20, 48, 69, .95);
  --room-menu-button: #254b68;
  --room-menu-button-hover: #32688f;
  --room-menu-gold: #e3ae48;
  --room-menu-text: #fff2ce;
  --room-menu-muted: #e4d1a7;
}

body[data-gallery-room="reimagined"] {
  --room-menu-panel: rgba(23, 39, 51, .95);
  --room-menu-button: #314d60;
  --room-menu-button-hover: #42687f;
  --room-menu-gold: #d5ad65;
  --room-menu-text: #fff1dc;
  --room-menu-muted: #d4c5ae;
}

body[data-gallery-room="groups"] {
  --room-menu-panel: rgba(47, 20, 29, .95);
  --room-menu-button: #51212d;
  --room-menu-button-hover: #6f3040;
  --room-menu-gold: #d2a05d;
  --room-menu-text: #fff0de;
  --room-menu-muted: #d9bdac;
}

body[data-gallery-room="louvre"] {
  --room-menu-panel: rgba(5, 18, 39, .96);
  --room-menu-button: #0b2749;
  --room-menu-button-hover: #123b69;
  --room-menu-gold: #c7a25b;
  --room-menu-text: #f7ead1;
  --room-menu-muted: #cfc3aa;
}

body[data-gallery-room="museums"] {
  --room-menu-panel: rgba(11, 25, 34, .96);
  --room-menu-button: #193748;
  --room-menu-button-hover: #27556b;
  --room-menu-gold: #cdae70;
  --room-menu-text: #fff3df;
  --room-menu-muted: #d5c5aa;
}

body[data-gallery-room="people"] {
  --room-menu-panel: rgba(7, 40, 36, .96);
  --room-menu-button: #4b171d;
  --room-menu-button-hover: #70252d;
  --room-menu-gold: #d9ac58;
  --room-menu-text: #fff3df;
  --room-menu-muted: #d8c8aa;
}

body[data-gallery-room="cinema"] {
  --room-menu-panel: rgba(28, 12, 19, .96);
  --room-menu-button: #30131d;
  --room-menu-button-hover: #50202e;
  --room-menu-gold: #d5a454;
  --room-menu-text: #fff1dc;
  --room-menu-muted: #d8bfaa;
}

body[data-gallery-artist="van-gogh"][data-gallery-room="paintings"] {
  --room-menu-panel: rgba(14, 39, 59, .96);
  --room-menu-button: #173b5a;
  --room-menu-button-hover: #24587f;
  --room-menu-gold: #e0ad42;
  --room-menu-text: #fff4d0;
}

body[data-gallery-artist="vermeer"][data-gallery-room="paintings"] {
  --room-menu-panel: rgba(10, 49, 52, .96);
  --room-menu-button: #174b50;
  --room-menu-button-hover: #236970;
  --room-menu-gold: #c9aa69;
  --room-menu-text: #f5ead7;
}

body[data-gallery-artist="monet"][data-gallery-room="paintings"] {
  --room-menu-panel: rgba(36, 63, 53, .96);
  --room-menu-button: #3d5d50;
  --room-menu-button-hover: #577b6b;
  --room-menu-gold: #d4ca83;
  --room-menu-text: #f5f1dc;
}

body .gallery-toolbar,
body .gallery-guide,
body .virtual-guide {
  border: 2px solid var(--room-menu-gold);
  color: var(--room-menu-text);
  background:
    linear-gradient(145deg, rgba(255,255,255,.035), rgba(0,0,0,.13)),
    var(--room-menu-panel);
  box-shadow:
    inset 0 0 0 3px rgba(8, 9, 10, .7),
    inset 0 0 0 4px color-mix(in srgb, var(--room-menu-gold) 72%, transparent),
    0 12px 34px rgba(0,0,0,.42);
}

body #gallery-kicker,
body .gallery-guide span {
  color: var(--room-menu-muted);
}

body .gallery-button,
body .gallery-exit-links .gallery-button,
body .gallery-exit-links .vr-world-link,
body .gallery-exit-links .bedroom-world-link,
body .gallery-exit-links .cinema-link {
  position: relative;
  border: 2px solid var(--room-menu-gold);
  border-radius: 0;
  color: var(--room-menu-text);
  background: var(--room-menu-button);
  box-shadow:
    inset 0 0 0 2px rgba(19, 12, 10, .72),
    inset 0 0 0 3px color-mix(in srgb, var(--room-menu-gold) 58%, transparent),
    0 5px 12px rgba(0,0,0,.28);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
  letter-spacing: .015em;
  transition: transform .16s ease, background .16s ease, box-shadow .16s ease;
}

body .gallery-button:hover,
body .gallery-button:focus-visible {
  color: var(--room-menu-text);
  background: var(--room-menu-button-hover);
  box-shadow:
    inset 0 0 0 2px rgba(19, 12, 10, .72),
    inset 0 0 0 3px var(--room-menu-gold),
    0 8px 18px rgba(0,0,0,.36);
  transform: translateY(-1px);
}

body .gallery-button.primary {
  border-color: var(--room-menu-gold);
  color: #17120c;
  background: var(--room-menu-gold);
  box-shadow: inset 0 0 0 3px rgba(255,255,255,.2), 0 5px 12px rgba(0,0,0,.3);
}

/* Language-aware menu typography. Principal destinations stay uppercase;
   supporting English labels use title capitalization and French keeps its
   authored sentence casing. */
body .gallery-toolbar,
body .gallery-guide,
body .virtual-guide {
  text-transform: none;
}

html[lang="en"] body .gallery-toolbar,
html[lang="en"] body .gallery-guide,
html[lang="en"] body .virtual-guide {
  text-transform: capitalize;
}

body :is(
  #gallery-paintings-link,
  #gallery-models-link,
  #gallery-cinema-link,
  #gallery-people-link,
  #gallery-reimagined-link,
  #gallery-groups-link,
  #gallery-experiences-link,
  #gallery-exit-link
) {
  text-transform: uppercase;
}

/* The cinema has a deliberately emphatic, fully capitalized screen menu. */
body[data-experience="cinema"] .gallery-toolbar,
body[data-experience="cinema"] .gallery-guide,
body[data-experience="cinema"] .virtual-guide,
body[data-experience="cinema"] .gallery-video-select,
body[data-experience="cinema"] .gallery-video-select option {
  text-transform: uppercase;
}

@media (max-width: 720px) {
  .gallery-toolbar {
    grid-template-columns: auto 1fr;
  }

  #enter-gallery-vr {
    grid-column: 1 / -1;
  }

  #gallery-instructions {
    display: none;
  }

  .screen-navigation {
    right: max(8px, env(safe-area-inset-right));
    bottom: max(8px, env(safe-area-inset-bottom));
    opacity: .5;
  }
  .screen-navigation button { width: 40px; height: 40px; font-size: 15px; }
  .screen-navigation span { display: none; }
  .gallery-ui-toggle { padding: 7px 10px; font-size: 11px; }
}

@media (max-width: 900px), (pointer: coarse) {
  body[data-experience="cinema"] .gallery-toolbar { padding: 8px; gap: 8px; }
  body[data-experience="cinema"] .gallery-toolbar h1 { font-size: 20px; }
  body[data-experience="cinema"] .gallery-guide {
    max-height: 46vh;
    overflow: auto;
    padding: 8px;
    font-size: 11px;
  }
  body[data-experience="cinema"] .cinema-device-viewer video { max-height: 15vh; }
  body[data-experience="cinema"] .gallery-button,
  body[data-experience="cinema"] .gallery-video-select { min-height: 29px; padding: 4px 7px; font-size: 10px; }
  body[data-experience="cinema"] .gallery-media-library { grid-template-columns: 1fr; }
}

@media (hover: none) and (pointer: coarse) {
  .gallery-toolbar { max-height: 35vh; overflow: auto; }
  .gallery-guide { max-width: calc(100vw - 20px); }
}