/* Loaded last. Theme colors affect page furniture, never artwork pixels or 3D materials. */
:root,
html[data-site-theme="paper"] {
  color-scheme: light;
  --site-canvas: #f7f5ef;
  --site-panel: #fffdf7;
  --site-soft: #eeece4;
  --site-art-stage: #efefed;
  --site-ink: #242b29;
  --site-muted: #566052;
  --site-border: #d3d5cb;
  --site-control-border: #6b7565;
  --site-accent: #344a30;
  --site-accent-bg: #354630;
  --site-accent-hover: #293b26;
  --site-on-accent: #ffffff;
  --site-focus: #8a3f2d;
  --site-danger: #7e302a;
  --site-danger-bg: #f6e6e1;
  --site-danger-button: #823b32;
  --site-on-danger: #ffffff;
  --site-shadow: 0 12px 34px #17201b24;
}
html[data-site-theme="white"] {
  color-scheme: light;
  --site-canvas: #ffffff;
  --site-panel: #ffffff;
  --site-soft: #f3f4f0;
  --site-art-stage: #efefed;
  --site-ink: #222a25;
  --site-muted: #566052;
  --site-border: #d4d9d0;
  --site-control-border: #6b7565;
  --site-accent: #344a30;
  --site-accent-bg: #354630;
  --site-accent-hover: #293b26;
  --site-on-accent: #ffffff;
  --site-focus: #8a3f2d;
}
html[data-site-theme="stone"] {
  color-scheme: light;
  --site-canvas: #e8e6e1;
  --site-panel: #f4f2ee;
  --site-soft: #dedbd4;
  --site-art-stage: #efefed;
  --site-ink: #292b28;
  --site-muted: #535b52;
  --site-border: #c4c3ba;
  --site-control-border: #666d60;
  --site-accent: #394a34;
  --site-accent-bg: #3c4935;
  --site-accent-hover: #293b26;
  --site-on-accent: #ffffff;
  --site-focus: #803d2a;
}
html[data-site-theme="sage"] {
  color-scheme: light;
  --site-canvas: #e8ece5;
  --site-panel: #f6f8f2;
  --site-soft: #dce3d7;
  --site-art-stage: #efefed;
  --site-ink: #263127;
  --site-muted: #4e5c4d;
  --site-border: #c2ccbc;
  --site-control-border: #626f5d;
  --site-accent: #304b32;
  --site-accent-bg: #304b32;
  --site-accent-hover: #253d27;
  --site-on-accent: #ffffff;
  --site-focus: #853d2a;
}
html[data-site-theme="mist"] {
  color-scheme: light;
  --site-canvas: #e7edf0;
  --site-panel: #f5f8fa;
  --site-soft: #d9e3e8;
  --site-art-stage: #efefed;
  --site-ink: #253137;
  --site-muted: #4c5960;
  --site-border: #bdcbd2;
  --site-control-border: #606f76;
  --site-accent: #2d4e58;
  --site-accent-bg: #2c4f5a;
  --site-accent-hover: #203e48;
  --site-on-accent: #ffffff;
  --site-focus: #803e2b;
}
html[data-site-theme="charcoal"] {
  color-scheme: dark;
  --site-canvas: #191c1b;
  --site-panel: #222825;
  --site-soft: #2c342e;
  --site-art-stage: #252827;
  --site-ink: #ecefe7;
  --site-muted: #b6bfb2;
  --site-border: #4d584f;
  --site-control-border: #8b9a8c;
  --site-accent: #c1d2b8;
  --site-accent-bg: #b7cab0;
  --site-accent-hover: #d0dfc9;
  --site-on-accent: #172119;
  --site-focus: #efcf91;
  --site-danger: #f1bcb2;
  --site-danger-bg: #422d2b;
  --site-danger-button: #e5a496;
  --site-on-danger: #251914;
  --site-shadow: 0 12px 34px #00000066;
}

/* Bridge legacy variables, while keeping foreground accent and button ink separate. */
html[data-site-theme] {
  --paper: var(--site-canvas);
  --white: var(--site-panel);
  --soft: var(--site-soft);
  --ink: var(--site-ink);
  --muted: var(--site-muted);
  --line: var(--site-border);
  --olive: var(--site-accent);
  --olive-dark: var(--site-accent);
  --clay: var(--site-border);
  background: var(--site-canvas);
  scrollbar-color: var(--site-control-border) var(--site-canvas);
}
html[data-site-theme] body {
  background: var(--site-canvas);
  color: var(--site-ink);
  padding-bottom: calc(76px + env(safe-area-inset-bottom, 0px));
}
html[data-site-theme] body :is(
  a:focus-visible, button:focus-visible, summary:focus-visible,
  input:focus-visible, textarea:focus-visible, select:focus-visible,
  [tabindex]:focus-visible
) { outline: 3px solid var(--site-focus); outline-offset: 4px; }
html[data-site-theme] body :is(input, textarea, select) {
  accent-color: var(--site-accent-bg);
  caret-color: var(--site-ink);
}
html[data-site-theme] body :is(input, textarea)::placeholder {
  color: var(--site-muted); opacity: 1;
}
html[data-site-theme] body :is(
  .form-card input:not([type="checkbox"]):not([type="radio"]), .form-card select,
  .form-card textarea, .stack input:not([type="checkbox"]):not([type="radio"]),
  .stack select, .stack textarea, .filter-fields input, .filter-fields select,
  .search-form input, .manage-filters input, .manage-filters select
) { color: var(--site-ink); background: var(--site-panel); border-color: var(--site-control-border); }
html[data-site-theme] body :is(
  .button, form button:not(.icon-button):not(.button), .work-share-copy,
  .pagination a[aria-current], .theme-pills > a[aria-current],
  .gallery-mode-switch a[aria-current="page"],
  .home-editorial-hero .home-hero-actions .button,
  .exhibition-join-box .button, .open-call-action .button
) { color: var(--site-on-accent); background: var(--site-accent-bg); border-color: var(--site-accent-bg); }
html[data-site-theme] body :is(
  .button:hover, form button:not(.icon-button):not(.button):hover,
  .work-share-copy:hover, .pagination a[aria-current]:hover,
  .theme-pills > a[aria-current]:hover, .gallery-mode-switch a[aria-current="page"]:hover,
  .home-editorial-hero .home-hero-actions .button:hover
) { color: var(--site-on-accent); background: var(--site-accent-hover); border-color: var(--site-accent-hover); }
html[data-site-theme] body :is(
  .button.secondary, .work-share-button:not(.work-share-copy), .icon-button,
  .reading-button, .reading-stop, .theme-pills > a:not([aria-current]), .pagination a:not([aria-current])
) { color: var(--site-accent); background: transparent; border-color: var(--site-control-border); }
html[data-site-theme] body :is(
  .button.secondary:hover, .work-share-button:not(.work-share-copy):hover,
  .icon-button:hover:not(:disabled), .reading-button:hover, .reading-stop:hover,
  .theme-pills > a:not([aria-current]):hover, .gallery-mode-switch a:not([aria-current]):hover,
  .work-neighbours a:hover, .work-theme-links a:hover
) { color: var(--site-accent); background: var(--site-soft); border-color: var(--site-control-border); }
html[data-site-theme] body .button.danger {
  color: var(--site-on-danger); background: var(--site-danger-button); border-color: var(--site-danger-button);
}
html[data-site-theme] body form button.secondary {
  color: var(--site-accent) !important; background: transparent !important; border-color: var(--site-control-border);
}

/* Shared panels, management forms, public briefs and artwork surrounds. */
html[data-site-theme] body :is(
  .form-card, .editor-details, .editor-actions, .mobile-menu nav, .trust-info-popover,
  .home-hero-art, .exhibition-entry, .exhibition-selected, .exhibition-pick
) { color: var(--site-ink); background: var(--site-panel); border-color: var(--site-border); }
html[data-site-theme] body :is(
  .featured-wall, .search-band, .collection-card, .collection-card:nth-child(even),
  .creator-card, .explore-filter, .empty-state, .ai-introduction, .manage-item,
  .trust-summary article, .assertion-card, .theme-empty-state, .exhibition-card,
  .exhibition-join-box, .open-call-card, .open-call-action, .gallery-mode-switch,
  .gallery-mode-notice, .home-editorial-hero, .home-hero-empty-wall,
  .work-share, .audience-preview, .exhibition-feedback
) { color: var(--site-ink); background: var(--site-soft); border-color: var(--site-border); }
html[data-site-theme] body :is(
  .work-main-image, .work-extra-image, .works-grid .art-stage, .discovery-art,
  .creator-preview, .image-missing, .home-hero-art-image, .theme-mosaic > div,
  .exhibition-mosaic > span, .passport-hero, .work-neighbours img,
  .editor-existing-images img, .image-preview img, .manage-item img,
  .manage-images img, .exhibition-entry > img, .exhibition-selected img, .exhibition-pick img
) { color: var(--site-muted); background: var(--site-art-stage); border-color: var(--site-border); }
html[data-site-theme] body :is(.discovery-art:hover, .theme-card:hover .theme-mosaic) {
  background: var(--site-soft); border-color: var(--site-control-border);
}
html[data-site-theme] body :is(.theme-mosaic, .exhibition-mosaic) {
  background: var(--site-border); border-color: var(--site-border);
}
html[data-site-theme] body .exhibition-mosaic > .exhibition-empty-cover {
  background: var(--site-art-stage); color: var(--site-muted);
}
html[data-site-theme] body :is(.gallery-wall, .gallery-experience .gallery-wall) {
  background: var(--site-art-stage); border-color: var(--site-border); box-shadow: none;
}
html[data-site-theme] body .gallery-experience .gallery-wall::after {
  background: var(--site-soft); border-color: var(--site-border);
}
html[data-site-theme] body .passport-hero-copy {
  background: var(--site-canvas); color: var(--site-ink);
}

/* Secondary copy uses one measured tone on all of the surfaces above. */
html[data-site-theme] body :is(
  .environment-banner, .hero-copy p, .card-story, .collection-card p,
  .passport-band li > span, .domain-tail, .filter-fields label, .gallery-header h1 > span,
  .step-number, .theme-kicker, .theme-home-intro p, .theme-card-copy > span,
  .theme-card-description, .theme-card-count, .theme-empty-cover, .theme-home-bottom,
  .exhibition-card-top, .exhibition-card-dates, .exhibition-card-bottom > span,
  .theme-feed-tabs > a, .discovery-author, .theme-creator-invite p,
  .theme-empty-state p, .theme-page-header > p, .theme-page-header > div > p,
  .theme-result-count, .theme-pagination > span, .exhibition-dates > span,
  .exhibition-join-box p, .exhibition-join-box small, .exhibition-terms > div,
  .exhibition-bottom-info, .open-call-card-type, .open-call-card > p,
  .open-call-card-bottom > span, .open-calls-timezone, .open-call-section-number,
  .open-call-brief p, .open-call-facts dt, .open-call-action p, [data-reading-status],
  .home-editorial-hero .home-photo-hero-topline,
  .home-editorial-hero .home-photo-hero-copy p,
  .home-editorial-hero .home-photo-hero-creator, .hero-wall-note
) { color: var(--site-muted); }
html[data-site-theme] body :is(
  .theme-home-bottom a, .theme-feed-tabs > a[aria-current], .discovery-availability,
  .exhibition-apply-link, .open-call-card-type > span:first-child, .tag,
  .exhibition-state, .exhibition-state.is-open, .theme-brand-dot,
  .home-editorial-hero .home-hero-actions .text-link
) { color: var(--site-accent); border-color: var(--site-control-border); }
html[data-site-theme] body :is(.tag, .exhibition-state, .exhibition-state.is-open) { background: transparent; }
html[data-site-theme] body :is(.hero-accent-dot, .theme-kicker > span),
html[data-site-theme] body .timeline li::before { background: var(--site-accent); }
html[data-site-theme] body :is(.timeline, .creator-verse) { border-color: var(--site-control-border); }
html[data-site-theme] body :is(.home-editorial-hero .home-photo-hero-caption, .work-share-input) { color: var(--site-ink); }
html[data-site-theme] body :is(.environment-banner, .featured-wall .work-card + .work-card) { border-color: var(--site-border); }
html[data-site-theme] body :is(.notice, .success) {
  color: var(--site-ink); background: var(--site-soft); border-color: var(--site-border); border-left-color: var(--site-accent);
}
html[data-site-theme] body .error {
  color: var(--site-danger); background: var(--site-danger-bg); border-color: var(--site-danger); border-left-color: var(--site-danger);
}
html[data-site-theme] body [aria-invalid="true"] { outline-color: var(--site-danger); }

/* Immersive UI has its own measured light palette; rendered artwork/materials are untouched. */
html[data-site-theme] body .immersive-shell {
  color-scheme: light;
  --site-canvas: #f6f4ef; --site-panel: #fffdf8; --site-soft: #e5eade;
  --site-art-stage: #efefed; --site-border: #d8d9cf;
  --site-ink: #263c36; --site-muted: #556358;
  --site-accent: #2f604f; --site-accent-bg: #2f604f; --site-on-accent: #ffffff;
  --site-accent-hover: #254e40;
  --site-focus: #85501c; --site-control-border: #6b786c;
  --ink: #263c36; --muted: #556358; --white: #fffdf8; --paper: #f6f4ef;
  --soft: #e5eade; --olive: #2f604f; --olive-dark: #2f604f;
  color: #263c36; background: #f6f4ef;
}
html[data-site-theme] body .immersive-shell :is(
  .immersive-keyboard-hint, .immersive-room-works, .immersive-intro-eyebrow,
  .immersive-intro-meta, .immersive-intro-expand, .immersive-chooser-label, .immersive-art-creator
) { color: #556358; }
html[data-site-theme] body .immersive-shell :is(.immersive-button, .immersive-chooser, .immersive-room-selector) {
  color: #263c36; background-color: #fffdf8; border-color: #6b786c;
}
html[data-site-theme] body .immersive-shell :is(.immersive-held, .immersive-button:hover:not(:disabled)) { background-color: #dce8db; }
html[data-site-theme] body .immersive-canvas:focus-visible { outline-offset: -5px; }

/* Appearance picker: a small persistent trigger and an upward-opening radio panel. */
.site-theme-switcher {
  position: fixed; right: max(16px, env(safe-area-inset-right, 0px));
  bottom: max(16px, env(safe-area-inset-bottom, 0px)); z-index: 40;
  color: var(--site-ink); font-size: 14px; line-height: 1.5;
}
.site-theme-trigger, .site-theme-close {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-width: 44px; min-height: 44px; padding: 9px 14px; border: 1px solid var(--site-control-border);
  border-radius: 24px; background: var(--site-panel); color: var(--site-ink);
  font: inherit; cursor: pointer;
}
.site-theme-trigger { box-shadow: var(--site-shadow); }
.site-theme-trigger:hover, .site-theme-close:hover { background: var(--site-soft); }
.site-theme-close { padding: 8px; border-radius: 50%; flex: 0 0 44px; font-size: 22px; line-height: 1; }
.site-theme-panel {
  position: absolute; right: 0; bottom: calc(100% + 10px);
  width: min(320px, calc(100vw - 32px)); max-height: calc(100dvh - 100px - env(safe-area-inset-bottom, 0px));
  overflow-y: auto; overscroll-behavior: contain; padding: 16px;
  border: 1px solid var(--site-control-border); border-radius: 12px;
  background: var(--site-panel); color: var(--site-ink); box-shadow: var(--site-shadow);
}
.site-theme-panel[popover] {
  position: fixed; inset: auto max(16px, env(safe-area-inset-right, 0px)) calc(max(16px, env(safe-area-inset-bottom, 0px)) + 54px) auto;
  margin: 0;
}
.site-theme-switcher[hidden], .site-theme-switcher [hidden] { display: none !important; }
.site-theme-heading-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.site-theme-heading { margin: 0; font: inherit; font-size: 18px; font-weight: 600; }
.site-theme-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; padding: 0; margin: 0; border: 0; min-width: 0; }
.site-theme-option {
  position: relative; display: grid; grid-template-columns: 28px minmax(0,1fr); align-items: center; gap: 8px;
  min-width: 0; min-height: 56px; padding: 10px 8px; border: 1px solid var(--site-control-border);
  border-radius: 7px; background: var(--site-panel); color: var(--site-ink); cursor: pointer;
}
.site-theme-option input[type="radio"] { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.site-theme-option:has(input:checked) { border-color: var(--site-accent); box-shadow: inset 0 0 0 1px var(--site-accent); background: var(--site-soft); }
.site-theme-option:has(input:focus-visible) { outline: 3px solid var(--site-focus); outline-offset: 3px; }
.site-theme-option-name { font-size: 14px; line-height: 1.4; padding-right: 15px; overflow-wrap: anywhere; }
.site-theme-swatch { display: block; width: 28px; height: 28px; border: 1px solid var(--site-control-border); border-radius: 50%; }
.site-theme-swatch[data-theme-swatch="white"] { background: #ffffff; }
.site-theme-swatch[data-theme-swatch="paper"] { background: #f7f5ef; }
.site-theme-swatch[data-theme-swatch="stone"] { background: #e8e6e1; }
.site-theme-swatch[data-theme-swatch="sage"] { background: #e8ece5; }
.site-theme-swatch[data-theme-swatch="mist"] { background: #e7edf0; }
.site-theme-swatch[data-theme-swatch="charcoal"] { background: #191c1b; }
.site-theme-selected { display: none; position: absolute; right: 7px; top: 50%; transform: translateY(-50%); color: var(--site-accent); font-weight: 700; }
.site-theme-option:has(input:checked) .site-theme-selected { display: block; }
.site-theme-panel > p, .site-theme-status { margin: 12px 0 0; font-size: 13px; color: var(--site-muted); }
.site-theme-status:empty { margin: 0; }
/* Native fullscreen puts the scene in the top layer; this also covers CSS fullscreen mode. */
html:has(:fullscreen) .site-theme-switcher,
html[data-gallery-fullscreen="true"] .site-theme-switcher { display: none !important; }
html:has(:-webkit-full-screen) .site-theme-switcher { display: none !important; }
@media (max-width: 680px) {
  .site-theme-switcher { right: max(12px, env(safe-area-inset-right, 0px)); bottom: max(12px, env(safe-area-inset-bottom, 0px)); }
  .site-theme-panel { width: min(320px, calc(100vw - 24px)); padding: 14px; }
  .site-theme-panel[popover] { right: max(12px, env(safe-area-inset-right, 0px)); bottom: calc(max(12px, env(safe-area-inset-bottom, 0px)) + 54px); }
  html[data-site-theme] body:has(.editor-actions) .site-theme-switcher { bottom: calc(100px + env(safe-area-inset-bottom, 0px)); }
  html[data-site-theme] body:has(.editor-actions) .site-theme-panel[popover] { bottom: calc(154px + env(safe-area-inset-bottom, 0px)); max-height: calc(100dvh - 170px - env(safe-area-inset-bottom, 0px)); }
}
@media (prefers-reduced-motion: reduce) {
  .site-theme-switcher, .site-theme-switcher * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}
@media (forced-colors: active) {
  html[data-site-theme] { --site-canvas: Canvas; --site-panel: Canvas; --site-soft: Canvas; --site-art-stage: Canvas; --site-ink: CanvasText; --site-muted: CanvasText; --site-border: ButtonBorder; --site-control-border: ButtonBorder; --site-accent: LinkText; --site-accent-bg: ButtonFace; --site-accent-hover: ButtonFace; --site-on-accent: ButtonText; --site-focus: Highlight; --site-danger: CanvasText; --site-danger-bg: Canvas; --site-danger-button: ButtonFace; --site-on-danger: ButtonText; --site-shadow: none; }
  .site-theme-option:has(input:checked) { outline: 2px solid Highlight; outline-offset: -3px; }
  .site-theme-swatch { forced-color-adjust: none; }
  .site-theme-option input[type="radio"]:focus-visible { outline: none; }
}