/* Shared map controls: keep desktop actions compact without blurring the
   moving WebGL canvas separately behind every button. */
:root {
  --archive-control-size: 30px;
  --archive-control-gap: 4px;
  --archive-control-surface: rgba(54, 47, 40, 0.84);
}

.custom-button,
.search-form,
.lang-switch-button,
.archive-switch-button,
#help-button,
#ar-mode-button,
.archive-index-link {
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  background: var(--archive-control-surface);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  border-radius: 6px;
}

.custom-button,
#viewpoint-buttons .custom-button,
.mobile-view #map-layer-buttons .custom-button,
.lang-switch-button,
.mobile-view .lang-switch-button,
.archive-switch-button,
.mobile-view .archive-switch-button,
.archive-index-link {
  box-sizing: border-box;
  min-height: var(--archive-control-size);
  padding: 4px 8px;
  font-size: 12px;
  line-height: 1.25;
  white-space: nowrap;
}

.custom-button:hover,
.lang-switch-button:hover,
.archive-switch-button:hover,
.archive-index-link:hover,
#help-button:hover {
  background: rgba(92, 75, 58, 0.94);
  border-color: rgba(255, 226, 196, 0.8);
}

.custom-button.active,
.custom-button.active:hover {
  background: rgba(48, 115, 58, 0.94);
}

.custom-button:focus-visible,
.lang-switch-button:focus-visible,
.archive-switch-button:focus-visible,
#help-button:focus-visible,
#ar-mode-button:focus-visible,
.archive-index-link:focus-visible,
.search-form:focus-within {
  outline: 2px solid #ffe0b5;
  outline-offset: 2px;
}

.archive-switch-button,
.archive-switch-button:hover {
  transform: none;
  font-weight: normal;
  transition: background 0.2s, border-color 0.2s;
}

.top-ui-container,
.mobile-view .top-ui-container {
  padding: 8px;
  gap: 8px;
  align-items: flex-start;
}

.search-forms,
.mobile-view .search-forms {
  gap: 6px;
  min-width: 0;
  flex-direction: row;
  flex-wrap: wrap;
}

.search-form,
.mobile-view .search-form {
  box-sizing: border-box;
  width: 180px;
  min-width: 0;
  height: calc(var(--archive-control-size) + 2px);
  border-radius: 6px;
}

.search-form input,
.mobile-view .search-form input {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  max-width: none;
  padding: 4px 7px;
  font-size: 12px;
  line-height: 1.25;
}

.search-form button,
.mobile-view .search-form button {
  flex: 0 0 var(--archive-control-size);
  align-self: stretch;
  padding: 0;
  font-size: 12px;
}

.top-right-controls,
.mobile-view .top-right-controls,
.mode-switch-container {
  gap: var(--archive-control-gap);
  flex-shrink: 0;
}

#help-button,
.mobile-view #help-button,
#ar-mode-button,
.mobile-view #ar-mode-button.available {
  box-sizing: border-box;
  width: var(--archive-control-size);
  height: var(--archive-control-size);
  min-width: var(--archive-control-size);
  padding: 0;
  font-size: 14px;
}

#viewpoint-buttons {
  width: max-content;
  max-width: calc(100% - 300px);
  bottom: 26px;
  padding: 0;
  gap: var(--archive-control-gap);
}

#map-layer-buttons,
.mobile-view #map-layer-buttons {
  right: 8px;
  bottom: 26px;
  gap: var(--archive-control-gap);
}

.archive-index-link-container {
  left: 8px;
  bottom: 26px;
}

/* A smaller viewport may be a resized desktop window. Wrap, rather than hide,
   its viewpoint buttons and leave a separate column for map layers. */
@media (max-width: 820px) {
  #viewpoint-buttons {
    left: 8px;
    max-width: calc(100% - 150px);
    transform: none;
  }
}

@media (max-width: 600px) {
  .search-forms,
  .mobile-view .search-forms {
    flex: 1 1 auto;
    flex-direction: column;
    align-items: stretch;
    max-width: 220px;
    gap: var(--archive-control-gap);
  }

  .search-form,
  .mobile-view .search-form {
    width: 100%;
  }

  .mobile-view #map-layer-buttons {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: calc(100% - 16px);
  }
}

/* Compact with a mouse, comfortably tappable on a phone or tablet. */
@media (pointer: coarse) {
  :root {
    --archive-control-size: 44px;
  }

  .search-form input,
  .mobile-view .search-form input {
    font-size: 16px;
  }
}