/* Shared navigation, with a separate palette for each workspace. */
#app {
  --workspace-radius: 8px;
  --workspace-accent: var(--workspace-library);
  --accent: var(--workspace-accent);
  --section-accent: var(--workspace-accent);
  --bg: var(--ui-page);
  --panel: var(--ui-sidebar);
  --panel2: var(--ui-surface);
  --panel3: var(--ui-raised);
  --line: var(--ui-border);
  --text: var(--ui-text);
  --muted: var(--ui-muted);
  --accent2: var(--ui-accent-hover);
}

#app .main {
  background: var(--ui-page);
}

#content> :is(.library-workspace, .toolbox-shell) {
  border: 1px solid var(--ui-border) !important;
  border-top: 2px solid var(--workspace-accent) !important;
  border-radius: 0 !important;
  overflow: hidden;
}

#content>.library-workspace::before {
  display: none;
}

#app[data-primary-section="library"] {
  --workspace-accent: var(--workspace-library);
  --ui-accent: var(--workspace-library);
}

/* Dialogs live outside #app and inherit the active workspace colours here. */
:root:has(#app[data-primary-section="tools"]:not(.hidden)) {
  --ui-accent: var(--workspace-tools);
  --ui-accent-hover: #f0bed8;
  --ui-accent-soft: #3a2b40;
  --ui-highlight: var(--workspace-tools);
  --ui-highlight-hover: #f0bed8;
  --ui-highlight-soft: #3a2b40;
  --protocol: var(--workspace-tools);
  --vault: var(--workspace-tools);
}

#app[data-primary-section="tools"] {
  --workspace-accent: var(--workspace-tools);
  --ui-accent: var(--workspace-tools);
}

:root:has(#app[data-primary-section="vault"]:not(.hidden)) {
  --ui-accent: var(--workspace-vault);
  --ui-accent-hover: #a1ddbd;
  --ui-accent-soft: #203b34;
  --ui-highlight: var(--workspace-vault);
  --ui-highlight-hover: #a1ddbd;
  --ui-highlight-soft: #203b34;
  --vault: var(--workspace-vault);
}

#app[data-primary-section="vault"] {
  --workspace-accent: var(--workspace-vault);
  --ui-accent: var(--workspace-vault);
}

.section-accent-vault {
  --accent: var(--workspace-vault);
  --section-accent: var(--workspace-vault);
}

/* Main header. */
.topbar .brand-logo {
  --brand-mark-size: min(var(--logo-column), 84px);
  grid-area: brand !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  align-self: stretch;
  width: var(--logo-column) !important;
  min-width: 0 !important;
  height: 100% !important;
  margin: 0;
  padding: 0 !important;
  border-right: 0 !important;
  border-radius: 0 !important;
  line-height: 1.3 !important;
  letter-spacing: 0;
}

.topbar .search {
  grid-area: search !important;
  justify-self: stretch !important;
  width: 100% !important;
  max-width: none !important;
  height: 38px !important;
  margin: 0;
  padding: 0 !important;
  gap: 10px;
  border: 1px solid var(--ui-border) !important;
  border-radius: 6px !important;
  background: var(--ui-sidebar) !important;
  box-shadow: none;
  transition: border-color 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

.topbar .search:hover {
  border-color: var(--ui-border) !important
}

.topbar .search:focus-within {
  background: var(--ui-surface) !important;
  border-color: var(--workspace-accent) !important;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--workspace-accent) 9%, transparent) !important;
}

.topbar .search input {
  height: 36px !important;
  color: var(--ui-text) !important;
  font-size: 13px !important;
}

.topbar .search input::placeholder {
  color: var(--ui-subtle);
  opacity: 1
}

.topbar .global-search-icon {
  color: var(--ui-muted)
}

.topbar .search-results {
  left: 0;
  right: auto;
  width: min(620px, calc(100vw - 2 * var(--header-gutter)));
  min-width: 0;
  max-width: calc(100vw - 2 * var(--header-gutter));
}

.topbar .settings-icon-btn {
  display: grid;
  place-items: center;
  grid-area: settings;
  width: var(--settings-size) !important;
  min-width: var(--settings-size);
  height: var(--settings-size) !important;
  margin: 0;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  color: var(--ui-muted) !important;
  transition: color 160ms ease;
}

.topbar .settings-icon-btn svg {
  width: 28px !important;
  height: 28px !important;
}

.topbar .settings-icon-btn:hover {
  color: var(--ui-text) !important;
  background: transparent !important;
}

.topbar .settings-icon-btn:focus-visible {
  outline: 2px solid var(--workspace-accent);
  outline-offset: 3px
}

.topbar .top-actions {
  grid-area: sections !important;
  display: flex !important;
  align-items: center !important;
  min-width: 0 !important;
  width: 100% !important;
  max-width: none !important;
  gap: 0 !important;
  overflow: visible !important
}

/* Direct access to workspaces in their left-to-right order. */
.topbar {
  display: grid !important;
  flex-shrink: 0;
  height: auto !important;
  min-height: 0 !important;
  align-items: center !important;
  background: var(--ui-page) !important;
  border-bottom: 1px solid var(--ui-border) !important;
  box-shadow: none !important;
  --logo-column: 64px;
  --settings-size: 48px;
  --header-gutter: 16px;
  grid-template-columns: var(--logo-column) max-content minmax(180px, 1fr) var(--settings-size) !important;
  grid-template-areas: "brand sections search settings" !important;
  grid-template-rows: 60px !important;
  padding: 6px 16px !important;
  gap: 16px !important;
}

.topbar .brand-logo {
  --brand-mark-size: 48px;
}

.topbar .top-actions {
  height: 44px;
  width: auto !important;
}

.topbar .global-tabs.section-navigation {
  position: relative;
  display: grid !important;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 4px !important;
  width: 100%;
  min-width: 0;
  max-width: none !important;
  padding: 0 !important;
  border: 0 !important;
  border-bottom: 1px solid var(--ui-border) !important;
  border-radius: 0 !important;
  background: transparent !important;
  overflow: visible !important;
}

.topbar .section-navigation::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: var(--tab-indicator-width, 0px);
  height: 2px;
  border-radius: 2px;
  background: var(--workspace-accent);
  transform: translateX(var(--tab-indicator-x, 0px));
  opacity: var(--tab-indicator-opacity, 0);
  pointer-events: none;
}

.topbar .section-navigation[data-indicator-ready="true"]::after {
  transition: transform 360ms cubic-bezier(.22, 1, .36, 1), width 360ms cubic-bezier(.22, 1, .36, 1), background-color 180ms ease;
}

.topbar .section-navigation .workspace-section-button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 96px;
  height: 44px !important;
  padding: 0 14px !important;
  border: 0 !important;
  border-radius: 6px 6px 0 0 !important;
  background: transparent !important;
  color: var(--ui-muted) !important;
  font-weight: 600;
  font-size: 13px !important;
  white-space: nowrap;
  box-shadow: none !important;
  cursor: pointer;
  touch-action: manipulation;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease !important;
}

.workspace-section-icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 16px;
  height: 16px;
  opacity: .7;
}

.workspace-section-icon svg {
  width: 16px;
  height: 16px;
}

.workspace-section-button.active .workspace-section-icon {
  opacity: 1;
}

.workspace-section-button[data-section="library"] {
  --button-accent: var(--workspace-library);
}

.workspace-section-button[data-section="tools"] {
  --button-accent: var(--workspace-tools);
}

.workspace-section-button[data-section="vault"] {
  --button-accent: var(--workspace-vault);
}

.topbar .section-navigation .workspace-section-button:hover {
  background: color-mix(in srgb, var(--ui-text) 4%, transparent) !important;
  color: var(--ui-text) !important;
}

.topbar .section-navigation .workspace-section-button.active {
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--button-accent) 8%, transparent)) !important;
  color: var(--button-accent) !important;
}

.topbar .workspace-section-button:focus-visible {
  outline: 2px solid var(--button-accent);
  outline-offset: 3px;
}

.workspace-section-button.has-draft::after {
  content: '';
  position: absolute;
  top: 5px;
  right: 5px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--button-accent);
}

@media(prefers-reduced-motion:reduce) {
  .topbar .section-navigation::after,
  .topbar .section-navigation .workspace-section-button {
    transition: none !important;
  }
}

@media(max-width:1050px) {
  .topbar {
    grid-template-columns: var(--logo-column) max-content minmax(160px, 1fr) var(--settings-size) !important;
    gap: 10px !important;
    padding: 6px 16px !important;
    --logo-column: 64px;
  }
}

@media(max-width:760px) {
  .topbar {
    --logo-column: 40px;
    --settings-size: 36px;
    --header-gutter: 12px;
    grid-template-columns: var(--logo-column) minmax(0, 1fr) var(--settings-size) !important;
    grid-template-areas: "brand sections settings" "search search search" !important;
    grid-template-rows: 48px 38px !important;
    padding: 10px 12px !important;
    gap: 6px !important;
  }

  .topbar .brand-logo {
    --brand-mark-size: 40px;
  }

  .topbar .top-actions,
  .topbar .global-tabs.section-navigation {
    width: 100% !important;
  }

  .topbar .global-tabs.section-navigation {
    gap: 0 !important;
  }

  .topbar .section-navigation .workspace-section-button {
    min-width: 0;
    padding: 0 5px !important;
    font-size: 12px !important;
  }

  .workspace-section-icon {
    display: none;
  }

  .topbar .search {
    max-width: none !important;
  }

  .topbar .search-results {
    width: calc(100vw - 24px);
    max-width: calc(100vw - 24px);
    left: auto;
    right: 0;
  }
}