/* src/layout/SidebarViewContainer.css */

.sidebar-view-container {
  display: flex;
  height: 100%;
  overflow: hidden;
}

/* Left panel: tab bar on right (inner edge toward editor) */
.sidebar-view-container[data-side="left"] {
  flex-direction: row-reverse;
}

/* Right panel: tab bar on left (inner edge toward editor) */
.sidebar-view-container[data-side="right"] {
  flex-direction: row;
}

/* Vertical icon tab bar (the "side-tab strip" that switches between
 * leaves inside a sidebar panel: Files / Outline / Tags / Backlinks / …).
 *
 * Width is locked to --icon-column-width (same token as the ribbon), so
 * the ribbon, the left sidebar's tab strip, and the right panel's tab
 * strip all share one icon-column metric across the app shell. The
 * tab buttons inside use --icon-tap-size to match ribbon icons.
 *
 * Top padding equals --chrome-row-height: the first slot is intentionally
 * empty so the chrome-row band reads as pure header chrome, and the first
 * actual side-tab icon lines up with the top of the panel body (one
 * uninterrupted horizontal line of "panel content begins here" across
 * ribbon ↔ icon strip ↔ panel body ↔ tab bar's bottom). */
.sidebar-view-tabs {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  width: var(--icon-column-width);
  background-color: var(--bg-secondary);
  /* No horizontal padding, no gap: tab buttons span the full column
   * width so their hover/selected fill reads as a flush block aligned
   * with the surrounding rectilinear chrome (no rounded pill against a
   * grid of straight lines). The first slot is intentionally empty
   * (top padding = --chrome-row-height) so the chrome row reads as
   * pure header chrome next to the panel title. */
  padding: var(--chrome-row-height) 0 0;
  gap: 0;
  /* The full-height vertical border (between icon strip and panel
   * content) is drawn via border-left / border-right per side below.
   * The ::after pseudo continues the chrome-row split horizontally
   * across the icon column so the header/body divider is unbroken
   * from outer panel edge to outer panel edge. */
  position: relative;
}

/* Left panel: vertical separator on the inner edge (between icon strip
 * and the panel content to its left, since the icon strip sits on the
 * right of a row-reverse flex). */
.sidebar-view-container[data-side="left"] .sidebar-view-tabs {
  border-left: 1px solid var(--border-color);
}

/* Right panel: vertical separator on the inner edge. */
.sidebar-view-container[data-side="right"] .sidebar-view-tabs {
  border-right: 1px solid var(--border-color);
}

/* Horizontal segment of the chrome-row split, drawn across the icon
 * column so the header/body divider continues without a gap.
 *
 * Positioned at `top: calc(--chrome-row-height - 1px)` so the 1px-tall
 * pseudo sits at the same paint coordinates as the bottom 1px of
 * .sidebar-view-header (whose `border-bottom` is drawn inside its
 * --chrome-row-height box). Avoids `transform: translateY(...)` to
 * keep the divider in the same rendering pass as the border-bottom —
 * transformed elements get a separate compositor layer and can drift
 * by a subpixel at non-integer zoom levels. */
.sidebar-view-tabs::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: calc(var(--chrome-row-height) - 1px);
  height: 1px;
  background-color: var(--border-color);
  pointer-events: none;
}

.sidebar-view-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  /* Fill the full column width; height stays at --icon-tap-size so each
   * button is a square block flush with the next. No border-radius —
   * the selected/hover overlay fills the entire column edge to edge,
   * matching the rectilinear feel of the chrome row and tab bar. */
  width: 100%;
  height: var(--icon-tap-size);
  padding: 0;
  color: var(--text-tertiary);
  background: none;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: color 0.15s, background-color 0.15s;
}

.sidebar-view-tab:hover {
  color: var(--text-secondary);
  background-color: var(--bg-hover);
}

.sidebar-view-tab[aria-selected="true"] {
  color: var(--text-primary);
  background-color: var(--bg-active);
}

/* Icon sizing inside tabs */
.sidebar-view-tab .tab-icon svg,
.sidebar-view-tab .tab-icon .lucide {
  width: 1.125rem;
  height: 1.125rem;
}

.sidebar-view-tab .tab-icon-fallback {
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  text-transform: uppercase;
}

/* Content panel fills remaining space. Stacks the unified chrome row
 * (--chrome-row-height) on top of the leaf body. */
.sidebar-view-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* Unified chrome row — same height as the central TabBar, so the bottom
 * borders line up horizontally across the entire .app-shell-body. */
.sidebar-view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  height: var(--chrome-row-height);
  flex-shrink: 0;
  padding: 0 0.5rem 0 0.75rem;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.sidebar-view-header__title {
  flex: 1;
  min-width: 0;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-view-header__actions {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  flex-shrink: 0;
}

/* DOM portal slot for Obsidian-compat ItemView.addAction() buttons.
 * The reparenting effect in SidebarViewContainer moves <button class="view-action">
 * elements into this slot for the active leaf. Display:contents lets the
 * buttons inherit the parent's flex layout without an extra wrapping box. */
.sidebar-view-header__addaction-slot {
  display: contents;
}

/* Style ItemView.addAction() buttons consistently with React-side
 * getHeaderActions() buttons. Same square 24px hit target, no border,
 * picks up hover from the host. */
.sidebar-view-header__actions .view-action {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  background: none;
  border: none;
  /* Square — matches the rectilinear chrome. */
  border-radius: 0;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: color 0.15s, background-color 0.15s;
}

.sidebar-view-header__actions .view-action:hover {
  color: var(--text-primary);
  background-color: var(--bg-hover);
}

.sidebar-view-header__actions .view-action:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

.sidebar-view-header__actions .view-action svg,
.sidebar-view-header__actions .view-action .lucide {
  width: 16px;
  height: 16px;
}

/* Generic header action button styling — plugins drop a <button> here
 * and pick up the standard sizing/affordance automatically. */
.sidebar-view-header__actions button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  background: none;
  border: none;
  /* Square — matches the rectilinear chrome. */
  border-radius: 0;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: color 0.15s, background-color 0.15s;
}

.sidebar-view-header__actions button:hover {
  color: var(--text-primary);
  background-color: var(--bg-hover);
}

.sidebar-view-header__actions button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

.sidebar-view-header__actions button svg,
.sidebar-view-header__actions button .lucide {
  width: 16px;
  height: 16px;
}

/* Leaf body sits below the chrome row and absolute-positions its leaves
 * for the show/hide tab pattern (data-visible toggles display). */
.sidebar-view-body {
  flex: 1;
  position: relative;
  overflow: hidden;
  min-height: 0;
}

.sidebar-view-leaf {
  position: absolute;
  inset: 0;
  overflow: auto;
  /* The shell's touch-action does not reach past this scroll container in
   * Chromium. Keep vertical scrolling native while retaining horizontal
   * pointer events for dismissing either side panel. */
  touch-action: pan-y pinch-zoom;
}

/* Obsidian ItemView creates .view-content > .view-content-inner.
   These must fill the sidebar-view-leaf so plugins using height: 100%
   (like Map Viewer's Leaflet container) render correctly. */
.sidebar-view-leaf > .view-content {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.sidebar-view-leaf > .view-content > .view-content-inner {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.sidebar-view-leaf[data-visible="false"] {
  display: none;
}

.sidebar-view-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-tertiary);
  font-size: 0.8125rem;
  padding: 1rem;
  text-align: center;
}

/* Loading lives inside the actual panel. The surrounding shell owns visibility;
 * the existing chrome/tab/file-tree classes own every row and control height. */
.sidebar-loading__tab {
  box-shadow: inset 0 -1px var(--border-color);
}

.sidebar-loading__title {
  font-size: 0.6875rem;
  width: 5ch;
  height: 0.6875rem;
  background: var(--bg-tertiary);
}

.sidebar-loading__action {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
}

.sidebar-loading__row {
  cursor: default;
  pointer-events: none;
}

.sidebar-loading__label {
  position: relative;
  color: transparent;
  line-height: inherit;
  flex-shrink: 1;
}

.sidebar-loading__label::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1em;
  transform: translateY(-50%);
  background: var(--bg-tertiary);
}