/* Outline, pad, and dictionary drawer styles extracted from styles.css */
.outline-drawer {
  position: absolute;
  inset: 0;
  z-index: 320;
  display: flex;
  justify-content: flex-start;
  align-items: stretch;
  gap: var(--layout-gap);
  pointer-events: none;
  opacity: 0;
  transition: opacity 100ms ease-in-out;
  padding: var(--layout-gap);
  box-sizing: border-box;
}

/* Pad drawer (notes) — similar to outline drawer but wider and without stats */
.pad-drawer {
  position: absolute;
  inset: 0;
  z-index: 320;
  display: flex;
  justify-content: flex-start;
  align-items: stretch;
  pointer-events: none;
  opacity: 0;
  transition: opacity 100ms ease-in-out;
  padding: var(--layout-gap);
  box-sizing: border-box;
}
.pad-drawer .pad-backdrop {
  position: absolute;
  inset: 0;
  background-color: var(--backdrop-color);
  backdrop-filter: blur(var(--backdrop-blur));
  -webkit-backdrop-filter: blur(var(--backdrop-blur));
  z-index: 0;
  pointer-events: none;
}
.pad-drawer .pad-panel {
  width: min(clamp(560px, 64vw, 840px), 100%); /* roughly twice the outline width */
  max-width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: 100%;
  transform: translateX(calc(-1 * var(--slide-offset)));
  transition: transform 100ms ease, opacity 100ms ease;
  opacity: 0;
  position: relative;
  z-index: 1;
}
.pad-drawer.open { pointer-events: auto; opacity: 1; }
.pad-drawer.open .pad-backdrop { pointer-events: auto; }
.pad-drawer.open .pad-panel { transform: translateX(0); opacity: 1; }
.pad-panel__body {
  padding: var(--panel-body-padding);
  overflow: hidden; /* scrollers inside body */
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--panel-body-gap);
}

.pad-scroll {
  flex: 1;
  min-height: 0; /* critical so it can shrink inside flex container */
  overflow: auto; /* OverlayScrollbars will take over */
  /* Extend into the panel body padding on the inline-end side so the
     custom scrollbar (rendered inside .os-host) visually hugs the panel
     edge instead of appearing inset. This avoids changing panel padding
     while keeping content alignment stable. */
  width: calc(100% + var(--panel-body-padding));
  margin-inline-end: calc(-1 * var(--panel-body-padding));
}

/* Ensure editor content keeps a breathing room on all sides and avoids
   underlapping the scrollbar when the host is flush with the panel edge. */
.pad-editor {
  width: 100%;
  min-height: 100%;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: var(--ui-font);
  font-size: var(--ui-font-size);
  line-height: var(--ui-line-height);
  box-sizing: border-box;
  /* The panel body provides uniform padding. Keep the editor itself
     flush (no internal top/right/bottom/left padding) so measurements
     and selection metrics reflect the editor content area. Preserve
     an inline-end inset to account for scrollbar width when needed. */
  padding: 0;
  outline: none;
  white-space: pre-wrap; /* preserve newlines */
  word-break: break-word;
}

.pad-editor:empty::before {
  content: "";
}

/* Make OverlayScrollbars hug the panel edge for all panel-scrollable areas
   (drive lists, outline, dictionary, file modals). We extend the scroll host
   into the panel body padding on the inline-end side so the custom scrollbar
   visually sits at the panel edge without changing the panel's outer padding. */
.panel-scrollable[data-overlayscrollbars-initialize],
.panel-scrollable.os-host {
  width: calc(100% + var(--panel-body-padding));
  margin-inline-end: calc(-1 * var(--panel-body-padding));
}

/* Ensure inner content has enough breathing room so text doesn't underlap
   the scrollbar when it sits flush to the panel edge. */
.panel-scrollable .os-content,
.panel-scrollable .os-viewport,
.panel-scrollable[data-overlayscrollbars-initialize] .os-content {
  padding-inline-end: calc(var(--panel-body-padding) + 12px);
}

/* Drive, outline, and dictionary lists use compact rows — ensure their
   content area gets the same inset for consistent visuals. */
.drive-list .os-content,
.scene-outline-list .os-content {
  padding-inline-end: calc(var(--panel-body-padding) + 12px);
}
/* Dictionary panel scrollbar has no padding to allow edge-to-edge list */
.dictionary-panel__body .os-content {
  padding: 0;
}

/* Edge-hug behavior for specific modal lists (Drive file list & picker options).
   Don't apply this globally to all settings panels to avoid removing padding
   from generic settings and file modals. */
#drive-file-list[data-overlayscrollbars-initialize],
#drive-file-list.os-host,
#drive-file-list {
  width: calc(100% + var(--panel-body-padding));
  margin-inline-end: calc(-1 * var(--panel-body-padding));
}

#drive-file-list .os-content,
#drive-file-list .os-viewport,
#drive-file-list {
  padding-inline-end: calc(var(--panel-body-padding) + 12px);
}

/* Picker options list (used in and near modals) */
.picker-modal .picker-options[data-overlayscrollbars-initialize],
.picker-modal .picker-options.os-host,
.picker-modal .picker-options {
  width: calc(100% + var(--panel-body-padding));
  margin-inline-end: calc(-1 * var(--panel-body-padding));
}

.picker-modal .picker-options .os-content,
.picker-modal .picker-options .os-viewport,
.picker-modal .picker-options {
  padding-inline-end: calc(var(--panel-body-padding) + 12px);
}

.outline-drawer .outline-backdrop {
  position: absolute;
  inset: 0;
  background-color: var(--backdrop-color);
  backdrop-filter: blur(var(--backdrop-blur));
  -webkit-backdrop-filter: blur(var(--backdrop-blur));
  z-index: 0;
  pointer-events: none;
}
.outline-drawer .outline-panel {
  width: min(clamp(280px, 32vw, 420px), 100%);
  max-width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: 100%;
  transform: translateX(calc(-1 * var(--slide-offset)));
  transition: transform 100ms ease, opacity 100ms ease;
  opacity: 0;
  position: relative;
  z-index: 1;
}
.outline-drawer .outline-stats-panel {
  width: min(260px, 100%);
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: auto;
  align-self: flex-start;
  transform: translateX(calc(-1 * var(--slide-offset)));
  transition: transform 100ms ease 100ms, opacity 100ms ease 100ms;
  opacity: 0;
  position: relative;
  z-index: 1;
}
.outline-drawer.open {
  pointer-events: auto;
  opacity: 1;
}
.outline-drawer.open .outline-backdrop {
  pointer-events: auto;
}
.outline-drawer.open .outline-panel {
  transform: translateX(0);
  opacity: 1;
}
.outline-drawer.open .outline-stats-panel {
  transform: translateX(0);
  opacity: 1;
}
.outline-stats-body {
  padding: var(--panel-body-padding);
  display: flex;
  flex-direction: column;
  gap: var(--panel-body-gap);
}
.scene-outline-count { color: var(--placeholder-muted); font-size: var(--ui-font-size); }
.outline-panel__body {
  padding: var(--panel-body-padding);
  overflow: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--panel-body-gap);
}
.scene-outline-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--list-gap); }
.scene-outline-list li { margin: 0; padding: 0; }
/* Shared row style used across panels: outline rows, drive lists, dictionary rows, and picker options
  Keep behavior in a single place so spacing and hover states remain consistent. */
.panel-row,
.scene-outline__row {
  /* Match suggestion/drive item styling for consistent flat UI */
  width: 100%; border: none; background: transparent; display: flex; align-items: center;
  gap: var(--control-gap); padding: var(--space-sm) var(--space-sm); cursor: pointer;
  text-align: left; color: var(--ui-text-default); font-family: inherit; min-height: auto;
  transition: background var(--ui-transition-fast), 
              color var(--ui-transition-fast);
}
.scene-outline__row.scene-outline__section::before,
.scene-outline__row.scene-outline__section .scene-outline__title::before,
.scene-outline__row .scene-outline__title::before {
  /* Ensure no decorative marker is shown for section rows — use padding
     (applied inline by JS) to indicate nesting instead of a glyph. */
  content: none !important;
}

.scene-outline__row.scene-outline__section {
  /* Use muted text for sections and rely on padding for indentation. */
  color: var(--placeholder-muted);
}

.scene-outline__indent {
  color: var(--placeholder-muted);
  margin-right: 0.5rem;
  font-family: var(--ui-font);
  font-size: var(--ui-font-size);
  white-space: nowrap;
  opacity: 0.9;
}
.scene-outline__row:hover,
.panel-row:hover {
  background: var(--ui-hover-bg);
  color: var(--ui-text-hover);
}

.scene-outline__row:focus,
.panel-row:focus {
  outline: none; /* hide default focus outline */
}

.scene-outline__row:focus-visible,
.panel-row:focus-visible {
  background: var(--ui-hover-bg);
  color: var(--ui-text-focus);
  outline: none;
}
.scene-outline__number { font-weight: var(--ui-font-weight); min-width: 2.5rem; text-align: right; color: inherit; opacity: 0.7; }
.scene-outline__title { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-family: var(--ui-font); color: inherit; }
.scene-outline__meta { font-size: var(--ui-font-size); color: inherit; opacity: 0.6; }
.scene-outline-empty { margin: var(--control-gap) 0 0; font-size: var(--ui-font-size); color: var(--placeholder-muted); }
.outline-panel.is-empty .scene-outline-list { display: none; }
.outline-panel:not(.is-empty) .scene-outline-empty { display: none; }

/* Collapse/expand toggle button — align with other header buttons */
.outline-panel__header button, .outline-panel__header .status-link, .outline-panel__header .header-actions {
  line-height: 1; display: inline-flex; align-items: center; vertical-align: middle;
}

.outline-collapse-toggle {
  /* Use the same control padding and sizing as other UI buttons */
  padding: var(--control-padding-vert) var(--control-padding-horiz);
  font-size: var(--ui-font-size);
  color: var(--text);
  background: transparent;
  /* Use the unified UI border token to match other buttons */
  border: 1px solid var(--ui-border-default);
  border-radius: 0;
  cursor: pointer;
  min-height: var(--control-height);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  transition: background-color 150ms, border-color 150ms, color 150ms;
}
.outline-collapse-toggle:hover {
  /* Rely on shared hover tokens so behavior is identical to other buttons */
  background: var(--ui-hover-bg);
  border-color: var(--ui-border-hover);
  color: var(--ui-text-hover);
}
.outline-collapse-toggle:focus-visible {
  /* Rely on shared focus-visible tokens defined in layout so focus is consistent */
  background: var(--ui-hover-bg);
  border-color: var(--ui-border-focus);
  color: var(--ui-text-focus);
  outline: none;
}

/* When outline is collapsed, hide scene rows (but keep sections visible) */
.outline-panel.is-collapsed .scene-outline__row:not(.scene-outline__section) {
  display: none;
}

/* Dictionary drawer */
.dictionary-drawer {
  position: absolute;
  inset: 0;
  z-index: 320;
  display: flex;
  justify-content: flex-start;
  align-items: stretch;
  pointer-events: none;
  opacity: 0;
  transition: opacity 100ms ease-in-out;
  padding: var(--layout-gap);
  box-sizing: border-box;
}
.dictionary-drawer .dictionary-backdrop {
  position: absolute;
  inset: 0;
  background-color: var(--backdrop-color);
  backdrop-filter: blur(var(--backdrop-blur));
  -webkit-backdrop-filter: blur(var(--backdrop-blur));
  z-index: 0;
  pointer-events: none;
}
.dictionary-drawer .dictionary-panel {
  width: min(clamp(240px, 28vw, 340px), 100%);
  max-width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: 100%;
  transform: translateX(calc(-1 * var(--slide-offset)));
  transition: transform 100ms ease, opacity 100ms ease;
  opacity: 0;
  position: relative;
  z-index: 1;
}
.dictionary-drawer.open {
  pointer-events: auto;
  opacity: 1;
}
.dictionary-drawer.open .dictionary-backdrop {
  pointer-events: auto;
}
.dictionary-drawer.open .dictionary-panel {
  transform: translateX(0);
  opacity: 1;
}
.dictionary-word-count { color: var(--placeholder-muted); font-size: var(--ui-font-size); }
.dictionary-panel__body {
  padding: 0; /* no padding to allow edge-to-edge list */
  overflow: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0; /* no gap for edge-to-edge list */
}
/* Dictionary list styled to match spellcheck suggestions: edge-to-edge, border dividers, consistent hover */
.dictionary-word-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0; /* no gaps, use borders instead */
}
.dictionary-word-list li {
  margin: 0;
  padding: 0;
}
.dictionary-word-list .dictionary-word-row {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--control-gap);
  padding: 12px 16px; /* match spellcheck suggestions */
  background: transparent;
  border: none;
  border-top: 1px solid var(--border); /* border divider like spellcheck */
  cursor: pointer;
  color: var(--text);
  transition: background var(--ui-transition-fast), color var(--ui-transition-fast);
  min-height: auto;
  text-align: left;
}
/* First item has no border to avoid double-border at top */
.dictionary-word-list li:first-child .dictionary-word-row {
  border-top: none;
}
/* Hover state: apply background to entire row like spellcheck */
.dictionary-word-list .dictionary-word-row:hover,
.dictionary-word-list .dictionary-word-row:focus-visible {
  background: var(--ui-hover-bg);
  color: var(--ui-text-hover);
  outline: none;
}
.dictionary-word-list .word-text {
  flex: 1;
  min-width: 0;
  font-family: var(--ui-font);
  font-size: var(--ui-font-size);
  color: inherit;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.dictionary-word-list .word-delete {
  /* Remove button: visible on hover/focus, compact on right side */
  opacity: 0;
  background: transparent;
  border: none;
  padding: var(--space-xs) var(--space-sm);
  margin: 0;
  min-height: auto;
  font-size: var(--ui-font-size);
  font-family: var(--ui-font);
  color: inherit; /* inherit row hover color */
  cursor: pointer;
  transition: opacity var(--ui-transition-fast), color var(--ui-transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.dictionary-word-list .dictionary-word-row:hover .word-delete,
.dictionary-word-list .dictionary-word-row:focus-visible .word-delete {
  opacity: 0.7;
}
.dictionary-word-list .word-delete:hover,
.dictionary-word-list .word-delete:focus-visible {
  opacity: 1;
  color: var(--accent);
  outline: none;
}
/* Empty state message needs padding since body has none */
.dictionary-empty {
  margin: 0;
  padding: var(--panel-body-padding);
  font-size: var(--ui-font-size);
  color: var(--placeholder-muted);
}
.dictionary-panel.is-empty .dictionary-word-list { display: none; }
.dictionary-panel:not(.is-empty) .dictionary-empty { display: none; }