/* Cockpit — Private Forums mode header */
.cockpit-private-forums-header .pf-create-bar,
#privateForumsChrome .pf-create-bar {
  flex-shrink: 0;
  padding: 0 0 0.35rem;
}

#privateForumsChrome.hidden {
  display: none;
}


#sharedRoot.mode-root {
  flex: 1 1 auto;
  min-height: 0;
}

/* Lens keyboard — focus flash + help toast */
.lens-kbd-focus-flash {
  outline: 2px solid var(--accent, #2563eb);
  outline-offset: 2px;
  transition: outline-color 0.15s ease;
}

.cockpit-lens-kbd-toast {
  position: fixed;
  z-index: 12000;
  left: 50%;
  bottom: 1.25rem;
  transform: translateX(-50%) translateY(0.5rem);
  max-width: min(92vw, 42rem);
  padding: 0.65rem 1rem;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.45;
  color: var(--text, #1e293b);
  background: var(--surface, #fff);
  border: 1px solid var(--border, rgba(128, 128, 128, 0.35));
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.14);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.cockpit-lens-kbd-toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.archive-tree .archive-node.active,
.archive-tree .research-node.active,
.archive-tree .photo-album-node.active {
  outline: none;
}

.archive-tree .tree-header:has(.bb-tree-focus:focus-visible),
.archive-tree li:not(:has(> .tree-header)):has(> .bb-tree-focus:focus-visible),
.archive-tree .bb-tree-focus:focus-visible,
.archive-cabinet-wall .bb-tree-focus:focus-visible,
.bb-tree-focus:focus-visible {
  outline: none;
  box-shadow:
    var(--bb-tree-hover-edge, inset 0 0 0 1px color-mix(in srgb, var(--accent, #2563eb) 22%, transparent)),
    var(--bb-tree-focus-ring, 0 0 0 2px color-mix(in srgb, var(--accent, #2563eb) 45%, transparent));
  border-radius: 6px;
}

.archive-tree .bb-tree-focus:focus-visible {
  background: transparent;
}

.bb-tree-focus[aria-selected="true"] {
  scroll-margin-block: 12px;
}

.archive-tree .book-page-btn.active,
.archive-tree .drawer-note-card.active,
.archive-tree .photo-album-tree-photo-btn.active,
.archive-cabinet-wall .cabinet-note-card--active {
  scroll-margin-block: 12px;
}

/* Skip link — visible on keyboard focus */
.bb-skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  z-index: 10000;
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  color: var(--text, #1e293b);
  background: var(--surface, #fff);
  border: 2px solid var(--accent, #2563eb);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.bb-skip-link:focus {
  position: fixed;
  left: 0.75rem;
  top: 0.75rem;
  width: auto;
  height: auto;
  overflow: visible;
}

.archive-main,
.cockpit-shared-shell {
  position: relative;
}

/* Sidebar layout lens — tab-friendly (matches forum pf-view-switch) */
.bb-lens-switch {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--border, #d1d5db);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface-muted, #f3f4f6);
  max-width: 100%;
}

.bb-lens-switch__btn {
  font: inherit;
  font-size: 11px;
  font-weight: 600;
  padding: 6px 7px;
  border: none;
  background: transparent;
  color: var(--text-muted, #64748b);
  cursor: pointer;
  white-space: nowrap;
}

.bb-lens-switch__btn + .bb-lens-switch__btn {
  border-left: 1px solid var(--border, #d1d5db);
}

.bb-lens-switch__btn:hover,
.bb-lens-switch__btn:focus-visible {
  color: var(--text);
  background: color-mix(in srgb, var(--accent, #2563eb) 8%, transparent);
  outline: none;
}

.bb-lens-switch__btn--active,
.bb-lens-switch__btn[aria-pressed="true"] {
  color: var(--accent, #2563eb);
  background: var(--bg, #fff);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent, #2563eb) 35%, transparent);
}

.bb-lens-select--companion {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sidebar-header-actions {
  flex-wrap: wrap;
  gap: 6px;
}

.pf-list-card:focus-visible,
.pf-max-card:focus-visible,
tr.pf-list-table__row:focus-visible {
  outline: 2px solid var(--accent, #2563eb);
  outline-offset: 2px;
}

body.pf-reader-open:has(#sharedRoot:not(.hidden)) {
  overflow: hidden;
}

body.pf-reader-open:has(#sharedRoot:not(.hidden)) #sharedRoot.mode-root {
  overflow: hidden;
}

.cockpit-shared-shell {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1 1 auto;
  min-height: 0;
  padding: 0.75rem 1rem 1rem;
  box-sizing: border-box;
}

body.pf-reader-open:has(#sharedRoot:not(.hidden)) .cockpit-shared-shell {
  overflow: hidden;
}

.cockpit-shared-header {
  flex-shrink: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color, rgba(128, 128, 128, 0.25));
}

.cockpit-shared-title {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
  font-weight: 700;
}

.cockpit-shared-toolbar .public-forums-topics-field--actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
}

.cockpit-shared-lead {
  margin: 0;
  max-width: 42rem;
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--text-muted, #666);
}

.cockpit-shared-toolbar {
  flex: 1 1 280px;
  justify-content: flex-start;
}

/* Main canvas scroll — browse posts when reader is closed */
.cockpit-shared-canvas {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding-right: 2px;
}

#sharedRoot .pf-workspace {
  margin-top: 0;
  overflow: visible;
}

#sharedRoot .cockpit-shared-canvas:not(.cockpit-shared-canvas--split) .pf-workspace {
  min-height: min-content;
}

/* Reader open: fill remaining shell height; feed + pane each scroll internally */
#sharedRoot .cockpit-shared-canvas--split {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  flex: 1 1 0;
  min-height: 0;
}

#sharedRoot .cockpit-shared-canvas--split .pf-workspace {
  flex: 1 1 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#sharedRoot .public-forums-status {
  margin: 0;
  flex-shrink: 0;
}

#sharedRoot .pf-layout {
  position: relative;
  width: 100%;
}

#sharedRoot .pf-feed {
  width: 100%;
  min-width: 0;
}

#sharedRoot .cockpit-shared-canvas--split .pf-layout--reader-open {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  gap: 0;
  flex: 1 1 0;
  min-height: 0;
  height: 0;
  overflow: hidden;
}

#sharedRoot .cockpit-shared-canvas--split .pf-layout--reader-open .pf-feed {
  flex: 1 1 52%;
  max-width: 58%;
  min-width: 0;
  min-height: 0;
  max-height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding-right: 4px;
}

#sharedRoot .pf-reader {
  flex: 0 0 0;
  width: 0;
  min-width: 0;
  max-width: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  border-left: 0 solid transparent;
  transition:
    flex-basis 0.28s ease,
    width 0.28s ease,
    max-width 0.28s ease,
    opacity 0.22s ease,
    border-color 0.28s ease;
}

#sharedRoot .cockpit-shared-canvas--split .pf-layout--reader-open .pf-reader {
  position: relative;
  top: auto;
  align-self: stretch;
  flex: 0 0 45%;
  width: 45%;
  height: 100%;
  max-height: 100%;
  min-height: 0;
  min-width: min(320px, 42vw);
  max-width: min(520px, 48vw);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  border-left: 1px solid var(--border, rgba(128, 128, 128, 0.35));
  box-shadow: -8px 0 24px rgba(15, 23, 42, 0.08);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  margin-top: 0;
  border-radius: 0;
}

#sharedRoot .cockpit-shared-canvas--split .pf-reader__head {
  flex-shrink: 0;
}

#sharedRoot .cockpit-shared-canvas--split .pf-reader__body {
  flex: 1 1 0;
  min-height: 0;
  max-height: none;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px 14px 20px;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

#sharedRoot .pf-reader__body {
  flex: 1 1 auto;
  min-height: 0;
  max-height: none;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px 14px 20px;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

#sharedRoot .pf-reader__body .pf-detail {
  border: 1px solid var(--pf-post-border, var(--border, rgba(100, 116, 139, 0.45)));
  border-radius: 12px;
  padding: 16px 18px;
  background: var(--bg, #fff);
  box-shadow: var(--pf-post-shadow, 0 1px 3px rgba(15, 23, 42, 0.06));
  margin-bottom: 14px;
}

#sharedRoot .pf-reader__head .pf-reader__comment-jump {
  margin-left: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent, #2563eb);
  text-decoration: none;
  white-space: nowrap;
}

#sharedRoot .pf-reader__head .pf-reader__comment-jump:hover {
  text-decoration: underline;
}

#sharedRoot .pf-reader-backdrop {
  display: block;
}

@media (max-width: 720px) {
  #sharedRoot .cockpit-shared-canvas--split .pf-layout--reader-open .pf-feed {
    flex: 1 1 auto;
    max-width: 100%;
    min-height: 0;
    max-height: none;
    overflow-y: auto;
  }

  /* Prefer full-screen read below cockpit chrome (logo + mode strip). */
  #sharedRoot .cockpit-shared-canvas--split .pf-layout--reader-open .pf-reader,
  body.pf-reader-open:has(#sharedRoot:not(.hidden)) #sharedRoot .pf-reader {
    position: fixed !important;
    top: var(--pf-reader-inset-top, 56px) !important;
    right: 0 !important;
    left: 0 !important;
    bottom: auto !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    height: calc(100dvh - var(--pf-reader-inset-top, 56px) - var(--pf-reader-inset-bottom, 0px)) !important;
    max-height: calc(100dvh - var(--pf-reader-inset-top, 56px) - var(--pf-reader-inset-bottom, 0px)) !important;
    z-index: 100050;
    border-left: none;
    border-top: none;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    transform: none !important;
  }

  #sharedRoot .cockpit-shared-canvas--split .pf-layout--reader-open .pf-reader__head,
  body.pf-reader-open:has(#sharedRoot:not(.hidden)) #sharedRoot .pf-reader__head {
    display: flex !important;
    visibility: visible !important;
    flex: 0 0 auto;
    position: relative;
    z-index: 6;
  }

  #sharedRoot .cockpit-shared-canvas--split .pf-layout--reader-open .pf-reader__body,
  body.pf-reader-open:has(#sharedRoot:not(.hidden)) #sharedRoot .pf-reader__body {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    max-height: none;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-y;
  }

  #sharedRoot .pf-reader__maximize {
    display: none !important;
  }

  #sharedRoot .pf-reader__body,
  #sharedRoot .pf-reader__body .pf-detail,
  #sharedRoot .pf-reader__body .pf-detail--reader {
    max-width: 100%;
    box-sizing: border-box;
  }

  #sharedRoot .pf-reader__body .pf-detail,
  #sharedRoot .pf-reader__body .pf-detail--reader {
    overflow-x: hidden;
  }

  #sharedRoot .pf-reader__body table {
    display: block;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: auto;
  }

  #sharedRoot .pf-reader__body img,
  #sharedRoot .pf-reader__body video,
  #sharedRoot .pf-reader__body iframe,
  #sharedRoot .pf-reader__body pre {
    max-width: 100% !important;
  }
}

/* Maximized discussion pane — Shared / Private Forums in cockpit (not the Max lens) */
body.pf-reader-maximized.pf-reader-open:has(#sharedRoot:not(.hidden)) {
  overflow: hidden;
}

body.pf-reader-maximized.pf-reader-open:has(#sharedRoot:not(.hidden)) #sharedRoot .pf-reader {
  position: fixed;
  top: var(--pf-reader-inset-top, 56px);
  right: 0;
  left: 0;
  bottom: auto;
  width: 100% !important;
  max-width: none !important;
  min-width: 0 !important;
  height: calc(100dvh - var(--pf-reader-inset-top, 56px) - var(--pf-reader-inset-bottom, 0px)) !important;
  max-height: calc(100dvh - var(--pf-reader-inset-top, 56px) - var(--pf-reader-inset-bottom, 0px)) !important;
  flex: none !important;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: none;
  z-index: 100050;
  border-left: 0;
  border-radius: 0;
  box-shadow: 0 -6px 28px rgba(15, 23, 42, 0.12);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

body.pf-reader-maximized.pf-reader-open:has(#sharedRoot:not(.hidden)) #sharedRoot .pf-feed {
  visibility: hidden;
  pointer-events: none;
}

body.pf-reader-maximized.pf-reader-open:has(#sharedRoot:not(.hidden)) #sharedRoot .pf-reader-backdrop {
  display: none !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

body.pf-reader-maximized.pf-reader-open:has(#sharedRoot:not(.hidden)) #sharedRoot .pf-reader__body {
  flex: 1 1 auto;
  min-height: 0;
  max-height: none;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  touch-action: pan-y;
}

/* Post cards — clear borders and vertical rhythm */
#sharedRoot .pf-list-wrap--more,
#sharedRoot .pf-list-wrap--minimal,
#sharedRoot .pf-list-wrap--max {
  gap: 14px;
}

#sharedRoot .pf-list-card {
  position: relative;
  border: 2px solid var(--pf-post-border, var(--border, rgba(100, 116, 139, 0.45)));
  border-radius: 12px;
  background: var(--bg, #fff);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

#sharedRoot .pf-list-card--selected,
#privateForumsChrome .pf-list-card--selected,
#sharedRoot .pf-max-card--selected,
#privateForumsChrome .pf-max-card--selected,
#sharedRoot .pf-list-table__row--selected,
#privateForumsChrome .pf-list-table__row--selected,
#sharedRoot .pf-list-card.pf-list-card--selected,
#privateForumsChrome .pf-list-card.pf-list-card--selected,
#sharedRoot .pf-list-card[aria-current="true"],
#privateForumsChrome .pf-list-card[aria-current="true"],
#sharedRoot .pf-max-card.pf-max-card--selected,
#privateForumsChrome .pf-max-card.pf-max-card--selected,
#sharedRoot .pf-max-card[aria-current="true"],
#privateForumsChrome .pf-max-card[aria-current="true"],
#sharedRoot tr.pf-list-table__row.pf-list-table__row--selected,
#privateForumsChrome tr.pf-list-table__row.pf-list-table__row--selected,
#sharedRoot tr.pf-list-table__row[aria-current="true"],
#privateForumsChrome tr.pf-list-table__row[aria-current="true"] {
  --pf-sel-accent: var(--accent, #2563eb);
  border-color: color-mix(in srgb, var(--pf-sel-accent) 82%, var(--border, rgba(100, 116, 139, 0.45)));
  background:
    linear-gradient(90deg, var(--pf-sel-accent) 0 4px, transparent 4px),
    color-mix(in srgb, var(--bg, #fff) 80%, var(--pf-sel-accent) 20%);
  box-shadow:
    0 0 0 2px color-mix(in srgb, var(--pf-sel-accent) 45%, transparent),
    0 4px 14px color-mix(in srgb, var(--pf-sel-accent) 18%, rgba(15, 23, 42, 0.12));
  outline: 2px solid color-mix(in srgb, var(--pf-sel-accent) 62%, transparent);
  outline-offset: 0;
  z-index: 1;
}

#sharedRoot .pf-list-card.pf-list-card--selected::before,
#privateForumsChrome .pf-list-card.pf-list-card--selected::before,
#sharedRoot .pf-list-card[aria-current="true"]::before,
#privateForumsChrome .pf-list-card[aria-current="true"]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: 10px 0 0 10px;
  background: var(--pf-sel-accent, var(--accent, #2563eb));
  pointer-events: none;
}

#sharedRoot .pf-list-card--selected .pf-list-card__title,
#privateForumsChrome .pf-list-card--selected .pf-list-card__title,
#sharedRoot .pf-list-card[aria-current="true"] .pf-list-card__title,
#privateForumsChrome .pf-list-card[aria-current="true"] .pf-list-card__title,
#sharedRoot .pf-max-card--selected .pf-max-card__title,
#privateForumsChrome .pf-max-card--selected .pf-max-card__title,
#sharedRoot tr.pf-list-table__row--selected .pf-list-table__title,
#privateForumsChrome tr.pf-list-table__row--selected .pf-list-table__title {
  color: var(--pf-sel-accent, var(--accent, #2563eb));
  font-weight: 800;
}

#sharedRoot .pf-list-card__top {
  justify-content: flex-start;
}

#sharedRoot .pf-list-card__title-block {
  margin-bottom: 4px;
}

#sharedRoot .pf-post-category-under-title {
  margin-top: 6px;
  text-align: left;
}

#sharedRoot .pf-shared-post-category {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 8px 12px;
  margin: 0;
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid var(--border, rgba(128, 128, 128, 0.3));
  background: color-mix(in srgb, var(--bg) 92%, var(--accent, #2563eb) 8%);
  max-width: 100%;
}

#sharedRoot .pf-shared-post-category .pf-admin-category-label {
  margin: 0;
  flex: 0 0 auto;
}

#sharedRoot .pf-shared-post-category .pf-admin-category-select,
#sharedRoot .pf-shared-post-category .pf-shared-category-select {
  flex: 0 1 220px;
  min-width: 120px;
  max-width: 100%;
}

#sharedRoot .pf-shared-detail-meta {
  margin: 0.5rem 0 0.75rem;
}

#sharedRoot .pf-shared-detail-meta .pf-shared-post-category {
  margin-top: 0.35rem;
}

#sharedRoot .pf-shared-post-via {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.5rem;
  margin-top: 0.25rem;
}

#sharedRoot .pf-shared-post-category__value {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

#sharedRoot .pf-admin-category-wrap--inline {
  position: static;
  top: auto;
  right: auto;
  z-index: auto;
}

#sharedRoot .pf-pager {
  margin: 8px 0 12px;
}

@media (max-width: 720px) {
  .cockpit-shared-header {
    flex-direction: column;
  }
  .cockpit-shared-toolbar {
    width: 100%;
  }
}

.pf-shared-author-filter {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.pf-shared-author-input {
  min-width: 8rem;
  flex: 1 1 auto;
}

.pf-shared-source-cta {
  margin: 0.75rem 0 0.5rem;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  background: color-mix(in srgb, var(--accent, #64748b) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent, #64748b) 22%, transparent);
}

.pf-shared-source-hint {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
}