* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* -- Quick Access Toolbar ------------------------------------------ */
.qat {
  display: flex;
  align-items: center;
  padding: 1px 4px;
  background: var(--sz-color-active-title);
  gap: 1px;
  flex-shrink: 0;
  min-height: 20px;
}

.qat-btn {
  width: 20px;
  height: 18px;
  border: none;
  background: transparent;
  cursor: default;
  font-size: 11px;
  border-radius: 2px;
  color: var(--sz-color-title-text);
}

.qat-btn:hover:not(:disabled) { background: rgba(255,255,255,0.2); }
.qat-btn:disabled { opacity: 0.4; }

/* -- Ribbon Tab Bar ------------------------------------------------ */
.ribbon-tabs {
  flex-shrink: 0;
  background: var(--sz-color-button-face);
  border-bottom: 1px solid var(--sz-color-button-shadow);
}

.ribbon-tab-bar {
  display: flex;
  align-items: flex-end;
  padding: 0 2px;
}

.ribbon-file-btn {
  padding: 4px 14px;
  font: inherit;
  font-weight: bold;
  font-size: 11px;
  border: none;
  background: var(--sz-color-highlight);
  color: var(--sz-color-highlight-text);
  border-radius: 3px 3px 0 0;
  margin-right: 2px;
  cursor: default;
}

.ribbon-file-btn:hover { opacity: 0.85; }

.ribbon-tab {
  padding: 4px 12px;
  border: 1px solid transparent;
  border-bottom: none;
  background: transparent;
  color: var(--sz-color-button-text);
  border-radius: 3px 3px 0 0;
  position: relative;
  top: 1px;
  font: inherit;
  font-size: 11px;
  cursor: default;
}

.ribbon-tab:hover { background: rgba(0,0,0,0.04); }

.ribbon-tab.active {
  background: var(--sz-color-window);
  border-color: var(--sz-color-button-shadow);
  color: var(--sz-color-window-text);
  font-weight: bold;
}

/* -- Backstage (File menu) ----------------------------------------- */
.backstage {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 5000;
  background: rgba(0,0,0,0.3);
}

.backstage.visible { display: flex; }

.backstage-sidebar {
  width: 220px;
  background: var(--sz-color-highlight);
  display: flex;
  flex-direction: column;
  padding: 4px 0;
  box-shadow: 2px 0 8px rgba(0,0,0,0.3);
}

.backstage-back {
  border: none;
  background: transparent;
  color: var(--sz-color-highlight-text);
  font-size: 18px;
  padding: 6px 16px;
  text-align: left;
  cursor: default;
}

.backstage-back:hover { background: rgba(255,255,255,0.15); }

.backstage-item {
  border: none;
  background: transparent;
  color: var(--sz-color-highlight-text);
  padding: 8px 24px;
  text-align: left;
  cursor: default;
  font: inherit;
  font-size: 11px;
  width: 100%;
}

.backstage-item:hover { background: rgba(255,255,255,0.15); }
.backstage-item:disabled { opacity: 0.4; }

.backstage-sep {
  height: 1px;
  background: rgba(255,255,255,0.2);
  margin: 4px 16px;
}

.backstage-spacer { flex: 1; }

/* -- Ribbon Panels ------------------------------------------------- */
.ribbon-panel {
  display: none;
  flex-direction: row;
  align-items: stretch;
  padding: 2px 4px 0;
  background: var(--sz-color-window);
  border-bottom: 1px solid var(--sz-color-button-shadow);
  flex-shrink: 0;
  min-height: 82px;
  overflow-x: auto;
  overflow-y: hidden;
}

.ribbon-panel.active { display: flex; }

.ribbon-group {
  display: flex;
  flex-direction: column;
  padding: 2px 4px 0;
  min-width: 0;
  flex-shrink: 0;
}

.ribbon-group-content {
  display: flex;
  align-items: flex-start;
  gap: 2px;
  flex: 1;
  min-height: 0;
}

.ribbon-group-label {
  text-align: center;
  font-size: 9px;
  color: var(--sz-color-gray-text);
  padding: 1px 4px 2px;
  white-space: nowrap;
  border-top: 1px solid var(--sz-color-button-light, transparent);
}

.ribbon-sep {
  width: 1px;
  background: var(--sz-color-button-shadow);
  margin: 2px 3px;
  align-self: stretch;
  flex-shrink: 0;
  opacity: 0.4;
}

.rb-btn {
  border: 1px solid transparent;
  background: transparent;
  cursor: default;
  color: var(--sz-color-button-text);
  font: inherit;
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1px 3px;
  border-radius: 2px;
}

.rb-btn:hover:not(:disabled) {
  background: var(--sz-color-button-highlight);
  border-color: var(--sz-color-button-shadow);
}

.rb-btn.active {
  background: var(--sz-color-button-highlight);
  border-color: var(--sz-color-button-shadow);
  font-weight: bold;
}

.rb-btn:disabled { color: var(--sz-color-gray-text); opacity: 0.6; }

.rb-btn-lg {
  flex-direction: column;
  padding: 4px 8px;
  min-width: 44px;
  height: 100%;
  gap: 2px;
}

.rb-btn-sm {
  gap: 4px;
  padding: 1px 4px;
  min-height: 20px;
  justify-content: flex-start;
}

.rb-stack {
  display: flex;
  flex-direction: column;
  gap: 1px;
  justify-content: flex-start;
}

.rb-row {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
}

.rb-icon { font-size: 12px; flex-shrink: 0; }
.rb-icon-lg { font-size: 18px; }

/* -- Explorer Body (sidebar + pane root) --------------------------- */
.explorer-body {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-height: 0;
}

/* -- Sidebar ------------------------------------------------------- */
.sidebar {
  width: 200px;
  border-right: 1px solid var(--sz-color-button-shadow);
  overflow-y: auto;
  background: var(--sz-color-window);
  padding: 2px 0;
  flex-shrink: 0;
}

.sidebar.hidden { display: none; }

.sidebar-filter {
  display: block;
  width: calc(100% - 8px);
  margin: 2px 4px 4px;
  padding: 2px 4px;
  font: inherit;
  font-size: 10px;
  border: 1px solid var(--sz-color-button-shadow);
  border-top-color: var(--sz-color-button-dark-shadow);
  border-left-color: var(--sz-color-button-dark-shadow);
  background: var(--sz-color-window);
  outline: none;
}

.sidebar-filter:focus {
  border-color: var(--sz-color-highlight);
}

/* -- Sidebar sections ---------------------------------------------- */
.sidebar-section {
  margin-bottom: 2px;
}

.sidebar-section-header {
  padding: 4px 8px;
  font-weight: bold;
  font-size: 10px;
  color: var(--sz-color-gray-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  user-select: none;
}

.sidebar-section-header .section-toggle {
  font-size: 8px;
  cursor: pointer;
}

.sidebar-section-header .section-icon {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}

.sidebar-section-header .section-icon svg {
  width: 100%;
  height: 100%;
}

.sidebar-section-content {
  /* collapses with display:none when toggled by JS */
}

.sidebar-item {
  padding: 3px 8px 3px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  font-size: 11px;
  user-select: none;
}

.sidebar-item:hover { background: var(--sz-color-button-highlight); }

.sidebar-item.selected {
  background: var(--sz-color-highlight);
  color: var(--sz-color-highlight-text);
}

.sidebar-item-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.sidebar-item-icon svg { width: 16px; height: 16px; }

/* -- Sidebar: Storage items ---------------------------------------- */
.storage-item {
  padding: 3px 8px 3px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  font-size: 11px;
  user-select: none;
}

.storage-item:hover { background: var(--sz-color-button-highlight); }

.storage-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.storage-label { font-size: 11px; }

.storage-bar {
  height: 4px;
  background: #e5e7eb;
  border-radius: 2px;
  overflow: hidden;
}

.storage-fill {
  height: 100%;
  border-radius: 2px;
}

.storage-usage {
  font-size: 9px;
  color: var(--sz-color-gray-text);
}

/* -- Sidebar: Quick Access (legacy) -------------------------------- */
.quick-access-item {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px 2px 20px;
  cursor: default;
  user-select: none;
  white-space: nowrap;
  font-size: 11px;
}

.quick-access-item:hover { background: rgba(49, 106, 197, 0.08); }
.quick-access-item.selected { background: var(--sz-color-highlight); color: var(--sz-color-highlight-text); }

.quick-access-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.quick-access-icon svg { width: 16px; height: 16px; }

/* -- Tree (sidebar) ------------------------------------------------ */
.tree-node {
  display: flex;
  align-items: center;
  padding: 1px 4px;
  cursor: default;
  user-select: none;
  white-space: nowrap;
}

.tree-node:hover { background: rgba(49, 106, 197, 0.08); }
.tree-node.selected { background: var(--sz-color-highlight); color: var(--sz-color-highlight-text); }

.tree-toggle {
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 8px;
  color: var(--sz-color-gray-text);
}

.tree-toggle.has-children { cursor: pointer; }
.tree-icon { width: 16px; height: 16px; flex-shrink: 0; margin-right: 3px; }
.tree-icon svg { width: 16px; height: 16px; }
.tree-label { flex: 1; }
.tree-children { display: none; padding-left: 0; }
.tree-children.expanded { display: block; }
.tree-loading { color: var(--sz-color-gray-text); font-style: italic; padding: 2px 8px; font-size: 10px; }

/* -- Pane Root (multi-pane container) ------------------------------ */
.pane-root {
  flex: 1;
  position: relative;
  display: flex;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}

/* -- Multi-Pane: Split containers ---------------------------------- */
.split-container {
  display: flex;
  flex: 1;
  min-height: 0;
  min-width: 0;
}

.split-container.horizontal { flex-direction: row; }
.split-container.vertical { flex-direction: column; }

.split-child {
  flex: var(--ratio, 0.5);
  min-height: 0;
  min-width: 0;
  overflow: hidden;
  display: flex;
}

.pane-splitter {
  flex-shrink: 0;
  background: var(--sz-color-button-face);
}

.pane-splitter.horizontal {
  width: 4px;
  cursor: col-resize;
}

.pane-splitter.vertical {
  height: 4px;
  cursor: row-resize;
}

.pane-splitter:hover,
.pane-splitter.dragging {
  background: var(--sz-color-highlight);
}

/* -- Pane (leaf) --------------------------------------------------- */
.pane {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  min-width: 0;
  border: 1px solid transparent;
}

.pane.focused {
  border-color: var(--sz-color-highlight);
}

/* -- Per-Pane Chrome (tab bar + address bar) ----------------------- */
.pane-chrome {
  flex-shrink: 0;
}

/* -- Pane Tab Bar -------------------------------------------------- */
.pane-tab-bar {
  display: none;
  flex-shrink: 0;
  background: var(--sz-color-button-face);
  border-bottom: 1px solid var(--sz-color-button-shadow);
  padding: 0 2px;
  align-items: flex-end;
  min-height: 0;
}

.pane-tab-bar.visible { display: flex; }

.pane-tab-bar .explorer-tab .tab-expand-indicator {
  font-size: 9px;
  color: var(--sz-color-gray-text);
  margin-left: 2px;
  flex-shrink: 0;
}

/* -- Legacy Tab Bar (single-pane mode) ----------------------------- */
.tab-bar {
  display: none;
  flex-shrink: 0;
  background: var(--sz-color-button-face);
  border-bottom: 1px solid var(--sz-color-button-shadow);
  padding: 0 2px;
  align-items: flex-end;
  min-height: 0;
}

.tab-bar.visible { display: flex; }

/* -- Explorer Tabs (shared between tab-bar and pane-tab-bar) ------- */
.explorer-tab {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  max-width: 180px;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 3px 3px 0 0;
  background: transparent;
  font: inherit;
  font-size: 11px;
  color: var(--sz-color-button-text);
  cursor: default;
  position: relative;
  top: 1px;
  overflow: hidden;
}

.explorer-tab:hover { background: rgba(0,0,0,0.04); }

.explorer-tab.active {
  background: var(--sz-color-window);
  border-color: var(--sz-color-button-shadow);
  font-weight: bold;
}

.explorer-tab .tab-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.explorer-tab .tab-close {
  width: 14px;
  height: 14px;
  border: none;
  background: transparent;
  font-size: 10px;
  cursor: default;
  color: inherit;
  border-radius: 2px;
  display: none;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.explorer-tab:hover .tab-close,
.explorer-tab.active .tab-close { display: inline-flex; }
.explorer-tab .tab-close:hover { background: rgba(0,0,0,0.1); }

.explorer-tab.dragging { opacity: 0.4; }

.pane-tab-bar.tab-drop-target {
  background: rgba(49, 106, 197, 0.12);
  border-bottom-color: #316ac5;
}

.explorer-pane.tab-drop-target {
  outline: 2px dashed rgba(49, 106, 197, 0.5);
  outline-offset: -2px;
}

.tab-new {
  width: 20px;
  height: 20px;
  border: none;
  background: transparent;
  font-size: 14px;
  cursor: default;
  color: var(--sz-color-button-text);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  top: 1px;
}

.tab-new:hover { background: rgba(0,0,0,0.06); }

/* -- Pane Address Bar ---------------------------------------------- */
.pane-address-bar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 4px;
  border-bottom: 1px solid var(--sz-color-button-shadow);
  background: var(--sz-color-button-face);
  flex-shrink: 0;
}

.pane-address-bar label { font-weight: bold; flex-shrink: 0; }

.pane-kebab-btn {
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  padding: 0 4px;
  color: var(--sz-color-button-text);
  border-radius: 2px;
  flex-shrink: 0;
}

.pane-kebab-btn:hover { background: rgba(0,0,0,0.06); }

/* -- Legacy Address Bar (single-pane mode) ------------------------- */
.address-bar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 4px;
  border-bottom: 1px solid var(--sz-color-button-shadow);
  background: var(--sz-color-button-face);
  flex-shrink: 0;
}

.address-bar label { font-weight: bold; flex-shrink: 0; }

/* -- Breadcrumb / Address input ------------------------------------ */
.breadcrumb-wrapper { position: relative; flex: 1; }

.breadcrumb-container {
  display: flex;
  align-items: center;
  background: var(--sz-color-window);
  border: 1px solid var(--sz-color-button-shadow);
  border-top-color: var(--sz-color-button-dark-shadow);
  border-left-color: var(--sz-color-button-dark-shadow);
  padding: 1px 4px;
  min-height: 20px;
  cursor: text;
  overflow: hidden;
}

.breadcrumb-container.editing { padding: 0; }

.breadcrumb {
  display: flex;
  align-items: center;
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
}

.breadcrumb .crumb {
  cursor: pointer;
  padding: 1px 3px;
  border-radius: 2px;
  color: var(--sz-color-hot-tracking);
}

.breadcrumb .crumb:hover {
  background: var(--sz-color-highlight);
  color: var(--sz-color-highlight-text);
}

.breadcrumb .crumb-sep {
  color: var(--sz-color-gray-text);
  margin: 0 1px;
  flex-shrink: 0;
}

.address-input {
  flex: 1;
  font-family: inherit;
  font-size: 11px;
  border: none;
  outline: none;
  padding: 1px 2px;
  background: transparent;
  display: none;
}

.breadcrumb-container.editing .breadcrumb { display: none; }
.breadcrumb-container.editing .address-input { display: block; }

/* -- Autocomplete dropdown ----------------------------------------- */
.autocomplete-dropdown {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  z-index: 5000;
  background: var(--sz-color-window);
  border: 1px solid var(--sz-color-button-shadow);
  box-shadow: 2px 2px 4px rgba(0,0,0,0.2);
  max-height: 180px;
  overflow-y: auto;
  display: none;
}

.autocomplete-dropdown.visible { display: block; }

.autocomplete-item {
  padding: 2px 6px;
  cursor: default;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 11px;
}

.autocomplete-item:hover,
.autocomplete-item.active {
  background: var(--sz-color-highlight);
  color: var(--sz-color-highlight-text);
}

/* -- Search box ---------------------------------------------------- */
.search-box {
  display: flex;
  align-items: center;
  background: var(--sz-color-window);
  border: 1px solid var(--sz-color-button-shadow);
  border-top-color: var(--sz-color-button-dark-shadow);
  border-left-color: var(--sz-color-button-dark-shadow);
  padding: 1px 2px;
  min-height: 20px;
  flex-shrink: 0;
  width: 220px;
  margin-left: 4px;
}

.search-box input {
  flex: 1;
  font-family: inherit;
  font-size: 11px;
  border: none;
  outline: none;
  background: transparent;
  padding: 1px 2px;
  min-width: 0;
}

.search-box .search-icon {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--sz-color-gray-text);
  pointer-events: none;
}

.search-box .search-scope {
  flex-shrink: 0;
  font: inherit;
  font-size: 9px;
  border: none;
  background: transparent;
  color: var(--sz-color-gray-text);
  cursor: default;
  padding: 0 1px;
  outline: none;
}

.search-box .search-clear {
  flex-shrink: 0;
  font-size: 10px;
  color: var(--sz-color-gray-text);
  cursor: pointer;
  padding: 0 2px;
  display: none;
}

.search-box .search-clear:hover { color: var(--sz-color-button-text); }
.search-box .search-clear.visible { display: block; }

/* -- Pane Body ----------------------------------------------------- */
.pane-body {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* -- Pane Main View ------------------------------------------------ */
.pane-main-view {
  flex: 1;
  overflow-y: auto;
  padding: 0;
  background: var(--sz-color-window);
  position: relative;
}

/* -- Legacy content area (single-pane compat) ---------------------- */
.content { flex: 1; display: flex; overflow: hidden; }

.main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.main-view {
  flex: 1;
  overflow-y: auto;
  padding: 0;
  background: var(--sz-color-window);
  position: relative;
}

/* -- Preview pane -------------------------------------------------- */
.preview-pane,
.pane-preview-pane {
  width: 250px;
  border-left: 1px solid var(--sz-color-button-shadow);
  background: var(--sz-color-window);
  flex-shrink: 0;
  overflow-y: auto;
  display: none;
  flex-direction: column;
  padding: 8px;
}

.preview-pane.visible,
.pane-preview-pane.visible { display: flex; }

.pane-preview-pane:not(.visible) { display: none; }

.preview-thumb {
  max-width: 100%;
  max-height: 200px;
  align-self: center;
  margin-bottom: 8px;
  object-fit: contain;
}

.preview-text {
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 10px;
  max-height: 200px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-all;
  background: var(--sz-color-button-face);
  border: 1px solid var(--sz-color-button-shadow);
  padding: 4px;
  margin-bottom: 8px;
  tab-size: 2;
}

.preview-hex {
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 9px;
  max-height: 200px;
  overflow: auto;
  white-space: pre;
  background: var(--sz-color-button-face);
  border: 1px solid var(--sz-color-button-shadow);
  padding: 4px;
  margin-bottom: 8px;
}

.preview-media {
  max-width: 100%;
  margin-bottom: 8px;
}

.preview-content {
  flex: 1;
  overflow: auto;
  min-height: 0;
}

.preview-meta-table {
  width: 100%;
  border-collapse: collapse;
}

.preview-meta-table td {
  padding: 2px 4px;
  font-size: 10px;
  border-bottom: 1px solid var(--sz-color-button-highlight, #f0f0f0);
  vertical-align: top;
}

.preview-meta-table .meta-label {
  color: var(--sz-color-gray-text);
  width: 40%;
  font-size: 9px;
}

.preview-meta-table .meta-value {
  word-break: break-all;
}

.preview-folder-info {
  text-align: center;
  color: var(--sz-color-gray-text);
  padding: 16px 8px;
  font-size: 11px;
  line-height: 1.6;
}

.preview-multi-info {
  text-align: center;
  color: var(--sz-color-gray-text);
  padding: 16px 8px;
  font-size: 11px;
  line-height: 1.6;
}

/* -- Preview Nav / Zoom -------------------------------------------- */
.preview-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px;
  border-bottom: 1px solid var(--sz-color-button-shadow);
}

.preview-nav-btn {
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 11px;
  padding: 2px 6px;
  color: var(--sz-color-button-text);
  border-radius: 2px;
}

.preview-nav-btn:hover { background: var(--sz-color-button-highlight); }

.preview-nav-label {
  flex: 1;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 10px;
  padding: 0 4px;
}

.preview-zoom-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 4px;
  border-top: 1px solid var(--sz-color-button-shadow);
}

.preview-zoom-btn {
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  padding: 2px 6px;
  color: var(--sz-color-button-text);
  border-radius: 2px;
}

.preview-zoom-btn:hover { background: var(--sz-color-button-highlight); }

.preview-zoom-pct {
  font-size: 11px;
  color: var(--sz-color-gray-text);
  min-width: 36px;
  text-align: center;
}

/* -- Search results relative path ---------------------------------- */
.file-item .item-relpath {
  font-size: 8px;
  color: var(--sz-color-gray-text);
  word-break: break-all;
  line-height: 1.1;
  max-height: 1.1em;
  overflow: hidden;
}

.file-item.selected .item-relpath { color: var(--sz-color-highlight-text); opacity: 0.6; }

/* -- File list (icon grid -- default view) ------------------------- */
.file-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 4px;
  align-content: flex-start;
  min-height: 100%;
}

.file-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 80px;
  padding: 4px;
  cursor: default;
  user-select: none;
  text-align: center;
  border: 1px solid transparent;
  border-radius: 2px;
  position: relative;
}

.file-item:hover { background: rgba(49, 106, 197, 0.08); border-color: rgba(49, 106, 197, 0.2); }
.file-item.selected { background: var(--sz-color-highlight); border-color: var(--sz-color-highlight); color: var(--sz-color-highlight-text); }
.file-item.cut-pending { opacity: 0.5; }
.file-item .item-icon svg { width: 32px; height: 32px; overflow: visible; }

.file-item .item-name {
  font-size: 10px;
  word-break: break-all;
  line-height: 1.2;
  margin-top: 2px;
  max-height: 2.4em;
  overflow: hidden;
}

.file-item .item-type { font-size: 8px; color: var(--sz-color-gray-text); margin-top: 1px; }
.file-item.selected .item-type { color: var(--sz-color-highlight-text); opacity: 0.7; }

/* -- Recent highlight ---------------------------------------------- */
.file-item.recent-highlight {
  box-shadow: inset 0 0 0 1px rgba(234,179,8,0.4);
  background: rgba(234,179,8,0.08);
}

.file-item.recent-highlight.selected {
  box-shadow: none;
  background: var(--sz-color-highlight);
}

tr.recent-highlight {
  background: rgba(234,179,8,0.08);
}

/* -- Rubber-band selection ---------------------------------------- */
.rubber-band {
  border: 1px solid var(--sz-color-highlight, #3399ff);
  background: rgba(51, 153, 255, 0.15);
  pointer-events: none;
  z-index: 10;
}

/* -- Draggable items ---------------------------------------------- */
.file-item[draggable="true"]:active,
tr[draggable="true"]:active { opacity: 0.7; }

tr.recent-highlight.selected {
  background: var(--sz-color-highlight);
}

/* -- Tiles view ---------------------------------------------------- */
.file-list.tiles-view {
  gap: 2px;
}

.file-list.tiles-view .file-item {
  flex-direction: row;
  width: 220px;
  text-align: left;
  align-items: flex-start;
  padding: 4px 6px;
  gap: 6px;
}

.file-list.tiles-view .file-item .item-icon svg { width: 48px; height: 48px; }

.file-list.tiles-view .file-item .tile-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
  flex: 1;
}

.file-list.tiles-view .file-item .item-name {
  font-size: 11px;
  margin-top: 0;
  max-height: none;
}

/* -- Details view (table) ------------------------------------------ */
.file-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.file-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
}

.file-table th {
  background: var(--sz-color-button-face);
  border: 1px solid var(--sz-color-button-shadow);
  border-top: none;
  padding: 2px 6px;
  text-align: left;
  font-weight: normal;
  cursor: default;
  user-select: none;
  white-space: nowrap;
  position: relative;
}

.file-table th:hover { background: var(--sz-color-button-highlight); }

.file-table th .sort-arrow {
  font-size: 8px;
  margin-left: 2px;
  color: var(--sz-color-gray-text);
}

.file-table th .col-resize {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  cursor: col-resize;
}

/* -- Column filter icon -------------------------------------------- */
.col-filter-icon {
  font-size: 9px;
  cursor: pointer;
  margin-left: 2px;
  opacity: 0.5;
}

.col-filter-icon:hover { opacity: 1; }

.col-filter-dropdown {
  position: absolute;
  background: var(--sz-color-window);
  border: 1px solid var(--sz-color-button-shadow);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  padding: 4px;
  z-index: 200;
  max-height: 200px;
  overflow-y: auto;
}

.col-filter-dropdown label {
  display: block;
  padding: 2px 8px;
  cursor: pointer;
  font-size: 11px;
  white-space: nowrap;
}

.col-filter-dropdown label:hover {
  background: var(--sz-color-button-highlight);
}

.file-table td {
  padding: 1px 6px;
  border-bottom: 1px solid var(--sz-color-button-highlight, #f0f0f0);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-table .col-icon { width: 20px; }
.file-table .col-name { min-width: 120px; }
.file-table .col-size { width: 80px; text-align: right; }
.file-table .col-type { width: 100px; }
.file-table .col-date { width: 130px; }
.file-table .col-path { min-width: 100px; }

.file-table tbody tr { cursor: default; user-select: none; }
.file-table tbody tr:hover { background: rgba(49, 106, 197, 0.08); }
.file-table tbody tr.selected { background: var(--sz-color-highlight); color: var(--sz-color-highlight-text); }
.file-table tbody tr.cut-pending { opacity: 0.5; }

.file-table tbody tr .row-icon svg { width: 16px; height: 16px; }

.file-table .cell-name {
  display: flex;
  align-items: center;
  gap: 4px;
}

.file-table .cell-name .row-icon { flex-shrink: 0; }

/* -- Inline rename input ------------------------------------------- */
.inline-rename {
  font-family: inherit;
  font-size: 10px;
  text-align: center;
  width: 76px;
  margin-top: 2px;
  padding: 0 2px;
  border: 1px solid var(--sz-color-highlight);
  outline: none;
}

.file-table .inline-rename {
  text-align: left;
  width: auto;
  margin: 0;
}

/* -- Leaf detail view ---------------------------------------------- */
.leaf-detail {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 8px;
  color: var(--sz-color-gray-text);
  padding: 16px;
}

.leaf-detail .leaf-icon svg { width: 48px; height: 48px; }
.leaf-detail .leaf-type { font-weight: bold; font-size: 13px; color: var(--sz-color-window-text); }

.leaf-detail .leaf-value {
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 11px;
  max-width: 90%;
  word-break: break-all;
  text-align: center;
  color: var(--sz-color-window-text);
  background: var(--sz-color-button-face);
  padding: 8px;
  border: 1px solid var(--sz-color-button-shadow);
  border-radius: 3px;
  max-height: 200px;
  overflow: auto;
  white-space: pre-wrap;
}

/* -- Context menu -------------------------------------------------- */
.context-menu {
  position: fixed;
  z-index: 10000;
  background: var(--sz-color-menu);
  color: var(--sz-color-menu-text);
  border: 1px solid var(--sz-color-button-shadow);
  box-shadow: 2px 2px 4px rgba(0,0,0,0.2);
  padding: 2px 0;
  min-width: 160px;
  font-size: 11px;
}

.context-menu .ctx-item {
  padding: 3px 24px 3px 4px;
  cursor: default;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 4px;
}

.context-menu .ctx-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.context-menu .ctx-icon svg {
  width: 14px;
  height: 14px;
}

.context-menu .ctx-item:hover:not(.disabled) {
  background: var(--sz-color-highlight);
  color: var(--sz-color-highlight-text);
}

.context-menu .ctx-item.disabled {
  color: var(--sz-color-gray-text);
}

.context-menu .ctx-sep {
  height: 1px;
  background: var(--sz-color-button-shadow);
  margin: 2px 4px;
}

.context-menu .ctx-submenu {
  position: relative;
}

.context-menu .ctx-submenu::after {
  content: '\25B6';
  position: absolute;
  right: 6px;
  font-size: 8px;
}

.context-menu .ctx-submenu-panel {
  display: none;
  position: absolute;
  top: -2px;
  left: 100%;
  background: var(--sz-color-menu);
  color: var(--sz-color-menu-text);
  border: 1px solid var(--sz-color-button-shadow);
  box-shadow: 2px 2px 4px rgba(0,0,0,0.2);
  padding: 2px 0;
  min-width: 140px;
}

.context-menu .ctx-submenu:hover .ctx-submenu-panel { display: block; }

/* -- Confirm dialog ------------------------------------------------ */
.confirm-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.3);
  z-index: 20000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.confirm-dialog {
  background: var(--sz-color-button-face);
  border: 2px solid var(--sz-color-active-border);
  padding: 16px;
  min-width: 280px;
  max-width: 400px;
  box-shadow: 3px 3px 8px rgba(0,0,0,0.3);
}

.confirm-dialog .dlg-text { margin-bottom: 12px; line-height: 1.4; }

.confirm-dialog .dlg-buttons { display: flex; gap: 8px; justify-content: flex-end; }

.confirm-dialog .dlg-buttons button {
  font-family: inherit;
  font-size: 11px;
  padding: 3px 16px;
  cursor: default;
  min-width: 70px;
}

/* -- Dialog overlay (shared for all modal dialogs) ----------------- */
.dialog-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.3);
  z-index: 20000;
  align-items: center;
  justify-content: center;
}

.dialog-overlay.visible { display: flex; }

.dialog {
  background: var(--sz-color-button-face);
  border: 2px solid var(--sz-color-active-border);
  min-width: 300px;
  max-width: 500px;
  box-shadow: 3px 3px 8px rgba(0,0,0,0.3);
}

.dialog-title {
  padding: 6px 10px;
  font-weight: bold;
  font-size: 11px;
  background: var(--sz-color-active-title);
  color: var(--sz-color-title-text);
}

.dialog-body {
  padding: 12px;
}

.dialog-buttons {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  padding: 8px 12px;
  border-top: 1px solid var(--sz-color-button-shadow);
}

.dialog-buttons button {
  font-family: inherit;
  font-size: 11px;
  padding: 3px 16px;
  cursor: default;
  min-width: 70px;
}

/* -- Command Palette (Ctrl+Shift+P) / GoTo Dialog (Ctrl+P / F4) ---- */
.cp-overlay {
  background: transparent;
  align-items: flex-start;
  padding-top: 20%;
}

.cp-overlay.visible {
  display: flex;
}

.command-palette,
.goto-dialog {
  max-width: 600px;
  width: 90%;
  background: var(--sz-color-window);
  border: 1px solid var(--sz-color-button-shadow);
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  overflow: hidden;
}

.cp-input,
.goto-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 16px;
  font-family: inherit;
  border: none;
  border-bottom: 1px solid var(--sz-color-button-shadow);
  outline: none;
  background: transparent;
  color: var(--sz-color-window-text);
}

.cp-list {
  max-height: 400px;
  overflow-y: auto;
}

.cp-item {
  padding: 8px 16px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--sz-color-window-text);
}

.cp-item:hover,
.cp-item.active {
  background: rgba(49, 106, 197, 0.12);
}

.cp-item .cp-shortcut {
  font-size: 11px;
  color: var(--sz-color-gray-text);
  font-family: 'Consolas', 'Courier New', monospace;
}

.goto-recents {
  max-height: 300px;
  overflow-y: auto;
}

.goto-recents .cp-item {
  padding: 6px 16px;
}

/* -- View Filter Group (status bar) -------------------------------- */
.view-filter-group {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-right: 8px;
}

.vf-btn {
  width: 18px;
  height: 18px;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  font-size: 10px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  color: var(--sz-color-button-text);
}

.vf-btn:hover { background: var(--sz-color-button-highlight); }

.vf-btn.active {
  background: var(--sz-color-highlight);
  color: var(--sz-color-highlight-text);
  border-color: var(--sz-color-highlight);
}

.vf-sep {
  color: var(--sz-color-gray-text);
  font-size: 10px;
  margin: 0 1px;
  user-select: none;
}

/* -- Status bar ---------------------------------------------------- */
.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 8px;
  border-top: 1px solid var(--sz-color-button-shadow);
  background: var(--sz-color-button-face);
  font-size: 10px;
  color: var(--sz-color-button-text);
  flex-shrink: 0;
}

.status-bar .status-left {
  display: flex;
  align-items: center;
  gap: 16px;
  overflow: hidden;
  flex: 1;
}

.status-bar .status-left .status-count { flex-shrink: 0; }

.status-bar .status-left .status-info {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-bar .status-left .status-load-time {
  flex-shrink: 0;
  color: var(--sz-color-gray-text);
  font-size: 9px;
}

.status-bar .status-right {
  flex-shrink: 0;
  color: var(--sz-color-gray-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* -- Drop zone indicators (pane drag-and-drop arrangement) --------- */
.drop-zone-indicator {
  position: absolute;
  pointer-events: none;
  background: rgba(59,130,246,0.3);
  border: 2px dashed #3b82f6;
  z-index: 100;
  transition: all 0.15s;
}

.drop-zone-indicator.left {
  top: 0; left: 0; bottom: 0;
  width: 50%;
}

.drop-zone-indicator.right {
  top: 0; right: 0; bottom: 0;
  width: 50%;
}

.drop-zone-indicator.top {
  top: 0; left: 0; right: 0;
  height: 50%;
}

.drop-zone-indicator.bottom {
  bottom: 0; left: 0; right: 0;
  height: 50%;
}

.drop-zone-indicator.center {
  top: 10%; left: 10%; right: 10%; bottom: 10%;
}

/* Drag-and-drop upload overlay */
.main-view.drop-target,
.pane-main-view.drop-target {
  outline: 2px dashed var(--sz-color-highlight, #3399ff);
  outline-offset: -4px;
  background-color: rgba(51, 153, 255, 0.08);
}

/* -- Detail panel for viewing function code / values --------------- */
.detail-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.detail-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--sz-color-button-shadow, #808080);
  background: var(--sz-color-button-face, #ece9d8);
  flex-shrink: 0;
}

.detail-back {
  padding: 2px 8px;
  font-size: 12px;
  cursor: pointer;
}

.detail-info {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.detail-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.detail-icon svg { width: 100%; height: 100%; }

.detail-name {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.detail-type {
  color: var(--sz-color-gray-text, #808080);
  font-size: 11px;
  flex-shrink: 0;
}

.detail-content {
  flex: 1;
  margin: 0;
  padding: 8px 12px;
  overflow: auto;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-all;
  background: var(--sz-color-window, #fff);
  color: var(--sz-color-window-text, #000);
  tab-size: 2;
}

.detail-content.detail-code {
  color: var(--sz-color-window-text, #1a1a2e);
}

/* Syntax highlighting tokens */
.hl-keyword { color: #0000ff; font-weight: 600; }
.hl-string  { color: #a31515; }
.hl-number  { color: #098658; }
.hl-comment { color: #008000; font-style: italic; }
.hl-func    { color: #795e26; }
.hl-regex   { color: #811f3f; }

/* -- Bulk Rename Dialog -------------------------------------------- */
.bulk-rename-dialog { min-width: 400px; max-width: 540px; }

.br-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.br-row label {
  min-width: 100px;
  font-size: 12px;
  flex-shrink: 0;
}

.br-row input {
  flex: 1;
  font: inherit;
  font-size: 11px;
  padding: 2px 4px;
  border: 1px solid var(--sz-color-button-shadow);
  background: var(--sz-color-window);
}

.br-tokens {
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 11px;
  color: var(--sz-color-gray-text);
}

.br-preview-label {
  font-weight: bold;
  font-size: 12px;
  margin: 8px 0 4px;
}

.br-preview {
  max-height: 200px;
  overflow-y: auto;
  font-size: 11px;
  border: 1px solid var(--sz-color-button-shadow);
  padding: 4px;
  background: var(--sz-color-window);
}

.br-preview-table {
  width: 100%;
  border-collapse: collapse;
  font-family: 'Consolas', 'Courier New', monospace;
}

.br-preview-row td {
  padding: 2px 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.br-preview-old {
  color: var(--sz-color-gray-text);
  text-decoration: line-through;
  max-width: 180px;
}

.br-preview-arrow {
  color: var(--sz-color-gray-text);
  text-align: center;
  width: 24px;
}

.br-preview-new {
  max-width: 180px;
}

.br-preview-new {
  color: var(--sz-color-window-text);
}

/* -- Options Dialog ------------------------------------------------ */
.options-dialog { min-width: 360px; max-width: 480px; }

.opts-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.opts-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.opts-row label {
  min-width: 120px;
  font-size: 12px;
  flex-shrink: 0;
}

.opts-row select,
.opts-row input {
  font: inherit;
  font-size: 11px;
  padding: 2px 4px;
  border: 1px solid var(--sz-color-button-shadow);
  background: var(--sz-color-window);
}