/* ═══════════════════════════════════════════════════════════════
   SplitPane.css – Generic styles for the SplitPane engine
   Used with default classPrefix 'splitpane' (ContentFrame).
   PortalDialog uses classPrefix 'pdlg-split' → see PortalDialog.split.css
   ═══════════════════════════════════════════════════════════════ */

.splitpane-split {
  display: flex;
  flex-direction: row;
}

.splitpane-split.splitpane-split-vertical {
  flex-direction: column;
}

.splitpane-pane {
  flex: 1 1 0%;
  min-width: 0;
  min-height: 0;
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.splitpane-pane > iframe {
  width: 100%;
  height: 100%;
  flex: 1 1 auto;
  min-height: 0;
  border: none;
}

.splitpane-splitter {
  flex: 0 0 5px;
  background: #e0e0e0;
  position: relative;
  z-index: 10;
  transition: background 0.12s;
}

.splitpane-splitter:hover,
.splitpane-splitter.splitpane-splitter-active {
  background: #337ab7;
}

.splitpane-split:not(.splitpane-split-vertical) > .splitpane-splitter {
  cursor: col-resize;
  width: 5px;
}

.splitpane-split.splitpane-split-vertical > .splitpane-splitter {
  cursor: row-resize;
  height: 5px;
}

.splitpane-toolbar {
  position: absolute;
  top: 4px;
  right: 4px;
  z-index: 20;
  display: flex;
  gap: 3px;
  opacity: 0;
  transition: opacity 0.15s;
}

.splitpane-pane:hover .splitpane-toolbar {
  opacity: 0.7;
}

.splitpane-toolbar:hover {
  opacity: 1 !important;
}

.splitpane-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 4px;
  border: none;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  transition: background 0.15s;
}

.splitpane-close:hover {
  background: rgba(200, 0, 0, 0.8);
}

.splitpane-popout:hover {
  background: rgba(51, 122, 183, 0.85);
}

.splitpane-drag-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 50;
  cursor: col-resize;
}

.splitpane-split-vertical > .splitpane-drag-overlay {
  cursor: row-resize;
}