/*
 * Structural styles for ui-window.
 * Window is positioned absolutely and lays out its parts via flex column;
 * resizers are positioned absolutely at edges.
 */

ui-window {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 5;
  vertical-align: top;
}
ui-window>ui-window-titlebar {
  display: flex;
  position: relative;
  margin: 0;
  cursor: default;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  vertical-align: middle;
  user-select: none;
  -ms-user-select: none;
  -moz-user-select: none;
  flex: 0 0 auto;  /* never shrink — keeps the title visible when content overflows */
  order: 0;
}
ui-window.state_movable>ui-window-titlebar:hover {
  cursor: grab;
  cursor: -webkit-grab;
  cursor: -moz-grab;
}
ui-window.state_movable>ui-window-titlebar.state_dragging {
  cursor: grabbing;
  cursor: -webkit-grabbing;
  cursor: -moz-grabbing;
}
ui-window>ui-window-titlebar>span {
  flex: 1;
  order: 1;
  padding: var(--elation-space-1) var(--elation-space-3);
  line-height: 1.6;
}
ui-window>ui-window-titlebar>ui-buttonbar {
  flex: 0 0 auto;
  order: 2;
}
ui-window>ui-window-content {
  display: block;
  position: relative;
  flex: 1 1 auto;   /* fill remaining space below the titlebar */
  min-height: 0;    /* allow children with overflow to constrain themselves */
  overflow: hidden;
  order: 1;
}
ui-window[scrollable]>ui-window-content {
  display: block;
  overflow: auto;
}
ui-window[maximized] {
  z-index: 1000;
}
ui-window[maximized]>ui-window-content {
  max-width: none;
  max-height: none;
  padding: 0;
}
ui-window>.ui_window_resizer {
  position: absolute;
  width: 16px;
  height: 16px;
  bottom: -2px;
  right: -2px;
  cursor: se-resize;
  z-index: 10;
}
ui-window[right]>.ui_window_resizer  { right: auto; left: -2px; }
ui-window[top]>.ui_window_resizer    { bottom: -2px; top: auto; }
ui-window[bottom]>.ui_window_resizer { top: -2px; bottom: auto; }
ui-window[top][right]>.ui_window_resizer    { cursor: sw-resize; }
ui-window[top][left]>.ui_window_resizer     { cursor: se-resize; }
ui-window[bottom][right]>.ui_window_resizer { cursor: se-resize; }
ui-window[bottom][left]>.ui_window_resizer  { cursor: sw-resize; }

/* Popup mode (set by ui-popupbutton) — chrome-less, no titlebar. */
ui-window.state_popup > ui-window-titlebar {
  display: none;
}
ui-window.state_popup > .ui_window_resizer {
  display: none;
}

/* Touch devices: bigger resize grip; titlebar comfortable for thumb-drag. */
@media (pointer: coarse) {
  ui-window>.ui_window_resizer {
    width: 28px;
    height: 28px;
  }
  ui-window>ui-window-titlebar {
    min-height: 2.4em;
  }
}