/* ==========================================================================
   Desktop Surface
   Covers the full viewport minus the taskbar. Holds the background image,
   icon grid, and window container layers.
   ========================================================================== */

/* Full viewport, no scroll */
html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: Tahoma, Verdana, sans-serif;
  font-size: 12px;
}

/* Desktop fills full viewport; taskbar overlays the bottom edge */
#sz-desktop {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

/* Background image fills desktop */
#sz-background {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  user-select: none;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Icon Grid
   Auto-flows columns first so icons fill top-to-bottom, then left-to-right.
   -------------------------------------------------------------------------- */

#sz-icon-area {
  position: absolute;
  inset: 0 0 35px 0;
  z-index: 1;
  padding: 0;
}

/* --------------------------------------------------------------------------
   Window Container
   Sits above icons. pointer-events are disabled on the container itself so
   clicks fall through to icons; each child window re-enables them.
   -------------------------------------------------------------------------- */

#sz-window-area {
  position: absolute;
  inset: 0 0 35px 0;
  z-index: 10;
  pointer-events: none;
}

#sz-window-area > * {
  pointer-events: auto;
}

/* --------------------------------------------------------------------------
   Desktop Icons
   -------------------------------------------------------------------------- */

.sz-icon {
  position: absolute;
  width: 72px;
  text-align: center;
  padding: 4px;
  cursor: default;
  user-select: none;
  border: 1px solid transparent;
  border-radius: 3px;
  touch-action: none;
}

.sz-icon.dragging {
  opacity: 0.7;
  z-index: 100;
  cursor: grabbing;
  pointer-events: none;
}

.sz-icon:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.sz-icon.selected {
  background: rgba(49, 106, 197, 0.4);
  border-color: rgba(49, 106, 197, 0.7);
}

.sz-icon img {
  width: 48px;
  height: 48px;
  display: block;
  margin: 0 auto 4px;
  pointer-events: none;
}

.sz-icon .sz-icon-label {
  font-size: 11px;
  color: white;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
  word-wrap: break-word;
  line-height: 1.2;
}

/* --------------------------------------------------------------------------
   Rubber-band selection rectangle (drawn by JS on the desktop surface)
   -------------------------------------------------------------------------- */

.sz-selection-rect {
  position: absolute;
  border: 1px solid rgba(49, 106, 197, 0.8);
  background: rgba(49, 106, 197, 0.15);
  pointer-events: none;
  z-index: 5;
}