/* ==========================================================================
   desktop.css — overall OS shell layout, wallpaper, workspace
   ========================================================================== */

#desktop-root {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

#wallpaper-canvas {
  position: fixed;
  inset: 0;
  z-index: var(--z-wallpaper);
  width: 100%;
  height: 100%;
  display: block;
  background: radial-gradient(ellipse at 50% 0%, #121826 0%, #090b11 60%, #06070b 100%);
}

#workspace {
  position: absolute;
  top: var(--menubar-h);
  left: var(--dock-w);
  right: 0;
  bottom: var(--taskbar-h);
  z-index: var(--z-desktop);
  overflow: hidden;
}

#workspace.dock-hidden {
  left: 0;
}

/* Snap-zone preview overlay shown while dragging a window near an edge */
.snap-preview {
  position: absolute;
  z-index: var(--z-snap-preview);
  background: var(--accent-soft);
  border: 2px solid var(--accent);
  border-radius: var(--radius-md);
  pointer-events: none;
  opacity: 0;
  transform: scale(0.97);
  transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.snap-preview.visible {
  opacity: 1;
  transform: scale(1);
}

/* Toast notifications (e.g. iframe blocked) */
#toast-layer {
  position: fixed;
  bottom: calc(var(--taskbar-h) + 16px);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  color: var(--text-0);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* Desktop-wide focus outline class fallback */
[data-reduce-motion="true"] .snap-preview,
[data-reduce-motion="true"] .toast {
  transition: none;
}

@media (max-width: 760px) {
  :root {
    --dock-w: 0px;
  }
  #left-dock {
    display: none;
  }
}