[data-app-icon] {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 0;
  cursor: default;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 80px;
  padding: 4px;
  width: 88px;
}

[data-app-icon] [data-icon] {
  transition:
    transform var(--ui-duration) var(--ease-out),
    box-shadow var(--ui-duration) var(--ease-out),
    background-color var(--ui-duration) ease,
    color var(--ui-duration) ease;
}

[data-app-label] {
  background: var(--os-surface);
  color: var(--os-ink);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.2;
  max-width: 100%;
  overflow-wrap: anywhere;
  padding: 2px 4px;
}

[data-app-icon][data-selected='true'] [data-app-label] {
  background: var(--os-accent);
  color: var(--os-canvas);
}

[data-app-icon]:focus-visible {
  outline: var(--os-focus-width) solid var(--os-accent-bright);
  outline-offset: 2px;
}

[data-windows-taskbar],
[data-macos-menu],
[data-macos-dock] {
  align-items: center;
  background: var(--os-surface-raised);
  border-color: var(--os-surface-highlight);
  border-style: solid;
  box-shadow: 0 4px 0 var(--os-shadow);
  color: var(--os-ink);
  display: flex;
  font-family: var(--mono);
  font-size: 11px;
  position: absolute;
  z-index: 10;
}

[data-windows-taskbar] {
  border-width: 1px 0 0;
  bottom: 0;
  gap: 12px;
  height: 48px;
  justify-content: space-between;
  left: 0;
  padding: 6px 12px;
  right: 0;
}

[data-windows-start] {
  background: var(--os-accent);
  border: 1px solid var(--os-accent-bright);
  border-radius: 0;
  color: var(--os-canvas);
  height: 32px;
  width: 40px;
}

[data-windows-start]:active {
  transform: translate(1px, 1px);
}

[data-system-title] {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Pinned apps: shown only on narrow screens where desktop icons are hidden. */
[data-taskbar-pins] {
  align-items: center;
  display: none;
  gap: 4px;
}

[data-taskbar-pins] [data-app-icon] {
  gap: 0;
  min-height: 34px;
  padding: 2px;
  width: 34px;
}

[data-taskbar-pins] [data-icon] {
  box-shadow: 2px 2px 0 var(--os-shadow);
  height: 30px;
  width: 30px;
}

[data-taskbar-pins] [data-icon] svg {
  height: 20px;
  width: 20px;
}

[data-taskbar-pins] [data-app-label] {
  display: none;
}

@media (hover: hover) and (pointer: fine) {
  [data-taskbar-pins] [data-app-icon]:hover [data-icon] {
    box-shadow: 3px 3px 0 var(--os-shadow);
    transform: translateY(-2px);
  }
}

@media (max-width: 760px) {
  [data-taskbar-pins] {
    display: flex;
  }
}

[data-system-status],
[data-language-controls] {
  align-items: center;
  display: flex;
  gap: 6px;
}

[data-network-status] {
  align-items: center;
  border-left: 1px solid var(--os-surface-highlight);
  display: flex;
  gap: 5px;
  padding-left: 7px;
  white-space: nowrap;
}

[data-packet-signal] {
  animation: packet-signal var(--packet-duration) steps(2, end) infinite;
  font-weight: 700;
  opacity: var(--packet-opacity);
}

@keyframes packet-signal {
  0%, 100% { opacity: calc(var(--packet-opacity) * 0.45); }
  50% { opacity: var(--packet-opacity); }
}

[data-language-controls] button {
  background: transparent;
  border: 0;
  border-radius: 0;
  font-family: var(--mono);
  font-size: 10px;
  min-height: 28px;
  padding: 2px 4px;
  transition:
    transform var(--press-duration) var(--ease-out),
    background-color var(--ui-duration) ease,
    color var(--ui-duration) ease;
}

[data-language-controls] button[aria-pressed='true'] {
  background: var(--os-accent);
  color: var(--os-canvas);
}

[data-bot-mount] {
  bottom: 72px;
  display: flex;
  font-family: var(--mono);
  position: absolute;
  right: 24px;
  z-index: 30;
}

[data-bot-standby] {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 0;
  display: flex;
  justify-content: center;
  min-height: 76px;
  min-width: 76px;
  padding: 0;
  position: relative;
  cursor: grab;
  touch-action: none;
  transition: transform var(--ui-duration) var(--ease-out);
  user-select: none;
}

[data-bot-mount][data-bot-dragging='true'] {
  z-index: 60;
}

[data-bot-mount][data-bot-dragging='true'] [data-bot-standby] {
  cursor: grabbing;
  transform: none;
  transition: none;
}

[data-bot-sprite] {
  --bot-cell-height: 117px;
  --bot-cell-width: 108px;
  background-image: url('../assets/pets/pen-pen/spritesheet-white.webp');
  background-position: calc(var(--bot-frame, 0) * -1 * var(--bot-cell-width))
    calc(var(--bot-row, 0) * -1 * var(--bot-cell-height));
  background-repeat: no-repeat;
  background-size: calc(var(--bot-cell-width) * 8) calc(var(--bot-cell-height) * 9);
  display: block;
  height: var(--bot-cell-height);
  image-rendering: pixelated;
  opacity: 1;
  width: var(--bot-cell-width);
}

[data-bot-glitch-layer] {
  display: none;
  inset: -8px;
  pointer-events: none;
  position: absolute;
  z-index: 2;
}

[data-bot-standby][data-bot-glitch] [data-bot-glitch-layer] {
  animation: bot-glitch-pulse 320ms steps(3, end) both;
  display: block;
}

[data-bot-standby][data-bot-glitch='contour'] [data-bot-glitch-layer] {
  border: 2px solid var(--os-accent-bright);
  clip-path: polygon(34% 2%, 67% 2%, 86% 24%, 94% 60%, 78% 96%, 22% 96%, 6% 60%, 14% 24%);
  transform: translate(4px, -2px) scale(0.92);
}

[data-bot-standby][data-bot-glitch='dots'] [data-bot-glitch-layer] {
  background-image: radial-gradient(circle, var(--os-accent-bright) 0 1px, transparent 1.5px);
  background-size: 7px 7px;
  clip-path: polygon(27% 5%, 73% 5%, 91% 30%, 84% 93%, 16% 93%, 9% 30%);
  opacity: 0.8;
  transform: translate(-5px, 2px);
}

[data-bot-standby][data-bot-glitch='blocks'] [data-bot-glitch-layer] {
  background: repeating-linear-gradient(
    0deg,
    transparent 0 7px,
    var(--os-ink) 7px 10px,
    transparent 10px 15px
  );
  clip-path: polygon(11% 28%, 89% 28%, 89% 38%, 67% 38%, 67% 47%, 94% 47%, 94% 60%, 24% 60%, 24% 73%, 8% 73%);
  opacity: 0.72;
  transform: translate(5px, 1px);
}

@keyframes bot-glitch-pulse {
  0% { opacity: 0; }
  18% { opacity: 0.95; }
  46% { opacity: 0.45; transform: translate(2px, 0); }
  72% { opacity: 0.8; }
  100% { opacity: 0; }
}

[data-bot-bubble] {
  background: var(--os-ink);
  border: 1px solid var(--os-accent-bright);
  bottom: calc(100% - 6px);
  color: var(--os-canvas);
  font-size: 10px;
  left: 50%;
  letter-spacing: 0;
  line-height: 1;
  padding: 3px 5px;
  position: absolute;
  transform: translateX(-50%);
  white-space: nowrap;
}

[data-bot-steam] {
  bottom: calc(100% - 6px);
  color: var(--os-accent-bright);
  font-size: 10px;
  left: 50%;
  letter-spacing: 2px;
  line-height: 1;
  position: absolute;
  transform: translateX(-50%);
}

[data-bot-mount][data-bot-active='true'] [data-bot-steam] { display: none; }

[data-bot-paper] {
  bottom: 4px;
  display: none;
  margin-right: 8px;
  position: absolute;
  right: 100%;
}

[data-desktop-root]:has([data-app-window='writing']:not([hidden])) [data-bot-paper] {
  display: block;
}

[data-bot-status] {
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

@media (hover: hover) and (pointer: fine) {
  [data-app-icon]:hover [data-icon] {
    box-shadow: 6px 6px 0 var(--os-shadow);
    transform: translateY(-3px);
  }

  [data-bot-standby]:hover { transform: translateY(-2px); }
  [data-bot-standby]:hover [data-bot-sprite] {
    filter: drop-shadow(3px 3px 0 var(--os-accent-bright));
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-bot-standby][data-bot-glitch] [data-bot-glitch-layer] {
    animation: none;
    display: none;
  }
}

[data-desktop-mode='windows'] [data-macos-menu] {
  display: none;
}

[data-desktop-mode='windows'] [data-macos-dock] {
  display: none;
}

@media (max-width: 760px) {
  [data-bot-mount] {
    right: 12px;
  }
}

/* Windows mode hides the macOS traffic-light cluster */
[data-desktop-mode='windows'] [data-window-controls-mac] {
  display: none;
}

/* ── Windows desktop app icons ───────────────────────────────
   Five base apps arranged in a 2-column grid (3 + 2) below
   the environment instrument cluster in the upper-left. Icons
   mirror the macOS dock visuals — same 46px tiles, label chips,
   and hover lift — with white shadows/outlines so they stay
   legible on the blue environment backdrop. */

[data-windows-icons] {
  display: grid;
  gap: 8px;
  grid-auto-flow: column;
  grid-template-rows: repeat(3, auto);
  left: 24px;
  pointer-events: auto;
  position: absolute;
  top: 220px;
  z-index: 1;
}

[data-windows-icons] [data-icon] {
  box-shadow: 4px 4px 0 var(--os-shadow);
}

[data-windows-icons] [data-app-icon][data-selected='true'] [data-icon] {
  box-shadow: 4px 4px 0 var(--os-shadow);
}

/* The selected label chip inverts to blue like the macOS dock;
 * a white border keeps it readable against the blue desktop. */
[data-windows-icons] [data-app-icon][data-selected='true'] [data-app-label] {
  border: 1px solid var(--os-accent-bright);
}

@media (hover: hover) and (pointer: fine) {
  [data-windows-icons] [data-app-icon]:hover [data-icon] {
    box-shadow: 6px 6px 0 var(--os-shadow);
    transform: translateY(-6px) scale(1.04);
  }
}

@media (max-width: 1023px) {
  [data-windows-icons] {
    left: 16px;
    top: 200px;
  }
}

@media (max-width: 760px) {
  [data-windows-icons] {
    display: none;
  }
}