.menu-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 20px;
  background: var(--titlebar-grad-top);
  border-bottom: 1px solid var(--window-border);
  display: flex;
  align-items: center;
  padding: 0 8px;
  font-weight: bold;
  font-size: 12px;
  z-index: 1000;
  user-select: none;
}

.menu-bar .menu-item {
  padding: 2px 10px;
  cursor: pointer;
  position: relative;
}

.menu-bar .menu-item:hover,
.menu-bar .menu-item.open {
  background: var(--accent);
  color: var(--titlebar-grad-top);
}

.menu-bar .clock {
  margin-left: auto;
  font-weight: normal;
}

.menu-dropdown {
  position: absolute;
  top: 20px; left: 0;
  min-width: 160px;
  background: var(--window-bg);
  border: 1px solid var(--window-border);
  box-shadow: 2px 2px 0 var(--shadow-color);
  display: none;
  z-index: 1001;
}

.menu-dropdown.open { display: block; }

.menu-dropdown .menu-option {
  padding: 4px 12px;
  cursor: pointer;
  white-space: nowrap;
}

.menu-dropdown .menu-option:hover {
  background: var(--accent);
  color: var(--titlebar-grad-top);
}

.window {
  position: absolute;
  min-width: 260px;
  background: var(--window-bg);
  border: 2px solid var(--window-border);
  box-shadow: 3px 3px 0 var(--shadow-color);
  border-radius: 4px;
  overflow: hidden;
}

.window-resize-handle {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 14px;
  height: 14px;
  cursor: nwse-resize;
  background: repeating-linear-gradient(135deg, var(--window-border) 0 1px, transparent 1px 3px);
  background-position: bottom right;
  background-repeat: no-repeat;
  user-select: none;
}

.window-titlebar {
  height: 20px;
  background: linear-gradient(180deg, var(--titlebar-grad-top), var(--titlebar-grad-bottom));
  border-bottom: 2px solid var(--window-border);
  display: flex;
  align-items: center;
  padding: 0 6px;
  font-weight: bold;
  font-size: 12px;
  cursor: move;
  user-select: none;
}

.window-close {
  width: 12px; height: 12px;
  border: 1px solid var(--window-border);
  background: var(--window-bg);
  margin-right: 8px;
  cursor: pointer;
}

.window-title {
  flex: 1;
  text-align: center;
}

.window-body {
  padding: 16px;
}

.icon {
  position: absolute;
  width: 72px;
  text-align: center;
  cursor: pointer;
  user-select: none;
  color: var(--text-primary);
}

.icon svg {
  width: 40px; height: 40px;
  margin-bottom: 4px;
}

.icon .icon-label {
  display: block;
  font-size: 11px;
  background: var(--desktop-bg);
  padding: 1px 3px;
}

.trash-icon {
  position: absolute;
  right: 24px;
  bottom: 24px;
  width: 48px;
  text-align: center;
  color: var(--text-primary);
}
.trash-icon svg { width: 32px; height: 32px; }

.boot-overlay {
  position: fixed;
  inset: 0;
  background: #000;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Courier New", monospace;
  font-size: 32px;
  z-index: 2000;
  cursor: pointer;
  transition: opacity 0.3s ease;
}
.boot-overlay.hidden { opacity: 0; pointer-events: none; }