/* Global Reset & Variables */
:root {
  --taskbar-bg: rgba(15, 15, 20, 0.85);
  --window-chrome: #1e1e2e;
  --window-body: #181825;
  --window-active: #2a2a3c;
  --window-inactive: #1a1a28;
  --accent: #89b4fa;
  --close-hover: #e64553;
  --max-hover: #a6e3a1;
  --min-hover: #f9e2af;
  --text: #cdd6f4;
  --text-muted: #6c7086;
  --selection: rgba(137, 180, 250, 0.3);
  --start-bg: rgba(20, 20, 30, 0.92);
  --context-bg: rgba(25, 25, 35, 0.95);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-light: rgba(255, 255, 255, 0.1);
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'Cascadia Code', 'Consolas', 'JetBrains Mono', monospace;
  --wallpaper: linear-gradient(135deg, #0c0c1d 0%, #1a1040 40%, #0d1933 70%, #0a0a15 100%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-ui);
  color: var(--text);
  user-select: none;
  -webkit-user-select: none;
}

.hidden {
  display: none !important;
}

/* Desktop */
#desktop {
  position: fixed;
  inset: 0;
  overflow: hidden;
}

#desktop-wallpaper {
  position: absolute;
  inset: 0;
  background: var(--wallpaper);
  z-index: 0;
}

#desktop-icons {
  position: absolute;
  inset: 0;
  bottom: 48px;
  z-index: 1;
  padding: 16px;
}

.desktop-icon {
  position: absolute;
  width: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 4px;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}

.desktop-icon:hover {
  background: rgba(255, 255, 255, 0.06);
}

.desktop-icon.selected {
  background: var(--selection);
  border-color: rgba(137, 180, 250, 0.4);
}

.desktop-icon svg {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.desktop-icon .icon-label {
  font-size: 11px;
  text-align: center;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
  word-break: break-word;
  line-height: 1.3;
  max-width: 76px;
}

/* Selection Rectangle */
#selection-rect {
  position: absolute;
  border: 1px solid var(--accent);
  background: var(--selection);
  z-index: 5;
  pointer-events: none;
}

/* Snap Preview */
#snap-preview {
  position: fixed;
  background: rgba(137, 180, 250, 0.15);
  border: 2px solid rgba(137, 180, 250, 0.4);
  border-radius: 8px;
  z-index: 99;
  pointer-events: none;
  transition: all 0.15s ease;
}

/* Alt+Tab Overlay */
#alt-tab-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

#alt-tab-overlay.hidden {
  display: none !important;
}

.alt-tab-item {
  width: 120px;
  padding: 12px;
  background: rgba(30, 30, 46, 0.9);
  border: 2px solid transparent;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: border-color 0.15s, background 0.15s;
}

.alt-tab-item.active {
  border-color: var(--accent);
  background: rgba(42, 42, 60, 0.95);
}

.alt-tab-item svg {
  width: 40px;
  height: 40px;
}

.alt-tab-item span {
  font-size: 11px;
  color: var(--text);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100px;
}

/* Windows Container */
#windows-container {
  position: absolute;
  inset: 0;
  bottom: 48px;
  z-index: 10;
  pointer-events: none;
}

/* Notifications Dropdown */
#notifications-dropdown {
  position: fixed;
  bottom: 52px;
  right: 8px;
  background: var(--context-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 16px 20px;
  z-index: 9998;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  color: var(--text-muted);
  font-size: 13px;
}

/* Responsive */
@media (max-width: 768px) {
  .responsive-warning {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.9);
    z-index: 100000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
    gap: 16px;
  }
  .responsive-warning p {
    color: var(--text);
    font-size: 16px;
    max-width: 400px;
  }
  .responsive-warning button {
    padding: 8px 24px;
    background: var(--accent);
    border: none;
    border-radius: 6px;
    color: #000;
    font-weight: 600;
    cursor: pointer;
  }
}