/* ===========================================
   JAVY 5 - Home Screen (Phone OS Launcher)
   Chappy V2 Style - Glasmorphism
   =========================================== */

/* ---- Home Screen Container ---- */
#home-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--space-xl);
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;

  /* Wallpaper support via CSS variable */
  background-image: var(--wallpaper, none);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* ---- App Grid ---- */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: var(--space-xl);
  padding: var(--space-lg) 0;
  flex: 1;
  align-content: start;
  max-width: 960px;
  margin: 0 auto;
  width: 100%;
}

/* ---- App Icon ---- */
.app-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  transition: transform var(--transition-spring);
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  position: relative;
}

.app-icon:hover {
  transform: scale(1.08);
}

.app-icon:active {
  transform: scale(0.92);
}

.app-icon-img {
  width: 84px;
  height: 84px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 39px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.app-icon-img svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Glass shine overlay */
.app-icon-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--glass-shine);
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.app-icon:hover .app-icon-img::before {
  opacity: 1;
}

/* Hover: Purple glow + lighter glass */
.app-icon:hover .app-icon-img {
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-md), 0 0 16px rgba(139, 92, 246, 0.15);
  background: var(--glass-bg-hover);
}

.app-icon:active .app-icon-img {
  background: var(--glass-bg-active);
  box-shadow: var(--shadow-sm);
}

.app-icon-label {
  font-size: var(--font-xs);
  color: var(--text-secondary);
  text-align: center;
  max-width: 108px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color var(--transition-fast);
  line-height: 1.3;
}

.app-icon:hover .app-icon-label {
  color: var(--text-primary);
}

/* ---- "Add App" Button ---- */
.app-icon.app-add .app-icon-img {
  border-style: dashed;
  border-color: var(--text-muted);
  background: transparent;
  font-size: 22px;
  color: var(--text-muted);
}

.app-icon.app-add .app-icon-img::before {
  display: none;
}

.app-icon.app-add:hover .app-icon-img {
  border-color: var(--accent-purple);
  color: var(--accent-purple);
  background: var(--accent-purple-muted);
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.2);
}

/* ---- Empty State ---- */
.home-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  padding: var(--space-3xl);
  text-align: center;
}

.home-empty-icon {
  font-size: 56px;
  opacity: 0.25;
}

.home-empty-title {
  font-size: var(--font-lg);
  font-weight: 600;
  color: var(--text-secondary);
}

.home-empty-text {
  font-size: var(--font-sm);
  color: var(--text-muted);
  max-width: 280px;
  line-height: 1.6;
}

/* ---- Page Dots ---- */
.page-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) 0 var(--space-sm);
  flex-shrink: 0;
}

.page-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-md);
  background: var(--text-muted);
  transition: all var(--transition-fast);
}

.page-dot.active {
  background: var(--accent-purple);
  width: 18px;
  border-radius: var(--radius-full);
}

/* ---- Desktop: Larger grid ---- */
@media (min-width: 768px) {
  .app-grid {
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: var(--space-2xl);
    max-width: 1100px;
  }

  .app-icon-img {
    width: 96px;
    height: 96px;
    font-size: 42px;
  }

  .app-icon-label {
    font-size: var(--font-sm);
    max-width: 120px;
  }

  #home-screen {
    padding: var(--space-2xl) var(--space-3xl);
  }
}

/* ---- Large Desktop ---- */
@media (min-width: 1200px) {
  .app-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: var(--space-3xl);
    max-width: 1400px;
  }

  .app-icon-img {
    width: 102px;
    height: 102px;
    font-size: 45px;
  }
}

/* ---- Context Menu ---- */
.context-menu {
  position: fixed;
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(0, 0, 0, 0.3);
  padding: var(--space-xs) 0;
  min-width: 160px;
  z-index: var(--z-dropdown);
  animation: contextMenuIn 150ms ease;
}

.context-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
  text-align: left;
}

.context-menu-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
}

.context-menu-item.danger {
  color: var(--color-error);
}

.context-menu-item.danger:hover {
  background: var(--color-error-bg);
}

.context-menu-divider {
  height: 1px;
  background: var(--glass-border);
  margin: var(--space-xs) 0;
}

@keyframes contextMenuIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ================================================
   EMOJI PICKER
   ================================================ */

.emoji-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(38px, 1fr));
  gap: var(--space-xs);
  padding: var(--space-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  max-height: 150px;
  overflow-y: auto;
}

.emoji-picker-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  background: transparent;
}

.emoji-picker-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  transform: scale(1.15);
}

.emoji-picker-btn.selected {
  border-color: var(--accent-purple);
  background: rgba(139, 92, 246, 0.15);
  transform: scale(1.1);
}

/* ================================================
   DRAG & DROP
   ================================================ */

.app-icon.dragging {
  opacity: 0.4;
  transform: scale(0.9);
}

.app-icon.drag-over {
  transform: scale(1.1);
}

.app-icon.drag-over .app-icon-img {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
}

.app-icon.drag-over::after {
  content: '';
  position: absolute;
  inset: -2px;
  border: 2px dashed var(--accent-cyan);
  border-radius: var(--radius-md);
  pointer-events: none;
}

.app-grid.drag-active .app-icon:not(.dragging):not(.app-add) {
  transition: transform 200ms ease;
}