.wallpaper-chooser {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: #1e1e1e;
  color: #fff;
  font-family: 'Segoe UI', sans-serif;
}

.wallpaper-chooser .wc-header {
  padding: 12px 20px;
  font-size: 1rem;
  border-bottom: 1px solid #333;
}

.wallpaper-chooser .wc-main {
  display: flex;
  flex: 1 1 auto;
  overflow: hidden;
}

.wallpaper-chooser .wc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  padding: 20px;
  overflow-y: auto;
  flex: 2;
}

.wallpaper-chooser .wc-item {
  border: 2px solid transparent;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: border 0.2s, transform 0.2s;
}

.wallpaper-chooser .wc-item:hover {
  transform: scale(1.02);
}

.wallpaper-chooser .wc-item.selected {
  transform: scale(1.02);
}

.wallpaper-chooser .wc-item img {
  width: 100%;
  display: block;
  height: 100px;
  object-fit: cover;
}

.wallpaper-chooser .wc-preview {
  display: flex;
  flex-direction: column;
  border-left: 1px solid #333;
  flex: 1 1 auto;
  min-width: 250px;
  height: 100%;
}

.wallpaper-chooser .wc-preview-image {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow: hidden;
}

.wallpaper-chooser .wc-preview-image img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 8px;
  object-fit: contain;
}

.wallpaper-chooser .wc-actions {
  flex: 0 0 auto;
  min-height: 50px;
  border-top: 1px solid #333;
  padding: 50px 10px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.wallpaper-chooser .wc-actions button {
  background: #1a73e8;
  border: none;
  color: #fff;
  padding: 8px 20px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s;
}

.wallpaper-chooser .wc-actions button:hover {
  background: #1665c1;
}

.wallpaper-chooser .wc-actions .wc-cancel {
  background: #444;
}

.wallpaper-chooser .wc-actions .wc-cancel:hover {
  background: #666;
}

@media (max-width: 768px) {
  .wallpaper-chooser .wc-main {
    flex-direction: column;
  }

  .wallpaper-chooser .wc-grid {
    flex: none;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }

  .wallpaper-chooser .wc-preview {
    border-left: none;
    border-top: 1px solid #333;
    flex: none;
  }
}