.channel-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.channel-group {
  margin-bottom: 16px;
}

.channel-group-header {
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-tertiary, #999);
  letter-spacing: 0.5px;
}

.channel-item {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  cursor: pointer;
  transition: background 0.2s;
  gap: 12px;
}

.channel-item:hover {
  background: var(--hover-bg, #f5f5f5);
}

.channel-item.active {
  background: var(--active-bg, #e3f2fd);
  border-left: 3px solid var(--primary-color, #2196F3);
  padding-left: 13px;
}

.channel-item.unread {
  font-weight: 600;
}

.channel-icon {
  font-size: 18px;
  flex-shrink: 0;
}

.channel-name {
  flex: 1;
  font-size: 14px;
  color: var(--text-primary, #333);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.unread-badge {
  background: var(--error-color, #f44336);
  color: white;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}

/* Scrollbar styling */
.channel-list::-webkit-scrollbar {
  width: 6px;
}

.channel-list::-webkit-scrollbar-track {
  background: transparent;
}

.channel-list::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb, #ccc);
  border-radius: 3px;
}

.channel-list::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover, #999);
}