/* Room sidebar — evergreen chrome, mint pill for the active room. */

.sidebar {
  width: 260px;
  min-width: 0;
  max-width: 260px;
  background-color: var(--chrome-bg);
  color: var(--chrome-text);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--chrome-border);
  flex-shrink: 0;
  overflow: hidden;
}

.sidebarHeader {
  padding: 16px 16px 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.sidebarTitle {
  font-size: var(--fs-xs);
  font-weight: 750;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--chrome-text-dim);
}

.createRoomButton {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border: none;
  background-color: var(--chrome-hover);
  color: var(--chrome-text);
  border-radius: 8px;
  cursor: pointer;
  transition:
    background-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease);
}

.createRoomButton svg {
  width: 14px;
  height: 14px;
}

.createRoomButton:hover {
  background-color: var(--accent);
  color: var(--on-accent);
}

.roomList {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 4px 10px 14px;
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.roomList::-webkit-scrollbar-thumb {
  background: var(--chrome-scrollbar);
  background-clip: content-box;
}

.createRoomInput {
  padding: 2px 2px 8px;
}

.createRoomInput input {
  width: 100%;
  padding: 8px 10px;
  background-color: var(--chrome-hover);
  border: 1px solid var(--chrome-border);
  border-radius: 8px;
  color: var(--chrome-text);
  font-size: var(--fs-md);
  min-width: 50px;
  outline: none;
  transition: border-color var(--t-fast) var(--ease);
}

.createRoomInput input:focus {
  border-color: var(--accent);
}

.createRoomInput input::placeholder {
  color: var(--chrome-text-dim);
}

.roomItem {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--chrome-text-dim);
  cursor: pointer;
  transition:
    background-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease);
}

.roomHash {
  opacity: 0.55;
  font-weight: 650;
  flex-shrink: 0;
}

.roomLabel {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.roomItem:hover {
  background-color: var(--chrome-hover);
  color: var(--chrome-text);
}

.roomItem.selected {
  background-color: var(--accent);
  color: var(--on-accent);
  font-weight: 650;
}

.roomItem.selected .roomHash {
  opacity: 0.6;
}

.unreadBadge {
  flex-shrink: 0;
  background-color: var(--unread-bg);
  color: var(--unread-text);
  border-radius: var(--r-full);
  padding: 2px 7px;
  font-size: 11px;
  font-weight: 750;
  min-width: 20px;
  text-align: center;
}

.emptyRooms {
  padding: 12px 8px;
  text-align: center;
  color: var(--chrome-text-dim);
  font-size: var(--fs-sm);
  line-height: 1.5;
}

/* Mobile: sidebar becomes a horizontal chip strip. */
@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    max-width: 100%;
    min-width: 100%;
    max-height: 108px;
    border-right: none;
    border-bottom: 1px solid var(--chrome-border);
    flex-shrink: 0;
    overflow: hidden;
  }

  .sidebarHeader {
    padding: 10px 12px 6px;
    flex-shrink: 0;
    width: 100%;
  }

  .createRoomButton {
    width: 24px;
    height: 24px;
  }

  .roomList {
    padding: 2px 10px 10px;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 6px;
    overflow-x: auto;
    overflow-y: hidden;
    touch-action: pan-x;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    flex: 1;
    min-height: 0;
  }

  .roomItem {
    padding: 6px 12px;
    white-space: nowrap;
    border-radius: var(--r-full);
    font-size: 13px;
    flex-shrink: 0;
  }

  .createRoomInput {
    padding: 0;
    flex-shrink: 0;
  }

  .createRoomInput input {
    width: 150px;
  }

  .emptyRooms {
    padding: 6px 8px;
    white-space: nowrap;
  }
}