.sidebar {
  position: relative;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  width: 0;
  max-width: min(var(--sidebar-width, var(--comments-sidebar-width, 400px)), 100vw);
  height: 100%;
  overflow: hidden;
  background: var(--bg-main);
  border-left: 1px solid transparent;
  color: var(--text-primary);
  transition:
    width 0.25s cubic-bezier(0.32, 0.72, 0, 1),
    border-color 0.25s cubic-bezier(0.32, 0.72, 0, 1);

  &.open {
    width: min(var(--sidebar-width, var(--comments-sidebar-width, 400px)), 100vw);
    border-left-color: var(--border-solid);
  }

  &.resizing {
    transition: none;
    user-select: none;
  }
}

.resizeHandle {
  position: absolute;
  top: 0;
  left: -4px;
  z-index: 1;
  width: 8px;
  height: 100%;
  cursor: col-resize;
  touch-action: none;

  &::before {
    content: "";
    position: absolute;
    top: 0;
    left: 3px;
    width: 2px;
    height: 100%;
    background: transparent;
    transition: background 0.15s;
  }

  @media (hover: hover) and (pointer: fine) {
    &:hover::before {
      background: var(--border-medium);
    }
  }

  .sidebar.resizing &::before {
    background: var(--border-medium);
  }
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: min(var(--sidebar-width, var(--comments-sidebar-width, 400px)), 100vw);
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--border-solid);
  flex-shrink: 0;
}

.title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.count {
  margin-left: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-tertiary);
}

.headerActions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.headerButton {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;

  @media (hover: hover) and (pointer: fine) {
    &:hover {
      background: var(--bg-layered);
      color: var(--text-primary);
    }
  }
}

.headerButtonActive {
  background: color-mix(in srgb, var(--color-active) 12%, transparent);
  color: var(--color-active);
}

.content {
  flex: 1;
  min-width: min(var(--sidebar-width, var(--comments-sidebar-width, 400px)), 100vw);
  overflow-y: auto;
  padding: 12px 12px 24px;
}