.pro-layout__columns-aside {
  flex-shrink: 0;
  height: 100%;
  border-radius: var(--pro-layout-shell-radius, 16px);
  border: 1px solid var(--pro-layout-shell-border, rgba(255, 255, 255, 0.65));
  background: var(--pro-layout-sider-bg, rgba(255, 255, 255, 0.92));
  box-shadow: var(--pro-layout-shell-shadow);
  backdrop-filter: blur(10px);
  overflow: hidden;
}
.pro-layout__columns-aside-scroll {
  height: 100%;
}
.pro-layout__columns-aside-list {
  list-style: none;
  margin: 0;
  padding: 8px 4px;
}
.pro-layout__columns-aside-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 4px;
  margin-bottom: 4px;
  border-radius: 12px;
  cursor: pointer;
  color: var(--pro-layout-text-muted, #64748b);
  transition: background-color 0.15s ease, color 0.15s ease;
}
.pro-layout__columns-aside-item:hover {
  background: #f8fafc;
  color: var(--pro-layout-text, #0f172a);
}
.pro-layout__columns-aside-item--active {
  background: linear-gradient(135deg, var(--pro-layout-accent-soft, #eef2ff) 0%, var(--pro-layout-accent-muted, #e0e7ff) 100%);
  color: var(--pro-layout-accent-dark, #4338ca);
  font-weight: 600;
}
.pro-layout__columns-aside-icon {
  font-size: 18px;
}
.pro-layout__columns-aside-char {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  border-radius: 8px;
  background: #f1f5f9;
}
.pro-layout__columns-aside-label {
  font-size: 11px;
  line-height: 1.2;
  text-align: center;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}