.support-sidebar {
  background: #ffffff;
  min-height: 100%;
}

.support-sidebar__product {
  background: #ffffff;
  padding: 18px 18px 14px;
  text-align: center;
}

.support-sidebar__image-wrap {
  height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.support-sidebar__image {
  max-width: 100%;
  max-height: 150px;
  object-fit: contain;
}

.support-sidebar__product-name {
  margin-top: 12px;
  color: #555;
  font-size: 0.95rem;
}

.support-sidebar__os {
  margin-top: 12px;
  position: relative;
}

.support-sidebar__os-label {
  font-size: 0.95rem;
  color: #666;
  margin-bottom: 4px;
}

.support-sidebar__os-select {
  width: 100%;
  min-height: 48px;
  border: 1px solid #dddddd;
  background: #ffffff;
  color: #444;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.95rem;
  cursor: pointer;
}

.support-sidebar__os-arrow {
  display: inline-flex;
  align-items: center;
  color: #666;
}

.support-sidebar__os-arrow-icon {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
}

.support-sidebar__os-select[aria-expanded='true'] .support-sidebar__os-arrow-icon {
  transform: rotate(180deg);
}

.support-sidebar__os-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 20;
  max-height: 260px;
  overflow-y: auto;
  background: #fff;
  border: 1px solid #ddd;
  border-top: 0;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

.support-sidebar__os-option {
  width: 100%;
  border: 0;
  background: #fff;
  text-align: left;
  padding: 10px 14px;
  color: #444;
  cursor: pointer;
}

.support-sidebar__os-option:hover {
  background: #f5f5f5;
}

.support-sidebar__os-option.is-active {
  background: #f3f3f3;
  font-weight: 700;
}

.support-sidebar__nav {
  margin-top: 16px;
}

.support-sidebar__section + .support-sidebar__section {
  margin-top: 2px;
}

.support-sidebar__group-toggle,
.support-sidebar__child-button,
.support-sidebar__link,
.support-sidebar__link-button {
  box-sizing: border-box;
  width: 100%;
  display: block;
  border: 0;
  background: #f3f3f3;
  color: #444;
  text-decoration: none;
  text-align: left;
  padding: 14px 18px;
  font-size: 0.95rem;
  line-height: 1.3;
}

.support-sidebar__group-toggle {
  cursor: pointer;
  font-weight: 400;
}

.support-sidebar__link-button {
  cursor: pointer;
}

.support-sidebar__children {
  background: #f7f7f7;
}

.support-sidebar__child-button {
  position: relative;
  padding-left: 28px;
  background: #f7f7f7;
  cursor: pointer;
}

.support-sidebar__child-button.is-active {
  background: #ffffff;
  color: #222;
}

.support-sidebar__link.is-active,
.support-sidebar__link-button.is-active {
  position: relative;
  background: #ffffff;
  color: #222;
}

.support-sidebar__child-button.is-active::before {
  content: '';
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 0;
  width: 4px;
  background: #c81010;
}

.support-sidebar__link.is-active::before,
.support-sidebar__link-button.is-active::before {
  content: '';
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 0;
  width: 4px;
  background: #c81010;
}

.support-sidebar__link:hover,
.support-sidebar__group-toggle:hover,
.support-sidebar__child-button:hover,
.support-sidebar__link-button:hover {
  background: #eeeeee;
}

@media (max-width: 900px) {
  .support-sidebar__product {
    border-right: 0;
  }
}