:root {
  --new-green: #28a745;
  --new-green2: #00e676;
  --new-bg-green: #f4fdf6;
  --header-h: 95px;
  --sticky-gap: 16px;
}

.sidebar-cat {
  position: sticky;
  top: calc(var(--header-h) + var(--sticky-gap));
  align-self: flex-start;
  max-height: calc(100vh - var(--header-h) - (var(--sticky-gap) * 2));
  overflow-y: auto;

  background: #fff;
  border-radius: 12px;
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.12),
    0 4px 12px rgba(0, 0, 0, 0.08);
  padding-bottom: 1rem;
  scrollbar-width: thin;
  scrollbar-color: var(--new-green) #f1f1f1;
}

.sidebar-cat::-webkit-scrollbar {
  width: 6px;
}
.sidebar-cat::-webkit-scrollbar-thumb {
  background: var(--new-green);
  border-radius: 6px;
}
.sidebar-cat::-webkit-scrollbar-track {
  background: #f1f1f1;
}

.cat-btn-all {
  font-size: 0.9rem;
  color: var(--new-green);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color 0.2s ease;
}
.cat-btn-all:hover {
  color: var(--new-green2);
}

.cat-item {
  border-radius: 8px;
  overflow: hidden;
}

.cat-block {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  border-radius: 8px;
  transition: all 0.25s ease;
}
.cat-block:hover {
  background: var(--new-bg-green);
}
.cat-block.active {
  background: var(--new-green);
  color: #fff;
}
.cat-block.active a,
.cat-block.active i,
.cat-block.active span {
  color: #fff !important;
}

.cat-link-main {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: inherit;
  flex: 1;
}

.cat-count {
  font-weight: 500;
  font-size: 0.9rem;
}

.cat-sub {
  transition: all 0.3s ease;
}

.cat-sub a.cat-link-sub {
  display: flex;
  justify-content: space-between;
  padding: 6px 12px;
  font-size: 0.9rem;
  color: #333;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.25s ease;
}

.cat-sub a.cat-link-sub:hover {
  background: var(--new-bg-green);
  color: var(--new-green);
}

.cat-sub a.cat-link-sub.active {
  background: var(--new-bg-green);
  color: var(--new-green2);
  font-weight: 600;
}

.cat-arrow {
  transition: transform 0.3s ease;
}
.cat-arrow.rotated,
.cat-btn[aria-expanded="true"] .cat-arrow {
  transform: rotate(180deg);
}