.category-bar {
  position: fixed;
  top: 55px;
  left: 0;
  right: 0;
  z-index: 100;
  height: 56px;
  display: flex;
  align-items: center;
  padding-left: 88px;
  padding-right: 12px;
  background-color: #fff;
  overflow: hidden;
  margin-left: 0;
  transition: margin-left 0.3s ease;
}

.category-scroll {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
  scroll-behavior: smooth;
  padding-left: 60px;
  padding-right: 60px;
  -webkit-mask-image: linear-gradient(
    to right,
    transparent,
    black 40px,
    black calc(100% - 40px),
    transparent
  );
  mask-image: linear-gradient(
    to right,
    transparent,
    black 40px,
    black calc(100% - 40px),
    transparent
  );
}

.category-scroll::-webkit-scrollbar {
  display: none;
}

.category-item {
  flex: 0 0 auto;
  padding: 6px 12px;
  border-radius: 8px;
  background-color: #f2f2f2;
  color: #0f0f0f;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}

.category-item.active {
  background-color: #0f0f0f;
  color: #fff;
}

.left-arrow-container,
.right-arrow-container {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 40px;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.left-arrow-container {
  left: calc(88px + 4px);
  opacity: 0;
  pointer-events: none;
  background: linear-gradient(to right, #fff 55%, transparent);
  transition:
    left 0.3s ease,
    opacity 0.2s;
}

.right-arrow-container {
  right: 12px;
  background: linear-gradient(to right, transparent, #fff 55%);
  transition: opacity 0.2s;
}

.left-arrow-container i,
.right-arrow-container i {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.left-arrow-container i:hover,
.right-arrow-container i:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

body.sidebar-open .category-bar {
  padding-left: 256px;
  margin-left: 0;
}

body.sidebar-open .left-arrow-container {
  left: calc(256px + 4px);
}

body.dark-mode .category-item {
  background-color: #272727;
  color: #fff;
}

body.dark-mode .category-item.active {
  background-color: #fff;
  color: #0f0f0f;
}

body.dark-mode .right-arrow-container {
  background: linear-gradient(to right, transparent, #0f0f0f 55%);
  color: #fff;
}

body.dark-mode .left-arrow-container {
  background: linear-gradient(to right, #0f0f0f 55%, transparent);
  color: #fff;
}