.radio-categories {
  width: 100%;
  background: #0a0a0a;
  padding: 20px 20px 0;
  overflow-y: auto;
  border-left: 1px solid #111;
}

.radio-categories h3 {
  font-size: 16px;
  margin-bottom: 20px;
  color: #fff;
  letter-spacing: 0.5px;
}

#radio-categories {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.category {
  padding: 12px 14px;
  border-radius: 12px;
  background: #111;
  border: 1px solid #1f1f1f;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.category:hover {
  background: #181818;
  transform: translateY(-2px);
  border-color: #2a2a2a;
}

.category:hover::before {
  opacity: 1;
}

.category strong {
  display: block;
  font-size: 13px;
  color: #fff;
}

.category p {
  font-size: 11px;
  color: #888;
  margin-top: 3px;
}

.category.active {
  background: linear-gradient(135deg, #1f2937, #111);
  border: 1px solid #3b82f6;
  transform: scale(1.02);
}

.category.active::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: #3b82f6;
  border-radius: 4px;
}

@media (max-width: 1200px) {
  .radio-categories {
    display: none;
  }
}