.category-chip { transition: all 0.18s ease; }
.category-chip:hover { border-color: var(--color-primary); color: var(--color-primary); }
.category-chip.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); box-shadow: 0 2px 8px rgba(255,107,53,0.25); }