/* Filter Styles */
.articles-filter {
  padding: 2rem 0;
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
  padding: 0.5rem 0.3rem;
}

.filter-btn {
  padding: 0.75rem 1.5rem;
  border: 2px solid #e2e8f0;
  background: white;
  color: #64748b;
  border-radius: 2rem;
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.filter-btn:hover {
  border-color: #f472b6;
  color: #ec4899;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(244, 114, 182, 0.15);
}

.filter-btn.active {
  background: linear-gradient(135deg, #ec4899 0%, #be185d 100%);
  border-color: #ec4899;
  color: white;
  box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
}

.filter-btn.active:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(236, 72, 153, 0.4);
}

/* Article filtering animations */
.article-card {
  transition: all 0.4s ease;
}

.article-card.hidden {
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
  margin: 0;
  height: 0;
  overflow: hidden;
}

.article-card.show {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

/* No results message */
.no-results {
  text-align: center;
  padding: 4rem 2rem;
  color: #64748b;
  display: none;
}

.no-results.show {
  display: block;
}

.no-results h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #374151;
}

.no-results p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
}

.no-results .reset-filter {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: linear-gradient(135deg, #ec4899 0%, #be185d 100%);
  color: white;
  text-decoration: none;
  border-radius: 2rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.no-results .reset-filter:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(236, 72, 153, 0.4);
}

/* Mobile responsive */
@media (max-width: 768px) {
  .filter-buttons {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .filter-buttons::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    flex-shrink: 0;
    padding: 0.625rem 1.25rem;
    font-size: 0.8125rem;
  }
}

/* Results counter */
.results-counter {
  text-align: center;
  padding: 1rem 0;
  color: #64748b;
  font-size: 0.875rem;
}

.results-counter.show {
  display: block;
}