.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.tool-card {
  position: relative;
  background: #fff;
  border: 1px solid #e1e5e9;
  border-radius: 8px;
  padding: 1.5rem;
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.tool-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  border-color: #007acc;
}

.tool-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.tool-link:hover {
  text-decoration: none;
}

.prompt-link {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  font-size: 0.8rem;
  color: #666;
  text-decoration: none;
}

.prompt-link:hover {
  color: #007acc;
  text-decoration: underline;
}

.article-entry a:hover {
  text-decoration: none;
}

.tool-card h3 {
  margin: 0 0 0.5rem 0;
  color: #2c3e50;
}

.tool-description {
  color: #666;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.tool-features {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.tool-features li {
  padding: 0.25rem 0;
  color: #555;
  position: relative;
  padding-left: 1rem;
}

.article-entry ul, .article-entry ol {
  list-style-type: none;
}

.tool-features li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #28a745;
  font-weight: bold;
}

.category-header {
  text-align: center;
  margin: 3rem 0 2rem 0;
  padding: 1rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-radius: 8px;
}

.category-header h2 {
  margin: 0;
  font-size: 1.5rem;
}

@media (max-width: 768px) {
  .tools-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .tool-card {
    padding: 1rem;
  }
}
