/* Directory container */
.directory-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Search section */
.search-section {
  margin-bottom: 2rem;
}

#search-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1.1rem;
  border: 2px solid #ddd;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s;
}

#search-input:focus {
  border-color: #1a1a2e;
}

.result-count {
  color: #666;
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

/* Category filter bar */
.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.category-btn {
  background: #fff;
  border: 2px solid #1a1a2e;
  border-radius: 6px;
  padding: 0.45rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  color: #1a1a2e;
}

.category-btn:hover {
  background: #f0f0f5;
}

.category-btn.active {
  background: #1a1a2e;
  color: #fff;
}

/* Tag filters */
.tag-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.tag-filter-btn {
  background: #f0f0f0;
  border: 1px solid #ddd;
  border-radius: 20px;
  padding: 0.3rem 0.8rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}

.tag-filter-btn:hover {
  background: #e0e0e0;
}

.tag-filter-btn.active {
  background: #1a1a2e;
  color: #fff;
  border-color: #1a1a2e;
}

/* Category sections */
.category-section {
  margin-bottom: 2.5rem;
}

.category-heading {
  font-size: 1.4rem;
  color: #1a1a2e;
  border-bottom: 2px solid #e0e0e0;
  padding-bottom: 0.4rem;
  margin-bottom: 1rem;
}

/* Project grid */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 1.25rem;
  transition: box-shadow 0.2s, transform 0.2s;
}

.project-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.project-name {
  margin: 0 0 0.5rem 0;
  font-size: 1.15rem;
}

.project-name a {
  color: #1a1a2e;
  text-decoration: none;
}

.project-name a:hover {
  text-decoration: underline;
}

.project-desc {
  color: #444;
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0 0 0.75rem 0;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  background: #e8f4f8;
  color: #1a6b8a;
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  font-size: 0.8rem;
  cursor: pointer;
}

.tag:hover {
  background: #d0eaf2;
}

/* Responsive */
@media (max-width: 600px) {
  .project-grid {
    grid-template-columns: 1fr;
  }

  .category-filters {
    gap: 0.4rem;
  }

  .category-btn {
    font-size: 0.85rem;
    padding: 0.35rem 0.8rem;
  }
}