Grid Photo Gallery

.grid-gallery-container {
  background: #f8f9fa;
  padding: 30px;
  border-radius: 15px;
}

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 20px;
  border: 2px solid #e9ecef;
  background: white;
  color: #6c757d;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  font-size: 14px;
}

.filter-btn:hover {
  border-color: #667eea;
  color: #667eea;
  transform: translateY(-2px);
}

.filter-btn.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-color: #667eea;
  color: white;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.grid-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.grid-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.4s ease;
  background: white;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.grid-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.grid-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.grid-item:hover img {
  transform: scale(1.1);
}

.item-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.8) 0%,
    rgba(0, 0, 0, 0.4) 50%,
    transparent 100%
  );
  color: white;
  padding: 20px;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.grid-item:hover .item-overlay {
  transform: translateY(0);
}

.item-overlay h4 {
  margin: 0 0 8px 0;
  font-size: 18px;
  font-weight: 600;
}

.category-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  padding: 4px 12px;
  border-radius: 15px;
  font-size: 12px;
  font-weight: 500;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Filter animations */
.grid-item.hide {
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
}

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

/* Responsive design */
@media (max-width: 768px) {
  .grid-gallery-container {
    padding: 20px;
  }
  
  .grid-gallery {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
  }
  
  .grid-item img {
    height: 200px;
  }
  
  .filter-tabs {
    gap: 8px;
  }
  
  .filter-btn {
    padding: 8px 16px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .grid-gallery {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  
  .grid-item img {
    height: 150px;
  }
  
  .item-overlay {
    padding: 15px;
  }
  
  .item-overlay h4 {
    font-size: 16px;
  }
}

/* Loading animation */
.grid-item {
  animation: fadeInScale 0.6s ease-out;
}

.grid-item:nth-child(1) { animation-delay: 0.1s; }
.grid-item:nth-child(2) { animation-delay: 0.2s; }
.grid-item:nth-child(3) { animation-delay: 0.3s; }
.grid-item:nth-child(4) { animation-delay: 0.4s; }
.grid-item:nth-child(5) { animation-delay: 0.5s; }
.grid-item:nth-child(6) { animation-delay: 0.6s; }

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

document.addEventListener('DOMContentLoaded', function() {
  const filterBtns = document.querySelectorAll('.filter-btn');
  const gridItems = document.querySelectorAll('.grid-item');
  
  // Filter functionality
  filterBtns.forEach(btn => {
    btn.addEventListener('click', function() {
      const filter = this.getAttribute('data-filter');
      
      // Update active button
      filterBtns.forEach(b => b.classList.remove('active'));
      this.classList.add('active');
      
      // Filter items
      filterItems(filter);
    });
  });
  
  function filterItems(filter) {
    gridItems.forEach((item, index) => {
      const category = item.getAttribute('data-category');
      
      if (filter === 'all' || category === filter) {
        // Show item with delay
        setTimeout(() => {
          item.classList.remove('hide');
          item.classList.add('show');
        }, index * 100);
      } else {
        // Hide item
        item.classList.remove('show');
        item.classList.add('hide');
      }
    });
  }
  
  // Initialize all items as visible
  gridItems.forEach(item => {
    item.classList.add('show');
  });
  
  // Click handlers for items
  gridItems.forEach(item => {
    item.addEventListener('click', function() {
      const img = this.querySelector('img');
      const title = this.querySelector('h4').textContent;
      const category = this.querySelector('.category-tag').textContent;
      
      // Add click animation
      this.style.transform = 'scale(0.95)';
      setTimeout(() => {
        this.style.transform = '';
      }, 150);
      
      // You can add lightbox or modal functionality here
      console.log(`Clicked: ${title} (${category})`);
      
      // Example: Show alert with image info
      showImageInfo(title, category, img.src);
    });
  });
  
  function showImageInfo(title, category, imageSrc) {
    // Create a simple modal
    const modal = document.createElement('div');
    modal.style.cssText = `
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.8);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 1000;
      animation: fadeIn 0.3s ease;
    `;
    
    modal.innerHTML = `
      <div style="
        background: white;
        padding: 30px;
        border-radius: 15px;
        text-align: center;
        max-width: 400px;
        animation: scaleIn 0.3s ease;
      ">
        <img src="${imageSrc}" style="
          width: 100%;
          height: 200px;
          object-fit: cover;
          border-radius: 10px;
          margin-bottom: 20px;
        " />
        <h3 style="margin: 0 0 10px 0; color: #333;">${title}</h3>
        <p style="margin: 0 0 20px 0; color: #666;">Category: ${category}</p>
        <button onclick="this.closest('div').parentElement.remove()" style="
          background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
          color: white;
          border: none;
          padding: 10px 20px;
          border-radius: 25px;
          cursor: pointer;
          font-weight: 500;
        ">Close</button>
      </div>
    `;
    
    document.body.appendChild(modal);
    
    // Close on backdrop click
    modal.addEventListener('click', function(e) {
      if (e.target === modal) {
        modal.remove();
      }
    });
  }
  
  // Add required animations to head
  const animations = `
    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }
    
    @keyframes scaleIn {
      from { transform: scale(0.8); opacity: 0; }
      to { transform: scale(1); opacity: 1; }
    }
  `;
  
  const styleSheet = document.createElement('style');
  styleSheet.textContent = animations;
  document.head.appendChild(styleSheet);
});