* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 40px 20px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

h1 {
  text-align: center;
  color: white;
  font-size: 3rem;
  margin-bottom: 50px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
}

.blog-card {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  cursor: pointer;
}

.blog-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.blog-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.blog-card:hover .blog-image {
  transform: scale(1.1);
}

.blog-content {
  padding: 25px;
}

.blog-category {
  display: inline-block;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 0.85rem;
  margin-bottom: 10px;
}

.blog-title {
  font-size: 1.5rem;
  color: #333;
  margin: 15px 0;
  line-height: 1.4;
}

.blog-excerpt {
  color: #666;
  line-height: 1.6;
  margin-bottom: 15px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #999;
  font-size: 0.9rem;
  border-top: 1px solid #eee;
  padding-top: 15px;
}

.blog-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.author-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.blog-card.clicked {
  animation: pulse 0.5s ease;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(0.95);
  }
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal.active {
  display: flex;
}

.modal-content {
  background: white;
  padding: 40px;
  border-radius: 20px;
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background: #f0f0f0;
  border: none;
  cursor: pointer;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.close-btn:hover {
  background: #e0e0e0;
  transform: rotate(90deg);
}

.filter-container {
  text-align: center;
  margin-bottom: 30px;
}

.filter-btn {
  background: white;
  color: #667eea;
  border: 2px solid white;
  padding: 10px 20px;
  margin: 0 5px;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1rem;
}

.filter-btn:hover,
.filter-btn.active {
  background: #667eea;
  color: white;
  transform: translateY(-2px);
}