/* Blog Styles */

/* CSS Variables with Auto Dark Mode Detection */
:root {
  --bg-color: #ffffff;
  --text-color: #1a1a1a;
  --text-muted: #666;
  --border-color: #e1e1e1;
  --card-bg: #ffffff;
  --accent-color: #0066cc;
  --secondary-bg: #f8f9fa;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #1a1a1a;
    --text-color: #e1e1e1;
    --text-muted: #c9c9c9;
    --border-color: #333;
    --card-bg: #2a2a2a;
    --accent-color: #4dabf7;
    --secondary-bg: #252525;
  }
}

body {
  background: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s, color 0.3s;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

.blog-container {
  max-width: 900px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

.blog-header {
  text-align: center;
  margin-bottom: 4rem;
  padding: 2rem 0;
}

.blog-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.blog-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.categories-filter {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  justify-content: center;
}

.category-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-muted);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 0.9rem;
  font-weight: 500;
}

.category-btn:hover {
  background: var(--secondary-bg);
  color: var(--text-color);
}

.category-btn.active {
  background: var(--accent-color);
  color: #ffffff;
  border-color: var(--accent-color);
}

.posts-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 3rem;
}

.post-card {
  background: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: all 0.3s;
  animation: fadeInUp 0.6s ease-out;
}

.post-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.post-content {
  padding: 2rem;
}

.post-date {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.post-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.post-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s;
}

.post-title a:hover {
  color: var(--accent-color);
}

.post-excerpt {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.post-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.post-category {
  background: var(--secondary-bg);
  color: var(--text-muted);
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
}

.read-more {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.3s;
}

.read-more:hover {
  opacity: 0.8;
}

.back-to-portfolio {
  display: inline-block;
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 500;
  margin-bottom: 2rem;
  padding: 0.5rem 0;
  transition: opacity 0.3s;
}

.back-to-portfolio:hover {
  opacity: 0.8;
}



/* Responsive Design */
@media (max-width: 768px) {
  .blog-container {
    margin: 1rem auto;
    padding: 0 1rem;
  }
  
  .blog-title {
    font-size: 2rem;
  }
  
  .categories-filter {
    gap: 0.5rem;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}