/* Main Stylesheet for The Blog Devigner */
@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&display=swap');

:root {
  --color-primary: #0e0e0e;
  --color-secondary: #666666;
  --color-accent: #9c0505;
  --color-bg: #f0f0f0;
  --color-bg-light: #f9f9f9;
  --color-border: #e0e0e0;
  --font-serif: 'Libre Baskerville', 'Georgia', serif;
  --font-sans:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --max-width: 800px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-serif);
  background-color: var(--color-bg);
  color: var(--color-primary);
  line-height: 1.8;
  font-size: 16px;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.site-header {
 
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-secondary);
  padding: 10px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header-content {
   max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-title {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.05em;
  font-family: var(--font-serif);
}

.site-title a {
  text-decoration: none;
  color: var(--color-primary);
  transition: color 0.3s ease;
}

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

.site-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.site-nav a {
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 500;
  transition: color 0.3s ease;
  border-bottom: 2px solid transparent;
  padding-bottom: 0.25rem;
}

.site-nav a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.site-nav a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  font-weight: 700;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem;
  min-height: calc(100vh - 200px);
}

/* ============================================
   HOME PAGE / BLOG LIST
   ============================================ */
.home-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 2px solid var(--color-primary);
}

.home-header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.home-header p {
  font-size: 1.1rem;
  color: var(--color-secondary);
}

.posts-list {
  list-style: none;
}

.post-item {
  padding: 2rem 0;
  border-bottom: 2px solid var(--color-primary);
  transition: opacity 0.3s ease;
}

.post-item:last-child {
  border-bottom: none;
}

.post-item:hover {
  opacity: 0.8;
}

.post-item-title {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.post-item-title a {
  text-decoration: none;
  color: var(--color-primary);
  transition: color 0.3s ease;
}

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

.post-item-meta {
  font-size: 0.9rem;
  color: var(--color-secondary);
  margin-bottom: 1rem;
  display: flex;
  gap: 1rem;
}

.post-item-excerpt {
  font-size: 1rem;
  color: var(--color-primary);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.post-item-image {
  width: 100%;
  max-width: 300px;
  height: auto;
  margin-top: 1rem;
  border-radius: 4px;
  object-fit: cover;
}

/* ============================================
   POST ARTICLE
   ============================================ */
.post {
  margin: 0;
}

.post-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--color-primary);
}

.post-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
  line-height: 1.2;
}

.post-meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
  color: var(--color-secondary);
}

.post-date {
  font-style: italic;
}

.post-featured-image {
  width: 100%;
  margin: 2rem 0;
  border-radius: 4px;
  overflow: hidden;
}

.post-featured-image img {
  width: 100%;
  height: auto;
  display: block;
  max-height: 500px;
  object-fit: cover;
}

.post-content {
  font-size: 1.05rem;
  line-height: 1.9;
  margin: 2rem 0;
}

.post-content h2 {
  font-size: 1.75rem;
  margin: 2rem 0 1rem 0;
  font-weight: 700;
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 0.5rem;
}

.post-content h3 {
  font-size: 1.4rem;
  margin: 1.5rem 0 0.75rem 0;
  font-weight: 600;
}

.post-content h4,
.post-content h5,
.post-content h6 {
  margin: 1rem 0 0.5rem 0;
  font-weight: 600;
}

.post-content p {
  margin-bottom: 1rem;
}

.post-content img {
  width: 100%;
  height: auto;
  margin: 1.5rem 0;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.post-content ul,
.post-content ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.post-content li {
  margin-bottom: 0.5rem;
}

.post-content a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--color-accent);
  transition: all 0.3s ease;
}

.post-content a:hover {
  background-color: var(--color-bg-light);
  padding: 0 0.25rem;
}

.post-content code {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  background-color: var(--color-bg-light);
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  font-size: 0.9em;
  color: #c7254e;
}

.post-content pre {
  background-color: #f5f5f5;
  border-left: 4px solid var(--color-primary);
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.post-content pre code {
  background-color: transparent;
  padding: 0;
  color: inherit;
}

.post-content blockquote {
  border-left: 4px solid var(--color-accent);
  padding-left: 1rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--color-secondary);
}

.back-link {
  display: inline-block;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 0.25rem;
}

.back-link:hover {
  transform: translateX(-0.5rem);
}

/* ============================================
   PAGE
   ============================================ */
.page-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--color-primary);
}

.page-title {
  font-size: 2.5rem;
  font-weight: 700;
}

.page-content {
  font-size: 1.05rem;
  line-height: 1.9;
}

.page-content h2 {
  font-size: 1.75rem;
  margin: 2rem 0 1rem 0;
  font-weight: 700;
  padding-bottom: 0.5rem;
}

.page-content img {
  height: auto;
  margin: 1.5rem 0;
  border-radius: 4px;
  max-width: 400px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.page-content blockquote {
  border-left: 4px solid var(--color-accent);
  padding-left: 1rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--color-secondary);
  background-color: var(--color-bg-light);
  padding: 1rem;
  border-radius: 4px;
}

.page-content ul,
.page-content ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.page-content li {
  margin-bottom: 0.75rem;
  line-height: 1.8;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background-color: var(--color-bg-light);
  border-top: 1px solid var(--color-secondary);
  padding: 10px;
  margin-top: 3rem;
  text-align: center;
  color: var(--color-secondary);
}

.site-footer p {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

/* ============================================
   RELATED POSTS SECTION
   ============================================ */
.related-posts {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 2px solid var(--color-primary);
}

.related-posts h2 {
  margin-top: 3rem;
  text-align: center;
  margin-bottom: 2rem;
  font-size: 1.8rem;
  font-weight: 700;
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.related-post-card {
  background-color: var(--color-bg-light);
  border: 2px solid var(--color-primary);
  border-radius: 8px;
  padding: 1.5rem;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.related-post-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(14, 14, 14, 0.15);
}

.related-post-title {
  margin: 0 0 0.5rem 0;
  font-size: 1.2rem;
  font-weight: 700;
}

.related-post-title a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.related-post-meta {
  margin-bottom: 1rem;
  font-size: 0.95rem;
  color: var(--color-secondary);
}

.related-post-date {
  color: var(--color-secondary);
  font-size: 0.9rem;
}

.related-post-excerpt {
  color: var(--color-primary);
  font-size: 0.95rem;
  margin: 1rem 0;
  line-height: 1.6;
}

.related-post-link {
  display: inline-block;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.related-post-link:hover {
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .related-posts-grid {
    grid-template-columns: 1fr;
  }
  .related-posts h2 {
    font-size: 1.5rem;
  }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
  .site-header {
    padding: 1rem 0;
  }

  .site-header-content {
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.5rem;
  }

  .site-title {
    font-size: 1.5rem;
    width: 100%;
  }

  .site-nav {
    width: 100%;
    gap: 1rem;
  }

  .main-content {
    padding: 2rem 1rem;
  }

  .post-title,
  .page-title,
  .home-header h1 {
    font-size: 1.5rem;
  }

  .post-header,
  .page-header {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1rem;
  }

  .post-content h2,
  .page-content h2 {
    font-size: 1.3rem;
  }

  .post-meta {
    flex-direction: column;
    gap: 0.5rem;
  }

  .post-item-image {
    max-width: 100%;
  }

  .home-header h1 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  .site-header {
    padding: 0.75rem 0;
    border-bottom: 2px solid var(--color-primary);
  }

  .site-header-content {
    padding: 0.75rem 1rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .site-title {
    font-size: 1.25rem;
    width: 100%;
  }

  .site-nav {
    width: 100%;
    gap: 0.75rem;
    font-size: 0.9rem;
  }
  .site-nav a {
    font-size: 0.9rem;
    padding-bottom: 0.1rem;
  }

  .main-content {
    padding: 1.5rem 1rem;
  }

  .post-title,
  .page-title,
  .home-header h1 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
  }

  .post-content h2,
  .page-content h2 {
    font-size: 1.15rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
  }

  .post-content h3 {
    font-size: 1.05rem;
  }

  .post-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
  }

  .post-meta {
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.85rem;
  }

  .post-featured-image img {
    max-height: 300px;
  }

  .page-content img,
  .post-content img {
    max-width: 100%;
  }

  .home-header {
    margin-bottom: 2rem;
  }

  .home-header p {
    font-size: 0.95rem;
  }

  .post-item {
    padding: 1.5rem 0;
  }

  .post-item-title {
    font-size: 1.25rem;
  }

  .post-item-excerpt {
    font-size: 0.95rem;
  }
}

/* ============================================
   TAG FILTER STYLES
   ============================================ */
.tag-filter-container {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.tag-filter-header {
  margin-bottom: 1.25rem;
}

.tag-filter-title {
  font-family: 'Libre Baskerville', 'Georgia', serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin: 0;
  letter-spacing: 0.5px;
}

.tag-filter-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.tag-filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  width: 100%;
}

.tag-filter-btn {
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 0.5rem 1rem;
  border: 2px solid var(--color-border);
  background-color: #ffffff;
  color: var(--color-primary);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.tag-filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.tag-filter-btn.active {
  background-color: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
  font-weight: 600;
}

.tag-filter-btn.active:hover {
  box-shadow: 0 4px 8px rgba(156, 5, 5, 0.2);
}

.tag-name {
  font-weight: 500;
  margin-right: 8px;
}

.tag-count {
  background-color: rgba(0, 0, 0, 0.1);
  padding: 0.2rem 0.5rem;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  min-width: 1.5rem;
  text-align: center;
}

.tag-filter-btn.active .tag-count {
  background-color: rgba(255, 255, 255, 0.25);
}

.tag-filter-btn:hover .tag-count {
  background-color: rgba(156, 5, 5, 0.1);
}

.tag-filter-toggle {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-secondary);
  background-color: transparent;
  color: var(--color-secondary);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
}

.tag-filter-toggle:hover {
  background-color: var(--color-bg);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.toggle-icon {
  display: inline-block;
  transition: transform 0.3s ease;
}

.toggle-count {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin-left: 0.25rem;
}

.tag-filter-toggle:hover .toggle-count {
  color: var(--color-primary);
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .site-header,
  .site-footer {
    display: none;
  }

  .main-content {
    max-width: 100%;
    padding: 0;
  }

  .post-content a,
  .page-content a {
    text-decoration: underline;
  }
}

.container {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  width: 100%;
}

  .btn-sm {
    padding: 8px 12px !important;
    font-size: 0.75rem !important;
  }

  .post-quiz-section {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 2px solid var(--color-primary);
  }