:root {
  --bg-color: #ffffff;
  --text-color: #1a1a1a;
  --meta-color: #666666;
  --border-color: #eaeaea;
  --code-bg-color: #f7f7f7;
  --tag-bg-color: #f7f7f7;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: 'Lora', Charter, "Bitstream Charter", Cambria, serif;
}

html.dark {
  --bg-color: #0f0f11;
  --text-color: #f3f4f6;
  --meta-color: #9ca3af;
  --border-color: #1f2937;
  --code-bg-color: #1f2937;
  --tag-bg-color: #1f2937;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

header.site-header {
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  margin-bottom: 3rem;
}

header.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header.site-header a.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-color);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Typography for Posts */
article.prose {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--text-color);
}

article.prose h1,
article.prose h2,
article.prose h3,
article.prose h4 {
  font-family: var(--font-sans);
  color: var(--text-color);
  margin-top: 2em;
  margin-bottom: 0.75em;
  font-weight: 700;
  line-height: 1.25;
}

article.prose h1 {
  font-size: 2.25rem;
  letter-spacing: -0.02em;
  margin-top: 0;
}

article.prose h2 {
  font-size: 1.75rem;
  letter-spacing: -0.01em;
}

article.prose p {
  margin-top: 0;
  margin-bottom: 1.5em;
}

article.prose a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--border-color);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: text-decoration-color 0.2s ease;
}

article.prose a:hover {
  text-decoration-color: var(--text-color);
}

article.prose blockquote {
  margin: 2em 0;
  padding-left: 1.5rem;
  border-left: 3px solid var(--text-color);
  font-style: italic;
  color: var(--meta-color);
  font-size: 1.25rem;
}

article.prose pre {
  background: var(--code-bg-color);
  padding: 1.25rem;
  border-radius: 4px;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.9em;
  margin-bottom: 1.5em;
  border: 1px solid var(--border-color);
}

article.prose code {
  background: var(--code-bg-color);
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-size: 0.9em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

article.prose pre code {
  background: none;
  padding: 0;
  border: none;
}

article.prose img {
  max-width: 100%;
  height: auto;
  margin: 2rem 0;
  border-radius: 4px;
}

.post-header {
  margin-bottom: 3rem;
}

.post-title {
  font-family: var(--font-sans);
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-top: 0;
  margin-bottom: 1rem;
}

.post-meta {
  font-family: var(--font-sans);
  color: var(--meta-color);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

footer.site-footer {
  margin-top: 4rem;
  padding: 3rem 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--meta-color);
  font-size: 0.9rem;
}

footer.site-footer a {
  color: var(--text-color);
  text-decoration: underline;
  text-decoration-color: var(--border-color);
}

/* Index/Home Styles */
.index-header {
  margin-bottom: 3.5rem;
}

.index-title {
  font-family: var(--font-sans);
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.index-subtitle {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--meta-color);
  margin: 0;
}

.posts-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.post-item {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 2.5rem;
}

.post-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.post-item-header {
  margin-bottom: 0.5rem;
}

.post-item-title {
  font-family: var(--font-sans);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem 0;
}

.post-item-title a {
  color: var(--text-color);
  text-decoration: none;
  background-image: linear-gradient(120deg, transparent 0%, transparent 100%);
  background-repeat: no-repeat;
  background-size: 100% 0.15em;
  background-position: 0 88%;
  transition: background-size 0.25s ease, background-image 0.25s ease;
}

.post-item-title a:hover {
  background-image: linear-gradient(120deg, var(--text-color) 0%, var(--text-color) 100%);
  background-size: 100% 0.15em;
}

.post-item-meta {
  font-family: var(--font-sans);
  color: var(--meta-color);
  font-size: 0.9rem;
}

.post-item-subtitle {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--meta-color);
  margin: 0;
}

/* Pagination Styles */
.pagination {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  align-items: center;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  font-size: 1.25rem;
  color: var(--text-color);
  text-decoration: none;
  border: 1px solid var(--border-color);
  background-color: transparent;
  transition: all 0.2s ease;
  cursor: pointer;
}

.pagination-btn:hover:not(.pagination-btn-disabled) {
  background-color: var(--text-color);
  color: var(--bg-color);
  border-color: var(--text-color);
}

.pagination-btn-disabled {
  color: var(--meta-color);
  border-color: var(--border-color);
  opacity: 0.4;
  cursor: not-allowed;
}

/* Category Badge Styles */
.post-category {
  margin-bottom: 0.75rem;
}

.category-badge {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  color: var(--meta-color);
  background-color: var(--border-color);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  text-decoration: none !important;
  transition: all 0.2s ease;
}

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

/* Post Tags Styles */
.post-footer {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.tags-label {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--meta-color);
  margin-right: 0.25rem;
}

.tag-pill {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--meta-color);
  background-color: var(--tag-bg-color);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

/* Theme Toggle Button Styles */
.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  padding: 0.5rem;
  border-radius: 50%;
  cursor: pointer;
  color: var(--text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
  background-color: var(--border-color);
}

.theme-toggle-btn .sun-icon {
  display: block;
  width: 1.15rem;
  height: 1.15rem;
}
.theme-toggle-btn .moon-icon {
  display: none;
  width: 1.15rem;
  height: 1.15rem;
}

html.dark .theme-toggle-btn .sun-icon {
  display: none;
}
html.dark .theme-toggle-btn .moon-icon {
  display: block;
}