:root {
    --link-color: #0077cc;
    --link-hover-color: #005fa3;
    --text-color: #222;
    --bg-color: #f5f5f5;
    --border-color: #ddd;
}

html {
    max-width: 80ch;
    padding: 2em 2em;
    margin: auto;
    line-height: 1.7;
    font-size: 1.2em;
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-weight: 400;
    color: var(--text-color);
    background: var(--bg-color);
}

h1, h2, h3, h4, h5, h6 {
    margin: 1em 0 0.5em;
    font-weight: 500;
    letter-spacing: 0.02em;
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

p, ul, ol {
    margin-bottom: 1em;
}

.post-meta {
    text-align: right;
    font-size: 0.9em;
    color: #666;
}

img, blockquote, pre, table {
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    border-radius: 8px;
}

img {
    max-width: 100%;
    margin: 1em auto;
    display: block;
    border-radius: 8px;
}

.image-container {
    margin: 1em auto;
}

.image-caption {
    text-align: center;
    font-size: 0.9em;
    color: #666;
    margin-top: 0.5em;
}

blockquote {
    background: linear-gradient(to right, #f9f9f9, #f2f2f2);
    border-left: 5px solid #0077cc;
    padding: 1.2rem;
    font-style: italic;
}

pre {
    overflow-x: auto;
    padding: 1rem;
    background: #f5f5f5;
    border-radius: 6px;
}

code {
    background: #f5f5f5;
    padding: 0.2em 0.4em;
    border-radius: 4px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1em 0;
}

table, th, td {
    border: 1px solid #ddd;
    padding: 0.6rem;
}

th {
    background: #f0f0f0;
    font-weight: bold;
}

a,
.nav-link,
.social-link,
.post-list-item a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover,
.nav-link:hover,
.social-link:hover,
.post-list-item a:hover {
    color: var(--link-hover-color);
}

html.dark {
  background: #121212;
  color: #f1f1f1;
}

html.dark a {
  color: #90caf9;
  border-bottom-color: rgba(144, 202, 249, 0.3);
}

html.dark a:hover {
  border-bottom-color: rgba(144, 202, 249, 0.8);
}

html.dark blockquote {
  background: linear-gradient(to right, #1e1e1e, #2c2c2c);
  border-left-color: #90caf9;
}

html.dark pre,
html.dark code {
  background: #1e1e1e;
  color: #e0e0e0;
}

html.dark th {
  background: #1c1c1c;
}

.site-nav {
    background-color: var(--bg-color);
    padding: 0 0 1rem 0;
    margin-bottom: 0.25rem;
}

html.dark .site-nav {
    background-color: transparent;
}

.nav-container {
    max-width: 80ch;
    margin: 0 auto;
    padding: 0 2em;
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav-link:hover {
    color: var(--link-color);
}

.nav-link.active {
    color: var(--link-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--link-color);
}

main {
    max-width: 80ch;
    margin: 0 auto;
    padding: 0.2rem 2em 0;
}

hr {
    margin: 2em -2em;
    border: none;
    border-top: 1px solid var(--border-color, #ddd);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.social-link {
    font-size: 1.5rem;
    color: var(--link-color) !important;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: var(--link-color);
}

.post-list-item {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.post-date {
    min-width: 8rem;
    color: #666;
}

h1 {
    margin-top: 0.5em;
}

@media (max-width: 600px) {
  html {
    max-width: 100vw;
    padding: 1em 0.5em;
    font-size: 1em;
  }
  main {
    max-width: 100vw;
    padding: 0.2rem 0.5em 0;
  }
  .nav-container {
    padding: 0 0.5em;
    gap: 0.5rem;
  }
  .post-list-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
  }
  .post-date {
    min-width: 0;
    font-size: 0.95em;
    margin-bottom: 0.1em;
  }
}