/* reset */

*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  --color-link:     #2d6e30;
  --color-tag-bg:   #dfe8df;
  --color-tag-text: #2d6e30;
  --color-muted:    #5d6b5d;
  --color-border:   #cfd9cf;
  --color-bg:       #f7f5f0;
  --color-surface:  #f0ede7;
  --color-text:     #1c1917;
  --color-code-bg:  #faf4ed;



  --dark-color-bg: #1a1918;
  --dark-color-surface: #232120;
  --dark-color-text: #e8e2d9;
  --dark-color-muted: #8a8078;
  --dark-color-link: #93bbfc;
  --dark-color-tag-bg: #2e2b28;
  --dark-color-tag-text: #c8bfb4;
  --dark-color-border: #38332e;
  --dark-color-code-bg: #282a36;

  --font-sans: system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  --measure: 40rem;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: var(--dark-color-bg);
    --color-surface: var(--dark-color-surface);
    --color-text: var(--dark-color-text);
    --color-muted: var(--dark-color-muted);
    --color-link: var(--dark-color-link);
    --color-tag-bg: var(--dark-color-tag-bg);
    --color-tag-text: var(--dark-color-tag-text);
    --color-border: var(--dark-color-border);
    --color-code-bg: var(--dark-color-code-bg);
  }
}

html[data-theme="dark"] {
  --color-bg: var(--dark-color-bg);
  --color-surface: var(--dark-color-surface);
  --color-text: var(--dark-color-text);
  --color-muted: var(--dark-color-muted);
  --color-link: var(--dark-color-link);
  --color-tag-bg: var(--dark-color-tag-bg);
  --color-tag-text: var(--dark-color-tag-text);
  --color-border: var(--dark-color-border);
  --color-code-bg: var(--dark-color-code-bg);
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  margin: 0;
  padding: 0 1rem;
}

/* layout */

.site-header,
main,
.site-footer {
  max-width: var(--measure);
  margin-left: auto;
  margin-right: auto;
}

a {
  color: var(--color-link);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-link) 40%, transparent);
}

a:hover { 
  color: color-mix(in srgb, var(--color-link) 75%, black);
  text-decoration-color: color-mix(in srgb, var(--color-link) 75%, black);
}

/* header */

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 0 1.25rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2.5rem;
}

.site-info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.site-tagline {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-muted);
  text-decoration: none;
}

.site-tagline:hover {
  color: var(--color-link);
  text-decoration: underline;
}

.site-url {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.site-url:hover {
  color: var(--color-link);
  text-decoration: underline;
}

/* post list */

.post-entry {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}

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

.post-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.2rem;
}

.post-meta time {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-muted);
}

.post-title {
  margin: 0.1rem 0 0.35rem;
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.3;
}

.post-title a {
  color: var(--color-text);
  text-decoration: none;
}

.post-title a:hover {
  color: var(--color-link);
  text-decoration: underline;
}

.post-summary {
  margin: 0 0 0.4rem;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.empty-state {
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* tags */

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag {
  display: inline-block;
  padding: 0.15em 0.5em;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-tag-text);
  background: var(--color-tag-bg);
  border-radius: 3px;
  text-decoration: none;
}

.tag:hover {
  background: var(--color-border);
  color: var(--color-text);
}

/* taxonomy */

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

.section-title,
.taxonomy-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--color-text);
}

.tag-name {
  font-family: var(--font-mono);
  font-weight: 400;
}

/* single post */

.post {
  padding: 1.25rem 0 2.5rem;
}

.post-header {
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
}

.post-header .post-title {
  font-size: 1.7rem;
  margin: 0.5rem 0 0;
}

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

/* post content */

.post-content {
  font-size: 1rem;
  line-height: 1.75;
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4 {
  margin-top: 2em;
  margin-bottom: 0.5em;
  line-height: 1.3;
  font-weight: 600;
}

.post-content h1 { font-size: 1.55rem; }
.post-content h2 { font-size: 1.3rem; }
.post-content h3 { font-size: 1.1rem; }
.post-content h4 { font-size: 1rem; }

.post-content p { margin: 0 0 1em; }

.post-content code,
.post-summary code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--color-tag-bg);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

.post-entry pre,
.post-content pre,
.post-summary pre {
  border: 1px solid var(--color-border);
  border-radius: 5px;
  padding: 1em 1.2em;
  overflow-x: auto;
  margin: 1.25em 0;
}

.post-content pre code,
.post-summary pre code {
  background: none;
  padding: 0;
  font-size: 0.85em;
}

.post-content blockquote {
  margin: 1.25em 0;
  padding: 0.5em 0 0.5em 1.2em;
  border-left: 3px solid var(--color-border);
  color: var(--color-muted);
  font-style: italic;
}

.post-content blockquote p:last-child { margin-bottom: 0; }

.post-content ul,
.post-content ol {
  padding-left: 1.5em;
  margin: 0 0 1em;
}

.post-content li { margin-bottom: 0.3em; }

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 3px;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9em;
  margin: 1.25em 0;
}

.post-content th,
.post-content td {
  text-align: left;
  padding: 0.45em 0.75em;
  border-bottom: 1px solid var(--color-border);
}

.post-content th {
  font-weight: 600;
  border-bottom-width: 2px;
}

.post-content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2em 0;
}

/* back link */

.back-link {
  font-size: 0.9rem;
}


.read-more {
  display: inline-block;
  margin-top: 0.25rem;
  font-size: 0.85rem;
}


.post-footer {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
}

/* footer */

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2.5rem 0;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
}

.theme-toggle {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--color-muted);
  line-height: 1;
}

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

/* footer links */

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 0.4rem;
}

.cntct { display: none; }


.sep {
  color: var(--color-border);
  user-select: none;
}

/* responsive */

@media (max-width: 600px) {
  html { font-size: 16px; }
  body { padding: 0 0.75rem; }
  .post-header .post-title { font-size: 1.4rem; }
}