:root {
  --color-bg: #fdfcfa;
  --color-text: #2b2b2b;
  --color-muted: #767671;
  --color-border: #e6e3dd;
  --color-accent: #3d6b6b;
  --color-accent-hover: #2b4d4d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 18px;
  line-height: 1.6;
}

header, main, footer {
  max-width: 750px;
  margin: 0 auto;
  padding: 0 1.25em;
}

header {
  display: flex;
  align-items: baseline;
  gap: 1em;
  padding-top: 1.5em;
  padding-bottom: 1em;
  margin-bottom: 1em;
  border-bottom: 1px solid var(--color-border);
}

header a {
  text-decoration: none;
  color: var(--color-text);
}

header a:first-child {
  font-weight: 600;
  font-size: 1.1em;
}

header a:not(:first-child) {
  color: var(--color-muted);
  font-size: 0.9em;
}

header a:hover {
  color: var(--color-accent);
}

main {
  padding-top: 0.5em;
  padding-bottom: 3em;
}

a {
  color: var(--color-accent);
}

a:hover,
a:focus {
  color: var(--color-accent-hover);
}

h1, h2, h3 {
  line-height: 1.25;
  margin: 1em 0 0.5em;
}

h1 {
  font-size: 1.75em;
}

h2 {
  font-size: 1.35em;
}

p, li {
  font-family: inherit;
}

article time {
  color: var(--color-muted);
  font-size: 0.9em;
}

blockquote {
  margin: 1em 0;
  padding-left: 1em;
  border-left: 3px solid var(--color-border);
  color: var(--color-muted);
}

ul {
  padding-left: 0;
  list-style: none;
}

.post-list li {
  padding: 0.6em 0;
  border-bottom: 1px solid var(--color-border);
}

.post-list li:first-child {
  padding-top: 0;
}

.post-list li a {
  font-weight: 500;
}

.post-list li small {
  display: block;
  color: var(--color-muted);
  font-size: 0.85em;
  margin-top: 0.2em;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em;
  margin: 0.5em 0 1em;
}

.tags li {
  background: var(--color-border);
  color: var(--color-muted);
  font-size: 0.8em;
  padding: 0.2em 0.7em;
  border-radius: 999px;
}

.tags li a {
  color: inherit;
  text-decoration: none;
}

.tags li a:hover,
.tags li a:focus {
  color: var(--color-accent);
}

.tag-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 0.6em 0;
  border-bottom: 1px solid var(--color-border);
}

.tag-list li:first-child {
  padding-top: 0;
}

.tag-list li a {
  font-weight: 500;
}

.tag-count {
  color: var(--color-muted);
  font-size: 0.85em;
}

img {
  display: block;
  margin: 1.5em auto;
  max-width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 6px;
}

footer {
  margin-top: 2em;
  padding-top: 1em;
  padding-bottom: 2em;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-muted);
  font-size: 0.85em;
}

footer p {
  margin: 0.3em 0;
}

.comments {
  margin-top: 2.5em;
  padding-top: 1.5em;
  border-top: 1px solid var(--color-border);
}

.comment-list li {
  padding: 1.2em 0;
  border-bottom: 1px solid var(--color-border);
}

.comment-list li:first-child {
  padding-top: 0;
}

.comment-list li:last-child {
  border-bottom: none;
}

.comment-list img {
  max-width: 480px;
}

.comment-list details {
  margin: 0.5em 0;
  font-size: 0.95em;
}

.comment-list summary {
  cursor: pointer;
  color: var(--color-accent);
}

.comment-list summary:hover,
.comment-list summary:focus {
  color: var(--color-accent-hover);
}

.comment-meta {
  color: var(--color-muted);
  font-size: 0.85em;
  margin: 0.3em 0 0;
}