/* andrewgarrison.com: one dark theme, one reading column. */

:root {
  color-scheme: dark;
  --bg: #0f1114;
  --surface: #171a1f;
  --border: #262b33;
  --text: #d9dde3;
  --text-strong: #f3f5f7;
  --muted: #8b93a0;
  --accent: #8cb8ff;
  --accent-hover: #b5d1ff;
  --code-bg: #1b1f25;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, monospace;
  --measure: 42rem;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 1.0625rem/1.7 var(--font);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent-hover);
  text-decoration-color: currentColor;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header and footer */

.site-header {
  padding: 2.5rem 0 1rem;
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
}

.site-name {
  color: var(--text-strong);
  font-weight: 650;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-name:hover {
  color: var(--text-strong);
}

.site-nav {
  display: flex;
  gap: 1.25rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text-strong);
}

main {
  padding: 1.5rem 0 4rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 3rem;
  color: var(--muted);
  font-size: 0.875rem;
}

.site-footer p {
  margin: 0;
}

/* Headings and text */

h1,
h2,
h3 {
  color: var(--text-strong);
  line-height: 1.25;
  letter-spacing: -0.015em;
}

h1 {
  font-size: 2rem;
  margin: 0 0 0.5rem;
}

h2 {
  font-size: 1.375rem;
  margin: 2.25rem 0 0.75rem;
}

h3 {
  font-size: 1.125rem;
  margin: 2rem 0 0.5rem;
}

p,
ul,
ol,
blockquote,
pre,
table,
figure {
  margin: 0 0 1.25rem;
}

strong {
  color: var(--text-strong);
  font-weight: 650;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

.muted,
.meta {
  color: var(--muted);
}

.meta {
  font-size: 0.9rem;
  margin: 0 0 2rem;
}

.meta a {
  color: var(--muted);
}

.meta a:hover {
  color: var(--text-strong);
}

/* Home intro */

.intro {
  margin: 1rem 0 3rem;
}

.intro h1 {
  font-size: 2.25rem;
}

.intro p {
  color: var(--muted);
  font-size: 1.125rem;
  margin: 0;
}

.section-title {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 1.25rem;
}

/* Post lists */

.post-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.post-list li {
  display: flex;
  gap: 1.25rem;
  align-items: baseline;
  padding: 0.4rem 0;
}

.post-list time {
  flex: 0 0 4.25rem;
  color: var(--muted);
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
}

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

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

.year {
  font-size: 1rem;
  color: var(--muted);
  font-weight: 600;
  margin: 2rem 0 0.5rem;
}

.year:first-of-type {
  margin-top: 0;
}

.recent {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
}

.recent li {
  padding: 1.25rem 0;
  border-top: 1px solid var(--border);
}

.recent li:first-child {
  border-top: 0;
  padding-top: 0;
}

.recent h2 {
  font-size: 1.2rem;
  margin: 0 0 0.25rem;
}

.recent h2 a {
  color: var(--text-strong);
  text-decoration: none;
}

.recent h2 a:hover {
  color: var(--accent-hover);
}

.recent time {
  display: block;
  color: var(--muted);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.recent p {
  margin: 0;
}

.more {
  font-size: 0.95rem;
}

/* Post body */

.post-content {
  overflow-wrap: break-word;
}

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  vertical-align: middle;
}

.post-content .aligncenter {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.post-content .alignright {
  float: right;
  margin: 0.25rem 0 1rem 1.5rem;
  max-width: 45%;
}

.post-content .alignleft {
  float: left;
  margin: 0.25rem 1.5rem 1rem 0;
  max-width: 45%;
}

.post-content::after {
  content: "";
  display: table;
  clear: both;
}

.post-content blockquote {
  border-left: 3px solid var(--border);
  padding: 0.25rem 0 0.25rem 1.25rem;
  margin-left: 0;
  color: var(--muted);
}

.post-content pre,
.post-content code {
  font-family: var(--mono);
  font-size: 0.875rem;
}

.post-content pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  line-height: 1.55;
}

.post-content :not(pre) > code {
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.post-content table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.95rem;
  display: block;
  overflow-x: auto;
}

.post-content th,
.post-content td {
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.post-content th {
  color: var(--text-strong);
  font-weight: 600;
}

.post-content .tags {
  color: var(--muted);
  font-size: 0.875rem;
  margin-top: 2rem;
}

.embed {
  position: relative;
  aspect-ratio: 16 / 9;
  margin: 0 0 1.25rem;
  background: var(--surface);
  border-radius: 6px;
  overflow: hidden;
}

.embed iframe,
.embed video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

figcaption,
.note {
  color: var(--muted);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

.note {
  border-left: 3px solid var(--border);
  padding-left: 1rem;
}

/* Previous and next */

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding-top: 1.5rem;
  font-size: 0.95rem;
}

.post-nav a {
  text-decoration: none;
  max-width: 48%;
}

.post-nav span {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
}

.post-nav .next {
  text-align: right;
  margin-left: auto;
}

/* About */

.portrait {
  width: 10rem;
  height: auto;
  border-radius: 50%;
  margin: 0.5rem 0 1.5rem;
}

.project-image {
  width: 100%;
  height: auto;
  border-radius: 6px;
  margin: 0 0 1.5rem;
}

@media (max-width: 34rem) {
  body {
    font-size: 1rem;
  }

  h1,
  .intro h1 {
    font-size: 1.65rem;
  }

  .post-content .alignright,
  .post-content .alignleft {
    float: none;
    display: block;
    margin: 0 auto 1.25rem;
    max-width: 100%;
  }

  .post-list li {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0;
  }

  .post-list time {
    flex: none;
  }
}