:root {
  color-scheme: dark;
  /* Same stack as Tailwind font-mono on vincentritter.com */
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --color-canvas: #171717;
  --color-ink: #f5f5f5;
  --color-ink-muted: #a3a3a3;
  --color-ink-faint: #737373;
  --color-border: color-mix(in srgb, var(--color-ink) 12%, transparent);
  --color-accent: #e8453c;
  --content-width: 42rem;
  --space-page: 1rem;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --color-canvas: #fafafa;
    --color-ink: #171717;
    --color-ink-muted: #525252;
    --color-ink-faint: #737373;
    --color-border: color-mix(in srgb, var(--color-ink) 10%, transparent);
  }
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  font: 15px/1.7 var(--font-mono);
  background: var(--color-canvas);
  color: var(--color-ink);
}

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-ink) 28%, transparent);
  text-underline-offset: 0.18em;
  transition: opacity 0.15s ease, color 0.15s ease;
}

a:hover { opacity: 0.72; }

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

img, video { max-width: 100%; height: auto; }

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  background: var(--color-ink);
  color: var(--color-canvas);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 0.15s ease;
}

.skip-link:focus {
  transform: translateY(0);
  opacity: 1;
  outline: 2px solid var(--color-ink);
  outline-offset: 2px;
}

.site-shell {
  width: min(var(--content-width), calc(100vw - var(--space-page) * 2));
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
}

/* Header */

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.site-title {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 1.125rem;
  font-weight: 500;
  text-decoration: none;
  color: inherit;
}

.site-title:hover { opacity: 0.72; }

.site-image {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 0.75rem;
  object-fit: cover;
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.75rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--color-ink-muted);
}

.site-nav a:hover {
  color: var(--color-ink);
  opacity: 1;
}

.site-nav-icon {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.rss-icon {
  width: 0.875rem;
  height: 0.875rem;
}

/* Intro */

.intro,
.blog-intro {
  color: var(--color-ink-muted);
  margin-bottom: 2.5rem;
  font-size: 0.9375rem;
  line-height: 1.7;
}

.intro p,
.blog-intro p { margin: 0 0 0.75rem; }

.intro p:last-child,
.blog-intro p:last-child { margin-bottom: 0; }

/* Post list */

.post-list { display: grid; }

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

.post-card:first-child {
  border-top: 0;
  padding-top: 0;
}

.post-card-link {
  display: grid;
  gap: 0.35rem;
  text-decoration: none;
  color: inherit;
}

.post-card--with-preview .post-card-link {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.post-card-content {
  display: grid;
  gap: 0.3rem;
  flex: 1;
  min-width: 0;
}

.post-card-preview {
  flex-shrink: 0;
  width: 5.5rem;
}

.post-card-preview-image {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
}

.post-card-link:hover { opacity: 0.72; }

.post-card-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.4;
}

.post-meta {
  margin: 0;
  font-size: 0.75rem;
  color: var(--color-ink-faint);
}

.post-card-summary {
  margin: 0.15rem 0 0;
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
  line-height: 1.6;
}

/* Single post */

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

.post-header h1 {
  margin: 0.4rem 0 0;
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.post-date {
  margin: 0;
  font-size: 0.75rem;
  color: var(--color-ink-faint);
}

/* Prose */

.prose {
  font-size: 0.9375rem;
  line-height: 1.75;
}

.prose > :first-child { margin-top: 0; }
.prose > :last-child { margin-bottom: 0; }

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

.prose h2,
.prose h3,
.prose h4 {
  margin: 2rem 0 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
}

.prose h2 { font-size: 1.0625rem; }

.prose ul,
.prose ol {
  padding-left: 1.25rem;
}

.prose li { margin: 0.35rem 0; }

.prose blockquote {
  padding-left: 1rem;
  border-left: 2px solid var(--color-border);
  color: var(--color-ink-muted);
}

.prose pre,
.prose code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.prose pre {
  overflow-x: auto;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 0.25rem;
  background: color-mix(in srgb, var(--color-ink) 4%, transparent);
}

.prose :not(pre) > code {
  padding: 0.1em 0.35em;
  border-radius: 0.2rem;
  background: color-mix(in srgb, var(--color-ink) 6%, transparent);
}

.prose img,
.prose video {
  border-radius: 0.375rem;
}

.prose figure { margin: 1.75rem 0; }

.prose figcaption {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-ink-faint);
}

.prose hr {
  margin: 2rem 0;
  border: 0;
  border-top: 1px solid var(--color-border);
}

/* Category badge */

.category-badge {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.6875rem;
  color: var(--color-ink-muted);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.category-badge::before { content: "· "; }

.category-badge:hover {
  color: var(--color-ink);
  opacity: 1;
}

/* Archive search */

.search-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin: 1.5rem 0 2rem;
  font-size: 0.75rem;
}

.search-form label { color: var(--color-ink-muted); }

.search-form input {
  flex: 1 1 12rem;
  font: inherit;
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--color-border);
  border-radius: 0.25rem;
  background: transparent;
  color: inherit;
}

.search-form button,
.search-form a {
  font: inherit;
  font-size: inherit;
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--color-border);
  border-radius: 0.25rem;
  background: transparent;
  color: inherit;
  cursor: pointer;
  text-decoration: none;
}

.search-form button:hover,
.search-form a:hover {
  opacity: 0.8;
}

/* Pagination */

.pagination {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  align-items: center;
  margin: 2.5rem 0 0;
  font-size: 0.75rem;
  color: var(--color-ink-muted);
}

.pagination a,
.pagination strong {
  padding: 0;
  border: 0;
  border-radius: 0;
  text-decoration: none;
  color: inherit;
  background: none;
}

.pagination a:hover {
  color: var(--color-ink);
  opacity: 1;
}

.pagination strong {
  color: var(--color-ink);
  font-weight: 500;
}

/* Page headings */

.page-title {
  margin: 0 0 1.5rem;
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* Footer */

.site-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-ink-faint);
}

.site-footer p { margin: 0 0 0.75rem; }

.site-footer-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-footer-nav {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.site-footer a {
  color: var(--color-ink-muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--color-ink);
  opacity: 1;
}

.site-footer-rss {
  margin-left: auto;
  white-space: nowrap;
}

/* Passcode */

.passcode-form {
  display: grid;
  gap: 0.75rem;
  max-width: 20rem;
  font-size: 0.875rem;
}

.passcode-form input {
  font: inherit;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--color-border);
  border-radius: 0.25rem;
  background: transparent;
  color: inherit;
}

.passcode-form button {
  font: inherit;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 0.25rem;
  background: transparent;
  color: inherit;
  cursor: pointer;
  width: fit-content;
}

/* Not found */

.not-found { color: var(--color-ink-muted); }