/* Shared by every page of the site. Colour, type and shape come from design/tokens. */

:root {
  --gutter: clamp(1.25rem, 4.2vw, 3.5rem);
  --measure: 66ch;
}

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

html {
  color-scheme: dark;
  scrollbar-color: var(--muted) var(--bg);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-reading);
  font-size: var(--type-body-size);
  line-height: var(--type-body-leading);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  font-weight: var(--type-body-weight);
}

::selection { background: var(--cloak); color: var(--fg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
a { color: inherit; text-decoration: none; }

.wrap {
  width: min(56rem, 100%);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* Site header on inner pages: the logo carries the strike, so it is the page's brand moment. */
.site-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-block: 1.5rem;
}

.site-logo { display: block; line-height: 0; }
.site-logo img { width: 10.5rem; height: auto; }

.site-nav {
  display: flex;
  gap: 1.5rem;
  font-size: var(--type-label-size);
  font-weight: var(--type-label-weight);
  letter-spacing: var(--type-label-tracking);
  line-height: var(--type-label-leading);
}

.site-nav a { color: var(--muted); padding-block: 0.25rem; }
.site-nav a:hover { color: var(--fg); }
.site-nav a[aria-current] { color: var(--fg); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 0.35em; }

.site-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  padding-block: 4rem 3rem;
  color: var(--faint);
  font-size: var(--type-small-size);
  font-weight: var(--type-small-weight);
  line-height: var(--type-small-leading);
}

.site-foot nav { display: flex; gap: 1.25rem; }
.site-foot a:hover { color: var(--fg); }

/* Shared pieces. */
.chip {
  display: inline-block;
  padding: 0.15rem 0.65rem;
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--fg) 7%, transparent);
  color: var(--muted);
  font-size: var(--type-control-size);
  font-weight: var(--type-control-weight);
  line-height: var(--type-control-leading);
  white-space: nowrap;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.15rem 0.6rem 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  background: color-mix(in srgb, currentColor 13%, transparent);
  font-size: var(--type-control-size);
  font-weight: 700;
  line-height: var(--type-control-leading);
  white-space: nowrap;
}

.status::before { content: ""; width: 0.45em; height: 0.45em; border-radius: 50%; background: currentColor; }
.s-warn { color: var(--warn); }

/* Blog index. */
.blog-head { display: grid; gap: 0.5rem; padding-block: 3rem 2rem; }

.blog-head h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: var(--type-display-weight);
  font-size: var(--type-display-size);
  line-height: var(--type-display-leading);
}

.blog-head p { margin: 0; color: var(--muted); max-width: var(--measure); }

.posts { display: grid; gap: 0.25rem; margin: 0 calc(var(--gutter) * -0.4); padding: 0; list-style: none; }

.post-row {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr) auto;
  gap: 0.25rem 1.25rem;
  align-items: baseline;
  padding: 1rem calc(var(--gutter) * 0.4);
  border-radius: var(--radius-lg);
}

.post-row:hover { background: var(--hover); }

.post-date {
  color: var(--faint);
  font-size: var(--type-small-size);
  font-variant-numeric: tabular-nums;
  font-weight: var(--type-small-weight);
  line-height: var(--type-small-leading);
}
.post-main { display: grid; gap: 0.3rem; min-width: 0; }

.post-title {
  font-size: var(--type-title-size);
  font-weight: var(--type-title-weight);
  line-height: var(--type-title-leading);
}

.post-excerpt { color: var(--muted); }
.post-tags { display: flex; gap: 0.4rem; }

/* A post. */
.post { max-width: var(--measure); padding-block: 2.5rem 1rem; }

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.6rem;
  margin: 0 0 1rem;
  color: var(--faint);
  font-size: var(--type-small-size);
  font-weight: var(--type-small-weight);
  line-height: var(--type-small-leading);
}

.post-meta a { color: var(--fg); font-weight: 700; }
.post-meta a:hover { color: var(--fg); }

.post h1 {
  margin: 0 0 1.5rem;
  font-family: var(--font-display);
  font-weight: var(--type-display-weight);
  font-size: var(--type-display-size);
  line-height: var(--type-display-leading);
  text-wrap: balance;
}

.post h2 {
  margin: 2.5rem 0 0.75rem;
  font-family: var(--font-display);
  font-weight: var(--type-headline-weight);
  font-size: var(--type-headline-size);
  line-height: var(--type-headline-leading);
  text-wrap: balance;
}

.post p { margin: 0 0 1.1rem; }

.post a {
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--fg) 45%, transparent);
  text-underline-offset: 0.22em;
}

.post a:hover { text-decoration-color: var(--fg); }

.post code {
  padding: 0.1em 0.35em;
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: var(--type-code-size);
  font-weight: var(--type-code-weight);
  line-height: var(--type-code-leading);
}

/* Figures: a tone step, rounded, with a quiet caption. No borders. */
.post-figure { margin: 2rem 0; }

.post-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

.post-figure-pair .pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
  gap: 2rem;
  align-items: center;
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--panel);
}

.post-figure-pair .pair img { border-radius: 0; }

.post figcaption {
  margin-top: 0.6rem;
  color: var(--faint);
  font-size: var(--type-small-size);
  font-weight: var(--type-small-weight);
  line-height: var(--type-small-leading);
}

/* Code blocks: mono on the panel, the language as a small label. Restrained colour: properties muted, comments faint. */
.code {
  margin: 1.5rem 0 2rem;
  border-radius: var(--radius-lg);
  background: var(--panel);
}

.code figcaption {
  margin: 0;
  padding: 0.75rem 1.25rem 0;
  color: var(--faint);
  font-size: var(--type-ui-small-size);
  font-weight: 600;
  line-height: var(--type-ui-small-leading);
}

.code pre {
  margin: 0;
  padding: 0.5rem 1.25rem 1.1rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: var(--type-code-size);
  line-height: var(--type-code-leading);
}

.post .code code { padding: 0; background: none; font-size: inherit; }
.tok-p { color: var(--muted); }
.tok-c { color: var(--faint); }

.post-foot {
  padding-block: 1.5rem 0;
  color: var(--muted);
  font-size: var(--type-small-size);
  font-weight: var(--type-small-weight);
  line-height: var(--type-small-leading);
}
.post-foot a { color: var(--fg); font-weight: 700; }
.post-foot a:hover { color: var(--fg); }

@media (max-width: 640px) {
  .post-row { grid-template-columns: minmax(0, 1fr); gap: 0.4rem; }
}