/* Layout: photo-and-links card on the left, everything else in one reading column on the right.
   Stacks into a single column on phones. */
:root {
  --bg: #FFFFFF;
  --fg: #1C1F24;
  --muted: #5D6470;
  --line: #E4E7EC;
  --accent: #2A52BE;
  --photo: #EEF0F4;
  --code-bg: #F5F6F8;
  --c-comment: #6A737D;
  --c-keyword: #A1288A;
  --c-string: #1A7F37;
  --c-number: #B35900;
  --c-func: #2A52BE;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171B;
    --fg: #E8EAED;
    --muted: #A0A6B1;
    --line: #2A2E35;
    --accent: #8FA8FF;
    --photo: #23262D;
    --code-bg: #1D2026;
    --c-comment: #8B949E;
    --c-keyword: #E38BD2;
    --c-string: #7EE2A0;
    --c-number: #F2B36B;
    --c-func: #8FA8FF;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  padding: 0 16px;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 var(--sans);
}
a { color: var(--accent); text-underline-offset: 0.15em; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
ul { margin: 0; padding: 0; list-style: none; }
.muted { color: var(--muted); }

/* Home */
.home {
  max-width: 1000px;
  margin: 0 auto;
  padding-block: 64px 48px;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}
.card { position: sticky; top: 48px; display: grid; gap: 20px; }
.photo {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  max-width: 100%;
  border-radius: 12px;
  background: var(--photo);
  object-fit: cover;
}
.card h1 { margin: 0; font-size: 1.75rem; line-height: 1.15; letter-spacing: -0.01em; }
.role { margin: 4px 0 16px; color: var(--muted); }
.links { display: grid; gap: 6px; font-size: 0.9375rem; }
.links a { overflow-wrap: anywhere; }

main { display: grid; gap: 48px; max-width: 640px; }
.intro p { margin: 0 0 1em; font-size: 1.1875rem; line-height: 1.55; }
.intro p:last-child { margin-bottom: 0; }
h2 { margin: 0 0 16px; font-size: 1.125rem; }

.work { display: grid; gap: 14px; }
.work .stack { display: block; color: var(--muted); font-size: 0.9375rem; }

.year { margin: 20px 0 8px; font-size: 0.9375rem; color: var(--muted); font-weight: 600; }
.year:first-of-type { margin-top: 0; }
.posts { display: grid; gap: 6px; }
.posts li { display: grid; grid-template-columns: 4.5rem 1fr; gap: 12px; }
.posts time { color: var(--muted); font-variant-numeric: tabular-nums; }

.history { margin: 0; display: grid; gap: 4px; }
.history dt { font-weight: 600; margin-top: 12px; }
.history dt:first-child { margin-top: 0; }
.history dt span { font-weight: 400; color: var(--muted); }
.history dd { margin: 0; color: var(--muted); }

.plain { display: grid; gap: 8px; }
.site-foot { color: var(--muted); font-size: 0.875rem; }

@media (max-width: 760px) {
  .home { grid-template-columns: 1fr; gap: 40px; padding-block: 32px; }
  .card { position: static; grid-template-columns: 96px minmax(0, 1fr); align-items: start; gap: 16px; }
  .photo { border-radius: 10px; }
  .card h1 { font-size: 1.5rem; }
  .role { margin-bottom: 10px; }
  .links { grid-auto-flow: row; }
  main { gap: 40px; }
}

/* Posts */
.post-page { max-width: 680px; margin: 0 auto; padding-block: 40px 64px; }
.crumb { margin-bottom: 40px; font-weight: 600; }
.crumb a { color: var(--fg); text-decoration: none; }
.crumb a:hover { color: var(--accent); }
.post-head h1 { margin: 0; font-size: 2rem; line-height: 1.2; letter-spacing: -0.01em; text-wrap: balance; }
.post-date { margin: 8px 0 32px; color: var(--muted); }
.post-body > * { margin: 0 0 1.1em; }
.post-body h2 { margin-top: 1.8em; font-size: 1.375rem; }
.post-body ul, .post-body ol { padding-left: 1.4em; list-style: revert; }
.post-body img { max-width: 100%; height: auto; }
.post-body blockquote { margin-left: 0; padding-left: 1em; border-left: 3px solid var(--line); color: var(--muted); }
.post-foot { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); }

/* Math */
.katex-display { overflow-x: auto; overflow-y: hidden; padding: 4px 0; }

/* Code: Rouge (and Pygments) token classes */
code { font-family: var(--mono); font-size: 0.875em; }
:not(pre) > code { background: var(--code-bg); padding: 0.1em 0.35em; border-radius: 4px; }
.highlight { background: var(--code-bg); border-radius: 8px; }
.highlight pre { margin: 0; padding: 14px 16px; overflow-x: auto; line-height: 1.5; }
.highlight pre code { font-size: 0.875rem; }
.highlight .c, .highlight .c1, .highlight .cm, .highlight .cs { color: var(--c-comment); font-style: italic; }
.highlight .k, .highlight .kn, .highlight .kd, .highlight .kc, .highlight .kr, .highlight .ow { color: var(--c-keyword); }
.highlight .s, .highlight .s1, .highlight .s2, .highlight .sd, .highlight .si, .highlight .sa { color: var(--c-string); }
.highlight .m, .highlight .mi, .highlight .mf, .highlight .mh { color: var(--c-number); }
.highlight .nf, .highlight .fm, .highlight .nb, .highlight .bp { color: var(--c-func); }