/* =================================================================
   Vito Lin — Flexoki edition
   Colors: Flexoki by Steph Ango (MIT), stephango.com/flexoki
   Layout language follows stephango.com: one narrow column, hairline
   dividers, flat lists, system type, no hero. The content is the
   design.
   ================================================================= */
:root {
  color-scheme: light dark;

  /* Flexoki light */
  --bg:   #FFFCF0;  /* paper */
  --bg-2: #F2F0E5;  /* base-50 */
  --ui:   #E6E4D9;  /* base-100  borders */
  --ui-2: #DAD8CE;  /* base-150  hovered borders */
  --ui-3: #CECDC3;  /* base-200  active borders */
  --tx:   #100F0F;  /* black */
  --tx-2: #6F6E69;  /* base-600  muted */
  --tx-3: #B7B5AC;  /* base-300  faint */
  --link: #24837B;  /* cyan-600 */
  --link-2: #3AA99F;/* cyan-400  hover */

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --measure: 40rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:   #100F0F;  /* black */
    --bg-2: #1C1B1A;  /* base-950 */
    --ui:   #282726;  /* base-900 */
    --ui-2: #343331;  /* base-850 */
    --ui-3: #403E3C;  /* base-800 */
    --tx:   #CECDC3;  /* base-200 */
    --tx-2: #878580;  /* base-500 */
    --tx-3: #575653;  /* base-700 */
    --link: #3AA99F;  /* cyan-400 */
    --link-2: #24837B;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--tx);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- links: the one colour on the page ---------- */
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-2); text-decoration: underline; text-underline-offset: .15em; }

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

.skip {
  position: absolute; left: -9999px;
  background: var(--tx); color: var(--bg);
  padding: .5rem .9rem; font-size: .85rem; z-index: 9;
}
.skip:focus { left: .5rem; top: .5rem; }

/* ---------- header ---------- */
.masthead {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem 1.5rem; flex-wrap: wrap;
  padding: 2.25rem 0 2.75rem;
}
.masthead .name { font-weight: 600; color: var(--tx); }
.masthead .name:hover { color: var(--link); text-decoration: none; }
.masthead nav { display: flex; gap: 1.1rem; }
.masthead nav a { color: var(--tx-2); }
.masthead nav a:hover { color: var(--link); }
.masthead nav a[aria-current="page"] { color: var(--tx); }

/* ---------- section chrome ---------- */
hr.divider {
  border: 0;
  border-top: 1px solid var(--ui);
  margin: 2.5rem 0;
}
.kicker {
  margin: 0 0 1rem;
  font-size: 1.0625rem;
  font-weight: 600;
}
.kicker a { color: var(--tx); }
.kicker a:hover { color: var(--link); text-decoration: none; }

/* ---------- latest ---------- */
.latest { display: block; color: inherit; }
.latest:hover { text-decoration: none; }
.latest h2 {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--tx);
}
.latest:hover h2 { color: var(--link); }
.latest .meta { margin: .4rem 0 0; color: var(--tx-2); font-size: .92rem; }
.latest p.excerpt { margin: .75rem 0 0; color: var(--tx); }
.latest .go { display: inline-block; margin-top: .75rem; color: var(--link); }
.latest:hover .go { text-decoration: underline; text-underline-offset: .15em; }

/* ---------- writing list: YYYY · MM  Title ---------- */
.post-list { list-style: none; margin: 0; padding: 0; }
.post-list li { margin: 0; }
.post-list a {
  display: flex; gap: 1rem; align-items: baseline;
  padding: .22rem 0;
  color: var(--tx);
}
.post-list a:hover { color: var(--link); text-decoration: none; }
.post-list .when {
  flex: none;
  width: 4.6rem;
  color: var(--tx-3);
  font-variant-numeric: tabular-nums;
  font-size: .95rem;
}
.post-list a:hover .when { color: var(--link-2); }

/* ---------- simple rows: repos, upstream ---------- */
.plain-list { list-style: none; margin: 0; padding: 0; }
.plain-list li { padding: .22rem 0; color: var(--tx-2); }
.plain-list .lead { color: var(--link); }
.plain-list li:hover .lead { text-decoration: underline; text-underline-offset: .15em; }
.plain-list .sep { color: var(--tx-3); margin: 0 .35rem; }

/* ---------- article ---------- */
.article { padding-top: .5rem; }
.article h1 {
  margin: 0;
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.015em;
  text-wrap: balance;
}
.article .meta { margin: .6rem 0 0; color: var(--tx-2); font-size: .92rem; }
.article .meta a { color: var(--tx-2); text-decoration: underline; text-underline-offset: .15em; text-decoration-color: var(--ui-3); }
.article .meta a:hover { color: var(--link); text-decoration-color: currentColor; }

.prose { margin-top: 1.75rem; }
.prose > * + * { margin-top: 1.15rem; }
.prose p { margin: 0; text-wrap: pretty; }
.prose h2 { margin: 2.25rem 0 0; font-size: 1.3rem; font-weight: 700; line-height: 1.35; letter-spacing: -.01em; }
.prose h3 { margin: 1.9rem 0 0; font-size: 1.08rem; font-weight: 600; }
.prose ul, .prose ol { margin: 0; padding-left: 1.4rem; }
.prose li + li { margin-top: .35rem; }
.prose li::marker { color: var(--tx-3); }
.prose strong { font-weight: 700; }
.prose blockquote {
  margin: 0; padding-left: 1rem;
  border-left: 3px solid var(--ui-3);
  color: var(--tx-2);
}
.prose hr { border: 0; border-top: 1px solid var(--ui); margin: 2rem 0; }
.prose img { max-width: 100%; height: auto; display: block; border-radius: 4px; }
.prose code {
  font-family: var(--mono);
  font-size: .86em;
  background: var(--bg-2);
  border: 1px solid var(--ui);
  border-radius: 4px;
  padding: .1em .3em;
}
.prose pre {
  margin: 1.4rem 0;
  padding: .9rem 1.05rem;
  overflow-x: auto;
  background: var(--bg-2);
  border: 1px solid var(--ui);
  border-radius: 6px;
  line-height: 1.55;
}
.prose pre code { background: none; border: 0; padding: 0; font-size: .85rem; }

.backlink { margin-top: 2.75rem; }

/* ---------- about / misc ---------- */
.page-title { margin: .5rem 0 1.5rem; font-size: 1.85rem; font-weight: 700; letter-spacing: -.015em; }

.empty { color: var(--tx-2); }
.empty code { font-family: var(--mono); font-size: .86em; background: var(--bg-2); border: 1px solid var(--ui); border-radius: 4px; padding: .1em .3em; }

/* ---------- footer ---------- */
.footer {
  margin-top: 3rem;
  border-top: 1px solid var(--ui);
  padding: 1.75rem 0 3rem;
  color: var(--tx-2);
  font-size: .92rem;
}
.footer p { margin: 0 0 .35rem; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}