/* thoughtfork.xyz — gruvbox palette. No JS, no webfonts. Math is MathML. */

:root {
  --bg:     #fbf1c7;  /* gruvbox light0  */
  --bg-alt: #ebdbb2;  /* light1          */
  --fg:     #3c3836;  /* dark0-soft      */
  --fg-dim: #7c6f64;  /* dark4           */
  --red:    #9d0006;
  --green:  #79740e;
  --yellow: #b57614;
  --blue:   #076678;
  --purple: #8f3f71;
  --aqua:   #427b58;
  --orange: #af3a03;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:     #282828;  /* gruvbox dark0  */
    --bg-alt: #3c3836;  /* dark1          */
    --fg:     #ebdbb2;  /* light1         */
    --fg-dim: #928374;  /* gray           */
    --red:    #fb4934;
    --green:  #b8bb26;
    --yellow: #fabd2f;
    --blue:   #83a598;
    --purple: #d3869b;
    --aqua:   #8ec07c;
    --orange: #fe8019;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
  max-width: 76ch;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 ui-monospace, "JetBrains Mono", "Fira Mono", Menlo, Consolas, monospace;
}

a { color: var(--blue); text-decoration: none; border-bottom: 1px solid transparent; }
a:hover { border-bottom-color: currentColor; }

/* ---- masthead: a shell prompt ---- */
.masthead { margin-bottom: 2.5rem; }
.prompt-line { margin-bottom: .75rem; }
.prompt { color: var(--fg); border: 0; font-weight: 700; }
.prompt .u { color: var(--green); }
.prompt .h { color: var(--aqua); }
.prompt .d { color: var(--fg-dim); }
.prompt .cmd { color: var(--fg); font-weight: 400; }
.prompt:hover .cmd { border-bottom: 1px solid currentColor; }

.masthead nav { display: flex; flex-wrap: wrap; gap: 0 1.25rem; }
.masthead nav a { color: var(--fg-dim); }
.masthead nav a:hover { color: var(--fg); }

/* ---- headings ---- */
h1, h2, h3 { line-height: 1.25; margin: 2rem 0 .75rem; }
h1 { font-size: 1.5rem;  color: var(--yellow); }
h2 { font-size: 1.15rem; color: var(--orange); }
h3 { font-size: 1rem;    color: var(--fg); }
h2::before, h3::before { content: "## "; color: var(--fg-dim); }
h3::before { content: "### "; }

.intro { margin-bottom: 2rem; }
.meta  { color: var(--fg-dim); font-size: .9rem; margin-top: -.25rem; }

/* ---- post list, laid out like `ls -l` ---- */
.postlist { list-style: none; padding: 0; margin: 0; }
.postlist li {
  display: grid;
  grid-template-columns: 10ch 11ch 1fr;
  gap: 0 1ch;
  padding: .2rem 0;
  align-items: baseline;
}
.postlist time  { color: var(--fg-dim); font-size: .9rem; }
.postlist .ttl  { color: var(--fg); }
.postlist .ttl:hover { color: var(--blue); }

/* 3-letter tag codes */
/* Capitals come from the templates (| upper), not text-transform, so they
   survive in text browsers. Source and URLs stay lowercase: /tags/mag/. */
.codes a, .code {
  color: var(--purple); font-size: .9rem;
}
.codes a::before, .code::before { content: "["; color: var(--fg-dim); }
.codes a::after,  .code::after  { content: "]"; color: var(--fg-dim); }

.taglist { list-style: none; padding: 0; }
.taglist li { padding: .2rem 0; }
.taglist .n { color: var(--fg-dim); font-size: .85rem; }
/* Term page heading, e.g. /tags/mag/ */
h1 .code { font-size: inherit; }

/* ---- prose ---- */
p, ul, ol, blockquote, pre, table { margin: 0 0 1.1rem; }
article ul, article ol { padding-left: 2.5ch; }
li { margin: .2rem 0; }

blockquote {
  margin-left: 0; padding: .1rem 0 .1rem 2ch;
  border-left: 2px solid var(--fg-dim); color: var(--fg-dim);
}

hr { border: 0; border-top: 1px solid var(--bg-alt); margin: 2rem 0 1rem; }

code {
  background: var(--bg-alt); padding: .1em .35em;
  border-radius: 2px; font-size: .92em;
}
pre {
  background: var(--bg-alt); padding: .85rem 1rem;
  overflow-x: auto; border-radius: 2px;
}
pre code { background: none; padding: 0; }

table { border-collapse: collapse; width: 100%; font-size: .93rem; display: block; overflow-x: auto; }
th, td { border-bottom: 1px solid var(--bg-alt); padding: .4rem .6rem; text-align: left; }
th { color: var(--yellow); }

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

/* ---- math: MathML needs room to breathe and to scroll ---- */
math { font-size: 1.05em; }
math[display="block"] {
  display: block;
  overflow-x: auto;
  overflow-y: hidden;
  max-width: 100%;
  margin: 1.4rem 0;
  padding: .2rem 0;
}
/* KaTeX wraps output in this span; we ship no KaTeX CSS, so make it inert. */
.katex { font-family: inherit; }

/* ---- footer ---- */
footer { margin-top: 3.5rem; color: var(--fg-dim); font-size: .9rem; }
footer p { margin: .3rem 0; }
footer .fine { font-size: .82rem; }

@media (max-width: 34rem) {
  body { padding: 1.25rem 1rem 3rem; font-size: 15px; }
  .postlist li { grid-template-columns: 1fr; gap: 0; padding: .5rem 0; }
  .postlist time { display: inline-block; margin-right: 1ch; }
}