/* teragron.com - dark technical. Light palette is the base; dark overrides. */

:root {
  --bg:    #fbfbfa;
  --fg:    #16181c;
  --dim:   #6b6e73;
  --line:  #e3e4e7;
  --card:  #ffffff;
  --acc:   #127a4d;
  --mono:  ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans:  -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  --wide:  64rem;
  --read:  44rem;
}

:root:not([data-theme="light"]) {
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:   #0b0c0e;
    --fg:   #e8e6e3;
    --dim:  #8b8d91;
    --line: #1e2126;
    --card: #101215;
    --acc:  #7dd3a0;
  }
}

:root[data-theme="dark"] {
  --bg:   #0b0c0e;
  --fg:   #e8e6e3;
  --dim:  #8b8d91;
  --line: #1e2126;
  --card: #101215;
  --acc:  #7dd3a0;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--acc); }

/* ---------------------------------------------------------------- chrome */

.bar {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 1.6rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--mono);
  font-size: .8rem;
}

.brand {
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 600;
}

.bar nav { display: flex; gap: 1.4rem; }
.bar nav a { color: var(--dim); }
.bar nav a.on, .bar nav a:hover { color: var(--fg); }

footer.bar {
  border-top: 1px solid var(--line);
  margin-top: 5rem;
  color: var(--dim);
  flex-wrap: wrap;
}
footer.bar a { color: var(--dim); }
footer.bar a:hover { color: var(--acc); }

main {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ------------------------------------------------------------------ hero */

.hero { padding: 3.5rem 0 1rem; max-width: var(--read); }
.hero.narrow h1 { font-size: 1.9rem; }

.hero h1 {
  font-size: clamp(1.6rem, 3.6vw, 2.35rem);
  line-height: 1.25;
  letter-spacing: -.02em;
  margin: 0 0 1.1rem;
  font-weight: 600;
}

.hero p { color: var(--dim); margin: 0 0 1rem; }

.hero .links {
  font-family: var(--mono);
  font-size: .82rem;
  margin-top: 1.6rem;
}
.hero .links a { border-bottom: 1px solid var(--line); padding-bottom: 2px; }
.hero .links a:hover { border-color: var(--acc); }

/* ------------------------------------------------------------------ rule */

.rule {
  display: flex;
  align-items: center;
  gap: .9rem;
  margin: 3.2rem 0 1.4rem;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--dim);
}
.rule::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

/* ----------------------------------------------------------------- cards */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.card {
  background: var(--card);
  padding: 1.4rem 1.3rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.pt {
  font-family: var(--mono);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: -.01em;
  display: flex;
  align-items: baseline;
  gap: .4rem;
}
a.pt:hover { color: var(--acc); }
.ext { font-size: .75rem; color: var(--dim); }
a.pt:hover .ext { color: var(--acc); }

.card p { margin: 0; color: var(--dim); font-size: .88rem; line-height: 1.6; }

.tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin: .4rem 0 0;
  padding: 0;
}
.tags li {
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--dim);
  border: 1px solid var(--line);
  padding: .15rem .45rem;
  border-radius: 2px;
}

/* ------------------------------------------------------------------ rows */

.rows { border-top: 1px solid var(--line); }

.row {
  display: grid;
  grid-template-columns: 6.5rem 1fr auto;
  gap: 1rem;
  align-items: baseline;
  padding: .95rem .25rem;
  border-bottom: 1px solid var(--line);
}
.row:hover { background: var(--card); }
.row .yr, .row .mn {
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--dim);
}
.row .ti { font-size: .95rem; }
.row:hover .ti { color: var(--acc); }

.more {
  font-family: var(--mono);
  font-size: .8rem;
  margin-top: 1.2rem;
}
.more a { color: var(--dim); }
.more a:hover { color: var(--acc); }

/* ------------------------------------------------------------------ post */

.post { max-width: var(--read); padding-top: 3rem; }

.post .meta {
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--dim);
  margin: 0 0 .9rem;
  letter-spacing: .04em;
}

.post h1 {
  font-size: clamp(1.55rem, 3.4vw, 2.1rem);
  line-height: 1.25;
  letter-spacing: -.02em;
  margin: 0 0 2rem;
  font-weight: 600;
}

.post h2 { font-size: 1.25rem; margin: 2.4rem 0 .8rem; letter-spacing: -.01em; }
.post h3 { font-size: 1.05rem; margin: 2rem 0 .6rem; }
.post p  { margin: 0 0 1.3rem; }
.post ul, .post ol { margin: 0 0 1.3rem; padding-left: 1.3rem; }
.post li { margin: .35rem 0; }

.post img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 0 2rem;
  border: 1px solid var(--line);
}

.post a { color: var(--acc); border-bottom: 1px solid var(--line); }
.post a:hover { border-color: var(--acc); }

.post blockquote {
  margin: 0 0 1.3rem;
  padding-left: 1.1rem;
  border-left: 2px solid var(--line);
  color: var(--dim);
}

.post pre {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 1rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: .82rem;
  margin: 0 0 1.4rem;
}
.post code { font-family: var(--mono); font-size: .88em; }
.post pre code { font-size: inherit; }

.pager {
  max-width: var(--read);
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 3.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .78rem;
}
.pager a { color: var(--dim); max-width: 48%; }
.pager a:hover { color: var(--acc); }
.pager a.r { text-align: right; margin-left: auto; }

/* -------------------------------------------------------------------- cv */

.cv { border-top: 1px solid var(--line); max-width: var(--read); }

.cvrow {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: .95rem .25rem;
  border-bottom: 1px solid var(--line);
}
.cvwhat { display: flex; flex-direction: column; gap: .2rem; }
.cvwhat strong { font-weight: 600; font-size: .95rem; }
.cvwhat span { color: var(--dim); font-size: .86rem; }
.cvwhen {
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--dim);
  white-space: nowrap;
}

.bul {
  max-width: var(--read);
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.bul li {
  padding: .8rem .25rem;
  border-bottom: 1px solid var(--line);
  color: var(--dim);
  font-size: .9rem;
}

/* ---------------------------------------------------------------- mobile */

@media (max-width: 34rem) {
  .bar { padding: 1.2rem 1.1rem; flex-direction: column; align-items: flex-start; gap: .8rem; }
  main { padding: 0 1.1rem; }
  .hero { padding-top: 2.2rem; }
  .row { grid-template-columns: 1fr auto; }
  .row .yr { grid-column: 1 / -1; }
  .cvrow { flex-direction: column; gap: .4rem; }
}