/* The blog reads like the board's datasheet: paper for long-form reading,
   silkscreen chrome at the edges. */

@font-face {
  font-family: "Share Tech Mono";
  src: url("/fonts/sharetechmono.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

:root {
  --mask: #0b4534;
  --silk: #e8f3ec;
  --gold: #d9b64a;
  --paper: #fbfaf7;
  --ink: #191d1b;
  --ink-soft: #4c5551;
  --rule: #b9c2bd;
  --mono: "Share Tech Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --serifless: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #15201b;
    --ink: #e4ebe6;
    --ink-soft: #a4b3aa;
    --rule: #33463d;
  }
}

* { box-sizing: border-box; }
body.datasheet {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serifless);
  line-height: 1.65;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.ds-head {
  background: var(--mask);
  color: var(--silk);
  font-family: var(--mono);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px clamp(16px, 4vw, 40px);
  letter-spacing: 0.08em;
  font-size: 0.85rem;
}
.ds-head a { color: var(--silk); text-decoration: none; }
.ds-head a:hover { color: var(--gold); }
.ds-doc a { text-decoration: underline; text-underline-offset: 3px; }

.ds-body {
  width: 100%;
  max-width: 72ch;
  margin: 0 auto;
  padding: clamp(28px, 5vh, 56px) clamp(18px, 4vw, 32px) 48px;
  flex: 1;
}
.ds-body h1 {
  font-family: var(--mono);
  font-weight: 400;
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  letter-spacing: 0.03em;
  margin: 0 0 4px;
  border-bottom: 3px solid var(--ink);
  padding-bottom: 10px;
}
.ds-sub, .ds-meta {
  font-family: var(--mono);
  color: var(--ink-soft);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  margin: 10px 0 26px;
}
.ds-body h2, .ds-body h3 {
  font-family: var(--mono);
  font-weight: 400;
  letter-spacing: 0.03em;
  margin: 1.8em 0 0.5em;
}
.ds-body h2 { font-size: 1.35rem; border-bottom: 1px solid var(--rule); padding-bottom: 6px; }
.ds-body a { color: inherit; text-decoration-color: var(--gold); text-decoration-thickness: 2px; text-underline-offset: 3px; }
.ds-body a:hover { color: var(--gold); }
.ds-body pre {
  background: var(--mask);
  color: var(--silk);
  font-family: var(--mono);
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 0.88rem;
  line-height: 1.5;
}
.ds-body code { font-family: var(--mono); font-size: 0.92em; }
.ds-body :not(pre) > code {
  background: color-mix(in srgb, var(--rule) 35%, transparent);
  padding: 1px 5px;
}
.ds-body img { max-width: 100%; }
.ds-body blockquote {
  margin: 1.4em 0;
  padding: 10px 16px 12px;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
}
.ds-body blockquote::before {
  content: "NOTE";
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 4px;
}
.ds-body hr { border: none; border-top: 1px solid var(--rule); margin: 2em 0; }

.ds-list { list-style: none; padding: 0; margin: 0; }
.ds-list li {
  display: flex;
  gap: 18px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
}
.ds-list a {
  color: inherit;
  text-decoration: none;
  font-size: 1.1rem;
}
.ds-list a:hover { color: var(--gold); text-decoration: underline; text-decoration-thickness: 2px; }
.ds-date { font-family: var(--mono); color: var(--ink-soft); font-size: 0.82rem; white-space: nowrap; }
.ds-empty { color: var(--ink-soft); font-family: var(--mono); }

.ds-foot {
  background: var(--mask);
  color: var(--silk);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  display: flex;
  gap: 22px;
  justify-content: center;
  padding: 12px;
}
.ds-foot a { color: var(--gold); text-decoration: none; }

/* ---- admin editor ---- */
.ds-admin { max-width: 900px; }
.ds-admin .row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.ds-admin input[type="text"] {
  flex: 1;
  min-width: 200px;
  font-family: var(--mono);
  font-size: 0.95rem;
  padding: 10px 12px;
  border: 2px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
}
.ds-admin textarea {
  width: 100%;
  min-height: 46vh;
  font-family: var(--mono);
  font-size: 0.92rem;
  line-height: 1.55;
  padding: 14px;
  border: 2px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  resize: vertical;
}
.ds-admin button {
  font-family: var(--mono);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  padding: 10px 18px;
  border: 2px solid var(--ink);
  background: var(--mask);
  color: var(--silk);
  cursor: pointer;
}
.ds-admin button:hover { border-color: var(--gold); color: var(--gold); }
.ds-admin button.ghost { background: transparent; color: var(--ink); }
.ds-admin button.danger { background: transparent; color: #a33; border-color: #a33; }
.ds-admin label.check { font-family: var(--mono); font-size: 0.85rem; display: inline-flex; align-items: center; gap: 8px; }
.ds-admin .postlist { margin: 0 0 24px; }
.ds-admin .postlist button { padding: 4px 10px; font-size: 0.8rem; }
.ds-admin .status { font-family: var(--mono); font-size: 0.85rem; color: var(--ink-soft); min-height: 1.4em; }
.ds-admin .status.err { color: #a33; }
#signin-view { text-align: center; padding: 60px 0; }
#editor-view[hidden] { display: none; }