/* thinkberg.com - single shared stylesheet, no framework */
:root {
  --ink: #1c1d1f;
  --muted: #6b6f75;
  --accent: #0b5cad;
  --rule: #e5e3df;
  --paper: #faf9f7;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "DejaVu Sans Mono", monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
  max-width: 60rem;
  background: #fff;
  color: var(--ink);
  font: 1rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); text-underline-offset: 2px; text-decoration-thickness: 1px; }

h1 { margin: 0 0 .25rem; font-size: 1.7rem; line-height: 1.25; letter-spacing: -.01em; }
h2 { margin: 2.75rem 0 .75rem; font-size: 1.05rem; }

blockquote {
  margin: 1.75rem 0;
  padding: .1rem 0 .1rem 1.1rem;
  border-left: 3px solid var(--rule);
  color: var(--muted);
}
blockquote p { margin: 0; }

img { max-width: 100%; }

/* site header, shared by all pages */
.site {
  display: flex; flex-wrap: wrap; justify-content: space-between;
  align-items: baseline; gap: .5rem 1.5rem;
  margin-bottom: 2.75rem; padding-bottom: .8rem;
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono); font-size: .8125rem;
}
.site a { color: var(--ink); text-decoration: none; }
.site a:hover { color: var(--accent); text-decoration: underline; }
.site .brand { font-weight: 700; }
.site nav { color: var(--muted); }

/* front page: card + memo sidebar */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 15rem; gap: 3.5rem; }
@media (max-width: 44rem) { .layout { grid-template-columns: 1fr; } }

.handle { margin: 0 0 .75rem; font-family: var(--mono); font-size: .9rem; color: var(--muted); }

.tagline { margin: 0 0 1.75rem; font-size: 1.05rem; font-weight: 500; }

.label {
  margin: 0 0 1rem;
  font-family: var(--mono); font-size: .6875rem; font-weight: 700;
  letter-spacing: .15em; text-transform: uppercase; color: var(--muted);
}

.memos { margin: 0 0 1.5rem; padding: 0; list-style: none; }
.memos li { margin: 0 0 1.2rem; }
.memos .id { display: block; font-family: var(--mono); font-size: .75rem; color: var(--muted); }
.memos a { text-decoration: none; }
.memos a:hover { text-decoration: underline; }

/* memo pages */
pre.memo {
  margin: 0 0 2rem;
  padding: 1.75rem 2rem;
  overflow-x: auto;
  background: var(--paper);
  border: 1px solid var(--rule);
  font-family: var(--mono); font-size: .8125rem; line-height: 1.55;
}
@media (max-width: 44rem) { pre.memo { padding: 1rem 1.25rem; font-size: .75rem; } }

/* deep-linked paragraph (tm-26-001.html#2.2) */
pre.memo span:target { background: #f3ecd2; outline: 3px solid #f3ecd2; }

.pager {
  display: flex; justify-content: space-between; gap: 1rem;
  font-family: var(--mono); font-size: .8125rem;
}