:root {
  --bg: #fafaf8;
  --fg: #1d1d1b;
  --muted: #6b6b66;
  --line: #e4e4de;
  --card: #ffffff;
  --accent: #2f6f5e;
  --tag-bg: #eef3f1;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413;
    --fg: #ecebe6;
    --muted: #9a9993;
    --line: #2a2a28;
    --card: #1b1b1a;
    --accent: #7cc4ad;
    --tag-bg: #1f2a27;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 56px 16px 40px;
}

h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 .5rem; letter-spacing: -.01em; }
h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 2.75rem 0 1rem; font-weight: 600; }
h3 { font-size: 1.05rem; margin: 0 0 .35rem; }
article h2 { font-size: 1.15rem; text-transform: none; letter-spacing: 0; color: var(--fg); margin: 2rem 0 .5rem; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

.lede { color: var(--muted); font-size: 1.1rem; margin: 0; }
.meta, .back { color: var(--muted); font-size: .9rem; }
.back { margin: 0 0 2rem; }
.back a { text-decoration: none; }

ul.cards, ul.notes { list-style: none; padding: 0; margin: 0; }

.cards li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 12px;
}
.cards p { margin: 0 0 .5rem; }
.cards p:last-child { margin-bottom: 0; }

.tags { font-size: .82rem; color: var(--muted); }

.status {
  display: inline-block;
  font-size: .72rem;
  font-weight: 500;
  padding: 1px 8px;
  margin-left: 6px;
  border-radius: 999px;
  background: var(--tag-bg);
  color: var(--accent);
  vertical-align: 2px;
}

.notes li { padding: 10px 0; border-bottom: 1px solid var(--line); }
.notes li:first-child { border-top: 1px solid var(--line); }

code {
  font: .9em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--tag-bg);
  padding: 1px 5px;
  border-radius: 4px;
}

footer {
  margin-top: 3.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .85rem;
}