/* Shared styles for the Pushup Alarm site (GitHub Pages). */
:root {
  --bg: #ffffff;
  --fg: #111322;
  --muted: #5b5f73;
  --accent: #4f45e6;
  --gold: #f5a623;
  --card: #f5f6fa;
  --rule: #e4e6ef;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0c18;
    --fg: #eceef8;
    --muted: #9aa0bd;
    --accent: #8b83ff;
    --gold: #ffd24a;
    --card: #141830;
    --rule: #262b4a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 680px; margin: 0 auto; padding: 32px 20px 80px; }
header.site {
  display: flex; align-items: center; gap: 12px;
  max-width: 680px; margin: 0 auto; padding: 28px 20px 0;
}
header.site .mark {
  width: 40px; height: 40px; border-radius: 9px; flex: none;
  background: radial-gradient(circle at 50% 42%, #1b1f3e 0%, #0a0c18 100%);
  display: grid; place-items: center; color: var(--gold); font-size: 22px;
}
header.site a { color: var(--fg); text-decoration: none; font-weight: 700; font-size: 19px; }
nav.crumbs { font-size: 14px; margin-top: 4px; }
nav.crumbs a { color: var(--accent); text-decoration: none; }
h1 { font-size: 32px; line-height: 1.2; margin: 28px 0 6px; letter-spacing: -0.02em; }
h2 { font-size: 21px; margin: 34px 0 8px; letter-spacing: -0.01em; }
p, li { color: var(--fg); }
ul { padding-left: 22px; }
li { margin: 6px 0; }
.updated { color: var(--muted); font-size: 14px; margin-top: 40px; }
.lede { color: var(--muted); font-size: 19px; margin-top: 0; }
.card {
  background: var(--card); border: 1px solid var(--rule);
  border-radius: 14px; padding: 18px 20px; margin: 14px 0;
}
.card h2 { margin-top: 0; }
footer {
  max-width: 680px; margin: 0 auto; padding: 0 20px 48px;
  color: var(--muted); font-size: 14px;
}
footer a { color: var(--accent); text-decoration: none; }
.btnrow { margin: 26px 0; display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 12px;
  background: var(--accent); color: #fff !important; text-decoration: none; font-weight: 600;
}
.btn.secondary { background: var(--card); color: var(--fg) !important; border: 1px solid var(--rule); }