/* Shared styles for the Business Critical Apps site (businesscriticalapps.com). */
:root { color-scheme: light dark; }
* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background: #fff;
  margin: 0;
  padding: 0 1.25rem 5rem;
}
main { max-width: 760px; margin: 0 auto; }

/* Top nav */
nav.site {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.25rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: baseline;
  border-bottom: 1px solid #ececec;
}
nav.site .brand { font-weight: 700; font-size: 1.05rem; color: inherit; text-decoration: none; }
nav.site .links { margin-left: auto; display: flex; gap: 1.25rem; }
nav.site .links a { color: #0c66e4; text-decoration: none; font-size: 0.95rem; }
nav.site .links a:hover { text-decoration: underline; }

h1 { font-size: 1.9rem; line-height: 1.2; margin: 1.75rem 0 0.25rem; }
h2 { font-size: 1.25rem; margin: 2.25rem 0 0.5rem; padding-top: 0.5rem; border-top: 1px solid #ececec; }
h2:first-of-type { border-top: none; }

.meta { color: #555; font-size: 0.95rem; margin: 0 0 1.5rem; }
.meta div { margin: 0.1rem 0; }

table { border-collapse: collapse; width: 100%; margin: 0.5rem 0; font-size: 0.95rem; }
th, td { border: 1px solid #ddd; padding: 0.5rem 0.65rem; text-align: left; vertical-align: top; }
th { background: #f6f6f6; }

ul { padding-left: 1.25rem; }
li { margin: 0.25rem 0; }
a { color: #0c66e4; }
code { background: #f1f1f1; padding: 0.05rem 0.3rem; border-radius: 3px; font-size: 0.9em; }

/* Landing hero */
.hero { padding: 2rem 0 1rem; }
.hero p.lead { font-size: 1.15rem; color: #333; }
.card-row { display: flex; flex-wrap: wrap; gap: 1rem; margin: 1.5rem 0; }
.card { flex: 1 1 220px; border: 1px solid #e3e3e3; border-radius: 8px; padding: 1rem 1.1rem; }
.card h3 { margin: 0 0 0.35rem; font-size: 1.05rem; }
.card a { text-decoration: none; }

footer { margin-top: 3rem; color: #777; font-size: 0.9rem; border-top: 1px solid #ececec; padding-top: 1rem; }

@media (prefers-color-scheme: dark) {
  body { background: #0f1115; color: #e6e6e6; }
  nav.site { border-bottom-color: #2a2d34; }
  h2 { border-top-color: #2a2d34; }
  th { background: #1b1e24; }
  th, td { border-color: #2a2d34; }
  code { background: #1b1e24; }
  .meta, footer, .hero p.lead { color: #9aa0a6; }
  .card { border-color: #2a2d34; }
  footer { border-top-color: #2a2d34; }
}