:root {
  color-scheme: light dark;
  --fg: #16202c;
  --muted: #5a6b7d;
  --bg: #f4fbff;
  --card: #ffffff;
  --accent: #0a84ff;
  --line: #dbe7f2;
}
@media (prefers-color-scheme: dark) {
  :root { --fg:#e9f1f8; --muted:#9fb2c4; --bg:#0e1620; --card:#161f2b; --line:#26323f; }
}
* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
  margin: 0;
  min-height: 100vh;
  padding: 3rem 1.25rem 5rem;
  background: linear-gradient(180deg, #73c9ff 0%, var(--bg) 38%) no-repeat fixed;
  background-color: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  body { background: linear-gradient(180deg, #12324d 0%, var(--bg) 38%) no-repeat fixed;
         background-color: var(--bg); }
}
main {
  max-width: 46rem; margin: 0 auto; padding: 2.5rem 2.25rem 3rem;
  background: var(--card); border-radius: 18px;
  box-shadow: 0 18px 50px rgba(10,40,80,.16);
}
h1 { font-size: 1.85rem; line-height: 1.2; margin: 0 0 .35rem; letter-spacing: -.02em; }
h2 { font-size: 1.15rem; margin: 2.2rem 0 .6rem; letter-spacing: -.01em; }
.date { color: var(--muted); font-size: .9rem; margin: 0 0 1.5rem; }
a { color: var(--accent); }
code {
  font: .9em ui-monospace, SFMono-Regular, Menlo, monospace;
  background: rgba(10,132,255,.1); padding: .1em .38em; border-radius: 5px;
}
table { border-collapse: collapse; width: 100%; margin: .8rem 0; font-size: .94rem; }
th, td { text-align: left; padding: .55rem .7rem; border-bottom: 1px solid var(--line); }
th { font-weight: 600; }
ul { padding-left: 1.15rem; }
li { margin: .3rem 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0 1.25rem; }
footer { color: var(--muted); font-size: .88rem; }
.home { display: inline-block; margin-bottom: 1.5rem; color: var(--muted); text-decoration: none; font-size: .9rem; }
.home:hover { color: var(--accent); }

.appicon { width: 92px; height: 92px; border-radius: 20px; display: block; margin: 0 auto .6rem; }