/* chartband.com — black and white, piano-led. No frameworks, no fonts fetched. */
:root { --bg: #ffffff; --fg: #111111; --muted: #5a5a5a; --line: #e2e2e2; --accent: #111111; }
@media (prefers-color-scheme: dark) { :root { --bg: #0e0e0e; --fg: #f2f2f2; --muted: #a8a8a8; --line: #2a2a2a; --accent: #f2f2f2; } }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.55 -apple-system, "Helvetica Neue", Helvetica, Arial, sans-serif; }
a { color: inherit; }
header.site, footer.site { max-width: 760px; margin: 0 auto; padding: 24px 20px; }
header.site { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--line); }
header.site .brand { font-weight: 800; letter-spacing: -0.02em; text-decoration: none; font-size: 20px; }
header.site nav a { margin-left: 18px; text-decoration: none; color: var(--muted); }
main { max-width: 760px; margin: 0 auto; padding: 32px 20px 64px; }
h1 { font-size: 34px; line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 { font-size: 22px; margin: 36px 0 8px; }
p.lede { color: var(--muted); font-size: 19px; margin-top: 0; }
p.updated { color: var(--muted); font-size: 14px; }
ul { padding-left: 20px; }
footer.site { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; display: flex; flex-wrap: wrap; gap: 16px; }
footer.site a { text-decoration: none; }
.todo { background: #fff3c4; color: #5a4300; padding: 0 4px; border-radius: 3px; }
@media (prefers-color-scheme: dark) { .todo { background: #4a3a00; color: #ffe08a; } }