:root { color-scheme: light dark; --fg: #1d1d1f; --muted: #5f6368; --bg: #fbfbf8; --card: #ffffff; --line: #e3e3dc; --accent: #2f5d50; }
@media (prefers-color-scheme: dark) { :root { --fg: #ececec; --muted: #a8a8a8; --bg: #141414; --card: #1d1d1d; --line: #333; --accent: #8fc1b0; } }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--fg); background: var(--bg); }
header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header { display: flex; justify-content: space-between; align-items: center; padding-top: 20px; }
header a.brand { font-weight: 700; font-size: 20px; color: var(--fg); text-decoration: none; }
nav a { margin-left: 16px; color: var(--muted); text-decoration: none; }
main { padding-top: 24px; padding-bottom: 48px; }
h1 { font-size: 30px; line-height: 1.2; margin: 16px 0; }
h2 { font-size: 21px; margin-top: 32px; }
a { color: var(--accent); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px 20px; margin: 16px 0; }
.muted { color: var(--muted); }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; }
pre { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 12px; overflow-x: auto; }
form.inline { display: inline; }
input[type=email], input[type=password], input[type=text] { width: 100%; max-width: 360px; padding: 10px; font-size: 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--fg); }
button { padding: 10px 18px; font-size: 16px; border-radius: 8px; border: 1px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer; }
button.secondary { background: transparent; color: var(--accent); }
table { border-collapse: collapse; width: 100%; }
td, th { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
footer { padding-bottom: 32px; color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); margin-right: 14px; }