:root {
  --bg: #fbfbf9; --fg: #1b1b1b; --muted: #666; --line: #e3e2dc; --card: #fff;
  --accent: #1f6f4a; --accent-fg: #fff; --danger: #a4272b; --tag: #e9f3ee;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #141513; --fg: #ececea; --muted: #a2a29c; --line: #2b2c29; --card: #1c1d1b; --accent: #4fb182; --accent-fg: #0d1a13; --danger: #ef7a7d; --tag: #1f2f27; }
}
* { box-sizing: border-box; }
html { font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--fg); }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; }
a { color: var(--accent); }
main { flex: 1; width: min(1040px, 100% - 32px); margin: 0 auto; padding: 24px 0 48px; }
header.top { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 14px 16px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
header.top .brand { font-weight: 700; font-size: 20px; text-decoration: none; color: var(--fg); }
header.top nav { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
header.top nav a { text-decoration: none; color: var(--fg); }
footer { border-top: 1px solid var(--line); padding: 20px 16px; display: flex; gap: 24px; flex-wrap: wrap; align-items: center; justify-content: space-between; font-size: 14px; }
footer .links { display: flex; gap: 16px; }
footer p { width: 100%; margin: 0; }
h1 { font-size: clamp(28px, 4vw, 40px); line-height: 1.15; margin: 0 0 12px; }
h2 { font-size: 22px; margin: 0 0 8px; }
h3 { font-size: 17px; margin: 0 0 6px; }
.lead { font-size: 18px; max-width: 64ch; }
.muted { color: var(--muted); }
.hero { padding: 32px 0 24px; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; padding: 24px 0; }
.narrow { max-width: 480px; margin: 0 auto; }
.btn { display: inline-block; background: var(--accent); color: var(--accent-fg); border: 1px solid var(--accent); border-radius: 8px; padding: 10px 18px; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.small { padding: 6px 12px; font-size: 14px; }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
button.link { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; cursor: pointer; text-decoration: underline; }
button.link.danger { color: var(--danger); }
form.inline { display: inline; }
.form .field { margin-bottom: 14px; }
.form label { display: block; font-weight: 600; margin-bottom: 4px; }
.form label.check { font-weight: 400; display: flex; gap: 8px; align-items: flex-start; }
.form input[type=text], .form input[type=email], .form input[type=password], .inline-form input[type=text], .inline-form input[type=email] { width: 100%; padding: 9px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--fg); font: inherit; }
.inline-form { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 12px 0; }
.inline-form input[type=text], .inline-form input[type=email] { width: auto; min-width: 180px; }
.errorlist { color: var(--danger); margin: 4px 0 0; padding-left: 18px; font-size: 14px; }
.messages { margin-bottom: 16px; }
.msg { padding: 10px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); margin-bottom: 8px; }
.msg.error { border-color: var(--danger); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; margin: 16px 0; }
.big { font-size: 24px; font-weight: 700; margin: 0 0 6px; }
.tag { display: inline-block; font-size: 12px; font-weight: 600; background: var(--tag); color: var(--accent); border-radius: 999px; padding: 2px 10px; vertical-align: middle; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 16px; }
.plan { border: 1px solid var(--line); border-radius: 12px; padding: 18px; background: var(--card); display: flex; flex-direction: column; }
.plan.featured { border-color: var(--accent); }
.plan ul { padding-left: 18px; margin: 8px 0 16px; flex: 1; }
.plan .price { font-size: 28px; font-weight: 700; margin: 4px 0; }
.plan .price span { font-size: 14px; font-weight: 400; color: var(--muted); }
ul.compact { margin: 6px 0 12px; padding-left: 18px; }
table { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 14px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.95em; }
.token-new { border: 1px solid var(--accent); background: var(--tag); border-radius: 8px; padding: 12px 14px; margin-bottom: 12px; }
code.token { display: block; word-break: break-all; font-size: 15px; padding: 8px; background: var(--card); border-radius: 6px; user-select: all; }
.legal { max-width: 72ch; }
.legal h2 { margin-top: 28px; font-size: 19px; }
footer form.lang select { font: inherit; padding: 4px 6px; border-radius: 6px; border: 1px solid var(--line); background: var(--card); color: var(--fg); }