:root {
  --bg: #f7faf8;
  --fg: #12211a;
  --muted: #5d6f66;
  --accent: #178f45;
  --accent-soft: #e8f6ed;
  --line: #dde7e1;
  --card: #ffffff;
  --warn-bg: #fff6e8;
  --warn-line: #f0d4a4;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1411;
    --fg: #e6efe9;
    --muted: #9bb0a5;
    --accent: #3ddc7f;
    --accent-soft: #14251b;
    --line: #22322a;
    --card: #121d18;
    --warn-bg: #241d10;
    --warn-line: #4a3a1c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16.5px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

header {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  align-items: center;
  justify-content: space-between;
  max-width: 780px;
  margin: 0 auto;
  padding: 26px 22px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  color: var(--fg);
  text-decoration: none;
}

.mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(160deg, #3ddc7f, #14a04e);
  color: #fff;
  font-weight: 900;
}

nav { display: flex; flex-wrap: wrap; gap: 18px; }
nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover { color: var(--accent); }

main {
  max-width: 780px;
  margin: 0 auto;
  padding: 30px 22px 10px;
}

h1 { font-size: 32px; line-height: 1.2; margin: 18px 0 10px; letter-spacing: -0.02em; }
h2 { font-size: 21px; margin: 36px 0 10px; letter-spacing: -0.01em; }
h3 { font-size: 17px; margin: 24px 0 6px; }

p, li { color: var(--fg); }
.lead { font-size: 18.5px; color: var(--muted); }
.muted { color: var(--muted); font-size: 14.5px; }

a { color: var(--accent); }

ul { padding-left: 20px; }
li { margin: 6px 0; }

code {
  background: var(--accent-soft);
  border-radius: 5px;
  padding: 1px 5px;
  font-size: 0.9em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

pre {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  overflow-x: auto;
}
pre code { background: none; padding: 0; font-size: 13px; line-height: 1.55; }

.cards {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  margin: 22px 0;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
}
.card h3 { margin: 0 0 6px; font-size: 15.5px; }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 11px 20px;
  border-radius: 11px;
  font-weight: 600;
  font-size: 15px;
}
.btn.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }

.warn {
  background: var(--warn-bg);
  border: 1px solid var(--warn-line);
  border-radius: 11px;
  padding: 12px 15px;
}

.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; margin-top: 12px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; }
td a { word-break: break-all; }
.ver { color: var(--muted); white-space: nowrap; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }

footer {
  max-width: 780px;
  margin: 40px auto 0;
  padding: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
footer p { margin: 6px 0; }