:root {
  --bg: #f6f4ef;
  --ink: #1c1915;
  --muted: #5e584f;
  --line: #e2ddd4;
  --accent: #1e3a5f;
  --card: #fffcf7;
  --ok: #1f7a4d;
  --warn: #9a6700;
  --bad: #9f2d2d;
  --sans: ui-sans-serif, system-ui, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); }
a { color: var(--accent); }
button, .button {
  font: inherit;
  background: var(--accent);
  color: white;
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 8px 14px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
button.secondary, a.secondary {
  background: transparent;
  color: var(--accent);
}
button.danger { background: transparent; color: var(--bad); border-color: var(--bad); }
input, textarea, select {
  font: inherit;
  width: 100%;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  color: var(--ink);
}
textarea, code, pre, .mono { font-family: var(--mono); }
label { display: block; margin: 10px 0 4px; color: var(--muted); font-size: 14px; }
.muted { color: var(--muted); }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}
.stack { display: grid; gap: 12px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.error { color: var(--bad); }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.landing { max-width: 720px; margin: 0 auto; padding: 64px 20px; display: grid; gap: 28px; }
.landing h1 { font-size: 40px; margin: 0; }
.landing p.lead { font-size: 20px; margin: 8px 0 0; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.plan { display: flex; justify-content: space-between; gap: 12px; }
pre.sample { margin: 8px 0 0; white-space: pre-wrap; font-size: 13px; }
.shell { display: grid; grid-template-columns: 200px 1fr; min-height: 100vh; }
.ops-shell { grid-template-columns: 220px 1fr; }
nav { border-right: 1px solid var(--line); padding: 20px 12px; display: grid; align-content: start; gap: 4px; }
nav a, nav button.link {
  background: transparent;
  color: var(--ink);
  border: 0;
  text-align: left;
  padding: 8px 10px;
  border-radius: 6px;
}
nav a.active, nav button.link.active { background: white; }
.top { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line); }
main.page { padding: 20px; display: grid; gap: 16px; align-content: start; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.sign-in { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.sign-in .card { width: min(420px, 100%); }
@media (max-width: 800px) {
  .cards, .shell, .ops-shell { grid-template-columns: 1fr; }
  nav { border-right: 0; border-bottom: 1px solid var(--line); }
}