/* Shared by the developer pages; tokens match /index.html. */
:root {
  --bg: #f7f6f3; --panel: #ffffff; --ink: #1d1d1f; --muted: #6b6b70; --line: #e4e2dc;
  --accent: #e8462b; --accent-ink: #ffffff; --code: #f1efe9;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121214; --panel: #1b1b1e; --ink: #ededf0; --muted: #a0a0a8; --line: #2c2c31;
    --accent: #ff6a4d; --accent-ink: #121214; --code: #232327;
  }
}
:root[data-theme="dark"] {
  --bg: #121214; --panel: #1b1b1e; --ink: #ededf0; --muted: #a0a0a8; --line: #2c2c31;
  --accent: #ff6a4d; --accent-ink: #121214; --code: #232327;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); }
header, main, footer { max-width: 880px; margin: 0 auto; padding: 0 16px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 24px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--ink); text-decoration: none; }
.brand i { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; background: var(--accent); color: var(--accent-ink); font-style: normal; }
nav a { margin-left: 14px; color: var(--muted); text-decoration: none; font-size: 14px; }
nav a:hover, nav a.on { color: var(--ink); }
h1 { font-size: clamp(28px, 5vw, 40px); line-height: 1.15; margin: 40px 0 8px; }
h2 { font-size: 24px; margin: 40px 0 8px; padding-top: 8px; }
h3 { font-size: 18px; margin: 24px 0 6px; }
.lede { color: var(--muted); margin: 0 0 24px; max-width: 680px; font-size: 18px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px; margin: 20px 0; }
.card > :first-child { margin-top: 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.grid .card { margin: 0; }
pre, code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
code { background: var(--code); padding: 1px 5px; border-radius: 4px; }
pre { background: var(--code); border-radius: 8px; padding: 12px 14px; overflow-x: auto; margin: 8px 0 16px; line-height: 1.5; }
pre code { background: none; padding: 0; }
table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 8px 0 16px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
.note { border-left: 3px solid var(--accent); padding: 4px 0 4px 14px; color: var(--muted); }
ol.steps { padding-left: 22px; }
ol.steps li { margin: 6px 0; }
.toc { columns: 2 220px; font-size: 15px; padding-left: 18px; }
footer { color: var(--muted); font-size: 13px; padding: 40px 16px; }
@media (max-width: 560px) { nav a { margin: 0 12px 0 0; } }