:root { color-scheme: light dark; --bg: #f6f7f9; --fg: #16181d; --muted: #5b6270; --card: #ffffff;
  --line: #d6dae1; --accent: #1d5fd1; --accent-fg: #ffffff; --warn: #9a3412; --ok: #166534; --code: #eef0f4; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #121418; --fg: #e7e9ee; --muted: #a2a9b6; --card: #1b1e24; --line: #333844;
    --accent: #6ea0ff; --accent-fg: #0b0d10; --warn: #fdba74; --ok: #86efac; --code: #262a33; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
header { background: var(--card); border-bottom: 1px solid var(--line); }
header .in { max-width: 960px; margin: 0 auto; padding: 10px 16px; display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; }
header .site { font-weight: 700; letter-spacing: 0.05em; margin-right: auto; }
header a, header button.link { color: var(--accent); text-decoration: none; background: none; border: 0; padding: 0; margin: 0; font: inherit; font-weight: 400; cursor: pointer; }
input.inline-version { width: 110px; padding: 4px 6px; font-size: 14px; }
header form { margin: 0; }
main { max-width: 960px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.5rem; margin: 8px 0 16px; }
h2 { font-size: 1.2rem; margin: 24px 0 8px; }
h3, h4, h5 { margin: 16px 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin: 0 0 16px; }
.muted { color: var(--muted); }
footer { max-width: 960px; margin: 0 auto; padding: 0 16px 24px; font-size: 14px; }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
label { display: block; font-weight: 600; margin: 8px 0 4px; }
input[type=text], input[type=password], input[type=date], textarea, select {
  width: 100%; max-width: 480px; padding: 10px; font: inherit; color: var(--fg); background: var(--bg);
  border: 1px solid var(--line); border-radius: 6px; }
textarea { max-width: 100%; min-height: 360px; font-family: ui-monospace, Consolas, monospace; font-size: 14px; }
textarea.short { min-height: 90px; }
input.code { font-family: ui-monospace, Consolas, monospace; letter-spacing: 0.1em; text-transform: uppercase; }
button, .button { display: inline-block; padding: 9px 16px; font: inherit; font-weight: 600; border-radius: 6px; cursor: pointer;
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-fg); text-decoration: none; margin: 8px 8px 0 0; }
button.second { background: transparent; color: var(--accent); }
button.danger { background: transparent; color: var(--warn); border-color: var(--warn); }
button.small { padding: 4px 10px; font-size: 14px; margin: 2px 4px 2px 0; }
.inline { display: inline; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; }
code, pre { font-family: ui-monospace, Consolas, monospace; font-size: 14px; background: var(--code); border-radius: 4px; }
code { padding: 1px 4px; }
pre { padding: 12px; overflow-x: auto; }
.mono { font-family: ui-monospace, Consolas, monospace; word-break: break-all; }
.bigcode { font-family: ui-monospace, Consolas, monospace; font-size: 1.6rem; letter-spacing: 0.1em; }
.msg { padding: 10px 12px; border-radius: 6px; border: 1px solid var(--line); margin: 0 0 16px; }
.msg.err { border-color: var(--warn); color: var(--warn); }
.callout { border-left: 4px solid var(--accent); background: var(--card); padding: 8px 12px; margin: 12px 0; border-radius: 4px; }
.callout-warning { border-left-color: var(--warn); }
.callout-title { font-weight: 700; margin: 0 0 4px; }
blockquote { border-left: 3px solid var(--line); margin: 12px 0; padding: 0 12px; color: var(--muted); }
.doc img { max-width: 100%; }
@media (max-width: 600px) { th, td { padding: 4px; font-size: 14px; } .bigcode { font-size: 1.2rem; } }