:root {
  --bg: #f6f7f9; --panel: #ffffff; --text: #17181c; --muted: #5d6270; --line: #e3e6ec;
  --accent: #0d6efd; --accent-ink: #ffffff; --ok: #1f8f4e; --warn: #b8860b; --bad: #c0392b; --code: #f0f2f6;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1115; --panel: #171a21; --text: #e9ecf1; --muted: #9aa3b2; --line: #262b35; --accent: #4d8dff; --accent-ink: #0b1220; --ok: #43c26d; --warn: #e2b03a; --bad: #ff6b5b; --code: #0c0f14; }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif; }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
code, pre, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
pre { background: var(--code); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; overflow-x: auto; margin: 0; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 24px 20px 64px; }
header.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0 18px; border-bottom: 1px solid var(--line); margin-bottom: 28px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .2px; }
.brand .dot { width: 12px; height: 12px; border-radius: 50%; background: linear-gradient(135deg, #e30a17, #ffffff 60%); border: 1px solid var(--line); }
.tag { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; }
nav a { margin-left: 16px; color: var(--muted); } nav a:hover { color: var(--text); }
h1 { font-size: 34px; line-height: 1.15; margin: 0 0 10px; } h2 { font-size: 20px; margin: 0 0 12px; } h3 { font-size: 15px; margin: 0 0 8px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
p.lead { font-size: 17px; color: var(--muted); max-width: 720px; margin: 0 0 24px; }
.grid { display: grid; gap: 18px; } .grid.two { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); } .grid.three { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; }
.panel.accent { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
ol.steps { margin: 0; padding-left: 20px; } ol.steps li { margin: 6px 0; } ol.steps code { background: var(--code); padding: 1px 5px; border-radius: 4px; }
form .row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; } label { font-size: 13px; color: var(--muted); }
input[type=text], input[type=email], input[type=password], input[type=number] { width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); font: inherit; }
input:focus { outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); border-color: var(--accent); }
button, .btn { cursor: pointer; border: 1px solid var(--line); background: var(--panel); color: var(--text); border-radius: 8px; padding: 9px 14px; font: inherit; font-weight: 600; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); } button:disabled { opacity: .55; cursor: default; }
button.small { padding: 5px 10px; font-size: 13px; font-weight: 500; }
.muted { color: var(--muted); } .small { font-size: 13px; } .ok { color: var(--ok); } .warn { color: var(--warn); } .bad { color: var(--bad); }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; align-items: baseline; } .kv dt { color: var(--muted); font-size: 13px; } .kv dd { margin: 0; word-break: break-all; }
.keybox { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; } .keybox code { background: var(--code); border: 1px solid var(--line); padding: 8px 10px; border-radius: 8px; word-break: break-all; }
table { width: 100%; border-collapse: collapse; font-size: 13px; } th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; } th { color: var(--muted); font-weight: 600; } .tablewrap { overflow-x: auto; }
.status { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; border: 1px solid var(--line); }
.status.completed, .status.approved, .status.matched, .status.delivered { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 50%, transparent); }
.status.pending, .status.awaiting_deposit { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 50%, transparent); }
.status.failed, .status.rejected, .status.unmatched, .status.cancelled { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 50%, transparent); }
.toast { position: fixed; right: 18px; bottom: 18px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; box-shadow: 0 8px 24px rgba(0,0,0,.18); max-width: 420px; display: none; }
.tabs { display: flex; gap: 6px; margin-bottom: 10px; flex-wrap: wrap; } .tabs button.active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.log { max-height: 320px; overflow: auto; } .log div { padding: 4px 0; border-bottom: 1px dashed var(--line); }
footer { margin-top: 40px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--line); padding-top: 14px; }
[hidden] { display: none !important; }

/* --- shared chrome: sticky nav, copy buttons (site.js) --- */
header.top { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
/* Anchor jumps: land the heading below the sticky header instead of hidden under it.
   No smooth-scroll: on a long page it animates through everything and feels chaotic. */
:target { scroll-margin-top: 84px; }
h1[id], h2[id], h3[id], [id] { scroll-margin-top: 84px; }
nav.primary-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
nav.primary-nav a { margin-left: 0; padding: 6px 10px; border-radius: 7px; color: var(--muted); font-size: 14px; }
nav.primary-nav a:hover { color: var(--text); background: color-mix(in srgb, var(--accent) 10%, transparent); text-decoration: none; }
nav.primary-nav a.current { color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, transparent); font-weight: 600; }
nav.primary-nav .ai-copy { margin-left: 6px; padding: 6px 10px; font-size: 13px; font-weight: 600; border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--line)); background: var(--panel); color: var(--accent); border-radius: 7px; cursor: pointer; }
nav.primary-nav .ai-copy.copied { color: var(--ok); border-color: var(--ok); }
.codewrap { position: relative; }
.codewrap .copybtn { position: absolute; top: 8px; right: 8px; padding: 4px 9px; font-size: 12px; font-weight: 600; border: 1px solid var(--line); background: var(--panel); color: var(--muted); border-radius: 6px; cursor: pointer; opacity: 0; transition: opacity .15s; }
.codewrap:hover .copybtn, .codewrap .copybtn:focus { opacity: 1; }
.codewrap .copybtn:hover { color: var(--text); border-color: var(--accent); }
.codewrap .copybtn.copied { color: var(--ok); border-color: var(--ok); opacity: 1; }
@media (max-width: 600px) { nav.primary-nav a { padding: 5px 7px; font-size: 13px; } .codewrap .copybtn { opacity: 1; } }