:root {
  --bg: #fff; --fg: #1b1f24; --muted: #5b6570; --line: #d8dde3; --card: #f5f7f9;
  --accent: #0b5fd6; --err: #b3261e; --errbg: #fdecea; --ok: #1a7f37; --warn: #9a6700;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161b; --fg: #e4e8ec; --muted: #9aa5b1; --line: #2d353e; --card: #1b2128;
    --accent: #5aa2ff; --err: #ff8a80; --errbg: #3a1a18; --ok: #56d364; --warn: #e3b341;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 14px/1.45 system-ui, sans-serif; }
a { color: var(--accent); }
code, pre, .mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12.5px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.top { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; padding: 8px 16px; border-bottom: 1px solid var(--line); background: var(--card); }
.brand { font-weight: 700; text-decoration: none; color: var(--fg); }
.top nav { display: flex; gap: 12px; }
.keyform { display: flex; gap: 6px; margin-left: auto; flex-wrap: wrap; }
.keyform input { width: 220px; max-width: 100%; }
.keystatus { padding: 4px 16px; font-size: 13px; color: var(--muted); }
.keystatus.bad { color: var(--err); }
main { padding: 12px 16px 40px; max-width: 1200px; margin: 0 auto; }
main:focus { outline: none; }
h1 { font-size: 20px; margin: 8px 0; }
h2 { font-size: 16px; margin: 20px 0 8px; }
input, select, button, textarea { font: inherit; color: inherit; background: var(--bg); border: 1px solid var(--line); border-radius: 4px; padding: 4px 8px; }
button { cursor: pointer; background: var(--card); }
button:hover { border-color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.tablewrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 4px; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 4px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--card); white-space: nowrap; position: sticky; top: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 8px 12px; }
.grid label { display: flex; flex-direction: column; font-size: 12px; color: var(--muted); gap: 2px; }
.grid input, .grid select { width: 100%; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; align-items: center; }
.card { border: 1px solid var(--line); background: var(--card); border-radius: 6px; padding: 8px 12px; margin: 8px 0; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 2px 12px; margin: 0; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; word-break: break-word; }
.error { border: 1px solid var(--err); background: var(--errbg); color: var(--err); border-radius: 6px; padding: 8px 12px; margin: 8px 0; }
.error b { display: block; }
.loading { color: var(--muted); padding: 8px 0; }
.muted { color: var(--muted); }
.ok { color: var(--ok); } .bad { color: var(--err); } .warn { color: var(--warn); }
.url { display: flex; gap: 8px; align-items: center; margin: 8px 0; }
.url code { flex: 1; overflow-x: auto; white-space: nowrap; padding: 4px 8px; background: var(--card); border: 1px solid var(--line); border-radius: 4px; }
pre { background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 8px; overflow: auto; max-height: 70vh; white-space: pre-wrap; word-break: break-word; }
.viewer { border: 1px solid var(--line); border-radius: 6px; margin-top: 12px; }
.viewer .bar { display: flex; gap: 8px; align-items: center; padding: 6px 8px; background: var(--card); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.viewer iframe { width: 100%; height: 75vh; border: 0; background: #fff; display: block; }
.viewer img { max-width: 100%; display: block; }
.viewer .body { padding: 8px; }
.ac { position: relative; }
.ac ul { position: absolute; z-index: 5; left: 0; right: 0; top: 100%; margin: 0; padding: 0; list-style: none; background: var(--bg); border: 1px solid var(--line); max-height: 240px; overflow: auto; }
.ac li { padding: 4px 8px; cursor: pointer; }
.ac li[aria-selected="true"], .ac li:hover { background: var(--card); outline: 1px solid var(--accent); }
.timeline { list-style: none; padding-left: 12px; border-left: 2px solid var(--line); }
.timeline li { margin: 6px 0; }
.chip { display: inline-block; border: 1px solid var(--line); border-radius: 10px; padding: 0 8px; font-size: 12px; background: var(--card); }
.foot { padding: 8px 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; position: sticky; bottom: 0; background: var(--bg); }
@media (max-width: 600px) { .keyform input { width: 100%; } .keyform { margin-left: 0; width: 100%; } }