:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --text: #1c2430;
  --muted: #5d6b7c;
  --line: #dde2e8;
  --accent: #1f5fbf;
  --accent-text: #ffffff;
  --warn-bg: #fff6e0; --warn-line: #e8c46a;
  --info-bg: #eaf2fd; --info-line: #9cbcec;
  --err-bg: #fdecec; --err-line: #e59a9a;
  --ok: #1d8a4a; --down: #b54a2a;
  --missing: #8a6d1d;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c; --panel: #1b2129; --text: #e4e8ee; --muted: #9aa6b4; --line: #2e3742;
    --accent: #5b9bf0; --accent-text: #0d1117;
    --warn-bg: #2f2814; --warn-line: #7a6326;
    --info-bg: #15243a; --info-line: #2f5185;
    --err-bg: #351a1a; --err-line: #7d3434;
    --ok: #4cc27f; --down: #e0805f; --missing: #d6b45a;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0; padding: 24px; background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 0; }
h3 { font-size: 14px; margin: 0; color: var(--muted); font-weight: 600; }
h4 { font-size: 14px; margin: 8px 0 2px; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.req { color: var(--down); }

.top { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; max-width: 1400px; margin: 0 auto 16px; }
.top p { margin: 0; max-width: 70ch; }
.status { white-space: nowrap; font-size: 13px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel); }
.status::before { content: "●"; margin-right: 6px; color: var(--muted); }
.status.up::before { color: var(--ok); }
.status.down::before { color: var(--down); }

.grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 16px; max-width: 1400px; margin: 0 auto; align-items: start; }
@media (max-width: 960px) { .grid { grid-template-columns: 1fr; } body { padding: 16px; } .top { flex-direction: column; } }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 18px; display: flex; flex-direction: column; gap: 14px; min-width: 0; }

.row { display: flex; gap: 8px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.row.between { justify-content: space-between; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }

form { display: flex; flex-direction: column; gap: 12px; }
label { display: flex; flex-direction: column; gap: 4px; font-weight: 600; font-size: 14px; }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin: 0; display: flex; flex-direction: column; gap: 6px; }
legend { font-weight: 600; font-size: 14px; padding: 0 4px; }
input, textarea {
  font: inherit; font-weight: 400; color: var(--text); background: var(--bg);
  border: 1px solid var(--line); border-radius: 6px; padding: 7px 9px; width: 100%; min-width: 0;
}
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
textarea { resize: vertical; }
.spec { display: grid; grid-template-columns: 1fr 1fr auto; gap: 6px; }
@media (max-width: 520px) {
  .spec { grid-template-columns: 1fr auto; padding-bottom: 6px; border-bottom: 1px dashed var(--line); }
  .spec input:nth-child(2) { grid-column: 1; }
  .spec button { grid-row: 1; grid-column: 2; }
}
.code { font: 13px/1.45 ui-monospace, SFMono-Regular, Consolas, monospace; }
pre.code { white-space: pre-wrap; word-break: break-word; background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 12px; margin: 0; max-height: 70vh; overflow: auto; }

button { font: inherit; cursor: pointer; border-radius: 6px; }
button:disabled { opacity: .6; cursor: progress; }
.primary { background: var(--accent); color: var(--accent-text); border: 0; padding: 9px 18px; font-weight: 600; }
.link { background: none; border: 0; color: var(--accent); padding: 4px 6px; align-self: flex-start; }
.chip, .copy { background: var(--bg); border: 1px solid var(--line); color: var(--text); padding: 3px 10px; font-size: 13px; }
.chip:hover, .copy:hover { border-color: var(--accent); }
.tabs { display: inline-flex; border: 1px solid var(--line); border-radius: 7px; overflow: hidden; }
.tabs button { background: none; border: 0; border-radius: 0; padding: 4px 12px; font-size: 13px; color: var(--muted); }
.tabs button[aria-selected="true"] { background: var(--accent); color: var(--accent-text); }

.alert { border: 1px solid; border-radius: 8px; padding: 10px 14px; font-size: 14px; }
.alert ul { margin: 6px 0 0; padding-left: 20px; }
.alert.warn { background: var(--warn-bg); border-color: var(--warn-line); }
.alert.info { background: var(--info-bg); border-color: var(--info-line); }
.alert.error { background: var(--err-bg); border-color: var(--err-line); }

.block { border-top: 1px solid var(--line); padding-top: 12px; }
.block:first-child { border-top: 0; padding-top: 0; }
.block + .block { margin-top: 14px; }
.block p { margin: 6px 0; }
.block ul { margin: 6px 0; padding-left: 20px; }
.title { font-size: 17px; font-weight: 600; }
table { border-collapse: collapse; width: 100%; margin-top: 6px; font-size: 14px; }
th, td { text-align: left; border-bottom: 1px solid var(--line); padding: 5px 8px; vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
tr.missing td { color: var(--missing); font-style: italic; }

footer { max-width: 1400px; margin: 20px auto 0; }