:root {
  --bg: #eef3fa; --surface: #ffffff; --surface-2: #f5f8fc; --border: #dbe4f0;
  --text: #142238; --text-2: #5c6f88; --accent: #004b9c; --accent-dark: #00366e;
  --accent-soft: #e6effb; --orange: #f08900;
  --good: #0f8f63; --good-soft: #dff5ec; --warn: #b45f06; --warn-soft: #fdf0dc;
  --bad: #c0362c; --bad-soft: #fbe7e5;
  --shadow: 0 1px 2px rgba(20,34,56,.06), 0 8px 24px -12px rgba(20,34,56,.18);
  --radius: 14px;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a1420; --surface: #111f31; --surface-2: #0d1a29; --border: #22354c;
    --text: #e7edf7; --text-2: #8ea0ba; --accent: #5b9bf0; --accent-dark: #8fbaf5;
    --accent-soft: rgba(91,155,240,.14); --orange: #ff9d1f;
    --good: #3bc99a; --good-soft: rgba(59,201,154,.14); --warn: #f0a540; --warn-soft: rgba(240,165,64,.14);
    --bad: #ef6259; --bad-soft: rgba(239,98,89,.14);
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px -12px rgba(0,0,0,.5);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.45 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
code { font-family: var(--mono); font-size: .9em; background: var(--surface-2); padding: 1px 5px; border-radius: 5px; }
h1, h2 { margin: 0 0 14px; line-height: 1.25; }
h1 { font-size: 20px; }
h2 { font-size: 17px; }
.muted { color: var(--text-2); }
.mono { font-family: var(--mono); letter-spacing: .5px; }
.center { text-align: center; }

/* top bar */
.topbar { background: var(--surface); border-bottom: 1px solid var(--border); }
.topbar-inner {
  max-width: 980px; margin: 0 auto; padding: 12px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.wordmark, .brand { font-size: 19px; font-weight: 800; color: var(--accent); text-decoration: none; letter-spacing: .2px; }
.wordmark b, .brand b { color: var(--orange); }
nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
nav a, button.link {
  color: var(--text-2); text-decoration: none; font: inherit; font-size: 14px; font-weight: 600;
  padding: 6px 10px; border-radius: 8px; background: none; border: none; cursor: pointer;
}
nav a:hover, button.link:hover { background: var(--surface-2); color: var(--text); }
nav a.active { background: var(--accent-soft); color: var(--accent); }
form.inline { display: inline; margin: 0; }

/* page */
.page { max-width: 980px; margin: 0 auto; padding: 20px 16px 48px; display: flex; flex-direction: column; gap: 16px; }
.page.narrow { max-width: 420px; padding-top: 10vh; }
.brand { text-align: center; font-size: 24px; }
.brand span { display: block; font-size: 13px; font-weight: 500; color: var(--text-2); margin-top: 2px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 20px; min-width: 0;
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.card-head h1 { margin: 0; }

/* forms */
label { display: block; font-size: 13px; font-weight: 600; color: var(--text-2); margin-bottom: 14px; }
input, select {
  display: block; width: 100%; margin-top: 6px;
  background: var(--surface-2); color: var(--text); border: 1.5px solid var(--border); border-radius: 10px;
  padding: 11px 12px; font: inherit; font-size: 16px; font-weight: 400;
}
input.mono { font-family: var(--mono); letter-spacing: 2px; text-transform: uppercase; }
input:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.hint { display: block; font-size: 12px; font-weight: 400; color: var(--text-2); margin-top: 5px; }
.hint.good { color: var(--good); } .hint.warn { color: var(--warn); } .hint.bad { color: var(--bad); }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); column-gap: 14px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: -4px 0 16px; }
.chip {
  border: 1.5px solid var(--border); background: var(--surface-2); color: var(--text);
  border-radius: 999px; padding: 7px 14px; font: inherit; font-size: 13px; font-weight: 600; cursor: pointer;
}
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1.5px solid transparent; border-radius: 10px; padding: 11px 18px;
  font: inherit; font-size: 15px; font-weight: 700; cursor: pointer; text-decoration: none; white-space: nowrap;
}
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-dark); }
.btn.secondary { background: var(--surface); color: var(--accent); border-color: var(--accent); }
.btn.secondary:hover { background: var(--accent-soft); }
.btn.danger { background: var(--surface); color: var(--bad); border-color: var(--bad); }
.btn.danger:hover { background: var(--bad-soft); }
.btn.wide { width: 100%; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }

/* notices & badges */
.notice { border-radius: 10px; padding: 11px 14px; font-size: 14px; font-weight: 600; margin-bottom: 14px; }
.notice.ok { background: var(--good-soft); color: var(--good); }
.notice.error { background: var(--bad-soft); color: var(--bad); }
.page > .notice { margin-bottom: 0; }
.badge {
  display: inline-block; font-size: 11.5px; font-weight: 700; padding: 3px 9px; border-radius: 999px;
  white-space: nowrap; vertical-align: middle;
}
.badge.good { background: var(--good-soft); color: var(--good); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.bad { background: var(--bad-soft); color: var(--bad); }
.badge.info { background: var(--accent-soft); color: var(--accent); }
.badge.neutral { background: var(--surface-2); color: var(--text-2); border: 1px solid var(--border); }

/* result */
.result { border-color: var(--good); }
.result-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.result-head h2 { margin: 0; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 8px 16px; margin: 0; font-size: 14px; }
.kv dt { color: var(--text-2); font-weight: 600; }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.json {
  margin: 14px 0 0; padding: 12px 14px; background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; font: 12.5px/1.5 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere;
}
.tip { margin: 14px 0 0; background: var(--accent-soft); color: var(--accent-dark); border-radius: 10px; padding: 10px 12px; font-size: 13px; }

/* history */
.search input { margin: 0; width: 260px; max-width: 100%; padding: 8px 12px; font-size: 14px; }
.search { flex: 0 1 260px; }
.empty { color: var(--text-2); text-align: center; padding: 24px 10px; border: 1.5px dashed var(--border); border-radius: 12px; margin: 0; }
.table-wrap { overflow-x: auto; margin: 0 -20px -20px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 14px; border-top: 1px solid var(--border); white-space: nowrap; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-2); border-top: none; }
td:first-child, th:first-child { padding-left: 20px; }
td:last-child, th:last-child { padding-right: 20px; }
tbody tr:hover { background: var(--surface-2); }

/* users */
.user-list { display: flex; flex-direction: column; gap: 12px; }
.user { border: 1px solid var(--border); border-radius: 12px; padding: 14px; background: var(--surface-2); }
.user.disabled { opacity: .7; }
.user-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.user-head b { margin-right: 6px; }
.user-head .muted { font-size: 13px; }
.user-actions { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: flex-end; }
form.row { display: flex; align-items: flex-end; gap: 8px; flex-wrap: wrap; margin: 0; }
label.small { margin: 0; font-size: 12px; }
label.small input { width: 110px; padding: 8px 10px; font-size: 14px; background: var(--surface); }
label.small.grow input { width: 170px; }
form.row .btn { padding: 8px 14px; font-size: 13.5px; }

@media (max-width: 560px) {
  .card { padding: 16px; }
  .table-wrap { margin: 0 -16px -16px; }
  td:first-child, th:first-child { padding-left: 16px; }
  .search, .search input { width: 100%; flex-basis: 100%; }
}