/* Admin UI — no framework, no external assets (ADR 0014). */
:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --border: #d8dce3;
  --text: #1b1f24;
  --muted: #5d6673;
  --accent: #1f6feb;
  --ok: #1a7f37;
  --warn: #9a6700;
  --err: #b42318;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06);
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --panel: #1c2027;
    --border: #2d333b;
    --text: #e6edf3;
    --muted: #9aa4b2;
    --accent: #539bf5;
    --ok: #57ab5a;
    --warn: #c69026;
    --err: #e5534b;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
/* Every panel here is shown/hidden through the `hidden` attribute. The UA rule
   for it is `display: none` at the lowest precedence, so any author `display:`
   on the same element silently wins and the panel stays visible (`.login` is
   `display: grid`, and covered the whole app until this rule existed). */
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 15px; margin: 0 0 10px; }
h3 { font-size: 14px; margin: 16px 0 6px; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.error { color: var(--err); }
.loading { color: var(--muted); }

.topbar {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
  padding: 10px 16px; background: var(--panel);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5;
}
.topbar .brand { display: flex; gap: 8px; align-items: baseline; }
.topbar nav { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.topbar nav a {
  padding: 6px 10px; border-radius: 8px; text-decoration: none; color: var(--text);
}
.topbar nav a[aria-current="page"] { background: var(--accent); color: #fff; }
.topbar .actions { display: flex; gap: 8px; align-items: center; }
main { padding: 16px; max-width: 1200px; margin: 0 auto; }
.section-title { margin: 22px 0 10px; }

.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow);
}
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.kv { display: flex; justify-content: space-between; gap: 10px; padding: 3px 0; }
.kv span:last-child { font-variant-numeric: tabular-nums; }
.big { font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; }

.bar { height: 8px; background: var(--border); border-radius: 999px; overflow: hidden; margin: 8px 0 4px; }
.bar > div { height: 100%; background: var(--ok); }
.bar.warn > div { background: var(--warn); }
.bar.over > div { background: var(--err); }

button {
  font: inherit; padding: 6px 12px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--accent); background: var(--accent); color: #fff;
}
button.secondary { background: transparent; color: var(--accent); }
button.ghost { background: transparent; color: var(--muted); border-color: var(--border); }
button.danger { background: transparent; color: var(--err); border-color: var(--err); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
input, select, textarea {
  font: inherit; padding: 6px 8px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--panel); color: var(--text); max-width: 100%;
}
textarea { width: 100%; min-height: 74px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

table { width: 100%; border-collapse: collapse; background: var(--panel); }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-weight: 600; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
tr:last-child td { border-bottom: none; }
tbody tr.clickable:hover { background: rgba(127, 127, 127, 0.08); cursor: pointer; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  font-size: 12px; border: 1px solid var(--border); white-space: nowrap;
}
.badge.ok { color: var(--ok); border-color: var(--ok); }
.badge.warn { color: var(--warn); border-color: var(--warn); }
.badge.err { color: var(--err); border-color: var(--err); }
.badge.info { color: var(--accent); border-color: var(--accent); }

.filters { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.pager { display: flex; gap: 10px; align-items: center; margin: 10px 0; }

.detail { margin-top: 16px; }
.detail header { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.detail .row { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
pre {
  background: rgba(127, 127, 127, 0.1); padding: 10px; border-radius: 8px;
  overflow: auto; max-height: 340px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; margin: 6px 0;
}
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { padding: 4px 0; border-bottom: 1px dashed var(--border); }
.setting { display: grid; gap: 6px; margin-bottom: 10px; }
.setting .head { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.setting .editor { display: flex; gap: 8px; align-items: flex-start; }
.setting .editor > *:first-child { flex: 1; }

.toast {
  position: fixed; right: 16px; bottom: 16px; max-width: 420px;
  background: var(--panel); border: 1px solid var(--border); border-left: 4px solid var(--accent);
  border-radius: 8px; padding: 10px 14px; box-shadow: 0 6px 24px rgba(16, 24, 40, 0.18);
}
.toast.err { border-left-color: var(--err); }
.login { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-card { width: min(380px, 100%); display: grid; gap: 8px; }
@media (max-width: 640px) {
  .topbar { align-items: flex-start; }
  .topbar nav { margin-left: 0; width: 100%; }
}