:root {
  --bg: #f4f6fa;
  --card: #ffffff;
  --text: #1b2430;
  --muted: #667085;
  --border: #e3e8ef;
  --primary: #0b5fff;
  --primary-dark: #0747c0;
  --ok-bg: #e6f6ee; --ok-fg: #0e6b3a;
  --warn-bg: #fff4dc; --warn-fg: #8a5a00;
  --bad-bg: #fde8e8; --bad-fg: #a61b1b;
  --info-bg: #e8f0ff; --info-fg: #1b4ec2;
  --muted-bg: #eef1f5; --muted-fg: #4b5563;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text); background: var(--bg);
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 24px; margin: 0; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
h2 { font-size: 17px; margin: 0 0 12px; }
h3 { font-size: 15px; margin: 18px 0 6px; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92em; }
code { background: var(--muted-bg); padding: 1px 5px; border-radius: 4px; }
pre { background: #0f172a; color: #e2e8f0; padding: 12px; border-radius: 8px; overflow: auto; font-size: 12.5px; max-height: 420px; }
pre.pre-wrap { white-space: pre-wrap; background: var(--muted-bg); color: var(--text); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.nowrap { white-space: nowrap; }
.trunc { max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.topbar { background: var(--card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; }
.topbar-inner { display: flex; align-items: center; gap: 24px; height: 56px; }
.brand { font-weight: 700; color: var(--text); font-size: 16px; }
.topbar nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.topbar nav a { padding: 6px 10px; border-radius: 6px; color: var(--muted); font-weight: 500; }
.topbar nav a:hover { background: var(--muted-bg); color: var(--text); text-decoration: none; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
main.wrap { padding-top: 24px; padding-bottom: 60px; }

.page-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); margin-bottom: 20px; }
.card.highlight { border-color: #b7cdff; background: #f5f8ff; }
.card.empty { text-align: center; padding: 48px; }
.card.narrow { max-width: 420px; margin: 60px auto; }
details.card summary { cursor: pointer; font-weight: 600; }
.table-wrap { padding: 0; overflow-x: auto; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 800px) { .grid-2 { grid-template-columns: 1fr; } }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); color: inherit; }
.stat.alert { border-color: #f3b4b4; background: var(--bad-bg); }
.stat-label { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
.stat-value { font-size: 26px; font-weight: 700; margin-top: 2px; }
.stat-value.small { font-size: 16px; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; letter-spacing: .02em; vertical-align: middle; }
.badge.ok { background: var(--ok-bg); color: var(--ok-fg); }
.badge.warn { background: var(--warn-bg); color: var(--warn-fg); }
.badge.bad { background: var(--bad-bg); color: var(--bad-fg); }
.badge.info { background: var(--info-bg); color: var(--info-fg); }
.badge.muted { background: var(--muted-bg); color: var(--muted-fg); }

.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; border: 1px solid transparent; }
.flash.ok { background: var(--ok-bg); color: var(--ok-fg); border-color: #b9e4cb; }
.flash.bad { background: var(--bad-bg); color: var(--bad-fg); border-color: #f3b4b4; }
.flash form.inline { display: inline; margin-left: 8px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: #fafbfd; }
tbody tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
td.desc { max-width: 320px; }
td:first-child a { white-space: nowrap; }
td.actions { white-space: nowrap; text-align: right; }
tr.detail-row td { padding-top: 0; background: #fafbfd; }
tr.detail-row details summary { cursor: pointer; color: var(--muted); font-size: 13px; }

form.filters { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.tabs { display: flex; gap: 4px; background: var(--muted-bg); padding: 4px; border-radius: 8px; }
.tab { padding: 6px 12px; border-radius: 6px; color: var(--muted); font-weight: 500; font-size: 14px; }
.tab.active { background: var(--card); color: var(--text); box-shadow: var(--shadow); }
.tab:hover { text-decoration: none; color: var(--text); }
form.filters input[type=search] { min-width: 280px; }

label { display: block; font-weight: 500; margin-bottom: 14px; }
label .muted { font-weight: 400; }
label.check, label.radio { display: flex; align-items: center; gap: 8px; font-weight: 500; }
label.check input, label.radio input { width: auto; margin: 0; }
input, select, textarea {
  display: block; width: 100%; margin-top: 6px; padding: 9px 11px; font: inherit; color: var(--text);
  border: 1px solid #cfd6e0; border-radius: 8px; background: #fff;
}
input:focus, select:focus, textarea:focus { outline: 2px solid #b7cdff; border-color: var(--primary); }
input[readonly] { background: #f7f9fc; }
.form-grid .row { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-start; }
.form-grid .row > label { flex: 0 0 160px; }
.form-grid .row > label.grow { flex: 1 1 200px; }
.form-grid .row.end { justify-content: flex-end; align-items: center; }
details > summary { cursor: pointer; font-weight: 500; margin-bottom: 12px; }

button, .button {
  display: inline-block; font: inherit; font-weight: 600; font-size: 14px; padding: 8px 14px; border-radius: 8px; cursor: pointer;
  background: var(--card); color: var(--text); border: 1px solid #cfd6e0; text-decoration: none; line-height: 1.3;
}
button:hover, .button:hover { background: #f7f9fc; text-decoration: none; }
button.primary, .button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.primary:hover, .button.primary:hover { background: var(--primary-dark); }
button.danger { color: var(--bad-fg); border-color: #f3b4b4; }
button.danger:hover { background: var(--bad-bg); }
button.small { padding: 4px 10px; font-size: 12.5px; }
button.link { background: none; border: 0; color: var(--muted); padding: 0; font-weight: 500; }
button.link:hover { color: var(--text); text-decoration: underline; }
button[disabled] { opacity: .5; cursor: not-allowed; }

.linkbox { display: flex; gap: 8px; align-items: center; margin: 6px 0 10px; }
.linkbox input { margin: 0; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 14px; }
.linkbox button, .linkbox .button { white-space: nowrap; }

dl { display: grid; grid-template-columns: 150px 1fr; gap: 8px 16px; margin: 0; }
dt { color: var(--muted); font-size: 13px; padding-top: 2px; }
dd { margin: 0; word-break: break-word; }

.action-list form { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.action-list form .muted { font-size: 13px; }

body.bare { padding: 16px; }
.brand-title { font-size: 20px; margin-bottom: 16px; }

/* ---------- Mobile ---------- */
@media (hover: none) and (pointer: coarse) {
  button, .button { min-height: 40px; }
  .topbar nav a { padding: 8px 12px; }
}

@media (max-width: 720px) {
  body { font-size: 15px; }
  h1 { font-size: 20px; }
  h2 { font-size: 16px; }

  /* Top bar: brand + mode on the first row, scrollable nav underneath */
  .topbar-inner { height: auto; flex-wrap: wrap; gap: 0 12px; padding-top: 10px; }
  .brand { flex: 1; }
  .topbar-right { gap: 10px; }
  .topbar nav {
    order: 3; flex: 1 1 100%; flex-wrap: nowrap; gap: 2px; overflow-x: auto; margin: 6px -16px 0; padding: 0 12px 8px;
    scrollbar-width: none; -webkit-overflow-scrolling: touch;
  }
  .topbar nav::-webkit-scrollbar { display: none; }
  .topbar nav a { white-space: nowrap; font-size: 14px; }
  main.wrap { padding-top: 16px; padding-bottom: 40px; }

  .page-head { margin-bottom: 14px; }
  .page-head > .button { flex: 1 1 100%; text-align: center; }
  .card { padding: 14px; margin-bottom: 14px; }
  .card.empty { padding: 32px 16px; }
  .card.narrow { margin: 24px auto; }
  .grid-2 { gap: 14px; }

  .stats { grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 14px; }
  .stat { padding: 12px 14px; }
  .stat-value { font-size: 22px; }

  /* Filters */
  form.filters { flex-direction: column; align-items: stretch; }
  .tabs { overflow-x: auto; scrollbar-width: none; }
  .tabs::-webkit-scrollbar { display: none; }
  .tab { white-space: nowrap; flex: 1; text-align: center; }
  form.filters input[type=search] { min-width: 0; width: 100%; margin-top: 0; }

  /* Forms: 16px inputs stop iOS from zooming, every field gets its own row */
  input, select, textarea { font-size: 16px; padding: 10px 12px; }
  .form-grid .row > label, .form-grid .row > label.grow { flex: 1 1 100%; }
  .form-grid .row.end { flex-direction: column-reverse; align-items: stretch; }
  .form-grid .row.end button, .form-grid .row.end .button { width: 100%; text-align: center; }
  .linkbox { flex-wrap: wrap; }
  .linkbox input { flex: 1 1 100%; font-size: 13px; }
  .linkbox button, .linkbox .button { flex: 1; text-align: center; }
  .action-list form { align-items: stretch; flex-direction: column; gap: 4px; margin-bottom: 14px; }
  .action-list form button { width: 100%; }
  .flash form.inline { display: block; margin: 8px 0 0; }

  /* Definition lists stack */
  dl { grid-template-columns: 1fr; gap: 0; }
  dt { margin-top: 10px; }
  dt:first-child { margin-top: 0; }
  dd pre { max-width: 100%; }

  pre { font-size: 12px; padding: 10px; }
  .trunc { max-width: none; white-space: normal; word-break: break-all; }

  /* Tables marked .cards turn into stacked cards; others keep scrolling sideways */
  table.cards, table.cards tbody { display: block; }
  table.cards thead { display: none; }
  table.cards tr { display: block; padding: 12px 14px; border-bottom: 1px solid var(--border); }
  table.cards tbody tr:last-child { border-bottom: 0; }
  table.cards td {
    display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
    padding: 3px 0; border: 0; text-align: left; white-space: normal; max-width: none;
  }
  table.cards td[data-label]::before {
    content: attr(data-label); flex: 0 0 84px; font-size: 11px; text-transform: uppercase; letter-spacing: .04em;
    color: var(--muted); font-weight: 600; padding-top: 3px;
  }
  table.cards td:not([data-label]) { display: block; }
  table.cards td.actions { justify-content: flex-start; padding-top: 8px; }
  table.cards td.actions button { width: 100%; }
  table.cards td.num { font-weight: 600; }
  table.cards tr.detail-row { padding-top: 0; background: transparent; }
  table.cards tr.detail-row td { padding: 0; }
  table.cards td details summary { margin: 0; }
  .table-wrap table.cards { min-width: 0; }
}