:root {
  --bg: #f4f6f8; --card: #ffffff; --text: #1d2733; --muted: #6b7785; --line: #e1e6eb;
  --primary: #1f6feb; --primary-text: #ffffff; --danger: #c93c37;
  --ok-bg: #dff5e6; --ok: #1a7f37; --bad-bg: #fde4e2; --bad: #b42318;
  --warn-bg: #fff4d6; --warn: #9a6700; --attn-bg: #e4ecff; --attn: #1f4fbf;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141a; --card: #171e26; --text: #dce3ea; --muted: #8b97a5; --line: #29323d;
    --primary: #4c8dff; --danger: #f06a63;
    --ok-bg: #16331f; --ok: #56d37a; --bad-bg: #3a1a1a; --bad: #ff8a80;
    --warn-bg: #3a2f10; --warn: #f2c14e; --attn-bg: #172a4d; --attn: #8fb3ff;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.4rem; margin: 0 0 1rem; display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
h2 { font-size: 1.05rem; margin: 0 0 .75rem; display: flex; justify-content: space-between; align-items: baseline; }
h3 { font-size: .95rem; margin: 1.25rem 0 .5rem; }
main { max-width: 1280px; margin: 0 auto; padding: 16px; }

.topbar { display: flex; align-items: center; gap: 1rem; padding: .6rem 16px;
  background: var(--card); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.brand { font-weight: 700; color: var(--text); }
.topbar nav { display: flex; gap: .25rem; flex-wrap: wrap; }
.topbar nav a { padding: .35rem .7rem; border-radius: 6px; color: var(--muted); }
.topbar nav a.on, .topbar nav a:hover { background: var(--bg); color: var(--text); text-decoration: none; }
.logout { margin-left: auto; display: flex; gap: .5rem; align-items: center; }
.statusbar { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; padding: .4rem 16px;
  font-size: .85rem; color: var(--muted); border-bottom: 1px solid var(--line); }
.statusbar form { margin-left: auto; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; margin-bottom: 16px; min-width: 0; }
.card.flush { padding: 0; }
.card.narrow { max-width: 380px; margin: 8vh auto; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 16px; }
.grid2 > .card { margin-bottom: 0; }
.grid2 { margin-bottom: 16px; }
.head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.head h1 { margin: 0; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; color: var(--text); display: flex; flex-direction: column; }
.tile:hover { text-decoration: none; border-color: var(--primary); }
.tile b { font-size: 1.8rem; font-variant-numeric: tabular-nums; }
.tile span { color: var(--muted); font-size: .85rem; }
.tile.attn { border-color: var(--primary); background: var(--attn-bg); }

.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .88em; }
.small { font-size: .82rem; }
.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }

.pill { display: inline-block; padding: .1rem .55rem; border-radius: 999px; font-size: .78rem; font-weight: 600; white-space: nowrap; }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }
.pill.muted { background: var(--bg); color: var(--muted); }
.pill.attn { background: var(--attn-bg); color: var(--attn); }
.sig { font-variant-numeric: tabular-nums; font-weight: 600; }
.sig.ok { color: var(--ok); } .sig.warn { color: var(--warn); } .sig.bad { color: var(--bad); } .sig.muted { color: var(--muted); }

.flash { padding: .7rem 1rem; border-radius: 8px; margin-bottom: 16px; }
.flash.ok { background: var(--ok-bg); color: var(--ok); }
.flash.error { background: var(--bad-bg); color: var(--bad); }

.btn { display: inline-block; border: 1px solid var(--line); background: var(--card); color: var(--text);
  padding: .45rem .9rem; border-radius: 7px; font: inherit; cursor: pointer; }
.btn:hover { border-color: var(--primary); text-decoration: none; }
.btn.small { padding: .2rem .6rem; font-size: .82rem; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.wide { width: 100%; margin-top: .5rem; }
.btn:disabled { opacity: .55; cursor: wait; }
button.link { background: none; border: 0; color: var(--primary); cursor: pointer; font: inherit; padding: 0; }

label { display: flex; flex-direction: column; gap: .25rem; font-size: .85rem; color: var(--muted); margin-bottom: .6rem; }
input, select, textarea { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line);
  border-radius: 7px; padding: .45rem .6rem; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
.fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0 12px; }
.fields .wide { grid-column: 1 / -1; }
form.inline { display: inline; }
form.row { display: flex; gap: .5rem; margin: .5rem 0; }
form.row input { flex: 1; }
.search { display: flex; gap: .5rem; flex-wrap: wrap; }
.search input { width: 300px; max-width: 100%; }
.search select { width: auto; }
.tabs { display: flex; gap: .25rem; }
.tabs a { padding: .35rem .8rem; border-radius: 6px; border: 1px solid var(--line); background: var(--card); color: var(--text); }
.tabs a.on { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }

dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1rem; margin: 0; }
dl.kv dt { color: var(--muted); font-size: .85rem; }
dl.kv dd { margin: 0; }
details.danger-zone { margin-top: 1.25rem; border-top: 1px solid var(--line); padding-top: .75rem; }
details.danger-zone summary { cursor: pointer; color: var(--danger); font-size: .9rem; }

@media (max-width: 600px) {
  .grid2 { grid-template-columns: 1fr; }
  form.row { flex-direction: column; }
  .logout { margin-left: 0; }
}