:root {
  --bg: #0f1419; --panel: #1a2129; --text: #e6e9ec; --muted: #8b96a3;
  --accent: #3fa7d6; --up: #3ecf8e; --down: #f2545b; --warn: #f5a524;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
.topbar { display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px; background: var(--panel); border-bottom: 1px solid #263040; }
.brand { font-weight: 600; color: var(--accent); }
.clock { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
.card { background: var(--panel); border-radius: 10px; padding: 16px 20px; margin-bottom: 16px; }
h1 { font-size: 20px; margin: 0 0 8px; }
.muted { color: var(--muted); }
.disclaimer { text-align: center; color: var(--muted); font-size: 12px; padding: 24px 16px; }
.topright { display: flex; align-items: center; gap: 14px; }
form.inline { display: inline; margin: 0; }
button { background: var(--accent); color: #fff; border: 0; border-radius: 6px;
  padding: 9px 16px; font: inherit; font-weight: 600; cursor: pointer; }
button.link { background: none; color: var(--muted); padding: 0; font-weight: 400; }
button.link:hover { color: var(--text); }
.narrow { max-width: 380px; margin: 48px auto; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.stack label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 13px; }
input { background: var(--bg); color: var(--text); border: 1px solid #2c3746; border-radius: 6px;
  padding: 9px 10px; font: inherit; }
input:focus { outline: 2px solid var(--accent); border-color: transparent; }
.error { color: var(--down); margin: 0 0 8px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.topbar nav { flex: 1; margin-left: 24px; display: flex; gap: 16px; }
.topbar nav a { color: var(--muted); }
.topbar nav a.on { color: var(--text); font-weight: 600; }
.small { font-size: 12px; }
h2 { font-size: 17px; margin: 0; }
.summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--panel); border-radius: 10px; padding: 14px 18px; display: flex; flex-direction: column; gap: 2px; }
.stat .label { color: var(--muted); font-size: 13px; }
.stat .big { font-size: 24px; font-weight: 600; font-variant-numeric: tabular-nums; }
.cardhead { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { padding: 8px 10px; border-bottom: 1px solid #263040; text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
tfoot td { font-weight: 600; border-bottom: 0; }
.num { text-align: right; white-space: nowrap; }
.up { color: var(--up); }
.down { color: var(--down); }
.btn { background: var(--accent); color: #fff; border-radius: 6px; padding: 9px 16px; font-weight: 600; }
.btn:hover { text-decoration: none; filter: brightness(1.1); }
.btn.small, button.small { padding: 6px 12px; font-size: 13px; }
.narrow.wide { max-width: 640px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > label { flex: 1; min-width: 140px; display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 13px; }
.row > label.grow { flex: 3; }
.row.actions { align-items: center; gap: 18px; }
select { background: var(--bg); color: var(--text); border: 1px solid #2c3746; border-radius: 6px; padding: 9px 10px; font: inherit; }
form.delete { margin-top: 24px; padding-top: 16px; border-top: 1px solid #263040; display: flex; align-items: center; gap: 14px; }
button.danger { background: var(--down); }
@media (max-width: 640px) { .hide-sm { display: none; } .topbar .clock { display: none; } }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin-bottom: 16px; }
.refresh { display: flex; align-items: center; gap: 12px; }
.heat { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 8px; margin-top: 10px; }
.heat .cell { border-radius: 8px; padding: 10px 12px; display: flex; flex-direction: column; gap: 2px;
  font-variant-numeric: tabular-nums; background: color-mix(in srgb, var(--up) calc(var(--a) * 70%), var(--bg)); }
.heat .cell[data-dir="down"] { background: color-mix(in srgb, var(--down) calc(var(--a) * 70%), var(--bg)); }
.heat .cell strong { font-size: 13px; }
.badge { background: var(--down); color: #fff; border-radius: 9px; padding: 1px 7px; font-size: 11px; font-weight: 700; }
.alert { padding: 10px 12px; border-radius: 8px; margin-bottom: 8px; border-left: 4px solid var(--muted); background: var(--bg); }
.alert.tier-heads_up { border-left-color: var(--accent); }
.alert.tier-alert { border-left-color: var(--warn); }
.alert.tier-urgent { border-left-color: var(--down); }
.tag { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; margin-right: 8px; color: var(--muted); }
.tag.tier-heads_up, .tier-heads_up .tag { color: var(--accent); }
.tag.tier-alert, .tier-alert .tag { color: var(--warn); }
.tag.tier-urgent, .tier-urgent .tag { color: var(--down); }
.facts { margin: 8px 0 12px; padding-left: 20px; }
.facts li { margin-bottom: 4px; }
.brief { white-space: pre-wrap; border-top: 1px solid #263040; padding-top: 12px; }
.rec, .rule { border: 1px solid #263040; border-radius: 8px; padding: 12px 14px; margin-bottom: 12px; }
.rec p { margin: 6px 0 10px; }
.rec-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.rec-head .push { margin-left: auto; }
button.secondary { background: #2c3746; }
.pill { font-size: 11px; font-weight: 700; text-transform: uppercase; border-radius: 9px; padding: 2px 8px; }
.pill.shadow { background: #2c3746; color: var(--muted); }
.pill.live { background: var(--up); color: #0f1419; }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 4px 12px; margin: 10px 0 0; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.toc { margin: 0 0 16px; }
td.best { font-weight: 700; color: var(--accent); }
html { scroll-behavior: smooth; }
@media (max-width: 640px) { .kv { grid-template-columns: 1fr; } }
@media (max-width: 640px) {
  .topbar .brand { display: none; }
  .topbar nav { margin-left: 0; gap: 14px; }
}