:root {
  color-scheme: light;
  --ink: #15211b;
  --muted: #68736d;
  --line: #dfe5e1;
  --paper: #ffffff;
  --canvas: #f4f6f4;
  --green: #16734a;
  --green-soft: #e6f3ec;
  --red: #b23a3a;
  --amber: #9b6415;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--canvas); color: var(--ink); font: 14px/1.45 Inter, ui-sans-serif, system-ui, -apple-system, sans-serif; }
.shell { width: min(1440px, calc(100% - 40px)); margin: 0 auto; padding: 36px 0 64px; }
.topbar { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 28px; }
.eyebrow { margin: 0 0 4px; color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: .16em; }
h1 { margin: 0; font-size: clamp(28px, 4vw, 42px); letter-spacing: -.04em; }
h2 { margin: 0; font-size: 15px; letter-spacing: -.01em; }
h3 { margin: 5px 0; font-size: 18px; }
.connection { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px var(--green-soft); }
.filters { display: grid; grid-template-columns: repeat(5, minmax(130px, 1fr)) auto auto; gap: 10px; padding: 16px; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; margin-bottom: 32px; }
label { display: grid; gap: 6px; color: var(--muted); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
select, input, button { height: 38px; border: 1px solid var(--line); border-radius: 7px; background: white; padding: 0 10px; color: var(--ink); font: inherit; }
button { align-self: end; border-color: var(--ink); background: var(--ink); color: white; cursor: pointer; font-weight: 700; }
button.secondary { background: white; color: var(--ink); border-color: var(--line); }
section { margin-bottom: 30px; }
.section-title { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 10px; }
.section-title span { color: var(--muted); font-size: 12px; }
.cards { display: grid; gap: 10px; }
.market-list { display: grid; gap: 10px; }
.subscription-summary { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; padding: 11px 14px; background: var(--paper); border: 1px solid var(--line); border-radius: 10px; }
.subscription-summary .card-label { flex: 0 0 auto; }
.subscription-summary strong { font-size: 12px; }
.market-panel { display: grid; grid-template-columns: 1fr 1.5fr 1fr 1.5fr; gap: 1px; overflow: hidden; background: var(--line); border: 1px solid var(--line); border-radius: 10px; }
.webhook-panel { display: grid; grid-template-columns: 1fr 2fr 1.5fr; gap: 1px; overflow: hidden; background: var(--line); border: 1px solid var(--line); border-radius: 10px; }
.market-panel > div { min-height: 92px; padding: 18px; background: var(--paper); }
.webhook-panel > div { min-height: 92px; padding: 18px; background: var(--paper); }
.market-symbol, .market-price, .market-status, .market-update { display: block; margin-top: 10px; font-size: 20px; }
.market-price { font-size: 25px; letter-spacing: -.03em; }
.market-status { color: var(--green); font-size: 13px; letter-spacing: .06em; }
.market-status.stale { color: var(--amber); }
.market-status.disconnected { color: var(--red); }
.market-status.error { color: var(--red); }
.market-update { color: var(--muted); font-size: 13px; font-weight: 650; }
.webhook-status, .webhook-signal, .webhook-update { display: block; margin-top: 10px; }
.webhook-status { color: var(--amber); font-size: 13px; letter-spacing: .06em; }
.webhook-status.accepted { color: var(--green); }
.webhook-status.rejected { color: var(--red); }
.webhook-signal { font-size: 16px; }
.webhook-update { color: var(--muted); font-size: 13px; }
.cards-three { grid-template-columns: repeat(3, 1fr); }
.cards-five { grid-template-columns: repeat(5, 1fr); }
.card { padding: 18px; min-height: 98px; background: var(--paper); border: 1px solid var(--line); border-radius: 10px; }
.card-label { display: block; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.card-value { display: block; margin-top: 10px; font-size: 27px; font-weight: 750; letter-spacing: -.035em; }
.positive { color: var(--green); } .negative { color: var(--red); }
.table-wrap { overflow-x: auto; background: var(--paper); border: 1px solid var(--line); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 13px 16px; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
th { color: var(--muted); background: #fafbfa; font-size: 10px; letter-spacing: .07em; text-transform: uppercase; }
tr:last-child td { border-bottom: 0; }
.signal-name { font-weight: 700; } .subtle { color: var(--muted); font-size: 11px; }
.badge { display: inline-flex; padding: 3px 7px; border-radius: 999px; background: var(--green-soft); color: var(--green); font-size: 10px; font-weight: 800; }
.badge.closed { color: var(--muted); background: #edf0ee; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.compact th, .compact td { padding: 11px 12px; }
.empty { padding: 30px !important; color: var(--muted); text-align: center !important; }
.observation-detail { margin-top: 12px; padding: 18px; background: var(--paper); border: 1px solid var(--line); border-radius: 10px; }
.detail-head { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 16px; }
.detail-metrics { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 16px; color: var(--muted); }
.detail-metrics strong { display: block; color: var(--ink); text-align: right; }
.scanner-value { font-size: 20px; }
.scanner-config { display: grid; grid-template-columns: 1fr 1fr 1.5fr 1.5fr; gap: 12px; margin-top: 10px; padding: 16px; background: var(--paper); border: 1px solid var(--line); border-radius: 10px; }
.scanner-config form { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 8px; }
.config-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
button.config-tag { height: 28px; padding: 0 9px; border: 1px solid var(--line); background: var(--green-soft); color: var(--green); border-radius: 999px; font-size: 11px; }
.error { position: fixed; right: 20px; bottom: 20px; max-width: 420px; padding: 12px 16px; border-radius: 8px; background: #fff0f0; color: var(--red); border: 1px solid #efcaca; }

@media (max-width: 1050px) {
  .filters { grid-template-columns: repeat(3, 1fr); }
  .cards-five { grid-template-columns: repeat(3, 1fr); }
  .split { grid-template-columns: 1fr; }
  .market-panel { grid-template-columns: 1fr 1fr; }
  .webhook-panel { grid-template-columns: 1fr; }
  .scanner-config { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .shell { width: min(100% - 24px, 1440px); padding-top: 24px; }
  .topbar { align-items: flex-start; }
  .filters, .cards-three, .cards-five { grid-template-columns: 1fr 1fr; }
  .card-value { font-size: 23px; }
  .market-panel { grid-template-columns: 1fr; }
  .scanner-config { grid-template-columns: 1fr; }
}