:root {
  --bg: #f4f2ec;
  --ink: #1c1b18;
  --muted: #5c5a54;
  --line: #d4d0c6;
  --card: #fffcf6;
  --banner: #3d3420;
  --banner-ink: #f6e7b8;
  --ok: #1f6b3a;
  --ok-bg: #e4f3e8;
  --warn: #8a5a00;
  --warn-bg: #f8edd0;
  --alarm: #8b1e1e;
  --alarm-bg: #f8e2e0;
  --gap: #4a4f57;
  --gap-bg: #e7e9ed;
  --chart: #24364d;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font: 15px/1.45 "Source Sans 3", "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
.banner {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--banner);
  color: var(--banner-ink);
  text-align: center;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.85rem;
  padding: 0.55rem 1rem;
  border-bottom: 2px solid #c4a35a;
}
.page-header {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: flex-end;
  padding: 1.4rem 1.6rem 0.4rem;
  flex-wrap: wrap;
}
.kicker {
  margin: 0 0 0.2rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: var(--muted);
}
h1 { margin: 0 0 0.4rem; font-size: 1.7rem; font-weight: 650; }
.lede, .scenario-desc { margin: 0; color: var(--muted); max-width: 46rem; }
.scenario-desc { padding: 0.2rem 1.6rem 1rem; }
.scenario-picker {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.scenario-picker select {
  font: 1rem/1.3 inherit;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  padding: 0.45rem 0.6rem;
  min-width: 14rem;
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
  gap: 1rem;
  padding: 0 1.6rem 1.6rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.9rem 1rem 1rem;
}
.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.7rem;
}
.card h2 { margin: 0; font-size: 1.1rem; }
.badge {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.18rem 0.45rem;
  border-radius: 3px;
}
.badge.ok { color: var(--ok); background: var(--ok-bg); }
.badge.warn { color: var(--warn); background: var(--warn-bg); }
.badge.alarm { color: var(--alarm); background: var(--alarm-bg); }
.badge.data_gap { color: var(--gap); background: var(--gap-bg); }
.channel { margin-top: 0.85rem; padding-top: 0.7rem; border-top: 1px solid var(--line); }
.channel-head, .channel-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: baseline;
}
.channel-head { font-weight: 600; }
.channel-meta { color: var(--muted); font-size: 0.82rem; margin: 0.15rem 0 0.35rem; }
.chart { width: 100%; height: 72px; display: block; background: #f7f5ef; border: 1px solid #ece8de; }
.log-section { padding: 0 1.6rem 2.5rem; }
.log-head { display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; flex-wrap: wrap; }
h2 { font-size: 1.1rem; margin: 0 0 0.4rem; }
.log-note { margin: 0; color: var(--muted); font-size: 0.85rem; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); background: var(--card); }
table { width: 100%; border-collapse: collapse; font-size: 0.86rem; }
th, td { text-align: left; padding: 0.4rem 0.55rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 650; }
tbody tr:last-child td { border-bottom: 0; }
.type-pill { font-weight: 650; }
.type-pill.threshold_alarm, .type-pill.zscore_alarm, .type-pill.ewma_alarm { color: var(--alarm); }
.type-pill.threshold_warn, .type-pill.zscore_warn, .type-pill.ewma_warn { color: var(--warn); }
.type-pill.data_gap { color: var(--gap); }
footer {
  border-top: 1px solid var(--line);
  padding: 0.9rem 1.6rem 1.4rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.empty { color: var(--muted); padding: 0.8rem; }