/* treinmatrix — minimal observability-tool styling.
   No decoration. Density over whitespace. Read like a console. */
:root {
  --bg: #0b0d10;
  --bg-alt: #11141a;
  --bg-card: #161a22;
  --border: #232a36;
  --fg: #d6dde6;
  --fg-dim: #8b95a5;
  --accent: #5ce1b9;
  --warn: #f5b14a;
  --bad: #ff5b65;
  --good: #5ce1b9;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); font-family: ui-monospace, "JetBrains Mono", "Fira Code", Menlo, monospace; font-size: 13px; }

.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 10px 18px; border-bottom: 1px solid var(--border); background: var(--bg-alt);
}
.brand { font-weight: 600; font-size: 14px; letter-spacing: 0.5px; }
.brand-sub { color: var(--fg-dim); margin-left: 8px; font-weight: 400; }
.tabs { display: flex; gap: 4px; }
.tab { background: transparent; border: 1px solid var(--border); color: var(--fg-dim); padding: 6px 12px; cursor: pointer; font-family: inherit; font-size: 12px; border-radius: 3px; }
.tab:hover { color: var(--fg); border-color: var(--accent); }
.tab.is-active { color: var(--bg); background: var(--accent); border-color: var(--accent); }
.status { margin-left: auto; color: var(--fg-dim); display: flex; align-items: center; gap: 6px; }
.dot { color: var(--bad); }
.dot.ok { color: var(--good); }

main { padding: 16px; }
.page { display: none; }
.page.is-visible { display: block; }

.grid { display: grid; gap: 12px; grid-template-columns: repeat(4, 1fr); margin-bottom: 12px; }
.grid.two { grid-template-columns: 1fr 1fr; }
@media (max-width: 1100px) { .grid { grid-template-columns: repeat(2, 1fr); } .grid.two { grid-template-columns: 1fr; } }

.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 4px; padding: 14px 16px; }
.card-title { font-size: 12px; text-transform: uppercase; letter-spacing: 0.8px; color: var(--fg-dim); margin-bottom: 10px; }
.card-hint { font-size: 11px; color: var(--fg-dim); margin: -6px 0 12px; }
.hidden { display: none; }

.kpi-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.8px; color: var(--fg-dim); }
.kpi-value { font-size: 28px; font-weight: 600; margin: 6px 0 4px; }
.kpi-unit { font-size: 14px; color: var(--fg-dim); margin-left: 4px; }
.kpi-sub { font-size: 11px; color: var(--fg-dim); }
#trend-card.degrading .kpi-value { color: var(--bad); }
#trend-card.improving .kpi-value { color: var(--good); }
#trend-card.stable .kpi-value { color: var(--fg-dim); }

table.data { width: 100%; border-collapse: collapse; }
table.data th, table.data td { text-align: left; padding: 4px 8px; border-bottom: 1px solid var(--border); font-weight: 400; }
table.data th { color: var(--fg-dim); font-size: 11px; text-transform: uppercase; letter-spacing: 0.6px; }
table.data td { font-size: 12px; }
table.data .num { text-align: right; font-variant-numeric: tabular-nums; }
table.data tr:hover td { background: rgba(92, 225, 185, 0.04); }
.bad { color: var(--bad); }
.warn { color: var(--warn); }
.dim { color: var(--fg-dim); font-size: 11px; margin-left: 4px; }
.kpi-row { display: flex; gap: 8px; margin: -4px 0 12px; flex-wrap: wrap; }
.kpi-pill { display: inline-flex; align-items: baseline; gap: 5px; padding: 4px 10px; border: 1px solid var(--border); border-radius: 3px; font-size: 11px; color: var(--fg-dim); background: var(--bg-alt); }
.kpi-pill span { color: var(--fg); font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums; }
.status-rescue  { color: var(--ok, #5ce1b9); font-weight: 600; }
.status-extra   { color: var(--warn); font-weight: 600; }
.status-planned { color: var(--fg-dim); font-weight: 600; }
.status-orphan  { color: var(--bad); font-weight: 600; }

.cascade-list { display: flex; flex-direction: column; gap: 12px; }
.cascade-root { border: 1px solid var(--border); border-radius: 3px; padding: 10px 12px; background: var(--bg-alt); }
.cascade-root-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.cascade-root-title { font-weight: 600; }
.cascade-root-meta { color: var(--fg-dim); font-size: 11px; }
.cascade-children { margin: 0; padding-left: 18px; color: var(--fg-dim); font-size: 12px; }
.cascade-children li { margin: 2px 0; }
.confidence { display: inline-block; width: 32px; text-align: right; color: var(--accent); }

.dossier-list { display: flex; flex-direction: column; }
.dossier-row { display: grid; grid-template-columns: 70px 1fr 130px 100px 80px; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--border); cursor: pointer; align-items: center; }
.dossier-row:hover { background: rgba(92, 225, 185, 0.04); }
.dossier-feed { font-size: 10px; color: var(--fg-dim); text-transform: uppercase; }
.dossier-name { color: var(--fg); }
.dossier-cause { display: block; color: var(--fg-dim); font-size: 11px; margin-top: 2px; }
.dossier-time { color: var(--fg-dim); font-size: 11px; text-align: right; }
.dossier-updates { color: var(--fg-dim); font-size: 11px; text-align: right; }
.dossier-chronic { color: var(--bad); font-weight: 600; font-size: 11px; text-transform: uppercase; }

.btn { background: transparent; border: 1px solid var(--border); color: var(--fg); padding: 5px 12px; cursor: pointer; font-family: inherit; font-size: 12px; border-radius: 3px; margin-top: 12px; }
.btn:hover { border-color: var(--accent); color: var(--accent); }

#dossier-detail .timeline-event { display: grid; grid-template-columns: 160px 100px 1fr; padding: 4px 0; border-bottom: 1px dashed var(--border); font-size: 12px; }
#dossier-detail .timeline-event .time { color: var(--fg-dim); }