:root {
  --bg: #0f1419;
  --panel: #1a212b;
  --panel-border: #2a3441;
  --text: #e6edf3;
  --muted: #9aa7b4;
  --accent: #4cc2ff;
  --warn: #d29922;
  --bad: #f85149;
  --good: #3fb950;
  /* chart series — validated (dataviz six checks) against the panel surface */
  --s1: #2b97d6;
  --s2: #c08a1e;
  --s3: #3fae52;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.5;
}

header, main, footer { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
header { padding-top: 32px; }

h1 { margin: 0 0 8px; font-size: 1.8rem; }
.subtitle { color: var(--muted); max-width: 92ch; }
.subtitle a { color: var(--accent); }

.repo-link { margin: 6px 0 0; font-size: 0.85rem; }
.repo-link a { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); text-decoration: none; }
.repo-link a:hover { color: var(--accent); }
.repo-link svg { display: block; }

.data-note {
  margin-top: 12px; padding: 8px 12px; border-radius: 8px;
  background: #3a2f12; color: #e3c06b; font-size: 0.85rem; max-width: 92ch;
}

.status { display: inline-block; margin-top: 8px; padding: 6px 12px; border-radius: 999px; font-size: 0.85rem; font-weight: 600; }
.status--loading { background: #3a2f12; color: var(--warn); }
.status--ready   { background: #12331c; color: var(--good); }
.status--error   { background: #3a1414; color: var(--bad); }

main { margin-top: 24px; display: flex; flex-direction: column; gap: 20px; }
.panel { background: var(--panel); border: 1px solid var(--panel-border); border-radius: 12px; padding: 20px; }
.panel h2 { margin: 0 0 12px; font-size: 1.2rem; }
.panel h3 { margin: 14px 0 6px; font-size: 0.95rem; font-weight: 600; }
.muted { color: var(--muted); font-weight: 400; }
.small { font-size: 0.82rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.stat { background: #0f1620; border: 1px solid var(--panel-border); border-radius: 10px; padding: 12px 14px; }
.stat .v { font-size: 1.45rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat .l { color: var(--muted); font-size: 0.76rem; margin-top: 2px; }
.stat--accent .v { color: var(--accent); }
.stat--good .v { color: var(--good); }
.stat--warn .v { color: var(--warn); }
.stat--bad .v { color: var(--bad); }

.chart-block { margin-top: 10px; position: relative; }
canvas { width: 100%; height: auto; border-radius: 8px; background: var(--panel); display: block; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
/* let grid items shrink below their table's intrinsic width so .table-wrap
   scrolls internally instead of overflowing the page on mobile */
.two-col > * { min-width: 0; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }

.tooltip {
  position: absolute; pointer-events: none; display: none; z-index: 5;
  background: rgba(11, 17, 24, 0.95); border: 1px solid var(--panel-border);
  border-radius: 8px; padding: 8px 10px; font-size: 0.78rem; line-height: 1.5;
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
.tooltip .t-ym { color: var(--muted); }
.tooltip .k { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 6px; }

.levers { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; }
.lever { background: #0f1620; border: 1px solid var(--panel-border); border-radius: 10px; padding: 12px 14px; }
.lever label { display: block; font-size: 0.8rem; font-weight: 600; margin-bottom: 6px; }
.lever input[type="range"] { width: 100%; accent-color: var(--accent); }
.lever .val { font-variant-numeric: tabular-nums; color: var(--accent); font-weight: 700; }
.lever .bench { color: var(--muted); font-size: 0.72rem; margin-top: 2px; }

.row-between { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.actions { display: flex; gap: 8px; }
.btn { font: inherit; font-weight: 600; border-radius: 8px; padding: 7px 14px; cursor: pointer; border: 1px solid transparent; }
.btn--ghost { background: transparent; border-color: var(--panel-border); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); }

.table-wrap { width: 100%; overflow-x: auto; margin-top: 6px; }
table { width: 100%; border-collapse: collapse; font-size: 0.84rem; font-variant-numeric: tabular-nums; }
th, td { padding: 7px 9px; border-bottom: 1px solid var(--panel-border); text-align: left; white-space: nowrap; }
th.num, td.num { text-align: right; }
thead th { color: var(--muted); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.03em; position: sticky; top: 0; background: var(--panel); }
tbody tr { cursor: pointer; }
tbody tr:hover { background: #12283a; }
tbody tr.sel { background: #12283a; box-shadow: inset 3px 0 0 var(--accent); }
td .pill { display: inline-block; min-width: 52px; text-align: right; padding: 1px 7px; border-radius: 999px; font-weight: 600; }
.pill--good { background: rgba(63, 185, 80, 0.15); color: var(--good); }
.pill--warn { background: rgba(210, 153, 34, 0.15); color: var(--warn); }
.pill--bad  { background: rgba(248, 81, 73, 0.15); color: var(--bad); }

.roadmap { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; }
.phase { background: #0f1620; border: 1px solid var(--panel-border); border-radius: 10px; padding: 12px 14px; font-size: 0.85rem; color: var(--muted); }
.phase strong { color: var(--text); }
.phase.done { border-color: var(--good); }
.phase.done strong { color: var(--good); }

.flag { display: inline-flex; align-items: center; justify-content: center; width: 15px; height: 15px;
  border-radius: 50%; background: rgba(248, 81, 73, 0.18); color: var(--bad);
  font-weight: 800; font-size: 11px; line-height: 1; cursor: help; vertical-align: 1px; }

.canvas-scroll { width: 100%; overflow-x: auto; margin-top: 10px; }
.canvas-scroll canvas { display: block; }

/* 100% stacked stream-mix spark bar (diagnostics table) */
.sparkmix { display: inline-flex; width: 96px; height: 9px; border-radius: 3px; overflow: hidden;
  vertical-align: middle; background: #0f1620; }
.sparkmix span { height: 100%; }
.mixk { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin: 0 4px 0 2px; vertical-align: -1px; }

.prov { margin-top: 8px; }
.prov summary { cursor: pointer; color: var(--accent); font-size: 0.82rem; font-weight: 600; }
.prov summary:hover { text-decoration: underline; }
.prov > div { margin-top: 8px; color: var(--muted); }
.prov > div p { margin: 0 0 8px; }
.prov code { color: var(--accent); }

.steps { padding-left: 22px; }
.steps li { margin-bottom: 10px; line-height: 1.5; }

footer { padding: 24px 20px 40px; color: var(--muted); font-size: 0.85rem; }
footer a, footer code { color: var(--accent); }

.crumbs { margin: 6px 0 0; font-size: 0.85rem; }
.crumbs a { color: var(--accent); text-decoration: none; }