:root {
  --bg: #f6f5f1;
  --surface: #ffffff;
  --text: #1d1d1b;
  --muted: #6b6a64;
  --border: #dcdad2;
  --accent: #1f5f3f;
  --accent-text: #ffffff;
  --bar: #2e7d52;
  --bell: #e6e4dc;
  --series-home: #2a78d6;
  --series-away: #eb6834;
  --bad: #7a4fb5;
  --neutral: #a9a69b;
  --warn-bg: #fff5d6;
  --warn-border: #e6c55c;
  --error: #b3261e;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171816;
    --surface: #212320;
    --text: #e9e8e3;
    --muted: #9c9b94;
    --border: #3a3c37;
    --accent: #4fa577;
    --accent-text: #0e1a13;
    --bar: #62b688;
    --bell: #33352f;
    --series-home: #3987e5;
    --series-away: #d95926;
    --bad: #a07de0;
    --neutral: #6d6c64;
    --warn-bg: #3a3215;
    --warn-border: #8a7425;
    --error: #ff8a80;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 32px 24px 64px;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

header, main { max-width: 760px; margin: 0 auto; }

h1 { margin: 0 0 4px; font-size: 28px; }
h2 { margin: 32px 0 2px; font-size: 18px; word-break: break-all; }
.lede, .meta { margin: 0; color: var(--muted); }

.controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.button:disabled { opacity: 0.45; cursor: default; }
.button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

#status { color: var(--muted); }
#status.error { color: var(--error); }

.coach { font-weight: 700; }
.team, .rolls { color: var(--muted); font-weight: normal; font-size: 13px; }

.tabs { margin-top: 20px; }
.tab-list { display: flex; gap: 4px; border-bottom: 1px solid var(--border); }
.tab {
  margin-bottom: -1px;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: 6px 6px 0 0;
  background: none;
  color: var(--muted);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.tab:hover { color: var(--text); }
#tab-method { margin-left: auto; } /* set apart from the result tabs */
.tab[aria-selected="true"] { border-color: var(--border); border-bottom-color: var(--bg); background: var(--bg); color: var(--text); }
.tab:focus-visible, .tab-panel:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.warning {
  margin-top: 16px;
  padding: 10px 14px;
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: 6px;
  font-size: 14px;
}
.warning p { margin: 0; }
.warning ul { margin: 4px 0 0; padding-left: 20px; }
.warning .share { margin-top: 8px; }
.warning a { color: inherit; }

.chart-section { margin-top: 20px; }
.chart-section h3 { margin: 0 0 8px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; }
.chart-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chart {
  margin: 0;
  padding: 12px 12px 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.chart figcaption { margin-bottom: 4px; font-size: 14px; }
.chart .empty { color: var(--muted); }

/* Observable Plot marks (see charts.js) */
.face-chart, .bell-chart { background: transparent; color: var(--muted); font: 12px system-ui, -apple-system, "Segoe UI", sans-serif; }
.face-chart .bar { fill: var(--bar); }
.face-chart .label-in { fill: var(--accent-text); font-weight: 600; }
.face-chart .label-out { fill: var(--text); font-weight: 600; stroke: var(--surface); stroke-width: 5px; stroke-linejoin: round; paint-order: stroke; }
.face-chart .expected { stroke: var(--text); stroke-width: 2; }
.bell-chart { margin-top: 8px; }
.bell-chart .bell { fill: var(--bell); }
.bell-chart .marker { stroke: var(--text); stroke-width: 2; }
.odds { margin: 2px 0 6px; text-align: center; font-weight: 600; font-variant-numeric: tabular-nums; }

/* The face icons are black line art; flip them to white on a dark page. */
@media (prefers-color-scheme: dark) {
  .face-icon { filter: invert(1); }
}

.site-footer { max-width: 760px; margin: 48px auto 0; padding-top: 16px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; text-align: center; }
.site-footer p { margin: 0; }
.site-footer p + p { margin-top: 4px; }
.site-footer a { color: inherit; }

.tab-intro { margin: 16px 0 0; max-width: 680px; color: var(--muted); font-size: 14px; }

/* Method tab */
.method { max-width: 680px; margin-top: 16px; }
.method h3 { margin: 28px 0 8px; font-size: 16px; }
.method p, .method li { margin: 0 0 10px; }
.method ul { padding-left: 20px; }
.method-table { margin: 4px 0 12px; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: 14px; }
.method-table th, .method-table td { padding: 4px 10px; border: 1px solid var(--border); text-align: center; }
.method-table th { text-align: left; font-weight: 600; background: var(--surface); }

.explainer { margin-top: 32px; padding-top: 16px; border-top: 1px solid var(--border); color: var(--muted); font-size: 14px; }
.explainer h3 { margin: 0 0 8px; color: var(--text); font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; }
.explainer p { margin: 0 0 8px; }
.explainer strong { color: var(--text); }

/* Actions tab */
.dot-section { margin: 12px 0 4px; }
.dot-section h4 { margin: 0 -6px 4px; padding: 2px 6px; border-radius: 4px; font-size: 13px; font-weight: 600; cursor: default; }
.dot-section h4.hovered { background: var(--bg); }
.dot-row { display: grid; grid-template-columns: 2.2em 1fr auto; gap: 8px; align-items: start; margin: 0 -6px; padding: 3px 6px; border-radius: 4px; font-size: 13px; cursor: default; }
.dot-row.hovered { background: var(--bg); } /* set on both coaches' matching rows */
.dot-label { font-weight: 600; font-variant-numeric: tabular-nums; }
.dots { display: flex; flex-wrap: wrap; gap: 3px; padding-top: 3px; }
.dot { display: inline-block; width: 11px; height: 11px; border-radius: 50%; border: 2px solid var(--bar); box-sizing: border-box; }
.dot.pass, .dot.tier-2 { background: var(--bar); }
.dot.tier-1 { background: linear-gradient(90deg, var(--bar) 50%, transparent 50%); }
.dot-count { font-variant-numeric: tabular-nums; white-space: nowrap; }
.dot-expected { color: var(--muted); }
.dot-legend { margin-left: 8px; color: var(--muted); font-weight: normal; font-size: 12px; }
.dot-legend .dot { width: 9px; height: 9px; margin: 0 3px 0 6px; vertical-align: -1px; }

.chart.wide { padding-bottom: 8px; }
.series-key { margin: 0 0 6px; font-size: 13px; }
.key { display: inline-block; width: 16px; height: 0; margin: 0 6px 0 10px; vertical-align: middle; border-top: 2px solid; }
.key:first-child { margin-left: 0; }
.key-home { border-color: var(--series-home); }
.key-away { border-color: var(--series-away); }
.luck-line { --plot-background: var(--surface); background: transparent; color: var(--muted); font: 12px system-ui, -apple-system, "Segoe UI", sans-serif; }
.luck-line .series-home, .luck-line .series-away { stroke-width: 2px; stroke-linejoin: round; stroke-linecap: round; }
.luck-line .series-home { stroke: var(--series-home); }
.luck-line .series-away { stroke: var(--series-away); }
.luck-line .zero { stroke: var(--text); stroke-opacity: 0.5; }
.luck-line .crosshair { stroke: var(--muted); stroke-opacity: 0.6; }

/* Joined toggle buttons (one selected at a time) */
.segmented { display: flex; margin: 0 0 12px; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; background: var(--surface); }
.segmented button {
  flex: 1;
  padding: 7px 10px;
  border: 0;
  border-left: 1px solid var(--border);
  background: none;
  color: var(--text);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.segmented button:first-child { border-left: 0; }
.segmented button:hover { background: var(--bg); }
.segmented button[aria-checked="true"] { background: var(--accent); color: var(--accent-text); }
.segmented button:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

/* Rolls the action filter leaves out */
.dot.dimmed, .dot-row.dimmed, .dot-section h4.dimmed { opacity: 0.3; }
.dot-row.dimmed .dot.dimmed { opacity: 1; } /* the row is already dimmed */

/* Blocking tab: Sankey diagram (charts.js blockSankey) */
.chart-section h3 .team, .chart-section h3 .rolls { text-transform: none; letter-spacing: 0; font-weight: normal; }
.sankey { display: block; max-width: 100%; height: auto; font: 12px system-ui, -apple-system, "Segoe UI", sans-serif; }
.sankey .node.good { fill: var(--bar); }
.sankey .node.neutral { fill: var(--neutral); }
.sankey .node.bad { fill: var(--bad); }
.sankey .link { stroke-opacity: 0.35; }
.sankey .link:hover { stroke-opacity: 0.6; }
.sankey .link.good { stroke: var(--bar); }
.sankey .link.neutral { stroke: var(--neutral); }
.sankey .link.bad { stroke: var(--bad); }
.sankey .label { fill: var(--text); paint-order: stroke; stroke: var(--surface); stroke-width: 3px; stroke-linejoin: round; }
.sankey .label .count { font-weight: 700; }
.sankey .label .expected { fill: var(--muted); }
.block-luck { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 8px; }
.block-luck .face-chart { margin-top: 8px; } /* lines up with .bell-chart */

/* Blocking tab cross-highlighting: while something is hovered, everything
   it doesn't cover is dimmed. */
.face-chart.focus [data-face]:not(.on) { opacity: 0.3; }
.face-chart .label-in, .face-chart .label-out { pointer-events: none; }
.sankey.focus .link { stroke-opacity: 0.1; }
.sankey .overlay { stroke-opacity: 0.65; pointer-events: none; }
.sankey .overlay.good { stroke: var(--bar); }
.sankey .overlay.neutral { stroke: var(--neutral); }
.sankey .overlay.bad { stroke: var(--bad); }
.sankey.focus .node-group:not(.on) { opacity: 0.3; }
.sankey .node-group, .sankey .link { cursor: default; }