/* Proper scoring rules + naive baselines (2026-09-07 review). Two blocks:
   a bar comparison of the model against doing nothing, and a PIT strip
   showing whether the published range is honest. */
.perf-scoring { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .perf-scoring { grid-template-columns: 1fr 1fr; } }
.perf-scoring-block {
  padding: 12px 14px; background: var(--surface2);
  border: 1px solid var(--border); border-radius: 10px;
}
.perf-scoring-title {
  font-size: var(--fs-2); font-weight: 600; color: var(--text);
  margin-bottom: 10px; letter-spacing: .01em;
}
.perf-scoring-sub { display: block; font-weight: 400; color: var(--muted); font-size: var(--fs-1); margin-top: 2px; }
.perf-scoring-note { font-size: var(--fs-1); color: var(--muted); margin-top: 9px; line-height: 1.45; }

.perf-bar-row { display: grid; grid-template-columns: minmax(0, 11em) 1fr 3.2em; align-items: center; gap: 8px; margin-bottom: 6px; }
.perf-bar-label { font-size: var(--fs-1); color: var(--text2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.perf-bar-track { height: 8px; background: var(--surface); border-radius: 4px; overflow: hidden; }
.perf-bar-fill { height: 100%; border-radius: 4px; }
.perf-bar-val { font-size: var(--fs-1); text-align: right; font-variant-numeric: tabular-nums; }

.perf-pit { display: flex; align-items: flex-end; gap: 3px; height: 48px; padding-top: 2px; }
.perf-pit-col { flex: 1; display: flex; align-items: flex-end; justify-content: center; height: 100%; }
.perf-pit-bar { width: 100%; border-radius: 2px 2px 0 0; }
.perf-pit-axis { display: flex; justify-content: space-between; font-size: var(--fs-1); color: var(--muted); margin-top: 5px; }

/* Colour is not the only cue: an over-weighted PIT bucket also gets a top rule,
   so the "range is too narrow" signal survives Windows High Contrast Mode and
   colour-vision differences. */
@media (forced-colors: active) {
  .perf-bar-fill { forced-color-adjust: none; background: Highlight !important; }
  .perf-pit-bar { forced-color-adjust: none; background: CanvasText !important; }
}
.perf-summary {
  font-size: var(--fs-2); font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted); cursor: pointer; padding: 10px 0; user-select: none;
  border-top: 1px solid var(--border);
}

.puzzle-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.puzzle-head h2 { font-size: var(--fs-5); font-weight: 700; margin: 0; }
.puzzle-count { font-size: var(--fs-1); color: var(--muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.puzzle-diff { font-size: var(--fs-2); color: var(--muted); margin-top: 2px; }
.puzzle-moves { font-size: var(--fs-2); color: var(--muted); margin-top: 8px; }
.puzzle-lichess { display: inline-block; margin-top: 12px; font-size: var(--fs-2); color: var(--blue); }

.email-split-tabs { margin-left: auto; }

/* Programmatic focus lands on the active tab panel for screen-reader context;
   the global :focus-visible ring must not paint a frame around the whole tab. */
.page-tab-panel:focus, .page-tab-panel:focus-visible { outline: none; box-shadow: none; }


/* Touch targets (phase 4): on touch devices every small control clears 44px;
   the bottom-sheet segment buttons use the full 48px --touch token. */
.cmdk-close { min-width: 36px; min-height: 36px; }
@media (pointer: coarse) {
  .cmdk-close, .cmdk-recent-chip, .search-btn { min-height: 44px; }
  .cmdk-close { min-width: 44px; }
  .tt-search input, .de-table input[type="text"], .de-table input[type="number"], .de-table input[type="date"] { min-height: 44px; }
  .seg-btn { min-height: var(--touch); }
}


/* ── Progressive disclosure (phase 5): the four lower Predictions sections
   collapse behind native <details> on phones; desktop and print always render
   them open (JS syncSectionDisclosure + beforeprint force open). ── */
details.sect > .sect-summary { display: none; }
details.sect > .sect-summary::-webkit-details-marker { display: none; }
/* v4 W5: the summary text is a real h3 so screen-reader heading navigation
   lands on section boundaries on phones; inherit flattens the h3 defaults so
   the summary renders exactly as before. */
.sect-summary-h { font: inherit; margin: 0; display: inline; }
@media (max-width: 639px) {
  details.sect > .sect-summary {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    min-height: var(--touch);
    padding: 10px 14px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: var(--fs-3); font-weight: 700; color: var(--text);
    cursor: pointer; user-select: none;
    list-style: none;
  }
  details.sect > .sect-summary::after {
    content: '\25BE';
    color: var(--muted);
    transition: transform .2s;
  }
  details.sect[open] > .sect-summary::after { transform: rotate(180deg); }
  details.sect[open] > .sect-summary { margin-bottom: var(--s-3); }
  /* the summary already names these sections; drop the duplicated inner titles */
  #sect-model .model-info > .panel-title { display: none; }
  #sect-table .tt-head > .panel-title { display: none; }
}

/* ── Mini-grid hierarchy (phase 5): "Next up" featured row above a compact
   "Later" grid; renderMiniCards adds .mini-grid-tiered to the container. ── */
.mini-grid.mini-grid-tiered { display: block; }
.mini-section-label {
  font-size: var(--fs-1); font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted);
  margin: 2px 0 8px;
}
.mini-grid-featured {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--s-3);
  margin-bottom: var(--s-4);
}
.mini-grid-featured .mini-card { padding: var(--s-5); }
.mini-grid-featured .mini-card-number { font-size: 1.75rem; }
.mini-grid-rest {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--s-2);
}
.mini-grid-rest .mini-card { padding: var(--s-3); }


/* Horizon strip (phase 6): neutral tiles, the MAE value is the one colored
   encoding; backgrounds no longer compete with the results table below. */
.horizon-tile {
  flex: 1; min-width: 80px;
  padding: 10px 8px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-align: center;
}
.horizon-t { font-size: var(--fs-1); font-weight: 700; letter-spacing: .06em; color: var(--muted); text-transform: uppercase; }
.horizon-val { font-size: var(--fs-5); font-weight: 800; margin: 3px 0 2px; }
.horizon-ci { font-size: var(--fs-1); color: var(--muted); }