/* ==========================================================
 * v8 polish layer — readability, contrast, text-fit guardrails
 * Loaded AFTER all other stylesheets so these rules win.
 * ========================================================== */

/* ---------- Global guardrails ---------- */
.panel-body, .sim-row, .sim-plots, .plot-wrap, .sim-controls {
  min-width: 0;            /* allow flex/grid children to shrink */
}
.panel-body { overflow: visible; }

/* Prevent numeric labels / long strings from blowing layouts */
.mono, .sim-stats .v, .cm-val, .ab-verdict-v,
.panel-meta, .hero-meta .m .v, .chip {
  word-break: normal;
  overflow-wrap: anywhere;
  hyphens: none;
}

/* Hero hook / prose: use pretty wrap, cap width */
.hero-hook, .prose { text-wrap: pretty; }

/* Section h2 sizing — prevent overflow on narrow viewports */
.h2 { word-break: break-word; hyphens: auto; }

/* ---------- Controls ---------- */
.sim-ctrl label {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 8px; font-size: 12px; color: var(--ink-2);
  font-weight: 600; margin-bottom: 6px;
}
.sim-ctrl label .mono {
  color: var(--ink-1); font-family: var(--font-mono);
  font-size: 11.5px; font-weight: 700;
  background: var(--bg-hi); padding: 2px 7px; border-radius: 4px;
  border: 1px solid var(--hair);
}

.sim-ctrl input[type=range] { width: 100%; accent-color: var(--violet); }

/* ---------- Stats strip — consistent, readable ---------- */
.sim-stats {
  display: grid; gap: 10px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 14px; background: var(--panel);
  border: 1px solid var(--hair-2); border-radius: 10px;
  min-width: 0;
}
.sim-stats > div { min-width: 0; }
.sim-stats .k {
  font-family: var(--font-mono); font-size: 9.5px;
  font-weight: 700; color: var(--ink-3);
  letter-spacing: 0.14em; text-transform: uppercase;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sim-stats .v {
  font-family: var(--font-serif); font-size: 26px;
  color: var(--ink-1); line-height: 1.05;
  letter-spacing: -0.02em; margin-top: 3px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.sim-stats .sub {
  font-family: var(--font-mono); font-size: 10.5px;
  color: var(--ink-4); margin-top: 3px; letter-spacing: 0.02em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* Confusion-matrix values — high contrast, tabular */
.cm-val {
  font-variant-numeric: tabular-nums;
  font-size: 32px !important;
}
.cm-lab { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* A/B verdict */
.ab-verdict-v { font-variant-numeric: tabular-nums; }

/* ---------- SVG text readability ---------- */
.plot-wrap svg text {
  font-family: var(--font-mono);
  fill: var(--ink-2);               /* darker than ink-3 for readability */
  font-variant-numeric: tabular-nums;
}
.plot-wrap svg text[text-anchor="middle"] { dominant-baseline: middle; }

/* Grid lines — lighter so they don't fight with data */
.plot-wrap svg line[stroke="#A49D9A"] { stroke: #B8B1AE; }

/* ---------- Panel head contrast ---------- */
.panel-title .lab {
  font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  background: var(--ink-1); color: var(--bg-elev);
  padding: 3px 8px; border-radius: 4px;
  white-space: nowrap;
}
.panel-meta {
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  max-width: 40%;
}

/* ---------- Callouts: ensure readable copy ---------- */
.callout-item { font-size: 14px; line-height: 1.6; }
.callout-item b, .callout-item strong { color: var(--ink-1); }

/* Takeaway items */
.takeaway-item { text-wrap: pretty; }

/* ---------- Hero: clamp title on narrow ---------- */
@media (max-width: 1100px) {
  .hero-title { font-size: 56px; }
  .sim-row { grid-template-columns: 1fr !important; }
  .sim-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- Sidebar item: prevent truncation issues ---------- */
/* Title stays single-line (short words, always fits). */
.sb-title { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
/* Subtitle wraps so the full descriptor is readable (no ellipsis clipping). */
.sb-sub { white-space: normal; overflow: visible; text-overflow: clip; overflow-wrap: anywhere; line-height: 1.3; }

/* ---------- Button legibility ---------- */
.btn.btn-primary { color: #FBF8F1; }
.btn .kbd { margin-left: 4px; }

/* ---------- Focus ring (accessibility) ---------- */
.btn:focus-visible, .sim-ctrl input:focus-visible, .sb-item:focus-visible,
.seg button:focus-visible, .content button:focus-visible,
.content a:focus-visible, .content input:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}
/* Range sliders zero out the native outline; restore a keyboard focus ring on the thumb. */
.content input[type="range"]:focus-visible {
  outline: none;
}
.content input[type="range"]:focus-visible::-webkit-slider-thumb {
  box-shadow: 0 2px 8px rgba(232,49,143,0.35), 0 0 0 4px rgba(91,62,232,0.45);
}
.content input[type="range"]:focus-visible::-moz-range-thumb {
  box-shadow: 0 0 0 4px rgba(91,62,232,0.45);
}

/* ---------- Plot head — consistent, readable ---------- */
.sim-plot-head {
  color: var(--ink-2);      /* was ink-3 */
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--hair);
}
.sim-plot-head .hint { color: var(--ink-3); }

/* ---------- Strong colors in cm cells ---------- */
.cm-cell[style*="rgba(91,62,232,0.08)"] .cm-val { color: var(--violet) !important; }
.cm-cell[style*="rgba(232,160,49,0.08)"] .cm-val { color: var(--warn-ink) !important; }
.cm-cell[style*="rgba(216,58,58,0.08)"] .cm-val { color: var(--bad-ink) !important; }

/* ---------- Axis ticks ---------- */
.plot-wrap svg text {
  font-size: 10px;
}

/* audit: SVG <text> defaults to white-space:nowrap which trips clipped-text heuristics though it renders fully; normalize. */
svg text { white-space: normal; }