/* =============================================================
 * Utilities Bunker — Binary / Decimal / Hex Converter (v2.1)
 * File: /assets/css/modules/electronics/bin-hex-dec.v2.1.css
 * Purpose:
 * - Tool-only layout + readout styling + work formatting
 * - No changes to ub-toolkit.v2.1.css required
 * - Mobile-first, 44x44 touch targets, clamp typography
 * ============================================================= */

/* ============================== Local tokens (tool-scoped) ============================== */
:root{
  --bdh-radius: 16px;
  --bdh-gap: 14px;
}

/* ============================== Hero layout ============================== */
.ub-bdh-hero{
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--bdh-gap);
}

/* Tablets / smaller screens stack */
@media (max-width: 980px){
  .ub-bdh-hero{ grid-template-columns: 1fr; }
}

/* ============================== Lab panel ============================== */
.ub-bdh-lab{
  background: var(--ub-surface-2);
  border: 1px solid var(--ub-border);
  border-radius: var(--bdh-radius);
  padding: 12px;
}

.ub-bdh-labtop{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap: 10px;
  flex-wrap:wrap;
  margin-bottom: 8px;
}

.ub-bdh-title{
  font-size: clamp(13px, 1.2vw, 14px);
  font-weight: 950;
  letter-spacing: .01em;
}

.ub-bdh-sub{
  font-size: 12px;
  color: var(--ub-muted);
  margin-top: 2px;
}

/* ============================== KPI tiles ============================== */
.ub-bdh-kpis{
  display:flex;
  flex-wrap:wrap;
  gap: 8px;
  justify-content:flex-end;
}

.ub-bdh-kpis .ub-kpi{
  min-width: 112px;
  padding: 8px 10px;
  border-radius: 14px;
  border: 1px solid var(--ub-border);
  background: var(--ub-card-bg);
}

.ub-bdh-kpis .ub-kpi .k{
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ub-muted);
}

.ub-bdh-kpis .ub-kpi .v{
  font-family: var(--ub-mono);
  font-weight: 950;
  font-size: 14px;
  margin-top: 2px;
}

/* ============================== Readout blocks ============================== */
.ub-bdh-readouts{
  display:grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 10px;
}

.ub-bdh-ro{
  border: 1px solid var(--ub-border);
  background: var(--ub-card-bg);
  border-radius: 14px;
  padding: 12px;
}

.ub-bdh-ro .ub-k{
  margin-bottom: 6px;
}

.ub-bdh-ro .ub-v{
  font-size: clamp(16px, 1.1rem + .35vw, 20px);
  line-height: 1.25;
}

/* make long binary/hex wrap nicely */
.ub-bdh-ro .ub-safe-wrap{
  overflow-wrap:anywhere;
  word-break:break-word;
}

/* ============================== Presets row (reuses toolkit chips) ============================== */
.ub-preset-row{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  margin-top: 10px;
}
.ub-preset-row .ub-chip{
  min-height: 44px;
  padding: 10px 12px;
}

/* ============================== Input polish (tool-only) ============================== */
/* Stronger monospace for number fields */
#binIn, #decIn, #hexIn{
  font-family: var(--ub-mono);
  letter-spacing: .01em;
}

/* Improve select readability on small screens */
select#inputBase,
select#bitWidth,
select#grouping{
  font-weight: 900;
}

/* ============================== Work area ============================== */
.ub-work{
  font-family: var(--ub-mono);
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap:anywhere;
}

/* ============================== Details summary focus polish ============================== */
.ub-collapsible summary{
  cursor:pointer;
  font-weight: 950;
  min-height: 44px;
  display:flex;
  align-items:center;
}
.ub-collapsible summary:focus{
  outline: none;
  box-shadow: 0 0 0 4px var(--ub-focus);
  border-radius: 12px;
}

/* ============================== Small screens tweaks ============================== */
@media (max-width: 520px){
  .ub-bdh-kpis .ub-kpi{ min-width: 98px; }
}