/* ============================================================
   Utilities Bunker — Power Factor Correction (v2.1)
   File: /assets/css/modules/electronics/power-factor-correction.v2.1.css
   Purpose:
   - Tool-only layout + summary “lab” styling + work formatting
   - Mobile-first, 44x44 touch targets, clamp typography
   - NO changes to ub-toolkit.v2.1.css
   ============================================================ */

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

/* ============================== Hero layout ============================== */
.ub-hero{
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--pfc-gap);
}
@media (max-width: 980px){
  .ub-hero{ grid-template-columns: 1fr; }
}

/* ============================== Summary / Lab panel ============================== */
.ub-lab{
  background: var(--ub-surface-2);
  border: 1px solid var(--ub-border);
  border-radius: var(--pfc-radius);
  padding: 12px;
}
.ub-lab-top{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap: 10px;
  flex-wrap:wrap;
  margin-bottom: 8px;
}
.ub-lab-title{
  font-size: clamp(13px, 1.2vw, 14px);
  font-weight: 950;
  letter-spacing: .01em;
}
.ub-lab-sub{
  font-size: 12px;
  color: var(--ub-muted);
  margin-top: 2px;
}

/* ============================== KPI tiles ============================== */
.ub-kpis{
  display:flex;
  flex-wrap:wrap;
  gap: 8px;
  justify-content:flex-end;
}
.ub-kpi{
  min-width: 118px;
  padding: 8px 10px;
  border-radius: 14px;
  border: 1px solid var(--ub-border);
  background: var(--ub-card-bg);
}
.ub-kpi .k{
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ub-muted);
}
.ub-kpi .v{
  font-family: var(--ub-mono);
  font-weight: 950;
  font-size: 14px;
  margin-top: 2px;
}

/* ============================== Status pill ============================== */
.ub-risk{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--ub-border);
  background: var(--ub-card-bg);
  font-size: 12px;
  font-weight: 950;
  min-height: 44px;
}
.ub-dot{
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ub-muted);
}

/* ============================== Preset chips grid ============================== */
.ub-wheel{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}
.ub-wheel .ub-chip{
  min-height: 44px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--ub-border);
  background: var(--ub-chip-bg);
  color: var(--ub-chip-text);
  font-weight: 900;
  cursor: pointer;
  user-select:none;
}
.ub-wheel .ub-chip:hover{ background: var(--ub-chip-hover); }
.ub-wheel .ub-chip:focus{
  outline:none;
  box-shadow: 0 0 0 4px var(--ub-focus);
  border-radius: 999px;
}

/* ============================== PF Viz cards ============================== */
.ub-pfviz{
  margin-top: 10px;
  padding: 12px;
  border-radius: var(--pfc-radius);
  border: 1px solid var(--ub-border);
  background: var(--ub-card-bg);
}
.ub-pfviz-row{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
@media (max-width: 520px){
  .ub-pfviz-row{ grid-template-columns: 1fr; }
}
.ub-pfviz-card{
  padding: 10px;
  border-radius: 14px;
  border: 1px solid var(--ub-border);
  background: var(--ub-surface-2);
}
.ub-pfviz-card .ub-k{
  font-size: 11px;
  color: var(--ub-muted);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.ub-pfviz-card .ub-v{
  margin-top: 4px;
  font-family: var(--ub-mono);
  font-weight: 950;
  font-size: 14px;
}

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

/* Details/summary polish (tool-only enhancement) */
.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;
}

/* Rail button helper (safe) */
.ub-btn--block{ width:100%; }

/* Small screens: KPI slightly narrower */
@media (max-width: 520px){
  .ub-kpi{ min-width: 104px; }
}