/* ============================================================
   Utilities Bunker — ADC Resolution Calculator (v2.1)
   File: /assets/css/modules/electronics/adc.v2.1.css
   Purpose:
   - Tool-only layout + KPI panel + work formatting
   - No changes to ub-toolkit.v2.1.css required
   - Mobile-first, 44x44 touch targets, clamp typography
   - Uses UB breakpoints & safe responsive rules
   ============================================================ */

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

/* ==============================
   Header row
   ============================== */
.adc-head{
  display:flex;
  gap: 10px;
  justify-content:space-between;
  align-items:flex-start;
  flex-wrap:wrap;
}

.adc-title{
  margin:0;
  font-size:var(--ub-fs-5);
}

.adc-sub{
  margin:6px 0 0;
}

/* ==============================
   How-to list
   ============================== */
.adc-steps{
  margin:0;
  padding-left:18px;
}

/* ==============================
   Tool hero layout
   Mobile-first (stack), then widen
   ============================== */
.adc-hero{
  display:grid;
  grid-template-columns: 1fr;
  gap: var(--adc-gap);
}

/* Desktops / Laptops: 1025px – 1440px */
@media (min-width:1025px){
  .adc-hero{
    grid-template-columns: 1.05fr 0.95fr;
    align-items:start;
  }
}

/* Large Screens (4K/Ultrawide): 1441px+ */
@media (min-width:1441px){
  .adc-hero{
    grid-template-columns: 1.1fr 0.9fr;
  }
}

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

.adc-panel-top{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap: 10px;
  flex-wrap:wrap;
  margin-bottom: 8px;
}

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

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

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

.adc-kpi{
  min-width: 122px;
  padding: 8px 10px;
  border-radius: 14px;
  border: 1px solid var(--ub-border);
  background: var(--ub-card-bg);
}

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

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

/* Smaller screens */
@media (max-width:480px){
  .adc-kpi{ min-width: 108px; }
}

/* ==============================
   Meter block
   ============================== */
.adc-meter{
  margin-top: 10px;
  padding: 12px;
  border-radius: var(--adc-radius);
  border: 1px solid var(--ub-border);
  background: var(--ub-card-bg);
}

.adc-meter-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(0,0,0,.06);
}

html.ub-theme-dark .adc-meter-row{
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.adc-meter-row:last-child{
  border-bottom: 0;
}

.adc-meter-label{
  font-size: 12px;
  font-weight: 950;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ub-muted);
}

.adc-meter-val{
  font-family: var(--ub-mono);
  font-weight: 950;
  font-size: 13px;
}

/* ==============================
   Mode chips row
   ============================== */
.adc-mode{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  margin-top: 12px;
}

.adc-mode .ub-chip{
  min-height: var(--ub-hit);
  padding: 10px 12px;
}

/* ==============================
   Presets
   ============================== */
.adc-presets{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  margin-top: 10px;
}

.adc-presets .ub-chip{
  min-height: var(--ub-hit);
  padding: 10px 12px;
}

/* ==============================
   Notes
   ============================== */
.adc-note{
  margin: 10px 0 0;
  color: var(--ub-muted);
  font-size: 12px;
}

/* ==============================
   Form actions spacing
   ============================== */
.adc-actions{
  margin-top: 12px;
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
}

/* Ensure full-width buttons in tight spaces */
@media (max-width:480px){
  .adc-actions .ub-btn{ width:100%; }
}

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

.adc-footnote{
  margin-top: 10px;
  color: var(--ub-muted);
  font-size: 12px;
}

/* ==============================
   Reference / FAQ formatting
   ============================== */
.adc-formulas{
  margin: 0;
  padding-left: 18px;
}

.adc-muted{
  margin: 10px 0 0;
  color: var(--ub-muted);
  font-size: 13px;
}

.adc-q{
  margin: 12px 0 6px;
  font-size: 15px;
  font-weight: 950;
}

.adc-a{
  margin: 0 0 10px;
  color: var(--ub-text);
}

/* ==============================
   Container query hooks (opt-in)
   ============================== */
.adc-cq{
  container-type: inline-size;
}

/* Example of container-aware tuning (safe if not used elsewhere) */
@container (min-width: 520px){
  .adc-kpi .v{ font-size: 15px; }
}