/* ============================================================
   Utilities Bunker — Unit Converter v2.1
   File: /assets/css/modules/convert/unit-converters.v2.1.css
   Purpose:
   - Tool-only layout and presentation for the Unit Converter
   - Keeps all styling scoped to this tool
   - Mobile-first, responsive, accessible, UB-consistent
   ============================================================ */

/* Local tool tokens */
:root{
  --uc-radius: 16px;
  --uc-gap: 14px;
  --uc-soft: rgba(0,0,0,.06);
  --uc-soft-strong: rgba(0,0,0,.10);
  --uc-accent-soft: rgba(249,58,19,.10);
  --uc-accent-ring: rgba(249,58,19,.18);
}

html.ub-theme-dark:root{
  --uc-soft: rgba(255,255,255,.05);
  --uc-soft-strong: rgba(255,255,255,.10);
  --uc-accent-soft: rgba(249,58,19,.14);
  --uc-accent-ring: rgba(249,58,19,.22);
}

/* Main hero layout */
.ub-hero{
  display:grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: var(--uc-gap);
}

@media (max-width: 980px){
  .ub-hero{
    grid-template-columns: 1fr;
  }
}

/* Converter workspace */
.ub-converter-panel{
  background: var(--ub-surface-2);
  border: 1px solid var(--ub-border);
  border-radius: var(--uc-radius);
  padding: 12px;
}

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

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

.ub-converter-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: 112px;
  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;
  overflow-wrap:anywhere;
  word-break:break-word;
}

/* Category chip strip */
.ub-category-strip{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  margin-top: 10px;
}

.ub-category-strip .ub-chip{
  min-height: 44px;
  padding: 10px 12px;
}

.ub-category-strip .ub-chip[aria-pressed="true"]{
  border-color: rgba(249,58,19,.55);
  box-shadow: 0 0 0 4px var(--uc-accent-ring);
}

/* Visual summary card */
.ub-visual-card{
  margin-top: 12px;
  border: 1px solid var(--ub-border);
  border-radius: var(--uc-radius);
  background:
    linear-gradient(180deg, var(--ub-card-bg), var(--ub-surface-2));
  padding: 14px;
  box-shadow: inset 0 1px 0 var(--uc-soft);
}

.ub-visual-row{
  display:grid;
  grid-template-columns: minmax(0,1fr) auto minmax(0,1fr);
  align-items:center;
  gap: 10px;
}

.ub-visual-block{
  min-width: 0;
  padding: 14px 12px;
  border-radius: 14px;
  border: 1px solid var(--ub-border);
  background: var(--ub-card-bg);
  text-align:center;
}

.ub-visual-label{
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ub-muted);
  margin-bottom: 6px;
}

.ub-visual-value{
  font-family: var(--ub-mono);
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 950;
  line-height: 1.1;
  overflow-wrap:anywhere;
  word-break:break-word;
}

.ub-visual-unit{
  margin-top: 6px;
  color: var(--ub-muted);
  font-size: 13px;
  font-weight: 800;
  overflow-wrap:anywhere;
  word-break:break-word;
}

.ub-visual-arrow{
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 950;
  color: var(--ub-btn-grad-b);
  align-self:center;
}

.ub-visual-note{
  margin-top: 12px;
  font-size: 12px;
  color: var(--ub-muted);
}

/* Presets row */
.ub-preset-row{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  margin-top: 12px;
}

.ub-preset-row .ub-chip{
  min-height: 44px;
  padding: 10px 12px;
}

/* Output box inside form */
.ub-output-box{
  display:block;
  width:100%;
  min-height: var(--ub-hit);
  padding: 10px 12px;
  border-radius: var(--ub-radius-1);
  border: 1px solid var(--ub-border);
  background: var(--ub-surface-2);
  color: var(--ub-text);
  font-family: var(--ub-mono);
  font-size: var(--ub-fs-2);
  font-weight: 950;
  line-height: 1.4;
  overflow-wrap:anywhere;
  word-break:break-word;
}

/* Switch/chip rows */
.ub-switches{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  align-items:center;
}

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

/* Details 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;
}

/* Button block helper */
.ub-btn--block{
  width:100%;
}

/* More visual polish for live output card */
#liveOut{
  margin-top: 12px;
}

#liveOut .ub-v{
  overflow-wrap:anywhere;
  word-break:break-word;
}

/* Better spacing for form controls in this tool */
.ub-field + .ub-field{
  margin-top: 0;
}

/* Tool-specific card emphasis */
.ub-converter-panel,
.ub-visual-card,
.ub-output-box{
  transition: background-color .18s ease, border-color .18s ease, box-shadow .18s ease;
}

@media (prefers-reduced-motion: reduce){
  .ub-converter-panel,
  .ub-visual-card,
  .ub-output-box{
    transition: none;
  }
}

/* Tablet adjustments */
@media (max-width: 860px){
  .ub-kpi{
    min-width: 100px;
  }

  .ub-visual-row{
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .ub-visual-arrow{
    transform: rotate(90deg);
    justify-self:center;
  }
}

/* Small screen polish */
@media (max-width: 520px){
  .ub-kpis{
    justify-content:stretch;
  }

  .ub-kpi{
    min-width: calc(50% - 4px);
    flex: 1 1 calc(50% - 4px);
  }

  .ub-category-strip,
  .ub-preset-row,
  .ub-switches{
    gap: 8px;
  }

  .ub-category-strip .ub-chip,
  .ub-preset-row .ub-chip,
  .ub-switches .ub-chip{
    width: 100%;
    justify-content:center;
  }

  .ub-visual-block{
    padding: 12px 10px;
  }
}

/* Very small screens */
@media (max-width: 380px){
  .ub-kpi{
    min-width: 100%;
    flex: 1 1 100%;
  }

  .ub-visual-value{
    font-size: 18px;
  }

  .ub-visual-unit{
    font-size: 12px;
  }
}