/* OfficeCalculator.Net v90 — Concrete Calculator measurement UX */
.oc-v90-system{
  grid-column:1/-1;
  margin:0;
  padding:0;
  border:0;
  min-width:0;
}
.oc-v90-system legend{
  margin:0 0 8px;
  padding:0;
  color:#172033;
  font-size:.8rem;
  font-weight:850;
}
.oc-v90-system-cards{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
}
.oc-v90-system-card{
  position:relative;
  display:block;
  cursor:pointer;
}
.oc-v90-system-card input{
  position:absolute!important;
  opacity:0!important;
  pointer-events:none!important;
}
.oc-v90-system-card-body{
  display:block;
  min-height:64px;
  padding:11px 13px;
  border:1px solid #d7dfeb;
  border-radius:12px;
  background:#f8faff;
  transition:border-color .16s ease,box-shadow .16s ease,background .16s ease;
}
.oc-v90-system-card-body strong{
  display:block;
  margin-bottom:3px;
  color:#172033;
  font-size:.86rem;
  line-height:1.2;
}
.oc-v90-system-card-body small{
  display:block;
  color:#667085;
  font-size:.69rem;
  line-height:1.35;
}
.oc-v90-system-card input:checked + .oc-v90-system-card-body{
  border-color:#5d8cf2;
  background:#eef4ff;
  box-shadow:0 0 0 3px rgba(37,99,235,.08);
}
.oc-v90-system-card input:focus-visible + .oc-v90-system-card-body{
  outline:2px solid #2563eb;
  outline-offset:2px;
}
.oc-v90-active-units{
  margin-top:9px;
  padding:8px 10px;
  border-radius:9px;
  background:#f5f7fb;
  color:#526174;
  font-size:.7rem;
  line-height:1.45;
}
.oc-v90-inch-box{
  margin-top:8px;
}
.oc-v90-inch-box[hidden],
.oc-v90-imperial-only[hidden],
.oc-v90-metric-only[hidden]{display:none!important}
.oc-v90-inch-box label{
  display:block!important;
  margin:0 0 4px!important;
  color:#667085!important;
  font-size:.67rem!important;
  font-weight:800!important;
}
.oc-v90-guide{
  grid-column:1/-1;
  padding:10px 12px;
  border:1px solid #dce5f2;
  border-radius:11px;
  background:#f8fafc;
  color:#5c6b80;
  font-size:.72rem;
  line-height:1.5;
}
.oc-v90-working{
  margin-top:12px;
  padding:13px 14px;
  border:1px solid #d8e4f7;
  border-radius:12px;
  background:#f8fbff;
  color:#344054;
  font-size:.77rem;
  line-height:1.55;
}
.oc-v90-working > strong{
  display:block;
  margin-bottom:7px;
  color:#173f67;
  font-size:.74rem;
  letter-spacing:.04em;
  text-transform:uppercase;
}
.oc-v90-working ol{margin:0;padding-left:20px}
.oc-v90-working li+li{margin-top:4px}
body.oc-dark .oc-v90-system legend,
html.oc-dark-preload .oc-v90-system legend,
body.oc-dark .oc-v90-system-card-body strong,
html.oc-dark-preload .oc-v90-system-card-body strong{color:#eef4ff}
body.oc-dark .oc-v90-system-card-body,
html.oc-dark-preload .oc-v90-system-card-body,
body.oc-dark .oc-v90-active-units,
html.oc-dark-preload .oc-v90-active-units,
body.oc-dark .oc-v90-guide,
html.oc-dark-preload .oc-v90-guide,
body.oc-dark .oc-v90-working,
html.oc-dark-preload .oc-v90-working{
  border-color:#344760;
  background:#18263a;
  color:#cbd5e1;
}
body.oc-dark .oc-v90-system-card input:checked + .oc-v90-system-card-body,
html.oc-dark-preload .oc-v90-system-card input:checked + .oc-v90-system-card-body{
  border-color:#6f98ee;
  background:#203150;
}
body.oc-dark .oc-v90-system-card-body small,
html.oc-dark-preload .oc-v90-system-card-body small{color:#aebbd0}
@media(max-width:560px){
  .oc-v90-system-cards{grid-template-columns:1fr}
  .oc-v90-system-card-body{min-height:0}
}