.mbb-contextualizacao{
  margin:16px 0 22px;
  padding:18px;
  border:1px solid #c7d9ef;
  border-radius:14px;
  background:linear-gradient(135deg,#f7fbff,#fff);
}
.mbb-contextualizacao>strong{
  display:block;
  margin-bottom:10px;
  color:var(--primary-dark);
  font-size:16px;
}
.mbb-context-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
  margin:10px 0 12px;
}
.mbb-context-card{
  padding:13px 14px;
  border:1px solid var(--line);
  border-radius:11px;
  background:#fff;
}
.mbb-context-card strong{
  display:block;
  margin-bottom:5px;
  color:var(--primary-dark);
}
.mbb-central-question{
  margin-top:10px;
  padding:11px 13px;
  border-left:4px solid var(--primary);
  border-radius:8px;
  background:var(--primary-soft);
}
.mbb-professor-pensa{
  margin-top:12px;
  padding:11px 13px;
  border-radius:9px;
  background:#f4f8fc;
  border:1px dashed #b9cbe1;
  font-size:.96em;
}
.mbb-professor-pensa strong{
  color:var(--primary-dark);
}
.mbb-guided-solution{
  display:grid;
  gap:10px;
  margin-top:10px;
}
.mbb-guided-step{
  position:relative;
  padding:11px 12px 11px 42px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
}
.mbb-guided-step>.mbb-step-number{
  position:absolute;
  left:11px;
  top:11px;
  width:23px;
  height:23px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:var(--primary);
  color:#fff;
  font-size:12px;
  font-weight:900;
}
.mbb-guided-step strong{
  display:block;
  margin-bottom:3px;
  color:var(--primary-dark);
}
.mbb-guided-step p{margin:4px 0}
.mbb-calc-steps{margin:6px 0 0 20px!important}
.mbb-calc-steps li{margin:5px 0}
.mbb-pause-question{
  margin:10px 0 0;
  padding:9px 11px;
  border-left:4px solid #7c3aed;
  border-radius:8px;
  background:#f7f3ff;
  font-size:.94em;
}
.mbb-pa-story{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
  margin:14px 0;
}
.mbb-pa-story .mini-card{height:100%}
.mbb-equation-walk{
  margin:12px 0;
  padding:14px;
  border:1px solid var(--line);
  border-radius:11px;
  background:var(--surface-soft);
}
.mbb-equation-walk p{margin:6px 0}
.mbb-equation-walk .math{display:inline-block}
.mbb-bridge-box{
  margin:16px 0;
  padding:13px 15px;
  border:1px solid #cbd5e1;
  border-radius:11px;
  background:#f8fafc;
}
.mbb-bridge-box strong{color:var(--primary-dark)}
.exercise-feedback .mbb-guided-solution{
  margin-top:12px;
}
.exercise-feedback .mbb-guided-step{
  background:#fff;
}
@media(max-width:720px){
  .mbb-context-grid,.mbb-pa-story{grid-template-columns:1fr}
  .mbb-contextualizacao{padding:14px}
  .mbb-guided-step{padding-left:40px}
}