body{
  background: #f6f7fb !important;
}

.card{
  border: 1px solid var(--soft-border);
  border-radius: var(--card-radius);
}

.card.shadow-sm{
  box-shadow: 0 10px 30px rgba(0,0,0,.06) !important;
}

.nav-tabs .nav-link{
  border-radius: 12px 12px 0 0;
  font-weight: 600;
}
.nav-tabs .nav-link.active{
  background: #fff;
  border-color: var(--soft-border) var(--soft-border) #fff;
}

.section-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.midi-box{
  border: 1px solid var(--soft-border);
  border-radius: 14px;
  padding: 10px;
  background: #fff;
}

.midi-box midi-player{ width: 100%; }

.iframeBox{
  border: 1px solid var(--soft-border);
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 10px 24px rgba(0,0,0,.05);
}

.helptext{
  color:#6c757d;
  font-size: 0.9rem;
}