.gf-tooth-grid {
  display: grid;
  gap: 10px;
}

.gf-tooth-grid__grid {
  display: grid;
  grid-template-columns: repeat(16, minmax(0, 1fr));
  gap: 6px;
}

.gf-tooth-grid__cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 6px 4px;
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: 6px;
  cursor: pointer;
  user-select: none;
}

.gf-tooth-grid__cell input {
  margin: 0;
}

.gf-tooth-grid__label {
  font-size: 12px;
  line-height: 1;
}

.gf-tooth-grid__quadrants {
  display: grid;
  grid-template-columns: repeat(16, minmax(0, 1fr));
  gap: 6px;
}

.gf-tooth-grid__quad {
  text-align: center;
  font-weight: 600;
  font-size: 13px;
  padding: 6px 4px;
  border-radius: 6px;
  border: 1px solid rgba(0,0,0,0.15);
}

.gf-tooth-grid__quad--span8 {
  grid-column: span 8;
}

/* keep cells centered */
.gf-tooth-grid__cell {
  align-items: center;
}

/* Make it usable on smaller screens */
@media (max-width: 1024px) {
  .gf-tooth-grid__grid { grid-template-columns: repeat(8, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .gf-tooth-grid__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}