.referral-tier-chart {
  display: grid;
  gap: 12px;
  margin: 0 0 14px;
  padding: 14px 16px;
  border: 1px solid #cfe5d8;
  border-radius: 7px;
  background: #f5fbf7;
}

.tier-chart-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.tier-chart-heading strong {
  color: #14583f;
  font-size: 14px;
}

.tier-chart-heading span {
  color: #648174;
  font-size: 11px;
}

.tier-chart-rows {
  display: grid;
  gap: 9px;
}

.tier-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
}

.tier-badge {
  display: inline-grid;
  width: 30px;
  height: 24px;
  place-items: center;
  border-radius: 4px;
  background: #d8eee2;
  color: #176448;
  font-size: 11px;
  font-weight: 800;
}

.tier-track {
  min-height: 28px;
  overflow: hidden;
  border-radius: 4px;
  background: #e7f2eb;
}

.tier-fill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-width: 92px;
  min-height: 28px;
  padding: 0 9px;
  border-radius: 4px;
  background: #69c79a;
  color: #103b2b;
  transition: width .25s ease;
}

.tier-row[data-tier="2"] .tier-fill {
  background: #a4d9bd;
}

.tier-fill b {
  overflow: hidden;
  font-size: 11px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tier-fill strong {
  flex: 0 0 auto;
  font-size: 13px;
  font-weight: 800;
}

@media (max-width: 640px) {
  .referral-tier-chart {
    padding: 13px;
  }

  .tier-chart-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }
}