.summary-row {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.summary-card {
  background: var(--card);
  border-radius: 4px;
  padding: 1.6rem 2rem;
  border: 1.5px solid rgba(0,0,0,0.08);
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.summary-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.08);
}

.summary-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
}

.summary-card.balance::before { background: var(--gold); }
.summary-card.income::before  { background: var(--income-c); }
.summary-card.expense::before { background: var(--expense-c); }

.card-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.card-amount {
  font-family: 'Playfair Display', serif;
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
}

.card-amount.positive { color: var(--income-c); }
.card-amount.negative { color: var(--expense-c); }
.card-amount.neutral  { color: var(--ink); }

@media (max-width: 820px) {
  .summary-row { grid-template-columns: 1fr; }
}