/* ─── Payment Page Styles (v2 — Apple-Quality) ─── */
.payment-page { padding-bottom: var(--space-16); }

.payment-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-8);
  max-width: 900px;
  margin: 0 auto;
}

/* Order Summary */
.order-summary {
  padding: var(--space-8);
  position: sticky;
  top: 80px;
  height: fit-content;
}
.order-summary h3 { font-size: var(--text-lg); margin-bottom: var(--space-6); }
.order-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: var(--text-sm);
}
.order-row span:first-child { color: var(--text-tertiary); }
.order-row span:last-child { font-weight: 600; }
.order-row.total {
  border-top: 1.5px solid var(--border);
  border-bottom: none;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  font-size: var(--text-xl);
}
.security-notice {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin-top: var(--space-6);
  padding: var(--space-4);
  background: var(--green-subtle);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  border: 1px solid rgba(52,211,153,0.1);
}

/* Gateway Tabs */
.gateway-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.gateway-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: var(--space-5) var(--space-4);
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-tertiary);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: all var(--duration-base) var(--ease);
}
.gateway-tab:hover { border-color: var(--border-hover); }
.gateway-tab.active {
  border-color: var(--cta);
  background: rgba(0,113,227,0.04);
  color: var(--text-primary);
  box-shadow: 0 0 0 3px var(--cta-glow);
}
.gateway-tab small { font-size: var(--text-xs); font-weight: 400; color: var(--text-tertiary); }
.gateway-icon { font-size: 1.5rem; }

/* Gateway Panels */
.gateway-panel {
  display: none;
  padding: var(--space-8);
  animation: fadeInUp 0.3s var(--ease-out);
}
.gateway-panel.active { display: block; }
.gateway-panel h3 { font-size: var(--text-lg); margin-bottom: 6px; }
.gateway-desc { color: var(--text-tertiary); font-size: var(--text-sm); margin-bottom: var(--space-6); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.card-number-input {
  letter-spacing: 2.5px;
  font-variant-numeric: tabular-nums;
}

/* Bank Grid (Ozow) */
.bank-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.bank-card {
  padding: var(--space-5);
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  font-weight: 600;
  font-size: var(--text-sm);
  transition: all var(--duration-fast) var(--ease);
}
.bank-card:hover { border-color: var(--border-hover); }
.bank-card.selected {
  border-color: var(--cta);
  background: rgba(0,113,227,0.04);
  box-shadow: 0 0 0 3px var(--cta-glow);
}

/* Success Screen */
.payment-success {
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-12);
}
.success-icon {
  width: 72px; height: 72px;
  border-radius: var(--radius-full);
  background: var(--green);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--space-6);
  font-size: 2rem;
  color: var(--text-inverse);
  box-shadow: 0 4px 20px rgba(52,211,153,0.3);
  animation: fadeInUp 0.5s var(--ease-out);
}
.payment-success h2 { margin-bottom: var(--space-4); }
.payment-success > p { color: var(--text-secondary); }
.success-details {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-6) 0;
}

/* Processing overlay */
.processing-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  gap: var(--space-5);
}
.processing-spinner {
  width: 40px; height: 40px;
  border: 2.5px solid rgba(255,255,255,0.08);
  border-top-color: var(--cta);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@media (max-width: 768px) {
  .payment-layout { grid-template-columns: 1fr; }
  .order-summary { position: static; }
  .gateway-tabs { flex-direction: column; }
  .bank-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
}