.checkout-page { padding-block: var(--space-md); }
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-2xl);
  align-items: start;
}
.checkout-layout > * { min-width: 0; }
.checkout-layout--empty { display: block; }
.checkout-empty {
  width: min(100%, 620px);
  margin: 36px auto 64px;
  padding: 48px 28px;
  border: 1px solid var(--color-border);
  border-radius: 22px;
  background: var(--color-bg-alt);
  text-align: center;
}
.checkout-empty__icon { display: block; margin-bottom: 10px; color: var(--color-primary-text); font-size: 52px; line-height: 1; }
.checkout-empty h2 { font-family: var(--font-heading); font-size: var(--font-size-2xl); }
.checkout-empty p { margin: 10px 0 24px; color: var(--color-text-muted); }
.checkout-section {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
}
.checkout-section__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.checkout-section__number {
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  color: var(--color-text);
  border-radius: 50%;
  font-size: var(--font-size-sm);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.form-row--3 { grid-template-columns: 1fr 1fr 1fr; }

/* Payment methods */
.payment-methods { display: flex; flex-direction: column; gap: var(--space-md); }
.payment-method {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  transition: border-color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.payment-method.is-selected { border-color: var(--color-primary); background: var(--color-bg-alt); }
.payment-method input[type="radio"] { accent-color: var(--color-primary); width: 16px; height: 16px; }
.payment-method__label { font-size: var(--font-size-sm); font-weight: 500; }
.payment-method__icons { margin-left: auto; display: flex; gap: 6px; }
.payment-method__icon { height: 22px; filter: grayscale(100%); }

/* Order summary sidebar */
.order-summary {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  position: sticky;
  top: 80px;
}
.order-summary__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
}
.order-items { margin-bottom: var(--space-lg); }
.order-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding-block: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}
.order-item__image-wrap { position: relative; flex-shrink: 0; }
.order-item__image {
  width: 60px;
  height: 68px;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-sm);
}
.order-item__qty-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  color: var(--color-text);
  border-radius: 50%;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.order-item__name { font-size: var(--font-size-xs); font-weight: 500; margin-bottom: 2px; }
.order-item__variant { font-size: 10px; color: var(--color-text-muted); }
.order-item__price { margin-left: auto; font-size: var(--font-size-sm); font-weight: 700; }
.order-totals { }
.order-totals__row {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  padding-block: 8px;
  color: var(--color-text-muted);
}
.order-totals__row.is-total {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-sm);
  padding-top: var(--space-md);
}
.checkout-submit { margin-top: var(--space-lg); }
.checkout-secure {
  text-align: center;
  margin-top: var(--space-md);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.checkout-secure svg { width: 14px; height: 14px; }

.order-coupon { padding: var(--space-md) 0; border-bottom: 1px solid var(--color-border); margin-bottom: var(--space-md); }
.order-coupon__field { display: flex; gap: var(--space-sm); }
.order-coupon__field .form-control { flex: 1; }

@media (max-width: 1024px) {
  .checkout-layout { gap: var(--space-xl); grid-template-columns: 1fr 300px; }
  .form-row--3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .checkout-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .order-summary { position: static; }
  .checkout-empty { margin: 20px auto 36px; padding: 38px 20px; }
}