.checkout-container { max-width: 800px; margin: 0 auto; padding: 2rem; }
.checkout-form { display: flex; flex-direction: column; gap: 2rem; }
.form-section {
    padding-bottom: 2rem; border-bottom: 1px solid var(--border);
}
.form-section h2 { font-size: 1.3rem; margin-bottom: 1.5rem; }
.form-group { margin-bottom: 1rem; }

.payment-options {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem;
}
.payment-option { cursor: pointer; display: flex; flex-direction: column; height: 100%; }
.payment-option input { display: none; }
.payment-option-content {
    padding: 1.5rem; background: var(--bg-input); border: 2px solid var(--border);
    text-align: center; transition: var(--transition);
    flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
    min-height: 160px; box-sizing: border-box;
}
.payment-option input:checked + .payment-option-content {
    border-color: var(--text); background: var(--bg-card);
}
.payment-icon { font-size: 2rem; display: block; margin-bottom: 0.5rem; }

.upload-area {
    text-align: center; padding: 3rem 2rem;
    border: 2px dashed var(--border); transition: var(--transition);
}
.upload-preview { margin-top: 1rem; }
.upload-preview img { max-width: 200px; max-height: 200px; object-fit: contain; }

.order-summary { background: var(--bg-card); padding: 1.5rem; }
.checkout-items { margin-bottom: 1rem; }
.checkout-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.75rem 0; border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.order-success { text-align: center; padding: 4rem 2rem; }
.success-icon {
    width: 80px; height: 80px; border-radius: 50%; background: var(--success);
    display: flex; align-items: center; justify-content: center;
    font-size: 2.5rem; margin: 0 auto 1.5rem;
}
.order-number { font-family: var(--font-display); font-size: 1.5rem; color: var(--accent); margin: 1rem 0; }

@media (max-width: 768px) {
    .payment-options { grid-template-columns: 1fr; }
}