/* checkout.css */
.checkout-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--space-2xl);
    align-items: start;
}

@media(max-width: 900px) {
    .checkout-grid {
        grid-template-columns: 1fr;
    }
}

.checkout-section {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
    margin-bottom: var(--space-xl);
}

.checkout-section h3 {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Form Styles */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 500;
    color: var(--color-text);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text);
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-cta);
    box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1);
}

.form-error {
    color: var(--color-danger, #e74c3c);
    font-size: 0.8rem;
    margin-top: 5px;
    display: none;
}

.is-invalid {
    border-color: var(--color-danger, #e74c3c);
}

/* Payment Methods */
.payment-methods {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.payment-method-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
}

.payment-method-card:hover {
    border-color: var(--color-cta);
    background: rgba(39,174,96,0.02);
}

.payment-method-card.selected {
    border-color: var(--color-cta);
    background: rgba(39,174,96,0.05);
    box-shadow: 0 0 0 1px var(--color-cta);
}

.payment-method-card i {
    font-size: 1.5rem;
    color: var(--color-cta);
}

/* Order Summary */
.summary-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
    position: sticky;
    top: 100px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
    color: var(--color-text-muted);
}

.summary-total {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-text);
}

/* Disclaimer */
.disclaimer-box {
    margin-top: var(--space-lg);
    padding: var(--space-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-cta);
}

.checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.checkbox-wrapper input[type="checkbox"] {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    accent-color: var(--color-cta);
}

.checkbox-wrapper label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.btn-pay {
    width: 100%;
    margin-top: var(--space-xl);
    padding: 15px;
    font-size: 1.1rem;
}

.btn-pay:disabled {
    background: #ccc;
    cursor: not-allowed;
    border-color: #ccc;
    box-shadow: none;
    transform: none;
}