/* Checkout Layout */
.checkout-container {
    padding: var(--spacing-xl) 0;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-2xl);
}

@media (max-width: 768px) {
    .checkout-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .checkout-summary {
        order: -1;
        margin-bottom: var(--spacing-lg);
    }
}

/* Steps */
.step-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: 10px;
}

.step-number {
    background: var(--color-accent-primary);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: bold;
}

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.full-width {
    grid-column: span 2;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.form-input {
    width: 100%;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    padding: 12px;
    border-radius: var(--radius-sm);
    color: white;
    font-family: inherit;
    transition: border-color var(--transition-fast);
}

.form-input:focus {
    border-color: var(--color-accent-primary);
    outline: none;
}

/* Payment Methods */
.payment-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.payment-option {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.payment-option:hover {
    border-color: var(--color-text-secondary);
}

.payment-option.selected {
    border-color: var(--color-accent-primary);
    background: rgba(255, 69, 0, 0.05);
}

.radio-circle {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-text-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.payment-option.selected .radio-circle {
    border-color: var(--color-accent-primary);
}

.radio-circle::after {
    content: '';
    width: 10px;
    height: 10px;
    background: var(--color-accent-primary);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s;
}

.payment-option.selected .radio-circle::after {
    opacity: 1;
}

/* Summary Panel */
.checkout-summary {
    background: var(--color-bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    height: fit-content;
    position: sticky;
    top: 80px;
}