:root {
    --reup-bg-primary: #0a0a0a;
    --reup-bg-secondary: #1a1a1a;
    --reup-bg-tertiary: #2a2a2a;
    --reup-accent: #00ff88;
    --reup-accent-hover: #00cc6a;
    --reup-text-primary: #ffffff;
    --reup-text-secondary: #a0a0a0;
    --reup-border: #333333;
    --reup-error: #ff4444;
    --reup-success: #00ff88;
}

/* Checkout Container */
.reup-checkout-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 40px;
}

.checkout-main {
    background: var(--reup-bg-secondary);
    border: 1px solid var(--reup-border);
    border-radius: 12px;
    padding: 32px;
}

.checkout-sidebar {
    position: sticky;
    top: 20px;
    height: fit-content;
}

.checkout-section {
    margin-bottom: 32px;
}

.checkout-section h2 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--reup-text-primary);
}

/* Order Items */
.order-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.order-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--reup-bg-tertiary);
    border-radius: 8px;
}

.order-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 6px;
}

.item-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.item-details h4 {
    margin: 0;
    font-size: 16px;
    color: var(--reup-text-primary);
}

.item-details small {
    color: var(--reup-text-secondary);
}

.item-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--reup-accent);
}

/* Forms */
.form-row-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-row-triple {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 16px;
}

input[type="text"],
input[type="email"],
input[type="tel"] {
    width: 100%;
    padding: 12px 16px;
    background: var(--reup-bg-tertiary);
    border: 1px solid var(--reup-border);
    border-radius: 8px;
    color: var(--reup-text-primary);
    font-size: 16px;
}

input:focus {
    outline: none;
    border-color: var(--reup-accent);
}

/* Payment Methods */
.payment-methods {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.payment-option {
    cursor: pointer;
}

.payment-card {
    padding: 20px;
    background: var(--reup-bg-tertiary);
    border: 2px solid var(--reup-border);
    border-radius: 8px;
    text-align: center;
    transition: all 0.2s;
}

.payment-option input[type="radio"]:checked + .payment-card {
    border-color: var(--reup-accent);
    background: rgba(0, 255, 136, 0.1);
}

.payment-card img {
    height: 32px;
    margin-bottom: 8px;
}

/* Shipping Rates */
.shipping-rates {
    margin-top: 20px;
}

.shipping-rate-option {
    display: flex;
    align-items: center;
    padding: 16px;
    background: var(--reup-bg-tertiary);
    border: 1px solid var(--reup-border);
    border-radius: 8px;
    margin-bottom: 12px;
    cursor: pointer;
}

.shipping-rate-option:hover {
    border-color: var(--reup-accent);
}

.shipping-rate-option input[type="radio"] {
    margin-right: 12px;
}

.rate-info {
    flex: 1;
}

.rate-cost {
    font-size: 18px;
    font-weight: 700;
    color: var(--reup-accent);
}

/* Order Summary Sidebar */
.order-summary-card {
    background: var(--reup-bg-secondary);
    border: 1px solid var(--reup-border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
}

.summary-line {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--reup-border);
}

.summary-line.total {
    border-bottom: none;
    font-size: 20px;
    font-weight: 700;
    color: var(--reup-accent);
    padding-top: 16px;
}

.trust-badges {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.badge {
    padding: 12px;
    background: var(--reup-bg-tertiary);
    border-radius: 6px;
    text-align: center;
    font-size: 14px;
}

/* Buttons */
.btn-checkout {
    width: 100%;
    padding: 16px;
    background: var(--reup-accent);
    color: var(--reup-bg-primary);
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-checkout:hover {
    background: var(--reup-accent-hover);
    transform: translateY(-2px);
}

.btn-checkout:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Modal */
.reup-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--reup-bg-secondary);
    border: 1px solid var(--reup-border);
    border-radius: 12px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 24px;
    border-bottom: 1px solid var(--reup-border);
}

.modal-header h2 {
    margin: 0;
    color: var(--reup-text-primary);
}

.modal-body {
    padding: 24px;
}

/* Confirmation Page */
.reup-confirmation-page {
    max-width: 800px;
    margin: 60px auto;
    padding: 0 20px;
}

.confirmation-container {
    background: var(--reup-bg-secondary);
    border: 1px solid var(--reup-border);
    border-radius: 12px;
    padding: 48px;
    text-align: center;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--reup-accent);
    color: var(--reup-bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    margin: 0 auto 24px;
}

.order-details-card {
    background: var(--reup-bg-tertiary);
    border-radius: 8px;
    padding: 24px;
    margin: 32px 0;
    text-align: left;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--reup-border);
}

.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.pending {
    background: rgba(255, 170, 0, 0.2);
    color: #ffaa00;
}

.status-badge.paid {
    background: rgba(0, 255, 136, 0.2);
    color: var(--reup-accent);
}

/* Responsive */
@media (max-width: 968px) {
    .reup-checkout-container {
        grid-template-columns: 1fr;
    }
    
    .checkout-sidebar {
        position: static;
    }
    
    .payment-methods {
        grid-template-columns: 1fr;
    }
}