/* =============================================
   Checkout & Payment Pages - Watawdeh Math Center
   ============================================= */

/* Cart Items */
.cart-section {
    padding: 60px 0;
}

.cart-container {
    max-width: 1200px;
    margin: 0 auto;
}

.cart-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 40px;
}

.cart-items {
    background: var(--white);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow-md);
}

.cart-item {
    display: grid;
    grid-template-columns: 120px 1fr auto;
    gap: 20px;
    padding: 25px 0;
    border-bottom: 1px solid var(--border-color);
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item-image {
    width: 120px;
    height: 150px;
    border-radius: 10px;
    overflow: hidden;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-details {
    flex: 1;
}

.cart-item-title {
    font-size: 1.3rem;
    color: var(--primary-blue);
    font-weight: 700;
    margin-bottom: 10px;
}

.cart-item-type {
    color: var(--gold);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 15px;
    display: inline-block;
}

.cart-item-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.cart-item-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 10px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 5px 10px;
}

.quantity-control button {
    background: none;
    border: none;
    color: var(--primary-blue);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px 10px;
    transition: var(--transition);
}

.quantity-control button:hover {
    color: var(--gold);
}

.quantity-control span {
    min-width: 30px;
    text-align: center;
    font-weight: 700;
}

.remove-btn {
    background: transparent;
    border: none;
    color: var(--error-red);
    cursor: pointer;
    font-size: 1.3rem;
    padding: 10px;
    transition: var(--transition);
}

.remove-btn:hover {
    transform: scale(1.2);
}

/* Cart Summary */
.cart-summary {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow-lg);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.cart-summary h3 {
    color: var(--gold);
    margin-bottom: 25px;
    font-size: 1.8rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.summary-row:last-child {
    border-bottom: none;
}

.summary-row.total {
    font-size: 1.5rem;
    font-weight: 900;
    padding-top: 20px;
    margin-top: 10px;
    border-top: 2px solid var(--gold);
}

.checkout-btn {
    background: var(--gold);
    color: var(--primary-blue);
    border: none;
    padding: 18px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    margin-top: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.checkout-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.empty-cart {
    text-align: center;
    padding: 80px 20px;
}

.empty-cart-icon {
    font-size: 6rem;
    color: var(--gold);
    margin-bottom: 25px;
}

.empty-cart h2 {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.empty-cart p {
    color: var(--text-gray);
    font-size: 1.2rem;
    margin-bottom: 30px;
}

/* Payment Status Pages */
.payment-status {
    padding: 100px 0;
    text-align: center;
}

.status-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 25px;
    padding: 60px 40px;
    box-shadow: var(--shadow-xl);
}

.status-icon {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    font-size: 4rem;
    animation: scaleIn 0.5s ease;
}

.status-icon.success {
    background: linear-gradient(135deg, #10B981, #059669);
    color: var(--white);
}

.status-icon.failed {
    background: linear-gradient(135deg, #EF4444, #DC2626);
    color: var(--white);
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.status-container h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.status-container h1.success {
    color: #10B981;
}

.status-container h1.failed {
    color: #EF4444;
}

.status-container p {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 30px;
    line-height: 1.8;
}

.order-details {
    background: var(--light-gray);
    border-radius: 15px;
    padding: 30px;
    margin: 30px 0;
    text-align: right;
}

.order-details h3 {
    color: var(--primary-blue);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

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

.order-detail-row:last-child {
    border-bottom: none;
}

.order-detail-label {
    color: var(--text-gray);
    font-weight: 600;
}

.order-detail-value {
    color: var(--primary-blue);
    font-weight: 700;
}

.order-items-list {
    list-style: none;
    margin-top: 15px;
}

.order-items-list li {
    padding: 10px 0;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.order-items-list li:last-child {
    border-bottom: none;
}

.payment-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 30px;
}

/* Responsive */
@media (max-width: 1024px) {
    .cart-grid {
        grid-template-columns: 1fr;
    }
    
    .cart-summary {
        position: static;
    }
}

@media (max-width: 768px) {
    .cart-item {
        grid-template-columns: 80px 1fr;
        gap: 15px;
    }
    
    .cart-item-image {
        width: 80px;
        height: 100px;
    }
    
    .cart-item-actions {
        grid-column: 1 / -1;
        justify-content: space-between;
    }
    
    .status-container {
        padding: 40px 20px;
    }
    
    .status-icon {
        width: 100px;
        height: 100px;
        font-size: 3rem;
    }
    
    .status-container h1 {
        font-size: 2rem;
    }
}

/* New Primary Checkout Button */
.checkout-btn-primary {
    width: 100%;
    background: linear-gradient(135deg, #06B6D4, #10B981);
    color: white;
    padding: 22px 30px;
    border-radius: 15px;
    border: none;
    font-size: 1.4rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    box-shadow: 0 10px 30px rgba(6, 182, 212, 0.4);
    position: relative;
    overflow: hidden;
}

.checkout-btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.checkout-btn-primary:hover::before {
    left: 100%;
}

.checkout-btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(6, 182, 212, 0.5);
    filter: brightness(1.1);
}

.checkout-btn-primary i:first-child {
    font-size: 1.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Checkout Modal */
.checkout-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    z-index: 10000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 40px 20px;
    animation: fadeIn 0.3s ease;
    overflow-y: auto;
}

.checkout-modal-content {
    background: white;
    border-radius: 24px;
    max-width: 650px;
    width: 100%;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.4);
    animation: slideUp 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(6, 182, 212, 0.2);
    margin: 20px 0;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.checkout-modal-header {
    background: linear-gradient(135deg, #06B6D4 0%, #10B981 100%);
    color: white;
    padding: 30px 35px;
    border-radius: 24px 24px 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 20px rgba(6, 182, 212, 0.3);
    position: relative;
    overflow: hidden;
}

.checkout-modal-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.checkout-modal-header h2 {
    margin: 0;
    font-size: 2rem;
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 800;
    position: relative;
    z-index: 1;
}

.checkout-modal-header h2 i {
    font-size: 2.2rem;
}

.checkout-modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.checkout-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg) scale(1.1);
    border-color: white;
}

.checkout-modal-body {
    padding: 35px;
    background: linear-gradient(to bottom, #ffffff 0%, #F9FAFB 100%);
}

.checkout-form-group {
    margin-bottom: 25px;
    position: relative;
}

.checkout-form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-weight: 700;
    color: var(--dark-text);
    font-size: 1.1rem;
}

.checkout-form-group label i {
    color: #06B6D4;
    font-size: 1.2rem;
}

.checkout-form-group input {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--border-color);
    border-radius: 14px;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    font-family: 'Tajawal', sans-serif;
    background: white;
}

.checkout-form-group input:focus {
    outline: none;
    border-color: #06B6D4;
    box-shadow: 0 0 0 5px rgba(6, 182, 212, 0.15);
    transform: translateY(-2px);
}

.checkout-form-group input::placeholder {
    color: #94A3B8;
}

.terms-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin: 30px 0;
    padding: 25px;
    background: linear-gradient(135deg, #F0FDFF 0%, #F0F9FF 100%);
    border-radius: 16px;
    border: 2px solid #06B6D4;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.1);
    transition: all 0.3s ease;
}

.terms-checkbox:has(input:checked) {
    background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
    border-color: #10B981;
}

.terms-checkbox input[type="checkbox"] {
    width: 24px;
    height: 24px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: #06B6D4;
    border-radius: 6px;
}

.terms-checkbox label {
    flex: 1;
    line-height: 1.7;
    font-size: 1.05rem;
    color: var(--dark-text);
    cursor: pointer;
    font-weight: 600;
}

.terms-checkbox a {
    color: #06B6D4;
    font-weight: 800;
    text-decoration: underline;
    transition: color 0.3s ease;
}

.terms-checkbox a:hover {
    color: #10B981;
}

.checkout-modal-footer {
    padding: 0 35px 35px;
    display: flex;
    gap: 15px;
    background: linear-gradient(to top, #F9FAFB 0%, #ffffff 100%);
    border-radius: 0 0 24px 24px;
}

.btn-modal-cancel {
    flex: 1;
    padding: 18px;
    background: white;
    color: var(--dark-text);
    border: 2px solid var(--border-color);
    border-radius: 14px;
    font-size: 1.15rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-modal-cancel:hover {
    background: #F3F4F6;
    border-color: #CBD5E1;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.btn-modal-submit {
    flex: 2;
    padding: 18px;
    background: linear-gradient(135deg, #06B6D4, #10B981);
    color: white;
    border: none;
    border-radius: 14px;
    font-size: 1.2rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-modal-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-modal-submit:hover::before {
    left: 100%;
}

.btn-modal-submit:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(6, 182, 212, 0.5);
    filter: brightness(1.1);
}

.btn-modal-submit:disabled {
    opacity: 0.5;
    
    transform: none;
    filter: grayscale(1);
}

.btn-modal-submit i:last-child {
    font-size: 1.3rem;
}

.error-message {
    color: #EF4444;
    font-size: 0.95rem;
    margin-top: 10px;
    display: none;
    background: #FEE2E2;
    padding: 10px 15px;
    border-radius: 10px;
    border-right: 4px solid #EF4444;
    font-weight: 600;
}

.error-message.show {
    display: flex;
    align-items: center;
    gap: 8px;
    animation: shake 0.4s ease;
}

.error-message::before {
    content: '⚠';
    font-size: 1.2rem;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* Input validation states */
.checkout-form-group input.error {
    border-color: #EF4444;
    background: #FEE2E2;
}

.checkout-form-group input.success {
    border-color: #10B981;
    background: #ECFDF5;
}

.checkout-form-group input.success::after {
    content: '✓';
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #10B981;
    font-weight: 900;
}

/* Remove Item Modal */
.remove-item-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(10px);
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.remove-modal-content {
    background: white;
    border-radius: 24px;
    max-width: 500px;
    width: 100%;
    padding: 40px;
    text-align: center;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.remove-modal-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #FEE2E2, #FECACA);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.remove-modal-icon i {
    font-size: 3rem;
    color: #EF4444;
}

.remove-modal-content h3 {
    font-size: 2rem;
    font-weight: 900;
    color: #0F172A;
    margin-bottom: 15px;
}

.remove-modal-content p {
    font-size: 1.15rem;
    color: #64748B;
    margin-bottom: 25px;
    line-height: 1.7;
}

.remove-modal-content p strong {
    color: #0F172A;
    font-weight: 800;
}

.item-preview-box {
    display: flex;
    gap: 18px;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, #F9FAFB, #F1F5F9);
    border-radius: 14px;
    margin-bottom: 30px;
    text-align: right;
}

.item-preview-box img {
    width: 80px;
    height: 100px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.item-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: #0F172A;
}

.item-price {
    font-size: 1.3rem;
    font-weight: 900;
    background: linear-gradient(135deg, #06B6D4, #10B981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.remove-modal-actions {
    display: flex;
    gap: 15px;
}

.btn-remove-cancel,
.btn-remove-confirm {
    flex: 1;
    padding: 16px;
    border-radius: 14px;
    font-size: 1.15rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-remove-cancel {
    background: white;
    color: #475569;
    border: 2px solid #CBD5E1;
}

.btn-remove-cancel:hover {
    background: #F1F5F9;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-remove-confirm {
    background: linear-gradient(135deg, #EF4444, #DC2626);
    color: white;
    box-shadow: 0 6px 25px rgba(239, 68, 68, 0.5);
}

.btn-remove-confirm:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(239, 68, 68, 0.6);
    filter: brightness(1.1);
}

/* Shipping Selection Modal */
.shipping-selection-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(12px);
    z-index: 10000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 40px 20px;
    overflow-y: auto;
    animation: fadeIn 0.3s ease;
}

.shipping-modal-content {
    background: white;
    border-radius: 24px;
    max-width: 700px;
    width: 100%;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    margin: 20px 0;
}

.shipping-modal-header {
    background: linear-gradient(135deg, #F59E0B, #D97706);
    color: white;
    padding: 30px 35px;
    border-radius: 24px 24px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    overflow: hidden;
}

.shipping-modal-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent);
}

.shipping-modal-header h2 {
    margin: 0 0 8px 0;
    font-size: 2rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    gap: 15px;
    position: relative;
    z-index: 1;
}

.shipping-modal-header p {
    margin: 0;
    font-size: 1.05rem;
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

.shipping-modal-body {
    padding: 35px;
}

.shipping-notice {
    display: flex;
    gap: 15px;
    padding: 18px 22px;
    background: linear-gradient(135deg, #DBEAFE, #BFDBFE);
    border-radius: 14px;
    margin-bottom: 28px;
    border: 2px solid #3B82F6;
}

.shipping-notice i {
    font-size: 2rem;
    color: #1E40AF;
    flex-shrink: 0;
}

.shipping-notice p {
    line-height: 1.7;
    color: #1E3A8A;
    margin: 0;
    font-weight: 600;
}

.shipping-options-grid {
    display: grid;
    gap: 18px;
}

.shipping-option-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 20px;
    align-items: center;
    padding: 22px 25px;
    background: white;
    border: 3px solid #E5E7EB;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.shipping-option-card:hover {
    border-color: #F59E0B;
    background: linear-gradient(135deg, #FEF3C7, #FDE68A);
    transform: translateX(-5px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.2);
}

.shipping-option-card.selected {
    border-color: #10B981;
    background: linear-gradient(135deg, #ECFDF5, #D1FAE5);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.shipping-option-card input[type="radio"] {
    display: none;
}

.option-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #FEF3C7, #FDE68A);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.shipping-option-card.selected .option-icon {
    background: linear-gradient(135deg, #D1FAE5, #A7F3D0);
}

.option-icon i {
    font-size: 2rem;
    color: #D97706;
}

.shipping-option-card.selected .option-icon i {
    color: #059669;
}

.option-details {
    flex: 1;
}

.option-name {
    font-size: 1.3rem;
    font-weight: 800;
    color: #0F172A;
    margin-bottom: 6px;
}

.option-desc {
    font-size: 0.95rem;
    color: #64748B;
    line-height: 1.5;
    margin-bottom: 8px;
}

.option-cost {
    font-size: 1.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, #F59E0B, #D97706);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.option-cost.free {
    background: linear-gradient(135deg, #06B6D4, #10B981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.option-check {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: #E5E7EB;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.shipping-option-card.selected .option-check {
    background: linear-gradient(135deg, #10B981, #059669);
}

.option-check i {
    font-size: 1.3rem;
    color: #94A3B8;
}

.shipping-option-card.selected .option-check i {
    color: white;
}

.shipping-modal-footer {
    padding: 25px 35px;
    background: #F9FAFB;
    border-radius: 0 0 24px 24px;
    display: flex;
    gap: 15px;
}

.btn-shipping-back,
.btn-shipping-continue {
    flex: 1;
    padding: 16px;
    border-radius: 14px;
    font-size: 1.15rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-shipping-back {
    background: white;
    color: #475569;
    border: 2px solid #CBD5E1;
}

.btn-shipping-back:hover {
    background: #F1F5F9;
    transform: translateY(-2px);
}

.btn-shipping-continue {
    background: linear-gradient(135deg, #10B981, #059669);
    color: white;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-shipping-continue:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.5);
}

.btn-shipping-continue:disabled {
    opacity: 0.5;
    
    transform: none;
}

.btn-shipping-continue:disabled:hover {
    transform: none;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

/* Order Terms Checkbox */
.order-terms-checkbox {
    margin: 20px 0;
    padding: 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.order-terms-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}

.order-terms-check {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
    flex-shrink: 0;
    accent-color: #FFD23F;
}

.order-terms-text {
    color: white;
    font-size: 0.95rem;
    line-height: 1.6;
}

.order-terms-link {
    color: #FFD23F;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px solid transparent;
    transition: all 0.2s ease;
}

.order-terms-link:hover {
    border-bottom-color: #FFD23F;
}

.order-terms-error {
    display: block;
    color: #FCA5A5;
    font-size: 0.875rem;
    margin-top: 8px;
}