/* ==========================================================================
   CHECKOUT MODAL STYLES
   ========================================================================== */

.checkout-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.checkout-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.checkout-modal-content {
    position: relative;
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.checkout-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    border-bottom: 1px solid #e0e0e0;
}

.checkout-header h2 {
    margin: 0;
    font-size: 24px;
    color: #333;
}

.checkout-header .close-btn {
    background: none;
    border: none;
    font-size: 24px;
    color: #999;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.checkout-header .close-btn:hover {
    background: #f5f5f5;
    color: #333;
}

.checkout-body {
    padding: 24px;
}

.plan-summary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 24px;
    text-align: center;
}

.plan-summary h3 {
    margin: 0 0 8px 0;
    font-size: 20px;
}

.plan-summary .plan-price {
    margin: 0;
    font-size: 28px;
    font-weight: bold;
}

.form-section {
    margin-bottom: 24px;
}

.form-section h4 {
    margin: 0 0 16px 0;
    font-size: 16px;
    color: #333;
    font-weight: 600;
}

.customer-type-selector {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.radio-option {
    flex: 1;
    min-width: 150px;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.radio-option:hover {
    border-color: #667eea;
    background: #f8f9ff;
}

.radio-option input[type="radio"] {
    margin: 0;
}

.radio-option input[type="radio"]:checked + span {
    font-weight: 600;
    color: #667eea;
}

.radio-option:has(input:checked) {
    border-color: #667eea;
    background: #f8f9ff;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input:invalid:not(:placeholder-shown) {
    border-color: #f44336;
}

/* Stripe Card Element */
.card-element {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: white;
    transition: all 0.2s;
}

.card-element:focus-within {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.card-errors {
    color: #f44336;
    font-size: 13px;
    margin-top: 8px;
    min-height: 20px;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid #e0e0e0;
}

.form-actions .btn {
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.form-actions .btn-secondary {
    background: #f5f5f5;
    color: #666;
}

.form-actions .btn-secondary:hover {
    background: #e0e0e0;
}

.form-actions .btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.form-actions .btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Checkout Footer */
.checkout-footer {
    padding: 16px 24px;
    background: #f8f9fa;
    border-top: 1px solid #e0e0e0;
    text-align: center;
    border-radius: 0 0 12px 12px;
}

.checkout-footer p {
    margin: 0;
    font-size: 13px;
    color: #666;
}

.checkout-footer i {
    color: #4caf50;
    margin-right: 4px;
}

/* Responsive */
@media (max-width: 768px) {
    .checkout-modal-content {
        width: 95%;
        max-height: 95vh;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .customer-type-selector {
        flex-direction: column;
    }

    .radio-option {
        min-width: 100%;
    }
}

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

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
    color: #555;
}