/* Payment Modal Styles */
.payment-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.payment-modal.active {
    opacity: 1;
    visibility: visible;
}

.payment-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.payment-modal-content {
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform 0.3s ease;
    position: relative;
}

.payment-modal.active .payment-modal-content {
    transform: translateY(0);
}

.payment-modal-header {
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.payment-modal-header h3 {
    color: var(--primary, #1a3a52);
    margin: 0;
    font-size: 1.5rem;
}

.payment-modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: #999;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.payment-modal-close:hover {
    background: #f5f5f5;
    color: #666;
}

.payment-modal-body {
    padding: 2rem;
}

/* Product Summary */
.product-summary {
    background: var(--light, #f8f9fa);
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.product-details h4 {
    color: var(--primary, #1a3a52);
    margin: 0 0 0.5rem 0;
    font-size: 1.2rem;
}

.product-details p {
    color: #666;
    margin: 0 0 1rem 0;
    line-height: 1.6;
}

.product-details .price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent, #e67e22);
}

/* Payment Form */
.payment-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.customer-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

.form-row input,
.form-row select,
.customer-info textarea {
    padding: 1rem;
    border: 2px solid #eee;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-row input:focus,
.form-row select:focus,
.customer-info textarea:focus {
    outline: none;
    border-color: var(--accent, #e67e22);
}

.customer-info textarea {
    resize: vertical;
    min-height: 80px;
}

/* Stripe Elements Container */
#payment-element {
    margin: 1rem 0;
    padding: 1rem;
    border: 2px solid #eee;
    border-radius: 8px;
    min-height: 60px;
}

/* Payment Actions */
.payment-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1rem;
}

.payment-actions button {
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    min-width: 120px;
}

.btn-primary {
    background: var(--accent, #e67e22);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: #d35400;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(230, 126, 34, 0.3);
}

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: transparent;
    color: var(--primary, #1a3a52);
    border: 2px solid var(--primary, #1a3a52);
}

.btn-secondary:hover {
    background: var(--primary, #1a3a52);
    color: white;
}

/* Loading Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Payment Messages */
.payment-messages {
    margin-top: 1rem;
}

.error-message {
    background: #fee;
    color: #c33;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #fcc;
}

.success-message {
    background: #efe;
    color: #363;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #cfc;
}

/* Payment Buttons for Pages */
.payment-button {
    background: var(--accent, #e67e22);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    text-align: center;
}

.payment-button:hover {
    background: #d35400;
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(230, 126, 34, 0.3);
    color: white;
    text-decoration: none;
}

.payment-button.secondary {
    background: transparent;
    color: var(--accent, #e67e22);
    border: 2px solid var(--accent, #e67e22);
}

.payment-button.secondary:hover {
    background: var(--accent, #e67e22);
    color: white;
}

/* Price Display */
.price-display {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent, #e67e22);
    margin: 0.5rem 0;
}

.price-display .currency {
    font-size: 0.9em;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .payment-modal-content {
        width: 95%;
        margin: 1rem;
    }

    .payment-modal-body {
        padding: 1.5rem;
    }

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

    .payment-actions {
        flex-direction: column;
    }

    .payment-actions button {
        width: 100%;
    }
}

/* Integration with existing styles */
.payment-modal {
    --primary: #1a3a52;
    --accent: #e67e22;
    --light: #f8f9fa;
    --dark: #2c3e50;
}

/* Assessment Payment Specific */
.assessment-payment {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    margin-top: 2rem;
}

.assessment-payment h3 {
    margin-bottom: 1rem;
    color: white;
}

.assessment-payment p {
    margin-bottom: 1.5rem;
    opacity: 0.9;
    line-height: 1.6;
}

.assessment-payment .payment-button {
    background: white;
    color: var(--primary, #1a3a52);
    font-weight: 600;
}

.assessment-payment .payment-button:hover {
    background: #f0f0f0;
    color: var(--primary, #1a3a52);
    transform: scale(1.05);
}

/* Service Cards Payment Integration */
.service-card .payment-button,
.topic-card .payment-button {
    margin-top: 1rem;
    width: 100%;
}

/* Book Pre-order Styling */
.book-preorder {
    background: var(--gradient, linear-gradient(135deg, #667eea 0%, #764ba2 100%));
    color: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    margin: 2rem 0;
}

.book-preorder h3 {
    margin-bottom: 1rem;
    color: white;
}

.book-preorder .price-display {
    color: white;
    font-size: 1.5rem;
    margin: 1rem 0;
}

.book-preorder .payment-button {
    background: white;
    color: var(--primary, #1a3a52);
}

.book-preorder .payment-button:hover {
    background: #f0f0f0;
    color: var(--primary, #1a3a52);
}