/* Dashboard Page Styles */

.dashboard-section {
    min-height: 100vh;
    padding: 120px 0 60px;
    background: var(--background-secondary);
}

/* Dashboard Header */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.welcome-content h1 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 2.5rem;
}

.welcome-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.quick-actions .btn {
    padding: 12px 24px;
    font-size: 1rem;
}

/* Stats Overview */
.stats-overview {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 1.5rem 0;
}

/* Compact Stats Overview */
.stats-overview.compact {
    gap: 1rem;
    margin: 1rem 0 1.5rem 0;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

.stat-card.compact {
    padding: 1.25rem;
    border-radius: 12px;
    gap: 0.75rem;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.stat-card.compact .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    font-size: 1.25rem;
}

.stat-content h3 {
    color: var(--text-primary);
    font-size: 2rem;
    margin-bottom: 0.25rem;
    font-weight: 700;
}

.stat-card.compact .stat-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.125rem;
}

.stat-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

.stat-card.compact .stat-content p {
    font-size: 0.8rem;
}

/* Dashboard Content Layout */
.dashboard-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

/* Content Section */
.content-section {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

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

.section-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.filter-select {
    padding: 8px 12px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: white;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Readings Container */
.readings-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.reading-item {
    padding: 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.reading-item:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.02);
}

/* Reading Icon Container */
.reading-icon-container {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.topic-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.reading-item:hover .topic-icon {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Reading Content */
.reading-content {
    flex: 1;
    min-width: 0; /* 允许内容收缩 */
}

.reading-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.reading-meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.reading-date {
    color: var(--text-light);
    font-size: 0.875rem;
}

.reading-type {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.reading-status {
    padding: 4px 8px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.reading-status.completed {
    background: #dcfce7;
    color: #166534;
}

.reading-status.pending {
    background: #fef3c7;
    color: #92400e;
}

.reading-status.paid {
    background: #dbeafe;
    color: #1d4ed8;
}

.reading-status.refunded {
    background: #fef2f2;
    color: #dc2626;
}

.reading-status.processing {
    background: #f3e8ff;
    color: #7c3aed;
}

.reading-status.submitted {
    background: #dbeafe;
    color: #1d4ed8;
}

.reading-status.recharged {
    background: #ecfdf5;
    color: #059669;
}

.reading-status.error {
    background: #fee2e2;
    color: #dc2626;
}

.reading-question {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.reading-preview {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.reading-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.reading-action {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: var(--transition);
    font-size: 0.9rem;
}

.reading-action:hover {
    background: var(--background-secondary);
    color: var(--primary-color);
}

.reading-action.favorite.active {
    color: #ef4444;
}

.reading-action.favorite:hover {
    color: #ef4444;
    transform: scale(1.1);
}

.reading-action.favorite:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.reading-action.favorite:disabled:hover {
    transform: none;
    color: var(--text-light);
}

/* Clickable stat card styles */
.stat-card.clickable {
    cursor: pointer;
    transition: all 0.3s ease;
}

.stat-card.clickable:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: #ef4444;
}

.stat-card.clickable:active {
    transform: translateY(0);
}

/* Topic Tags */
.topic-tags {
    margin-bottom: 1.5rem;
    padding: 0 1rem;
}

.topic-tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 1rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.topic-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    color: #64748b;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

.topic-tag:hover {
    background: #e2e8f0;
    border-color: #cbd5e1;
    color: #475569;
    transform: translateY(-1px);
}

.topic-tag.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    color: white;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.topic-tag.active:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.topic-tag i {
    margin-right: 0.375rem;
    font-size: 0.75rem;
}

/* Responsive design for topic tags */
@media (max-width: 768px) {
    .topic-tags {
        padding: 0 0.5rem;
    }
    
    .topic-tags-container {
        gap: 0.375rem;
        padding: 0.75rem 0;
    }
    
    .topic-tag {
        padding: 0.375rem 0.75rem;
        font-size: 0.8rem;
    }
    
    .topic-tag i {
        margin-right: 0.25rem;
        font-size: 0.7rem;
    }
}

/* Load More */
.load-more-container {
    text-align: center;
    margin-top: 2rem;
}

/* Sidebar Section */
.sidebar-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Widget Styles */
.widget {
    background: white;
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.widget h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* Daily Insight */
.daily-insight {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.insight-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-color), #f97316);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.daily-insight p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-style: italic;
    margin: 0;
}

/* Activity Chart */
.activity-chart {
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-placeholder {
    text-align: center;
    color: var(--text-light);
}

.chart-placeholder i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--border-color);
}

.chart-placeholder p {
    font-size: 0.875rem;
    margin: 0;
}

/* Topic Tags */
.topic-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.topic-tag {
    padding: 6px 12px;
    background: var(--background-secondary);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.topic-tag:hover,
.topic-tag.active {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

/* Recommendations */
.recommendations {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.recommendation-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition);
}

.recommendation-item:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.02);
}

.rec-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.rec-content h4 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

.rec-content p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}

.rec-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
}

.rec-link:hover {
    text-decoration: underline;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal-content {
    background: white;
    border-radius: 16px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    transform: translateY(-20px);
    transition: var(--transition);
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.modal-header h3 {
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--background-secondary);
    color: var(--text-primary);
}

.modal-body {
    padding: 2rem;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    padding: 1.5rem;
    border-top: 2px solid var(--border-color);
    background: var(--background-secondary);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-light);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--border-color);
}

.empty-state h3 {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.empty-state p {
    margin-bottom: 2rem;
}

/* Loading State */
.loading-skeleton {
    animation: pulse 1.5s ease-in-out infinite;
}

.skeleton-item {
    background: var(--border-color);
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.skeleton-title {
    height: 20px;
    width: 70%;
}

.skeleton-text {
    height: 16px;
    width: 100%;
}

.skeleton-text:last-child {
    width: 60%;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .dashboard-content {
        grid-template-columns: 1fr;
    }
    
    .sidebar-section {
        order: -1;
    }
}

@media (max-width: 768px) {
    .dashboard-section {
        padding: 100px 0 40px;
    }
    
    .dashboard-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .welcome-content h1 {
        font-size: 2rem;
    }
    
    .stats-overview {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .content-section,
    .widget {
        padding: 1.5rem;
    }
    
    .section-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .section-controls {
        width: 100%;
        justify-content: space-between;
    }
    
    .reading-header {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .modal-footer {
        flex-direction: column;
    }
    
    .modal-footer .btn {
        width: 100%;
    }
    
    /* Payment interface responsive */
    .modal-payment-required {
        padding: 1.5rem 1rem;
    }
    
    .payment-btn {
        width: 100%;
        min-width: auto;
    }
    
    .payment-qr-container {
        padding: 1.5rem 1rem;
    }
    
    .qr-code-area {
        padding: 1.5rem;
        min-height: 150px;
    }
    
    .qr-code-image {
        max-width: 150px;
        max-height: 150px;
    }
    
    .payment-footer {
        flex-direction: column;
    }
    
    .payment-footer .btn {
        width: 100%;
    }
    
    /* Account info card responsive */
    .account-info-card {
        margin: 1rem 0;
        padding: 1rem;
    }
    
    .account-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
        text-align: left;
    }
    
    /* Payment preview responsive */
    .payment-preview {
        margin: 1rem 0;
        padding: 1rem;
    }
    
    /* PayPal interface responsive */
    .paypal-payment-container {
        padding: 1.5rem 1rem;
    }
    
    .paypal-order-info {
        padding: 1rem;
        margin: 1.5rem 0;
    }
    
    .order-item,
    .order-total {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
        text-align: left;
    }
    
    .paypal-mock-button {
        width: 100%;
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .stats-overview {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-card {
        padding: 1.5rem;
    }
    
    .stat-card.compact {
        padding: 1rem;
    }
    
    .stat-card.compact .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .stat-card.compact .stat-content h3 {
        font-size: 1.25rem;
    }
    
    .stat-card.compact .stat-content p {
        font-size: 0.75rem;
    }
    
    .dashboard-header,
    .content-section,
    .widget {
        padding: 1.25rem;
    }
    
    .reading-item {
        padding: 1.25rem;
        gap: 0.75rem;
    }
    
    .topic-icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
    
    .recommendation-item {
        flex-direction: column;
        text-align: center;
    }
    
    .modal-body {
        padding: 1.5rem;
    }
}

/* Modal Loading State */
.modal-loading {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-secondary);
}

.loading-spinner {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.loading-spinner i {
    animation: spin 1s linear infinite;
}

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

/* No Content State */
.no-content {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-light);
    background: var(--background-secondary);
    border-radius: 12px;
    border: 2px dashed var(--border-color);
}

.no-content i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.no-content p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Gua Content */
.modal-gua {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.modal-gua h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.gua-content {
    background: var(--background-secondary);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.gua-content pre {
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* Payment Required Styles */
.modal-payment-required {
    text-align: center;
    padding: 2rem 1rem;
}

.payment-notice {
    margin-bottom: 2rem;
}

.payment-icon {
    font-size: 3rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.payment-notice h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.payment-notice p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.payment-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

/* Processing Modal Content */
.modal-processing {
    text-align: center;
    padding: 2rem 1rem;
}

.processing-notice {
    margin-bottom: 2rem;
}

.processing-notice .payment-icon {
    color: #7c3aed;
    animation: spin 2s linear infinite;
}

.processing-notice h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
    font-size: 1.3rem;
}

.processing-notice p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1rem;
}

.processing-status {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 1rem;
}

.status-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    position: relative;
}

.status-dot.processing {
    background: #7c3aed;
    animation: pulse 1.5s ease-in-out infinite;
}

.status-dot.processing::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border: 2px solid #7c3aed;
    border-radius: 50%;
    opacity: 0.3;
    animation: pulse 1.5s ease-in-out infinite;
}

.status-indicator span {
    font-weight: 600;
    color: #7c3aed;
    font-size: 1rem;
}

.processing-note {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-style: italic;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

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

/* Error Modal Content */
.modal-error {
    text-align: center;
    padding: 2rem 1rem;
}

.error-notice {
    margin-bottom: 2rem;
}

.error-notice .payment-icon {
    color: #dc3545;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.error-notice h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
    font-size: 1.3rem;
}

.error-notice p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1rem;
}

.error-details {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-left: 4px solid #dc3545;
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 1rem;
    text-align: left;
}

.error-info {
    margin-bottom: 1rem;
}

.error-info p {
    margin: 0.5rem 0;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.error-info strong {
    font-weight: 600;
    color: var(--text-primary);
}

.error-note {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-style: italic;
    border-top: 1px solid #dee2e6;
    padding-top: 1rem;
}

.payment-btn {
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    min-width: 200px;
    gap: 8px;
    transition: var(--transition);
}

.payment-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.payment-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Payment QR Code Styles */
.payment-qr-container {
    text-align: center;
    padding: 2rem 1rem;
}

.payment-header {
    margin-bottom: 2rem;
}

.payment-header h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.payment-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.qr-code-area {
    margin: 2rem 0;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background: var(--background-secondary);
    border-radius: var(--border-radius);
    padding: 2rem;
}

.qr-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
}

.qr-loading i {
    font-size: 2rem;
}

.qr-code-image {
    max-width: 200px;
    max-height: 200px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: white;
    padding: 8px;
}

.qr-instruction {
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.qr-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--text-light);
}

.qr-error i {
    font-size: 2rem;
    color: #ef4444;
}

.payment-footer {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.payment-footer .btn {
    min-width: 140px;
}

/* Account Information Card */
.account-info-card {
    margin: 1.5rem 0;
    padding: 1.5rem;
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.account-info-card h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

.account-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.account-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0;
    border-bottom: 1px solid rgba(var(--border-color), 0.3);
}

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

.account-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.account-value {
    font-weight: 600;
    color: var(--text-primary);
}

.loading-account {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    justify-content: center;
    padding: 1rem 0;
}

/* Payment Logic Summary Styles */
.payment-logic-summary {
    margin-top: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 8px;
    border: 1px solid rgba(74, 74, 222, 0.3);
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.summary-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: rgba(74, 74, 222, 0.08);
    border-bottom: 1px solid rgba(74, 74, 222, 0.15);
    font-weight: 600;
    color: #1e293b;
}

.summary-header i {
    color: #4a4ade;
}

.summary-content {
    padding: 1rem;
}

.summary-content p {
    margin: 0 0 1rem 0;
    color: #374151;
    font-size: 0.95rem;
    line-height: 1.5;
    font-weight: 500;
}

.charging-sequence {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: #f1f5f9;
    border-radius: 8px;
    border: 1px solid rgba(74, 74, 222, 0.2);
    flex-wrap: wrap;
}

.charge-step {
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, rgba(74, 74, 222, 0.15) 0%, rgba(74, 74, 222, 0.25) 100%);
    border-radius: 20px;
    border: 1px solid rgba(74, 74, 222, 0.4);
    font-weight: 600;
    font-size: 0.875rem;
    color: #1e293b;
    white-space: nowrap;
}

.charging-sequence i {
    color: #4a4ade;
    font-size: 0.9rem;
    font-weight: 600;
}

.payment-guide-link {
    text-align: center;
}

.guide-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #4a4ade 0%, #a855f7 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(74, 74, 222, 0.3);
    border: 2px solid #4a4ade;
    margin-top: 0.5rem;
}

.guide-link-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(74, 74, 222, 0.4);
    text-decoration: none;
    color: white;
    background: linear-gradient(135deg, #3d37c7 0%, #9333ea 100%);
}

.guide-link-btn i {
    font-size: 0.8rem;
}

/* Responsive adjustments for payment summary */
@media (max-width: 768px) {
    .payment-logic-summary {
        margin-top: 1rem;
    }
    
    .summary-content {
        padding: 0.75rem;
    }
    
    .charging-sequence {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.75rem;
    }
    
    .charging-sequence i {
        transform: rotate(90deg);
    }
    
    .charge-step {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .guide-link-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
}

/* Payment Note Styles */
.payment-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: rgba(74, 74, 222, 0.1);
    border-radius: 6px;
    border-left: 3px solid #4a4ade;
    font-size: 0.875rem;
    color: #6b7280;
}

.payment-note i {
    color: #4a4ade;
    font-size: 0.8rem;
}

.payment-note span {
    line-height: 1.3;
}

.account-error {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #ef4444;
    justify-content: center;
    padding: 1rem 0;
}

/* Payment Preview */
.payment-preview {
    margin: 1.5rem 0;
    padding: 1.5rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius);
}

.payment-preview h5 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

.preview-content {
    color: var(--text-secondary);
    line-height: 1.6;
}

.preview-text {
    margin: 0;
    font-style: italic;
}

/* PayPal Payment Interface */
.paypal-payment-container {
    text-align: center;
    padding: 2rem 1rem;
}

.paypal-payment-container .payment-header {
    margin-bottom: 2rem;
}

.paypal-payment-container .payment-header h3 {
    color: var(--text-primary);
    margin: 1rem 0 0.5rem 0;
    font-size: 1.5rem;
}

.paypal-payment-container .payment-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.paypal-order-info {
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin: 2rem 0;
}

.order-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.order-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0 0.5rem 0;
    border-top: 2px solid var(--border-color);
    margin-top: 1rem;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.paypal-actions {
    margin-top: 2rem;
}

.paypal-button-area {
    margin: 1.5rem 0;
    min-height: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.paypal-mock-button {
    background: #0070ba;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 180px;
    justify-content: center;
}

.paypal-mock-button:hover {
    background: #005a9e;
    transform: translateY(-1px);
}

.payment-status {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--background-secondary);
    border-radius: var(--border-radius);
}

.status-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

/* Enhanced Answer Content with Markdown Support */
.answer-content {
    line-height: 1.7;
    color: var(--text-primary);
    font-size: 1rem;
}

.answer-content p {
    margin-bottom: 1rem;
    text-align: justify;
}

.answer-content p:last-child {
    margin-bottom: 0;
}

/* Markdown content styling */
.answer-content h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 1.5rem 0 1rem 0;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.answer-content h2 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 1.25rem 0 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.25rem;
}

.answer-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin: 1rem 0 0.5rem 0;
}

.answer-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0.75rem 0 0.25rem 0;
}

.answer-content strong {
    font-weight: 700;
    color: var(--text-primary);
}

.answer-content em {
    font-style: italic;
    color: var(--text-secondary);
}

.answer-content ul, .answer-content ol {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.answer-content li {
    margin: 0.5rem 0;
    line-height: 1.6;
}

.answer-content blockquote {
    border-left: 4px solid var(--primary-color);
    background: var(--background-light);
    padding: 1rem 1.5rem;
    margin: 1rem 0;
    font-style: italic;
    color: var(--text-secondary);
}

.answer-content code {
    background: #f1f3f4;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: #d63384;
}

.answer-content pre {
    background: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.4;
}

.answer-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.answer-content hr {
    border: none;
    border-top: 2px solid var(--border-color);
    margin: 2rem 0;
}

.answer-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.answer-content th,
.answer-content td {
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    text-align: left;
}

.answer-content th {
    background: var(--background-light);
    font-weight: 600;
    color: var(--text-primary);
}

.answer-content a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.answer-content a:hover {
    border-bottom-color: var(--primary-color);
}

/* Modal Question Content Styles */
.modal-question {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-question h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.question-content {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    font-size: 0.95rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: normal;
}

.question-content br {
    margin-bottom: 0.5rem;
}

/* Payment Confirmation Modal Styles */
.payment-confirmation-modal {
    max-width: 500px;
    width: 90%;
    background: linear-gradient(135deg, #ffffff 0%, #f8fffe 100%);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border: 2px solid #10b981;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(-50px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.payment-confirmation-modal .modal-header {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 2rem;
    text-align: center;
    border: none;
}

.payment-confirmation-modal .modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.success-icon {
    font-size: 2rem;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

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

.payment-details {
    background: #f0fdf4;
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid #bbf7d0;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #dcfce7;
}

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

.detail-label {
    font-weight: 500;
    color: #374151;
    font-size: 1rem;
}

.detail-value {
    font-weight: 600;
    color: #059669;
    font-size: 1.1rem;
    text-align: right;
}

.payment-summary {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid #dcfce7;
    text-align: center;
}

.payment-summary p {
    margin: 0;
    color: #4b5563;
    font-size: 1rem;
    line-height: 1.5;
}

.payment-confirmation-modal .modal-footer {
    padding: 2rem;
    text-align: center;
    background: #fafafa;
    border-top: 1px solid #e5e5e5;
}

.payment-confirmation-modal #confirmPaymentBtn {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 200px;
    justify-content: center;
}

.payment-confirmation-modal #confirmPaymentBtn:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
    transform: translateY(-2px);
}

.payment-confirmation-modal #confirmPaymentBtn:active {
    transform: translateY(0);
}

/* Responsive Design for Payment Modal */
@media (max-width: 768px) {
    .payment-confirmation-modal {
        max-width: 95%;
        margin: 1rem;
    }
    
    .payment-confirmation-modal .modal-header {
        padding: 1.5rem;
    }
    
    .payment-confirmation-modal .modal-header h2 {
        font-size: 1.3rem;
    }
    
    .success-icon {
        font-size: 1.5rem;
    }
    
    .payment-confirmation-modal .modal-body {
        padding: 1.5rem;
    }
    
    .payment-details {
        padding: 1rem;
    }
    
    .detail-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .detail-value {
        text-align: left;
        font-size: 1rem;
    }
    
    .payment-confirmation-modal .modal-footer {
        padding: 1.5rem;
    }
    
    .payment-confirmation-modal #confirmPaymentBtn {
        width: 100%;
        padding: 1rem;
    }
}