/* ==================== AI & VERSION CONTROL STYLES ==================== */

/* Modal Styles */
.enhancement-modal,
.version-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    max-width: 800px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: fadeInUp 0.3s ease-out;
}

.modal-content.large {
    max-width: 1000px;
}

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

.modal-header h2 {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

.modal-body {
    padding: var(--spacing-xl);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: var(--spacing-xl);
    border-top: 2px solid var(--color-border-light);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* Enhancement Comparison */
.enhancement-comparison {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.comparison-item {
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.comparison-item h4 {
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.comparison-column label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.comparison-text {
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    min-height: 80px;
}

.comparison-text.enhanced {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border: 1px solid var(--color-primary);
}

.ai-suggestions {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
}

.ai-suggestions h4 {
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.ai-suggestions ul {
    list-style: none;
    padding: 0;
}

.ai-suggestions li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
}

.ai-suggestions li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

.ai-metrics {
    margin-top: var(--spacing-lg);
}

.ai-metrics h4 {
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.metric-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    text-align: center;
}

.metric-value {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.metric-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Version Control Panel */
.version-control-panel {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
}

.version-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.version-header h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
}

.version-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.version-stats {
    display: flex;
    gap: var(--spacing-xl);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    min-width: 120px;
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-align: center;
}

/* Version List */
.version-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.version-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.version-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.version-info h4 {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.version-meta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
}

.version-date,
.version-template {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.version-badge {
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.version-badge.ai {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
    color: var(--color-primary);
}

.version-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--color-text-muted);
    font-style: italic;
}

/* Notifications */
.notification {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    padding: var(--spacing-md) var(--spacing-xl);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    font-weight: 500;
    z-index: 10001;
    animation: slideInRight 0.3s ease-out;
    border-left: 4px solid var(--color-primary);
}

.notification-success {
    border-left-color: #10b981;
}

.notification-error {
    border-left-color: #ef4444;
}

.notification-info {
    border-left-color: #3b82f6;
}

.notification.fade-out {
    animation: fadeOut 0.3s ease-out forwards;
}

.auto-save-notification {
    position: fixed;
    bottom: var(--spacing-xl);
    left: var(--spacing-xl);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(16, 185, 129, 0.9);
    color: white;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    z-index: 10001;
    animation: slideInLeft 0.3s ease-out;
}

/* Additional Animations */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateY(10px);
    }
}

/* Responsive Adjustments for AI/Version Features */
@media (max-width: 768px) {
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .version-stats {
        flex-direction: column;
    }
    
    .version-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .version-actions {
        width: 100%;
        justify-content: flex-end;
    }
    
    .modal-content {
        max-width: 95vw;
        margin: var(--spacing-md);
    }
    
    .notification {
        left: var(--spacing-md);
        right: var(--spacing-md);
    }
}