/* css/rag-system.css - RAG System UI Styling */

/* Document Library Sidebar */
.document-library-sidebar {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.document-library-sidebar * {
    box-sizing: border-box;
}

/* Document List Items */
.document-item:hover {
    background-color: #f8f9fa !important;
}

.document-item:hover .doc-action-btn {
    color: #333 !important;
}

.doc-action-btn:hover {
    background-color: rgba(0, 0, 0, 0.1) !important;
    color: #000 !important;
}

.document-checkbox {
    accent-color: #007acc;
}

/* RAG Mode Toggle Button */
#rag-mode-toggle:hover,
#document-library-toggle:hover {
    background-color: rgba(0, 122, 204, 0.1) !important;
    border-color: #007acc !important;
}

/* RAG Processing Progress Indicator */
.rag-progress-indicator {
    animation: slideInRight 0.3s ease-out;
}

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

/* Processing Mode Modal */
.processing-mode-modal {
    backdrop-filter: blur(5px);
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Chat System RAG Enhancements */
.message.system {
    opacity: 0.8;
    font-size: 0.9em;
    font-style: italic;
    margin: 0.5rem 0;
}

.message.system .message-content {
    padding: 0.5rem 1rem;
    background-color: rgba(0, 122, 204, 0.1);
    border-left: 3px solid #007acc;
    border-radius: 4px;
}

/* Sources Display for RAG Responses */
.rag-sources {
    margin-top: 1rem;
    padding: 0.75rem;
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 6px;
}

.rag-sources-title {
    font-weight: 600;
    color: #495057;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rag-source-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0;
    font-size: 0.9em;
}

.rag-source-item a {
    color: #007acc;
    text-decoration: none;
}

.rag-source-item a:hover {
    text-decoration: underline;
}

/* Document Upload Progress */
.upload-progress {
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    padding: 0.75rem;
    margin: 0.5rem 0;
}

.upload-progress-bar {
    background-color: #e9ecef;
    border-radius: 2px;
    height: 8px;
    overflow: hidden;
    position: relative;
}

.upload-progress-fill {
    background-color: #28a745;
    height: 100%;
    border-radius: 2px;
    transition: width 0.3s ease;
    position: relative;
}

.upload-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-image: linear-gradient(
        -45deg,
        rgba(255, 255, 255, 0.2) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.2) 75%,
        transparent 75%,
        transparent
    );
    background-size: 16px 16px;
    animation: progress-stripes 1s linear infinite;
}

@keyframes progress-stripes {
    0% { background-position: 0 0; }
    100% { background-position: 16px 0; }
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: #6c757d;
}

.empty-state h3 {
    margin: 0 0 0.5rem;
    font-size: 1.1em;
    font-weight: normal;
}

.empty-state p {
    margin: 0;
    font-size: 0.9em;
    opacity: 0.8;
}

/* Loading States */
.loading-state {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 2rem;
    color: #6c757d;
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #e9ecef;
    border-top: 2px solid #007acc;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .document-library-sidebar {
        width: 100vw !important;
        right: -100vw !important;
    }
    
    .document-library-sidebar.open {
        right: 0 !important;
    }
    
    .processing-mode-modal .dialog {
        margin: 1rem;
        width: calc(100% - 2rem) !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .document-item {
        border-bottom: 2px solid #000 !important;
    }
    
    .rag-progress-indicator {
        border: 2px solid #000 !important;
    }
    
    .message.system .message-content {
        border-left-width: 4px !important;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .document-library-sidebar,
    .rag-progress-indicator,
    .processing-mode-modal {
        transition: none !important;
        animation: none !important;
    }
    
    .upload-progress-fill::after {
        animation: none !important;
    }
}