/* CSS Reset and Base Styles */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        :root {
            --primary-color: #6e56cf;
            --primary-light: #f0ebff;
            --primary-dark: #5a45b0;
            --bg-color: #f9f9f9;
            --text-color: #333;
            --text-muted: #666;
            --border-color: #eee;
            --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            --border-radius: 8px;
            --spacing-sm: 8px;
            --spacing-md: 15px;
            --spacing-lg: 20px;
            --spacing-xl: 30px;
        }

        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            max-width: 1200px;
            margin: 0 auto;
            padding: var(--spacing-lg);
            background-color: var(--bg-color);
            color: var(--text-color);
            line-height: 1.5;
        }

        /* Typography */
        h1 {
            text-align: center;
            color: var(--primary-color);
            margin-bottom: var(--spacing-xl);
        }

        h2 {
            margin-top: 0;
            margin-bottom: var(--spacing-sm);
            color: var(--primary-color);
        }

        /* Layout components */
        .language-toggle {
            position: absolute;
            top: 10px;
            right: 20px;
            display: flex;
            gap: 10px;
        }

        .language-btn {
            padding: 5px 10px;
            background-color: var(--primary-light);
            border: 1px solid var(--primary-color);
            border-radius: 4px;
            cursor: pointer;
            color: var(--primary-color);
        }

        .language-btn.active {
            background-color: var(--primary-color);
            color: white;
        }

        .controls {
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-bottom: var(--spacing-xl);
            padding: var(--spacing-lg);
            border: 2px dashed var(--primary-color);
            border-radius: var(--border-radius);
            background-color: var(--primary-light);
        }

        .file-input {
            margin-bottom: var(--spacing-md);
            text-align: center;
        }

        .file-input label {
            font-size: 18px;
            margin-bottom: var(--spacing-md);
            display: block;
        }

        input[type="file"] {
            margin-bottom: var(--spacing-md);
        }

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

        button {
            padding: var(--spacing-sm) var(--spacing-md);
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            transition: background-color 0.2s ease;
        }

        button:hover {
            background-color: var(--primary-dark);
        }

/* Search */
		
		.left-column {
			width: 30%;
			display: flex;
			flex-direction: column;
			gap: var(--spacing-md);
		}
		
		.search-field {
			background-color: white;
			border-radius: var(--border-radius);
			box-shadow: var(--shadow);
			padding: var(--spacing-sm);
		}
		
		.search-input {
		    flex: 1;
            border: none;
            padding: 10px 12px;
            font-size: 14px;
            outline: none;
		}
		
        .search-wrapper {
            position: relative;
            width: 100%;
            display: flex;
            align-items: center;
            border: 1px solid #ddd;
            border-radius: 8px;
            background: white;
        }

        /* Dropdown selector container */
        .search-type-selector {
            position: relative;
            z-index: 3;
        }


        /* Dropdown button */
        .search-type-button {
        background: #f5f5f5;
        border: none;
        border-right: 1px solid #ddd;
        color: #555;
        font-size: 13px;
        padding: 10px 12px;
        cursor: pointer;
        border-radius: 7px 0 0 7px;
        white-space: nowrap;
        font-weight: 600; /* Slightly bolder for active */
        }

        .search-type-button:hover {
            background-color: rgba(0, 0, 0, 0.05);
        }


        /* Dropdown menu */
        .search-type-dropdown {
            position: absolute;
            top: calc(100% + 2px);
            left: 0;
            background: white;
            border-radius: 4px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            min-width: 150px;
            z-index: 10;
        }

        /* Dropdown options */
        .search-type-option {
            padding: 6px 10px;
            cursor: pointer;
            font-size: 13px; /* Smaller font */
            font-weight: 500; /* Semi-bold */
            font-size: 13px;
            color: #333;
        }

        .search-type-option:hover {
            background-color: #f5f5f5;
        }

        .search-type-option.active {
            background-color: #efefef;
            font-weight: 600; /* Slightly bolder for active */
        }

/* Clear button positioning */
.clear-search-button {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: #ccc;
    border: none;
    color: white;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    font-size: 12px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}
		.clear-search-button:hover {
			background: #999;
		}

        .search-highlight {
            background-color: #e0d6ff;
            color: var(--primary-color);
            border-radius: 3px; 
            font-weight: 600;
        }

        .current-highlight {
          background-color: var(--primary-color) !important;
          color: white !important;
        }
  
        .search-toast {
          position: fixed;
          bottom: 30px;
          left: 50%;
          transform: translateX(-50%);
          background-color: rgba(0, 0, 0, 0.7);
          color: white;
          padding: 8px 16px;
          border-radius: 20px;
          font-size: 14px;
          z-index: 1000;
          pointer-events: none;
          opacity: 0;
          transition: opacity 0.3s ease;
         }

          .search-toast.visible {
          opacity: 1;
          }

        .conversations-container {
            display: flex;
            height: calc(100vh - 200px);
            gap: var(--spacing-lg);
        }

        .conversation-list,
        .messages-container {
            background-color: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            overflow-y: auto;
        }

        .conversation-list {
            width: 30%;
            flex-shrink: 0;
        }

        .messages-container {
            flex-grow: 1;
            padding: var(--spacing-lg);
        }

        /* Conversation items */
        .conversation-item {
            padding: var(--spacing-md);
            border-bottom: 1px solid var(--border-color);
            cursor: pointer;
            transition: background-color 0.2s ease;
        }

        .conversation-item:hover {
            background-color: var(--primary-light);
        }

        .conversation-item.active {
            background-color: #e0d6ff;
            border-left: 4px solid var(--primary-color);
        }

        .conversation-title {
            font-weight: 600;
            margin-bottom: 5px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .conversation-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Message styling */
        .message {
            margin-bottom: var(--spacing-lg);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            max-width: 95%;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
        }

        .message.user {
            background-color: #e0d6ff;
            margin-left: auto;
            border-bottom-right-radius: 0;
        }

        .message.assistant {
            background-color: #f0f0f0;
            margin-right: auto;
            border-bottom-left-radius: 0;
        }

        .message-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: var(--spacing-sm);
        }

        .message-sender {
            font-weight: 600;
        }

        .message-time {
            font-size: 12px;
            color: var(--text-muted);
        }

        .message-content {
            white-space: normal;; /* //pre-wrap */
        }

        /* Style for markdown content */
        .message-content p {
            margin-bottom: 1em;
        }

        .message-content h1,
        .message-content h2,
        .message-content h3,
        .message-content h4,
        .message-content h5,
        .message-content h6 {
            margin-top: 1.5em;
            margin-bottom: 0.75em;
        }

        .message-content ul,
        .message-content ol {
            margin-bottom: 1em;
            padding-left: 2em;
        }

        .message-content blockquote {
            border-left: 3px solid #ccc;
            padding-left: 1em;
            margin-left: 0;
            color: #666;
        }

        .message-content table {
            border-collapse: collapse;
            margin-bottom: 1em;
            width: 100%;
        }

        .message-content th,
        .message-content td {
            padding: 8px;
            border: 1px solid #ddd;
            text-align: left;
        }

        .message-content th {
            background-color: #f5f5f5;
        }

        .message-section {
            margin-bottom: var(--spacing-lg);
            padding-bottom: var(--spacing-sm);
            border-bottom: 1px dashed #ddd;
        }

        /* Conversation info */
        .conversation-info {
            padding: var(--spacing-md);
            background-color: var(--primary-light);
            border-radius: var(--border-radius);
            margin-bottom: var(--spacing-lg);
        }

        /* Stats */
        .stats {
            margin-top: var(--spacing-lg);
            text-align: center;
            color: var(--text-muted);
        }

        /* Status messages */
        .loading,
        .empty-state {
            text-align: center;
            color: var(--text-muted);
        }

        .loading {
            padding: var(--spacing-xl);
            font-style: italic;
        }

        .empty-state {
            padding: 50px var(--spacing-lg);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100%;
            margin: auto;
        }

        .empty-state p {
            margin-bottom: var(--spacing-xl);
        }

        /* Code formatting */
        code {
            background: #f0f0f0;
            padding: 2px 5px;
            border-radius: 3px;
            font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
            font-size: 0.9em;
        }

        pre {
            background: #f0f0f0;
            padding: var(--spacing-sm);
            border-radius: 5px;
            overflow-x: auto;
            margin: var(--spacing-sm) 0;
        }

        .hljs {
            padding: var(--spacing-md);
            border-radius: 5px;
            font-family: 'Consolas', 'Monaco', monospace;
            line-height: 1.4;
            font-size: 14px;
        }

        /* Artifacts */
        .artifact {
            background: #fff5e6;
            border: 1px solid #ffcc80;
            border-radius: 5px;
            padding: var(--spacing-md);
            margin: var(--spacing-sm) 0;
        }

        .artifact-header {
            font-weight: bold;
            color: #ff9800;
            margin-bottom: 5px;
        }

        .artifact-content {
            max-height: 500px;
            overflow-y: auto;
            background: #fff;
            padding: var(--spacing-sm);
            border-radius: 3px;
            border: 1px solid #eee;
        }

        .artifact-file {
            font-style: italic;
            color: var(--text-muted);
            margin-bottom: 5px;
        }

        /* Responsive adjustments */
        @media (max-width: 768px) {
            .conversations-container {
                flex-direction: column;
                height: auto;
            }

            .conversation-list {
                width: 100%;
                margin-bottom: var(--spacing-lg);
                max-height: 300px;
            }

            .message {
                max-width: 100%;
            }
        }