/* Css for , Version=1772087688 */
 
        :root {
            --primary-blue: #0056b3; 
            --bg-color: #f7f9fc;
            --module-bg: #ffffff;
        }

        body {
            font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            margin: 0;
            padding: 0;
            background-color: var(--bg-color);
            overflow-x: hidden;
            text-align: center;
        }

        header {
            padding: 30px 20px 20px;
        }

        h1 {
            font-size: 1.8rem;
            margin: 0;
            color: var(--primary-blue);
            letter-spacing: 1px;
        }

        h1 span {
            font-weight: 700;
            color: var(--primary-blue);
        }

        .main-container {
            max-width: 800px;
            width: 90%;
            margin: 0 auto;
            padding: 0 0 40px;
        }

        #canvas-container {
            width: 100%;
            height: 338px; 
            margin: 0 auto 20px;
            position: relative;
            background: var(--module-bg);
            border-radius: 18px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.08);
            overflow: hidden;
        }

        .interaction-hint {
            font-size: 14px;
            position: absolute;
            bottom: 15px;
            left: 50%;
            transform: translateX(-50%);
            color: #666;
            background: rgba(255,255,255,0.8);
            padding: 8px 18px;
            border-radius: 25px;
            border: 1px solid #ddd;
            z-index: 11;
            font-weight: 600;
        }

        .css-label-renderer {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
        }
        .atom-label {
            font-size: 16px;
            color: white;
            padding: 3px 6px;
            border-radius: 4px;
            font-weight: bold;
            text-shadow: 0 0 3px rgba(0,0,0,0.5);
            pointer-events: none;
            transform: translate(-50%, -50%);
        }

        .si-label { background-color: var(--primary-blue); }
        .h-label { background-color: #666; color: #eee; }
        .cl-label { background-color: #28a745; }

        @media (max-width: 768px) {
            h1 { font-size: 1.5rem; }
            #canvas-container { height: 260px; }
        }