* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        :root {
            --lg-blue: #0046be;
            --lg-dark: #2d2d2d;
            --lg-light: #f5f5f5;
            --lg-gray: #e0e0e0;
            --lg-accent: #00a4e4;
        }
        
        body {
            background-color: #f9f9f9;
            color: #333;
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        header {
            background: linear-gradient(135deg, var(--lg-blue) 0%, var(--lg-accent) 100%);
            color: white;
            padding: 25px 0;
            border-radius: 10px 10px 0 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 30px;
        }
        
        h1 {
            font-size: 2.2rem;
            margin-bottom: 5px;
        }
        
        .subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
        }
        
        .model-number {
            background: white;
            color: var(--lg-blue);
            padding: 8px 15px;
            border-radius: 20px;
            font-weight: bold;
            font-size: 1.1rem;
        }
        
        .manual-container {
            display: flex;
            gap: 30px;
            margin-top: 20px;
        }
        
        .sidebar {
            flex: 0 0 250px;
            background: white;
            border-radius: 10px;
            padding: 20px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
            height: fit-content;
            position: sticky;
            top: 20px;
        }
        
        .sidebar h3 {
            color: var(--lg-blue);
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--lg-gray);
        }
        
        .nav-links {
            list-style: none;
        }
        
        .nav-links li {
            margin-bottom: 8px;
        }
        
        .nav-links a {
            display: block;
            padding: 10px 15px;
            color: var(--lg-dark);
            text-decoration: none;
            border-radius: 5px;
            transition: all 0.3s ease;
        }
        
        .nav-links a:hover, .nav-links a.active {
            background-color: var(--lg-blue);
            color: white;
        }
        
        .content {
            flex: 1;
            background: white;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
        }
        
        .section {
            margin-bottom: 40px;
            display: none;
        }
        
        .section.active {
            display: block;
        }
        
        .section h2 {
            color: var(--lg-blue);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--lg-gray);
        }
        
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin: 25px 0;
        }
        
        .feature-card {
            background: var(--lg-light);
            border-radius: 8px;
            padding: 20px;
            border-left: 4px solid var(--lg-blue);
        }
        
        .feature-card h4 {
            color: var(--lg-dark);
            margin-bottom: 10px;
        }
        
        .instructions {
            background: var(--lg-light);
            border-radius: 8px;
            padding: 20px;
            margin: 20px 0;
        }
        
        .instructions ol, .instructions ul {
            margin-left: 20px;
            margin-top: 10px;
        }
        
        .instructions li {
            margin-bottom: 8px;
        }
        
        .warning {
            background: #fff3e0;
            border-left: 4px solid #ff9800;
            padding: 15px;
            margin: 20px 0;
            border-radius: 4px;
        }
        
        .specs-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
        }
        
        .specs-table th, .specs-table td {
            padding: 12px 15px;
            text-align: left;
            border-bottom: 1px solid var(--lg-gray);
        }
        
        .specs-table th {
            background-color: var(--lg-light);
            color: var(--lg-dark);
        }
        
        .troubleshooting-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
        }
        
        .troubleshooting-table th, .troubleshooting-table td {
            padding: 12px 15px;
            text-align: left;
            border: 1px solid var(--lg-gray);
        }
        
        .troubleshooting-table th {
            background-color: var(--lg-light);
            color: var(--lg-dark);
        }
        
        .download-section {
            background: var(--lg-light);
            border-radius: 8px;
            padding: 20px;
            margin: 30px 0;
        }
        
        .model-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 15px;
            margin-top: 15px;
        }
        
        .model-card {
            background: white;
            border-radius: 8px;
            padding: 15px;
            text-align: center;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease;
        }
        
        .model-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        
        .model-card h4 {
            color: var(--lg-dark);
            margin-bottom: 10px;
        }
        
        .download-btn {
            display: inline-block;
            background: var(--lg-blue);
            color: white;
            padding: 8px 15px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: bold;
            font-size: 0.9rem;
            transition: background 0.3s ease;
        }
        
        .download-btn:hover {
            background: #003399;
        }
        
        .program-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin: 20px 0;
        }
        
        .program-card {
            background: white;
            border-radius: 8px;
            padding: 15px;
            border: 1px solid var(--lg-gray);
        }
        
        .program-card h4 {
            color: var(--lg-blue);
            margin-bottom: 8px;
        }
        
        .program-card p {
            font-size: 0.9rem;
            color: #666;
        }
        
        footer {
            text-align: center;
            margin-top: 50px;
            padding: 20px;
            color: #666;
            font-size: 0.9rem;
            border-top: 1px solid var(--lg-gray);
        }
        
        .download-btn-large {
            display: inline-block;
            background: var(--lg-blue);
            color: white;
            padding: 12px 25px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: bold;
            margin-top: 15px;
            transition: background 0.3s ease;
        }
        
        .download-btn-large:hover {
            background: #003399;
        }
        
        @media (max-width: 768px) {
            .manual-container {
                flex-direction: column;
            }
            
            .sidebar {
                position: static;
                margin-bottom: 20px;
            }
            
            .header-content {
                flex-direction: column;
                text-align: center;
                gap: 15px;
            }
            
            h1 {
                font-size: 1.8rem;
            }
            
            .model-grid, .program-grid {
                grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            }
        }
		 /* Search Box Styles */
        .global-search {
            max-width: 600px;
            margin: 20px auto;
            display: flex;
            align-items: center;
            background-color: #f8f9fa;
            border-radius: 25px;
            padding: 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }

        .global-search .form-group {
            flex: 1;
            margin: 0;
            display: flex;
        }

        .global-search input[type="text"] {
            border: none;
            background: transparent;
            padding: 12px 20px;
            font-size: 16px;
            outline: none;
            flex: 1;
        }

        .global-search input[type="text"]::placeholder {
            color: #6c757d;
        }

        .global-search .input-group-btn {
            white-space: nowrap;
            background-color: #007bff;
            border-radius: 0 25px 25px 0;
        }

        .global-search button {
            background-color: #007bff;
            border: none;
            color: white;
            padding: 12px 20px;
            border-radius: 0;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s ease;
            height: 100%;
        }

        .global-search button:hover {
            background-color: #0056b3;
        }

        @media (max-width: 768px) {
            .global-search {
                flex-direction: column;
                border-radius: 15px;
            }
            
            .global-search .form-group {
                flex-direction: column;
                width: 100%;
            }
            
            .global-search input[type="text"] {
                border-radius: 15px 15px 0 0;
                width: 100%;
            }
            
            .global-search .input-group-btn {
                border-radius: 0 0 15px 15px;
                width: 100%;
            }
            
            .global-search button {
                width: 100%;
                border-radius: 0;
            }
        }

        .download-btn.form-download { 
            display: inline-block; 
            width: 100%; 
            padding: 15px; 
            background: #1a73e8; 
            color: white; 
            text-decoration: none; 
            border-radius: 6px; 
            font-weight: bold; 
            margin-top: 10px; 
            border: none; 
            cursor: pointer; 
            font-size: 16px; 
            box-shadow: 0 2px 4px rgba(0,0,0,0.1); 
            transition: background 0.3s ease, transform 0.2s ease; 
        }
        .download-btn.form-download:hover { 
            background: #1557b0; 
            transform: translateY(-1px); 
        }
        .download-btn.form-download input.calc-input { 
            background: transparent; 
            border: none; 
            color: white; 
            font-size: 16px; 
            font-weight: bold; 
            width: 100%; 
            cursor: pointer; 
            padding: 0; 
            margin: 0; 
            text-align: center; 
        }
        .download-btn.form-download input.calc-input:hover { 
            background: transparent; 
        }
        .model-card .download-btn.form-download { 
            padding: 18px 20px;
            font-size: 18px; 
        }
		
		/* Styles for the form acting as a download hyperlink/button */
.download-btn {
    display: inline-block;
    background-color: #1a73e8; /* LG blue theme */
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 4px;
    font-family: Arial, sans-serif;
    font-size: 14px;
    font-weight: bold;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: background-color 0.3s ease;
    width: auto;
    margin: 5px 0;
}

.download-btn:hover {
    background-color: #1557b0; /* Darker blue on hover */
}

.download-btn:active {
    background-color: #0d47a1; /* Even darker on active */
}

.calc-input {
    background-color: transparent;
    color: inherit;
    border: none;
    padding: 0;
    font: inherit;
    cursor: pointer;
    width: 100%;
    height: 100%;
    text-align: center;
}

.calc-input:hover {
    background-color: transparent;
}

.calc-input:active {
    background-color: transparent;
}