body {
            font-family: 'Roboto', sans-serif;
            margin: 0;
            padding: 0;
            background-color: #ffffff;
            color: #000000;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            font-size: 14px;
        }
        .content-wrapper {
            display: flex;
            flex: 1;
        }
        .sidebar {
            width: 250px;
            background: #f8f9fa;
            padding: 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
        }
        .sidebar img {
            width: 140px;
            height: 180px;
            object-fit: cover;
            margin-bottom: 10px;
            border: 3px solid #ddd;
            border-radius: 10px;
        }
        .sidebar p {
            text-align: center;
            font-size: 14px;
            margin-bottom: 15px;
            color: #555;
        }
        .social-icons {
            display: flex;
            flex-direction: column;
            width: 100%;
            align-items: flex-start;
        }
        .social-icons a {
            color: #333;
            font-size: 14px;
            display: flex;
            align-items: center;
            padding: 8px 15px;
            text-decoration: none;
            width: 100%;
        }
        .social-icons a i {
            width: 30px;
            text-align: center;
        }
        .social-icons a span {
            flex-grow: 1;
            text-align: left;
        }
        .main-content {
            flex: 1;
            padding: 40px;
            overflow-y: auto;
        }
        .nav-bar {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-bottom: 30px;
            background: #eaeaea;
            padding: 10px 0;
        }
        .nav-bar a {
            text-decoration: none;
            font-size: 16px;
            color: #666;
            font-weight: bold;
            padding: 8px 15px;
            transition: 0.3s;
        }
        .nav-bar a:hover, .nav-bar a.active {
            color: #222;
        }
        .content {
            display: none;
            padding: 20px;
        }
        .content.active {
            display: block;
        }
        footer {
            background-color: #f1f1f1;
            text-align: center;
            padding: 10px;
            font-size: 14px;
            margin-top: 20px;
        }