* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
        }

        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
            overflow-x: hidden;
        }

        .container {
            display: flex;
            min-height: 100vh;
            width: 100vw;
        }

        .sidebar {
            width: 280px;
            background: #1a1a2e;
            color: #fff;
            padding: 2rem;
            position: fixed;
            height: 100%;
            transition: width 0.3s ease, transform 0.3s ease;
            z-index: 1000;
        }

        .sidebar .logo h1 {
            font-size: 1.8rem;
            color: #00d1b2;
            margin-bottom: 2rem;
            text-align: center;
        }

        .nav-links {
            list-style: none;
        }

        .nav-links li {
            margin: 1.5rem 0;
        }

        .nav-links a {
            color: #fff;
            text-decoration: none;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            padding: 0.8rem;
            border-radius: 8px;
            transition: background 0.3s;
        }

        .nav-links a:hover {
            background: #00d1b2;
            color: #1a1a2e;
        }

        .nav-links a i {
            margin-right: 0.8rem;
        }

        .last-updated {
            position: absolute;
            bottom: 2rem;
            font-size: 0.9rem;
            color: #a0a0a0;
        }

        .main-content {
            margin-left: 280px;
            flex: 1;
            padding: 3rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .home {
            max-width: 900px;
            background: #fff;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            animation: fadeIn 1s ease;
        }

        .profile img {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            margin: 0 auto;
            display: block;
            border: 4px solid #00d1b2;
        }

        .info {
            text-align: center;
            margin-top: 2rem;
        }

        .info p strong {
            font-size: 1.2rem;
            color: #1a1a2e;
        }

        .info h1 {
            font-size: 2.5rem;
            color: #1a1a2e;
            margin: 0.5rem 0;
        }

        .info p {
            font-size: 1rem;
            color: #555;
            line-height: 1.6;
            margin: 0.5rem 0;
        }

        .previous-index-link {
            color: #00d1b2;
            text-decoration: underline;
            font-weight: 600;
            transition: color 0.3s;
        }

        .previous-index-link:hover {
            color: #1a1a2e;
        }

        .social-links {
            margin-top: 2rem;
            display: flex;
            justify-content: center;
            gap: 1.5rem;
        }

        .social-links a {
            color: #1a1a2e;
            font-size: 1.5rem;
            transition: color 0.3s;
        }

        .social-links a:hover {
            color: #00d1b2;
        }

        hr {
            border: 0;
            height: 1px;
            background: #e0e0e0;
            margin: 2rem 0;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .sidebar {
                width: 200px;
            }
            .main-content {
                margin-left: 200px;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                width: 100%;
                height: auto;
                position: relative;
                padding: 1rem;
            }
            .main-content {
                margin-left: 0;
                padding: 1.5rem;
            }
            .home {
                padding: 1.5rem;
            }
            .info h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 480px) {
            .profile img {
                width: 120px;
                height: 120px;
            }
            .info h1 {
                font-size: 1.8rem;
            }
            .info p {
                font-size: 0.9rem;
            }
            .social-links a {
                font-size: 1.2rem;
            }
        }