* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        font-family: "Poppins", sans-serif;
    }

    body {
        background: #0a0f1c;
        color: #fff;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        min-height: 100vh;
        text-align: center;
        padding: 20px;
    }

    header {
        width: 100%;
        padding: 20px 0;
        background: rgba(255, 255, 255, 0.05);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        display: flex;
        justify-content: center;
        align-items: center;
    }

    header img {
        width: 120px;
        height: auto;
        border-radius: 20px;
    }

    .container {
        max-width: 500px;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 12px;
        padding: 30px 20px;
        margin-top: 30px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }

    h1 {
        font-size: 1.8rem;
        margin-bottom: 10px;
        color: #00a8ff;
    }

    p {
        color: #ccc;
        font-size: 0.95rem;
        margin-bottom: 25px;
    }

    .btn {
        display: block;
        width: 100%;
        background: #00a8ff;
        color: #fff;
        padding: 14px 0;
        border: none;
        border-radius: 8px;
        font-size: 1rem;
        cursor: pointer;
        transition: 0.3s;
        margin-bottom: 12px;
    }

    .btn:hover {
        background: #007acc;
    }

    .message-box {
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 10px;
        padding: 15px;
        color: #f0f0f0;
        font-size: 0.9rem;
        margin-top: 15px;
        display: none;
        animation: fadeIn 0.4s ease;
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(10px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    footer {
        margin-top: 40px;
        font-size: 0.85rem;
        color: #777;
    }

    footer a {
        color: #00a8ff;
        text-decoration: none;
    }

    footer a:hover {
        text-decoration: underline;
    }