body {
    background-color: #0d0d0d;
    color: #e0e0e0;
    font-family: 'Courier New', Courier, monospace;
    text-align: center;
    padding: 50px;
    position: relative;
    height: 100vh;
    margin: 0;
}

p {
    margin-bottom: 50px;
}

.hidden-message {
    margin-top: 50px;
    font-size: 20px;
    letter-spacing: 2px;
}

.hint {
    margin-top: 30px;
    font-size: 16px;
    color: #777;
}

.binary-hint {
    position: absolute;
    bottom: 10px;
    right: 10px;
    color: #444;
    font-size: 14px;
    cursor: pointer;
    user-select: none;
    transition: color 0.3s ease;
}

.binary-hint:hover {
    color: #e0e0e0;
}

#img {
    display: flex;
    width: 2px;
    height: 3px;
    margin-top: 5px;
    border-radius: 7%;
}

@keyframes pop {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
    }
    100% {
        transform: scale(1);
    }
}

.key-animated {
    animation: pop 0.4s ease-out;
    display: inline-block;
    margin-left: 5px;
}