body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    overflow: hidden;
    animation: backgroundAnimation 1.5s infinite alternate;
}

@keyframes backgroundAnimation {
    0% {
        background: linear-gradient(45deg, #3498db, #2ecc71);
    }
    30%{
        background: linear-gradient(45deg, #c744ff, #0ef287);
    }
    50%{
        background: linear-gradient(45deg, #ff6938, #8444c9);
    }
    100% {
        background: linear-gradient(45deg, #2ecc71, #3498db);
    }
}

.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.container {
    text-align: center;
    background: linear-gradient(45deg, #e74c3c, #3498db);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    max-width: 80%;
    margin: 0 auto;
    box-sizing: border-box;
    animation: bounceAnimation 0.5s ease infinite alternate;
    color: white;
}

/*@keyframes container backgroundAnimation{
    0%{
        background: linear-gradient(45deg, #e74c3c, #3498db);
    }
    100%{
        background: linear-gradient(45deg, #ff6938, #8444c9);
    }
}*/


@keyframes bounceAnimation {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-20px);
    }
}

.hidden {
    display: none;
}

input {
    padding: 10px;
    font-size: 16px;
    border: 1px solid #fff;
    border-radius: 4px;
    margin-bottom: 15px;
}

button {
    padding: 15px;
    font-size: 16px;
    cursor: pointer;
    background: linear-gradient(45deg, #2ecc71, #3498db);
    color: #fff;
    border: none;
    border-radius: 8px;
    transition: background 0.3s ease;
}

@media (max-width: 768px) {
    .container {
        max-width: 90%;
    }

    button {
        padding: 12px;
    }
}


.copy-right {
    text-align: center;
    padding: 10px;
    background: transparent;
    position: fixed;
    bottom: 0;
    width: 100%;
    color: white;
}

.block-cipher-text {
    color: #fff;
    animation: 1s;
}

.block-cipher-text:hover {
    color: #8F54CE;

}