body {
    background: url('sharingan.jpg') no-repeat center center fixed;
    background-size: cover;
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-position: center;
    animation: pulseBackground 10s infinite;
    font-family: 'Arial', sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
}

@keyframes pulseBackground {
    0% { background-size: 100%; }
    50% { background-size: 110%; }
    100% { background-size: 100%; }
}

.container {
    background: rgba(255, 255, 255, 0.2);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    text-align: center;
    max-width: 600px;
    width: 100%;
    color: white;
}

textarea {
    width: 100%;
    height: 200px;
    border-radius: 5px;
    padding: 10px;
    resize: none;
    font-family: monospace;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

button {
    background-color: #1c1c1c;
    color: white;
    border: none;
    padding: 10px 20px;
    margin-top: 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.3s;
}

button:hover {
    background-color: #e60000;
    transform: scale(1.1);
}

button:active {
    animation: shake 0.3s;
}

@keyframes shake {
    0% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
    100% { transform: translateX(0); }
}

#result {
    margin-top: 20px;
    padding: 15px;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.8);
    color: black;
    display: none;
}

.copy-button {
    background-color: #1c1c1c;
    color: white;
    border: none;
    padding: 8px 15px;
    margin-top: 10px;
    border-radius: 5px;
    cursor: pointer;
}

.copy-button:hover {
    background-color: #e60000;
    transform: scale(1.1);
}