body {
    font-family: 'Poppins', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f7fa;
    color: #333;
    overflow-x: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    max-width: 600px;
    width: 100%;
    margin: 0;
    padding: 30px;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1), 0 0 15px rgba(60, 180, 255, 0.1);
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.container:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2), 0 0 20px rgba(60, 180, 255, 0.3);
    background-color: #f9f9f9;
}

h1 {
    text-align: center;
    color: #3cb4ff;
    margin-bottom: 10px;
    font-size: 2.2rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    text-shadow: 0 3px 8px rgba(60, 180, 255, 0.8);
}

.author {
    text-align: center;
    font-size: 0.95rem;
    color: #888;
    margin-bottom: 20px;
}

.author a {
    color: #3cb4ff;
    font-weight: bold;
    text-decoration: none;
    transition: color 0.3s ease, text-shadow 0.3s ease, transform 0.3s ease;
}

.author a:hover {
    color: #82e9de;
    text-shadow: 0 3px 6px rgba(130, 233, 222, 0.8);
    transform: translateY(-3px);
}

.form {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
}

input[type="text"] {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 2px solid #3cb4ff;
    border-radius: 6px;
    background-color: #f4f7fa;
    color: #333;
    font-size: 1rem;
    transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
    box-sizing: border-box;
}

input[type="text"]:focus {
    outline: none;
    border-color: #82e9de;
    box-shadow: 0 0 8px rgba(130, 233, 222, 0.8);
    transform: scale(1.02);
}

button {
    padding: 12px 25px;
    background: linear-gradient(135deg, #3cb4ff, #82e9de);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    font-weight: bold;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease, filter 0.3s ease;
    text-shadow: 0 2px 5px rgba(255, 255, 255, 0.5);
}

button:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(60, 180, 255, 0.4);
    background: linear-gradient(135deg, #82e9de, #3cb4ff);
    filter: brightness(1.2);
}

.output {
    display: none;
    margin-top: 20px;
    background-color: #f9f9f9;
    padding: 15px;
    border-radius: 6px;
    border-left: 5px solid #3cb4ff;
    animation: fadeIn 0.5s ease;
    box-shadow: 0 3px 10px rgba(60, 180, 255, 0.1);
}

.result {
    margin-bottom: 5px;
    color: #333;
}

footer {
    text-align: center;
    padding: 15px 10px;
    margin-top: 20px;
    background-color: #ffffff;
    font-size: 0.9rem;
    border-top: 2px solid #3cb4ff;
    box-shadow: 0 -3px 10px rgba(0, 0, 0, 0.1);
    color: #888;
    border-radius: 20px;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

footer:hover {
    background-color: #f4f7fa;
    transform: translateY(-3px);
    box-shadow: 0 3px 20px rgba(60, 180, 255, 0.2);
}

footer a {
    color: #3cb4ff;
    font-weight: bold;
    text-decoration: none;
    transition: color 0.3s ease, text-shadow 0.3s ease, transform 0.3s ease;
}

footer a:hover {
    color: #82e9de;
    text-shadow: 0 3px 6px rgba(130, 233, 222, 0.8);
    transform: translateY(-3px);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@media screen and (max-width: 768px) {
    body {
        padding: 20px;
    }

    .container {
        max-width: 90%;
        padding: 20px;
    }

    h1 {
        font-size: 1.8rem;
    }

    .author {
        font-size: 0.85rem;
    }

    footer {
        font-size: 0.85rem;
    }
}

@media screen and (max-width: 576px) {
    input[type="text"],
    button {
        width: 100%;
        font-size: 1rem;
    }

    button {
        padding: 12px;
    }

    footer {
        font-size: 0.8rem;
    }
}