* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}


body {
    font-family: Arial, sans-serif;

    min-height: 100vh;

    display: flex;

    justify-content: center;
    align-items: center;

    background: #f4f6f8;
}


.container {
    width: 100%;

    display: flex;

    justify-content: center;
    align-items: center;
}


.converter-card {

    width: 400px;

    background: white;

    padding: 35px;

    border-radius: 12px;

    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);

}


h1 {
    text-align: center;

    margin-bottom: 10px;
}


.subtitle {

    text-align: center;

    color: #666;

    margin-bottom: 30px;
}


.input-group {

    margin-bottom: 20px;

}


label {

    display: block;

    margin-bottom: 8px;

    font-weight: bold;

}


input {

    width: 100%;

    padding: 12px;

    border: 1px solid #ccc;

    border-radius: 6px;

    font-size: 16px;

}


button {

    width: 100%;

    padding: 12px;

    border: none;

    border-radius: 6px;

    background: #2563eb;

    color: white;

    font-size: 16px;

    cursor: pointer;

}


button:hover {

    background: #1d4ed8;

}


.result {

    margin-top: 25px;

    padding: 15px;

    text-align: center;

    background: #f1f5f9;

    border-radius: 6px;

    font-size: 18px;

}