body {
    font-family: Arial, sans-serif;
    text-align: center;
    padding: 20px;
}
.logo {
    width: 250px;
    margin: 20px 0;
}
.form-container {
    width: 280px;
    margin: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
label {
    text-align: left;
    font-weight: bold;
}
input {
    width: 100%;
    padding: 6px;
    margin-top: 4px;
    border: 1px solid #aaa;
    border-radius: 5px;
}
button {
    padding: 10px;
    background: #0077ff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
button:hover {
    background: #005fcc;
}
#resultat {
    margin-top: 20px;
    color: #0a4;
    font-size: 18px;
}