.formule {
    margin: 10px;
    background-color: transparent;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1); /* Light shadow for a clean look */
    max-width: 400px;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;
    gap: 20px;
}

/* Styling the form */
.formule form {
    display: flex;
    flex-direction: column;
}

/* Container for the input and label */
.form-group {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin-bottom: 15px
}

/* Styling for the input fields */
.formule input {
    width: 100%;
    max-width: 400px;
    padding: 19px 15px 8px 15px;
    box-sizing: border-box;
    font-size: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: rgba(250, 250, 250, 0.925);
    transition: background-color 0.3s, border-color 0.3s;
}

/* Styling the label inside the input */
.formule label {
    position: absolute;
    top: 20px;
    left: 15px;
    font-size: 20px;
    color: #888;
    pointer-events: none;
    transition: all 0.3s ease;
}

/* Move label when input is focused or has text */
.formule input:focus + label,
.formule input:valid + label {
    top: 2px;
    left: 15px;
    font-size: 15px;
    color: #ff00f2;
}

/* Input focus state */
.formule input:focus {
    background-color: #f1eaece0;
    border-color: #ff00f2;
    outline: none; /* Remove default outline */
    box-shadow: 0 0 8px rgba(243, 109, 221, 0.2); /* Light blue glow on focus */
}

/* Error message styling */
.err {
    color: #d9534f;
    font-size: 15px;
    margin-top: 5px;
    padding: 1px 15px;
    display: inline-block;
}

/* Styling for the submit button */
.formule input[type="submit"] {
    background-color: #161b20;
    color: #fff;
    font-weight: bold;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 20px;
    font-family: "Fuzzy Bubbles";
    transition: background-color 0.3s, box-shadow 0.3s;
}

.formule input[type="submit"]:hover {
    background-color: #770849;
    box-shadow: 0 4px 10px rgba(2, 18, 36, 0.3); /* Shadow on hover */
}

.formule input[type="submit"]:active {
    background-color: #411141;
}

@media (max-width: 550px) {
    .formule {
        padding: 30px 30px;
    }

    .formule label, .formule input, .formule input[type="submit"] {
        font-size: 0.9rem;
    }

    .formule label {
        top: 17px;
    }

    .formule input {
        padding: 19px 13px 8px 13px;
    }

    .formule input:focus + label,
    .formule input:valid + label {
        font-size: 0.7rem;
        top: 4px;
        left: 13px;
    }
}

/* Responsive Design */
@media (max-width: 300px) {
    .formule {
        padding: 20px 20px;
    }

    .formule label, .formule input, .formule input[type="submit"] {
        font-size: 0.7rem;
    }



    .formule label {
        top: 15px;
    }

    .formule input {
        padding: 15px 9px 5px 9px;
    }

    .formule input:focus + label,
    .formule input:valid + label {
        font-size: 0.55rem;
        top: 3px;
        left: 11px;
    }

}


/* Responsive Design */
@media (max-height: 300px) {

    .formule label, .formule input, .formule input[type="submit"] {
        font-size: 0.5rem;
    }

    .formule input {
        padding: 12px 9px 5px 9px;
    }

    .formule label {
        top: 12px;
    }

}