.pinpad-container {
    display: none;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    position: absolute;
    background: #f6f7f8;
    transition: background-color 0.3s;
    border-radius: 5px;
    padding: 20px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.25);
    width: 12vw;
    text-align: center;
    color: #333;
    font-family: "Arial", sans-serif;
}

#PINbox {
    background: #fff;
    border: 1px solid #d5d5d5;
    color: #333;
    text-align: center;
    font-size: 1em;
    margin-bottom: 10px;
    padding: 10px;
    border-radius: 5px;
    width: 100%;
}

.PINbutton {
    background: #fff;
    border: 1px solid #d5d5d5;
    border-radius: 5px;
    color: #333;
    width: 60px;
    height: 60px;
    margin: 5px;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.3s;
}

.PINbutton:hover {
    background: #e4e4e4;
}

.PINbutton:active {
    transform: scale(0.95);
}

.clear-button {
    background-color: #ff4d4d;
    color: #fff;
    font-size: 1em;
    width: calc(100% - 40px);
    height: 50px;
    margin: 5px;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.clear-button:hover {
    background-color: #ff3333;
}