.pin-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    max-width: 300px;
    margin: auto;
}

.pin-display {
    font-size: 1.0rem;
    letter-spacing: 0.5rem;
    padding: 0.4rem 0.3rem 0rem 0.3rem;
    border: 2px solid #ccc;
    border-radius: 0.5rem;
    width: 100%;
    min-height:38px;
    text-align: center;
    background-color: #f8f8f8;
}

.pin-keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.3rem;
    width: 100%;
}

    .pin-keypad button {
        font-size: 1.4rem;
        padding: 1rem;
        border-radius: 0.5rem;
        border: none;
        background-color: #e0e0e0;
        cursor: pointer;
        transition: background-color 0.2s;
    }

        .pin-keypad button:hover {
            background-color: #d0d0d0;
        }

.login-button {
    font-size: 1.3rem;
    padding: 0.5rem 4.1rem;
    border-radius: 0.5rem;
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
}

    .login-button:hover {
        background-color: #45a049;
    }