html, body {
    padding: 0;
    margin: 0;
    height: 100%;
    width: 100%;
    overflow: hidden;
}

body {
    font-family: Calibri, sans-serif;
}

#appFrame {
    border: none;
    width: 100%;
    height: 100%;
    display: block;
}

/* Overlay to force permission request in parent scope */
#permission-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    flex-direction: column;
    text-align: center;
}

#permission-btn {
    padding: 15px 30px;
    font-size: 18px;
    background-color: #0079c1;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

#permission-text {
    font-size: 16px;
    color: #333;
    margin-bottom: 10px;
    padding: 0 20px;
}