html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background-color: #fafafa;
    overscroll-behavior-y: contain; /* Allows native pull-to-refresh on mobile if supported */
}

#loader {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: Arial, sans-serif;
    font-size: 16px;
    color: #666;
    z-index: 10;
}

#siteFrame {
    position: absolute; /* Better for mobile scrolling than fixed */
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
    z-index: 20;
    background-color: transparent; 
}

#whatsappButton {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 999999;

    display: flex;
    align-items: center;
    justify-content: center;

    width: 58px;
    height: 58px;

    border-radius: 50%;
    background-color: #ffffff;
    color: #333333;

    text-decoration: none;
    font-family: Arial, sans-serif;
    font-size: 12px;
    font-weight: 600;

    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

#whatsappButton:hover {
    transform: scale(1.08);
}

#whatsappButton:active {
    transform: scale(0.95);
}

@media (max-width: 600px) {
    #whatsappButton {
        right: 15px;
        bottom: 15px;
        width: 54px;
        height: 54px;
    }
}