/* ===== ANUNCIO PANTALLA COMPLETA ===== */
#anuncio-fullscreen {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.85);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    padding: 20px;
}
#anuncio-fullscreen.active { display: flex; }

#anuncio-fullscreen .anuncio-contenido {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    background: white;
    border-radius: 16px;
    padding: 16px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}
#anuncio-fullscreen .anuncio-contenido img {
    width: 100%;
    height: auto;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 8px;
}
#btn-cerrar-anuncio {
    position: absolute;
    top: 8px;
    right: 12px;
    background: rgba(0,0,0,0.5);
    color: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}
#btn-cerrar-anuncio:hover {
    background: rgba(0,0,0,0.7);
}