.mce-reto {
    max-width: 700px;
    margin: 0 auto;
}
.mce-reto-resumen {
    font-size: 1.1em;
    margin-bottom: 1.5em;
}
.mce-lista-dias {
    list-style: none;
    padding: 0;
}
.mce-dia-item {
    padding: 0.75em 1em;
    margin-bottom: 0.5em;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
}
.mce-dia-item a {
    text-decoration: none;
    color: inherit;
    display: block;
}
.mce-dia-completado {
    background: #eefbf1;
    border-color: #b7e6c1;
}
.mce-dia {
    max-width: 700px;
    margin: 0 auto;
}
.mce-dia-video iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 8px;
    margin-bottom: 1em;
}
.mce-dia-checklist {
    margin: 1.5em 0;
}
.mce-checklist-item {
    display: block;
    margin-bottom: 0.5em;
}
.mce-btn {
    display: inline-block;
    padding: 0.75em 1.5em;
    background: #111;
    color: #fff;
    border: none;
    border-radius: 999px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}
.mce-btn:disabled {
    opacity: 0.6;
    cursor: default;
}
.mce-mensaje {
    margin-top: 0.75em;
    font-weight: 600;
}
.mce-mis-puntos {
    font-weight: 600;
}