/* Tema oscuro principal */
.dark-theme {
    background-color: #121212;
    color: #E0E0E0;
    margin: 40px;
    font: 14px/22px normal Helvetica, Arial, sans-serif;
}

.dark-theme a {
    color: #BB86FC;
    background-color: transparent;
    font-weight: normal;
    text-decoration: none;
}

.dark-theme a:hover {
    color: #3700B3;
}

/* Estructuras de contenedores */
.container-custom {
    margin: 10px;
    border: 1px solid #333;
    box-shadow: 0 0 8px #222;
}

/* Encabezados */
.dark-theme h1 {
    color: #BB86FC;
    background-color: transparent;
    border-bottom: 1px solid #333;
    font-size: 20px;
    font-weight: normal;
    margin: 0 0 14px 0;
    padding: 14px 15px 10px 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dark-theme h1 img {
    margin-right: 10px;
    vertical-align: middle;
    max-height: 20vh;
}

/* Tablas */
.dark-theme table.dataTable thead {
    background-color: #333;
    color: #E0E0E0;
}

.dark-theme table.dataTable tbody tr {
    background-color: #1F1B24;
    color: #E0E0E0;
}

/* Menús desplegables */
.dropdown-menu-dark {
    background-color: #1F1B24;
    border: 1px solid #333;
}

.dropdown-item {
    color: #BB86FC;
}

.dropdown-item:hover, 
.dropdown-item:focus {
    background-color: #3700B3;
    color: #fff;
}

.dropdown-item.active {
    background-color: #3700B3;
    color: #fff;
}

/* Footer */
.footer-custom p {
    text-align: right;
    font-size: 11px;
    border-top: 1px solid #333;
    line-height: 32px;
    padding: 0 10px;
    margin: 20px 0 0 0;
    color: #8C8C8C;
}