.sidebar-custom {
    width: 250px;
    min-height: 100vh;
    background: var(--sidebar-fondo);
    color: var(--sidebar-texto);
    font-family: var(--font-principal, var(--fuente-principal, Arial, sans-serif));
    position: relative;
    z-index: 2000;
}

.sidebar-custom .nav-link {
    color: var(--sidebar-texto);
    transition: 0.3s ease-in-out;
    border-radius: 8px;
    padding: 10px 14px;
}

.sidebar-custom .nav-link:hover,
.sidebar-custom .nav-link.active {
    background: var(--sidebar-activo);
    color: #ffffff;
}

.sidebar-custom .nav-link.disabled {
    opacity: 0.5;
    pointer-events: none;
    cursor: not-allowed;
}

.btn-hamburguesa {
    margin: 10px;
    z-index: 2100;
    position: relative;
}

.sidebar-header {
    display: flex;
    padding: 16px;
}

.sidebar-body {
    overflow-y: auto;
}

.sidebar-separador {
    border-color: rgba(255, 255, 255, 0.2);
    margin: 1rem 0;
}

.sidebar-overlay {
    display: none;
}

@media (max-width: 991.98px) {
    .sidebar-custom {
        position: fixed;
        top: 0;
        left: -260px;
        height: 100vh;
        transition: left 0.3s ease-in-out;
        box-shadow: 8px 0 24px rgba(0, 0, 0, 0.25);
    }

    .sidebar-custom.mostrar {
        left: 0;
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.45);
        z-index: 1999;
    }

    .sidebar-overlay.mostrar {
        display: block;
    }
}

@media (min-width: 992px) {
    .sidebar-custom {
        display: block;
        flex: 0 0 250px;
    }

    .btn-hamburguesa,
    .sidebar-header,
    .sidebar-overlay {
        display: none !important;
    }
}