html, body {
    height: 100%;
    min-height: 100%;
    margin: 0;
    padding: 0;
    background-color: black;
    color: white;
    font-size: 1.2rem;
}

body, form {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    height: 100%;
}

.main-content {
    flex: 1 0 auto;
}

.header {
    background-color: #212529;
    padding: 0.25rem 1rem;
}

.navbar-container {
    display: flex;
    width: 100%;
    margin: 0.5rem;
    justify-content: space-between;
}

.logo-container {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    gap: 0.8rem;
}

.logo-placeholder {
    width: 50px;
    height: 50px;
    background-color: #D9D9D9;
    color: darkred;
    font-weight: bold;
    font-size: 0.9rem;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 4px;
}

.btn-hamburger-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    line-height: 1;
}

    .btn-hamburger-sm .navbar-toggler-icon {
        width: 2rem;
        height: 2rem;
    }

.collapse-container {
    width: inherit;
    margin: 0.5rem;
}

footer {
    bottom: 0;
    width: 100%;
    background-color: #212529;
    color: #ccc;
    text-align: center;
    padding: 0.5rem 0;
    font-size: 0.8rem;
    flex-shrink: 0;
}

@media (min-width: 601px) {
    .usuario-sesion-row {
        flex-direction: row !important;
        align-items: center !important;
        justify-content: flex-end !important;
    }
}