* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background-color: #1a237e;
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1000;
}

.empresa {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: bold;
    font-size: 2.2rem;
}

.logo {
    height: 70px;
    width: auto;
}

.info-usuario {
    text-align: right;
    font-size: 0.9rem;
}

.contenedor {
    display: flex;
    margin-top: 100px;
    /* espacio debajo del header */
}

.sidebar {
    position: fixed;
    top: 100px;
    left: 0;
    width: 250px;
    height: calc(100vh - 100px);
    /* ← Corregido */
    background-color: #3949ab;
    color: white;
    padding: 1rem;
    overflow-y: auto;
    /* ← Scroll agregado */
}

.sidebar ul {
    list-style: none;
    padding: 0;
}

.sidebar ul li {
    margin: 1rem 0;
}

.sidebar ul li a {
    color: white;
    text-decoration: none;
    display: block;
    padding: 0.5rem;
    border-radius: 5px;
}

.sidebar ul li a:hover {
    background-color: #5c6bc0;
}

.contenido {
    margin-left: 250px;
    margin-top: 10px;
    flex: 1;
}

.contenido-login {
    width: 50%;
    margin-right: auto;
    margin-left: auto;
    margin-top: 30px;
}


/* Responsive */

@media (max-width: 768px) {
    .sidebar {
        position: relative;
        width: 100%;
        height: auto;
        top: 0;
        overflow-y: visible;
    }
    .contenedor {
        flex-direction: column;
        margin-left: 0;
    }
    .contenido {
        margin-left: 0;
    }

    .contenido-login {
        width: 600px;
        margin-top: 10px;
    }
}