/* Fuente y fondo general */
body {
    background-color: #F5F5F5;
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
}

/* Barra superior */
.navbar {
    background-color: #1E3A8A; /* azul oscuro */
    padding: 10px;
}
.navbar-brand, .nav-link, .navbar-text {
    color: #fff !important;
    font-weight: 500;
}
.nav-link:hover {
    text-decoration: underline;
    color: #90CAF9 !important; /* azul claro al pasar el mouse */
}

/* Contenedor login */
.login-container {
    max-width: 400px;
    margin: 80px auto;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0px 4px 12px rgba(0,0,0,0.1);
}
.login-container h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #1E3A8A;
    font-weight: bold;
}

/* Tarjetas y tablas */
.card {
    border-radius: 10px;
    box-shadow: 0px 4px 12px rgba(0,0,0,0.05);
    background: #fff;
}
.table thead {
    background-color: #1E3A8A;
    color: #fff;
    font-weight: bold;
}
.table-hover tbody tr:hover {
    background-color: #f9f9f9;
}

/* Inputs */
input.form-control {
    border-radius: 5px;
    border: 1px solid #ccc;
}

/* Responsividad extra */
@media (max-width: 768px) {
    .login-container {
        margin: 40px auto;
        padding: 20px;
    }

    .navbar-nav {
        text-align: center;
    }

    .nav-link {
        margin: 10px 0;
    }

    table {
        font-size: 14px;
    }
}