themenav0.php

<!DOCTYPE html>
<html lang="en">

<head>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.1/css/all.min.css">
</head>
<style>
    .navbar-nav {
        margin-left: auto;
    }

    /* Dark mode styles */
    body.dark-mode {
        background-color: #1F1B24; /* Dark background color */
        color: #fff; /* White text color */
    }
</style>

<body>

<nav class="navbar navbar-expand-lg navbar-dark bg-danger">
        <a class="navbar-brand" href="index.html"><i style="font-size:24px" class="fa">&#xf023;</i> Password Manager</a>
        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav"
            aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
            <span class="navbar-toggler-icon"></span>
        </button>
        <div class="collapse navbar-collapse" id="navbarNav">
            <ul class="navbar-nav">