Modern Neumorphic Login & Signup Form with Dark Mode Toggle | HTML CSS JS
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Neumorphic Auth Form</title>
<link rel="stylesheet" href="style.css" />
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css" />
<script src="https://kit.fontawesome.com/a2e0e6ad65.js" crossorigin="anonymous"></script>
</head>
<body>
<!-- Form Container -->
<div class="container">
<!-- Theme Toggle Now Inside -->
<div class="theme-toggle-wrapper">
<button class="theme-btn" id="themeToggle">
<i class="fas fa-sun"></i>
</button>
</div>
<div class="form-toggle">
<button class="active" onclick="showForm('login')">Login</button>
<button onclick="showForm('signup')">Sign Up</button>
</div>
<!-- Login Form -->
<div class="form-box" id="loginForm">
<h2>Login</h2>
<div class="input-group">
<i class="fas fa-envelope"></i>
<input type="email" required />
<label>Email</label>
</div>
<div class="input-group">
<i class="fas fa-lock"></i>
<input type="password" id="loginPassword" required />
<label>Password</label>
<i class="fas fa-eye toggle-password" onclick="togglePassword('loginPassword', this)"></i>
</div>
<button class="btn">Login</button>
<div class="social-buttons">
<div class='code-block code-block-2' style='margin: 8px 0; clear: both;'>
<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-2094722033678002"
crossorigin="anonymous"></script>
<ins class="adsbygoogle"
style="display:block; text-align:center;"
data-ad-layout="in-article"
data-ad-format="fluid"
data-ad-client="ca-pub-2094722033678002"
data-ad-slot="2248279416"></ins>
<script>
(adsbygoogle = window.adsbygoogle || []).push({});
</script></div>
<p>Or continue with:</p>
<div class="icons">
<a class="facebook"><i class="fab fa-facebook-f"></i></a>
<a class="google"><i class="fab fa-google"></i></a>
<a class="github"><i class="fab fa-github"></i></a>
</div>
</div>
</div>
<!-- Sign Up Form -->
<div class="form-box hidden" id="signupForm">
<h2>Sign Up</h2>
<div class="input-group">
<i class="fas fa-user"></i>
<input type="text" id="signupName" required />
<label for="signupName">Name</label>
</div>
<div class="input-group">
<i class="fas fa-envelope"></i>
<input type="email" required />
<label>Email</label>
</div>
<div class="input-group">
<i class="fas fa-lock"></i>
<input type="password" id="signupPassword" required />
<label>Password</label>
<i class="fas fa-eye toggle-password" onclick="togglePassword('signupPassword', this)"></i>
</div>
<button class="btn">Register</button>
<div class="social-buttons">
<p>Or continue with:</p>
<div class="icons">
<a class="facebook"><i class="fab fa-facebook-f"></i></a>
<a class="google"><i class="fab fa-google"></i></a>
<a class="github"><i class="fab fa-github"></i></a>
</div>
</div>
</div>
</div>
<script src="script.js"></script>
</body>
</html>
CSS
/* RESET */
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Segoe UI', sans-serif;
background: #e0e5ec;
height: 100vh;
display: flex;
justify-content: center;
align-items: center;
transition: 0.4s;
}
/* Theme Toggle */
.theme-toggle-wrapper {
display: flex;
justify-content: center;
margin-bottom: 10px;
}
.theme-btn {
background: #e0e5ec;
border: none;
padding: 10px;
border-radius: 100%;
box-shadow: inset 4px 4px 8px #bebebe,
inset -4px -4px 8px #ffffff;
cursor: pointer;
transition: 0.3s;
color: #333;
font-size: 18px;
}
.theme-btn:hover {
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
body.dark .theme-btn {
background: #2a2d32;
color: #eee;
box-shadow: inset 3px 3px 6px #1c1e21,
inset -3px -3px 6px #3c4149;
}
/* Container */
.container {
width: 90%;
max-width: 420px;
background: #e0e5ec;
padding: 30px;
border-radius: 20px;
box-shadow: 10px 10px 30px #bebebe,
-10px -10px 30px #ffffff;
transition: 0.3s;
}
/* Form Toggle Buttons */
.form-toggle {
display: flex;
justify-content: center;
margin-bottom: 25px;
}
.form-toggle button {
flex: 1;
padding: 12px;
border: none;
font-size: 16px;
background: #e0e5ec;
color: #444;
border-radius: 20px;
margin: 0 5px;
box-shadow: inset 5px 5px 10px #bebebe,
inset -5px -5px 10px #ffffff;
cursor: pointer;
transition: 0.3s;
}
.form-toggle button.active {
color: #fff;
background: linear-gradient(to right, #6a11cb, #2575fc);
box-shadow: none;
}
/* Form Boxes */
.form-box {
text-align: center;
}
.form-box.hidden {
display: none;
}
.form-box h2 {
margin-bottom: 20px;
color: #333;
}
/* Input Groups */
.input-group {
position: relative;
margin-bottom: 20px;
}
.input-group input {
width: 100%;
padding: 12px 45px 12px 40px;
border: none;
border-radius: 12px;
background: #e0e5ec;
box-shadow: inset 5px 5px 10px #bebebe,
inset -5px -5px 10px #ffffff;
color: #333;
}
.input-group label {
position: absolute;
top: 12px;
left: 40px;
color: #777;
font-size: 14px;
pointer-events: none;
transition: 0.3s ease;
}
.input-group input:focus + label,
.input-group input:valid + label {
top: -10px;
left: 35px;
font-size: 12px;
background: #e0e5ec;
padding: 0 5px;
color: #333;
border-radius: 3px;
border: 1px solid #333;
}
/* Icons inside input */
.input-group i.fa-envelope,
.input-group i.fa-user,
.input-group i.fa-lock {
position: absolute;
top: 12px;
left: 12px;
color: #999;
}
.toggle-password {
position: absolute;
top: 12px;
right: 12px; /* RIGHT side of input */
cursor: pointer;
color: #999;
font-size: 16px;
transition: color 0.3s ease;
}
/* Buttons */
.btn {
width: 100%;
padding: 12px;
border: none;
background: linear-gradient(to right, #6a11cb, #2575fc);
color: #fff;
border-radius: 12px;
cursor: pointer;
font-size: 16px;
margin-top: 10px;
}
/* Social Buttons */
.social-buttons {
margin-top: 20px;
}
.social-buttons p {
font-size: 14px;
color: #666;
}
.icons {
display: flex;
justify-content: center;
gap: 15px;
margin-top: 10px;
}
.icons a {
text-decoration: none;
width: 40px;
height: 40px;
background: #e0e5ec;
display: flex;
justify-content: center;
align-items: center;
border-radius: 50%;
color: #333;
box-shadow: 5px 5px 10px #bebebe,
-5px -5px 10px #ffffff;
transition: transform 0.3s;
}
.icons a:hover {
transform: scale(1.1);
}
.facebook { color: #3b5998; }
.google { color: #db4437; }
.github { color: #333; }
/* Dark Mode Styles */
body.dark {
background: #1a1c1f;
}
body.dark .container,
body.dark .theme-toggle-wrapper {
background: #2a2d32;
color: white;
box-shadow: none;
}
body.dark .form-toggle button,
body.dark .input-group input,
body.dark .icons a {
background: #2a2d32;
color: #eee;
box-shadow: inset 5px 5px 10px #191b1d,
inset -5px -5px 10px #3b3f45;
}
body.dark .form-toggle button {
background: #2a2d32;
color: #ccc;
box-shadow: inset 3px 3px 6px #1c1e21,
inset -3px -3px 6px #3c4149;
}
body.dark .form-toggle button.active {
color: #fff;
background: linear-gradient(to right, #00c6ff, #0072ff);
box-shadow: 0 0 10px rgba(0, 198, 255, 0.5);
}
body.dark .btn {
background: linear-gradient(to right, #00c6ff, #0072ff);
}
body.dark .input-group label {
background: #2a2d32;
color: #eee;
}
body.dark .input-group input:focus + label,
.input-group input:valid + label {
border: 1px solid #eee;
}
body.dark .form-box h2 {
color: #eee;
}
body.dark .toggle-password {
color: #bbb;
}
JavaScript
// Toggle between Login and Signup
function showForm(form) {
document.getElementById('loginForm').classList.toggle('hidden', form !== 'login');
document.getElementById('signupForm').classList.toggle('hidden', form !== 'signup');
document.querySelectorAll('.form-toggle button').forEach(btn => btn.classList.remove('active'));
document.querySelectorAll('.form-toggle button')[form === 'login' ? 0 : 1].classList.add('active');
}
// Toggle Password Visibility
function togglePassword(id, icon) {
const input = document.getElementById(id);
const type = input.type === 'password' ? 'text' : 'password';
input.type = type;
icon.classList.toggle('fa-eye');
icon.classList.toggle('fa-eye-slash');
}
// Theme Toggle
document.getElementById('themeToggle').addEventListener('click', () => {
document.body.classList.toggle('dark');
const icon = document.querySelector('#themeToggle i');
icon.classList.toggle('fa-sun');
icon.classList.toggle('fa-moon');
});