Stylish Login & Signup Form with Dark Mode | Glassmorphism UI Design
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<title>Login & Signup | Learn with Arshyan</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/yourkit.js" crossorigin="anonymous"></script>
</head>
<body>
<div class="container">
<!-- Theme Toggle Switch -->
<div class="theme-switch">
<input type="checkbox" id="theme-toggle">
<label for="theme-toggle" class="switch-label">
<span class="switch-ball">
<i class="fas fa-moon" id="moon-icon"></i>
<i class="fas fa-sun" id="sun-icon"></i>
</span>
</label>
</div>
<!-- Tabs -->
<div class="tab-header">
<button class="tab-btn active" id="login-tab">Login</button>
<button class="tab-btn" id="signup-tab">Signup</button>
</div>
<!-- Login Form -->
<form class="form active" id="login-form">
<div class="input-group">
<label for="login-email">Email</label>
<input type="email" id="login-email" placeholder="Enter your email" required />
</div>
<div class="input-group">
<label for="password">Password</label>
<div class="password-wrapper">
<input type="password" id="login-password" placeholder="Enter password">
<i class="fas fa-eye toggle-password" data-target="login-password"></i>
</div>
</div>
<div class="input-options">
<label><input type="checkbox" /> Remember me</label>
<a href="#">Forgot password?</a>
</div>
<button type="submit" class="submit-btn">Login</button>
<div class="social-login">
<button type="button" class="google"><i class="fab fa-google"></i> Google</button>
<button type="button" class="facebook"><i class="fab fa-facebook-f"></i> Facebook</button>
<button type="button" class="twitter"><i class="fab fa-twitter"></i> Twitter</button>
</div>
</form>
<!-- Signup Form -->
<form class="form" id="signup-form">
<div class="input-group">
<label for="signup-name">Full Name</label>
<input type="text" id="signup-name" placeholder="Enter your name" required />
</div>
<div class="input-group">
<label for="signup-email">Email</label>
<input type="email" id="signup-email" placeholder="Enter your email" required />
</div>
<div class="input-group">
<label for="password">Password</label>
<div class="password-wrapper">
<input type="password" id="login-password" placeholder="Enter password">
<i class="fas fa-eye toggle-password" data-target="login-password"></i>
</div>
</div>
<div class="input-options">
<label><input type="checkbox" required /> I agree to terms</label>
</div>
<button type="submit" class="submit-btn">Signup</button>
<div class="social-login">
<button type="button" class="google"><i class="fab fa-google"></i> Google</button>
<button type="button" class="facebook"><i class="fab fa-facebook-f"></i> Facebook</button>
<button type="button" class="twitter"><i class="fab fa-twitter"></i> Twitter</button>
</div>
</form>
</div>
<script src="script.js"></script>
</body>
</html>
CSS
/* ===== BASE RESET ===== */
* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: 'Poppins', sans-serif;
}
/* ===== BODY STYLES ===== */
body {
height: 100vh;
display: flex;
justify-content: center;
align-items: center;
background: linear-gradient(135deg, #8e2de2, #4a00e0);
transition: background 0.4s ease;
overflow: hidden;
}
body.dark {
background: linear-gradient(135deg, #121212, #000000);
}
/* ===== CONTAINER ===== */
.container {
position: relative;
width: 400px;
padding: 2rem;
border-radius: 20px;
background: rgba(255, 255, 255, 0.1);
backdrop-filter: blur(20px);
box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
color: #fff;
transition: background 0.3s ease, color 0.3s ease;
}
/* ===== THEME TOGGLE SWITCH ===== */
.theme-switch {
position: absolute;
top: 20px;
left: 50%;
transform: translateX(-50%);
z-index: 10;
}
.theme-switch input {
display: none;
}
.switch-label {
display: inline-block;
width: 60px;
height: 30px;
background: rgba(255, 255, 255, 0.3);
border-radius: 30px;
position: relative;
cursor: pointer;
transition: background 0.3s ease;
backdrop-filter: blur(8px);
box-shadow: 0 0 8px rgba(0, 0, 0, 0.15);
}
.switch-ball {
position: absolute;
top: 3px;
left: 3px;
width: 24px;
height: 24px;
background: #fff;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
transition: transform 0.3s ease;
color: #ffcc00;
font-size: 0.9rem;
}
input:checked + .switch-label .switch-ball {
transform: translateX(30px);
}
/* Icon visibility */
#sun-icon,
#moon-icon {
position: absolute;
transition: opacity 0.3s ease;
font-size: 1rem;
}
#sun-icon {
opacity: 0;
}
body.dark #sun-icon {
opacity: 1;
}
body.dark #moon-icon {
opacity: 0;
}
/* ===== TAB HEADERS ===== */
.tab-header {
display: flex;
justify-content: space-around;
margin-bottom: 1.5rem;
}
.tab-header button {
flex: 1;
padding: 0.6rem;
background: transparent;
border: none;
color: #fff;
font-size: 1rem;
cursor: pointer;
border-bottom: 2px solid transparent;
transition: all 0.3s ease;
}
.tab-header button.active {
border-color: #fff;
font-weight: 600;
}
body.dark .tab-header button.active {
border-color: #ffd700;
}
/* ===== FORM STYLES ===== */
.form {
display: none;
flex-direction: column;
gap: 1rem;
}
.form.active {
display: flex;
}
.input-group label {
font-size: 0.9rem;
color: #eee;
margin-bottom: 4px;
display: block;
}
.input-group input {
width: 100%;
padding: 0.6rem 0.8rem;
border: none;
border-radius: 8px;
background: rgba(255, 255, 255, 0.2);
color: #fff;
outline: none;
font-size: 0.95rem;
}
.input-group input::placeholder {
color: #ccc;
}
.input-options {
display: flex;
justify-content: space-between;
align-items: center;
font-size: 0.85rem;
color: #ddd;
}
.input-options a {
color: #ffd700;
text-decoration: none;
}
.input-options a:hover {
text-decoration: underline;
}
.submit-btn {
padding: 0.75rem;
border: none;
background: #fff;
color: #4a00e0;
font-weight: bold;
border-radius: 8px;
cursor: pointer;
font-size: 1rem;
transition: background 0.3s ease;
}
.submit-btn:hover {
background: #f0f0f0;
}
body.dark .submit-btn {
background: #ffd700;
color: #000;
}
body.dark .submit-btn:hover {
background: #e6c200;
}
/* ===== SOCIAL LOGIN BUTTONS ===== */
.social-login {
display: flex;
justify-content: space-between;
margin-top: 1rem;
gap: 10px;
}
.social-login button {
flex: 1;
display: flex;
align-items: center;
gap: 8px;
justify-content: center;
padding: 0.6rem;
border-radius: 8px;
border: none;
color: #fff;
font-size: 0.9rem;
cursor: pointer;
transition: background 0.3s ease;
}
.social-login .google {
background: #db4437;
}
.social-login .facebook {
background: #3b5998;
}
.social-login .twitter {
background: #1da1f2;
}
.social-login button:hover {
filter: brightness(1.1);
}
/* ===== RESPONSIVE ===== */
@media (max-width: 420px) {
.container {
width: 90%;
padding: 1.5rem;
}
.tab-header button {
font-size: 0.9rem;
}
.social-login {
flex-direction: column;
}
}
.password-wrapper {
position: relative;
}
.password-wrapper input {
width: 100%;
padding-right: 40px;
}
.toggle-password {
position: absolute;
top: 50%;
right: 10px;
transform: translateY(-50%);
cursor: pointer;
color: #ccc;
font-size: 1rem;
transition: color 0.3s ease;
}
.toggle-password:hover {
color: #fff;
}
body.dark .toggle-password:hover {
color: #ffd700;
}
JavaScript
// ===== THEME TOGGLE =====
const toggle = document.getElementById('theme-toggle');
const body = document.body;
const sunIcon = document.getElementById('sun-icon');
const moonIcon = document.getElementById('moon-icon');
// Optional: Remember theme across visits
if (localStorage.getItem('theme') === 'dark') {
body.classList.add('dark');
toggle.checked = true;
}
toggle.addEventListener('change', () => {
body.classList.toggle('dark');
if (body.classList.contains('dark')) {
localStorage.setItem('theme', 'dark');
} else {
localStorage.setItem('theme', 'light');
}
});
// ===== FORM TAB SWITCHING =====
const loginTab = document.getElementById('login-tab');
const signupTab = document.getElementById('signup-tab');
const loginForm = document.getElementById('login-form');
const signupForm = document.getElementById('signup-form');
loginTab.addEventListener('click', () => {
loginTab.classList.add('active');
signupTab.classList.remove('active');
loginForm.classList.add('active');
signupForm.classList.remove('active');
});
signupTab.addEventListener('click', () => {
signupTab.classList.add('active');
loginTab.classList.remove('active');
signupForm.classList.add('active');
loginForm.classList.remove('active');
});
// ===== BASIC FORM VALIDATION (Optional) =====
// You can add this if needed
const submitButtons = document.querySelectorAll('.submit-btn');
submitButtons.forEach(btn => {
btn.addEventListener('click', (e) => {
e.preventDefault();
alert('Form submitted (you can connect this to a backend)');
});
});
// ===== PASSWORD SHOW/HIDE =====
const toggles = document.querySelectorAll('.toggle-password');
toggles.forEach(toggle => {
toggle.addEventListener('click', () => {
const inputId = toggle.getAttribute('data-target');
const input = document.getElementById(inputId);
const isPassword = input.type === 'password';
input.type = isPassword ? 'text' : 'password';
toggle.classList.toggle('fa-eye');
toggle.classList.toggle('fa-eye-slash');
});
});