Category · Authentication Difficulty Level · Intermediate Published on · August 22, 2025
Animated Login Form

Modern login form with smooth animations, validation, and social login options, perfect for user authentication.
#login #form #authentication #animation #validation
Responsive Design
Yes
Dark Mode Support
lines
650
Browser Compatibility
Chrome · Firefox · Safari · Edge
Live Preview

Interact with the component without leaving the page.
400px
HTML
lines
CSS
414
lines
JavaScript
170
lines
                <div class="login-form-container">
  <div class="login-form-demo">
    <div class="form-wrapper">
      <div class="form-header">
        <h2>Welcome Back</h2>
        <p>Sign in to your account</p>
      </div>
      
      <form class="login-form" id="loginForm">
        <div class="form-group">
          <label for="email">Email Address</label>
          <div class="input-wrapper">
            <input type="email" id="email" name="email" required placeholder="Enter your email">
            <div class="input-icon">✉️</div>
          </div>
        </div>
        
        <div class="form-group">
          <label for="password">Password</label>
          <div class="input-wrapper">
            <input type="password" id="password" name="password" required placeholder="Enter your password">
            <div class="input-icon">🔒</div>
            <button type="button" class="toggle-password" id="togglePassword">👁️</button>
          </div>
        </div>
        
        <div class="form-options">
          <label class="checkbox-label">
            <input type="checkbox" id="rememberMe" name="rememberMe">
            <span class="checkmark"></span>
            Remember me
          </label>
          <a href="#" class="forgot-password">Forgot password?</a>
        </div>
        
        <button type="submit" class="btn btn-primary" id="loginBtn">
          <span class="btn-text">Sign In</span>
          <span class="btn-spinner" id="loginSpinner"></span>
        </button>
        
        <div class="divider">
          <span>or continue with</span>
        </div>
        
        <div class="social-login">
          <button type="button" class="social-btn google">
            <span class="social-icon">G</span>
            <span class="social-text">Google</span>
          </button>
          <button type="button" class="social-btn facebook">
            <span class="social-icon">f</span>
            <span class="social-text">Facebook</span>
          </button>
          <button type="button" class="social-btn apple">
            <span class="social-icon">🍎</span>
            <span class="social-text">Apple</span>
          </button>
        </div>
        
        <div class="signup-link">
          Don't have an account? <a href="#">Sign up</a>
        </div>
      </form>
    </div>
  </div>
</div>

              

                .login-form-container {
  background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
  padding: 40px 20px;
  border-radius: 20px;
  max-width: 500px;
  margin: 0 auto;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
}

.login-form-demo {
  background: white;
  border-radius: 15px;
  padding: 30px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.03);
}

.form-wrapper {
  animation: slideInUp 0.6s ease-out;
}

.form-header {
  text-align: center;
  margin-bottom: 30px;
}

.form-header h2 {
  margin: 0 0 10px 0;
  color: #333;
  font-size: 2rem;
  font-weight: 700;
}

.form-header p {
  color: #666;
  font-size: 1.1rem;
  margin: 0;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  animation: fadeIn 0.6s ease-out;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #333;
  font-size: 0.95rem;
}

.input-wrapper {
  position: relative;
}

.input-wrapper input {
  width: 100%;
  padding: 15px 50px 15px 50px;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.input-wrapper input:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.input-wrapper input.valid {
  border-color: #27ae60;
  background: rgba(39, 174, 96, 0.05);
}

.input-wrapper input.invalid {
  border-color: #e74c3c;
  background: rgba(231, 76, 60, 0.05);
}

.input-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  color: #999;
}

.input-wrapper input:focus + .input-icon {
  color: #667eea;
}

.input-wrapper input.valid + .input-icon {
  color: #27ae60;
}

.input-wrapper input.invalid + .input-icon {
  color: #e74c3c;
}

.toggle-password {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 1.2rem;
  color: #999;
  cursor: pointer;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.toggle-password:hover {
  color: #667eea;
  background: rgba(102, 126, 234, 0.1);
}

.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  color: #666;
}

.checkbox-label input {
  display: none;
}

.checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid #e2e8f0;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.checkbox-label input:checked + .checkmark {
  background: #667eea;
  border-color: #667eea;
}

.checkbox-label input:checked + .checkmark::after {
  content: '✓';
  color: white;
  font-size: 12px;
}

.forgot-password {
  color: #667eea;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.forgot-password:hover {
  color: #5a6fd8;
  text-decoration: underline;
}

.btn {
  padding: 16px;
  border: none;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

.btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-text {
  transition: opacity 0.3s ease;
}

.btn.loading .btn-text {
  opacity: 0;
}

.btn-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top: 3px solid white;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s ease;
  animation: spin 1s linear infinite;
}

.btn.loading .btn-spinner {
  opacity: 1;
}

.divider {
  display: flex;
  align-items: center;
  gap: 15px;
  margin: 10px 0;
}

.divider span {
  color: #999;
  font-size: 0.9rem;
  white-space: nowrap;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: #e2e8f0;
}

.social-login {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
}

.social-btn {
  flex: 1;
  padding: 12px;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  background: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.3s ease;
  font-weight: 600;
}

.social-btn:hover {
  transform: translateY(-2px);
  border-color: #667eea;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.social-icon {
  font-size: 1.2rem;
}

.social-text {
  color: #333;
  font-size: 0.9rem;
}

.social-btn.google:hover {
  border-color: #db4437;
}

.social-btn.facebook:hover {
  border-color: #3b5998;
}

.social-btn.apple:hover {
  border-color: #000000;
}

.signup-link {
  text-align: center;
  color: #666;
  font-size: 0.95rem;
}

.signup-link a {
  color: #667eea;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.signup-link a:hover {
  color: #5a6fd8;
  text-decoration: underline;
}

/* Animations */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-5px); }
  40%, 80% { transform: translateX(5px); }
}

.shake {
  animation: shake 0.5s ease-in-out;
}

/* Responsive */
@media (max-width: 768px) {
  .login-form-container {
    padding: 30px 15px;
  }
  
  .login-form-demo {
    padding: 25px;
  }
  
  .form-header h2 {
    font-size: 1.7rem;
  }
  
  .input-wrapper input {
    padding: 12px 45px 12px 45px;
  }
  
  .input-icon,
  .toggle-password {
    font-size: 1rem;
  }
  
  .social-login {
    flex-direction: column;
    gap: 10px;
  }
  
  .social-btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .form-options {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
  
  .forgot-password {
    align-self: flex-end;
  }
}

              

                document.addEventListener('DOMContentLoaded', function() {
  // Get DOM elements
  const loginForm = document.getElementById('loginForm');
  const emailInput = document.getElementById('email');
  const passwordInput = document.getElementById('password');
  const togglePassword = document.getElementById('togglePassword');
  const loginBtn = document.getElementById('loginBtn');
  const loginSpinner = document.getElementById('loginSpinner');
  const googleBtn = document.querySelector('.social-btn.google');
  const facebookBtn = document.querySelector('.social-btn.facebook');
  const appleBtn = document.querySelector('.social-btn.apple');
  const forgotPassword = document.querySelector('.forgot-password');
  
  // Toggle password visibility
  togglePassword.addEventListener('click', function() {
    const type = passwordInput.getAttribute('type') === 'password' ? 'text' : 'password';
    passwordInput.setAttribute('type', type);
    this.textContent = type === 'password' ? '👁️' : '🔒';
  });
  
  // Form validation
  emailInput.addEventListener('input', validateEmail);
  passwordInput.addEventListener('input', validatePassword);
  
  // Form submission
  loginForm.addEventListener('submit', function(e) {
    e.preventDefault();
    
    // Validate form
    const isEmailValid = validateEmail();
    const isPasswordValid = validatePassword();
    
    if (isEmailValid && isPasswordValid) {
      // Show loading state
      loginBtn.classList.add('loading');
      loginBtn.disabled = true;
      
      // Simulate login process
      setTimeout(() => {
        // In a real application, this would be an API call
        const email = emailInput.value;
        const password = passwordInput.value;
        
        // Mock login response
        if (email === 'demo@example.com' && password === 'demo123') {
          alert('Login successful! Welcome back.');
          // Redirect to dashboard or home page
          // window.location.href = '/dashboard';
        } else {
          alert('Invalid credentials. Please try again.');
          
          // Add shake animation to form
          loginForm.classList.add('shake');
          setTimeout(() => {
            loginForm.classList.remove('shake');
          }, 500);
        }
        
        // Reset button state
        loginBtn.classList.remove('loading');
        loginBtn.disabled = false;
      }, 2000);
    } else {
      // Add shake animation to invalid fields
      if (!isEmailValid) {
        emailInput.classList.add('shake');
        setTimeout(() => {
          emailInput.classList.remove('shake');
        }, 500);
      }
      
      if (!isPasswordValid) {
        passwordInput.classList.add('shake');
        setTimeout(() => {
          passwordInput.classList.remove('shake');
        }, 500);
      }
    }
  });
  
  // Validate email
  function validateEmail() {
    const email = emailInput.value.trim();
    const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+\$/;
    
    if (email === '') {
      emailInput.classList.remove('valid');
      emailInput.classList.add('invalid');
      return false;
    } else if (!emailRegex.test(email)) {
      emailInput.classList.remove('valid');
      emailInput.classList.add('invalid');
      return false;
    } else {
      emailInput.classList.remove('invalid');
      emailInput.classList.add('valid');
      return true;
    }
  }
  
  // Validate password
  function validatePassword() {
    const password = passwordInput.value;
    
    if (password === '') {
      passwordInput.classList.remove('valid');
      passwordInput.classList.add('invalid');
      return false;
    } else if (password.length < 6) {
      passwordInput.classList.remove('valid');
      passwordInput.classList.add('invalid');
      return false;
    } else {
      passwordInput.classList.remove('invalid');
      passwordInput.classList.add('valid');
      return true;
    }
  }
  
  // Social login buttons
  googleBtn.addEventListener('click', function() {
    simulateSocialLogin('Google');
  });
  
  facebookBtn.addEventListener('click', function() {
    simulateSocialLogin('Facebook');
  });
  
  appleBtn.addEventListener('click', function() {
    simulateSocialLogin('Apple');
  });
  
  // Simulate social login
  function simulateSocialLogin(provider) {
    loginBtn.classList.add('loading');
    loginBtn.disabled = true;
    
    setTimeout(() => {
      alert(`Logging in with \${provider}...`);
      loginBtn.classList.remove('loading');
      loginBtn.disabled = false;
      // In a real app, this would redirect to OAuth provider
    }, 1500);
  }
  
  // Forgot password
  forgotPassword.addEventListener('click', function(e) {
    e.preventDefault();
    alert('Password reset functionality would be implemented here.');
    // In a real app, this would open a password reset modal or redirect
  });
  
  // Sign up link
  const signupLink = document.querySelector('.signup-link a');
  signupLink.addEventListener('click', function(e) {
    e.preventDefault();
    alert('Sign up page would open here.');
    // In a real app, this would redirect to sign up page
  });
  
  // Add keyboard support
  document.addEventListener('keydown', function(e) {
    if (e.key === 'Enter') {
      // Submit form when pressing Enter in form fields
      if (document.activeElement === emailInput || document.activeElement === passwordInput) {
        loginForm.dispatchEvent(new Event('submit'));
      }
    }
  });
});

              
Browser Compatibility

Chrome
≥ 50
Firefox
≥ 45
Safari
≥ 10
Edge
≥ 15
Animated Login Form

Live Preview

Browser Compatibility

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