Animated Iogin form

This section showcases a series of interactive image cards that reveal descriptive text on hover. Built using Tailwind CSS and Astro.js, each card features a smooth animation, background blur, and opacity transition, enhancing the user experience while presenting visually engaging content.

This tailwind example is contributed by nicoleshal07, on 24-May-2025. Component is made with Tailwind v3.4. It is responsive. similar terms for this example are Register, Sign in

Form Login Form

Author nicoleshal07

Tailwind v3.4 1k 4

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>Professional Auth Portal</title>
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    }

:root {
      --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
      --accent-color: #4f46e5;
      --success-color: #10b981;
      --error-color: #ef4444;
      --text-primary: #1f2937;
      --text-secondary: #6b7280;
      --border-color: #e5e7eb;
      --glass-bg: rgba(255, 255, 255, 0.95);
      --glass-border: rgba(255, 255, 255, 0.2);
      --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
      --shadow-xl: 0 35px 60px -12px rgba(0, 0, 0, 0.3);
    }

body {
      min-height: 100vh;
      display: flex;
      justify-content: center;
      align-items: center;
      background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab, #667eea, #764ba2);
      background-size: 400% 400%;
      animation: gradientShift 15s ease infinite;
      padding: 20px;
    }

@keyframes gradientShift {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }

.auth-container {
      width: 100%;
      max-width: 440px;
      background: var(--glass-bg);
      backdrop-filter: blur(20px) saturate(180%);
      border-radius: 24px;
      border: 1px solid var(--glass-border);
      box-shadow: var(--shadow-xl);
      overflow: hidden;
      position: relative;
      animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

@keyframes slideUp {
      from {
        opacity: 0;
        transform: translateY(50px) scale(0.95);
      }
      to {
        opacity: 1;
        transform: translateY(0) scale(1);
      }
    }

.form-header {
      padding: 40px 40px 20px;
      text-align: center;
      border-bottom: 1px solid var(--border-color);
    }

.logo {
      width: 60px;
      height: 60px;
      background: var(--primary-gradient);
      border-radius: 16px;
      margin: 0 auto 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      font-weight: bold;
      color: white;
      box-shadow: var(--shadow-lg);
      animation: pulse 2s infinite;
    }

@keyframes pulse {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.05); }
    }

.form-title {
      font-size: 28px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 8px;
      letter-spacing: -0.025em;
    }

.form-subtitle {
      color: var(--text-secondary);
      font-size: 16px;
      line-height: 1.5;
    }

.form-tabs {
      display: flex;
      background: #f8fafc;
      margin: 0;
      border-radius: 0;
    }

.tab-button {
      flex: 1;
      padding: 16px;
      background: none;
      border: none;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-secondary);
      cursor: pointer;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      position: relative;
    }

.tab-button.active {
      color: var(--accent-color);
      background: white;
      box-shadow: 0 -2px 0 var(--accent-color);
    }

.tab-button:hover:not(.active) {
      color: var(--text-primary);
      background: rgba(79, 70, 229, 0.05);
    }

.form-content {
      padding: 40px;
    }

.form-group {
      margin-bottom: 24px;
    }

.form-label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 8px;
      letter-spacing: 0.025em;
    }

.form-input {
      width: 100%;
      padding: 16px;
      border: 2px solid var(--border-color);
      border-radius: 12px;
      font-size: 16px;
      background: white;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      color: var(--text-primary);
    }

.form-input:focus {
      outline: none;
      border-color: var(--accent-color);
      box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
      transform: translateY(-2px);
    }

.form-input::placeholder {
      color: var(--text-secondary);
    }

.form-button {
      width: 100%;
      padding: 16px;
      background: var(--primary-gradient);
      color: white;
      border: none;
      border-radius: 12px;
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      letter-spacing: 0.025em;
    }

.form-button::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
      transition: left 0.6s;
    }

.form-button:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-xl);
    }

.form-button:hover::before {
      left: 100%;
    }

.form-button:active {
      transform: translateY(0);
    }

.form-divider {
      display: flex;
      align-items: center;
      margin: 32px 0;
      color: var(--text-secondary);
      font-size: 14px;
    }

.form-divider::before,
    .form-divider::after {
      content: '';
      flex: 1;
      height: 1px;
      background: var(--border-color);
    }

.form-divider span {
      padding: 0 16px;
      background: white;
    }

.social-buttons {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 24px;
    }

.social-button {
      padding: 12px;
      border: 2px solid var(--border-color);
      border-radius: 12px;
      background: white;
      cursor: pointer;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 500;
      color: var(--text-primary);
    }

.social-button:hover {
      border-color: var(--accent-color);
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    }

.forgot-password {
      text-align: center;
      margin-top: 20px;
    }

.forgot-password a {
      color: var(--accent-color);
      text-decoration: none;
      font-weight: 500;
      font-size: 14px;
      transition: color 0.3s;
    }

.forgot-password a:hover {
      color: #3730a3;
      text-decoration: underline;
    }

.form-footer {
      padding: 20px 40px;
      background: #f8fafc;
      text-align: center;
      font-size: 14px;
      color: var(--text-secondary);
      border-top: 1px solid var(--border-color);
    }

.form-footer a {
      color: var(--accent-color);
      text-decoration: none;
      font-weight: 500;
    }

.form-footer a:hover {
      text-decoration: underline;
    }

/* Form switching animation */
    .form-slide {
      display: none;
      animation: fadeInSlide 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }

.form-slide.active {
      display: block;
    }

@keyframes fadeInSlide {
      from {
        opacity: 0;
        transform: translateX(20px);
      }
      to {
        opacity: 1;
        transform: translateX(0);
      }
    }

/* Responsive design */
    @media (max-width: 480px) {
      .auth-container {
        margin: 10px;
        border-radius: 20px;
      }
      
      .form-header,
      .form-content {
        padding: 30px 30px;
      }
      
      .form-title {
        font-size: 24px;
      }
    }

/* Loading state */
    .loading {
      pointer-events: none;
      opacity: 0.7;
    }

.loading::after {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      width: 20px;
      height: 20px;
      margin: -10px 0 0 -10px;
      border: 2px solid transparent;
      border-top: 2px solid white;
      border-radius: 50%;
      animation: spin 1s linear infinite;
    }

@keyframes spin {
      to { transform: rotate(360deg); }
    }
  </style>
</head>
<body>
  <div class="auth-container">
    
    <div class="form-header">
      <div class="logo">A</div>
      <h1 class="form-title" id="formTitle">Welcome Back</h1>
      <p class="form-subtitle" id="formSubtitle">Sign in to your account to continue</p>
    </div>

<div class="form-tabs">
      <button class="tab-button active" onclick="switchForm('login')">Sign In</button>
      <button class="tab-button" onclick="switchForm('signup')">Sign Up</button>
    </div>

<div id="loginForm" class="form-slide active">
      <div class="form-content">
        <div class="social-buttons">
          <button class="social-button">
            <span>🔍</span> Google
          </button>
          <button class="social-button">
            <span>📘</span> Facebook
          </button>
        </div>

<div class="form-divider">
          <span>or continue with email</span>
        </div>

<form onsubmit="handleLogin(event)">
          <div class="form-group">
            <label class="form-label">Email Address</label>
            <input type="email" class="form-input" placeholder="Enter your email" required />
          </div>

<div class="form-group">
            <label class="form-label">Password</label>
            <input type="password" class="form-input" placeholder="Enter your password" required />
          </div>

<div class="forgot-password">
          <a href="#" onclick="showForgotPassword()">Forgot your password?</a>
        </div>
      </div>
    </div>

<div id="signupForm" class="form-slide">
      <div class="form-content">
        <div class="social-buttons">
          <button class="social-button">
            <span>🔍</span> Google
          </button>
          <button class="social-button">
            <span>📘</span> Facebook
          </button>
        </div>

<div class="form-divider">
          <span>or create account with email</span>
        </div>

<div class="form-group">
            <label class="form-label">Email Address</label>
            <input type="email" class="form-input" placeholder="Enter your email" required />
          </div>

<div class="form-group">
            <label class="form-label">Password</label>
            <input type="password" class="form-input" placeholder="Create a strong password" required />
          </div>

<button type="submit" class="form-button" id="signupBtn">
            Create Account
          </button>
        </form>
      </div>
    </div>

<div class="form-footer">
      <p>By continuing, you agree to our <a href="#">Terms of Service</a> and <a href="#">Privacy Policy</a></p>
    </div>
  </div>

// Update active tab
      tabButtons.forEach(btn => btn.classList.remove('active'));
      event.target.classList.add('active');

// Switch forms
      if (formType === 'login') {
        loginForm.classList.add('active');
        signupForm.classList.remove('active');
        title.textContent = 'Welcome Back';
        subtitle.textContent = 'Sign in to your account to continue';
      } else {
        signupForm.classList.add('active');
        loginForm.classList.remove('active');
        title.textContent = 'Create Account';
        subtitle.textContent = 'Join us today and get started';
      }
    }

// Handle login form submission
    function handleLogin(event) {
      event.preventDefault();
      const button = document.getElementById('loginBtn');
      
      // Add loading state
      button.classList.add('loading');
      button.textContent = 'Signing In...';
      
      // Simulate API call
      setTimeout(() => {
        button.classList.remove('loading');
        button.textContent = 'Sign In';
        alert('Login successful! (This is a demo)');
      }, 2000);
    }

// Handle signup form submission
    function handleSignup(event) {
      event.preventDefault();
      const button = document.getElementById('signupBtn');
      
      // Add loading state
      button.classList.add('loading');
      button.textContent = 'Creating Account...';
      
      // Simulate API call
      setTimeout(() => {
        button.classList.remove('loading');
        button.textContent = 'Create Account';
        alert('Account created successfully! (This is a demo)');
      }, 2000);
    }

// Show forgot password (placeholder)
    function showForgotPassword() {
      alert('Forgot password functionality would be implemented here.');
    }

// Add input focus animations
    document.querySelectorAll('.form-input').forEach(input => {
      input.addEventListener('focus', function() {
        this.parentElement.classList.add('focused');
      });
      
      input.addEventListener('blur', function() {
        this.parentElement.classList.remove('focused');
      });
    });

// Add social button click handlers
    document.querySelectorAll('.social-button').forEach(button => {
      button.addEventListener('click', function() {
        const provider = this.textContent.trim();
        alert(`${provider} authentication would be implemented here.`);
      });
    });
  </script>
</body>
</html>

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