mindmap-web/404.html at main · monch1962/mindmap-web · GitHub

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<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Page Not Found - Mind Map Web</title>
    <style>
      body {
        font-family:
          -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell,
          sans-serif;
        margin: 0;
        padding: 2rem;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        min-height: 100vh;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        text-align: center;
      }
      .container {
        max-width: 600px;
        padding: 2rem;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        border-radius: 20px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
      }
      h1 {
        font-size: 3rem;
        margin-bottom: 1rem;
      }
      p {
        font-size: 1.2rem;
        margin-bottom: 2rem;
        line-height: 1.6;
      }
      .button {
        display: inline-block;
        padding: 1rem 2rem;
        background: white;
        color: #667eea;
        text-decoration: none;
        border-radius: 50px;
        font-weight: bold;
        transition:
          transform 0.3s ease,
          box-shadow 0.3s ease;
      }
      .button:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
      }
      .logo {
        font-size: 2rem;
        font-weight: bold;
        margin-bottom: 1rem;
      }
    </style>
  </head>
  <body>
    <div class="container">
      <div class="logo">🧠 Mind Map Web</div>
      <h1>404</h1>
      <p>Oops! The page you're looking for doesn't exist or has been moved.</p>
      <p>Don't worry, you can always return to the main application and continue mind mapping.</p>
      <a href="/" class="button">Return to Mind Map</a>
    </div>
  </body>
</html>