mind-gym/404.html at master · LessUp/mind-gym · 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" />
    <base href="./" />
    <title>Page Not Found - Mind Gym</title>
    <link rel="icon" type="image/svg+xml" href="./assets/icon.svg" />
    <style>
      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }

      body {
        font-family:
          -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell,
          sans-serif;
        background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
        min-height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 2rem;
        color: white;
      }

      .container {
        max-width: 500px;
        text-align: center;
        animation: fadeIn 0.5s ease-out;
      }

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

      .icon {
        font-size: 5rem;
        margin-bottom: 1rem;
        animation: bounce 2s infinite;
      }

      @keyframes bounce {
        0%,
        100% {
          transform: translateY(0);
        }
        50% {
          transform: translateY(-10px);
        }
      }

      h1 {
        font-size: 2rem;
        margin-bottom: 1rem;
        font-weight: 700;
      }

      p {
        font-size: 1.125rem;
        line-height: 1.6;
        margin-bottom: 1.5rem;
        opacity: 0.9;
      }

      .loading {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        margin: 2rem 0;
      }

      .spinner {
        width: 20px;
        height: 20px;
        border: 2px solid rgba(255, 255, 255, 0.3);
        border-top-color: white;
        border-radius: 50%;
        animation: spin 1s linear infinite;
      }

      @keyframes spin {
        to {
          transform: rotate(360deg);
        }
      }

      .btn {
        display: inline-block;
        background: white;
        color: #4f46e5;
        text-decoration: none;
        border: none;
        padding: 1rem 2rem;
        border-radius: 0.5rem;
        font-size: 1.125rem;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.2s;
        margin-top: 1rem;
      }

      .btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
      }

      .btn:active {
        transform: translateY(0);
      }

      .path-info {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 0.5rem;
        padding: 1rem;
        margin-top: 2rem;
        font-family: monospace;
        font-size: 0.875rem;
        opacity: 0.8;
        word-break: break-all;
      }
    </style>
  </head>
  <body>
    <div class="container">
      <div class="icon">🧭</div>
      <h1>Redirecting...</h1>
      <p>Taking you back to Mind Gym</p>

      <div class="loading">
        <div class="spinner"></div>
        <span>Loading...</span>
      </div>

      <a href="./" class="btn" id="home-btn" style="display: none">🏠 Go Home</a>

      <div class="path-info" id="path-info"></div>
    </div>

    <script>
      // SPA redirect logic for GitHub Pages
      (function () {
        // Get the current path
        var currentPath = window.location.pathname;
        var repoName = '/mind-gym';
        var redirectUrl = './';

        // Display path info for debugging
        document.getElementById('path-info').textContent = 'Path: ' + currentPath;

        // Check if we're in a GitHub Pages subpath
        if (currentPath.indexOf(repoName) === 0) {
          // Extract the path after the repo name
          var pathAfterRepo = currentPath.substring(repoName.length);

          // Store the original path in sessionStorage for the main app to handle
          sessionStorage.setItem('spa-redirect', pathAfterRepo);
          sessionStorage.setItem('spa-redirect-time', Date.now());
        }

        // Try to redirect to the main app
        setTimeout(function () {
          window.location.replace(redirectUrl);
        }, 1500);

        // Show manual button after delay in case auto-redirect fails
        setTimeout(function () {
          document.getElementById('home-btn').style.display = 'inline-block';
          document.querySelector('.loading').style.display = 'none';
        }, 3000);
      })();
    </script>
  </body>
</html>