hcmut-tutor/index.html at master · Owen-Ridd/hcmut-tutor · GitHub

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<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Tutor Support System</title>

    <!-- Prevent flash of unstyled content (FOUC) in dark mode -->
    <script>
      // Load theme from localStorage immediately before page renders
      (function() {
        const theme = localStorage.getItem('theme') || 'light';
        const root = document.documentElement;

        if (theme === 'dark') {
          root.classList.add('dark');
          root.style.backgroundColor = '#111827'; // bg-gray-900
          // document.body may not exist yet in <head>
          if (document.body) {
            document.body.style.backgroundColor = '#111827';
          }
        } else {
          root.classList.remove('dark');
          root.style.backgroundColor = '#f9fafb'; // bg-gray-50
          // document.body may not exist yet in <head>
          if (document.body) {
            document.body.style.backgroundColor = '#f9fafb';
          }
        }
      })();
    </script>

    <style>
      /* Prevent white flash on page load */
      html, body {
        margin: 0;
        padding: 0;
        transition: background-color 0.2s ease;
      }

      /* Default dark mode background if theme is not set */
      html.dark {
        background-color: #111827;
      }

      html.dark body {
        background-color: #111827;
      }

      /* Default light mode background */
      html:not(.dark) {
        background-color: #f9fafb;
      }

      html:not(.dark) body {
        background-color: #f9fafb;
      }
    </style>
  </head>
  <body>
    <div id="root"></div>
    <script type="module" src="/src/main.tsx"></script>
  </body>
</html>