TACS_frontend/index.html at master · germanProgq/TACS_frontend · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="TACS - Advanced AI-powered Traffic AI Control System with real-time optimization" />
    <meta name="theme-color" content="#000000" />

    <!-- Preconnect to external domains -->
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>

    <!-- Preload critical styles only -->
    <link rel="preload" href="/src/index.css" as="style">

    <!-- Web App Manifest -->
    <link rel="manifest" href="/manifest.json">

    <title>TACS - Traffic AI Control System</title>

    <!-- Inline critical CSS for faster initial paint -->
    <style>
      body {
        margin: 0;
        padding: 0;
        background: #000000;
        color: #ffffff;
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
      }

      #root {
        width: 100vw;
        min-height: 100vh;
        overflow-x: hidden;
        overflow-y: visible;
      }

      /* Initial loading state */
      .app-loading {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        background: #000000;
        z-index: 9999;
      }

      .loading-spinner {
        width: 60px;
        height: 60px;
        border: 3px solid rgba(0, 255, 136, 0.3);
        border-top: 3px solid #00ff88;
        border-radius: 50%;
        animation: spin 1s linear infinite;
      }

      @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
      }
    </style>
  </head>
  <body>
    <div id="root">
      <!-- Initial loading placeholder -->
      <div class="app-loading">
        <div class="loading-spinner"></div>
      </div>
    </div>

    <script type="module" src="/src/main.tsx"></script>

    <!-- Service Worker Registration -->
    <script>
      if ('serviceWorker' in navigator) {
        window.addEventListener('load', () => {
          navigator.serviceWorker.register('/service-worker.js')
            .then(registration => {
              console.log('Service Worker registered successfully:', registration.scope);
            })
            .catch(error => {
              console.log('Service Worker registration failed:', error);
            });
        });
      }

      // Remove loading spinner once React mounts
      window.addEventListener('DOMContentLoaded', () => {
        const checkRoot = setInterval(() => {
          const root = document.getElementById('root');
          if (root && root.children.length > 1) {
            const loader = document.querySelector('.app-loading');
            if (loader) {
              loader.style.opacity = '0';
              setTimeout(() => loader.remove(), 300);
            }
            clearInterval(checkRoot);
          }
        }, 100);
      });
    </script>
  </body>
</html>