hermitesproblem/404.html at main · bbarclay/hermitesproblem · 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 - Hermite's Problem</title>
    <link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>📊</text></svg>">
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css">
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css">
    <style>
        body {
            background: #f7fafd;
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100vh;
            margin: 0;
        }
        .error-container {
            text-align: center;
            max-width: 600px;
            padding: 2rem;
            background: white;
            border-radius: 1rem;
            box-shadow: 0 4px 20px rgba(44,62,80,0.1);
        }
        .error-code {
            font-size: 6rem;
            font-weight: 800;
            color: #0d6efd;
            margin-bottom: 1rem;
        }
        .error-icon {
            font-size: 4rem;
            color: #0d6efd;
            margin-bottom: 1rem;
        }
        .btn {
            margin: 0.5rem;
        }
    </style>
</head>
<body>
    <div class="error-container">
        <div class="error-code">404</div>
        <div class="error-icon"><i class="bi bi-emoji-frown"></i></div>
        <h1 class="mb-4">Page Not Found</h1>
        <p class="lead mb-4">Sorry, the mathematical proof you're looking for couldn't be found. It might have been moved, renamed, or didn't exist in the first place.</p>

        <div class="d-flex justify-content-center flex-wrap">
            <a href="index.html" class="btn btn-primary"><i class="bi bi-house"></i> Home Page</a>
            <a href="paper-viewer.html" class="btn btn-outline-primary"><i class="bi bi-book"></i> Paper Viewer</a>
            <button onclick="window.history.back()" class="btn btn-outline-secondary"><i class="bi bi-arrow-left"></i> Go Back</button>
        </div>

        <div class="mt-4">
            <p class="text-muted">Trying to find content? Check out:</p>
            <div class="d-flex justify-content-center flex-wrap gap-2">
                <a href="index.html#overview-tab" class="badge bg-light text-dark">Overview</a>
                <a href="index.html#methods-tab" class="badge bg-light text-dark">Three Methods</a>
                <a href="index.html#interactive-tab" class="badge bg-light text-dark">Interactive Tools</a>
                <a href="index.html#resources-tab" class="badge bg-light text-dark">Resources</a>
            </div>
        </div>
    </div>

    <script>
        // Check if we're in a GitHub Pages environment and adjust paths if needed
        if (window.location.hostname.includes('github.io')) {
            document.querySelectorAll('a[href^="index.html"]').forEach(link => {
                // If we're in /githubpages/ subdirectory
                if (window.location.pathname.includes('/githubpages/')) {
                    link.href = link.href;
                } else {
                    // We're at root but need to reference githubpages/
                    link.href = 'githubpages/' + link.href;
                }
            });

            document.querySelectorAll('a[href="paper-viewer.html"]').forEach(link => {
                // If we're in /githubpages/ subdirectory
                if (window.location.pathname.includes('/githubpages/')) {
                    link.href = link.href;
                } else {
                    // We're at root but need to reference githubpages/
                    link.href = 'githubpages/paper-viewer.html';
                }
            });
        }
    </script>
</body>
</html>