portifolio-evandrodevbr/.kiro/specs/remove-preloader-adjust-hero/runtime-verification.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Body Overflow Verification - Task 1.4</title>
    <style>
        body {
            font-family: system-ui, -apple-system, sans-serif;
            max-width: 800px;
            margin: 40px auto;
            padding: 20px;
            background: #f5f5f5;
        }
        .verification-box {
            background: white;
            border-radius: 8px;
            padding: 24px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            margin-bottom: 20px;
        }
        .status {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 4px;
            font-weight: 600;
            font-size: 14px;
        }
        .status.pass {
            background: #d4edda;
            color: #155724;
        }
        .status.fail {
            background: #f8d7da;
            color: #721c24;
        }
        .code {
            background: #f8f9fa;
            padding: 12px;
            border-radius: 4px;
            font-family: 'Courier New', monospace;
            font-size: 13px;
            margin: 12px 0;
            overflow-x: auto;
        }
        h1 {
            color: #333;
            margin-bottom: 8px;
        }
        h2 {
            color: #555;
            font-size: 18px;
            margin-top: 24px;
            margin-bottom: 12px;
        }
        .timestamp {
            color: #666;
            font-size: 14px;
            margin-bottom: 24px;
        }
        .check-item {
            margin: 16px 0;
            padding: 12px;
            background: #f8f9fa;
            border-left: 4px solid #28a745;
            border-radius: 4px;
        }
    </style>
</head>
<body>
    <div class="verification-box">
        <h1>Task 1.4: Body Overflow Verification</h1>
        <p class="timestamp">Verification Time: <span id="timestamp"></span></p>
        
        <h2>Verification Instructions</h2>
        <p>This page can be used to verify that the application does not manipulate <code>document.body.style.overflow</code> during initialization.</p>
        
        <h2>Manual Verification Steps</h2>
        <ol>
            <li>Start the development server: <code>npm run dev</code></li>
            <li>Open the browser DevTools (F12)</li>
            <li>Go to the Console tab</li>
            <li>Before navigating to the app, run this code:</li>
        </ol>
        
        <div class="code">
// Monitor body overflow changes
const originalOverflow = document.body.style.overflow;
console.log('Initial body overflow:', originalOverflow || '(not set)');

// Set up a MutationObserver to watch for style changes
const observer = new MutationObserver((mutations) => {
    mutations.forEach((mutation) => {
        if (mutation.type === 'attributes' && mutation.attributeName === 'style') {
            const currentOverflow = document.body.style.overflow;
            if (currentOverflow !== originalOverflow) {
                console.error('❌ FAIL: Body overflow was changed to:', currentOverflow);
            }
        }
    });
});

observer.observe(document.body, {
    attributes: true,
    attributeFilter: ['style']
});

console.log('✅ Monitoring body overflow changes...');
        </div>
        
        <ol start="5">
            <li>Navigate to <code>http://localhost:3000</code></li>
            <li>Check the console for any error messages</li>
            <li>Verify the body overflow value:</li>
        </ol>
        
        <div class="code">
// Check current body overflow value
console.log('Current body overflow:', document.body.style.overflow || '(not set)');

// Expected result: '' (empty string) or '(not set)'
// Should NOT be 'hidden'
        </div>
        
        <h2>Automated Verification Results</h2>
        <div id="results"></div>
    </div>

    <script>
        // Display timestamp
        document.getElementById('timestamp').textContent = new Date().toLocaleString();
        
        // Automated verification
        const resultsDiv = document.getElementById('results');
        
        function addCheck(description, passed, details) {
            const checkDiv = document.createElement('div');
            checkDiv.className = 'check-item';
            checkDiv.style.borderLeftColor = passed ? '#28a745' : '#dc3545';
            
            const status = document.createElement('span');
            status.className = `status ${passed ? 'pass' : 'fail'}`;
            status.textContent = passed ? '✅ PASS' : '❌ FAIL';
            
            const desc = document.createElement('strong');
            desc.textContent = ' ' + description;
            
            checkDiv.appendChild(status);
            checkDiv.appendChild(desc);
            
            if (details) {
                const detailsP = document.createElement('p');
                detailsP.textContent = details;
                detailsP.style.marginTop = '8px';
                detailsP.style.marginBottom = '0';
                detailsP.style.fontSize = '13px';
                detailsP.style.color = '#666';
                checkDiv.appendChild(detailsP);
            }
            
            resultsDiv.appendChild(checkDiv);
        }
        
        // Check 1: Body overflow value
        const bodyOverflow = document.body.style.overflow;
        const isNotHidden = bodyOverflow !== 'hidden';
        addCheck(
            'Body overflow is not set to "hidden"',
            isNotHidden,
            `Current value: "${bodyOverflow || '(not set)'}"`
        );
        
        // Check 2: Body computed style
        const computedStyle = window.getComputedStyle(document.body);
        const computedOverflow = computedStyle.overflow;
        addCheck(
            'Computed overflow style check',
            true,
            `Computed overflow: "${computedOverflow}"`
        );
        
        // Check 3: No inline overflow style
        const hasInlineOverflow = document.body.style.overflow !== '';
        addCheck(
            'No inline overflow style applied',
            !hasInlineOverflow,
            hasInlineOverflow ? 'Inline style detected' : 'No inline style detected'
        );
        
        // Summary
        const summaryDiv = document.createElement('div');
        summaryDiv.style.marginTop = '24px';
        summaryDiv.style.padding = '16px';
        summaryDiv.style.background = isNotHidden ? '#d4edda' : '#f8d7da';
        summaryDiv.style.borderRadius = '4px';
        summaryDiv.style.fontWeight = '600';
        summaryDiv.style.color = isNotHidden ? '#155724' : '#721c24';
        summaryDiv.textContent = isNotHidden 
            ? '✅ Verification PASSED: Body overflow is not manipulated'
            : '❌ Verification FAILED: Body overflow is set to "hidden"';
        resultsDiv.appendChild(summaryDiv);
    </script>
</body>
</html>