fastapi-demo / templates /index.html
tententgc
fix the problem
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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>VisionAI | Object Detection Platform</title>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
<style>
/* CSS Variables for Easy Theming */
:root {
--background-color: #121212;
--surface-color: #1E1E1E;
--primary-text-color: #E0E0E0;
--secondary-text-color: #A0A0A0;
--accent-color: #007BFF;
--accent-hover-color: #0056b3;
--border-color: #333333;
--error-color: #CF6679;
--success-color: #4CAF50;
--shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
--border-radius: 12px;
}
/* Base & Body Styles */
* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
body {
font-family: 'Inter', sans-serif;
background-color: var(--background-color);
color: var(--primary-text-color);
display: flex;
flex-direction: column;
min-height: 100vh;
align-items: center;
padding: 20px;
}
/* Header */
header {
width: 100%;
max-width: 900px;
padding: 20px 0;
margin-bottom: 2rem;
border-bottom: 1px solid var(--border-color);
text-align: left;
}
header h1 {
font-size: 1.8rem;
font-weight: 600;
letter-spacing: -0.5px;
}
header span {
color: var(--accent-color);
}
/* Main Container */
.container {
width: 100%;
max-width: 900px;
flex-grow: 1;
}
/* Card Style for content blocks */
.card {
background-color: var(--surface-color);
padding: 40px;
border-radius: var(--border-radius);
box-shadow: var(--shadow);
border: 1px solid var(--border-color);
margin-bottom: 30px;
transition: all 0.3s ease;
}
.card h2 {
font-size: 1.5rem;
font-weight: 600;
margin-bottom: 10px;
}
.card p {
color: var(--secondary-text-color);
margin-bottom: 25px;
line-height: 1.6;
}
/* Upload Form & Area */
.upload-area {
border: 2px dashed var(--border-color);
border-radius: var(--border-radius);
padding: 40px;
text-align: center;
cursor: pointer;
transition: border-color 0.3s ease, background-color 0.3s ease;
position: relative;
}
.upload-area:hover {
border-color: var(--accent-color);
background-color: rgba(0, 123, 255, 0.05);
}
.upload-area input[type="file"] {
position: absolute;
width: 100%;
height: 100%;
top: 0;
left: 0;
opacity: 0;
cursor: pointer;
}
.upload-icon svg {
width: 50px;
height: 50px;
stroke: var(--secondary-text-color);
margin-bottom: 15px;
transition: stroke 0.3s ease;
}
.upload-area:hover .upload-icon svg {
stroke: var(--accent-color);
}
.upload-text {
font-weight: 500;
}
.upload-text span {
color: var(--accent-color);
font-weight: 600;
}
#file-name {
margin-top: 15px;
color: var(--success-color);
font-weight: 500;
font-style: italic;
}
/* Submit Button */
.btn {
background-color: var(--accent-color);
color: white;
border: none;
padding: 12px 30px;
font-size: 1rem;
font-weight: 600;
border-radius: 8px;
cursor: pointer;
transition: background-color 0.3s ease, transform 0.2s ease;
display: inline-block;
margin-top: 25px;
width: 100%;
max-width: 300px;
}
.btn:hover {
background-color: var(--accent-hover-color);
transform: translateY(-2px);
}
/* Loader */
.loader-container {
display: none; /* Hidden by default */
text-align: center;
}
.loader {
border: 4px solid var(--border-color);
border-top: 4px solid var(--accent-color);
border-radius: 50%;
width: 50px;
height: 50px;
animation: spin 1s linear infinite;
margin: 20px auto;
}
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
/* Result & Error Display */
.result-display h2 {
text-align: center;
}
.result-display img {
max-width: 100%;
border-radius: var(--border-radius);
margin-top: 20px;
border: 1px solid var(--border-color);
}
.error-message {
background-color: rgba(207, 102, 121, 0.1);
border: 1px solid var(--error-color);
color: var(--error-color);
padding: 20px;
border-radius: var(--border-radius);
text-align: center;
font-weight: 600;
}
/* Footer */
footer {
width: 100%;
max-width: 900px;
text-align: center;
padding: 20px 0;
margin-top: auto;
color: var(--secondary-text-color);
font-size: 0.9rem;
border-top: 1px solid var(--border-color);
}
</style>
</head>
<body>
<header>
<h1>VisionAI <span>/</span> Object Detection</h1>
</header>
<main class="container">
<section class="card" id="uploader-card">
<h2>Upload Image</h2>
<p>Select or drag and drop an image file. The model will detect and highlight objects within it.</p>
<form id="upload-form" action="/predict_web" method="post" enctype="multipart/form-data">
<div class="upload-area">
<input type="file" name="file" id="file-input" accept="image/*" required>
<div class="upload-icon">
<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"></path><polyline points="17 8 12 3 7 8"></polyline><line x1="12" y1="3" x2="12" y2="15"></line></svg>
</div>
<p class="upload-text">Drag & drop your image here, or <span>browse files</span>.</p>
<div id="file-name"></div>
</div>
<div style="text-align: center;">
<button type="submit" class="btn">Detect Objects</button>
</div>
</form>
</section>
<section class="card loader-container" id="loader-card">
<h2>Processing Image...</h2>
<p>Our AI is analyzing your image. Please wait a moment.</p>
<div class="loader"></div>
</section>
{% if image_url %}
<section class="card result-display">
<h2>Detection Result</h2>
<img src="{{ image_url }}" alt="Detected Objects">
</section>
{% endif %}
{% if error_message %}
<div class="error-message">
<p>{{ error_message }}</p>
</div>
{% endif %}
</main>
<footer>
<p>&copy; 2025 VisionAI Platform. All rights reserved.</p>
</footer>
<script>
const uploadForm = document.getElementById('upload-form');
const fileInput = document.getElementById('file-input');
const fileNameDisplay = document.getElementById('file-name');
const uploaderCard = document.getElementById('uploader-card');
const loaderCard = document.getElementById('loader-card');
// Show selected file name
fileInput.addEventListener('change', () => {
if (fileInput.files.length > 0) {
fileNameDisplay.textContent = `Selected: ${fileInput.files[0].name}`;
} else {
fileNameDisplay.textContent = '';
}
});
// Show loader on form submission
uploadForm.addEventListener('submit', () => {
// Check if a file is selected
if (fileInput.files.length > 0) {
uploaderCard.style.display = 'none';
loaderCard.style.display = 'block';
}
});
</script>
</body>
</html>