agent-verif / index.html
claude's playground
Improve verdict display UX
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<!DOCTYPE html>
<!--
============================================================================
agent verf - Production UI
Version: 1.0.0
Last Updated: 2026-01-25
AI-powered fact-checking for social media claims.
============================================================================
-->
<html lang="en" data-theme="dark">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>agent verf - Verify Any Content</title>
<meta name="description" content="AI-powered fact-checking for social media claims. Paste a tweet URL and get a verdict with sources.">
<link rel="icon" href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><text y='.9em' font-size='90'>🔍</text></svg>">
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
:root {
--bg-primary: #0a0a0a;
--bg-secondary: #111;
--bg-tertiary: #1a1a1a;
--border-primary: #1f1f1f;
--border-secondary: #2a2a2a;
--text-primary: #ededed;
--text-secondary: #888;
--text-tertiary: #555;
--accent: #ededed;
--accent-hover: #fff;
--verdict-true: #22c55e;
--verdict-false: #ef4444;
--verdict-mixed: #f59e0b;
--verdict-true-bg: rgba(34, 197, 94, 0.15);
--verdict-false-bg: rgba(239, 68, 68, 0.15);
--verdict-mixed-bg: rgba(245, 158, 11, 0.15);
}
[data-theme="light"] {
--bg-primary: #ffffff;
--bg-secondary: #ffffff;
--bg-tertiary: #f9fafb;
--border-primary: #e5e7eb;
--border-secondary: #d1d5db;
--text-primary: #111827;
--text-secondary: #6b7280;
--text-tertiary: #9ca3af;
--accent: #111827;
--accent-hover: #000;
--verdict-true-bg: #dcfce7;
--verdict-false-bg: #fee2e2;
--verdict-mixed-bg: #fef3c7;
}
body {
font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
background: var(--bg-primary);
color: var(--text-primary);
line-height: 1.6;
min-height: 100vh;
transition: background 0.3s, color 0.3s;
}
header {
border-bottom: 1px solid var(--border-primary);
padding: 16px 32px;
background: var(--bg-secondary);
position: sticky;
top: 0;
z-index: 100;
display: flex;
justify-content: space-between;
align-items: center;
}
.logo {
font-size: 18px;
font-weight: 600;
color: var(--text-primary);
text-decoration: none;
display: flex;
align-items: center;
gap: 10px;
}
.theme-toggle {
display: flex;
align-items: center;
gap: 8px;
cursor: pointer;
}
.toggle-switch {
width: 44px;
height: 24px;
background: var(--border-secondary);
border-radius: 12px;
position: relative;
transition: background 0.3s;
}
.toggle-switch::after {
content: "";
position: absolute;
top: 3px;
left: 3px;
width: 18px;
height: 18px;
background: var(--text-primary);
border-radius: 50%;
transition: transform 0.3s;
}
[data-theme="light"] .toggle-switch::after {
transform: translateX(20px);
}
.container {
max-width: 640px;
margin: 0 auto;
padding: 60px 24px;
}
.hero {
text-align: center;
margin-bottom: 48px;
}
h1 {
font-size: 40px;
font-weight: 700;
margin-bottom: 12px;
letter-spacing: -0.02em;
}
.subtitle {
color: var(--text-secondary);
font-size: 16px;
}
.input-card {
background: var(--bg-secondary);
border: 1px solid var(--border-primary);
border-radius: 12px;
padding: 28px;
}
label {
display: block;
font-family: 'JetBrains Mono', monospace;
font-size: 12px;
font-weight: 500;
margin-bottom: 10px;
color: var(--text-secondary);
text-transform: uppercase;
letter-spacing: 0.5px;
}
input[type="text"], textarea {
width: 100%;
padding: 14px 16px;
background: var(--bg-primary);
border: 1px solid var(--border-secondary);
border-radius: 8px;
font-size: 15px;
font-family: 'JetBrains Mono', monospace;
color: var(--text-primary);
margin-bottom: 16px;
transition: all 0.2s;
}
textarea {
min-height: 100px;
resize: vertical;
}
input::placeholder, textarea::placeholder {
color: var(--text-tertiary);
}
input:focus, textarea:focus {
outline: none;
border-color: var(--text-secondary);
}
.input-tabs {
display: flex;
gap: 8px;
margin-bottom: 20px;
}
.tab-btn {
flex: 1;
padding: 10px;
background: var(--bg-tertiary);
border: 1px solid var(--border-secondary);
border-radius: 6px;
font-family: 'JetBrains Mono', monospace;
font-size: 12px;
color: var(--text-secondary);
cursor: pointer;
transition: all 0.15s;
}
.tab-btn.active {
background: var(--accent);
color: var(--bg-primary);
border-color: var(--accent);
}
.btn-primary {
width: 100%;
padding: 14px;
background: var(--accent);
color: var(--bg-primary);
border: none;
border-radius: 8px;
font-size: 14px;
font-weight: 600;
cursor: pointer;
transition: all 0.15s;
font-family: inherit;
}
.btn-primary:hover {
background: var(--accent-hover);
}
.btn-primary:disabled {
opacity: 0.5;
cursor: not-allowed;
}
.btn-secondary {
padding: 12px 24px;
background: transparent;
border: 1px solid var(--border-secondary);
border-radius: 8px;
font-size: 14px;
font-weight: 500;
color: var(--text-secondary);
cursor: pointer;
font-family: inherit;
transition: all 0.15s;
}
.btn-secondary:hover {
border-color: var(--text-secondary);
color: var(--text-primary);
}
.progress-section {
text-align: center;
}
.progress-card {
background: var(--bg-secondary);
border: 1px solid var(--border-primary);
border-radius: 12px;
padding: 48px 32px;
}
.spinner {
width: 40px;
height: 40px;
border: 2px solid var(--border-secondary);
border-top-color: var(--text-primary);
border-radius: 50%;
animation: spin 0.8s linear infinite;
margin: 0 auto 28px;
}
@keyframes spin {
to { transform: rotate(360deg); }
}
.progress-title {
font-size: 20px;
font-weight: 600;
margin-bottom: 8px;
}
.progress-bar-container {
width: 100%;
height: 4px;
background: var(--border-primary);
border-radius: 2px;
margin: 24px 0 16px;
overflow: hidden;
}
.progress-bar {
height: 100%;
background: var(--text-primary);
border-radius: 2px;
transition: width 0.4s ease;
}
.progress-step {
font-family: 'JetBrains Mono', monospace;
color: var(--text-tertiary);
font-size: 13px;
}
.steps {
display: flex;
justify-content: center;
gap: 8px;
margin-top: 24px;
}
.step-dot {
width: 6px;
height: 6px;
border-radius: 50%;
background: var(--border-secondary);
transition: all 0.3s;
}
.step-dot.active {
background: var(--text-primary);
box-shadow: 0 0 8px var(--text-secondary);
}
.step-dot.complete {
background: var(--text-secondary);
}
.result-section {
text-align: center;
}
.verdict-header {
margin-bottom: 32px;
}
.verdict-badge {
display: inline-flex;
align-items: center;
gap: 8px;
font-family: 'JetBrains Mono', monospace;
font-size: 14px;
font-weight: 600;
padding: 10px 20px;
border-radius: 6px;
margin-bottom: 12px;
letter-spacing: 1px;
}
.badge-true { background: var(--verdict-true-bg); color: var(--verdict-true); border: 1px solid var(--verdict-true); }
.badge-false { background: var(--verdict-false-bg); color: var(--verdict-false); border: 1px solid var(--verdict-false); }
.badge-mixed { background: var(--verdict-mixed-bg); color: var(--verdict-mixed); border: 1px solid var(--verdict-mixed); }
.badge-unknown { background: var(--bg-tertiary); color: var(--text-secondary); border: 1px solid var(--border-secondary); }
.verdict-meta {
display: flex;
justify-content: center;
gap: 32px;
margin-top: 20px;
}
.meta-item {
text-align: center;
}
.meta-value {
font-family: 'JetBrains Mono', monospace;
font-size: 28px;
font-weight: 600;
color: var(--text-primary);
}
.meta-label {
font-family: 'JetBrains Mono', monospace;
font-size: 11px;
color: var(--text-tertiary);
text-transform: uppercase;
letter-spacing: 1px;
margin-top: 4px;
}
/* Verdict tooltip */
.verdict-badge {
position: relative;
cursor: help;
}
.verdict-tooltip {
position: absolute;
bottom: calc(100% + 12px);
left: 50%;
transform: translateX(-50%);
background: var(--bg-secondary);
border: 1px solid var(--border-secondary);
border-radius: 8px;
padding: 12px 16px;
width: 280px;
font-size: 13px;
font-family: 'Inter', sans-serif;
font-weight: 400;
letter-spacing: 0;
text-align: left;
color: var(--text-secondary);
line-height: 1.5;
opacity: 0;
visibility: hidden;
transition: opacity 0.2s, visibility 0.2s;
z-index: 100;
box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.verdict-tooltip::after {
content: "";
position: absolute;
top: 100%;
left: 50%;
transform: translateX(-50%);
border: 6px solid transparent;
border-top-color: var(--border-secondary);
}
.verdict-badge:hover .verdict-tooltip {
opacity: 1;
visibility: visible;
}
.tooltip-title {
font-weight: 600;
color: var(--text-primary);
margin-bottom: 6px;
}
.result-card {
background: var(--bg-secondary);
border: 1px solid var(--border-primary);
border-radius: 12px;
padding: 24px;
margin-bottom: 12px;
text-align: left;
}
.result-card h2 {
font-family: 'JetBrains Mono', monospace;
font-size: 11px;
font-weight: 500;
text-transform: uppercase;
letter-spacing: 1px;
color: var(--text-tertiary);
margin-bottom: 16px;
}
.result-card p {
color: var(--text-secondary);
font-size: 14px;
line-height: 1.7;
}
.result-card ul {
padding-left: 0;
list-style: none;
}
.result-card li {
color: var(--text-secondary);
font-size: 14px;
margin-bottom: 10px;
padding-left: 16px;
position: relative;
}
.result-card li::before {
content: "->";
position: absolute;
left: 0;
color: var(--text-tertiary);
font-family: 'JetBrains Mono', monospace;
font-size: 12px;
}
.source-item {
padding: 16px;
background: var(--bg-tertiary);
border: 1px solid var(--border-primary);
border-radius: 8px;
margin-bottom: 10px;
}
.source-item a {
color: var(--text-secondary);
text-decoration: none;
font-family: 'JetBrains Mono', monospace;
font-size: 13px;
word-break: break-all;
}
.source-item a:hover {
color: var(--text-primary);
}
.source-title {
font-weight: 500;
color: var(--text-primary);
margin-bottom: 4px;
font-size: 14px;
}
.source-desc {
font-size: 13px;
color: var(--text-tertiary);
margin-top: 8px;
}
.actions {
display: flex;
justify-content: center;
gap: 12px;
margin-top: 32px;
}
.error-msg {
background: var(--verdict-false-bg);
border: 1px solid var(--verdict-false);
color: var(--verdict-false);
padding: 12px 16px;
border-radius: 8px;
margin-top: 16px;
font-size: 14px;
}
.hidden { display: none !important; }
@media (max-width: 480px) {
h1 { font-size: 28px; }
.container { padding: 40px 16px; }
header { padding: 12px 16px; }
}
</style>
</head>
<body>
<header>
<a href="/" class="logo">
<span>🔍</span>
agent verf
</a>
<div class="theme-toggle" onclick="toggleTheme()">
<span id="theme-icon">🌙</span>
<div class="toggle-switch"></div>
<span>☀️</span>
</div>
</header>
<main class="container">
<!-- Input Section -->
<div id="input-section">
<div class="hero">
<h1>Verify content</h1>
<p class="subtitle">AI-powered fact-checking in seconds</p>
</div>
<div class="input-card">
<div class="input-tabs">
<button class="tab-btn active" onclick="switchTab('url')">URL</button>
<button class="tab-btn" onclick="switchTab('text')">Text</button>
</div>
<form id="verify-form">
<div id="url-input">
<label>Paste a Twitter/X URL</label>
<input type="text" id="url" placeholder="https://x.com/user/status/...">
</div>
<div id="text-input" class="hidden">
<label>Paste claim text</label>
<textarea id="text" placeholder="Enter the claim you want to verify..."></textarea>
</div>
<button type="submit" class="btn-primary" id="submit-btn">Verify</button>
</form>
<div id="error-msg" class="error-msg hidden"></div>
</div>
</div>
<!-- Progress Section -->
<div id="progress-section" class="progress-section hidden">
<div class="progress-card">
<div class="spinner"></div>
<div class="progress-title">Verifying</div>
<p class="progress-step" id="progress-step">starting...</p>
<div class="progress-bar-container">
<div class="progress-bar" id="progress-bar" style="width: 10%"></div>
</div>
<div class="steps">
<div class="step-dot" id="dot-1"></div>
<div class="step-dot" id="dot-2"></div>
<div class="step-dot" id="dot-3"></div>
</div>
</div>
</div>
<!-- Result Section -->
<div id="result-section" class="result-section hidden">
<div class="verdict-header">
<div class="verdict-badge" id="verdict-badge">
<span class="verdict-tooltip" id="verdict-tooltip"></span>
</div>
<div class="verdict-meta">
<div class="meta-item">
<div class="meta-value" id="confidence-value">--</div>
<div class="meta-label">Confidence</div>
</div>
<div class="meta-item">
<div class="meta-value" id="sources-value">--</div>
<div class="meta-label">Sources</div>
</div>
</div>
</div>
<div class="result-card">
<h2>Summary</h2>
<p id="verdict-summary"></p>
</div>
<div class="result-card" id="findings-card">
<h2>Key Findings</h2>
<ul id="findings-list"></ul>
</div>
<div class="result-card" id="sources-card">
<h2>Sources</h2>
<div id="sources-list"></div>
</div>
<div class="actions">
<button class="btn-secondary" onclick="resetForm()">Verify another</button>
</div>
</div>
</main>
<script>
// Use relative URL - works on any host
const API_BASE = '';
// Theme
function toggleTheme() {
const html = document.documentElement;
const newTheme = html.getAttribute('data-theme') === 'dark' ? 'light' : 'dark';
html.setAttribute('data-theme', newTheme);
localStorage.setItem('theme', newTheme);
}
(function() {
const saved = localStorage.getItem('theme') || 'dark';
document.documentElement.setAttribute('data-theme', saved);
})();
// Input tabs
let inputMode = 'url';
function switchTab(mode) {
inputMode = mode;
document.querySelectorAll('.tab-btn').forEach(btn => btn.classList.remove('active'));
document.querySelector(`.tab-btn:nth-child(${mode === 'url' ? 1 : 2})`).classList.add('active');
document.getElementById('url-input').classList.toggle('hidden', mode !== 'url');
document.getElementById('text-input').classList.toggle('hidden', mode !== 'text');
}
// Verdict styling with tooltips
const VERDICT_MAP = {
'TRUE': {
class: 'badge-true', icon: '✓', label: 'TRUE',
tooltip: 'The claim is accurate and well-supported by multiple reliable sources.'
},
'MOSTLY_TRUE': {
class: 'badge-true', icon: '✓', label: 'MOSTLY TRUE',
tooltip: 'The claim is largely accurate but may omit minor details or context. Core facts are verified.'
},
'MIXED': {
class: 'badge-mixed', icon: '⚠', label: 'MIXED',
tooltip: 'The claim contains both accurate and inaccurate elements. Some parts are true, others are false or misleading.'
},
'MOSTLY_FALSE': {
class: 'badge-false', icon: '✗', label: 'MOSTLY FALSE',
tooltip: 'The claim is largely inaccurate. It may contain a small kernel of truth but misrepresents the facts overall.'
},
'FALSE': {
class: 'badge-false', icon: '✗', label: 'FALSE',
tooltip: 'The claim is demonstrably false. No credible evidence supports it.'
},
'UNVERIFIABLE': {
class: 'badge-unknown', icon: '?', label: 'UNVERIFIABLE',
tooltip: 'Unable to verify this claim. Insufficient evidence available or the claim is too vague to fact-check.'
},
};
const STEP_LABELS = {
'queued': 'starting...',
'triage': 'analyzing claims...',
'evidence': 'gathering evidence...',
'synthesis': 'generating verdict...',
'done': 'complete!'
};
// Form submission
document.getElementById('verify-form').addEventListener('submit', async (e) => {
e.preventDefault();
hideError();
const payload = {};
if (inputMode === 'url') {
const url = document.getElementById('url').value.trim();
if (!url) return showError('Please enter a URL');
payload.url = url;
} else {
const text = document.getElementById('text').value.trim();
if (!text) return showError('Please enter some text');
payload.text = text;
}
showProgress();
try {
const response = await fetch(`${API_BASE}/api/v1/verify/quick`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(payload),
});
if (!response.ok) {
const err = await response.json();
throw new Error(err.detail || 'Verification failed');
}
const result = await response.json();
showResult(result);
} catch (err) {
showError(err.message);
showInput();
}
});
function showProgress() {
document.getElementById('input-section').classList.add('hidden');
document.getElementById('progress-section').classList.remove('hidden');
document.getElementById('result-section').classList.add('hidden');
// Animate progress
let progress = 10;
const steps = ['triage', 'evidence', 'synthesis'];
let stepIdx = 0;
const interval = setInterval(() => {
progress = Math.min(progress + Math.random() * 15, 90);
document.getElementById('progress-bar').style.width = `${progress}%`;
if (progress > 30 && stepIdx < 1) stepIdx = 1;
if (progress > 60 && stepIdx < 2) stepIdx = 2;
document.getElementById('progress-step').textContent = STEP_LABELS[steps[stepIdx]];
for (let i = 0; i < 3; i++) {
const dot = document.getElementById(`dot-${i + 1}`);
dot.classList.remove('active', 'complete');
if (i < stepIdx) dot.classList.add('complete');
if (i === stepIdx) dot.classList.add('active');
}
}, 500);
window._progressInterval = interval;
}
function showResult(data) {
if (window._progressInterval) clearInterval(window._progressInterval);
document.getElementById('progress-section').classList.add('hidden');
document.getElementById('result-section').classList.remove('hidden');
const verdict = data.verdict || 'UNVERIFIABLE';
const style = VERDICT_MAP[verdict] || VERDICT_MAP['UNVERIFIABLE'];
const badge = document.getElementById('verdict-badge');
badge.className = 'verdict-badge ' + style.class;
badge.innerHTML = `${style.icon} ${style.label}<span class="verdict-tooltip"><span class="tooltip-title">${style.label}</span>${style.tooltip}</span>`;
const confidence = data.confidence ? Math.round(data.confidence * 100) : '--';
const sourceCount = data.sources ? data.sources.length : 0;
document.getElementById('confidence-value').textContent = `${confidence}%`;
document.getElementById('sources-value').textContent = sourceCount;
document.getElementById('verdict-summary').textContent = data.summary || 'No summary available.';
// Key findings
const findingsCard = document.getElementById('findings-card');
const findingsList = document.getElementById('findings-list');
if (data.key_findings && data.key_findings.length > 0) {
findingsCard.classList.remove('hidden');
findingsList.innerHTML = data.key_findings.map(f => `<li>${escapeHtml(f)}</li>`).join('');
} else {
findingsCard.classList.add('hidden');
}
// Sources
const sourcesCard = document.getElementById('sources-card');
const sourcesList = document.getElementById('sources-list');
if (data.sources && data.sources.length > 0) {
sourcesCard.classList.remove('hidden');
sourcesList.innerHTML = data.sources.map(s => `
<div class="source-item">
<div class="source-title">${escapeHtml(s.title || 'Source')}</div>
<a href="${escapeHtml(s.url)}" target="_blank" rel="noopener">${escapeHtml(s.url)}</a>
${s.description ? `<div class="source-desc">${escapeHtml(s.description.slice(0, 150))}...</div>` : ''}
</div>
`).join('');
} else {
sourcesCard.classList.add('hidden');
}
}
function showInput() {
if (window._progressInterval) clearInterval(window._progressInterval);
document.getElementById('input-section').classList.remove('hidden');
document.getElementById('progress-section').classList.add('hidden');
document.getElementById('result-section').classList.add('hidden');
}
function resetForm() {
document.getElementById('url').value = '';
document.getElementById('text').value = '';
hideError();
showInput();
}
function showError(msg) {
const el = document.getElementById('error-msg');
el.textContent = msg;
el.classList.remove('hidden');
}
function hideError() {
document.getElementById('error-msg').classList.add('hidden');
}
function escapeHtml(text) {
const div = document.createElement('div');
div.textContent = text;
return div.innerHTML;
}
</script>
</body>
</html>