<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
body { max-width: 480px; margin: 40px auto; background: #0a0a0a; color: #e0e0e0; font-family: 'SF Mono', 'Fira Code', monospace; padding: 24px; }
h1 { color: #f7931a; font-size: 20px; margin-bottom: 24px; }
.setting { margin-bottom: 20px; padding: 16px; background: #111; border: 1px solid #1a1a1a; border-radius: 8px; }
.label { color: #888; font-size: 12px; margin-bottom: 6px; }
.row { display: flex; align-items: center; justify-content: space-between; }
input[type="number"] { background: #0a0a0a; border: 1px solid #222; color: #fff; padding: 6px 10px; border-radius: 4px; width: 80px; font-family: inherit; }
.toggle { position: relative; width: 44px; height: 24px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background: #333; border-radius: 24px; transition: 0.2s; }
.slider:before { position: absolute; content: ""; height: 18px; width: 18px; left: 3px; bottom: 3px; background: #666; border-radius: 50%; transition: 0.2s; }
.toggle input:checked + .slider { background: #f7931a; }
.toggle input:checked + .slider:before { transform: translateX(20px); background: #fff; }
.saved { color: #4ade80; font-size: 12px; display: none; margin-top: 12px; }
button { background: #f7931a; color: #000; border: none; padding: 8px 20px; border-radius: 6px; font-weight: 600; cursor: pointer; font-family: inherit; margin-top: 16px; }
</style>
</head>
<body>
<h1>BTCFi Settings</h1>
<div class="setting">
<div class="row">
<div>
<div class="label">Whale Notifications</div>
<div style="font-size: 13px">Get notified for large BTC moves</div>
</div>
<label class="toggle"><input type="checkbox" id="whaleAlerts" checked><span class="slider"></span></label>
</div>
</div>
<div class="setting">
<div class="row">
<div>
<div class="label">Whale Threshold (BTC)</div>
<div style="font-size: 13px">Min BTC for notification</div>
</div>
<input type="number" id="whaleThreshold" value="50" min="10" max="10000">
</div>
</div>
<button id="save">Save Settings</button>
<div class="saved" id="saved">Settings saved!</div>
<script>
const $ = id => document.getElementById(id);
chrome.storage.sync.get({ whaleAlerts: true, whaleThreshold: 50 }, (s) => {
$('whaleAlerts').checked = s.whaleAlerts;
$('whaleThreshold').value = s.whaleThreshold;
});
$('save').addEventListener('click', () => {
chrome.storage.sync.set({
whaleAlerts: $('whaleAlerts').checked,
whaleThreshold: parseInt($('whaleThreshold').value) || 50,
}, () => {
$('saved').style.display = 'block';
setTimeout(() => $('saved').style.display = 'none', 2000);
});
});
</script>
</body>
</html>
