$stmt = $pdo->prepare("
    SELECT * FROM shop_settings WHERE user_id = ?
");
$stmt->execute([$vendor_id]);
$settings = $stmt->fetch();

<style>
    :root {
        --primary-color: <br />
<b>Warning</b>:  Undefined variable $shop in <b>/home/cp1892199p25/public_html/vendora/shop.php</b> on line <b>9</b><br />
<br />
<b>Warning</b>:  Trying to access array offset on null in <b>/home/cp1892199p25/public_html/vendora/shop.php</b> on line <b>9</b><br />
<br />
<b>Deprecated</b>:  htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in <b>/home/cp1892199p25/public_html/vendora/shop.php</b> on line <b>9</b><br />
;
    }
</style>

<style>
    body{
        font-family:'Segoe UI',sans-serif;
        background:#f8fafc;
    }
    
    .card{
        background:white;
        padding:15px;
        border-radius:16px;
        transition:0.3s;
    }
    
    .card:hover{
        transform:translateY(-4px);
        box-shadow:0 8px 20px rgba(0,0,0,.12);
    }
</style>