<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>Stability Control Studio</title>
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: "Segoe UI", Tahoma, sans-serif;
      background: #f9f9f9;
      color: #333;
    }
    header {
      background: #596fc2;
      color: #fff;
      padding: 1rem;
      text-align: center;
    }
    header h1 {
      margin: 0;
      font-size: 1.6rem;
    }

    /* Main container as flex row, wrapping f