(function() {
  // Inject CSS
  const style = document.createElement('style');
  style.textContent = `
    @import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@100&display=swap');
    #tjk {
      color: red;
      text-align: center;
      padding: 10px;
    }

    body.kslOverlayActive {
      background: black !important;
      font-family: 'Roboto Mono', monospace !important;
      overflow: hidden;
    }

    .kslOverlay img {
      display: block;
      margin: auto;
      width: 200px;
      border-radius: 10px;
    }

    #tls {
      color: green;
      text-align: center;
    }

    #kk {
      color: grey;
      text-align: center;
    }

    .kslOverlay {
      position: fixed;
      top: 0; left: 0;
      width: 100vw; height: 100vh;
      background: black;
      z-index: 999999;
      overflow-y: auto;
      padding-top: 40px;
    }
  `;
  document.head.appendChild(style);

  // Add overlay
  const overlay = document.createElement('div');
  overlay.className = 'kslOverlay';
  overlay.innerHTML = `
    <div id="tjk">
      <h1>Hacked by K$L</h1>
    </div>
    <img src="https://i.pinimg.com/474x/bf/7f/59/bf7f593e43ab58459cebaf5b1f594833.jpg" alt="anime"><br><br>
    <div id="tls">
      sentiasa menerima kenyataan<br> yang sidia bukan milikku
    </div><br><br>
    <div id="kk">
      ~K$L WAS H3RE~
    </div>
    <audio id="sec">
      <source src="https://i.top4top.io/m_2544259ah0.m4a" type="audio/mpeg">
    </audio>
  `;

  overlay.onclick = function () {
    const audio = document.getElementById('sec');
    if (audio) audio.play().catch(err => console.error("Audio play error:", err));
  };

  // Apply background override and add to body
  document.body.classList.add('kslOverlayActive');
  document.body.appendChild(overlay);
})();