 /* Gaya tetap sama seperti versi sebelumnya */
    body {
      background-color: #f8fafc;
      color: #1f2937;
      font-family: "Segoe UI", sans-serif;
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 30px;
      min-height: 100vh;
    }
    .img-converter-wrap {
      background: white;
      padding: 2rem;
      border-radius: 16px;
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.05);
      max-width: 700px;
      width: 100%;
      text-align: center;
    }
    .img-upload-area {
      margin: 1.5rem 0;
      padding: 20px;
      border: 2px dashed #cbd5e1;
      border-radius: 12px;
      background-color: #f1f5f9;
    }
    .img-upload-btn {
      background-color: #4f46e5;
      color: white;
      padding: 10px 24px;
      border-radius: 8px;
      cursor: pointer;
      margin-bottom: 10px;
      display: inline-block;
    }
    .file-input { display: none; }
    #thumbPreview {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 10px;
      justify-content: center;
    }
    .thumbnail {
      position: relative;
      width: 100px;
      height: 100px;
      border: 1px solid #ccc;
      border-radius: 6px;
      overflow: hidden;
    }
    .thumbnail img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .remove-thumb {
      position: absolute;
      top: 2px;
      right: 2px;
      background-color: rgba(255, 0, 0, 0.7);
      color: white;
      border: none;
      border-radius: 50%;
      cursor: pointer;
      font-size: 14px;
      width: 20px;
      height: 20px;
      text-align: center;
      line-height: 18px;
    }
    .convert-trigger-btn,
    .download-all-btn {
      background-color: #16a34a;
      color: white;
      padding: 10px 24px;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      margin-top: 20px;
    }
    .download-all-btn { display: none; }
    .conversion-status {
      margin-top: 1rem;
      font-size: 14px;
      color: #16a34a;
      display: none;
    }