.wrapper-container {
      width: 100%;
      max-width: 800px;
      background: white;
      border-radius: 16px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
      padding: 30px;
      margin-bottom: 30px;
}

h1 {
      /* text-align: center; */
      margin-bottom: 20px;
      color: #2c3e50;
      font-weight: 600;
}

.description {
      text-align: center;
      margin-bottom: 30px;
      color: #7f8c8d;
      line-height: 1.5;
}

.upload-area {
      border: 3px dashed #3498db;
      border-radius: 12px;
      padding: 40px 20px;
      text-align: center;
      margin-bottom: 25px;
      transition: all 0.3s;
      background-color: #f8fafc;
}

.upload-area:hover, .upload-area.dragover {
      background-color: #e1f0fa;
      border-color: #2980b9;
}

.upload-icon {
      font-size: 50px;
      color: #3498db;
      margin-bottom: 15px;
}

.upload-text {
      margin-bottom: 20px;
      font-size: 18px;
}

.browse-btn {
      background-color: #3498db;
      color: white;
      border: none;
      padding: 12px 24px;
      border-radius: 50px;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      transition: all 0.3s;
      display: inline-block;
      box-shadow: 0 4px 6px rgba(50, 50, 93, 0.11), 0 1px 3px rgba(0, 0, 0, 0.08);
}

.browse-btn:hover {
      background-color: #2980b9;
      transform: translateY(-2px);
      box-shadow: 0 7px 14px rgba(50, 50, 93, 0.1), 0 3px 6px rgba(0, 0, 0, 0.08);
}

.browse-btn:active {
      transform: translateY(0);
}

.btn-convert {
      background-color: #2ecc71;
      width: 100%;
      margin-top: 20px;
      padding: 15px;
}

.btn-convert:hover {
      background-color: #27ae60;
}

.btn-convert:disabled {
      background-color: #95a5a6;
      cursor: not-allowed;
      transform: none;
      box-shadow: none;
}

.file-input {
      display: none;
}

.preview-container {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
      gap: 15px;
      margin-bottom: 25px;
}

.preview-item {
      position: relative;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.preview-img {
      width: 100%;
      height: 150px;
      object-fit: cover;
      display: block;
}

.remove-btn {
      position: absolute;
      top: 5px;
      right: 5px;
      background: rgba(231, 76, 60, 0.8);
      color: white;
      border: none;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 14px;
      transition: all 0.2s;
}

.remove-btn:hover {
      background: rgba(192, 57, 43, 1);
      transform: scale(1.1);
}

.options {
      margin: 20px 0;
      padding: 20px;
      background-color: #f8fafc;
      border-radius: 12px;
}

.option-title {
      font-weight: 600;
      margin-bottom: 15px;
      color: #2c3e50;
}

.option-group {
      display: flex;
      flex-wrap: wrap;
      gap: 15px;
}

.option-item {
      flex: 1;
      min-width: 200px;
}

label {
      display: block;
      margin-bottom: 8px;
      color: #34495e;
}

select, input {
      width: 100%;
      /* padding: 10px 15px; */
      border: 1px solid #ddd;
      border-radius: 8px;
      font-size: 16px;
      background-color: white;
}

.status {
      text-align: center;
      margin: 20px 0;
      padding: 15px;
      border-radius: 8px;
      font-weight: 500;
}

.status.success {
      background-color: rgba(46, 204, 113, 0.2);
      color: #27ae60;
}

.status.error {
      background-color: rgba(231, 76, 60, 0.2);
      color: #c0392b;
}

.hidden {
      display: none;
}

footer {
      text-align: center;
      color: #7f8c8d;
      margin-top: auto;
      padding: 20px;
}

@media (max-width: 600px) {
      .container {
            padding: 20px;
      }

      .upload-area {
            padding: 30px 15px;
      }

      .preview-container {
            grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
      }
}