.tool-container {
      text-align: center;
      max-width: 800px;
      margin: 0 auto;
      padding: 20px;
    }
p {
      color: var(--text-color);
    }
#drop-area {
      border: 2px dashed var(--border-color);
      border-radius: 10px;
      width: 90%;
      max-width: 400px;
      height: 150px;
      margin: 0 auto 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-color);
      position: relative;
      cursor: pointer;
      background: var(--card-bg, transparent);
      transition: all 0.3s;
    }
#drop-area.hover {
      border-color: var(--primary-color);
      background-color: var(--hover-bg);
    }
#file-input {
      display: none;
    }
#preview-container {
      margin: 20px auto;
      max-width: 90%;
      border: 1px solid var(--border-color);
      min-height: 150px;
      padding: 10px;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      box-sizing: border-box;
      background: var(--card-bg);
      border-radius: 8px;
    }
.preview-item {
      border: 1px solid var(--border-color);
      padding: 5px;
      background: #fff;
      
      display: inline-block;
      border-radius: 4px;
    }
.preview-item img {
      max-width: 150px;
      max-height: 150px;
      display: block;
    }
#downloadBtn {
      display: none;
      
      margin-top: 20px;
      padding: 10px 20px;
      font-size: 1rem;
      cursor: pointer;
      background-color: var(--primary-color);
      color: var(--accent-ink);
      border: none;
      border-radius: 6px;
    }
#downloadBtn:hover {
      opacity: 0.9;
    }
@media screen and (max-width: 480px) {
.preview-item img {
        max-width: 100px;
        max-height: 100px;
      }
#drop-area {
        height: 120px;
      }
}