.crypto-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin: 24px 0;
  }
  .crypto-config, .crypto-result {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    overflow: hidden;
  }
  .panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--ad-bg);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
  }
  .panel-body {
    padding: 20px;
  }
  textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--input-border);
    border-radius: 12px;
    background: var(--input-bg);
    color: var(--text-color);
    font-family: monospace;
    resize: vertical;
  }
  .code-preview {
    background: var(--input-bg);
    color: var(--text-color);
    padding: 20px;
    margin: 0;
    min-height: 300px;
    overflow: auto;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 14px;
    white-space: pre-wrap;
    word-wrap: break-word;
  }
  .dropzone-modern {
    background: var(--dropzone-bg);
    border: 2px dashed var(--dropzone-border);
    border-radius: 24px;
    padding: 20px;
    text-align: center;
    transition: all 0.2s;
    cursor: pointer;
  }
  .dropzone-modern:hover {
    border-color: var(--primary);
    background: var(--card-bg);
  }
  .icon-lg { font-size: 36px; margin-bottom: 8px; }
  #fileChecklist {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .file-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    padding: 4px;
    border-radius: 6px;
  }
  .file-item:hover {
    background: var(--ad-bg);
  }
  .file-item input {
    margin: 0;
  }
  .file-item .path {
    font-family: monospace;
    word-break: break-all;
    flex: 1;
  }
  @media (max-width: 768px) {
    .crypto-grid {
      grid-template-columns: 1fr;
    }
  }