.tool-page-header {
      padding: 2.5rem 0 1.5rem;
      border-bottom: 1px solid var(--border);
      margin-bottom: 2rem;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 0.75rem;
    }

    .breadcrumb a {
      color: var(--text-secondary);
      text-decoration: none;
    }

    .breadcrumb a:hover {
      color: var(--text);
    }

    .tool-page-header h1 {
      font-size: clamp(1.5rem, 3vw, 2rem);
      font-weight: 700;
      letter-spacing: -0.02em;
    }

    .tool-page-header p {
      color: var(--text-secondary);
      margin-top: 0.5rem;
      max-width: 700px;
    }

    .tool-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.5rem;
      margin-bottom: 2rem;
    }

    .tool-panel {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 1.5rem;
    }

    .tool-panel-title {
      font-size: 0.8rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--text-muted);
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .form-group {
      margin-bottom: 1.25rem;
    }

    .form-group label {
      display: block;
      font-size: 0.875rem;
      font-weight: 500;
      margin-bottom: 0.375rem;
      color: var(--text);
    }

    .form-select, .form-input, .form-textarea {
      width: 100%;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 0.625rem 0.875rem;
      color: var(--text);
      font-size: 0.9rem;
      transition: border-color 0.2s ease;
    }

    .form-select:focus, .form-input:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--accent);
    }

    .form-select {
      appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235c6470' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 0.75rem center;
      padding-right: 2.5rem;
    }

    .form-textarea {
      resize: vertical;
      min-height: 150px;
      font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
      font-size: 0.85rem;
    }

    .tool-tabs {
      display: flex;
      gap: 0.25rem;
      background: var(--surface);
      border-radius: var(--radius-md);
      padding: 0.25rem;
      margin-bottom: 1.5rem;
      border: 1px solid var(--border);
    }

    .tool-tab {
      flex: 1;
      padding: 0.625rem 1rem;
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text-secondary);
      transition: all 0.2s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
    }

    .tool-tab:hover {
      color: var(--text);
    }

    .tool-tab.active {
      background: var(--accent);
      color: white;
      box-shadow: 0 2px 8px rgba(108, 140, 255, 0.25);
    }

    .upload-zone {
      border: 2px dashed var(--border);
      border-radius: var(--radius-lg);
      padding: 3rem 2rem;
      text-align: center;
      cursor: pointer;
      transition: all 0.2s ease;
      background: var(--surface);
    }

    .upload-zone:hover {
      border-color: var(--accent);
      background: var(--surface-hover);
    }

    .upload-zone input[type="file"] {
      display: none;
    }

    .upload-zone i {
      font-size: 2rem;
      color: var(--accent);
      margin-bottom: 1rem;
    }

    .code-output {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 1rem;
      font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
      font-size: 0.8rem;
      line-height: 1.7;
      word-break: break-all;
      color: var(--text);
      white-space: pre-wrap;
    }

    .output-actions {
      display: flex;
      gap: 0.5rem;
      margin-top: 0.75rem;
      flex-wrap: wrap;
    }

    .info-row {
      display: flex;
      justify-content: space-between;
      padding: 0.75rem 0;
      border-bottom: 1px solid var(--border);
      font-size: 0.9rem;
    }

    .info-row:last-child {
      border-bottom: none;
    }

    .info-row .info-label {
      color: var(--text-muted);
      font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
      font-size: 0.8rem;
    }

    .info-row .info-value {
      font-weight: 500;
      text-align: right;
      max-width: 60%;
      word-break: break-word;
    }

    .info-row .info-value.unknown {
      color: var(--text-muted);
      font-style: italic;
    }

    .empty-state {
      text-align: center;
      padding: 2rem;
      color: var(--text-muted);
    }

    @media (max-width: 768px) {
      .tool-layout {
        grid-template-columns: 1fr;
      }
    }