.tool-form {
            width: 100%;
            box-sizing: border-box;
        }
        
        .tool-form .form-textarea {
            width: 100%;
            box-sizing: border-box;
            border: 1px solid #e0e0e0;
            border-radius: 4px;
            padding: 12px;
            font-family: "SF Mono", Monaco, Consolas, monospace;
            font-size: 14px;
            line-height: 1.5;
            resize: vertical;
            background: white;
            transition: border-color 0.2s;
            color: #333;
        }
        
        .tool-form .form-textarea:focus {
            outline: none;
            border-color: #4a90e2;
            box-shadow: 0 0 0 1px rgba(74, 144, 226, 0.1);
        }
        
        .tool-form .form-textarea::placeholder {
            color: #999;
        }
        
        .tool-form .form-btn {
            display: flex;
            gap: 8px;
            margin: 12px 0;
            flex-wrap: wrap;
        }
        
        .tool-form .btn {
            padding: 8px 16px;
            border: 1px solid;
            border-radius: 4px;
            background: white;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.2s;
            font-family: inherit;
            box-sizing: border-box;
            font-weight: 500;
        }
        
        .tool-form .btn:hover {
            background-color: #f8f9fa;
        }
        
        .tool-form .btn-success {
            color: #28a745;
            border-color: #28a745;
            background-color: #f8fff9;
        }
        
        .tool-form .btn-warning {
            color: #6c757d;
            border-color: #6c757d;
            background-color: #f9f9f9;
        }
        
        .tool-form .btn-error {
            color: #dc3545;
            border-color: #dc3545;
            background-color: #fff8f9;
        }
        
        .tool-form .tool-result {
            border: 1px solid #e9ecef;
            border-radius: 4px;
            margin: 12px 0;
            overflow: auto;
            box-sizing: border-box;
            background: #f8f9fa;
        }
        
        .tool-form #tool-result {
            margin: 0;
            padding: 12px;
            font-family: "SF Mono", Monaco, Consolas, monospace;
            font-size: 13px;
            line-height: 1.4;
            white-space: pre-wrap;
            word-wrap: break-word;
            background: #f8f9fa;
            border-radius: 4px;
            box-sizing: border-box;
            color: #333;
        }
        
        .tool-form .panel {
            border: 1px solid #dee2e6;
            border-radius: 4px;
            margin-top: 20px;
            box-sizing: border-box;
            background: white;
        }
        
        .tool-form .panel-heading {
            background: #f8f9fa;
            padding: 12px 16px;
            border-bottom: 1px solid #dee2e6;
            box-sizing: border-box;
        }
        
        .tool-form .panel-heading h5 {
            margin: 0;
            color: #495057;
            font-size: 15px;
            font-weight: 600;
            font-family: inherit;
        }
        
        .tool-form .panel-body {
            padding: 16px;
            box-sizing: border-box;
        }
        
        .tool-form .form-field {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
            flex-wrap: wrap;
            box-sizing: border-box;
        }
        
        .tool-form .form-field label {
            min-width: 100px;
            color: #495057;
            font-size: 14px;
            text-align: right;
            font-family: inherit;
            box-sizing: border-box;
            font-weight: 500;
        }
        
        .tool-form .form-input {
            padding: 6px 12px;
            border: 1px solid #ced4da;
            border-radius: 4px;
            font-size: 14px;
            height: 34px;
            box-sizing: border-box;
            font-family: inherit;
            background: white;
            color: #333;
        }
        
        .tool-form .form-select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236c757d' d='M6 8.825L1.175 4 2.238 2.938 6 6.7l3.763-3.762L10.825 4z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            background-size: 12px;
            padding-right: 32px;
            cursor: pointer;
        }
        
        .tool-form .form-select:focus {
            border-color: #4a90e2;
            outline: none;
            box-shadow: 0 0 0 1px rgba(74, 144, 226, 0.1);
        }
        
        .tool-form .minw-300 {
            min-width: 300px;
            flex: 1;
        }
        
        .tool-form .btn-small {
            padding: 4px 12px;
            border: 1px solid #6c757d;
            border-radius: 4px;
            background: white;
            color: #6c757d;
            cursor: pointer;
            font-size: 12px;
            margin-right: 8px;
            font-family: inherit;
            box-sizing: border-box;
            font-weight: 500;
        }
        
        .tool-form .btn-small:hover {
            background-color: #f8f9fa;
            border-color: #545b62;
        }
        
        .tool-form .hide {
            display: none;
        }
        
        .tool-form .tool-description {
            margin-top: 30px;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 4px;
            border: 1px solid #e9ecef;
            box-sizing: border-box;
        }
        
        .tool-form .tool-description h3 {
            color: #495057;
            font-size: 18px;
            margin-top: 0;
            margin-bottom: 16px;
            font-weight: 600;
            padding-bottom: 8px;
            border-bottom: 2px solid #dee2e6;
        }
        
        .tool-form .tool-description h4 {
            color: #6c757d;
            font-size: 16px;
            margin: 20px 0 12px 0;
            font-weight: 600;
        }
        
        .tool-form .tool-description p {
            color: #495057;
            line-height: 1.6;
            margin-bottom: 12px;
            font-size: 14px;
        }
        
        .tool-form .tool-description ul {
            color: #495057;
            line-height: 1.6;
            padding-left: 20px;
            margin-bottom: 12px;
            font-size: 14px;
        }
        
        .tool-form .tool-description li {
            margin-bottom: 6px;
        }
        
        .tool-form .tool-description strong {
            color: #495057;
            font-weight: 600;
        }