.doc-calculator { font-family: 'Blogger Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif; margin: 20px; line-height: 1.6; max-width: 600px; }
.doc-form-group { margin-bottom: 15px; }
.doc-label { display: block; margin-bottom: 5px; font-weight: bold; }
.doc-select, .doc-input { padding: 8px 12px; font-size: 16px; border: 1px solid #ccc; border-radius: 4px; width: 100%; box-sizing: border-box; }
.doc-input:disabled { background-color: #f5f5f5; color: #999; cursor: not-allowed; }
.doc-button { padding: 10px 20px; font-size: 16px; background-color: #d10808; color: white; border: none; border-radius: 4px; cursor: pointer; width: 93%; }
.doc-button:disabled { background-color: #ccc; cursor: not-allowed; }
.doc-button:hover:not(:disabled) { background-color: #d10801; }
.doc-result { margin-top: 20px;margin-bottom: 5px; padding: 15px; border: 1px solid #ddd; border-radius: 4px; background-color: #f9f9f9; display: none; }
.doc-radio-group { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 10px; }
.doc-radio-item { display: flex; align-items: center; }
.doc-radio-item input { margin-right: 5px; }