/* Voltage Drop report: minimal black-on-white professional calculation record on
   the accepted report basis (docs/design/CALCULATOR-DESIGN-BASIS.md). Poppins
   headings, Arial/Helvetica body, JetBrains Mono labels; plain tables and thin
   rules. Calculations, metadata, sign-in gating and document status remain
   authoritative in the page script, calc-save.js and the server record. */
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