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User reported "multiple unwanted vertical lines in the boxes" on the portrait BoL. Pixel analysis confirmed it: previous design had 3 separate `<div class="sig-box">` each with its own 1px border, with a 4-8px gap between adjacent boxes — visually those adjacent borders read as a doubled / "duplicate" line between cells. Fix: replace 3-box layout with a single `<table class="bordered sig-table">` containing 3 td cells. With border-collapse: collapse, adjacent cells share their border — so the row now shows 4 vertical lines (1 outer left + 2 internal dividers + 1 outer right) instead of 6 close-together border lines. - Dropped `.sig-box` class entirely (no per-box border anymore) - Added `.sig-table` + `.sig-cell` with explicit 1px borders so the layout works without depending on `.bordered` class inheritance - Applied to both portrait + landscape variants - Landscape sig-row was still using the OLD Bootstrap row+col-4 layout (never got replaced earlier) — also migrated to the new table layout Verified: page count unchanged (portrait 1, landscape 1), all labels and content present, structure clean. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>