/* =====================================================================
   Data Science Major 2025 - Study Material
   Shared Stylesheet

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/* =====================================================================
   ADDITIONS for Data Science Major (not present in Statistics-Major)
   ===================================================================== */

/* ---------- Off-syllabus warning ----------
   Two topics (Bayes' theorem, database triggers) are examined but appear
   in no syllabus unit. Those callouts must not read as ordinary notes. */
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/* ---------- Review finding reference ---------- */
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/* ---------- Mermaid diagrams ----------
   Statistics-Major draws its figures as hand-written inline SVG. This repo
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/* ---------- Left-aligned tables ----------
   The house table style centres every cell, which suits numeric tables.
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/* ---------------------------------------------------------------------------
   Collapsible answers on the practice pages.

   A practice question whose answer sits open beneath it is not practice: the
   eye reaches the answer before the student has attempted anything. Every
   answer is folded behind this control, so the page reads as a question set
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   --------------------------------------------------------------------------- */
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/* ---------------------------------------------------------------------------
   'On this page' contents.

   A unit page runs to two and a half thousand words across a dozen sections.
   Closed by default so it costs one line on a phone; open it and the whole
   shape of the page is visible, and every heading is linkable.
   --------------------------------------------------------------------------- */
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/* No marker: over half the headings on this site number themselves ("3. t-test
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