feat: cleanup exam template

src/export/typst/templates/exam.typ

@@ -61,7 +61,8 @@
 #let show-points = extra.at("show-points", default: true)
 #let page-per-item = extra.at("page-per-item", default: false)
 #let show-bubbles = extra.at("show-bubbles", default: true)
-#let bubble-radius = eval(extra.at("bubble-radius", default: "0.42em"))
+#let bubble-radius = eval(extra.at("bubble-radius", default: "0.5em"))
+#let scratch-space = eval(extra.at("scratch-space", default: "1.5em"))
 
 #let form-note = if cb-meta.form.at("count", default: 1) > 1 {
   " · Form " + cb-meta.form.id
@@ -76,7 +77,7 @@
     #cb-meta.course.code · #cb-meta.assessment.title#form-note
   ],
   footer: context text(size: 0.85em)[
-    #counter(page).display("Page 1 of 1", both: true)
+    Page #counter(page).display("1 of 1", both: true)
   ],
 )
 #set text(font: body-font, size: body-size, lang: "en")
@@ -129,6 +130,31 @@
 // ever generate both.
 #let bubble() = circle(radius: bubble-radius, stroke: 0.5pt)
 
+// A small colored badge for a question's cognitive level, in the same visual
+// style as the tier badges on Exam 4. `level` counts up from 1; swap the order
+// of `level-colors` if your taxonomy numbers complexity the other way. Nothing
+// is drawn when a variant withholds `level` (`fields.level: false`), same as
+// any other optional field.
+#let level-colors = (
+  (bg: rgb("#D9E8EE"), fg: rgb("#264653")),
+  (bg: rgb("#DCF6F3"), fg: rgb("#2a9d8f")),
+  (bg: rgb("#FAF2DD"), fg: rgb("#D19F1F")),
+  (bg: rgb("#FBE6E0"), fg: rgb("#E24E29")),
+  (bg: rgb("#F0E9F5"), fg: rgb("#9967B6")),
+)
+
+#let level-tag(q) = {
+  let level = q.at("level", default: none)
+  if level != none {
+    let idx = calc.max(1, calc.min(level, level-colors.len())) - 1
+    let colors = level-colors.at(idx)
+    let label = q.at("level-name", default: "Level " + str(level))
+    box(fill: colors.bg, radius: 3pt, inset: (x: 6pt, y: 3pt))[
+      #text(weight: "bold", size: 0.75em, fill: colors.fg)[#label]
+    ]
+  }
+}
+
 // ─────────────────────────────────────────────────────────────────────────────
 // The renderer
 // ─────────────────────────────────────────────────────────────────────────────
@@ -146,38 +172,44 @@
 
   // The number is the one recorded in the assessment record, not the position on
   // the page. Keep it that way: it is the join key to every grading export.
-  //
-  // Built in code rather than written as `*#q.number.*` because a field access
-  // followed by a literal period reads as the start of another field access.
   let number-label = str(q.number) + "."
 
-  block(above: 1.2em, below: 0.5em)[
-    *#number-label* #points-tag(q) #markup(q.stem)
-  ]
-
-  if q.at("multi-select", default: false) {
-    block(below: 0.4em)[
-      #text(size: 0.9em, style: "italic")[Select all that apply.]
+  block(breakable: false)[
+    #block(above: 1.2em, below: 0.3em)[
+      #grid(
+        columns: (1fr, auto),
+        align: (left + horizon, right + horizon),
+        [*#number-label* #points-tag(q)], level-tag(q),
+      )
     ]
-  }
+    #block(below: 1.5em)[#markup(q.stem)]
 
-  block(inset: (left: 1.2em))[
-    #for opt in q.at("options", default: ()) {
-      if show-bubbles {
-        grid(
-          columns: (1.6em, 1.4em, 1fr),
-          gutter: 0.2em,
-          align(horizon)[#bubble()], [#(opt.letter + ".")], [#markup(opt.text)],
-        )
-      } else {
-        grid(
-          columns: (1.4em, 1fr),
-          gutter: 0.2em,
-          [#(opt.letter + ".")], [#markup(opt.text)],
-        )
-      }
-      v(0.15em)
+    #if q.at("multi-select", default: false) {
+      block(below: 0.4em)[
+        #text(size: 0.9em, style: "italic")[Select all that apply.]
+      ]
     }
+
+    #block(inset: (left: 1.2em))[
+      #for opt in q.at("options", default: ()) {
+        if show-bubbles {
+          grid(
+            columns: (1.6em, 1.4em, 1fr),
+            gutter: 0.2em,
+            align(top)[#v(-bubble-radius / 2.1) #bubble()], [#(opt.letter + ".")], [#markup(opt.text)],
+          )
+        } else {
+          grid(
+            columns: (1.4em, 1fr),
+            gutter: 0.2em,
+            [#(opt.letter + ".")], [#markup(opt.text)],
+          )
+        }
+        v(0.15em)
+      }
+    ]
+
+    #if scratch-space > 0pt { v(scratch-space) }
   ]
 
   if page-per-item { pagebreak(weak: true) }
@@ -187,43 +219,95 @@
 // The page
 // ─────────────────────────────────────────────────────────────────────────────
 
+#set page(paper: paper, margin: 2cm)
+#set text(font: body-font, size: body-size, lang: "en")
+#set par(justify: false, leading: 0.7em)
+
+// ── Cover page: no header or footer, so it reads as its own sheet. ──
+#set page(header: none, footer: none)
+
+#v(4em)
 #align(center)[
-  #text(size: 1.4em, weight: "bold", fill: accent)[#cb-meta.assessment.title]\
-  #text(size: 0.95em)[
-    #cb-meta.course.code — #cb-meta.course.title · #cb-meta.assessment.term
+  #text(weight: "bold", size: 18pt, fill: accent)[
+    #cb-meta.course.code — #cb-meta.course.title
   ]\
-  #text(size: 0.9em)[
+  #text(size: 16pt)[#cb-meta.assessment.title#form-note]\
+  #text(size: 14pt)[
     #cb-meta.assessment.at("date", default: "")
     #{
       let m = cb-meta.assessment.at("minutes-allowed", default: none)
       if m != none { " · " + str(int(calc.round(m))) + " minutes" }
     }
-    #{
-      let p = cb-meta.totals.at("points", default: none)
-      if p != none { " · " + fmt-points(p) }
-    }
-  ]
+  ]\
+  #{
+    let p = cb-meta.totals.at("points", default: none)
+    if p != none { text(size: 12pt)[#fmt-points(p)] }
+  }
 ]
 
-#if show-name-block {
-  block(above: 1em, below: 1.5em)[
-    #grid(
-      columns: (auto, 1fr, auto, 1fr),
-      gutter: 0.6em,
-      [*Name*], box(width: 100%, repeat[.]), [*Student ID*], box(width: 100%, repeat[.]),
-    )
-  ]
-}
+#v(1.5em)
 
 #{
   let instructions = cb-meta.assessment.at("instructions", default: none)
-  if instructions != none {
-    block(fill: luma(245), inset: 8pt, radius: 3pt, width: 100%)[
-      #markup(instructions)
-    ]
-  }
+  if instructions != none [
+    Please read the following instructions carefully before beginning your assessment.
+
+    #v(1em)
+
+    #markup(instructions)
+  ]
 }
 
+#if show-name-block [
+  #v(1.5em)
+
+  I agree to follow the above instructions. I affirm that all work on this
+  assessment will be my own and that I will not give or receive any
+  unauthorized assistance. To have your assessment graded, you must write your
+  name, sign, and provide your student ID below.
+
+  #v(1em)
+
+  #grid(
+    columns: (50%, 50%),
+    rows: 6em,
+    [
+      #v(1em)
+      #line(length: 18em)
+
+      *Name*
+    ],
+    [
+      #v(1em)
+      #line(length: 18em)
+
+      *Signature*
+    ],
+  )
+
+  #line(length: 8em)
+
+  *Student ID*
+]
+
+#pagebreak()
+// Intentionally blank. Pull this sheet and the cover above as one unit if you
+// need the cover gone — nothing on the back of either one is a question.
+#pagebreak()
+
+// ── The exam itself: header and footer turn on here. ──
+#set page(
+  header: text(size: 0.85em)[
+    #cb-meta.course.code · #cb-meta.assessment.title#form-note
+  ],
+  footer: context text(size: 0.85em)[
+    Page #counter(page).display("1 of 1", both: true)
+  ],
+)
+// Restart the printed page count here too, so the footer reads "Page 1 of N"
+// for the exam itself rather than counting the cover and the blank page.
+#counter(page).update(1)
+
 // coursebank:begin questions
 #render-question((
   number: 1,