/* Project-specific overrides on top of the "denver" theme. */

/* Box figures (image + caption together) to visually separate them from
   the surrounding running text, matching the bordered-block look the
   theme already uses for theorem/definition/remark/example. */
figure.figure-like:not(.knowl__content, .born-hidden-knowl) {
  border: 1px solid #b7c2d6;
  /* !important: some figures (e.g. ones whose caption links out, like a
     video source) get a background from the theme with higher priority
     than a plain selector here can match; this keeps the box uniform
     for every figure regardless. */
  background-color: #f4f6fa !important;
  border-radius: 6px;
  padding: 1em;
}

/* Homework exercises meant for assessed hand-in: id starts with "ex-hw-". */
.exercise-like[id^="ex-hw-"] {
  background-color: #fff3cd;
  border: 1px solid #e8c874;
  border-radius: 6px;
  padding: 1em;
}

/* All other exercises inside a worksheet/exercises division: normal styling. */
.exercises .exercise-like:not([id^="ex-hw-"]),
.worksheet .exercise-like:not([id^="ex-hw-"]) {
  background-color: #e3f2fd;
  border: 1px solid #a8cdea;
  border-radius: 6px;
  padding: 1em;
}

/* This one remark should read as "Remark Solutions and feedback." with no
   number, since PreTeXt has no per-instance "unnumbered" option for
   remark-like blocks (the counter is baked into the shared box template). */
#remark-solutions-feedback .codenumber {
  display: none;
}

/* Solutions appendix: make the exercise heading's link back to the
   original question visible. PreTeXt already links each exercise
   number/title in the solutions to the exercise in the chapter. */
section.solutions > .exercise-like > .heading > a::after,
section.solutions .exercisegroup-exercises > .exercise-like > .heading > a::after {
  content: "↩ Back to question";
  margin-left: 0.75em;
  font-size: 0.8em;
  font-weight: normal;
  padding: 0.1em 0.5em;
  border: 1px solid #a8cdea;
  border-radius: 4px;
  background-color: #e3f2fd;
  white-space: nowrap;
}