questions.css

$callout-color-warning: #ff86e0;

/*-- scss:rules --*/
.questions {
  margin: 1em 0;
  border: 2px solid gray;
  border-left: 10px solid #fc93e8; 
  border-radius: 10px;
}


.questions-header {
  margin-left: 0em;
  padding-left:  60px;
  padding-top:  5px;
  padding-bottom: 0.1em;
  color: black;
  background-color: #ff86e0;
  border-top-right-radius: 10px;
  font-size: 1em;
  font-weight: bold;
  background-size: 40px;
  background-repeat: no-repeat;
  background-position: 15px center;
}


.questions-container {
  padding-top: 5px;
  padding-left: 10px;
  color: black;
  background-color: white;
  border-bottom-right-radius: 10px;
}


/* Callout Types */

div.callout-warning {
  border-left-color: #fc93e8 !important;
}

div.callout-warning .callout-icon::before {
}

div.callout-warning.callout-style-default .callout-title {
  background-color: #ff86e0
}


/* ============================================================
   Exercise component (used in A2-MachineLearningTasks for now)
   Works on both the light (cosmo) and dark (darkly) themes:
   colours are semi-transparent and body text is inherited,
   never forced to black.
   ============================================================ */

/* When a page uses margin captions/notes, Quarto turns the page into a
   CSS grid. Custom divs it doesn't know about would otherwise stretch
   across the whole grid (body + margins), so pin our cards to the body
   column. Harmless when the grid is not active. */
.page-columns .exercise,
.page-columns .quiz {
  grid-column: body-content-start / body-content-end;
}

/* ---- course palette --------------------------------------------------
   exercise = purple, self-check quiz = teal, hint = coral.
   All values are palette stops with semi-transparent tints so they read
   on both the light (cosmo) and dark (darkly) themes. Tweak here once and
   every card updates. */
:root {
  --ex-accent:    #534AB7;            /* purple 600 */
  --ex-bg:        rgba(83, 74, 183, 0.06);
  --ex-border:    rgba(83, 74, 183, 0.32);
  --ex-badge-txt: #EEEDFE;            /* purple 50  */

  --quiz-accent:    #0F6E56;          /* teal 600 */
  --quiz-bg:        rgba(15, 110, 86, 0.06);
  --quiz-border:    rgba(15, 110, 86, 0.32);
  --quiz-badge-txt: #E1F5EE;          /* teal 50  */

  --hint-accent: #D85A30;             /* coral 400 — legible in both modes */
  --hint-bg:     rgba(216, 90, 48, 0.09);
}

/* shared card structure */
.exercise, .quiz {
  position: relative;
  margin: 1.8em 0;
  padding: 1.7em 1.3em 1.1em 1.3em;
  border: 1px solid;
  border-radius: 12px;
}

.exercise { background-color: var(--ex-bg);   border-color: var(--ex-border); }
.quiz     { background-color: var(--quiz-bg); border-color: var(--quiz-border); }

/* badge sitting on the top-left border */
.exercise::before, .quiz::before {
  position: absolute;
  top: -0.85em;
  left: 1em;
  padding: 0.3em 0.85em;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  border-radius: 7px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.18);
}

.exercise::before { content: "✎  EXERCISE";     background-color: var(--ex-accent);   color: var(--ex-badge-txt); }
.quiz::before     { content: "✓  TEST YOURSELF"; background-color: var(--quiz-accent); color: var(--quiz-badge-txt); }

.exercise > :first-child, .quiz > :first-child { margin-top: 0; }

.exercise > h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.15em;
}

/* small "difficulty / time" line under the title */
.exercise-meta {
  display: inline-block;
  margin-bottom: 0.9em;
  font-size: 0.8rem;
  opacity: 0.7;
}

/* nested hint (callout-tip) → coral, distinct from the purple card.
   The title keeps the theme's text colour so it stays legible in dark mode. */
.exercise div.callout-tip,
.quiz div.callout-tip {
  border-left-color: var(--hint-accent) !important;
  background-color: var(--hint-bg);
}

/* reveal-solution button picks up the card's own accent */
.exercise .webex-solution > button,
.quiz .webex-solution > button {
  cursor: pointer;
  height: 2em;          /* match the fixed height of the collapsed solution box */
  line-height: 2em;     /* vertically centre the label */
  padding: 0 1.1em;     /* horizontal padding only, so the button is not clipped */
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid;
  border-radius: 8px;
  transition: background-color 0.15s ease, transform 0.05s ease;
}

.exercise .webex-solution > button {
  color: var(--ex-accent);
  background-color: rgba(83, 74, 183, 0.08);
  border-color: var(--ex-border);
}
.quiz .webex-solution > button {
  color: var(--quiz-accent);
  background-color: rgba(15, 110, 86, 0.08);
  border-color: var(--quiz-border);
}

.exercise .webex-solution > button:hover { background-color: rgba(83, 74, 183, 0.16); }
.quiz .webex-solution > button:hover     { background-color: rgba(15, 110, 86, 0.16); }

.exercise .webex-solution > button:active,
.quiz .webex-solution > button:active { transform: translateY(1px); }

/* self-check "check answers" button inside the quiz card */
.quiz .webex-check-button {
  margin-top: 0.6em;
}