/* DCC Knowledge Check — pre/post quiz styles
   Used on module pages retrofitted with before/after quizzes.
   Outcome reporting for AI for All + NHSP grant compliance. */

.dcc-quiz-container {
  margin: 2rem 0;
}

.dcc-quiz {
  background: var(--color-surface, #fff);
  border: 2px solid var(--color-primary, #2A7B6F);
  border-radius: 16px;
  padding: 1.75rem 1.5rem;
  /* explicit dark-mode overrides below handle Android system dark mode — color-scheme removed */
}

.dcc-quiz-header { margin-bottom: 1.25rem; }
.dcc-quiz-title  { font-size: 1.2rem; font-weight: 700; color: var(--color-primary, #2A7B6F); margin-bottom: 0.35rem; }
.dcc-quiz-sub    { font-size: 0.9rem; color: var(--color-text-light, #7A6E62); }

/* Questions */
.dcc-quiz-question {
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-divider, #e0e0e0);
}
.dcc-quiz-question:last-of-type { border-bottom: none; }

.dcc-quiz-qtext {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 0.65rem;
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
}
.dcc-quiz-qnum {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  background: var(--color-primary, #2A7B6F);
  color: #fff;
  border-radius: 50%;
  font-size: 0.78rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.dcc-quiz-options { display: flex; flex-direction: column; gap: 0.4rem; }

.dcc-quiz-opt {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.12s;
  font-size: 0.9rem;
}
.dcc-quiz-opt:hover { background: var(--color-surface-alt, #FFF0E0); }
.dcc-quiz-opt input[type="radio"] {
  width: 18px; height: 18px; flex-shrink: 0;
  accent-color: var(--color-primary, #2A7B6F);
  cursor: pointer;
}
.dcc-quiz-opt input[type="radio"]:checked + .dcc-quiz-opt-text {
  font-weight: 600;
  color: var(--color-primary, #2A7B6F);
}

/* Confidence slider */
.dcc-quiz-confidence {
  margin: 1.25rem 0;
  padding: 1rem 1.25rem;
  background: var(--color-surface-alt, #FFF0E0);
  border-radius: 10px;
}
.dcc-quiz-conf-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}
.dcc-quiz-conf-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.dcc-conf-slider {
  flex: 1;
  accent-color: var(--color-primary, #2A7B6F);
  cursor: pointer;
  height: 6px;
}
.dcc-conf-min, .dcc-conf-max { font-size: 0.78rem; color: var(--color-text-light, #7A6E62); white-space: nowrap; }
.dcc-conf-value { font-size: 0.82rem; font-weight: 700; color: var(--color-primary, #2A7B6F); margin-top: 0.35rem; text-align: center; }

/* Surprise textarea */
.dcc-quiz-surprise { margin: 1rem 0; }
.dcc-quiz-surprise-label { display: block; font-size: 0.88rem; font-weight: 600; margin-bottom: 0.4rem; }
.dcc-quiz-surprise-input {
  width: 100%;
  font-family: inherit;
  font-size: 0.88rem;
  border: 1px solid var(--color-primary, #2A7B6F);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  resize: vertical;
  min-height: 60px;
  color: var(--color-text, #3D3229);
  background: var(--color-surface, #fff);
}
.dcc-quiz-surprise-input:focus { outline: 2px solid rgba(42,123,111,0.35); outline-offset: 1px; }

/* Submit button */
.dcc-quiz-submit {
  margin-top: 1rem;
  padding: 0.7rem 2rem;
  border-radius: 50px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  background: var(--color-primary, #2A7B6F);
  color: #fff;
  transition: background 0.15s;
}
.dcc-quiz-submit:hover { background: #1e5e55; }

/* Result / done state */
.dcc-quiz-result.hidden { display: none; }
.dcc-quiz-done {
  text-align: center;
  padding: 1.25rem;
}
.dcc-quiz-done-icon { font-size: 2.5rem; display: block; margin-bottom: 0.6rem; }
.dcc-quiz-done p { font-size: 0.95rem; line-height: 1.55; margin-bottom: 0.4rem; }
.dcc-quiz-delta {
  font-size: 0.88rem;
  background: var(--color-surface-alt, #FFF0E0);
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
  display: inline-block;
  margin: 0.4rem 0;
}

@media (max-width: 520px) {
  .dcc-quiz { padding: 1.25rem 1rem; }
  .dcc-quiz-conf-row { flex-wrap: wrap; }
  .dcc-conf-slider { width: 100%; }
}

@media print {
  .dcc-quiz-container { display: none; }
}

/* ── Dark mode: explicit overrides so Android system dark mode cannot invert quiz colours ──
   color-scheme: light on .dcc-quiz should handle most cases, but some Android browsers
   partially honour it. These declarations make quiz text and controls readable in all cases. */
@media (prefers-color-scheme: dark) {
  .dcc-quiz {
    background: #ffffff;
    border-color: #2A7B6F;
    color: #1a1a1a;
  }
  .dcc-quiz-title  { color: #2A7B6F; }
  .dcc-quiz-sub    { color: #555555; }
  .dcc-quiz-question { border-bottom-color: #dddddd; }
  .dcc-quiz-qtext  { color: #1a1a1a; }
  .dcc-quiz-qnum   { background: #2A7B6F; color: #ffffff; }
  .dcc-quiz-opt    { color: #1a1a1a; background: transparent; }
  .dcc-quiz-opt:hover { background: #FFF0E0; }
  .dcc-quiz-opt input[type="radio"]:checked + .dcc-quiz-opt-text {
    color: #2A7B6F;
  }
  .dcc-quiz-confidence { background: #FFF0E0; }
  .dcc-quiz-conf-label { color: #1a1a1a; }
  .dcc-conf-min, .dcc-conf-max { color: #555555; }
  .dcc-conf-value  { color: #2A7B6F; }
  .dcc-quiz-surprise-label { color: #1a1a1a; }
  .dcc-quiz-surprise-input {
    background: #ffffff;
    color: #1a1a1a;
    border-color: #2A7B6F;
  }
  .dcc-quiz-submit { background: #2A7B6F; color: #ffffff; }
  .dcc-quiz-submit:hover { background: #1e5e55; }
  .dcc-quiz-done p { color: #1a1a1a; }
  .dcc-quiz-delta  { background: #FFF0E0; color: #1a1a1a; }
}