/* Matematyka ósmoklasisty: Quiz Engine styles
 * Reużywany w każdym module ćwiczeń.
 * Używa CSS variables z głównego szkieletu (--bg, --surface, --ink, itp.)
 */

/* ============ Quiz card container ============ */
.quiz-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  animation: fadeInUp .4s var(--ease-out);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

/* ============ Progress bar ============ */
.quiz-progress {
  margin-bottom: 18px;
}
.quiz-progress-bar {
  height: 4px;
  background: var(--surface-2);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 10px;
}
.quiz-progress-bar span {
  display: block;
  height: 100%;
  background: var(--primary);
  border-radius: 2px;
  transition: width .3s var(--ease-out);
}
.quiz-progress-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.quiz-idx {
  color: var(--ink);
  font-weight: 600;
}
.quiz-diff {
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 600;
}
.quiz-diff-1 { background: rgba(34, 197, 94, 0.15); color: #4ADE80; }
.quiz-diff-2 { background: rgba(244, 183, 64, 0.15); color: var(--gold); }
.quiz-diff-3 { background: rgba(244, 63, 94, 0.15); color: #FB7185; }
.quiz-cat {
  color: var(--ink-muted);
  margin-left: auto;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============ Question ============ */
.quiz-question {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.55;
  margin-bottom: 18px;
  color: var(--ink);
}
.quiz-question p {
  margin: 0 0 10px;
}
.quiz-question p:last-child {
  margin-bottom: 0;
}

/* ============ Figure (geom-widget) ============
 * Slot dla SVG generowanego przez window.matma.geom.create() z pola task.figure.
 * Używane w bankach geom-plaska, geom-przestrzenna i niektórych zadaniach tekstowych.
 */
.quiz-figure {
  margin: 4px 0 18px;
  display: flex;
  justify-content: center;
}
.quiz-figure:empty { display: none; }
.quiz-figure svg {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ============ Options (buttons) ============
 * Reużywa klasę .answer z głównego szkieletu dla spójnego wyglądu +
 * auto-hook engage v3 (dźwięk/anim/XP).
 */
.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.quiz-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 14px 16px;
  background: var(--surface-2);
  border: 2px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  line-height: 1.5;
  transition: all .2s var(--ease);
}
.quiz-option:hover:not(:disabled):not(.correct):not(.wrong) {
  border-color: var(--line-strong);
  background: var(--surface);
}
.quiz-option:active:not(:disabled) {
  transform: scale(.99);
}
.quiz-option.correct {
  border-color: var(--correct);
  background: rgba(34, 197, 94, 0.10);
}
.quiz-option.wrong {
  border-color: var(--wrong);
  background: rgba(244, 63, 94, 0.10);
}
.quiz-option:disabled {
  cursor: not-allowed;
  opacity: 0.85;
}
.quiz-option-letter {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}
.quiz-option.correct .quiz-option-letter {
  background: var(--correct);
  border-color: var(--correct);
  color: var(--bg);
}
.quiz-option.wrong .quiz-option-letter {
  background: var(--wrong);
  border-color: var(--wrong);
  color: #fff;
}
.quiz-option-text {
  flex: 1;
  min-width: 0;
}

/* ============ Feedback panel ============ */
.quiz-feedback {
  margin-top: 18px;
  padding: 16px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  animation: fadeInUp .3s var(--ease-out);
}
.quiz-feedback-verdict {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}
.quiz-feedback-verdict.correct { color: var(--correct); }
.quiz-feedback-verdict.wrong { color: var(--wrong); }
.quiz-feedback-explanation {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-dim);
  margin-bottom: 14px;
}
.quiz-feedback-explanation p {
  margin: 0 0 8px;
}

/* ============ Next/Actions ============ */
.quiz-next,
.quiz-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: var(--ink);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s var(--ease);
}
.quiz-next:hover,
.quiz-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.quiz-next:active,
.quiz-btn:active {
  transform: scale(.98);
}
.quiz-btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--bg);
}
.quiz-btn-primary:hover {
  background: #1D4ED8;
  border-color: #1D4ED8;
  color: var(--bg);
}

/* ============ Complete screen ============ */
.quiz-complete {
  text-align: center;
  padding: 32px 20px;
  animation: fadeInUp .5s var(--ease-out);
}
.quiz-complete-icon {
  font-size: 56px;
  margin-bottom: 12px;
  line-height: 1;
}
.quiz-complete-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.quiz-complete-score {
  font-family: 'JetBrains Mono', monospace;
  font-size: 44px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
}
.quiz-complete-pct {
  font-size: 14px;
  color: var(--ink-dim);
  margin-bottom: 28px;
}
.quiz-complete-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============ Category picker ============ */
.cat-picker {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 22px;
}
.cat-btn {
  padding: 14px 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  line-height: 1.35;
  transition: all .2s var(--ease);
}
.cat-btn:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
}
.cat-btn[aria-pressed="true"] {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--bg);
}
.cat-btn-label {
  display: block;
  margin-bottom: 4px;
}
.cat-btn-count {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  text-transform: uppercase;
  font-weight: 500;
}
.cat-btn[aria-pressed="true"] .cat-btn-count {
  color: rgba(255,255,255,0.75);
}

/* ============ Settings row (ilość zadań, trudność) ============ */
.quiz-setup {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 18px;
}
.quiz-setup h3 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.quiz-setup p {
  font-size: 13px;
  color: var(--ink-dim);
  line-height: 1.5;
  margin-bottom: 16px;
}
.quiz-setup-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.quiz-setup-row:last-child { margin-bottom: 0; }
.quiz-chip {
  padding: 8px 14px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 20px;
  color: var(--ink-dim);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s var(--ease);
}
.quiz-chip:hover {
  border-color: var(--line-strong);
  color: var(--ink);
}
.quiz-chip[aria-pressed="true"] {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--bg);
}
.quiz-setup-label {
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 6px;
  display: block;
}

.quiz-start-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 16px;
  background: var(--primary);
  border: none;
  border-radius: 12px;
  color: var(--bg);
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: all .2s var(--ease);
  margin-top: 6px;
}
.quiz-start-btn:hover {
  background: #1D4ED8;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -8px var(--primary);
}
.quiz-start-btn:active { transform: none; }
.quiz-start-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ============ Stats / session header ============ */
.session-stats {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
}
.session-stat {
  flex: 1;
  text-align: center;
}
.session-stat-value {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 2px;
}
.session-stat-label {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* ===========================================================================
 * QUIZ ENGINE v0.2: Safe Error Handling, Hint Ladder, Review Queue
 * =========================================================================== */

/* Pre-emptive normalization banner */
.quiz-normalize {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px; padding: 11px 14px;
  background: rgba(244, 183, 64, 0.08);
  border: 1px solid rgba(244, 183, 64, 0.22);
  border-radius: 12px;
  font-size: 13px; line-height: 1.5;
  color: var(--ink-dim, #9FAAB8);
  transition: opacity .35s ease, transform .35s ease;
}
.quiz-normalize-icon { font-size: 16px; flex-shrink: 0; }
.quiz-normalize-text { flex: 1; }
.quiz-normalize.quiz-normalize-fade {
  opacity: 0; transform: translateY(-8px);
}

/* Soft retry banner: pierwsza pomyłka */
.quiz-soft-retry {
  margin-top: 14px; padding: 12px 14px;
  background: rgba(244, 183, 64, 0.07);
  border: 1px solid rgba(244, 183, 64, 0.20);
  border-radius: 11px;
  font-size: 13.5px; line-height: 1.5;
  color: var(--gold, #F4B740);
  font-weight: 600;
  animation: quiz-soft-retry-in 0.32s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes quiz-soft-retry-in {
  from { opacity: 0; transform: translateY(-4px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

/* Soft wrong, bez czerwieni, tylko wyłączenie i lekkie zaciemnienie */
.quiz-option.quiz-option-soft-wrong {
  opacity: 0.5;
  border-color: var(--line, #202A38) !important;
  background: var(--surface, #131922) !important;
  cursor: not-allowed;
  filter: grayscale(0.4);
  transition: all 0.25s ease;
}
.quiz-option.quiz-option-soft-wrong .quiz-option-letter {
  background: var(--surface-2, #1B232F) !important;
  color: var(--ink-muted, #7F8B99) !important;
}

/* Faded, gdy końcowa odpowiedź pokazana, soft-wrong opcja blednie */
.quiz-option.quiz-option-faded {
  opacity: 0.32;
}

/* Verdict icons, zamiast tekstowego ✓ / ✗ */
.quiz-feedback-verdict {
  display: flex; align-items: center; gap: 9px;
  font-weight: 700; font-size: 16px;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.quiz-feedback-verdict.correct { color: var(--green, #4AC68A); }
.quiz-feedback-verdict.wrong { color: var(--gold, #F4B740); }
.quiz-feedback-verdict.wrong .quiz-verdict-icon { color: var(--gold, #F4B740); }
.quiz-verdict-icon { flex-shrink: 0; }

/* Review queue badge: minimalistyczny */
.quiz-review-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 8px;
  background: rgba(70, 132, 255, 0.10);
  border: 1px solid rgba(70, 132, 255, 0.25);
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--primary, #4684FF);
  text-transform: lowercase;
}

/* Quiz complete: review note */
.quiz-complete-review-note {
  margin: 10px auto 0; padding: 11px 14px;
  max-width: 380px;
  background: rgba(70, 132, 255, 0.07);
  border: 1px solid rgba(70, 132, 255, 0.20);
  border-radius: 11px;
  font-size: 13px; line-height: 1.5;
  color: var(--ink-dim, #9FAAB8);
}

@media (prefers-reduced-motion: reduce) {
  .quiz-soft-retry, .quiz-normalize {
    animation: none !important; transition: none !important;
  }
}