/* ============================================================
   quiz.css — Quiz panel, inline in the side column
   ============================================================ */

.quiz-panel {
  display: none;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--surface);
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.25rem;
  /* Subtle glow to draw attention */
  box-shadow: 0 0 20px rgba(86, 199, 255, 0.15);
  animation: quizSlideIn 0.2s ease;
}

.quiz-panel.active {
  display: flex;
}

@keyframes quizSlideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.quiz-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.6rem;
}

.quiz-icon {
  font-size: 1.2rem;
}

.quiz-header h3 {
  font-size: 1rem;
  color: var(--accent);
  font-weight: 700;
}

.quiz-question {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text);
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 0.65rem 0.9rem;
  border-left: 3px solid var(--accent);
}

.quiz-textarea {
  font-size: 0.9rem;
  min-height: 90px;
}

/* Verdict */
.quiz-verdict {
  font-size: 0.9rem;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius);
  min-height: 1rem;
  transition: background 0.2s, border-color 0.2s;
}

.quiz-verdict.streaming {
  background: var(--surface-2);
  color: var(--text-muted);
}

.quiz-verdict.correct {
  background: rgba(76, 175, 80, 0.1);
  border: 1px solid rgba(76, 175, 80, 0.4);
  color: var(--text);
}

.quiz-verdict.partial {
  background: rgba(255, 152, 0, 0.1);
  border: 1px solid rgba(255, 152, 0, 0.4);
  color: var(--text);
}

.quiz-verdict.wrong {
  background: rgba(244, 67, 54, 0.1);
  border: 1px solid rgba(244, 67, 54, 0.4);
  color: var(--text);
}

/* Category badge — shown in auto-explain mode */
.quiz-category-tag {
  display: inline-block;
  padding: 0.22rem 0.7rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Tactical errors: missed tactics, hanging piece, free material, calculation */
.category-tactical {
  background: rgba(231, 76, 60, 0.12);
  border: 1px solid rgba(231, 76, 60, 0.45);
  color: #e74c3c;
}

/* Strategic errors: king safety, endgame technique */
.category-strategic {
  background: rgba(155, 89, 182, 0.12);
  border: 1px solid rgba(155, 89, 182, 0.45);
  color: #9b59b6;
}

/* Positional errors: development, piece activity, pawn structure, center control */
.category-positional {
  background: rgba(52, 152, 219, 0.12);
  border: 1px solid rgba(52, 152, 219, 0.45);
  color: #3498db;
}

/* Piece/square references in auto-explain text */
.sq-ref {
  font-weight: 700;
  border-radius: 3px;
  padding: 0 2px;
  cursor: default;
}

/* Post-verdict action buttons */
.quiz-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.quiz-actions button {
  flex: 1;
  min-width: 110px;
  font-size: 0.85rem;
}

/* Follow-up question section */
.quiz-followup-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin-top: 0.25rem;
}

.quiz-followup-row {
  display: flex;
  gap: 0.5rem;
}

.quiz-followup-input {
  flex: 1;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.88rem;
  font-family: inherit;
}

.quiz-followup-input:focus {
  outline: none;
  border-color: var(--accent);
}

.quiz-followup-section .secondary-btn {
  white-space: nowrap;
}