/* ==============================================================
   QuizMaster — Dedicated Interactive Quiz Arena Styles
   ============================================================== */

.quiz-arena-wrap {
  width: 100%;
  max-width: 860px;
  margin: 0 auto 40px;
}

/* Common Card Panel */
.arena-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-md);
  margin-bottom: 32px;
  position: relative;
  transition: all var(--transition-normal);
}

@media (max-width: 640px) {
  .arena-card {
    padding: 24px 18px;
    border-radius: var(--radius-lg);
  }
}

/* 1. Setup Card */
.setup-header {
  text-align: center;
  margin-bottom: 28px;
}

.setup-category-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.setup-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.5vw, 2.3rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 12px;
}

.setup-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
}

.setup-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

@media (max-width: 640px) {
  .setup-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.setup-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.setup-field label {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.setup-select {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background-color: var(--bg-card);
  color: var(--text-main);
  font-size: 0.95rem;
  font-family: var(--font-body);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.setup-select:focus {
  border-color: var(--border-focus);
}

.setup-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.setup-actions .btn-primary {
  width: 100%;
  max-width: 380px;
  font-size: 1.1rem;
  padding: 16px 28px;
}

.setup-badges-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

/* 2. Active Play Screen */
.quiz-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  font-weight: 700;
  font-size: 0.95rem;
  gap: 12px;
}

.progress-text {
  color: var(--text-muted);
}

.streak-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  background-color: var(--accent-light);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
}

.progress-track {
  width: 100%;
  height: 8px;
  background-color: var(--border);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 24px;
}

.progress-fill {
  height: 100%;
  background: var(--primary-gradient);
  width: 0%;
  transition: width 0.3s ease;
  border-radius: var(--radius-full);
}

.question-prompt-box {
  margin-bottom: 24px;
}

.question-text {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-main);
  margin-bottom: 12px;
}

.question-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-toolbar {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 5px 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
  touch-action: manipulation;
}

.btn-toolbar:hover {
  background-color: var(--bg-card-hover);
  color: var(--primary);
  border-color: var(--primary);
}

.hint-box {
  background-color: var(--info-bg);
  border-left: 4px solid var(--info);
  padding: 12px 16px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.92rem;
  color: var(--text-main);
  margin-bottom: 20px;
  display: none;
  animation: fadeIn 0.2s ease;
}

.hint-box.active {
  display: block;
}

/* Options Grid */
.options-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.option-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  background-color: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-main);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
  position: relative;
  touch-action: manipulation;
}

.option-btn:hover:not(:disabled) {
  border-color: var(--primary);
  background-color: var(--bg-card-hover);
  transform: translateX(3px);
}

.option-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.option-text {
  flex: 1;
  line-height: 1.4;
}

.option-key-badge {
  font-size: 0.72rem;
  color: var(--text-light);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  display: inline-block;
  opacity: 0.7;
}

/* Correct and Wrong Answer States */
.option-btn.correct {
  background-color: var(--success-bg) !important;
  border-color: var(--success) !important;
  color: #065f46;
  font-weight: 600;
}

.option-btn.correct .option-letter {
  background-color: var(--success);
  color: #ffffff;
  border-color: var(--success);
}

.option-btn.wrong {
  background-color: var(--danger-bg) !important;
  border-color: var(--danger) !important;
  color: #991b1b;
  font-weight: 600;
  animation: shake 0.3s ease;
}

.option-btn.wrong .option-letter {
  background-color: var(--danger);
  color: #ffffff;
  border-color: var(--danger);
}

.option-btn:disabled {
  cursor: default;
}

/* Feedback Box (Revealed upon selection) */
.feedback-box {
  padding: 18px 22px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  animation: fadeIn 0.25s ease;
  display: none;
}

.feedback-box.correct {
  display: block;
  background-color: var(--success-bg);
  border-left: 4px solid var(--success);
}

.feedback-box.wrong {
  display: block;
  background-color: var(--danger-bg);
  border-left: 4px solid var(--danger);
}

.feedback-title {
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.feedback-box.correct .feedback-title { color: var(--success); }
.feedback-box.wrong .feedback-title { color: var(--danger); }

.feedback-text {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text-main);
}

/* Action Controls Row */
.arena-actions-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.arena-actions-row .btn-primary {
  min-width: 180px;
}

/* 3. Results Screen */
.results-header {
  text-align: center;
  margin-bottom: 32px;
}

.score-circle-wrap {
  width: 140px;
  height: 140px;
  margin: 0 auto 20px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: conic-gradient(var(--primary) calc(var(--percent, 0) * 1%), var(--border) 0);
  box-shadow: 0 4px 18px rgba(16, 111, 82, 0.15);
}

.score-circle-inner {
  width: 114px;
  height: 114px;
  background-color: var(--bg-card);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.score-percent-val {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  color: var(--text-main);
}

.score-percent-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-top: 2px;
}

.results-praise-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.results-praise-msg {
  font-size: 1rem;
  color: var(--text-muted);
}

/* Results Metrics Grid */
.results-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 32px;
}

@media (max-width: 640px) {
  .results-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.metric-card {
  background-color: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
}

.metric-num {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 4px;
}

.metric-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.results-buttons-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}

/* Detailed Mistake Review Accordion */
.mistakes-review-wrap {
  border-top: 1px solid var(--border);
  padding-top: 28px;
}

.mistakes-review-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.review-item-card {
  background-color: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  margin-bottom: 14px;
}

.review-item-q {
  font-weight: 700;
  font-size: 0.98rem;
  margin-bottom: 10px;
}

.review-answer-line {
  font-size: 0.88rem;
  margin-bottom: 4px;
}

.review-explanation {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
}

/* FAQ Accordion */
.faq-wrap {
  margin-top: 36px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  background-color: var(--bg-card);
}

.faq-trigger {
  width: 100%;
  padding: 16px 20px;
  background: none;
  border: none;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  touch-action: manipulation;
}

.faq-body {
  padding: 0 20px 16px;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: none;
}

.faq-item.active .faq-body {
  display: block;
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
}

.faq-chevron {
  transition: transform var(--transition-fast);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}