/* Quiz Interface Stylesheet */

.quiz-view {
  max-width: 960px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  flex-grow: 1;
}

/* Header & Progress */
.quiz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.btn-back-dashboard {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.btn-back-dashboard:hover {
  background-color: var(--border-color);
  color: var(--text-main);
}

.progress-wrapper {
  flex-grow: 1;
  background-color: var(--border-color);
  height: 12px;
  border-radius: var(--radius-pill);
  overflow: hidden;
  position: relative;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, #FFB74D 100%);
  width: 0%;
  border-radius: var(--radius-pill);
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.quiz-score-badge {
  font-weight: 700;
  font-size: 0.9rem;
  background-color: var(--primary-light);
  color: var(--primary);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
}

/* Quiz Split Layout */
.quiz-body {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 2rem;
  align-items: start;
}

/* Left: Simba Column */
.simba-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  position: sticky;
  top: 2rem;
}

.simba-avatar-container {
  width: 180px;
  height: 180px;
  position: relative;
}

.simba-speech-bubble {
  background-color: white;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  position: relative;
  width: 100%;
  box-shadow: var(--shadow-sm);
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.45;
  color: var(--text-main);
  transition: var(--transition);
}

/* Mũi tên chĩa của bóng hội thoại hướng xuống dưới */
.simba-speech-bubble::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 10px 10px 0;
  border-style: solid;
  border-color: white transparent;
  display: block;
  width: 0;
  z-index: 10;
}

.simba-speech-bubble::before {
  content: '';
  position: absolute;
  bottom: -13px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 11px 11px 0;
  border-style: solid;
  border-color: var(--border-color) transparent;
  display: block;
  width: 0;
  z-index: 9;
}

/* Right: Question & Interactive Column */
.interactive-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.question-card {
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.question-context {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  background-color: var(--bg-page);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary);
}

.question-prompt {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

/* Options Layout */
.options-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.option-btn {
  background-color: white;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.5rem;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.option-btn:hover:not(.disabled) {
  border-color: var(--primary);
  background-color: rgba(255, 107, 0, 0.01);
}

.option-btn.selected {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.option-marker {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: var(--transition);
}

.option-btn:hover .option-marker {
  border-color: var(--primary);
  color: var(--primary);
}

.option-btn.selected .option-marker {
  background-color: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* Đúng/Sai States */
.option-btn.correct {
  border-color: var(--success);
  background-color: var(--success-bg);
  color: #065F46;
}

.option-btn.correct .option-marker {
  background-color: var(--success);
  border-color: var(--success);
  color: white;
}

.option-btn.incorrect {
  border-color: var(--error);
  background-color: var(--error-bg);
  color: #991B1B;
}

.option-btn.incorrect .option-marker {
  background-color: var(--error);
  border-color: var(--error);
  color: white;
}

/* Hints Widget */
.hints-box {
  background-color: var(--warning-bg);
  border: 1px dashed var(--warning);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  animation: fadeIn 0.3s ease;
}

.hints-header {
  font-weight: 700;
  color: #92400E;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.hints-content {
  font-size: 0.9rem;
  color: #92400E;
  line-height: 1.4;
}

/* Action Footer */
.quiz-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
}

.btn-hint {
  background-color: transparent;
  border: 2px solid var(--warning);
  color: #B45309;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-hint:hover:not(:disabled) {
  background-color: var(--warning-bg);
}

.btn-hint:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-action {
  background-color: var(--primary);
  color: white;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.btn-action:hover:not(:disabled) {
  background-color: var(--primary-hover);
  box-shadow: var(--shadow-md);
}

.btn-action:disabled {
  background-color: var(--border-color);
  color: var(--text-muted);
  cursor: not-allowed;
}

/* Explanation Section */
.explanation-box {
  background-color: rgba(16, 185, 129, 0.08);
  border: 1px solid var(--success);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-top: 1rem;
  animation: slideDown 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.explanation-title {
  font-weight: 700;
  color: #065F46;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.explanation-text {
  font-size: 0.95rem;
  color: #065F46;
  line-height: 1.5;
}

/* Celebration Modal */
.celebration-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.4s ease;
}

.celebration-modal {
  background-color: white;
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 520px;
  padding: 2.5rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: scaleUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.celebration-simba {
  width: 140px;
  height: 140px;
}

.celebration-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
}

.celebration-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  width: 100%;
  margin: 0.5rem 0;
}

.stat-box {
  background-color: var(--bg-page);
  border: 1px solid var(--border-color);
  padding: 1rem;
  border-radius: var(--radius-md);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 0.25rem;
}

.btn-complete {
  background-color: var(--success);
  color: white;
  border: none;
  padding: 0.85rem 2.5rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
}

.btn-complete:hover {
  background-color: #059669;
  transform: translateY(-2px);
}

/* CSS Keyframes */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleUp {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes slideDown {
  from { transform: translateY(-10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
  .quiz-body {
    grid-template-columns: 1fr;
  }
  .simba-column {
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 1rem;
  }
  .simba-avatar-container {
    width: 80px;
    height: 80px;
  }
  .simba-speech-bubble {
    flex-grow: 1;
  }
  .simba-speech-bubble::after {
    bottom: auto;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 10px 10px 10px 0;
    border-color: transparent white;
  }
  .simba-speech-bubble::before {
    bottom: auto;
    left: -13px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 11px 11px 11px 0;
    border-color: transparent var(--border-color);
  }
}