/* Modern Formative Quiz & Online Exam Styling */
:root {
  --quiz-primary: #4f46e5;
  --quiz-primary-hover: #4338ca;
  --quiz-primary-light: #eef2ff;
  --quiz-success: #10b981;
  --quiz-success-bg: #ecfdf5;
  --quiz-success-border: #a7f3d0;
  --quiz-danger: #ef4444;
  --quiz-danger-bg: #fef2f2;
  --quiz-danger-border: #fecaca;
  --quiz-neutral-bg: #f8fafc;
  --quiz-card-bg: #ffffff;
  --quiz-text-main: #1e293b;
  --quiz-text-muted: #64748b;
  --quiz-radius: 16px;
  --quiz-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.06), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
}

.quiz-container {
  background: var(--quiz-card-bg);
  border-radius: var(--quiz-radius);
  box-shadow: var(--quiz-shadow);
  border: 1px solid #e2e8f0;
  padding: 2rem;
  margin: 1.5rem 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--quiz-text-main);
}

.quiz-header {
  border-bottom: 2px dashed #e2e8f0;
  padding-bottom: 1.25rem;
  margin-bottom: 1.75rem;
}

.quiz-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.5rem;
}

.quiz-meta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.quiz-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
}

.quiz-badge-primary {
  background: var(--quiz-primary-light);
  color: var(--quiz-primary);
}

.quiz-badge-info {
  background: #e0f2fe;
  color: #0369a1;
}

.quiz-badge-success {
  background: var(--quiz-success-bg);
  color: #047857;
}

.quiz-badge-warning {
  background: #fffbeb;
  color: #b45309;
}

.quiz-badge-danger {
  background: var(--quiz-danger-bg);
  color: #b91c1c;
}

.quiz-badge-new-best {
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  color: #78350f;
  border: 1px solid #fcd34d;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
  font-weight: 700;
  animation: pulse-best 2s infinite ease-in-out;
}

@keyframes pulse-best {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.quiz-question-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  transition: all 0.2s ease;
  display: flex !important;
  flex-direction: column !important;
  width: 100% !important;
  box-sizing: border-box !important;
  clear: both !important;
}

.quiz-question-card:hover {
  border-color: #cbd5e1;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.quiz-question-header {
  display: flex !important;
  flex-direction: row !important;
  align-items: flex-start !important;
  gap: 0.75rem !important;
  margin-bottom: 1rem !important;
  width: 100% !important;
  flex-shrink: 0 !important;
}

.quiz-q-num {
  background: var(--quiz-primary-light);
  color: var(--quiz-primary);
  font-weight: 700;
  font-size: 0.9rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
}

.quiz-q-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: #1e293b;
  line-height: 1.5;
  padding-top: 0.3rem;
  flex: 1 1 auto !important;
  min-width: 0 !important;
  word-break: break-word !important;
}

.quiz-q-title * {
  float: none !important;
  max-width: 100% !important;
  font-family: inherit !important;
  box-sizing: border-box !important;
}

.quiz-q-title p {
  margin-bottom: 0.5rem;
}

.quiz-q-title p:last-child {
  margin-bottom: 0;
}

.quiz-options-list {
  display: grid !important;
  grid-template-columns: 1fr !important;
  gap: 0.75rem !important;
  margin-top: 0.75rem !important;
  width: 100% !important;
  flex-shrink: 0 !important;
  clear: both !important;
}

@media (min-width: 768px) {
  .quiz-options-list {
    grid-template-columns: 1fr 1fr !important;
  }
}

.quiz-option-label {
  display: flex !important;
  align-items: center !important;
  gap: 0.75rem !important;
  padding: 0.75rem 1rem !important;
  min-height: 46px !important;
  border: 2px solid #f1f5f9;
  border-radius: 10px;
  background: #ffffff;
  cursor: pointer;
  transition: all 0.15s ease;
  min-width: 0 !important;
  width: 100% !important;
  box-sizing: border-box !important;
  word-break: break-word !important;
  user-select: none;
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0 !important;
}

.quiz-option-label p,
.quiz-option-label div,
.quiz-option-label span:not(.quiz-opt-letter) {
  margin: 0 !important;
  display: inline !important;
  float: none !important;
  font-family: inherit !important;
}

.quiz-option-label:hover {
  background: #ffffff;
  border-color: #c7d2fe;
}

.quiz-option-input {
  display: none;
}

.quiz-option-input:checked + .quiz-option-label {
  background: #eef2ff;
  border-color: var(--quiz-primary);
  color: var(--quiz-primary);
  font-weight: 600;
}

.quiz-opt-letter {
  display: inline-grid !important;
  place-items: center !important;
  place-content: center !important;
  text-align: center !important;
  width: 28px !important;
  height: 28px !important;
  min-width: 28px !important;
  min-height: 28px !important;
  line-height: 28px !important;
  border-radius: 6px;
  background: #e2e8f0;
  color: #475569;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0 !important;
  align-self: center !important;
  margin: 0 !important;
  padding: 0 !important;
  box-sizing: border-box !important;
}

.quiz-option-input:checked + .quiz-option-label .quiz-opt-letter {
  background: var(--quiz-primary);
  color: #ffffff;
}

/* Result Feedback Cards */
.feedback-card {
  border-radius: 12px;
  padding: 1rem 1.25rem;
  margin-top: 1rem;
  font-size: 0.95rem;
}

.feedback-card-success {
  background-color: var(--quiz-success-bg);
  border: 1px solid var(--quiz-success-border);
  color: #065f46;
}

.feedback-card-danger {
  background-color: var(--quiz-danger-bg);
  border: 1px solid var(--quiz-danger-border);
  color: #991b1b;
}

.feedback-title {
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.4rem;
}

.feedback-text {
  line-height: 1.5;
  margin: 0;
}

.correct-answer-banner {
  margin-top: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 100%);
  border: 1.5px solid #5eead4;
  border-left: 5px solid #0d9488;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  color: #134e4a;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 2px 8px rgba(13, 148, 136, 0.12);
  letter-spacing: 0.01em;
}

.correct-answer-banner::before {
  content: "🎯";
  font-size: 1.05rem;
  flex-shrink: 0;
}

.quiz-submit-btn {
  background: linear-gradient(135deg, var(--quiz-primary) 0%, #3730a3 100%);
  color: #ffffff;
  font-weight: 600;
  padding: 0.75rem 2.5rem;
  border-radius: 9999px;
  border: none;
  font-size: 1rem;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
  transition: all 0.2s ease;
  cursor: pointer;
}

.quiz-submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
  color: #ffffff;
}

.quiz-retake-btn {
  background: #ffffff;
  color: var(--quiz-primary);
  border: 2px solid var(--quiz-primary);
  font-weight: 600;
  padding: 0.65rem 2rem;
  border-radius: 9999px;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none !important;
}

.quiz-retake-btn:hover {
  background: var(--quiz-primary);
  color: #ffffff;
}