/* Quiz page styles */

/* Breadcrumb navigation */
.breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px 0;
  font-size: 0.85rem;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb-item a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumb-item a:hover {
  color: var(--accent);
}

.breadcrumb-item.current {
  color: var(--text-primary);
}

.breadcrumb-separator {
  color: var(--text-secondary);
  opacity: 0.5;
}

.quiz-container { max-width: 720px; margin: 0 auto; padding: 60px 24px 100px; }
.quiz-header { text-align: center; margin-bottom: 48px; }
.quiz-badge { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: var(--accent); background: rgba(34, 197, 94, 0.1); padding: 6px 12px; border-radius: 4px; text-transform: uppercase; letter-spacing: 0.05em; display: inline-block; margin-bottom: 16px; }
.quiz-badge.practical { color: var(--warning); background: rgba(245, 158, 11, 0.1); }
.quiz-title { font-size: clamp(1.75rem, 4vw, 2.25rem); font-weight: 700; margin-bottom: 12px; }
.quiz-subtitle { color: var(--text-secondary); font-size: 1.05rem; }

/* Questions */
.question { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 12px; padding: 28px; margin-bottom: 24px; }
.question-number { font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; color: var(--accent); margin-bottom: 12px; }
.question-text { font-size: 1.1rem; font-weight: 600; margin-bottom: 20px; line-height: 1.5; }

/* Options */
.options { display: flex; flex-direction: column; gap: 12px; }
.option { display: flex; align-items: center; gap: 12px; padding: 16px; background: var(--bg-tertiary); border: 1px solid var(--border); border-radius: 8px; cursor: pointer; transition: all 0.2s; }
.option:hover { border-color: var(--text-secondary); }
.option.selected { border-color: var(--accent); background: rgba(34, 197, 94, 0.1); }
.option.correct { border-color: var(--accent); background: rgba(34, 197, 94, 0.2); }
.option.incorrect { border-color: var(--red); background: rgba(239, 68, 68, 0.1); }
.option.disabled { pointer-events: none; }

/* Option radio */
.option-radio { width: 20px; height: 20px; border: 2px solid var(--border); border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.option.selected .option-radio { border-color: var(--accent); }
.option.selected .option-radio::after { content: ''; width: 10px; height: 10px; background: var(--accent); border-radius: 50%; }
.option.correct .option-radio { border-color: var(--accent); }
.option.correct .option-radio::after { content: '✓'; color: var(--accent); font-size: 12px; font-weight: bold; }
.option.incorrect .option-radio { border-color: var(--red); }
.option.incorrect .option-radio::after { content: '✗'; color: var(--red); font-size: 12px; font-weight: bold; }
.option-text { color: var(--text-secondary); font-size: 0.95rem; }
.option.selected .option-text { color: var(--text-primary); }

/* Quiz actions and results */
.quiz-actions { display: flex; justify-content: center; margin-top: 32px; }
.quiz-results { text-align: center; padding: 32px; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 12px; margin-top: 32px; display: none; }
.quiz-results.show { display: block; }
.results-score { font-size: 3rem; font-weight: 700; color: var(--accent); margin-bottom: 8px; }
.results-text { color: var(--text-secondary); font-size: 1.1rem; margin-bottom: 24px; }
.results-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Related courses section */
.related-courses { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--border); }
.related-courses-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 20px; color: var(--text-secondary); text-align: center; }
.related-courses-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.related-course-card { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 8px; padding: 20px; text-decoration: none; transition: all 0.2s; }
.related-course-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.related-course-card .course-badge { font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--accent); background: rgba(34, 197, 94, 0.1); padding: 4px 8px; border-radius: 4px; text-transform: uppercase; letter-spacing: 0.05em; display: inline-block; margin-bottom: 8px; }
.related-course-card .course-name { font-weight: 600; color: var(--text-primary); margin-bottom: 4px; font-size: 0.95rem; }
.related-course-card .course-desc { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.4; }