.checklist-item.checked .checklist-checkbox{background:#4facfe}.checklist-item.checked .checklist-checkbox::after{content:"✓";color:#fff;font-weight:700;font-size:16px}.timeline-item.revealed{border-left-color:#28a745;background:#f0fff4}.symptom-btn.selected{background:#fcb69f;color:#fff;border-color:#fcb69f}.result-high{color:#dc3545;font-weight:700}.result-medium{color:#ffc107;font-weight:700}.result-low{color:#28a745;font-weight:700}