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.check-mark{font-size:.8rem;color:#4caf50}.question-nav-button.active{background:#00acc1;color:#fff;border-color:#00acc1;transform:scale(1.05)}.question-nav-button.active .check-mark{color:#fff}.question-nav-button.answered{background:#e8f5e9;border-color:#4caf50;color:#2e7d32}.question-nav-button.answered.active{background:#4caf50;color:#fff;border-color:#4caf50}.question-nav-button.unanswered{background:#fff;border-color:#e0e0e0}.nav-legend{margin-top:24px;padding-top:20px;border-top:1px solid #e0e0e0;display:flex;flex-direction:column;gap:12px}.legend-item{display:flex;align-items:center;gap:10px;font-size:.9rem;color:#666}.legend-box{width:24px;height:24px;border-radius:4px;border:2px solid 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