.qw7-val-input.correct{border-color:#000;background:#e8e8e8}.qw7-val-input.incorrect{border-color:#666;background:#f5f5f5}.qw7-select.correct{border-color:#000;background:#e8e8e8}.qw7-select.incorrect{border-color:#666;background:#f5f5f5}.qw7-feedback.success{background:#e8e8e8;color:#1a1a1a;border-left:5px solid #000;display:block}.qw7-feedback.error{background:#f5f5f5;color:#333;border-left:5px solid #666;display:block}.qw7-feedback.success::before{content:"✓ ";font-weight:700;font-size:1.2rem}.qw7-feedback.error::before{content:"✗ ";font-weight:700;font-size:1.2rem}.qw7-solution.show{display:block;animation:qw7FadeIn .5s ease}.qw7-completion.show{display:block}