#alphabet-tool .at-btn-red{background:var(--red);color:#fff}#alphabet-tool .at-btn-red:hover{background:#b91c1c}#alphabet-tool .at-btn-gray{background:#e2e8f0;color:#1f2937}#alphabet-tool .at-btn-gray:hover{background:#cbd5e1}#alphabet-tool .at-timer.warning{background:#fff7ed;color:#ea580c;border-color:#fed7aa}#alphabet-tool .at-timer.danger{background:#fef2f2;color:var(--red);border-color:#fecaca}#alphabet-tool .at-feedback.correct{display:block;background:#f0fdf4;border:1px solid #bbf7d0;color:#15803d}#alphabet-tool .at-feedback.incorrect{display:block;background:#fef2f2;border:1px solid #fecaca;color:#b91c1c}