:root{--primary-color:#0070f3;--secondary-color:#ff4757;--success-color:#2ed573;--warning-color:#ffa502;--danger-color:#ff4757;--dark-color:#2f3542;--light-color:#f1f2f6;--transition-speed:0.3s;--border-radius:10px;--box-shadow:0 4px 8px rgba(0,0,0,.1);--font-primary:"Comic Sans MS","Comic Sans",cursive,sans-serif;--font-secondary:"Arial Rounded MT Bold","Arial",sans-serif}*{box-sizing:border-box;margin:0;padding:0}body,html{font-family:var(--font-secondary);background-color:#f5f5ff;color:var(--dark-color);line-height:1.6}.container{max-width:800px;margin:0 auto;padding:2rem;min-height:100vh;display:flex;flex-direction:column}main{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:1rem 0}.title{font-family:var(--font-primary);font-size:2.5rem;color:var(--primary-color);text-align:center;margin-bottom:1rem;text-shadow:2px 2px 4px rgba(0,0,0,.1)}.description{text-align:center;margin-bottom:2rem;font-size:1.2rem;color:var(--dark-color)}.recorder{width:100%;display:flex;flex-direction:column;align-items:center;gap:1rem;margin-bottom:2rem}.recording-button{padding:1rem 2rem;font-size:1.2rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:var(--border-radius);cursor:pointer;transition:all var(--transition-speed);box-shadow:var(--box-shadow);font-family:var(--font-primary)}.recording-button:hover{background-color:#0050b3;transform:translateY(-2px)}.recording-button:disabled{background-color:#ccc;cursor:not-allowed;transform:none}.recording-button.recording{background-color:var(--danger-color);animation:pulse 1.5s infinite}@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,71,87,.7)}70%{box-shadow:0 0 0 10px rgba(255,71,87,0)}to{box-shadow:0 0 0 0 rgba(255,71,87,0)}}.status-text{font-size:1rem;color:var(--dark-color);text-align:center}.loading-indicator{display:flex;flex-direction:column;align-items:center;gap:.5rem;margin-top:1rem}.spinner{width:36px;height:36px;border-radius:50%;border:4px solid rgba(0,0,0,.1);border-left:4px solid var(--primary-color);animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.error-message{width:100%;background-color:#fee;border-left:4px solid var(--danger-color);padding:1rem;margin-bottom:1.5rem;border-radius:4px}.response-container{width:100%;background-color:#fff;padding:1.5rem;border-radius:var(--border-radius);box-shadow:var(--box-shadow)}.response-container,.word-container{display:flex;flex-direction:column;gap:1.5rem}.word-container{align-items:center}.highlight{color:var(--primary-color);font-weight:700;font-family:var(--font-primary)}.letter-container{gap:1rem;margin-top:.5rem;min-height:100px}.letter,.letter-container{display:flex;justify-content:center}.letter{width:60px;height:60px;background-color:#e0e0ff;border-radius:10px;align-items:center;font-family:var(--font-primary);font-size:2rem;font-weight:700;color:var(--dark-color);box-shadow:var(--box-shadow);opacity:0;transform:scale(.5);transition:all .3s ease-in-out;animation:pop-in .5s forwards}.letter.visible{opacity:1;transform:scale(1)}.letter.current{background-color:var(--primary-color);color:#fff;animation:bounce .6s ease}@keyframes pop-in{0%{opacity:0;transform:scale(.5)}70%{opacity:1;transform:scale(1.2)}to{opacity:1;transform:scale(1)}}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0) scale(1)}40%{transform:translateY(-20px) scale(1.1)}60%{transform:translateY(-10px) scale(1.05)}}.example-container{background-color:#f5f5ff;padding:1rem;border-radius:var(--border-radius);width:100%;text-align:center}.example-container p{font-weight:700;margin-bottom:.5rem;color:var(--primary-color)}.example-sentence{font-family:var(--font-primary);font-size:1.1rem}.audio-container{width:100%;display:flex;flex-direction:column;align-items:center;gap:1rem;margin-top:1rem}.audio-error{width:100%;background-color:#fee;padding:.75rem;border-radius:4px;font-size:.9rem;color:var(--danger-color)}.audio-player{width:100%;margin:.5rem 0}.controls{display:flex;gap:1rem;margin-top:.5rem}.control-button{padding:.75rem 1.5rem;border:none;border-radius:var(--border-radius);cursor:pointer;font-family:var(--font-secondary);font-size:1rem;transition:all var(--transition-speed)}.control-button:disabled{opacity:.5;cursor:not-allowed}.play-button{background-color:var(--success-color);color:#fff}.play-button:hover:not(:disabled){background-color:#28c066}.new-button{background-color:var(--primary-color);color:#fff}.new-button:hover:not(:disabled){background-color:#0050b3}.response-text{width:100%;background-color:#f5f5ff;padding:1rem;border-radius:var(--border-radius);font-size:.9rem;color:var(--dark-color);margin-top:.5rem}