:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f8f9fa;color:#333;line-height:1.6}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:linear-gradient(135deg,#1a73e8,#1557b0);color:#fff;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 8px #1a73e833}.app-header h1{font-size:1.5rem;font-weight:600;letter-spacing:-.025em}.settings-btn{background:#fff3;border:none;border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.2rem;transition:background-color .2s}.settings-btn:hover{background:#ffffff4d}.app-main{flex:1;display:grid;grid-template-columns:1fr 2fr;gap:2rem;padding:2rem;max-width:1400px;margin:0 auto;width:100%}.content-selector{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 1px 3px #0000001a;height:fit-content}.content-selector h2{font-size:1.25rem;margin-bottom:1.5rem;color:#1a73e8;font-weight:600}.category{margin-bottom:2rem}.category:last-child{margin-bottom:0}.category h3{font-size:1rem;margin-bottom:.75rem;color:#666;font-weight:500}.items{display:flex;flex-direction:column;gap:.5rem}.item-btn{background:#f8f9fa;border:1px solid #e0e0e0;border-radius:8px;padding:.75rem 1rem;text-align:left;cursor:pointer;transition:all .2s;font-size:.9rem}.item-btn:hover{background:#f0f0f0;border-color:#1a73e8}.item-btn.selected{background:#e3f2fd;border-color:#1a73e8;color:#1a73e8;font-weight:500}.practice-area{background:#fff;border-radius:12px;padding:2rem;box-shadow:0 1px 3px #0000001a}.current-text{text-align:center;margin-bottom:2rem}.practice-text{font-size:2rem;font-weight:500;line-height:1.4;display:inline-block}.word{cursor:pointer;padding:.25rem .5rem;border-radius:6px;transition:all .2s;position:relative}.word:hover{background:#0000000d}.word.selected{background:#1a73e81a;transform:translateY(-1px)}.word.score-good{color:#4caf50!important}.word.score-fair{color:#ff9800!important}.word.score-poor{color:#f44336!important}.record-controls{text-align:center;margin-bottom:2rem}.record-btn{background:#1a73e8;color:#fff;border:none;border-radius:50px;padding:1rem 2rem;font-size:1.1rem;font-weight:500;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:.75rem;min-width:180px;justify-content:center}.record-btn:hover:not(:disabled){background:#1557b0;transform:translateY(-1px);box-shadow:0 4px 12px #1a73e84d}.record-btn:disabled{background:#ccc;cursor:not-allowed}.record-btn.recording{background:#f44336;animation:pulse 2s infinite}.record-btn.recording:hover{background:#d32f2f}@keyframes pulse{0%{box-shadow:0 0 #f44336b3}70%{box-shadow:0 0 0 10px #f4433600}to{box-shadow:0 0 #f4433600}}.record-icon{font-size:1.3rem}.error-message{background:#ffebee;border:1px solid #ffcdd2;border-radius:8px;padding:1rem;margin-bottom:1rem;color:#c62828;text-align:center}.results-section{border-top:1px solid #e0e0e0;padding-top:2rem;margin-top:2rem}.scores{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:1.5rem;margin-bottom:2rem}.score-item{text-align:center}.score-label{display:block;font-size:.9rem;color:#666;margin-bottom:.5rem;font-weight:500}.score-circle{width:80px;height:80px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto;font-size:1.1rem;font-weight:600;color:#fff;position:relative;overflow:hidden}.score-circle.score-good{background:#4caf50}.score-circle.score-fair{background:#ff9800}.score-circle.score-poor{background:#f44336}.instructions{text-align:center;color:#666;font-style:italic;margin-bottom:1.5rem}.phoneme-details{background:#f8f9fa;border-radius:8px;padding:1.5rem;border:1px solid #e0e0e0}.phoneme-details h4{margin-bottom:1rem;color:#1a73e8;font-size:1.1rem}.phoneme-list{display:flex;flex-wrap:wrap;gap:.75rem}.phoneme-item{background:#fff;border-radius:6px;padding:.5rem .75rem;border:1px solid #e0e0e0;display:flex;align-items:center;gap:.5rem;min-width:100px}.phoneme-symbol{font-family:Courier New,monospace;font-weight:600;color:#333}.phoneme-score{font-size:.85rem;font-weight:500;padding:.25rem .5rem;border-radius:4px}.phoneme-score.score-good{background:#e8f5e8;color:#2e7d32}.phoneme-score.score-fair{background:#fff3e0;color:#e65100}.phoneme-score.score-poor{background:#ffebee;color:#c62828}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.modal-content{background:#fff;border-radius:12px;padding:2rem;max-width:500px;width:100%;max-height:80vh;overflow-y:auto}.modal-content h2{margin-bottom:1.5rem;color:#1a73e8;font-size:1.5rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:#333}.form-group input{width:100%;padding:.75rem;border:1px solid #e0e0e0;border-radius:8px;font-size:1rem;transition:border-color .2s}.form-group input:focus{outline:none;border-color:#1a73e8}.form-actions{display:flex;gap:1rem;justify-content:flex-end;margin-bottom:1.5rem}.form-actions button{padding:.75rem 1.5rem;border:none;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s}.form-actions button[type=button]{background:#f5f5f5;color:#666}.form-actions button[type=button]:hover{background:#e0e0e0}.form-actions button.primary{background:#1a73e8;color:#fff}.form-actions button.primary:hover{background:#1557b0}.settings-help{background:#f8f9fa;border-radius:8px;padding:1rem;border-left:4px solid #1a73e8}.settings-help p{margin-bottom:.5rem;font-weight:500}.settings-help ol{margin-left:1.5rem}.settings-help ol li{margin-bottom:.25rem}.settings-help a{color:#1a73e8;text-decoration:none}.settings-help a:hover{text-decoration:underline}@media(max-width:768px){.app-header{padding:1rem}.app-header h1{font-size:1.2rem}.app-main{grid-template-columns:1fr;padding:1rem;gap:1.5rem}.practice-text{font-size:1.5rem}.scores{grid-template-columns:repeat(2,1fr);gap:1rem}.score-circle{width:60px;height:60px;font-size:.9rem}.phoneme-list{flex-direction:column}.phoneme-item{justify-content:space-between}.modal-content{padding:1.5rem;margin:1rem}.form-actions{flex-direction:column}}