*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,sans-serif;background:#f0f4ff;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.container{background:#fff;border-radius:20px;padding:36px 40px;width:100%;max-width:680px;box-shadow:0 8px 32px #3b82f61f;display:flex;flex-direction:column;gap:20px}.title{font-size:28px;font-weight:700;color:#1e3a8a;text-align:center}.subtitle{color:#94a3b8;font-size:14px;text-align:center;margin-top:-12px}.robot-area{display:flex;flex-direction:column;align-items:center;gap:0;min-height:210px}.speech-bubble{position:relative;background:#eff6ff;border:2px solid #bfdbfe;border-radius:16px;padding:16px;width:100%;margin-top:8px}.speech-bubble:before{content:"";position:absolute;top:-14px;left:50%;transform:translate(-50%);border-width:0 10px 14px 10px;border-style:solid;border-color:transparent transparent #bfdbfe transparent}.speech-bubble:after{content:"";position:absolute;top:-11px;left:50%;transform:translate(-50%);border-width:0 8px 12px 8px;border-style:solid;border-color:transparent transparent #eff6ff transparent}.textarea{width:100%;padding:12px 16px;border-radius:12px;border:1.5px solid #e0e0e0;font-size:15px;resize:vertical;outline:none;font-family:inherit}.textarea:focus{border-color:#60a5fa}.slider-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.slider-label{font-size:14px;font-weight:600;white-space:nowrap;color:#444}.slider{flex:1;min-width:100px;accent-color:#3b82f6}.level-badge{font-size:13px;color:#3b82f6;font-weight:600;white-space:nowrap;min-width:120px;text-align:right}.button{padding:14px 0;background:#3b82f6;color:#fff;border:none;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;transition:background .2s,opacity .2s;width:100%}.button:hover:not(:disabled){background:#2563eb}.button:disabled{opacity:.6;cursor:not-allowed}.result-text{font-size:15px;line-height:1.8;color:#1e3a8a;white-space:pre-wrap}.error-text{color:#dc2626}.copy-button{margin-top:12px;font-size:12px;padding:4px 12px;border-radius:6px;border:1px solid #3b82f6;background:transparent;color:#3b82f6;cursor:pointer;display:block;margin-left:auto}@keyframes eye-glow{0%,to{opacity:1}50%{opacity:.3}}@keyframes mouth-pulse{0%,to{ry:8}50%{ry:4}}.robot-eye{animation:eye-glow .6s ease-in-out infinite alternate}.robot-mouth{animation:mouth-pulse .35s ease-in-out infinite}@media(max-width:480px){body{align-items:stretch;padding:0;background:#fff}.container{padding:28px 20px;border-radius:0;box-shadow:none;min-height:100dvh;gap:16px}.title{font-size:26px}.textarea{font-size:17px;min-height:120px}.slider-row{flex-direction:column;align-items:stretch}.slider{width:100%}.level-badge{text-align:center}.button{padding:18px 0;font-size:18px;border-radius:14px}}