:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:#1f2933;background:#f4f6f8;font-family:Arial,Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{min-height:100vh;margin:0}button{color:#1d4ed8;cursor:pointer;font:inherit;background:#fff;border:2px solid #1d4ed8;border-radius:8px;width:100%;min-height:64px;padding:14px 20px;font-size:1.2rem;font-weight:700;position:relative}button:disabled{color:#7b8794;cursor:not-allowed;border-color:#b7c0cc}input{color:#1f2933;font:inherit;border:2px solid #9fb3c8;border-radius:8px;width:100%;min-height:64px;padding:12px 16px;font-size:1.4rem}input:focus{border-color:#1d4ed8;outline:3px solid #bfdbfe}[hidden]{display:none!important}.primary{color:#fff;background:#1d4ed8}.stop-button{color:#fff;background:#b91c1c;border-color:#b91c1c}.opposite-button{transform:rotate(180deg)}#startChineseToEnglish:before{content:"";background:#cbd5e1;width:2px;position:absolute;top:0;bottom:0;left:-7px}.app{gap:22px;max-width:900px;min-height:100vh;margin:0 auto;padding:28px;display:grid}.login-page{align-items:center;min-height:100vh;padding:24px;display:grid}.login-panel{background:#fff;border:1px solid #d9e2ec;border-radius:8px;gap:18px;width:100%;max-width:420px;margin:0 auto;padding:24px;display:grid}.login-panel label{color:#1f2933;font-size:1.5rem;font-weight:700}p{margin:0}.controls{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.toggle-row{color:#1f2933;background:#fff;border:1px solid #d9e2ec;border-radius:8px;align-items:center;gap:14px;padding:16px 18px;font-size:1.2rem;font-weight:700;line-height:1.4;display:flex}.toggle-row input{accent-color:#1d4ed8;flex:none;width:28px;height:28px}.transcripts{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.transcript-card{background:#fff;border:1px solid #d9e2ec;border-radius:8px;align-content:start;gap:12px;min-height:280px;padding:22px;display:grid}.transcript-card span{color:#52606d;font-size:1.05rem;font-weight:700}.transcript-card p{overflow-wrap:anywhere;margin:0;font-size:1.55rem;line-height:1.6}.translated{border-color:#9fb3c8}.transcripts.translation-first #translatedCard{order:1;grid-column:1/-1}.transcripts.translation-first #sourceCard{order:2;grid-column:1/-1}.opposite-source{border-color:#64748b;grid-column:1/-1;min-height:140px;transform:rotate(180deg)}.opposite-source p{font-size:1.8rem;font-weight:700}.opposite-translation{border-color:#1d4ed8;grid-column:1/-1;min-height:180px;transform:rotate(180deg)}.opposite-translation p{font-size:1.8rem;font-weight:700}.status{color:#3e4c59;min-height:1.6em;font-size:1.1rem;line-height:1.4}audio{display:none}@media (max-width:760px){.app{gap:18px;padding:18px}.controls,.transcripts{grid-template-columns:1fr}#startChineseToEnglish:before{width:auto;height:2px;top:-7px;left:0;right:0}.transcript-card{min-height:220px;padding:18px}.transcript-card p{font-size:1.35rem}}