:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#263c35;background:#f4f4ed;font-synthesis:none;--green:#123f35;--muted:#7c8980;--line:#e0e4db;--cream:#e7edb1}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,select,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.42}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #a1b976;outline-offset:3px}[hidden]{display:none!important}.app-shell{max-width:820px;margin:auto;padding:0 28px 208px}.header{display:flex;align-items:center;justify-content:space-between;padding:28px 0 26px}.brand{display:flex;gap:12px;align-items:center;font-family:Georgia,serif;font-size:27px;font-weight:700;text-decoration:none;color:var(--green)}.brand-mark{display:inline-grid;place-items:center;width:48px;height:48px;background:var(--green);color:var(--cream);border-radius:15px;font:bold 38px Georgia,serif;padding-bottom:5px}.brand-sub{display:block;font:10px sans-serif;letter-spacing:2px;margin-top:4px;color:#78877b}.icon-button{display:grid;place-items:center;border:1px solid var(--line);width:44px;height:44px;border-radius:50%;background:transparent;color:var(--green);font-size:22px}.intro{display:flex;justify-content:space-between;align-items:center;margin:4px 2px 16px}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:650}.dialect{color:#707b69;background:#e9eddf;padding:5px 9px;border-radius:20px;font-size:10px}.live-card{position:relative;background:var(--green);border-radius:25px;padding:25px 28px;color:#f4f4dc;min-height:270px;box-shadow:0 14px 35px #123f3510}.live-top,.live-bottom{display:flex;justify-content:space-between;align-items:center;gap:10px}.live-top{font-size:12px;color:#c2cebb}.status{display:flex;align-items:center;gap:6px;font-size:10px;white-space:nowrap}.status i{width:6px;height:6px;border-radius:50%;background:#9eae97}.status i.active{background:#d8ef8e;box-shadow:0 0 0 4px #e7edb115}.translation{font-size:clamp(25px,4.3vw,36px);line-height:1.5;letter-spacing:.2px;font-weight:550;margin:31px 0 18px;overflow-wrap:anywhere;white-space:pre-line;max-height:42vh;overflow:auto}.original{font-size:13px;color:#b0c3b6;line-height:1.7;margin:0 0 28px;white-space:pre-wrap;overflow-wrap:anywhere;max-height:15vh;overflow:auto}.live-bottom{border-top:1px solid #ffffff18;padding-top:15px;font-size:9px;letter-spacing:1px;color:#b0c3b6}.card-actions{display:flex;gap:8px}.card-actions button{border:0;background:#ffffff0c;color:#e7edcf;border-radius:7px;padding:8px 10px;font-size:11px;min-height:36px;white-space:nowrap}.live-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 0 13px}.direction-label{display:grid;gap:6px;font-size:10px;color:#7b877d;flex:1}.direction-label select{border:0;background:transparent;color:#2b463a;font-weight:600;font-size:14px;padding:5px 24px 5px 0;width:100%;max-width:230px}.live-button{display:flex;align-items:center;justify-content:center;gap:9px;background:var(--cream);border:1px solid #d6dda2;border-radius:12px;color:#2c4536;padding:13px 18px;font-size:12px;min-height:48px}.play-icon{font-size:10px}.mic-row{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px;color:var(--muted)}.text-button{background:none;border:0;color:#45624e;font-size:12px;min-height:40px;padding:8px}.meter{height:12px;margin-top:1px}.meter progress{display:block;width:100%;height:3px;border:0;border-radius:5px;overflow:hidden;background:#e5e8dc;accent-color:#839b61}.meter progress::-webkit-progress-bar{background:#e5e8dc}.meter progress::-webkit-progress-value{background:#839b61;transition:width .08s}.section-title{display:flex;align-items:center;justify-content:space-between;margin:20px 0 8px}.section-title h1{font-size:13px;font-weight:600;letter-spacing:1px;margin:0}.section-title h1 span{display:inline-block;font-size:10px;color:#8b9789;margin-left:7px;background:#e8ebdf;padding:2px 6px;border-radius:5px}.empty-state{text-align:center;padding:20px 0 30px;color:#919a8c}.chat-glyph{font:60px Georgia,serif;line-height:1;color:#c7cfba}.empty-state p{font-size:13px;color:#687860;margin:0 0 10px}.empty-state>span:last-child{font-size:11px;line-height:1.9}.entry{background:#fffef8;border:1px solid #e5e7db;padding:17px 19px;border-radius:15px;margin-bottom:12px}.entry-head{display:flex;justify-content:space-between;align-items:center;color:#82907b;font-size:10px}.entry-original{font-size:12px;line-height:1.7;color:#819079;white-space:pre-wrap;overflow-wrap:anywhere;margin:12px 0 8px}.entry-translation{font-size:17px;line-height:1.65;font-weight:500;white-space:pre-wrap;overflow-wrap:anywhere;margin:0}.entry-actions{display:flex;gap:3px;justify-content:flex-end;margin-top:7px}.entry-actions button{color:#55704e;background:transparent;border:0;font-size:11px;min-width:44px;min-height:38px}.entry-error{color:#a45335;font-size:12px}.composer{position:fixed;z-index:3;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,820px);padding:18px 28px max(12px,env(safe-area-inset-bottom));background:#f4f4edf5;border-top:1px solid #e0e4d8;backdrop-filter:blur(16px)}.composer-caption{display:flex;justify-content:space-between;color:#79866f;font-size:10px;margin:0 0 12px}.hold-buttons{display:flex;gap:12px}.hold-button{flex:1;min-width:0;display:flex;align-items:center;justify-content:flex-start;gap:12px;border:1px solid #ccd6ba;border-radius:16px;padding:18px 16px;min-height:84px;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.chinese{background:var(--green);color:#eff1db;border-color:var(--green)}.vietnamese{background:#e8eddb;color:#304b37}.button-language{display:grid;place-items:center;width:29px;height:29px;border:1px solid currentColor;border-radius:9px;font-size:13px;opacity:.7;flex-shrink:0}.hold-button strong{display:block;font-size:14px;font-weight:550}.hold-button small{display:block;font-size:9px;opacity:.6;margin-top:6px}.mic-symbol{margin-left:auto;font-size:11px;opacity:.65}.hold-button.recording{background:#b95c3f;color:white;border-color:#b95c3f;box-shadow:0 0 0 4px #b95c3f16}.footer-note{text-align:center;font-size:9px;letter-spacing:1px;color:#9aa38f;margin:13px 0 0}.notice{padding:12px 15px;border:1px solid #e5cfb2;border-radius:12px;background:#fff6e7;color:#886241;line-height:1.7;font-size:12px;margin-top:14px;overflow-wrap:anywhere}dialog{width:min(430px,calc(100% - 32px));max-height:85dvh;overflow:auto;border:1px solid #dde3d5;border-radius:24px;padding:28px;color:#294232;background:#fbfbf4;box-shadow:0 20px 90px #0002}dialog::backdrop{background:#172e2866;backdrop-filter:blur(6px)}dialog h2{font-size:22px;margin:25px 0 10px}dialog p{font-size:13px;line-height:1.7;color:#74836b}dialog label{display:grid;gap:9px;font-size:12px;margin:22px 0 10px}input,dialog select{width:100%;padding:13px;border:1px solid #d5dec9;border-radius:10px;background:#fffef9;font-size:16px;color:#294232}.primary,.secondary{border-radius:12px;width:100%;min-height:48px;border:0;background:var(--green);color:#f1f2db;font-size:14px}.secondary{background:#e7ecdb;color:#3f593d}.form-error{color:#a65334;min-height:20px}.dialog-heading{display:flex;align-items:center;justify-content:space-between}.dialog-heading h2{margin:0}.setting-copy{border-block:1px solid var(--line);margin:20px 0;padding:8px 0}.logout{width:100%;margin-top:15px;color:#9f5e45}.small-note{font-size:11px!important;color:#839177;line-height:1.7}audio{width:100%;height:40px;margin-top:12px}@media(min-width:900px){.app-shell{padding-top:12px}.live-card{min-height:300px}.translation{margin-top:38px}.history-section{max-width:100%}.header{padding-bottom:36px}}@media(max-width:480px){.app-shell{padding:0 18px 195px}.header{padding:22px 0}.live-card{padding:21px 20px;min-height:260px;border-radius:22px}.live-top{font-size:11px}.live-controls{gap:8px}.live-button{padding:13px 12px}.composer{padding:14px 16px max(12px,env(safe-area-inset-bottom))}.hold-buttons{gap:9px}.hold-button{padding:15px 10px;gap:8px;min-height:80px}.hold-button strong{font-size:12px}.button-language{width:25px;height:27px;font-size:11px}.mic-symbol{display:none}.hold-button small{font-size:8px}.dialect{font-size:9px}.translation{font-size:27px}.live-bottom{letter-spacing:.5px}.card-actions{gap:4px}.card-actions button{padding:7px;font-size:10px}.direction-label select{font-size:13px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Fixed live translation, scrollable conversation, bottom microphone controls. */
.app-shell{height:100vh;height:100dvh;padding:0;overflow:hidden;--composer-height:calc(158px + env(safe-area-inset-bottom))}
.live-card{position:fixed;z-index:4;top:0;left:50%;transform:translateX(-50%);width:min(100%,820px);height:30vh;height:30dvh;min-height:0;border-radius:0 0 22px 22px;padding: max(12px,env(safe-area-inset-top)) 20px 10px;display:flex;flex-direction:column;overflow:hidden}
.live-top,.live-bottom{flex-shrink:0}.translation{font-size:clamp(21px,4vw,30px);margin:10px 0 5px;line-height:1.4;flex:1;min-height:0;max-height:none;overflow:auto}.original{font-size:12px;line-height:1.4;margin:0 0 6px;max-height:20%;flex-shrink:0}.live-bottom{padding-top:5px}.card-actions button{min-height:30px;padding:5px 8px}
.middle-panel{position:fixed;top:30vh;top:30dvh;bottom:var(--composer-height);left:50%;transform:translateX(-50%);width:min(100%,820px);overflow:auto;overscroll-behavior-y:contain;padding:10px 18px 18px;scroll-padding:12px}
.live-controls{padding:4px 0 8px}.notice{margin-top:0;margin-bottom:10px}.hold-result{border:1px solid #d9e0cb;border-radius:18px;background:#fffef8;padding:14px 18px;margin-top:12px;min-height:170px}.hold-result .section-title{margin:0 0 12px}.hold-result .icon-button{width:36px;height:36px;font-size:18px}.hold-original{font-size:13px;line-height:1.7;color:#7c8980;white-space:pre-wrap;overflow-wrap:anywhere}.hold-translation{font-size:23px;line-height:1.5;color:var(--green);white-space:pre-wrap;overflow-wrap:anywhere}.composer{height:var(--composer-height);padding:12px 16px max(8px,env(safe-area-inset-bottom))}.composer-caption{margin-bottom:8px}.hold-button{min-height:76px;padding:14px 10px}.footer-note{margin-top:8px}.history-section .section-title{margin-top:18px}
@media(max-height:550px){.live-card{padding-top:6px}.live-top{font-size:10px}.translation{font-size:19px;margin:4px 0}.original{display:none}.live-bottom{padding-top:2px}.app-shell{--composer-height:calc(125px + env(safe-area-inset-bottom))}.hold-button{min-height:60px;padding:8px}.footer-note{display:none}}

.live-card .notice{flex-shrink:0;background:transparent;color:#e4d8b1;border:0;border-radius:0;padding:5px 0 0;margin:0;font-size:11px;line-height:1.4;max-height:3.2em;overflow:auto}.auto-direction{font-size:12px;color:#61765e}.live-controls{gap:8px}

.live-card{padding-bottom:8px}.live-card .live-controls{position:absolute;right:16px;bottom:8px;padding:0}.live-card .live-button{min-height:32px;padding:6px 9px;border-radius:8px;font-size:11px}.live-card .mic-row{position:absolute;right:130px;bottom:8px}.live-card .mic-row button{color:#e7edcf;font-size:11px;min-height:32px;padding:5px 7px}.live-card .meter{position:absolute;left:20px;right:20px;bottom:0;height:3px;margin:0}.live-card .live-bottom{margin-bottom:38px}.live-card .translation{margin-top:6px}.middle-panel{padding:0 14px 10px;display:flex;flex-direction:column;overflow:hidden}.history-section{flex:1;min-height:0;display:flex;flex-direction:column}.history-section .section-title{flex-shrink:0;margin:0;padding:10px 3px;border-bottom:1px solid var(--line)}.history-tools{display:flex;gap:5px;align-items:center}.history-tools .icon-button{width:34px;height:34px;font-size:18px}#history{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:12px 0 0;scrollbar-width:thin}.entry{padding:16px;margin-bottom:10px}.entry-translation{font-size:22px;line-height:1.6}.entry-original{font-size:14px}.empty-state{padding-top:45px}.middle-panel audio,.middle-panel .small-note{flex-shrink:0}@media(max-height:550px){.live-card .live-bottom{margin-bottom:34px}.live-card .original,.live-card #resultLanguage{display:none}.live-card .live-bottom{position:absolute;left:10px;bottom:6px;margin:0;border:0}.live-card .translation{margin-bottom:34px}.card-actions button{min-height:28px}.live-card .mic-row{right:125px}.live-card .notice{max-height:1.5em}.history-section .section-title{padding:3px}}