/* Kandan ai — shared product palette: #3368A0 #66A3BF #C8DFDB #F2EFE7 */
:root{font-family:Inter,"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;color:#22364a;background:#f6f7f7;font-synthesis:none;--blue:#3368a0;--sky:#66a3bf;--mint:#c8dfdb;--cream:#f2efe7;--muted:#5f7180;--line:#dde4e9;--surface:#fff}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer;transition:background .16s,box-shadow .16s}button:disabled{cursor:not-allowed;opacity:.48}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #66a3bf;outline-offset:3px}[hidden]{display:none!important}button:active{transform:translateY(1px)}a{color:var(--blue)}
.topbar{height:76px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(28px,calc((100vw - 1240px)/2));gap:20px}.brand{display:flex;align-items:center;gap:10px;color:#243a50;text-decoration:none;font-size:23px;font-weight:700;letter-spacing:-.8px;flex-shrink:0}.brand svg{width:36px;height:36px;fill:var(--blue)}.brand svg path{fill:none;stroke:white;stroke-width:2;stroke-linecap:round}.brand strong{font-weight:720}.brand .brand-ai{font-size:14px;font-weight:600;letter-spacing:0;color:var(--blue);margin-left:5px}.brand>span{margin-left:10px;padding-left:20px;border-left:1px solid var(--line);font-size:13px;letter-spacing:0;font-weight:500;color:var(--muted)}.topbar-tools{display:flex;align-items:center;gap:14px}.topbar-tools select{width:auto;max-width:160px;margin:0;padding:8px 30px 8px 12px;font-size:12px}.prototype{font-size:11px;border:1px solid #b8d4ce;border-radius:5px;padding:6px 10px;display:flex;align-items:center;gap:6px;color:#365d59;background:#eff6f4;white-space:nowrap}.prototype i{width:5px;height:5px;display:inline-block;border-radius:50%;background:#4d8074}
main{max-width:1296px;margin:auto;padding:34px 28px 0}.page-heading{display:flex;justify-content:space-between;align-items:center;margin:0 0 25px;gap:24px}.eyebrow{font-size:11px;font-weight:650;letter-spacing:1.3px;margin:0 0 10px;color:var(--blue)}h1{font-size:29px;letter-spacing:-.7px;line-height:1.4;margin:0 0 9px;font-weight:700}.intro{font-size:13px;color:var(--muted);margin:0;line-height:1.8}.private-note{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted);padding:10px 13px;border:1px solid var(--line);background:#fff;border-radius:7px;flex-shrink:0}.shield{font-size:22px;color:var(--sky)}
.auth-panel{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 22px;margin-bottom:22px;background:#edf3f8;border:1px solid #cddce9;border-left:3px solid var(--blue);border-radius:8px}.auth-panel.authenticated{background:#eff6f4;border-color:#c0d8d2;border-left-color:#598e83}.auth-copy{min-width:0}.auth-copy h2{font-size:14px;margin:0 0 6px;font-weight:650}.auth-copy p{font-size:12px;line-height:1.75;color:#566c7d;margin:0}.auth-copy #auth-status{font-size:11px;color:var(--blue);margin-top:4px}.auth-actions{display:flex;gap:8px;flex-wrap:wrap;flex-shrink:0}.line-login{border:1px solid var(--blue);border-radius:6px;background:var(--blue);color:white;font-size:13px;font-weight:600;padding:11px 19px}.line-login:hover{background:#285887}
.workspace{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(340px,1fr);gap:22px}.call-panel,.transcript-panel{background:white;border:1px solid var(--line);border-radius:10px;overflow:hidden;min-width:0;box-shadow:0 2px 5px #22364a03}.call-panel{display:flex;flex-direction:column;min-height:650px}.panel-top{padding:18px 22px;display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted);border-bottom:1px solid #e8edf0;background:#fbfcfd}.status{display:flex;align-items:center;gap:8px;color:#586f81}.status:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--sky)}.status.connected:before{background:#548b7f;box-shadow:0 0 0 3px #c8dfdb60}#timer{font-variant-numeric:tabular-nums;letter-spacing:1px;color:#607688}.setup{margin:auto;width:min(100%,454px);padding:26px 28px 30px}.setup-symbol{background:#edf3f8;color:var(--blue);width:46px;height:46px;display:grid;place-items:center;border-radius:10px;margin:0 auto 16px}.setup-symbol svg{width:25px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}.setup h2{font-size:20px;text-align:center;font-weight:650;margin:0 0 8px;letter-spacing:-.3px}.setup>p{text-align:center;font-size:12px;color:var(--muted);line-height:1.8;margin:0 0 25px}
label{font-size:12px;display:block;font-weight:550;color:#425c70;margin:0 0 7px}input,select{width:100%;padding:11px 12px;border:1px solid #cfd9e0;border-radius:6px;color:#2f485e;background:#fff;font-size:13px;min-height:42px}input::placeholder{color:#7e8e9b}input:hover,select:hover{border-color:#9bb6c7}select{margin-bottom:17px}#name{margin-bottom:17px}#access-field{margin-bottom:16px}.language-pair{display:grid;grid-template-columns:1fr 1fr;gap:13px}.language-pair:has(#target-field[hidden]){grid-template-columns:1fr}.text-only-option{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:400;margin:0 0 18px;line-height:1.6}.text-only-option input{width:15px;height:15px;min-height:0;margin:0;accent-color:var(--blue);flex-shrink:0}.primary{width:100%;padding:13px 17px;border:1px solid var(--blue);border-radius:6px;background:var(--blue);color:white;font-size:13px;font-weight:600;text-align:center;box-shadow:0 2px 3px #3368a01a}.primary:hover{background:#285887}.setup .permission-note{font-size:11px;margin:13px 0 0;color:var(--muted)}.try-panel{border-top:1px solid var(--line);margin-top:23px;padding-top:16px;font-size:12px;color:#48637b}.try-panel summary{cursor:pointer;font-weight:600}.try-panel p{font-size:11px;line-height:1.8}.try-panel form{display:flex;gap:8px;margin-top:12px}.try-panel form input{font-size:12px;min-width:0}.try-panel audio{width:100%;margin-top:8px}.try-panel #demo-original{color:var(--muted);overflow-wrap:anywhere}.try-panel #demo-translation{color:#2d4c68;font-size:13px;overflow-wrap:anywhere}#demo-status{min-height:18px}
.call{padding:28px 24px;margin:auto 0;width:100%}.participants{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:25px}.participant{position:relative;text-align:center;width:44%;padding:24px 10px 20px;border:1px solid #dbe5ec;border-radius:9px;background:#f5f8fb;min-height:242px}.participant.peer{background:#f0f6f4;border-color:#c8dfdb}.participant-tag{position:absolute;top:12px;left:13px;font-size:10px;color:#617a8e}.avatar{width:66px;height:66px;margin:16px auto;border-radius:50%;display:grid;place-items:center;background:#dae7f0;color:var(--blue);font-size:26px;font-weight:600;border:4px solid #e9f0f6}.peer .avatar{background:#c8dfdb;color:#38665e;border-color:#e3efeb}.participant h2{font-size:16px;margin:0 0 7px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.participant p{font-size:11px;color:var(--muted);margin:0 0 17px}.participant-state{font-size:11px;color:#5a7487}.bridge{color:var(--sky);font-size:22px}.meter{height:4px;background:#dde7ef;max-width:80px;margin:0 auto 12px;border-radius:4px;overflow:hidden}.meter span{display:block;height:100%;width:0;background:var(--blue);transition:width .08s}.wave{height:4px;display:flex;justify-content:center;gap:3px;margin-bottom:12px;align-items:center}.wave i{height:3px;width:3px;border-radius:2px;background:#66a3bf}.wave.playing i{animation:pulse .6s infinite alternate}.wave.playing i:nth-child(2n){animation-delay:.2s}.wave.playing i:nth-child(3){animation-delay:.4s}@keyframes pulse{to{height:17px}}.invite{padding:13px 14px;background:#f5f8fb;border:1px solid #dce6ee;border-radius:7px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.invite>div{min-width:0;flex:1;flex-basis:150px}.invite small{font-size:10px;color:var(--muted);display:block;margin-bottom:5px}.invite span{display:block;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:11px;color:var(--blue)}.soft-button{border:1px solid #cbd9e3;background:#fff;border-radius:6px;padding:9px 12px;color:#365c7d;font-size:11px;white-space:nowrap;min-height:35px}.soft-button:hover{background:#edf3f8;border-color:#aac2d3}.call-controls{display:flex;justify-content:center;gap:17px;margin-top:27px}.round-control{background:none;border:0;font-size:10px;color:#526d83;min-width:62px;max-width:90px;padding:0;white-space:normal;line-height:1.6}.round-control>span{width:42px;height:42px;border-radius:9px;background:#fff;border:1px solid #d5e0e8;display:grid;place-items:center;margin:0 auto 8px;font-size:21px;color:#406483}.round-control[aria-pressed=true]>span{background:#dce8f1}.round-control.end>span{background:#fff1ef;border-color:#eed6d1;color:#ad5148;font-size:27px}.round-control b,.toggle b{font:inherit}.call-footer{border-top:1px solid #e4ebef;display:flex;justify-content:space-between;flex-wrap:wrap;padding:14px 21px;font-size:10px;color:#607889;gap:10px;margin-top:auto;background:#fbfcfd}.call-footer span{overflow-wrap:anywhere}
.transcript-panel{display:flex;flex-direction:column;height:650px}.transcript-heading{height:54px;flex-shrink:0;border-bottom:1px solid #e8edf0;padding:0 21px;display:flex;align-items:center;justify-content:space-between;background:#fbfcfd}.transcript-heading>div{display:flex;align-items:center;gap:9px}.transcript-heading h2{font-size:13px;font-weight:600;margin:0}.caption-icon{color:var(--blue);font-size:23px;line-height:1}#message-count{font-size:10px;color:#5c758a;border:1px solid #dce6ed;border-radius:4px;padding:4px 7px;background:white}.transcript{flex:1;overflow-y:auto;min-height:0;padding:21px;scroll-behavior:smooth}.empty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:0 12px 12px}.empty>div{width:54px;height:54px;border:1px solid #dfebef;background:#f4f8fa;border-radius:11px;display:grid;place-items:center;margin-bottom:20px}.empty svg{width:30px;fill:none;stroke:#77a0b7;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.empty h3{font-size:15px;font-weight:600;color:#506c83;margin:0 0 10px}.empty p{font-size:12px;color:var(--muted);line-height:1.9;margin:0 0 26px;max-width:260px}.empty>span{font-size:10px;color:#6f8799;letter-spacing:.4px;padding:7px 10px;background:#f2f6f8;border-radius:5px}.text-form{padding:14px;border-top:1px solid #e8edf0;display:flex;gap:8px}.text-form input{background:#f6f8fa;font-size:12px;min-width:0;border-color:#e0e7ed}.text-form button{border:0;border-radius:6px;background:var(--blue);color:white;font-size:21px;width:40px;flex-shrink:0}.caption{border-bottom:1px solid #e8edf0;padding:0 0 20px;margin-bottom:20px}.caption:last-child{border:0;margin:0}.caption-head{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:#748c9c;margin-bottom:12px}.caption-name{color:var(--blue);font-weight:600}.caption-label{font-size:10px;color:#697e8d;margin:0 0 5px}.caption-original{font-size:12px;color:#667c8d;line-height:1.8;margin:0 0 12px;white-space:pre-wrap;overflow-wrap:anywhere}.caption-translation{font-size:15px;font-weight:500;line-height:1.8;margin:0 0 12px;color:#284962;white-space:pre-wrap;overflow-wrap:anywhere}.caption-bottom{display:flex;align-items:start;justify-content:space-between;font-size:10px;color:#6b8394;gap:8px;flex-wrap:wrap}.caption-progress{line-height:1.7}.replay{border:1px solid #d5e2eb;background:#f3f7fa;border-radius:4px;padding:5px 8px;color:var(--blue);font-size:10px}.caption-error{color:#a65143!important}
.quota-status{font-size:11px;color:#597386;text-align:right;min-height:14px;margin:12px 2px}.settings{background:#fff;border:1px solid var(--line);border-radius:9px;margin-top:18px;padding:21px 23px;display:flex;align-items:center;gap:22px;flex-wrap:wrap}.settings>div{margin-right:auto}.settings h2{font-size:13px;font-weight:600;margin:0 0 6px}.settings p{font-size:11px;color:var(--muted);margin:0;line-height:1.8}.toggle{font-size:11px;font-weight:400;display:flex;align-items:center;gap:8px;cursor:pointer;margin:0;line-height:1.7}.toggle input{position:absolute;opacity:0;width:1px;min-height:0}.toggle>span{width:31px;height:18px;border-radius:10px;background:#cbd5de;position:relative;flex-shrink:0}.toggle>span:after{content:"";width:12px;height:12px;background:#fff;border-radius:50%;position:absolute;top:3px;left:3px;transition:transform .15s}.toggle input:checked+span{background:var(--blue)}.toggle input:checked+span:after{transform:translateX(13px)}.toggle input:focus-visible+span{outline:3px solid var(--sky);outline-offset:3px}.toggle:has(input:disabled){opacity:.55;cursor:default}.settings .original-audio-help{flex-basis:100%;width:100%;display:flex;align-items:center;gap:14px;border-top:1px solid var(--line);padding-top:14px;margin:0}.original-audio-help p{flex:1;line-height:1.8}
.advanced{font-size:11px;color:#60798d;margin-top:18px}.advanced summary{cursor:pointer;padding:8px 2px}.advanced>div{padding:12px 15px;max-width:800px;line-height:1.9}.advanced input{max-width:230px;display:block;padding:0;accent-color:var(--blue)}.advanced p{margin:10px 0}.notice{background:#faf4e8;border:1px solid #e6d9be;border-radius:7px;padding:12px 16px;font-size:12px;line-height:1.7;color:#7b6132;margin-bottom:18px;overflow-wrap:anywhere}.browser-help{padding:14px 17px;background:#f2f7fa;border:1px solid #d3e1ea;border-radius:7px;font-size:12px;margin-bottom:18px;line-height:1.8}.browser-help p{margin:0 0 8px}.feedback-panel{background:#fff;border:1px solid var(--line);border-radius:9px;padding:20px 23px;margin-top:20px}.feedback-panel h2{font-size:14px;font-weight:600;margin:0 0 18px}.feedback-panel form{display:flex;gap:16px;align-items:end}.feedback-panel form>div{flex:1}.feedback-panel select{margin:0;font-size:12px}.feedback-panel button{min-height:42px}.feedback-panel p{font-size:12px;color:var(--blue)}.language-request{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:11px;color:#60788c;margin-top:18px}.language-request label{margin:0}.language-request select{max-width:210px;padding:8px 10px;font-size:12px;margin:0;min-height:35px}.language-request span{font-size:11px}footer{display:flex;justify-content:space-between;color:#637c90;font-size:12px;border-top:1px solid var(--line);margin-top:28px;padding:22px 0 27px;font-weight:600;gap:16px}footer a{text-decoration:none;color:var(--blue)}footer span{font-size:10px;font-weight:400;letter-spacing:.3px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1450px){main{padding-top:42px}.call-panel{min-height:670px}.transcript-panel{height:670px}}
@media(max-width:1050px){.private-note{display:none}.settings>div:first-child{width:100%}.settings{gap:18px}.workspace{grid-template-columns:minmax(0,1.2fr) minmax(300px,1fr)}.call{padding:24px 16px}.call-controls{gap:10px}.participant{padding-inline:5px}.call-footer{padding-inline:16px}}
@media(max-width:760px){.topbar{height:66px;padding:0 18px;gap:10px}.brand{font-size:21px;gap:8px}.brand svg{width:31px;height:31px}.brand>span{display:none}.brand .brand-ai{font-size:12px}.topbar-tools{gap:7px}.topbar-tools select{max-width:112px;font-size:11px;padding:7px;min-height:33px}.prototype{font-size:10px;padding:6px 8px}.prototype i{display:none}main{padding:25px 16px 0}h1{font-size:25px;line-height:1.45}.intro{font-size:12px;max-width:35em}.eyebrow{font-size:10px}.page-heading{margin-bottom:20px}.auth-panel{align-items:start;flex-direction:column;padding:16px;gap:14px;margin-bottom:18px}.auth-actions{width:100%}.auth-actions .line-login{flex:1}.auth-copy p{font-size:11px}.workspace{grid-template-columns:1fr;gap:18px}.setup{padding:24px 22px 27px}.call-panel{min-height:610px}.transcript-panel{height:450px}.panel-top{padding:16px 20px}.participant{min-height:225px}.participants{margin-bottom:22px}.call-controls{gap:8px}.round-control{min-width:58px;font-size:10px}.invite>div{flex-basis:100%}.invite button{flex:1}.settings{padding:18px;gap:16px}.settings .original-audio-help{align-items:start;flex-wrap:wrap}.original-audio-help p{flex-basis:100%}.language-pair{gap:10px}.language-pair label{min-height:30px;display:flex;align-items:end}.feedback-panel{padding:18px}.feedback-panel form{flex-wrap:wrap;gap:13px}.feedback-panel form>div{flex-basis:100%}.feedback-panel button{width:100%}.language-request label{width:100%}.language-request select{max-width:calc(100% - 125px);flex:1;min-width:100px}.call-footer{font-size:9px}footer{margin-top:23px}}
@media(max-width:360px){.prototype{display:none}.brand{font-size:20px}.call{padding-inline:12px}.round-control{min-width:53px}.topbar-tools select{max-width:105px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}