:root{color-scheme:light;--bg:#ffffff;--panel:#f1f5f3;--fg:#152722;--sub:#526359;--line:#e5ede8;--green:#087c50;--soft:#e2f4e9;--ink:#075c3c;--in:#ffffff;--out:#d9fdd3;--chat:#efeae2;--primary-text:#ffffff;--read:#0078a4;--error:#a31a1a;--switch-thumb:#ffffff;--translation-line:#163b2f18;--composer:#efeae2;--compose-pill:#ffffff;--chat-pattern:url("/static/d32328176fb67af022eb2d81d6c87506b9ad9ff5bdfa7a385d252f3c244640d6.svg");--scale:1;font-family:Roboto,"Noto Sans",system-ui,"Microsoft YaHei",sans-serif,"Noto Color Emoji","Segoe UI Emoji";background:var(--bg);color:var(--fg);font-size:calc(16px * var(--scale))}
:root[data-theme="dark"]{color-scheme:dark;--bg:#0b1014;--panel:#202a2f;--fg:#e9edef;--sub:#a9b4bc;--line:#2b353b;--green:#21c063;--soft:#143b30;--ink:#c1e9d5;--in:#202c33;--out:#144d37;--chat:#0b1014;--primary-text:#072116;--read:#74d2f6;--error:#ffb4ab;--switch-thumb:#072116;--translation-line:#ffffff24;--composer:#171f24;--compose-pill:#202a2f;--chat-pattern:url("/static/2b351dfa87db1610a331b46cdbc8f3172a31563f8288d9ee3d6847bcbbaa0ced.svg");}
@media(prefers-color-scheme:dark){:root:not([data-theme]){color-scheme:dark;--bg:#0b1014;--panel:#202a2f;--fg:#e9edef;--sub:#a9b4bc;--line:#2b353b;--green:#21c063;--soft:#143b30;--ink:#c1e9d5;--in:#202c33;--out:#144d37;--chat:#0b1014;--primary-text:#072116;--read:#74d2f6;--error:#ffb4ab;--switch-thumb:#072116;--translation-line:#ffffff24;--composer:#171f24;--compose-pill:#202a2f;--chat-pattern:url("/static/2b351dfa87db1610a331b46cdbc8f3172a31563f8288d9ee3d6847bcbbaa0ced.svg");}}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:default}button{border:1px solid var(--line);border-radius:11px;background:var(--bg);color:var(--fg);padding:10px 14px}input,textarea,select{background:var(--panel);color:var(--fg);border:1px solid var(--line);border-radius:10px;padding:10px;min-width:0}input,textarea{font-size:max(16px,1rem)}textarea{resize:none}select{font-size:.85rem}strong{font-weight:600}[hidden]{display:none!important}.primary{background:var(--green);color:var(--primary-text);border-color:var(--green);font-weight:600}.icon{border:0;padding:0;width:44px;height:44px;flex:none;font-size:28px;background:transparent}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.login{max-width:400px;margin:50px auto;padding:24px}.login h1{margin-bottom:8px}.login p,.login small{color:var(--sub);line-height:1.65}.login-mark{width:66px;height:66px;background:var(--soft);color:var(--ink);display:grid;place-items:center;border-radius:20px;font-size:32px}.login form{display:grid;gap:18px;margin:28px 0 18px}.login label{display:grid;gap:7px}.appbar{display:flex;gap:8px;align-items:center;padding:8px 12px;min-height:65px;flex:none;background:var(--bg)}.appbar h1{font-size:27px;letter-spacing:-1px;flex:1;margin:0}.appbar h2{font-size:19px;margin:0}.chatbar{border-bottom:1px solid var(--line);padding-left:3px;gap:6px}.heading{flex:1;min-width:0}.heading h2{font-size:1rem;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.heading p{margin:4px 0 0;font-size:.75rem;color:var(--sub)}.avatar{display:grid;place-items:center;width:45px;height:45px;flex:none;border-radius:50%;background:var(--soft);color:var(--ink);font-size:19px;font-weight:600}.chatbar .avatar{width:36px;height:36px;font-size:16px}#workspace{height:100dvh;height:var(--app-height,100dvh);display:grid;grid-template-columns:350px minmax(0,1fr);max-width:1400px;margin:auto;overflow:hidden}#sidebar{display:flex;flex-direction:column;min-width:0;border-right:1px solid var(--line);overflow:hidden}.search{display:flex;gap:10px;align-items:center;border-radius:24px;background:var(--panel);margin:2px 14px 14px;padding:0 15px;color:var(--sub)}.search>span{font-size:24px}.search input{border:0;background:none;width:100%;padding:12px 0}.search input::placeholder{color:var(--sub)}.filters{display:flex;gap:7px;margin:0 14px 10px;flex:none}.filters button{padding:7px 12px;border-radius:22px;font-size:.85rem;min-height:36px;color:var(--sub)}.filters button[aria-pressed=true]{background:var(--soft);border-color:var(--soft);color:var(--ink)}#chats{overflow-y:auto;flex:1;padding:0 5px}.chat-item{display:flex;align-items:center;gap:12px;width:100%;border:0;text-align:left;border-radius:12px;padding:15px 10px;min-height:82px}.chat-item.active{background:var(--panel)}.chat-copy{flex:1;min-width:0}.chat-top{display:flex;gap:7px;align-items:baseline;margin-bottom:6px}.chat-top strong{flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:1rem}.chat-top small{font-size:.72rem;color:var(--sub);white-space:nowrap}.chat-copy>small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--sub);font-size:.85rem}.unread{background:var(--green);color:var(--primary-text);border-radius:20px;min-width:20px;padding:2px 5px;font-size:12px}.favorite-mark{color:var(--sub)}.empty{color:var(--sub);text-align:center;padding:28px 18px;font-size:.9rem;line-height:1.8}#statusBar,#deliveryNotice{padding:10px 15px;background:var(--soft);font-size:.8rem;line-height:1.5}#statusBar{color:var(--ink)}#deliveryNotice button{margin-top:8px;margin-left:5px;font-size:.8rem}#conversation{display:flex;flex-direction:column;min-height:0;min-width:0}#messages{flex:1;min-height:0;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;background:var(--chat)}.bubble{max-width:min(90%,560px);padding:11px 13px 7px;border-radius:4px 15px 15px;background:var(--in);align-self:flex-start;overflow-wrap:anywhere}.bubble.mine{align-self:flex-end;background:var(--out);border-radius:15px 4px 15px 15px}.original{font-size:1rem;line-height:1.5}.translation{border-top:1px solid var(--line);margin-top:7px;padding-top:7px;color:var(--ink);font-size:.9rem;line-height:1.5}.quote{padding:7px;background:var(--panel);border-left:3px solid var(--green);font-size:.8rem;margin-bottom:7px;color:var(--sub)}.media{font-size:.85rem;color:var(--sub);line-height:1.5;margin-bottom:5px}.time{font-size:.7rem;color:var(--sub);text-align:right;margin-top:6px}.receipt{margin-left:7px}.receipt.read{color:var(--read)}.contrast-off .translation{display:none}#composer{padding:10px 12px 8px;border-top:1px solid var(--line);background:var(--bg);flex:none;max-height:57%;overflow-y:auto}.language-line{display:flex;gap:8px;align-items:center;color:var(--sub);font-size:.8rem;margin-bottom:8px}.language-line select{max-width:170px;padding:6px 8px}.language-line>span{margin-left:auto;font-size:.72rem;white-space:nowrap}#replyForm{display:flex;gap:8px;align-items:center}#replyText{width:100%;height:58px;min-height:50px;max-height:110px;padding:10px 12px;line-height:1.4}.translate-button{color:var(--green);font-size:19px;flex:none;width:44px;height:50px;padding:0}#replyResult{background:var(--soft);padding:9px 10px;border-radius:11px;margin-top:8px}.preview-heading{display:flex;justify-content:space-between;color:var(--ink);font-size:.72rem;margin-bottom:4px}#replyOut{background:none;border:0;width:100%;padding:2px 0;font-size:.9rem;line-height:1.45;min-height:44px;max-height:110px}.reply-row{display:flex;gap:8px;margin-top:7px}.reply-row .primary{flex:1}.reply-row button{min-height:42px;font-size:.9rem}.status-line{font-size:.73rem;color:var(--sub);line-height:1.5;margin-top:5px}.status-line button{font-size:inherit;padding:3px 8px}.menu{position:fixed;right:12px;top:58px;z-index:40;border:1px solid var(--line);background:var(--bg);border-radius:13px;box-shadow:0 8px 25px #0003;padding:6px;min-width:170px}.menu button{display:block;border:0;width:100%;text-align:left}#settings{position:fixed;inset:0;z-index:50;display:flex;flex-direction:column;background:var(--bg);max-width:700px;margin:auto;border-inline:1px solid var(--line)}.settings-scroll{overflow-y:auto;flex:1;padding-bottom:20px}.profile{display:flex;gap:13px;align-items:center;padding:16px 20px 22px;border-bottom:1px solid var(--line)}.profile small{display:block;color:var(--sub);margin-top:5px;font-size:.8rem}h3{color:var(--green);font-size:.8rem;font-weight:600;margin:20px 20px 6px}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 20px;min-height:54px}.setting-row strong{font-size:.9rem;font-weight:500;display:block}.setting-row small{display:block;font-size:.72rem;color:var(--sub);margin-top:4px}.setting-row select{border:0;background:transparent;max-width:150px;text-align:right;color:var(--sub);padding:5px 0}.setting-row input[type=checkbox]{appearance:none;width:37px;height:23px;flex:none;border-radius:20px;padding:0;position:relative;background:var(--line);border:1px solid var(--sub);margin:0}.setting-row input:before{content:"";position:absolute;top:3px;left:3px;width:15px;height:15px;border-radius:50%;background:var(--sub)}.setting-row input:checked{background:var(--green);border-color:var(--green)}.setting-row input:checked:before{left:17px;background:var(--switch-thumb)}details{margin:0 20px;border-bottom:1px solid var(--line);padding:15px 0}summary{cursor:pointer;font-size:.9rem}details p{font-size:.85rem;line-height:1.7;color:var(--sub)}details button{font-size:.85rem}#settingsNote{padding:0 20px;color:var(--sub);font-size:.8rem}#loginError{color:var(--error)}@media(max-width:700px){#workspace{grid-template-columns:1fr}#conversation{display:none}#workspace.in-chat #sidebar{display:none}#workspace.in-chat #conversation{display:flex}#sidebar{border:0}.language-line select{max-width:145px}#messages{padding:12px}.appbar{min-height:60px}}@media(max-width:350px){.language-line>span{display:none}.filters{gap:5px}.filters button{padding:7px 10px}.setting-row{padding-inline:15px;gap:8px}.setting-row select{max-width:125px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

.contact-heading{display:flex;align-items:center;gap:10px;flex:1;min-width:0;text-align:left;padding:3px 0;border:0;border-radius:0;background:none}.contact-heading:hover{background:none}.heading{display:block}.heading>span{display:block;color:var(--sub);font-size:.69rem;margin-top:3px}.chatbar .icon{width:36px}.chatbar{min-height:60px;padding-right:8px}.chatbar .heading h2{font-size:1.03rem}
#messages{background-color:var(--chat);background-image:var(--chat-pattern);background-size:240px 240px;gap:5px;padding:16px 20px 12px}.bubble{position:relative;padding:7px 9px 5px;border-radius:8px;max-width:min(86%,560px);box-shadow:0 1px 1px #00000013;line-height:1.4;white-space:pre-wrap}.bubble.mine{border-radius:8px}.bubble:before{position:absolute;content:"";top:0;left:-7px;border-top:9px solid var(--in);border-left:8px solid transparent}.bubble.mine:before{left:auto;right:-7px;border-left:0;border-right:8px solid transparent;border-top-color:var(--out)}.original{font-size:1rem;line-height:1.45;unicode-bidi:plaintext}.time{float:right;display:inline-flex;align-items:center;gap:3px;margin:7px 0 -1px 11px;font-size:.72rem;line-height:1;white-space:nowrap}.bubble:after{content:"";display:table;clear:both}.receipt{margin-left:2px;letter-spacing:-3px;padding-right:3px;font-size:.86rem}.translation{white-space:pre-wrap;border-top:1px solid var(--translation-line);margin-top:5px;padding-top:5px;font-size:.9rem;line-height:1.45}.date-chip{align-self:center;background:var(--bg);padding:5px 10px;border-radius:8px;box-shadow:0 1px 2px #0001;color:var(--sub);font-size:.72rem;margin:7px 0 11px}.media{white-space:normal}
#composer{border:0;background:var(--composer);padding:6px 8px 5px;max-height:55%}.language-line{margin:0 8px 5px;font-size:.73rem;gap:6px}.language-line select{border:0;background:transparent;padding:4px 1px}.language-line>span{font-size:.66rem}#replyForm{gap:7px;align-items:flex-end}.compose-pill{flex:1;min-width:0;display:flex;align-items:flex-end;gap:2px;background:var(--compose-pill);border-radius:26px;padding:3px 4px}.compose-emoji{flex:none;border:0;background:none;padding:0;width:39px;height:43px;font-size:29px;color:var(--sub);border-radius:50%}#replyText{border:0;border-radius:0;background:none;padding:11px 0 9px;height:44px;min-height:44px;max-height:100px;line-height:1.4;outline-offset:-1px}.translate-button{border:0;background:none;font-size:18px;width:39px;height:43px;border-radius:50%}.send-circle{width:49px;height:49px;border-radius:50%;flex:none;padding:0;display:grid;place-items:center}.send-circle:disabled{opacity:.5}#replyResult{background:var(--bg);border-left:3px solid var(--green);border-radius:10px;padding:7px 10px;margin:0 4px 7px}.preview-heading{align-items:center;gap:8px;margin:0;font-size:.69rem}.preview-heading span:nth-child(2){margin-left:auto;color:var(--sub)}.preview-heading button{padding:3px 7px;font-size:.7rem;border:0;color:var(--green)}#replyOut{min-height:40px;max-height:96px;font-size:.94rem}.status-line{margin:4px 7px 0;font-size:.68rem}.status-line:has(#translationStatus:empty):has(#retry[hidden]){display:none}#emojiPicker{display:flex;gap:4px;padding:4px 8px 9px}#emojiPicker button{font-size:23px;padding:6px;border:0;border-radius:50%;background:var(--bg)}
.login .login-check{display:flex;align-items:center;gap:9px;margin:10px 0;font-size:.95rem}.login-check input{accent-color:var(--green);width:18px;height:18px;margin:0}#savedLoginHint{font-size:.78rem}.contact-mask{position:fixed;inset:0;z-index:60;background:#0006;display:grid;place-items:center;padding:25px}.contact-card{position:relative;width:min(100%,360px);padding:35px 24px 27px;background:var(--bg);border-radius:22px;text-align:center;overflow-wrap:anywhere}.contact-card .avatar{margin:auto;width:68px;height:68px;font-size:29px}.contact-card h2{font-size:1.2rem;margin:18px 0 12px}.contact-card p{font-size:.85rem;color:var(--sub);line-height:1.6}.contact-card>.icon{position:absolute;top:5px;right:5px}.contact-card #detailReference{font-size:.73rem}
@media(max-width:700px){#messages{padding:12px 15px}.bubble{max-width:88%}.chatbar{min-height:59px}.heading>span{font-size:.66rem}}
.avatar{overflow:hidden}.avatar img{display:block;width:100%;height:100%;border-radius:50%;object-fit:cover}.chat-copy>.chat-preview{display:flex;gap:5px;align-items:center}.chat-preview>span:last-child{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.chat-preview .receipt{flex:none;font-size:.82rem}.time .receipt{letter-spacing:0;padding-right:0;font-size:.65rem}.receipt.failed{color:var(--error)}#detailReference{white-space:pre-line}


.ai-open{margin-left:auto;white-space:nowrap;border:1px solid var(--line);border-radius:18px;background:var(--bg);color:var(--green);padding:5px 10px;font-size:.76rem}.ai-mask{position:fixed;inset:0;z-index:75;background:#0007;display:flex;align-items:flex-end;justify-content:center;padding:10px}.ai-panel{display:flex;flex-direction:column;width:min(100%,620px);max-height:calc(var(--app-height,100dvh) - 25px);border-radius:20px;background:var(--bg);color:var(--fg);overflow:hidden;box-shadow:0 12px 48px #0003}.ai-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 17px;border-bottom:1px solid var(--line)}.ai-header h2{font-size:1.05rem;margin:0}.ai-header button{padding:6px 10px}.ai-scroll{overflow:auto;padding:0 17px 18px}.ai-help,.ai-context,#aiNotice,.ai-checks{font-size:.78rem;line-height:1.55;overflow-wrap:anywhere}.ai-help{color:var(--sub)}.ai-context{padding:11px;border-radius:10px;background:var(--soft)}#aiForm{display:grid;gap:12px}#aiForm label{display:grid;gap:6px;font-size:.86rem}#aiForm select,#aiForm textarea{width:100%;max-width:100%;box-sizing:border-box;font:inherit;padding:10px;background:var(--bg);color:var(--fg);border:1px solid var(--line);border-radius:9px}#aiGenerate{justify-self:start}.ai-candidate{margin:14px 0;padding:13px;border:1px solid var(--line);border-radius:13px;overflow-wrap:anywhere}.ai-candidate h3{margin:0 0 10px;font-size:.96rem}.ai-candidate small{color:var(--sub);font-size:.7rem}.ai-candidate p{white-space:pre-wrap;line-height:1.55;font-size:.9rem}.ai-foreign{border-top:1px solid var(--line);padding-top:8px}.ai-checks{color:var(--sub)}.ai-candidate button{font-size:.8rem;padding:8px 12px}.ai-summary{font-size:.85rem;color:var(--sub)}

body{background:var(--bg);color:var(--fg)}input::placeholder,textarea::placeholder{color:var(--sub);opacity:1}select option{background:var(--panel);color:var(--fg)}a{color:var(--green)}input,textarea{caret-color:var(--fg)}:focus-visible{outline:2px solid var(--green);outline-offset:2px}button:disabled{opacity:.65}.compose-emoji{display:grid;place-items:center}.compose-emoji svg{width:1.7rem;height:1.7rem}#emojiPicker{flex-wrap:wrap;border-radius:12px;background:var(--panel);margin-bottom:5px}#emojiPicker button{font-family:"Noto Color Emoji","Apple Color Emoji","Segoe UI Emoji",sans-serif;font-size:1.7rem;line-height:1.3;min-width:44px;min-height:44px;filter:none}#deliveryNotice{color:var(--ink)}

/* The composer already has a rounded shell and visible caret; touch focus stays quiet. */
#replyText:focus,#replyText:focus-visible{outline:none;box-shadow:none}

.startup{min-height:80dvh;display:grid;place-content:center;text-align:center;color:var(--sub);background:var(--bg)}.startup strong{font-size:2rem;color:var(--fg)}.startup[hidden]{display:none}

/* Presentation only: clicks, sending, login and navigation keep their existing handlers. */
:root{--feedback-press:#0c33200d;--feedback-shadow:0 3px 12px #08261916}
:root[data-theme="dark"]{--feedback-press:#ffffff10;--feedback-shadow:0 3px 12px #0005}
@media(prefers-color-scheme:dark){:root:not([data-theme]){--feedback-press:#ffffff10;--feedback-shadow:0 3px 12px #0005}}
button,summary,a[href]{-webkit-tap-highlight-color:transparent}
button,summary{transition:background-color 140ms ease,border-color 140ms ease,box-shadow 140ms ease,transform 110ms ease;transform-origin:center}
button{touch-action:manipulation}
summary{cursor:pointer;border-radius:8px}
@media(hover:hover) and (pointer:fine){
 button:enabled:hover{background:var(--panel);box-shadow:var(--feedback-shadow);transform:translateY(-1px)}
 button.primary:enabled:hover{background:var(--green)}
 .filters button[aria-pressed=true]:enabled:hover{background:var(--soft)}
 .chat-item:enabled:hover{background:var(--panel);box-shadow:inset 3px 0 var(--green);transform:none}
 .chat-item.active:enabled:hover{background:var(--soft)}
 summary:hover{background:var(--panel)}
 a[href]:hover{text-decoration-thickness:2px;text-underline-offset:3px}
}
button:enabled:active{transform:scale(.97);box-shadow:inset 0 0 0 100vmax var(--feedback-press);transition-duration:65ms}
.chat-item:enabled:active{transform:scale(.992)}
summary:active{background:var(--panel)}
.search,.compose-pill{transition:box-shadow 140ms ease}
.search:focus-within,.compose-pill:focus-within{box-shadow:inset 0 0 0 1px var(--line)}
.menu:not([hidden]){transform-origin:top right;animation:yiliao-menu-in 140ms ease-out}
.contact-mask:not([hidden]),.ai-mask:not([hidden]){animation:yiliao-fade-in 140ms ease-out}
.contact-mask:not([hidden]) .contact-card{animation:yiliao-panel-in 160ms ease-out}
.ai-mask:not([hidden]) .ai-panel{animation:yiliao-panel-in 180ms ease-out}
#emojiPicker:not([hidden]),#replyResult:not([hidden]){animation:yiliao-fade-in 120ms ease-out}
@keyframes yiliao-fade-in{from{opacity:0}to{opacity:1}}
@keyframes yiliao-menu-in{from{opacity:0;transform:translateY(-4px) scale(.98)}to{opacity:1;transform:none}}
@keyframes yiliao-panel-in{from{opacity:0;transform:translateY(8px) scale(.985)}to{opacity:1;transform:none}}
/* Closing remains immediate: hidden number/content must disappear at once. */
@media(prefers-reduced-motion:reduce){
 button,summary,.search,.compose-pill{transition:none!important;transform:none!important}
 .menu,.contact-mask,.contact-card,.ai-mask,.ai-panel,#emojiPicker,#replyResult{animation:none!important}
}

#settings details[open]>:not(summary){animation:yiliao-fade-in 120ms ease-out}
@media(prefers-reduced-motion:reduce){#settings details[open]>:not(summary){animation:none!important}}

#accountsView{position:fixed;inset:0;background:var(--bg);color:var(--fg);z-index:45;overflow:auto}#accountsView[hidden]{display:none}.account-scroll{max-width:620px;padding:18px;margin:auto}.team-help{color:var(--sub);line-height:1.65}.team-account,#pairPanel{border:1px solid #8885;border-radius:16px;padding:18px;margin:15px 0}.team-account p{margin:7px 0;color:var(--sub)}#accountsView button{padding:10px 18px;margin:7px 6px 0 0;border-radius:24px}#accountsView form{display:grid;gap:12px;margin:20px 0}#accountsView input{display:block;width:100%;padding:12px;border:1px solid #8886;border-radius:10px;background:var(--bg);color:var(--fg)}#pairQR{max-width:100%;height:auto;display:block;margin:14px auto}#pairQR[hidden]{display:none}#teamNote{color:var(--ink);white-space:pre-wrap}#teamLogout{margin:20px 0}#accountsView h2{font-size:20px}#accountsView .appbar{position:sticky;top:0;background:var(--bg)}
#currentAccount{background:var(--panel);color:var(--fg);border:1px solid var(--line);border-radius:18px;padding:6px 10px;min-height:36px;font-size:.76rem;max-width:132px;flex:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.appbar #currentAccount{margin:0}.team-account strong{font-size:1rem}
#accountsView .appbar .icon{padding:0;margin:0;border-radius:50%}.team-account p{overflow-wrap:anywhere}
.sticker-pending{width:128px;min-height:128px;display:grid;place-items:center}
.chat-sticker{display:block;width:128px;height:128px;object-fit:contain}
#contactRemark{display:grid;gap:8px;margin-top:14px;text-align:left}
#contactRemark[hidden]{display:none}
#remarkText{min-width:0;padding:9px 12px;border:1px solid var(--line);border-radius:9px;background:var(--bg);color:var(--fg);font:inherit}
#contactRemark button{justify-self:end;padding:7px 12px}
#remarkStatus:empty{display:none}