@charset "UTF-8";
:root{color-scheme:light;--brand:#3157df;--bg:#f4f3ef;--paper:#fff;--ink:#222b3a;--muted:#687182;--green:var(--brand);--green-soft:#edf1ff;--line:#e2e5ec;--accent:#f3ba76;--danger:#b0383c;--radius:20px;--shadow:0 4px 20px #1e293b04;font-family:Inter,"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.65}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}button{color:inherit}button,select{transition:background .18s,color .18s,box-shadow .18s}button:hover:not(:disabled){filter:brightness(.97)}a{color:inherit;text-decoration:none}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.035em}h1{font-size:34px;line-height:1.35;font-weight:650;margin-bottom:12px}h2{font-size:20px;font-weight:650;margin-bottom:12px}h3{font-size:16px}p{margin-bottom:14px}input,textarea,select{color:var(--ink)}label{display:block;font-size:13px;font-weight:550;margin-bottom:8px}input:not([type=checkbox]),textarea{width:100%;background:white;border:1px solid var(--line);border-radius:9px;padding:12px 14px;outline:none}input:focus,textarea:focus,select:focus-visible{border-color:#719785;box-shadow:0 0 0 3px #234b3d12}input[readonly]{background:#f5f7f2;color:#67746b}input[type=checkbox]{accent-color:var(--green);width:16px;height:16px;vertical-align:middle;margin-right:7px}textarea{resize:vertical}textarea::placeholder,input::placeholder{color:#99a198}select{background:transparent;border:none;outline:none;cursor:pointer}code{font-family:ui-monospace,"Cascadia Code",monospace;overflow-wrap:anywhere}[hidden]{display:none!important}:focus-visible{outline:3px solid #89a669;outline-offset:4px}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link{position:fixed;z-index:100;left:12px;top:-70px;background:white;padding:12px 18px;border-radius:8px}.skip-link:focus{top:12px}.muted{color:var(--muted)}.small{font-size:12px}.eyebrow{display:block;color:#758466;font-size:11px;font-weight:650;letter-spacing:.15em;margin-bottom:12px}.eyebrow.light{color:#c1d0b6}.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:18px;letter-spacing:.04em}.brand-mark{width:36px;height:36px;display:grid;place-items:center;border-radius:11px;background:var(--green);color:#f4f7ec}.brand-mark svg{width:21px;height:21px}.brand-light{color:#fafbed}.brand-light .brand-mark{background:#ffffff16;border:1px solid #ffffff20}.button{border:1px solid transparent;border-radius:9px;min-height:43px;padding:10px 18px;display:inline-flex;align-items:center;justify-content:center;gap:12px;font-size:13px;font-weight:600}.button svg{width:17px;height:17px}.primary{background:var(--green);color:white;box-shadow:0 3px 8px #234b3d12}.primary:hover:not(:disabled){background:#315e4d}.secondary{background:#fff;border-color:var(--line)}.subtle{background:transparent;color:#67776d}.compact{min-height:34px;padding:6px 11px;font-size:12px}.full{width:100%}.text-button{background:none;border:none;color:var(--green);font-size:12px;padding:4px 0}.icon-button{display:inline-grid;place-items:center;border:0;background:transparent;width:35px;height:35px;border-radius:8px;color:#879087}.icon-button:hover:not(:disabled){background:var(--green-soft);color:var(--green)}.icon-button svg{width:18px;height:18px}.notice{padding:15px 18px;background:#f0f1df;border:1px solid #e3e6c5;border-radius:11px;font-size:13px;margin-bottom:20px;color:#626a3a}.notice p{margin:8px 0}.notice small{display:block;margin-top:8px}.notice code{display:block;background:#ffffff80;padding:9px;border-radius:6px}.notice.danger{background:#fff1ed;border-color:#f0d7cd;color:var(--danger)}.connection-banner{background:#f8e7bc;text-align:center;padding:8px 15px;font-size:12px}.auth-shell{min-height:100svh;display:grid;grid-template-columns:minmax(360px,47%) 1fr}.auth-story{background:#234b3d;color:white;padding:44px 50px;display:flex;flex-direction:column;position:relative;overflow:hidden}.auth-story:after{content:"";width:650px;height:650px;position:absolute;border:1px solid #ffffff09;border-radius:50%;left:-160px;top:130px;pointer-events:none}.auth-story-content{margin:auto 0;padding:60px 0 20px;position:relative;z-index:1}.auth-story h1{font-size:51px;line-height:1.5;font-weight:550;letter-spacing:.06em}.auth-story-content>p{color:#c5d4ca;font-size:15px;line-height:2}.auth-foot{font-size:12px;color:#bbcec0;display:flex;gap:9px;align-items:center;margin:30px 0 0}.auth-foot svg{width:16px;height:16px}.story-art{height:180px;position:relative;margin-top:35px;max-width:350px}.art-tile{position:absolute;display:flex;justify-content:center;align-items:center;border-radius:24px;box-shadow:0 18px 30px #0b28182b}.art-language{left:15px;top:0;width:128px;height:128px;transform:rotate(-10deg);background:#dfe7be;color:#234b3d;font-family:Georgia,serif;font-size:34px;gap:6px}.art-language span{font-size:20px}.art-lines{left:162px;top:12px;width:90px;height:90px;background:#f0eee1;transform:rotate(10deg);flex-direction:column;gap:9px}.art-lines i{display:block;width:40px;height:3px;background:#96a68a;border-radius:4px}.art-lines i:last-child{width:24px;align-self:flex-start;margin-left:25px}.art-code{left:115px;top:102px;background:#456b56;width:78px;height:72px;transform:rotate(6deg);color:#dfe9cf;font-size:28px}.art-dot{position:absolute;width:15px;height:15px;border:1px solid #a2bd8c;transform:rotate(45deg);left:280px;top:130px}.auth-panel{display:flex;align-items:center;justify-content:center;flex-direction:column;padding:60px 32px 30px;min-height:100svh}.auth-card{width:100%;max-width:366px;margin:auto}.auth-card h2{font-size:30px;margin-bottom:10px}.auth-card>p.muted{margin-bottom:30px}.auth-card form>label{margin-top:20px}.auth-card .button[type=submit]{margin-top:22px}.password-wrap{position:relative}.password-wrap input{padding-right:45px}.password-toggle{position:absolute;right:6px;top:6px}.form-between{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:14px}.auth-disclaimer{padding-top:24px;margin-top:28px;border-top:1px solid var(--line);font-size:11px;color:#8b958b;display:flex;align-items:center;justify-content:center;gap:7px}.auth-disclaimer svg{width:13px;height:13px}.auth-bottom{font-size:11px;color:#9ba297;margin-top:35px}.app-shell{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100svh}.sidebar{background:#f2f4ed;border-right:1px solid var(--line);padding:32px 19px 0;display:flex;flex-direction:column;position:sticky;top:0;height:100svh}.sidebar .brand{padding:0 9px;font-size:16px;gap:10px;white-space:nowrap}.sidebar .brand-mark{width:33px;height:33px;border-radius:10px}.sidebar-caption{color:#98a18f;font-size:10px;letter-spacing:.14em;margin:45px 16px 13px}.nav-item{display:flex;align-items:center;gap:12px;width:100%;border:0;background:none;padding:12px 15px;border-radius:9px;color:#7b8679;font-size:13px;text-align:left;margin-bottom:5px}.nav-item svg{width:18px;height:18px}.nav-item.active{background:#e2eadc;color:#2d503a;font-weight:650}.nav-item:hover{background:#e9eee2;color:#345841}.sidebar-note{position:relative;margin:42px 9px 25px;background:#e8eddf;padding:21px 15px;border-radius:12px;overflow:hidden}.sidebar-note strong{font-size:11px;font-weight:550}.sidebar-note p{font-size:11px;color:#8a967b;line-height:1.9;margin:8px 0 0}.sidebar-note>svg{position:absolute;width:52px;height:52px;bottom:-7px;right:3px;color:#c4cfb1;transform:rotate(15deg)}.tiny-dot{display:inline-block;width:5px;height:5px;background:#8a9b6d;border-radius:50%;margin-right:6px}.sidebar-bottom{margin-top:auto}.profile{border-top:1px solid #dfe5d8;margin-top:15px;padding:20px 5px;display:flex;align-items:center;gap:10px}.avatar{border-radius:50%;background:#e2e7da;width:33px;height:33px;display:grid;place-items:center;font-size:12px;flex-shrink:0}.profile>div{overflow:hidden;flex:1}.profile strong{display:block;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile>div>span{display:block;font-size:10px;color:#929b8d}.profile .icon-button{width:30px}.workspace{min-width:0;display:flex;flex-direction:column}.topbar{min-height:77px;display:flex;align-items:center;justify-content:space-between;padding:0 44px;border-bottom:1px solid 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svg{width:28px;height:28px}.translation-workbench{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px}.language-panel{border:1px solid #dde3d8;background:white;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);min-width:0;display:flex;flex-direction:column}.panel-heading{padding:20px 23px 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #edf0e8;min-height:83px}.panel-kicker{display:block;font-size:10px;letter-spacing:.12em;color:#a0a99a;margin-bottom:4px}.panel-heading select{font-size:14px;font-weight:650;padding:2px 21px 2px 0;max-width:100%}.panel-heading select:focus-visible{outline-offset:2px;border-radius:4px}.panel-number{font-size:12px;color:#c4ccb9;font-family:Georgia,serif;align-self:flex-start;margin-top:2px}.language-panel>textarea{border:none;border-radius:0;box-shadow:none;padding:25px 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5px}.output-placeholder>span:last-child{font-size:10px;color:#bac2af}.output-text{margin:0;padding:25px 23px;font-size:15px;line-height:1.95;white-space:pre-wrap;overflow-wrap:anywhere}.translation-loading{min-height:275px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:25px;color:#718763}.translation-loading p{font-size:13px;margin:18px 0 6px}.translation-loading small{font-size:10px;color:#8c9a80}.loading-dot{width:24px;height:24px;border:2px solid #dce5d3;border-top-color:#53744d;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.swap-button{position:absolute;z-index:2;left:50%;top:31px;transform:translateX(-50%);border:1px solid #dde4d5;border-radius:50%;height:32px;width:32px;display:grid;place-items:center;background:#fff;color:#7a8d6d;box-shadow:0 2px 8px #2d4e2810}.swap-button svg{width:15px;height:15px}.translation-settings{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:21px 0 18px;flex-wrap:wrap}.style-picker{display:flex;align-items:center;gap:5px}.style-picker>span{font-size:11px;color:#8b9580;margin-right:10px}.style-option{padding:6px 11px;border:1px solid transparent;background:transparent;color:#8a957e;border-radius:6px;font-size:11px}.style-option.selected{background:#eaf0e3;border-color:#dfe7d4;color:#536d45}.speech-settings{display:flex;align-items:center;gap:8px;color:#929c87;font-size:11px}.speech-settings label{font-size:11px;margin:0;font-weight:400}.speech-settings select{font-size:11px;padding:4px;color:#657b56}.context-details{border:1px solid #e1e6d9;background:#fafbf6;border-radius:10px;margin-bottom:25px}.context-details summary{cursor:pointer;list-style:none;padding:13px 16px;display:flex;align-items:center;gap:10px;font-size:11px;color:#758569}.context-details summary::-webkit-details-marker{display:none}.context-details summary span{font-size:9px;color:#a2ac98;background:#edf1e7;padding:1px 6px;border-radius:4px}.context-details summary svg{margin-left:auto;width:14px;height:14px}.context-details[open] summary svg{transform:rotate(180deg)}.context-grid{padding:0 16px 16px;display:grid;grid-template-columns:1fr 1fr;gap:16px}.context-grid label{font-size:11px;color:#6d7c62}.context-grid textarea{min-height:100px;font-size:12px;border-color:#e2e7dc}.translate-bottom{display:flex;justify-content:space-between;align-items:center;gap:15px}.privacy-line{display:flex;align-items:center;gap:6px;margin:0 0 4px;color:#87977a;font-size:10px}.privacy-line svg{width:13px;height:13px}.translate-bottom .small{font-size:10px;color:#a1a895}.translate-action{display:flex;align-items:center;gap:16px}.shortcut{font-size:9px;color:#a1a894;white-space:nowrap}.translate-action .button{min-width:135px;white-space:nowrap}.translation-meta{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #e4e9dd;margin-top:28px;padding-top:15px;gap:10px;flex-wrap:wrap;color:#9ba58e;font-size:10px}.translation-meta label{margin:0;font-size:10px;color:#8a967e;font-weight:400}.translation-meta input{width:12px;height:12px}.workspace-footer{display:flex;align-items:center;justify-content:space-between;gap:15px;border-top:1px solid #e9ece3;padding:19px 44px;color:#a9b09e;font-size:9px}.workspace-footer .app-name{letter-spacing:.1em}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.tool-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;display:flex;align-items:flex-start;flex-direction:column;text-align:left;min-height:230px;box-shadow:var(--shadow)}.tool-card .tool-icon{width:47px;height:47px;border-radius:14px;background:var(--green-soft);color:#678559;display:grid;place-items:center;margin-bottom:24px}.tool-card h2{font-size:18px;margin-bottom:8px}.tool-card p{font-size:12px;color:var(--muted)}.tool-card-foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;width:100%;font-size:10px;color:#8d9b81}.tool-card-foot svg{width:16px;height:16px}.quiet-note{display:flex;gap:12px;align-items:center;color:#8b9781;font-size:11px;margin:30px 0}.quiet-note p{margin:0}.quiet-note svg{width:17px;height:17px}.utility-card,.settings-card{padding:27px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:20px;box-shadow:var(--shadow)}.utility-input{min-height:320px;line-height:1.8;font-size:14px}.code-input{font-family:ui-monospace,"Cascadia Code",monospace;font-size:13px}.utility-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:17px}.utility-footer{display:flex;justify-content:space-between;align-items:center;margin-top:20px;border-top:1px solid var(--line);padding-top:14px;color:var(--muted);font-size:11px}.section-title{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:10px}.section-title h2{margin-bottom:6px}.badge{background:#edf2e6;color:#6d8758;font-size:10px;white-space:nowrap;border-radius:20px;padding:5px 10px}.settings-card form input{max-width:450px}.settings-card form .button{margin-top:16px}.settings-card form>label{margin-top:15px}.settings-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.settings-grid label{font-size:11px}.settings-grid+p{margin-top:13px}.setup-steps{padding-left:21px;line-height:2.1;font-size:12px;color:#6f8066}.secret-box{background:#f1f5e9;border:1px dashed #c9d6ba;padding:18px;display:flex;align-items:center;justify-content:space-between;gap:15px;border-radius:9px;margin-bottom:10px}.secret-box code{letter-spacing:.08em;font-size:15px}.recovery-box{padding:22px;background:#f4f5e7;border-radius:10px}.recovery-codes{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:18px 0}.recovery-codes code{font-size:12px;letter-spacing:.02em;background:#ffffffb0;padding:8px;border-radius:5px}.invite-create-form{display:flex;gap:12px;align-items:center}.invite-create-form input{flex:1}.invite-create-form .button{margin-top:0!important;white-space:nowrap}.invite-result{margin-top:20px;padding:18px;background:#f1f5e9;border-radius:9px}.invite-result input{font-size:11px;margin-bottom:10px}.admin-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-bottom:20px}.stat-card{padding:18px;background:#eef2e6;border:1px solid #e0e7d5;border-radius:11px}.stat-card>span{font-size:10px;color:#8b997c}.stat-card>strong{display:block;font-size:23px;font-weight:550;margin:6px 0}.stat-card>small{font-size:10px;color:#93a184}.member-row{padding:19px 0;border-bottom:1px solid #e9eee2}.member-row:last-child{border-bottom:0;padding-bottom:0}.member-title{display:flex;align-items:center;gap:12px}.member-title>div{flex:1;min-width:0}.member-title strong{display:block;font-size:13px}.member-title small{font-size:11px;color:var(--muted);overflow-wrap:anywhere}.member-controls{display:flex;gap:15px;align-items:center;flex-wrap:wrap;margin:13px 0 0 45px}.member-controls label{display:flex;align-items:center;font-size:11px;font-weight:400;margin:0}.member-controls .button{margin-left:auto}.invitation-row{display:flex;align-items:center;gap:15px;justify-content:space-between;padding:11px 0;border-bottom:1px solid #edf0e7}.invitation-row>div{min-width:0}.invitation-row strong{font-size:12px;overflow-wrap:anywhere}.invitation-row small{display:block;color:var(--muted);font-size:10px}.audit-details summary{cursor:pointer;font-size:13px;font-weight:600}.audit-line{display:flex;justify-content:space-between;gap:15px;font-size:11px;color:var(--muted);padding:10px 0;border-bottom:1px solid #edf0e7}.audit-details[open] #audit-list{margin-top:15px}.toast{position:fixed;z-index:99;bottom:28px;left:50%;transform:translateX(-50%);max-width:min(90vw,600px);padding:13px 20px;background:#234b3d;color:#fff;border-radius:11px;box-shadow:0 8px 30px #17372830;font-size:12px;text-align:center}.form-error{color:var(--danger)}.success-text{color:#4c7a4e}
@media(min-width:1500px){.auth-story{padding-left:75px}.auth-story h1{font-size:60px}#main-content{padding-top:60px}.language-panel>textarea,.translation-output,.output-placeholder,.translation-loading{min-height:340px}}
@media(max-width:1100px){.app-shell{grid-template-columns:200px minmax(0,1fr)}.sidebar{padding:28px 13px 0}.sidebar .brand{font-size:14px;gap:7px}.topbar{padding:0 28px}#main-content{padding:35px 28px}.workspace-footer{padding:18px 28px}.shortcut{display:none}.style-picker>span{display:none}.tool-grid{gap:13px}.tool-card{padding:20px}.settings-grid{grid-template-columns:1fr}.auth-story{padding:35px}.auth-story h1{font-size:43px}.auth-shell{grid-template-columns:43% 1fr}.panel-heading{padding-left:18px}.language-panel>textarea,.output-text{padding-left:18px;padding-right:18px}}
@media(max-width:800px){.app-shell{grid-template-columns:1fr}.sidebar{position:relative;top:auto;height:auto;padding:18px 20px 0;border-right:0;border-bottom:1px solid var(--line)}.sidebar .brand{font-size:16px;position:relative;z-index:1;max-width:calc(100% - 120px)}.sidebar-caption,.sidebar-note{display:none}.sidebar nav{display:flex;gap:5px;overflow-x:auto;margin-top:17px;padding-bottom:6px}.sidebar nav>div{display:contents}.nav-item{white-space:nowrap;width:auto;flex-shrink:0;margin:0;padding:9px 12px;font-size:11px;gap:7px}.nav-item svg{width:16px;height:16px}.sidebar-bottom{position:static}.sidebar-bottom>.nav-item{display:inline-flex;margin:3px 0 12px}.profile{position:absolute;right:20px;top:17px;margin:0;padding:0;border:0;gap:5px}.profile>div{display:none}.profile .avatar{width:28px;height:28px;font-size:11px}.topbar{min-height:55px;padding:0 24px}.workspace-footer{padding:18px 24px}#main-content{padding:30px 24px}.page-heading{margin-bottom:25px}.page-heading h1{font-size:28px}.heading-icon{width:47px;height:47px;border-radius:14px}.translation-meta{margin-top:25px}.auth-story{padding:28px}.auth-story h1{font-size:36px}.auth-shell{grid-template-columns:40% 1fr}.story-art{transform:scale(.8);transform-origin:left center}.auth-panel{padding:40px 25px 20px}.auth-story-content>p{font-size:12px}.auth-story .brand{font-size:15px}.auth-foot{font-size:10px}.settings-card,.utility-card{padding:23px}.tool-grid{grid-template-columns:1fr}.tool-card{min-height:auto;display:grid;grid-template-columns:48px 1fr;column-gap:18px}.tool-card .tool-icon{grid-row:1/4;margin:0}.tool-card h2{font-size:16px}.tool-card p{margin-bottom:8px}.tool-card-foot{grid-column:2}.member-controls{margin-left:0}.admin-stats{gap:10px}.stat-card{padding:14px}.stat-card>strong{font-size:19px}}
@media(max-width:560px){.auth-shell{display:block}.auth-story{padding:23px;min-height:auto}.auth-story-content{padding:25px 0 5px}.auth-story-content .eyebrow,.story-art,.auth-foot,.auth-story-content>p{display:none}.auth-story h1{font-size:26px;line-height:1.6;margin:0}.auth-story h1 br{display:none}.auth-panel{min-height:auto;padding:35px 25px}.auth-card h2{font-size:27px}.auth-card>p.muted{font-size:12px;margin-bottom:22px}.auth-bottom{margin:30px 0 0}.auth-story:after{display:none}#main-content{padding:26px 17px}.topbar{padding:0 18px}.top-actions{gap:8px}.connection-label{font-size:9px}.breadcrumb{font-size:10px}.breadcrumb>span{padding:0 7px}.top-actions .compact{font-size:10px;padding:4px 7px;gap:4px}.top-actions .compact svg{display:none}.page-heading h1{font-size:27px}.page-heading .muted{font-size:11px}.heading-icon{display:none}.translation-workbench{grid-template-columns:1fr;gap:16px}.swap-button{top:50%;left:auto;right:20px;transform:translateY(-50%) rotate(90deg);width:30px;height:30px}.panel-heading{min-height:72px;padding:14px 18px}.panel-heading select{font-size:13px}.language-panel>textarea{min-height:210px;font-size:14px}.translation-output,.output-placeholder,.translation-loading{min-height:210px}.output-text{font-size:14px;min-height:210px}.translation-settings{padding:17px 0;gap:15px}.style-option{font-size:10px;padding:6px 8px}.speech-settings{font-size:10px}.speech-settings label{font-size:10px}.context-grid{grid-template-columns:1fr}.translate-bottom{flex-direction:column;align-items:stretch;gap:17px}.translate-action{display:block}.translate-action .button{width:100%;min-height:46px}.translation-meta{gap:13px;padding-top:13px}.workspace-footer{padding:16px 18px;font-size:8px}.workspace-footer>span:last-child{max-width:190px;text-align:right}.utility-card,.settings-card{padding:19px;border-radius:13px}.utility-actions{gap:8px}.utility-actions .button{font-size:11px;padding:9px 12px}.utility-input{min-height:280px}.secret-box{flex-direction:column;align-items:flex-start}.secret-box code{font-size:13px}.recovery-codes{grid-template-columns:1fr}.invite-create-form{flex-direction:column;align-items:stretch}.admin-stats{grid-template-columns:1fr}.stat-card{display:flex;align-items:center;gap:10px}.stat-card>strong{margin:0 auto 0 0;order:-1}.stat-card>small{font-size:9px}.member-controls{gap:10px}.member-controls .button{margin-left:0}.invitation-row{align-items:flex-start}.view{animation:none}.sidebar{padding-left:17px;padding-right:17px}.sidebar .brand{font-size:15px}.toast{bottom:18px;width:calc(100% - 35px)}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.loading-dot{border-top-color:#53744d}}

/* 提升次要文字的可讀性，並縮短手機雙語面板。 */
.panel-kicker,.character-count,.privacy-line,.translation-meta,.translation-meta label,.shortcut,.connection-label,.breadcrumb,.workspace-footer,.auth-bottom{color:#687660}
.translate-bottom .small,.output-placeholder>p,.output-placeholder>span:last-child{color:#708063}
.character-count,.privacy-line,.translation-meta,.translation-meta label,.shortcut{font-size:11px}
@media(max-width:560px){.language-panel>textarea,.translation-output,.output-placeholder,.translation-loading,.output-text{min-height:160px}}

.service-controls{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.service-controls label{display:flex;gap:8px;align-items:center}.service-usage{white-space:pre-line;line-height:1.9;overflow-wrap:anywhere}.speech-settings{flex-wrap:wrap;row-gap:8px}.translation-settings{flex-wrap:wrap;row-gap:12px}

.member-usage{white-space:pre-line;line-height:1.9;font-size:12px;overflow-wrap:anywhere;background:#f3f6ef;padding:14px;border-radius:9px}.member-limits{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;width:100%;min-width:0}.member-limits label{display:flex;flex-direction:column;align-items:stretch;gap:6px;min-width:0}.member-limits input{width:100%;min-width:0}.invite-policy{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0}.invite-policy label{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:400}.invite-policy input[type=checkbox]{width:auto}
@media(max-width:560px){.member-limits{grid-template-columns:1fr}.member-usage{font-size:11px;padding:11px}}

/* 工具入口、帳號設定與行動版對談操作。 */
.mobile-dock{display:none}.overview-account{flex-shrink:0}.tool-toolbar{display:flex;align-items:center;gap:18px;margin-bottom:22px}.tool-toolbar input{max-width:480px;min-height:48px}.tool-toolbar>span{white-space:nowrap;color:#657462}.tool-card{transition:border-color .18s,box-shadow .18s}.tool-card:hover{border-color:#8ba185;box-shadow:0 5px 22px #234b3d0c}.tool-card:focus-visible{outline-offset:3px}.account-card h2{margin-bottom:6px}.account-card p{margin-bottom:0;overflow-wrap:anywhere}.account-card .utility-actions{margin-top:18px}.translation-workbench{grid-template-areas:"source output" "submit submit";align-items:stretch;gap:18px}.source-panel{grid-area:source}.output-panel{grid-area:output}.translation-submit{grid-area:submit;display:flex;justify-content:flex-end;align-items:center;gap:18px;flex-wrap:wrap}.translation-submit .notice{flex-basis:100%;margin:0}.translation-submit .button{min-height:52px;min-width:180px;font-size:15px}.panel-heading{min-height:76px;padding:10px 18px;gap:8px}.panel-heading>div{min-width:0;flex:1}.panel-kicker{color:#657462;margin-bottom:0}.panel-heading select{min-height:44px;padding:6px 20px 6px 0;width:100%;font-size:16px}.swap-button{position:static;transform:none;width:48px;height:48px;flex-shrink:0;border-radius:12px;color:#42644d}.swap-button svg{width:21px;height:21px}.panel-footer{min-height:64px;padding:8px 12px;gap:6px}.panel-actions{gap:6px}.panel-actions .icon-button{width:auto;min-width:82px;height:48px;display:flex;align-items:center;justify-content:center;gap:7px;background:#f0f4eb;color:#41624a;font-size:13px;padding:8px 12px}.panel-footer>.icon-button{width:48px;height:48px;flex-shrink:0}.character-count{color:#6a7861;font-size:11px}.source-panel .character-count{margin-left:auto}.language-panel>textarea{min-height:230px;font-size:17px;line-height:1.7;padding:18px}.translation-output,.output-placeholder,.translation-loading{min-height:230px}.output-text{min-height:0;padding:18px;font-size:17px;line-height:1.7}.output-placeholder{padding:20px}.output-placeholder>p{color:#76816f;font-size:14px;margin:0}.speech-access{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:16px 0;flex-wrap:wrap}.speech-quick{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.speech-quick>span{color:#657462}.speech-quick .button{min-height:48px}.speech-consent{display:flex;align-items:center;gap:8px;min-height:48px;margin:0;font-size:13px;color:#42604a;cursor:pointer}.speech-consent input{width:20px;height:20px;flex-shrink:0}.consent-note{display:block;font-size:11px;color:#69785f;font-weight:400}.translation-advanced{margin-bottom:18px;background:#fff}.translation-advanced>summary{min-height:56px;font-size:14px;color:#42604a;flex-wrap:wrap}.translation-advanced>summary>span{font-size:11px;background:none;color:#69785f;padding:0;flex:1;min-width:100px}.translation-advanced>summary>svg{flex-shrink:0}.advanced-content{padding:4px 18px 18px}.advanced-content .style-picker{flex-wrap:wrap;gap:8px;margin:8px 0 20px}.advanced-content .style-picker>span{display:block;flex-basis:100%;font-size:13px;color:#42604a}.style-option{min-height:44px;font-size:13px;padding:8px 14px;color:#596e50;border-color:#e1e6d9}.style-option.selected{border-color:#94ab83;color:#2f5536}.speech-settings{display:grid;grid-template-columns:2fr 1fr 1fr;gap:14px;margin:0 0 14px}.speech-settings>div{min-width:0}.speech-settings label{font-size:13px;margin-bottom:8px;color:#42604a}.speech-settings select{width:100%;min-height:48px;font-size:15px;border:1px solid var(--line);border-radius:9px;padding:8px;background:#fff;color:var(--ink)}.advanced-content .context-grid{padding:12px 0 0}.context-grid label{font-size:13px;color:#42604a}.context-grid textarea{font-size:15px}.advanced-content>.small{color:#69785f}.translation-meta{margin-top:0;font-size:11px;color:#69785f}.translation-privacy{margin-top:8px;color:#69785f}.translation-heading .button{flex-shrink:0}
@media(max-width:800px){
 .sidebar{padding:14px 20px;min-height:64px}.sidebar .brand{max-width:none}.sidebar #tool-nav,.sidebar-bottom,.sidebar-caption,.sidebar-note{display:none}.topbar{display:none}#main-content{padding:24px 20px}.workspace{padding-bottom:calc(76px + env(safe-area-inset-bottom,0px))}.mobile-dock{position:fixed;left:0;right:0;bottom:0;z-index:50;display:flex;justify-content:center;gap:12px;padding:8px 18px calc(8px + env(safe-area-inset-bottom,0px));background:#fbfcf8;border-top:1px solid #dce3d5;box-shadow:0 -4px 18px #234b3d05}.mobile-dock .nav-item{flex:1;max-width:240px;min-height:52px;justify-content:center;gap:8px;font-size:14px;padding:10px 12px;white-space:normal}.mobile-dock .nav-item svg{width:22px;height:22px}.toast{bottom:calc(86px + env(safe-area-inset-bottom,0px))}.workspace-footer{display:none}.page-heading{margin-bottom:22px}.page-heading h1{font-size:28px}.tool-card{min-height:146px;padding:22px;column-gap:18px}.tool-card h2{font-size:18px}.tool-card p{font-size:13px}.tool-card-foot{font-size:11px}.overview-account{display:none}.account-card .button,.settings-card .button,.utility-card .button{min-height:48px;font-size:14px}.settings-card input:not([type=checkbox]),.utility-card textarea,.auth-panel input{font-size:16px;min-height:48px}.settings-card .text-button{min-height:48px}.tool-toolbar{gap:10px;flex-wrap:wrap}.tool-toolbar input{max-width:none;font-size:16px}.tool-toolbar>span{font-size:12px}.quiet-note{color:#69785f;font-size:12px;align-items:flex-start}.account-card .utility-actions{flex-direction:column;align-items:stretch}.translation-workbench{grid-template-columns:minmax(0,1fr);grid-template-areas:"source" "submit" "output";gap:12px}.translation-heading .eyebrow,.translation-heading .muted{display:none}.translation-heading{gap:10px;margin-bottom:16px}.translation-heading h1{font-size:25px;margin:0}.translation-heading .button{min-height:48px;font-size:13px;padding:8px 12px}.translation-submit{display:block}.translation-submit .button{width:100%;min-height:54px;font-size:17px}.translation-submit .shortcut{display:none}.translation-submit .notice{margin-top:12px}.panel-heading{min-height:62px;padding:6px 14px}.panel-kicker{font-size:11px}.panel-heading select{font-size:16px;min-height:42px}.language-panel>textarea{height:110px;min-height:110px;max-height:60svh;padding:12px 14px;font-size:17px}.translation-output,.output-placeholder,.translation-loading{min-height:90px}.output-text{min-height:90px;padding:12px 14px;font-size:17px}.panel-footer{padding:6px 10px;min-height:60px;gap:4px}.panel-actions{gap:4px}.panel-actions .icon-button{min-width:76px;padding:8px 10px;font-size:14px}.character-count{font-size:11px}.speech-access{margin:10px 0 12px;gap:2px}.speech-quick{width:100%;gap:8px}.speech-quick .button{flex:1;font-size:14px;padding:8px}.speech-consent{width:100%}.translation-advanced>summary{padding:12px 14px}.translation-advanced>summary>span{font-size:11px}.advanced-content{padding:0 14px 16px}.speech-settings{grid-template-columns:1fr 1fr;gap:12px}.speech-settings>div:first-child{grid-column:1/-1}.speech-settings select,.context-grid textarea{font-size:16px}.advanced-content .style-option{min-height:48px;font-size:14px;padding:8px 12px}.context-grid{grid-template-columns:1fr}.translation-meta{gap:4px;align-items:flex-start;flex-direction:column;padding-top:12px}.translation-privacy{font-size:11px}.view{min-width:0}
}
@media(prefers-reduced-motion:reduce){.tool-card{transition:none}}

/* 朗讀與複製分置兩側，降低手機誤觸。 */
.source-count{padding:0 18px 4px;text-align:right;line-height:1.2}.panel-footer .panel-actions{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;width:100%}.panel-actions .icon-button{min-width:0;width:100%;border:1px solid #dce5d5}.panel-heading>.icon-button{width:48px;height:48px;flex-shrink:0}.panel-heading{gap:12px}.panel-actions .copy-button{background:#fff}.personal-quota{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.personal-quota-card{background:#f8faf4;border:1px solid var(--line);border-radius:12px;padding:18px;min-width:0}.personal-quota-card h3{font-size:17px;margin-bottom:18px}.personal-meter{display:grid;grid-template-columns:1fr;gap:4px;margin-bottom:18px}.personal-meter>span{font-size:12px;color:#64735e}.personal-meter>strong{font-size:16px}.personal-meter>small{color:#64735e}.personal-meter progress{width:100%;height:8px;accent-color:var(--green);margin:6px 0}.personal-budget{font-size:12px;color:#64735e;margin-bottom:8px;overflow-wrap:anywhere}.personal-service-cost{font-size:13px;margin-bottom:8px;overflow-wrap:anywhere}.personal-cost{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:22px 0}.personal-cost>div{min-width:0;border-left:3px solid #cfddc1;padding-left:12px;display:flex;flex-direction:column;gap:6px}.personal-cost span,.personal-cost small{font-size:12px;color:#64735e}.personal-cost strong{font-size:17px;overflow-wrap:anywhere}.personal-usage-details summary{min-height:48px;cursor:pointer;color:#42604a;display:flex;align-items:center}.personal-usage-details p{white-space:pre-line;line-height:1.9}.personal-quota-card .small{margin-bottom:0}#personal-usage-card>.section-title{flex-wrap:wrap;gap:12px}#personal-usage-status{color:#64735e}
@media(max-width:800px){.source-count{padding-right:14px}.panel-footer .panel-actions{gap:32px}.panel-actions .icon-button{font-size:15px}.personal-quota,.personal-cost{grid-template-columns:1fr}.personal-quota-card{padding:16px}.personal-cost{gap:20px}#personal-usage-card .section-title .button{width:100%}#personal-usage-card .section-title>div{width:100%}}

/* 全站介面語言。只儲存語言偏好，不儲存輸入與翻譯。 */
.language-control{position:absolute;top:16px;right:22px;z-index:60}.language-control select{background:#fff;border:1px solid var(--line);border-radius:10px;min-height:44px;max-width:142px;padding:8px 12px;color:var(--ink);font-size:15px}.topbar{padding-right:190px}.tool-card h2,.tool-card p{overflow-wrap:anywhere}.page-heading>div{min-width:0}.style-picker{flex-wrap:wrap}.speech-quick{min-width:0}#advanced-summary{overflow-wrap:anywhere}
@media(max-width:800px){.language-control{top:calc(10px + env(safe-area-inset-top,0px));right:20px}.language-control select{width:126px;font-size:16px;min-height:44px}.sidebar{padding-top:calc(14px + env(safe-area-inset-top,0px))}.sidebar .brand{max-width:calc(100% - 138px)}.brand .app-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.translation-heading>.button{max-width:45%;white-space:normal;font-size:12px;gap:7px}.translation-heading h1{overflow-wrap:anywhere}.auth-story .brand{max-width:calc(100% - 125px);font-size:14px}.auth-story h1{padding-top:8px}.panel-actions .icon-button{white-space:normal}.tool-card h2{line-height:1.5}.personal-meter>strong{overflow-wrap:anywhere}.personal-quota-card .personal-budget{overflow-wrap:anywhere}}
.translation-model-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}.translation-model-row label{margin:0;font-size:13px}.translation-model-row select{min-height:48px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:8px 12px;max-width:100%;font-size:15px}.translation-model-row>span{flex-basis:100%;font-size:11px}.translation-model-card{padding:18px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.translation-model-card>h3,.translation-model-card>p{grid-column:1/-1;margin:0}.translation-model-card select{min-height:48px;border:1px solid var(--line);border-radius:8px}.translation-model-card input[type=number]{max-width:100%}.personal-model-costs p{overflow-wrap:anywhere;white-space:normal}
@media(max-width:800px){.translation-model-row{gap:6px;margin-bottom:12px}.translation-model-row select{flex:1;min-width:0;min-height:48px;font-size:16px}.translation-model-row>span{display:none}.translation-model-card{grid-template-columns:1fr}.language-panel>textarea{height:90px;min-height:90px}.translation-output,.output-placeholder,.output-text,.translation-loading{min-height:70px}}

.translation-model-row #translation-model-remaining{display:block;color:var(--ink);font-size:12px;margin:0}

/* 通訊式聊天：對話區填滿視窗，輸入列固定於下方。 */
body.chat-open{height:var(--chat-viewport-height,100dvh);overflow:hidden}.chat-open .app-shell{height:100%;min-height:0}.chat-open .sidebar{height:100%;min-height:0;overflow-y:auto}.chat-open .workspace{height:100%;min-height:0;padding-bottom:0}.chat-open .topbar,.chat-open .workspace-footer{display:none}.chat-open #main-content{height:100%;min-height:0;max-width:none;padding:0;margin:0;overflow:hidden}.chat-open #view-chat:not([hidden]){height:100%;min-height:0;display:flex;flex-direction:column}
.chat-heading{display:flex;align-items:center;gap:12px;min-height:76px;padding:12px 180px 12px 20px;border-bottom:1px solid var(--line);background:#fbfcf8;flex-shrink:0;position:relative;z-index:8}.chat-back{display:grid;place-items:center;border:0;border-radius:50%;background:transparent;width:44px;height:44px;flex-shrink:0;color:var(--ink)}.chat-back:hover{background:#e7eddf}.chat-back svg{width:22px;height:22px;transform:rotate(180deg)}.chat-heading-info{min-width:0;flex:1}.chat-heading h1{font-size:21px;line-height:1.3;margin:0 0 4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-heading #chat-status{font-size:11px;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-settings>summary{list-style:none;display:grid;place-items:center;width:44px;height:44px;font-size:30px;line-height:1;cursor:pointer;border-radius:50%}.chat-settings>summary::-webkit-details-marker,.chat-message-menu>summary::-webkit-details-marker{display:none}.chat-settings[open]>summary{background:#e7eddf}.chat-settings-panel{position:fixed;right:20px;top:var(--chat-settings-top,88px);width:min(370px,calc(100vw - 24px));max-height:var(--chat-settings-height,calc(100dvh - 112px));display:flex;flex-direction:column;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:16px;padding:0;box-shadow:0 12px 35px #24483726;z-index:12}.chat-settings-panel h2{font-size:19px;margin:0 0 10px}.chat-options-grid{display:grid;gap:14px}.chat-options-grid label{font-size:12px}.chat-options-grid select,.chat-admin-controls select{display:block;width:100%;max-width:100%;min-height:46px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px;color:var(--ink);font-size:15px}.chat-privacy{font-size:12px;color:var(--muted);margin:12px 0}.chat-privacy summary{cursor:pointer;padding:8px 0}.chat-feed{position:relative;flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;background:#edf2e9;padding:24px max(24px,calc((100% - 920px)/2));display:flex;flex-direction:column;gap:12px;scrollbar-gutter:stable}.chat-message{width:fit-content;max-width:min(82%,620px);padding:8px 13px 10px;background:#fff;border-radius:16px 16px 16px 5px;box-shadow:0 1px 2px #2741330d;flex-shrink:0;overflow-wrap:anywhere;align-self:flex-start}.chat-message.own{align-self:flex-end;background:#dcebcf;border-radius:16px 16px 5px 16px}.chat-message-header{display:flex;align-items:center;gap:12px;min-height:22px;margin:0 0 3px;font-size:11px}.chat-message-header strong{flex:1;font-weight:650}.chat-message-header time{font-size:10px;white-space:nowrap}.chat-label{font-size:10px;color:#647662}.chat-message-text{white-space:pre-wrap;margin:3px 0 0;overflow-wrap:anywhere;line-height:1.65;font-size:15px}.chat-translated{margin-top:8px;padding-top:6px;border-top:1px solid #afc39c66}.chat-message-menu{position:relative;margin-right:-5px}.chat-message-menu>summary{list-style:none;display:grid;place-items:center;min-width:32px;min-height:28px;cursor:pointer;font-size:20px;border-radius:50%}.chat-message-menu[open]>summary{background:#c6d6b8}.chat-message-actions{position:absolute;right:0;top:100%;min-width:132px;padding:5px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 5px 20px #24483720;z-index:5}.chat-message-actions button{display:block;width:100%;min-height:44px;text-align:left;border:0;background:transparent;padding:10px 12px;white-space:nowrap;border-radius:6px;font-size:13px;color:var(--ink)}.chat-message-actions button:hover{background:#edf2e9}.chat-translation-status{margin:6px 0 0;color:#647662}.chat-empty{margin:auto;text-align:center}.chat-composer{background:#fbfcf8;border-top:1px solid var(--line);padding:8px max(24px,calc((100% - 920px)/2)) 16px;flex-shrink:0}.chat-compose-toolbar{display:flex;align-items:center;gap:12px;min-height:32px;margin-bottom:5px}.chat-auto{display:flex;align-items:center;gap:8px;min-height:32px;font-size:12px;margin:0;cursor:pointer}.chat-auto input{width:19px;height:19px;accent-color:#315b43}.chat-compose-toolbar #chat-character-count{margin-left:auto;font-size:10px}.chat-compose-toolbar #chat-target-summary{font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.chat-input-row{display:flex;align-items:flex-end;gap:12px}.chat-composer textarea{flex:1;min-width:0;width:100%;height:46px;min-height:46px;max-height:144px;resize:none;overflow-y:auto;background:#fff;border:1px solid var(--line);border-radius:22px;padding:11px 16px;font:inherit;font-size:16px;line-height:22px}.chat-input-row #chat-send{min-height:46px;min-width:76px;max-width:112px;border-radius:24px;padding:10px 16px;font-size:14px;line-height:1.4;margin:0}.chat-composer #chat-send-status{margin:7px 0 0;font-size:12px}#chat-send-status:empty{display:none}.chat-admin-controls{display:flex;gap:16px;flex-wrap:wrap;align-items:end}
@media(max-width:800px){.chat-open .app-shell{position:fixed;inset:0;height:var(--chat-viewport-height,100dvh);min-height:0}.chat-open .sidebar,.chat-open .mobile-dock{display:none}.chat-open .language-control{position:fixed;top:calc(9px + env(safe-area-inset-top,0px));right:12px}.chat-heading{gap:6px;min-height:64px;padding:calc(8px + env(safe-area-inset-top,0px)) 150px 8px 6px}.chat-heading h1{font-size:17px;margin-bottom:3px}.chat-heading #chat-status{font-size:10px}.chat-back,.chat-settings>summary{width:36px;min-width:36px;height:42px}.chat-settings-panel{right:12px}.chat-feed{padding:16px 12px;gap:10px}.chat-message{max-width:88%;padding:7px 11px 9px}.chat-message-header{gap:8px}.chat-message-text{font-size:16px}.chat-composer{padding:6px 12px calc(10px + env(safe-area-inset-bottom,0px))}.chat-compose-toolbar{gap:9px}.chat-input-row{gap:8px}.chat-input-row #chat-send{min-width:68px;max-width:95px;padding:10px 12px}.chat-composer textarea{padding-left:13px;padding-right:13px}.chat-admin-controls{display:grid;grid-template-columns:1fr}}

/* 聊天額度保持精簡，與訊息內容分開。 */
.chat-quota-bar{font-size:11px;line-height:1.5;color:#647662;padding:0 0 5px;border-bottom:1px solid var(--line);margin-bottom:4px}.chat-personal-quota-line{display:flex;align-items:center;justify-content:space-between;gap:8px}.chat-personal-quota-line button{border:0;background:transparent;min-width:32px;min-height:28px;border-radius:8px;font-size:20px;line-height:1}.chat-personal-quota-line button:hover{background:#e7eddf}#chat-model-quota-line{display:flex;gap:8px;min-width:0;align-items:baseline}#chat-selected-model{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}#chat-model-remaining{flex-shrink:0;font-size:10px}#chat-own-monthly{margin-top:14px}
@media(max-width:800px){.chat-quota-bar{font-size:10px}#chat-model-quota-line{gap:5px}#chat-model-remaining{max-width:78%;white-space:normal;text-align:right}}

/* 設定內容自行捲動，操作列始終完整留在可視範圍。 */
.chat-settings-body{min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:20px;scrollbar-gutter:stable;overflow-wrap:anywhere}.chat-settings-footer{display:flex;gap:10px;justify-content:space-between;flex-shrink:0;padding:12px 20px;border-top:1px solid var(--line);background:#fbfcf8}.chat-settings-footer button{min-height:44px;white-space:normal}.chat-options-grid select:disabled{opacity:.55;cursor:not-allowed}

/* 日常工具箱：暖白桌面、墨色導覽、鈷藍操作。共用尺寸以手機點按為基準。 */
body{background:var(--bg);color:var(--ink);line-height:1.65}
h1,h2,h3{letter-spacing:-.035em}h1{font-weight:720}h2{font-weight:680}
.muted{color:var(--muted)}.eyebrow{color:var(--brand);font-weight:650;letter-spacing:.08em}
input:not([type=checkbox]),textarea{border-color:var(--line);border-radius:12px;padding:13px 15px;background:#fff}
input:focus,textarea:focus,select:focus-visible{border-color:#748eea;box-shadow:0 0 0 3px #3157df12}
input[readonly]{background:#f4f5f8;color:#667085}input::placeholder,textarea::placeholder{color:#838b98}
input[type=checkbox]{accent-color:var(--brand)}:focus-visible{outline:3px solid #7890ec;outline-offset:3px}
.button{min-height:46px;padding:11px 18px;border-radius:12px;font-size:14px;font-weight:620;gap:10px}
.primary{background:var(--brand);box-shadow:0 4px 10px #3157df1a}.primary:hover:not(:disabled){background:#2348c7}
.secondary{background:#fff;border-color:var(--line);box-shadow:0 1px 2px #25325004}.subtle{color:var(--muted)}
.compact{min-height:40px;font-size:12px;padding:8px 12px}.text-button{color:var(--brand)}
.icon-button{width:44px;height:44px;border-radius:12px;color:#637086}.icon-button:hover:not(:disabled){background:#edf1ff;color:var(--brand)}
.brand{letter-spacing:-.025em}.brand-mark{background:var(--brand);color:#fff;border-radius:12px}
.notice{background:#fff3d9;border-color:#f1dfb9;color:#78551d;border-radius:13px}.notice.danger{background:#fff0ef;border-color:#f2cece;color:var(--danger)}
.badge{background:#edf1ff;color:#4058aa}.success-text{color:#297657}.toast{background:#222b3a;box-shadow:0 8px 30px #18203324;border-radius:14px;font-size:13px}

/* 受邀登入：工作桌的入口。 */
.auth-shell{grid-template-columns:minmax(360px,1.1fr) minmax(390px,1fr);padding:24px;gap:0;min-height:100svh}
.auth-story{background:#222c3c;border-radius:26px 0 0 26px;padding:40px 48px;min-width:0}
.auth-story:after{width:620px;height:620px;border-color:#ffffff0b;left:18%;top:29%}
.auth-story .brand{color:#fff;font-size:18px}.brand-light .brand-mark{background:#ffffff14;border-color:#ffffff16}
.auth-story-content{padding:42px 0 32px}.auth-story .eyebrow{color:#b7c5e5;font-size:12px}
.auth-story h1{font-size:clamp(36px,4.1vw,62px);font-weight:650;line-height:1.4;letter-spacing:-.04em;margin-bottom:22px}
.auth-story h1 span{color:#f3ba76}.auth-story-content>p{font-size:15px;line-height:1.9;color:#bdc6d6}
.auth-foot{color:#b8c3d6;font-size:12px;margin:0}.auth-foot svg{color:#f3ba76}
.story-art{height:190px;margin-top:40px}.art-tile{box-shadow:0 12px 30px #0e17262b;border:1px solid #ffffff14}
.art-language{background:#f3ba76;color:#283244;border-radius:26px;transform:rotate(-8deg)}
.art-lines{background:#e5eafd;transform:rotate(9deg);left:170px;top:10px}.art-lines i{background:#8498d9}
.art-code{background:#42557e;color:#e7edff;left:128px;top:104px}.art-dot{border-color:#e6b478;left:285px;top:135px}
.auth-panel{background:#fff;border-radius:0 26px 26px 0;padding:60px 40px 24px;min-height:calc(100svh - 48px)}
.auth-card{max-width:370px}.auth-card h2{font-size:32px;letter-spacing:-.035em}.auth-card>p.muted{font-size:14px;line-height:1.8}
.auth-card input:not([type=checkbox]){min-height:52px;background:#fafbfc;border-radius:12px}.auth-card .button[type=submit]{min-height:52px}
.auth-card label{color:#3d495a;font-size:13px}.password-wrap input{padding-right:52px!important}.password-toggle{top:4px;right:4px}
.auth-disclaimer{color:#758094;border-color:var(--line);font-size:12px}.auth-bottom{font-size:12px;color:#758094}.form-between{margin-top:18px}

/* 固定導覽層次，主要內容保留呼吸空間。 */
.app-shell{grid-template-columns:236px minmax(0,1fr)}
.sidebar{background:#222c3c;color:#d6deeb;border:0;padding:30px 18px 0;height:100svh;overflow-y:auto}
.sidebar .brand{font-size:17px;color:#fff;padding:0 10px;gap:11px}.sidebar .brand-mark{background:#4b69e8;width:35px;height:35px}
.sidebar-caption{color:#a4b0c4;letter-spacing:.08em;font-size:11px;margin:38px 14px 14px}
.nav-item{color:#b7c2d4;border-radius:11px;padding:12px 14px;font-size:13px;gap:12px;min-height:46px;margin-bottom:5px}
.nav-item.active{background:#3b4c70;color:#fff;font-weight:620}.nav-item:hover{background:#2d3b52;color:#fff}.nav-item svg{width:19px;height:19px}
.sidebar-note{background:#2a364a;border:1px solid #ffffff08;margin:36px 8px 24px;padding:18px 14px;border-radius:14px}
.sidebar-note strong{color:#d6deeb;font-size:12px}.sidebar-note p{color:#a9b5ca;font-size:11px}.sidebar-note>svg{color:#61718e}
.tiny-dot{background:#f3ba76}.profile{border-color:#ffffff15;padding:20px 4px;margin-top:16px}.profile strong{font-size:13px;color:#fff}
.profile>div>span{color:#a4b0c4;font-size:11px}.profile .avatar{background:#41516f;color:#f4f6ff;width:36px;height:36px}
.profile .icon-button{color:#b3bfd2;width:36px;height:40px}.profile .icon-button:hover{background:#35445e;color:white}
.topbar{min-height:80px;background:var(--bg);border-color:#e5e5e2;padding:0 100px 0 48px;position:relative}
.breadcrumb{font-size:12px;color:#737c8a}.breadcrumb>span{color:#a5aab2;padding:0 14px}.breadcrumb strong{color:#354055;font-weight:600}
.connection-label{background:#fff;border:1px solid #e3e5ea;padding:6px 10px;border-radius:30px;font-size:11px;color:#5c6a7c;gap:6px}
#main-content{max-width:1360px;padding:42px 48px 36px}.workspace-footer{padding:20px 48px;color:#77818f;border-color:#e2e4e9;font-size:11px}
.page-heading{margin-bottom:28px;gap:20px}.page-heading .eyebrow{font-size:11px;margin-bottom:10px;color:#6e7b97}.page-heading h1{font-size:33px;letter-spacing:-.035em;margin-bottom:9px}
.page-heading .muted{font-size:14px;color:#6b7583;line-height:1.8}.title-dot{color:#dca05b;margin-left:0}.heading-icon{background:#e8edfb;border:0;transform:none;color:#5e73b1;border-radius:16px}
.home-heading{margin:6px 0 32px}.home-heading h1{font-size:44px;line-height:1.4}.home-heading .eyebrow{color:var(--brand);font-size:12px}
.home-heading .overview-account{align-self:flex-start;margin-top:8px}
.tool-toolbar{display:flex;justify-content:space-between;gap:20px;margin-bottom:22px}.tool-search-field{position:relative;max-width:430px;width:100%}
.tool-search-field>svg{position:absolute;left:15px;top:15px;width:19px;height:19px;color:#7e8795;pointer-events:none}
.tool-search-field input{min-height:50px;padding-left:44px;background:#ffffffb3;border-color:#e0e2e6;font-size:14px}.tool-toolbar>span{font-size:12px;color:#707a88}
.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.tool-card{display:flex;position:relative;isolation:isolate;overflow:hidden;min-width:0;min-height:258px;padding:26px 28px;border:1px solid #e4e5e8;border-radius:22px;background:#fff;box-shadow:0 3px 10px #25325003;transition:transform .18s,box-shadow .18s,border-color .18s}
.tool-card:hover{transform:translateY(-3px);border-color:#bcc8ec;box-shadow:0 12px 24px #2532500b}
.tool-card[data-view=translate]{order:-1;background:#e8edff;border-color:#e1e6f9}.tool-card[data-view=chat]{background:#fff0dc;border-color:#f2e5d1}
.tool-card-top{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;z-index:1}
.tool-card .tool-icon{width:46px;height:46px;border-radius:14px;background:#f2f4f9;color:#4c5f85;margin:0;flex-shrink:0}
.tool-card[data-view=translate] .tool-icon{background:#fff;color:#3157df}.tool-card[data-view=chat] .tool-icon{background:#fff;color:#a66b2d}
.tool-category{font-size:11px;color:#65728a;border:1px solid #b8c3df77;border-radius:30px;padding:3px 10px;white-space:nowrap}
.tool-card[data-view=chat] .tool-category{color:#86623b;border-color:#d1ac7970}
.tool-card h2{font-size:25px;margin:24px 0 8px;line-height:1.4;z-index:1;max-width:85%}.tool-card p{font-size:13px;color:#65718a;line-height:1.8;margin:0 0 24px;max-width:78%;z-index:1}
.tool-card[data-view=chat] p{color:#806c54}.tool-card-foot{color:#4e638b;font-size:11px;width:100%;z-index:1;gap:10px;margin-top:auto;align-items:center}
.tool-card-foot svg{width:28px;height:28px;padding:6px;background:#fff9;border-radius:50%;flex-shrink:0}
.tool-art{position:absolute;right:20px;bottom:60px;color:#6c8be7;opacity:.16;transform:rotate(-12deg);pointer-events:none;z-index:0}.tool-art svg{width:105px;height:105px;stroke-width:.8}
.tool-card[data-view=chat] .tool-art{color:#c28d4e;transform:rotate(12deg)}
.tool-card[data-view=text],.tool-card[data-view=json]{min-height:206px}.tool-card[data-view=text] h2,.tool-card[data-view=json] h2{font-size:21px;margin-top:18px}
.tool-card[data-view=text] .tool-art,.tool-card[data-view=json] .tool-art{display:none}.tool-card[data-view=text] p,.tool-card[data-view=json] p{max-width:100%;margin-bottom:20px}
.quiet-note{color:#707b8a;font-size:12px;margin:24px 0 8px;align-items:flex-start}.quiet-note svg{color:#637caf;margin-top:2px;flex-shrink:0}

/* 翻譯與裝置工具：清楚的輸入、輸出與主要操作。 */
.translation-model-row{padding:14px 18px;background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:18px;gap:8px 16px}
.translation-model-row label{font-size:12px;color:#657086}.translation-model-row select{border:0;background:#f3f5fa;min-height:46px;border-radius:9px;font-size:14px;flex:1;min-width:0}
.translation-model-row>span{color:#5f6b82;line-height:1.7}.translation-model-row #translation-model-remaining{color:#3157bf;font-weight:600}
.language-panel{border:1px solid #dfe3eb;box-shadow:0 4px 16px #28385603;border-radius:20px;background:#fff}.panel-heading{min-height:80px;background:#fff;border-color:#ebedf2;padding:12px 20px;gap:12px}
.panel-kicker{color:#717c8e;font-size:11px;letter-spacing:.06em}.panel-heading select{color:#263854;font-weight:650}
.panel-number{color:#a2abc0}.output-panel{background:#fafbff}.output-panel .panel-heading{background:#f5f7fd}
.language-panel>textarea{color:#26354d;background:transparent;padding:22px;font-size:18px;line-height:1.8;border-radius:0;min-height:240px}
.language-panel>textarea:focus{box-shadow:inset 0 0 0 2px #3157df20}.output-text{color:#26354d;font-size:18px;line-height:1.8;padding:22px}
.panel-footer{border-color:#edf0f5;padding:10px 14px;min-height:68px}.panel-actions .icon-button{background:#f5f7fc;color:#425f9b;border-color:#e0e6f3;border-radius:10px;font-size:14px;min-height:46px}
.panel-footer>.icon-button{color:#798499}.source-count{color:#728098}.swap-button{background:#f3f5fa;border-color:#e4e8f2;color:#4f65a0;border-radius:12px}
.output-symbol{background:#eaf0ff;color:#6f89cb}.output-placeholder>p,.output-placeholder>span:last-child{color:#6c7a92}.output-placeholder>p{font-size:14px}.output-placeholder>span:last-child{font-size:12px}
.loading-dot{border-color:#e0e6f7;border-top-color:var(--brand)}.translation-loading{color:#5c70a7}.translation-loading small{color:#697993}
.translation-submit .button{border-radius:14px;min-height:52px}.privacy-line,.character-count,.translation-meta,.translation-meta label{color:#69758a}
.privacy-line{font-size:11px}.translation-meta{border-color:var(--line);font-size:12px}.translation-meta label{font-size:12px}
.speech-access{padding:4px 0;margin:16px 0}.speech-consent{color:#455d88;font-size:13px}.consent-note{color:#69778e}
.speech-quick .button{border-radius:12px}.speech-quick .primary{background:var(--brand)}.speech-quick>span{color:#67758c}
.context-details,.translation-advanced{background:#fff;border:1px solid var(--line);border-radius:16px}.context-details summary,.translation-advanced>summary{color:#4c6085}
.translation-advanced>summary>span{color:#78849a}.advanced-content .style-picker>span{color:#4b5c78}.style-option{color:#66758e;background:#fff;border-color:#e1e6f0;border-radius:10px}
.style-option.selected{background:#edf1ff;border-color:#a5b6eb;color:#3157c0}.context-grid label,.advanced-content label{color:#596b8b}.speech-settings,.speech-settings label,.speech-settings select{color:#657691}
.context-grid textarea{border-color:#e1e6ef}.context-details summary span{background:#edf1fb;color:#697ba0}
.utility-card,.settings-card{border:1px solid var(--line);border-radius:18px;box-shadow:0 3px 12px #25325002;padding:26px;background:#fff}
.utility-card .badge{background:#edf1ff;color:#4f66a0}.utility-footer{color:#6f7c91}.utility-input{background:#fbfcfe!important;line-height:1.8}
.account-card{background:#fff}.personal-quota-card,.member-usage{background:#f5f7fb;border-color:#e0e6f0;border-radius:12px}.personal-quota-card h3{color:#344b76}
.personal-meter>span,.personal-meter>small,.personal-budget,.personal-service-cost,.personal-cost span,.personal-cost small,#personal-usage-status,.personal-usage-details summary{color:#61718b}
.personal-cost>div{border-color:#a8b9f1}.personal-meter progress{accent-color:var(--brand)}.secret-box,.invite-result{background:#f2f5fc;border-color:#bac8ec}.recovery-box{background:#fff3dd}
.setup-steps{color:#65748c}.stat-card{background:#f2f5fc;border-color:#dfe5f2}.stat-card>span,.stat-card>small{color:#687c9e}.member-row,.invitation-row,.audit-line{border-color:#e8ecf3}
.audit-line{color:#72819a}.translation-model-card{border-color:#e4e9f2}.translation-model-card select{border-color:#e0e6f0}

/* 小地球保留原生語言選擇器，鍵盤與手機系統選單均可使用。 */
.language-control{position:absolute;top:18px;right:26px;width:44px;height:44px;display:grid;place-items:center;border:1px solid #dfe3eb;border-radius:50%;background:#fff;box-shadow:0 2px 6px #25325004;z-index:60}
.language-control>svg{width:21px;height:21px;color:#435573;pointer-events:none;stroke-width:1.65}
.language-control select{position:absolute;inset:0;width:44px;max-width:44px;min-height:44px;height:44px;margin:0;padding:0;opacity:0;cursor:pointer;font-size:16px;border:0}
.language-control:focus-within{outline:3px solid #7890ec;outline-offset:3px}.language-control:hover{background:#f4f6fc}

/* 聊天依然占滿可視範圍，語言鈕改小後還給標題更多空間。 */
.chat-open .workspace{padding-bottom:0}.chat-heading{background:#fff;border-color:#e4e8ef;padding-right:88px;gap:12px}
.chat-heading h1{font-size:20px;color:#293950}.chat-heading #chat-status{color:#6f7e94}.chat-back{color:#455b84}.chat-back:hover{background:#f0f3fc}
.chat-settings>summary{color:#526789}.chat-settings[open]>summary{background:#edf1fc}.chat-settings-panel{border-color:#dce3f0;box-shadow:0 16px 45px #1b2c4b26;border-radius:20px;background:#fff}
.chat-settings-panel h2{color:#2b3f62}.chat-settings-footer{background:#f8faff;border-color:#e3e9f3}.chat-options-grid label{color:#5b6f91}.chat-options-grid select,.chat-admin-controls select{border-color:#e0e6f0;border-radius:11px;color:#344b74;background:#fcfdff;font-size:16px}
.chat-feed{background:#eff2f7}.chat-message{background:#fff;color:#2a3b55;border-radius:18px 18px 18px 5px;box-shadow:0 2px 3px #213b6205}
.chat-message.own{background:#e0e8ff;color:#213b77;border-radius:18px 18px 5px 18px}.chat-message-header{color:#3e5276}.chat-label{color:#61789e}.chat-translated{border-color:#b7c7e77a}.chat-translation-status{color:#5c7091}
.chat-message-menu[open]>summary{background:#c9d8f7}.chat-message-actions{border-color:#dfe6f3;box-shadow:0 8px 24px #213b621f}.chat-message-actions button:hover{background:#eff3fb}
.chat-composer{background:#fff;border-color:#e2e7f1}.chat-auto{color:#40577d}.chat-auto input{accent-color:var(--brand)}.chat-composer textarea{background:#f4f6fa;border-color:#e4e8f0;border-radius:17px;color:#2c4166}
.chat-input-row #chat-send{background:var(--brand);border-radius:17px}.chat-quota-bar{color:#657895;border-color:#e8edf5}.chat-personal-quota-line button{color:#5671a5}.chat-personal-quota-line button:hover{background:#eff3fd}
.chat-compose-toolbar #chat-character-count,.chat-compose-toolbar #chat-target-summary,.chat-privacy{color:#6c7d97}

@media(min-width:1500px){#main-content{padding-top:52px}.auth-story{padding:48px 64px}}
@media(max-width:1100px) and (min-width:801px){
  .app-shell{grid-template-columns:208px minmax(0,1fr)}.sidebar{padding:28px 12px 0}.sidebar .brand{font-size:15px;gap:9px}.topbar{padding-left:28px}#main-content{padding:34px 28px}
  .home-heading h1{font-size:36px}.tool-card{padding:22px;min-height:250px}.tool-card h2{font-size:23px}.tool-card p{max-width:90%}.tool-art svg{width:75px;height:75px}.auth-story{padding:32px}.auth-panel{padding-left:30px;padding-right:30px}
}
@media(max-width:800px){
  .app-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto;min-height:76px;padding:18px 20px;background:var(--bg);color:var(--ink);border:0;overflow:visible;justify-content:center}
  .sidebar .brand{font-size:18px;max-width:calc(100% - 60px);width:auto;padding:0;color:#29384e}.sidebar .brand-mark{width:36px;height:36px;background:var(--brand)}
  .sidebar-caption,.sidebar-note,.sidebar-bottom,#tool-nav{display:none}.workspace{padding-bottom:calc(100px + env(safe-area-inset-bottom,0px))}.topbar,.workspace-footer{display:none}
  #main-content{padding:24px 22px 24px}.page-heading{gap:14px;margin-bottom:23px}.page-heading h1{font-size:30px}.page-heading .muted{font-size:13px}.page-heading .eyebrow{font-size:11px}
  .home-heading{margin:4px 0 26px}.home-heading h1{font-size:36px}.home-heading .overview-account{display:none}.tool-toolbar{gap:12px;margin-bottom:18px;align-items:center}.tool-toolbar>span{font-size:11px}
  .tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.tool-card{display:flex;padding:20px;min-height:230px;border-radius:19px}.tool-card h2{font-size:23px;margin-top:22px}.tool-card p{font-size:13px;max-width:100%}
  .tool-card-foot{grid-column:auto;font-size:11px;line-height:1.5}.tool-art{right:10px;bottom:60px}.tool-art svg{width:68px;height:68px}.tool-card[data-view=text],.tool-card[data-view=json]{min-height:208px}
  .mobile-dock{display:grid;grid-template-columns:1fr 1fr;gap:8px;position:fixed;left:16px;right:16px;bottom:calc(12px + env(safe-area-inset-bottom,0px));padding:8px;border:1px solid #ffffff12;border-radius:20px;background:#222c3c;box-shadow:0 8px 30px #15254022;z-index:40}
  .mobile-dock .nav-item{display:flex;flex-direction:row;justify-content:center;align-items:center;gap:9px;margin:0;min-height:48px;padding:10px 12px;color:#b8c6dd;border-radius:13px;font-size:13px}
  .mobile-dock .nav-item.active{background:#3f5480;color:#fff}.mobile-dock .nav-item svg{width:21px;height:21px}.mobile-dock .nav-item:hover{background:#334563}
  .language-control{top:calc(16px + env(safe-area-inset-top,0px));right:20px}.language-control select{width:44px;max-width:44px;font-size:16px}
  .auth-shell{grid-template-columns:1fr 1fr;padding:16px}.auth-story{padding:28px;min-height:calc(100svh - 32px)}.auth-story .brand{font-size:16px;gap:9px}.auth-story h1{font-size:34px}.auth-panel{padding:64px 28px 24px;min-height:calc(100svh - 32px)}
  .auth-story-content>p{font-size:13px}.auth-story .story-art{transform:scale(.72);transform-origin:left center}.settings-card,.utility-card{padding:23px}
  .chat-open .language-control{top:calc(10px + env(safe-area-inset-top,0px));right:12px}.chat-heading{padding:calc(8px + env(safe-area-inset-top,0px)) 72px 8px 8px;gap:8px}
  .chat-heading h1{font-size:18px}.chat-heading #chat-status{font-size:10px}.chat-settings>summary{width:40px;min-width:40px;height:44px}.chat-feed{padding:16px 12px}
  .chat-message{max-width:88%;padding:8px 12px 10px}.chat-composer{padding:6px 12px calc(10px + env(safe-area-inset-bottom,0px))}.chat-settings-panel{right:12px}.chat-settings-footer{padding:12px 16px}
}
@media(max-width:560px){
  .auth-shell{padding:0;display:block}.auth-story{min-height:auto;border-radius:0;padding:24px;background:var(--bg);color:#29384e}.auth-story .brand{color:#29384e;max-width:calc(100% - 52px)}
  .auth-story .brand-mark{background:var(--brand);color:#fff;border:0}.auth-story-content{padding:25px 0 4px;margin:0}.auth-story h1{font-size:28px;line-height:1.5;margin:0;color:#29384e;letter-spacing:-.035em}
  .auth-story h1 br{display:none}.auth-story h1 span{color:#526da9;display:block}.auth-story .eyebrow,.auth-story-content>p,.story-art,.auth-foot,.auth-story:after{display:none}
  .auth-panel{border-radius:24px 24px 0 0;margin:0;min-height:auto;padding:30px 25px}.auth-card h2{font-size:29px}.auth-card>p.muted{font-size:13px;margin-bottom:24px}.auth-bottom{margin-top:28px}
  .language-control{right:18px;top:18px}.sidebar{padding:16px 18px;min-height:76px}.sidebar .brand{font-size:17px}
  #main-content{padding:18px 18px 22px}.home-heading{margin:4px 0 24px}.home-heading h1{font-size:32px}.home-heading .muted{font-size:13px;max-width:280px}.home-heading .eyebrow{margin-bottom:7px}
  .tool-toolbar{flex-wrap:wrap;gap:10px;margin-bottom:16px}.tool-search-field{max-width:none}.tool-search-field input{font-size:14px;min-height:48px}.tool-toolbar>span{width:100%;text-align:right;padding-right:2px}
  .tool-grid{gap:12px}.tool-card{padding:16px;min-height:228px;border-radius:18px}.tool-card-top{gap:4px;align-items:flex-start}.tool-card .tool-icon{width:38px;height:38px;border-radius:12px}.tool-icon svg{width:21px;height:21px}
  .tool-category{font-size:10px;padding:2px 7px;max-width:62%;white-space:normal;overflow-wrap:anywhere}.tool-card h2{font-size:20px;margin:20px 0 8px;max-width:100%;overflow-wrap:anywhere}.tool-card p{font-size:12px;line-height:1.7;max-width:100%;margin-bottom:18px}
  .tool-card-foot{font-size:10px;align-items:flex-end;gap:4px}.tool-card-foot svg{width:25px;height:25px;padding:5px}.tool-art{display:none}.tool-card[data-view=text],.tool-card[data-view=json]{min-height:214px}.tool-card[data-view=text] h2,.tool-card[data-view=json] h2{font-size:19px;line-height:1.5;margin-top:18px}
  .quiet-note{font-size:11px;line-height:1.8;gap:9px;margin-top:20px}.page-heading h1{font-size:28px}.page-heading .muted{font-size:12px}.translation-heading>.button{font-size:12px;max-width:42%;min-width:90px;padding:9px 12px;gap:6px}
  .translation-model-row{padding:12px 14px;border-radius:14px;gap:7px}.translation-model-row select{font-size:14px;width:100%;flex-basis:100%}.translation-model-row>span{font-size:11px}
  .language-panel{border-radius:17px}.panel-heading{padding:10px 14px;min-height:72px}.panel-heading select{font-size:16px}.language-panel>textarea{min-height:165px;padding:18px;font-size:18px;line-height:1.7}
  .translation-output,.output-placeholder,.translation-loading{min-height:165px}.output-text{padding:18px;font-size:18px}.panel-footer{padding:8px 12px;min-height:64px}.panel-actions .icon-button{font-size:14px;min-height:46px}
  .translation-workbench{gap:14px}.translation-submit .button{min-height:52px;border-radius:13px}.speech-access{margin:14px 0;gap:10px}.speech-quick{gap:8px}.speech-consent{font-size:13px;line-height:1.6}
  .utility-card,.settings-card{padding:19px;border-radius:17px}.utility-actions .button{font-size:12px;min-height:44px}.utility-input{font-size:16px;min-height:260px}.code-input{font-size:14px}.section-title{gap:12px}
  .settings-card h2,.utility-card h2{font-size:19px}.personal-quota-card{padding:15px}.personal-quota-card h3{font-size:17px}.personal-meter>strong{font-size:15px}.personal-cost strong{font-size:17px}
  .toast{bottom:calc(94px + env(safe-area-inset-bottom,0px));font-size:12px}.chat-open .toast{bottom:20px}.chat-heading h1{font-size:18px}
}
@media(prefers-reduced-motion:reduce){.tool-card:hover{transform:none}}
@media(max-width:800px){
  /* 保留日常短句對談的緊湊布局與大顆操作鍵。 */
  .translation-heading{margin-bottom:16px}.translation-heading h1{margin:0;font-size:26px}
  .translation-model-row{padding:8px 12px;gap:4px 8px;margin-bottom:12px}.translation-model-row select{flex:1 1 0;width:auto;min-height:48px;font-size:16px}
  .panel-heading{min-height:62px;padding:6px 14px}.panel-heading>div{display:flex;align-items:center;gap:6px}.panel-heading .panel-kicker{flex-shrink:0;line-height:1.3}.panel-heading select{flex:1;min-width:0;min-height:44px}.language-panel>textarea{height:90px;min-height:90px;padding:12px 14px;font-size:17px}
  .translation-output,.output-placeholder,.output-text,.translation-loading{min-height:70px}.output-text{padding:12px 14px;font-size:17px}
  .panel-footer{min-height:60px;padding:6px 10px}.panel-actions .icon-button{height:48px;min-height:48px}
  .translation-workbench{gap:10px}.tool-search-field input{font-size:16px}
}

/* 外觀系統：明暗與主題色分離，全部工具共用語意色彩。 */
:root{
  --brand-hover:#2348c7;--on-brand:#fff;--surface:#fff;--surface-soft:#f5f7fb;
  --on-tint:#526078;--nav-bg:#222c3c;--nav-soft:#2a364a;--nav-text:#b7c2d4;
  --warm-surface:#fff0dc;--warm-ink:#806044;--warning-bg:#fff3d9;--warning-line:#f1dfb9;--warning-ink:#78551d;
  --danger-bg:#fff0ef;--danger-line:#f2cece;--success:#297657;
  --brand-soft:color-mix(in srgb,var(--brand) 10%,var(--paper));
  --brand-line:color-mix(in srgb,var(--brand) 28%,var(--paper));
  --nav-active:color-mix(in srgb,var(--brand) 22%,var(--nav-bg));
}
:root[data-color=teal]{--brand:#0c776a;--brand-hover:#075b51}
:root[data-color=violet]{--brand:#7048c6;--brand-hover:#5835a7}
:root[data-color=rose]{--brand:#b53664;--brand-hover:#942448}
:root[data-color=amber]{--brand:#965508;--brand-hover:#754004}
:root[data-color=slate]{--brand:#48627b;--brand-hover:#344b62}
:root[data-theme=dark]{
  color-scheme:dark;--bg:#151c28;--paper:#1e2837;--surface:#1e2837;--surface-soft:#242f40;
  --ink:#e4eaf4;--muted:#a8b6cb;--on-tint:#bfcee3;--line:#3b495e;
  --brand:#adc0ff;--brand-hover:#c4d1ff;--on-brand:#15244a;
  --nav-bg:#101824;--nav-soft:#1b2739;--nav-text:#b4c4db;
  --warm-surface:#352c24;--warm-ink:#e3bd91;--warning-bg:#382e1e;--warning-line:#6d572c;--warning-ink:#edcb8c;
  --danger:#ffb4bd;--danger-bg:#3a222b;--danger-line:#7a414c;--success:#8bdbb0;
  --shadow:0 4px 20px #00000014;
}
:root[data-theme=dark][data-color=teal]{--brand:#6bd7c0;--brand-hover:#8de5d3;--on-brand:#082b25}
:root[data-theme=dark][data-color=violet]{--brand:#c7b1ff;--brand-hover:#dacbff;--on-brand:#2a174b}
:root[data-theme=dark][data-color=rose]{--brand:#ffacc8;--brand-hover:#ffc6d9;--on-brand:#3b1526}
:root[data-theme=dark][data-color=amber]{--brand:#f5c27c;--brand-hover:#ffdaa4;--on-brand:#34230b}
:root[data-theme=dark][data-color=slate]{--brand:#aac9e6;--brand-hover:#c4ddf4;--on-brand:#132a3f}
html{background:var(--bg)}body{background:var(--bg);color:var(--ink)}
input:not([type=checkbox]),textarea,select{color:var(--ink);border-color:var(--line);background-color:var(--paper)}
input[readonly]{background:var(--surface-soft);color:var(--muted)}input::placeholder,textarea::placeholder{color:var(--muted);opacity:1}
input:focus,textarea:focus,select:focus-visible{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
:focus-visible{outline-color:var(--brand)}.muted,.small.muted{color:var(--muted)}
.primary,.brand-mark,.sidebar .brand-mark,.speech-quick .primary,.chat-input-row #chat-send{background:var(--brand);color:var(--on-brand)}
.primary:hover:not(:disabled){background:var(--brand-hover)}.secondary{background:var(--paper);border-color:var(--line);color:var(--ink)}
.subtle,.text-button{color:var(--brand)}.icon-button{color:var(--muted)}.icon-button:hover:not(:disabled){background:var(--brand-soft);color:var(--brand)}
.notice{background:var(--warning-bg);border-color:var(--warning-line);color:var(--warning-ink)}.notice code{background:var(--paper);color:var(--ink)}
.notice.danger{background:var(--danger-bg);border-color:var(--danger-line);color:var(--danger)}.form-error{color:var(--danger)}.success-text{color:var(--success)}
.badge,.heading-icon{background:var(--brand-soft);color:var(--brand)}.eyebrow,.home-heading .eyebrow{color:var(--brand)}
.sidebar{background:var(--nav-bg);color:var(--nav-text)}.sidebar .brand{color:#f2f5fc}.sidebar-caption{color:var(--nav-text)}
.sidebar .nav-item{color:var(--nav-text)}.sidebar .nav-item.active{background:var(--nav-active);color:#f2f5fc}.sidebar .nav-item:hover{background:var(--nav-soft);color:#fff}
.sidebar-note{background:var(--nav-soft)}.sidebar-note strong,.sidebar-note p,.profile>div>span{color:var(--nav-text)}
.profile .avatar{background:var(--nav-active);color:#f2f5fc}.profile .icon-button{color:var(--nav-text)}
.topbar{background:var(--bg);border-color:var(--line)}.breadcrumb,.breadcrumb strong,.breadcrumb>span{color:var(--muted)}
.connection-label{background:var(--paper);border-color:var(--line);color:var(--muted)}.workspace-footer{border-color:var(--line);color:var(--muted)}
.page-heading .eyebrow,.page-heading .muted{color:var(--muted)}.home-heading .eyebrow{color:var(--brand)}
.tool-search-field>svg,.tool-toolbar>span{color:var(--muted)}.tool-search-field input{background:var(--paper);border-color:var(--line)}
.tool-card{background:var(--paper);border-color:var(--line);color:var(--ink)}.tool-card:hover{border-color:var(--brand-line)}
.tool-card[data-view=translate]{background:var(--brand-soft);border-color:var(--brand-line)}.tool-card[data-view=chat]{background:var(--warm-surface);border-color:var(--line)}
.tool-card .tool-icon,.tool-card[data-view=translate] .tool-icon{background:var(--paper);color:var(--brand)}.tool-card[data-view=chat] .tool-icon{background:var(--paper);color:var(--warm-ink)}
.tool-category{color:var(--on-tint);border-color:var(--brand-line)}.tool-card[data-view=chat] .tool-category{color:var(--warm-ink);border-color:var(--line)}
.tool-card p,.tool-card-foot{color:var(--on-tint)}.tool-card[data-view=chat] p{color:var(--warm-ink)}.tool-card-foot svg{background:var(--paper);color:var(--brand)}
.tool-art{color:var(--brand)}.quiet-note,.quiet-note svg{color:var(--muted)}
.translation-model-row,.language-panel,.panel-heading{background:var(--paper);border-color:var(--line)}
.translation-model-row label,.translation-model-row>span{color:var(--muted)}.translation-model-row select{background:var(--surface-soft);color:var(--ink)}
.translation-model-row #translation-model-remaining{color:var(--brand)}.panel-kicker,.panel-number,.source-count{color:var(--muted)}.panel-heading select{background:transparent;color:var(--ink)}
.output-panel,.output-panel .panel-heading{background:var(--brand-soft)}.language-panel>textarea{background:transparent;color:var(--ink)}
.language-panel>textarea:focus{box-shadow:inset 0 0 0 2px var(--brand-line)}.output-text{color:var(--ink)}
.panel-footer{border-color:var(--line)}.panel-actions .icon-button,.panel-actions .copy-button{background:var(--surface-soft);color:var(--brand);border-color:var(--brand-line)}
.panel-footer>.icon-button,.privacy-line,.character-count,.translation-meta,.translation-meta label{color:var(--muted)}
.swap-button{background:var(--surface-soft);color:var(--brand);border-color:var(--line)}.output-symbol{background:var(--brand-soft);color:var(--brand)}
.output-placeholder>p,.output-placeholder>span:last-child,.translation-loading,.translation-loading small{color:var(--muted)}.loading-dot{border-color:var(--brand-line);border-top-color:var(--brand)}
.speech-consent,.speech-quick>span,.consent-note,.context-grid label,.advanced-content label,.speech-settings,.speech-settings label,.speech-settings select{color:var(--muted)}
.context-details,.translation-advanced{background:var(--paper);border-color:var(--line)}.context-details summary,.translation-advanced>summary{color:var(--ink)}
.translation-advanced>summary>span{background:transparent;color:var(--muted)}.context-details summary span{background:var(--brand-soft);color:var(--on-tint)}
.advanced-content .style-picker>span{color:var(--ink)}.style-option{background:var(--paper);color:var(--ink);border-color:var(--line)}
.style-option.selected{background:var(--brand-soft);color:var(--brand);border-color:var(--brand)}.context-grid textarea{border-color:var(--line)}
.utility-card,.settings-card,.account-card{background:var(--paper);border-color:var(--line);color:var(--ink)}.utility-input{background:var(--surface-soft)!important;color:var(--ink)}
.utility-card .badge{background:var(--brand-soft);color:var(--brand)}.utility-footer{color:var(--muted)}
.personal-quota-card,.member-usage,.stat-card{background:var(--surface-soft);border-color:var(--line);color:var(--ink)}.personal-quota-card h3{color:var(--ink)}
.personal-meter>span,.personal-meter>small,.personal-budget,.personal-service-cost,.personal-cost span,.personal-cost small,#personal-usage-status,.personal-usage-details summary,.stat-card>span,.stat-card>small{color:var(--muted)}
.personal-cost>div{border-color:var(--brand)}.personal-meter progress{accent-color:var(--brand)}.secret-box,.invite-result{background:var(--surface-soft);border-color:var(--brand-line)}
.recovery-box{background:var(--warning-bg);color:var(--warning-ink)}.recovery-codes code{background:var(--paper);color:var(--ink)}
.setup-steps,.invitation-row small,.audit-line{color:var(--muted)}.member-row,.invitation-row,.audit-line,.translation-model-card{border-color:var(--line)}.translation-model-card select{background:var(--surface-soft);border-color:var(--line)}
.language-control{background:var(--paper);border-color:var(--line)}.language-control>svg{color:var(--ink)}.language-control:hover{background:var(--surface-soft)}.language-control:focus-within{outline-color:var(--brand)}
.auth-panel{background:var(--paper)}.auth-card input:not([type=checkbox]){background:var(--surface-soft)}.auth-card label{color:var(--ink)}
.auth-card>p.muted,.auth-disclaimer,.auth-bottom{color:var(--muted)}.auth-disclaimer{border-color:var(--line)}.auth-story h1 span{color:var(--accent)}
.chat-heading,.chat-composer{background:var(--paper);border-color:var(--line)}.chat-heading h1{color:var(--ink)}.chat-heading #chat-status{color:var(--muted)}
.chat-back,.chat-settings>summary{color:var(--brand)}.chat-back:hover,.chat-settings[open]>summary{background:var(--brand-soft)}
.chat-settings-panel,.chat-message-actions{background:var(--paper);border-color:var(--line)}.chat-settings-panel h2{color:var(--ink)}
.chat-settings-footer{background:var(--surface-soft);border-color:var(--line)}.chat-options-grid label{color:var(--muted)}
.chat-options-grid select,.chat-admin-controls select{background:var(--surface-soft);color:var(--ink);border-color:var(--line)}
.chat-feed{background:var(--bg)}.chat-message{background:var(--paper);color:var(--ink)}.chat-message.own{background:var(--brand-soft);color:var(--ink)}
.chat-message-header,.chat-label,.chat-message-header time,.chat-translation-status{color:var(--on-tint)}.chat-translated{border-color:var(--brand-line)}
.chat-message-menu[open]>summary,.chat-message-actions button:hover{background:var(--brand-soft)}.chat-message-actions button{color:var(--ink)}
.chat-auto{color:var(--ink)}.chat-auto input{accent-color:var(--brand)}.chat-composer textarea{background:var(--surface-soft);border-color:var(--line);color:var(--ink)}
.chat-quota-bar{color:var(--muted);border-color:var(--line)}.chat-personal-quota-line button{color:var(--brand)}.chat-personal-quota-line button:hover{background:var(--brand-soft)}
.chat-compose-toolbar #chat-character-count,.chat-compose-toolbar #chat-target-summary,.chat-privacy{color:var(--muted)}
.toast{background:var(--ink);color:var(--paper)}

/* 外觀選擇器採原生單選鍵，保留方向鍵與觸控操作。 */
.appearance-card .heading-icon{width:44px;height:44px;flex-shrink:0;margin:0}.appearance-card .heading-icon svg{width:22px;height:22px}
.appearance-fieldset{border:0;padding:0;margin:24px 0 0;min-width:0}.appearance-fieldset legend{font-size:13px;font-weight:650;padding:0;margin-bottom:12px;color:var(--ink)}
.appearance-modes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;max-width:560px}
.appearance-choice{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-height:82px;min-width:0;padding:12px 8px;margin:0;border:1px solid var(--line);border-radius:13px;background:var(--surface-soft);color:var(--ink);font-size:13px;text-align:center;cursor:pointer;overflow-wrap:anywhere}
.appearance-choice input[type=radio]{position:absolute;inset:0;opacity:0;width:100%;height:100%;margin:0;padding:0;border:0;cursor:pointer}
.appearance-choice:has(input:checked){background:var(--brand-soft);border-color:var(--brand);box-shadow:inset 0 0 0 1px var(--brand);color:var(--brand)}
.appearance-choice:focus-within{outline:3px solid var(--brand);outline-offset:3px}.appearance-choice>svg{width:23px;height:23px;pointer-events:none}
.appearance-choice>span{pointer-events:none}.appearance-colors{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;max-width:760px}
.appearance-swatch{width:25px;height:25px;display:block;border-radius:50%;background:var(--swatch);border:2px solid color-mix(in srgb,var(--ink) 14%,transparent)}
[data-swatch=blue]{--swatch:#3157df}[data-swatch=teal]{--swatch:#0c776a}[data-swatch=violet]{--swatch:#7048c6}[data-swatch=rose]{--swatch:#b53664}[data-swatch=amber]{--swatch:#965508}[data-swatch=slate]{--swatch:#48627b}
[data-theme=dark] [data-swatch=blue]{--swatch:#adc0ff}[data-theme=dark] [data-swatch=teal]{--swatch:#6bd7c0}[data-theme=dark] [data-swatch=violet]{--swatch:#c7b1ff}[data-theme=dark] [data-swatch=rose]{--swatch:#ffacc8}[data-theme=dark] [data-swatch=amber]{--swatch:#f5c27c}[data-theme=dark] [data-swatch=slate]{--swatch:#aac9e6}
.appearance-note{margin:16px 0 0;line-height:1.8}
@media(max-width:800px){
  .sidebar{background:var(--bg);color:var(--ink)}.sidebar .brand{color:var(--ink)}
  .mobile-dock{background:var(--nav-bg)}.mobile-dock .nav-item{color:var(--nav-text)}.mobile-dock .nav-item.active{background:var(--nav-active);color:#f2f5fc}
  .mobile-dock .nav-item:hover{background:var(--nav-soft)}
}
@media(max-width:560px){
  .auth-story{background:var(--bg);color:var(--ink)}.auth-story .brand,.auth-story h1{color:var(--ink)}.auth-story h1 span{color:var(--brand)}
  .auth-story .brand-mark{background:var(--brand);color:var(--on-brand)}
  .appearance-modes,.appearance-colors{gap:8px}.appearance-colors{grid-template-columns:repeat(3,minmax(0,1fr))}.appearance-choice{font-size:12px;padding:12px 6px;min-height:80px}
}
@media(forced-colors:active){.appearance-choice:has(input:checked){outline:2px solid Highlight}.appearance-swatch{forced-color-adjust:none}}
/* 明暗切換立即套用，避免按鈕在顏色過渡期間短暫失去對比。 */
button,select{transition-property:box-shadow}.shortcut{color:var(--muted)}