:root{color:#26353d;font-synthesis:none;--bg:#fff;--panel:#f6f8f9;--text:#26353d;--muted:#5f6e76;--border:#e3e9eb;--mint:#007e70;--green:#00b99f;--tint:#e7f8f3;--hover:#edf2f3;--shadow:0 18px 60px #1b3a3310;background:#fff;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-weight:400}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}button{color:inherit}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline-offset:3px;outline:3px solid #00a991}a{color:var(--mint)}button{background:0 0;border:0}input,textarea,select{min-width:0;max-width:100%;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:12px 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0;font-size:13px;font-weight:600;display:inline-flex}.icon-btn{width:36px;height:36px;color:var(--muted);border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.icon-btn:hover{background:var(--hover);color:var(--text)}.muted{color:var(--muted);font-size:13px}.micro{color:var(--muted);margin:12px 0 0;font-size:11px;line-height:1.7}.center{text-align:center}.brand{color:var(--text);letter-spacing:-.8px;align-items:center;gap:8px;font-size:22px;font-weight:700;text-decoration:none;display:flex}.brand img{width:34px;height:34px;margin-right:3px}.brand>span{margin-left:-8px;font-weight:400}.brand>small{letter-spacing:0;color:var(--mint);background:var(--tint);border-radius:4px;align-self:flex-start;margin-top:1px;padding:3px 4px;font-size:9px}.brand.small{font-size:18px}.brand.small img{width:28px;height:28px}.status-dot{background:var(--green);border-radius:50%;flex-shrink:0;width:6px;height:6px;display:inline-block}.avatar{color:#306b64;letter-spacing:.1px;border-radius:11px;flex-shrink:0;justify-content:center;align-items:center;width:35px;height:35px;font-size:11px;font-weight:700;display:inline-flex}.mint{color:#286c5c;background:#d6f2e8}.lavender{color:#625285;background:#e9e3f8}.peach{color:#885330;background:#f9e8db}.blue{color:#42667d;background:#dfeef9}.login-page{color:#26353d;background:radial-gradient(at 14% 63%,#eaf7f0 0,#0000 48%),#fbfcfa;min-height:100vh;padding:34px 6vw 24px}.login-top{justify-content:space-between;align-items:center;max-width:1320px;margin:auto;display:flex}.subtle-link{color:#596b70;align-items:center;gap:6px;font-size:12px;text-decoration:none;display:flex}.login-grid{grid-template-columns:1.15fr .85fr;align-items:center;gap:clamp(50px,8vw,140px);max-width:1120px;margin:94px auto 65px;display:grid}.eyebrow{letter-spacing:1.65px;color:#55766a;align-items:center;gap:9px;font-size:9px;font-weight:700;display:flex}.login-story h1{letter-spacing:-2.9px;margin:24px 0 23px;font-size:clamp(40px,4.4vw,60px);font-weight:550;line-height:1.15}.login-story h1 em{color:#008b70;font-style:normal}.login-story>p{color:#64766e;max-width:380px;margin-bottom:30px;font-size:16px}.preview-card{background:#ffffffbf;border:1px solid #dbe8df;border-radius:13px;max-width:470px;padding:0 22px;transform:rotate(-1deg);box-shadow:0 10px 45px #3d6d4e0c}.preview-header{border-bottom:1px solid #eaf0ec;align-items:center;gap:12px;padding:20px 0;display:flex}.preview-header strong{font-size:13px;display:block}.preview-header 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span{background:var(--border);flex:1;height:1px}.preview-button{justify-content:space-between;width:100%}.login-footer{color:#76867c;justify-content:space-between;max-width:1320px;margin:auto;font-size:10px;display:flex}.notice{color:#79490b;background:#fff4e8;border:1px solid #f3dcb9;border-radius:8px;padding:12px;font-size:12px}.floating-error{background:#fff4e8;border-radius:8px;max-width:90vw;padding:18px;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.app{background:var(--bg);grid-template-rows:56px minmax(0,1fr);grid-template-columns:280px minmax(0,1fr);height:100dvh;display:grid;overflow:hidden}.topbar{background:var(--bg);border-bottom:1px solid var(--border);grid-column:1/-1;align-items:center;gap:18px;padding:0 22px;display:flex}.topbar .brand{width:238px}.global-search{background:var(--panel);border:1px solid var(--border);width:100%;max-width:480px;height:34px;color:var(--muted);border-radius:7px;align-items:center;gap:10px;margin:auto;padding:0 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.avatar{border-radius:50%}.message-content{flex:1;min-width:0;padding-right:25px}.message-meta{align-items:center;gap:9px;display:flex}.message-meta strong{font-size:12px;font-weight:650}.message-meta time{color:var(--muted);font-size:9px}.message p{white-space:pre-wrap;overflow-wrap:anywhere;max-width:980px;margin:5px 0 0;font-size:12px;line-height:1.7}.message p small{color:var(--muted);font-size:9px}.you-tag{background:var(--panel);color:var(--muted);border-radius:3px;padding:2px 4px;font-size:8px}.message.grouped{min-height:25px;padding-top:0}.grouped .message-content p{margin-top:0}.message-reply{opacity:0;width:27px;height:27px;position:absolute;top:5px;right:0}.message:hover .message-reply,.message:focus-within .message-reply{opacity:1}.reactions{gap:5px;margin-top:9px;display:flex}.reaction{border:1px solid var(--border);background:var(--panel);color:var(--muted);border-radius:6px;align-items:center;gap:4px;padding:3px 7px;font-size:10px;display:inline-flex}.reply-preview{color:var(--muted);align-items:center;gap:5px;margin:0 0 7px;font-size:9px;display:flex}.composer-area{border-top:1px solid var(--border);padding:15px 30px 12px}.composer{background:var(--bg);border:1px solid #d9e2e2;border-radius:10px;box-shadow:0 2px 6px #143e3210}.composer:focus-within{border-color:#67b9a8;box-shadow:0 0 0 2px #00b99f10}.composer textarea{resize:vertical;background:0 0;border:0;outline:none;width:100%;min-height:60px;max-height:180px;padding:14px 16px 0;font-size:12px;line-height:1.6}.composer-tools{justify-content:space-between;align-items:center;padding:5px 10px 10px;display:flex}.composer-left{align-items:center;gap:8px;display:flex}.composer-left .icon-btn{width:29px;height:29px}.tool-divider{background:var(--border);width:1px;height:15px}.encryption-toggle{color:var(--muted);align-items:center;gap:5px;padding:5px;font-size:9px;display:flex}.encryption-toggle.on{color:var(--mint)}.composer.encrypted{border-color:var(--mint)}.send-button{background:var(--mint);color:#fff;border-radius:6px;align-items:center;gap:10px;height:33px;padding:8px 12px;font-size:11px;font-weight:600;display:flex}.send-button:disabled{color:#38524b;opacity:1;background:#c6d6d2}.send-button:hover:not(:disabled){background:#00675b}.composer-footer{color:var(--muted);justify-content:space-between;gap:12px;margin:9px 2px 0;font-size:8px;display:flex}.composer-footer>span{align-items:center;gap:4px;display:flex}.emoji-container{position:relative}.emoji-picker{border:1px solid var(--border);background:var(--bg);box-shadow:var(--shadow);border-radius:9px;grid-template-columns:repeat(4,34px);padding:10px;display:grid;position:absolute;bottom:38px;left:0}.emoji-picker button{width:34px;height:34px;font-size:20px}.emoji-picker button:hover{background:var(--hover)}.reply-bar{color:var(--muted);align-items:center;gap:10px;padding:8px 0 15px;font-size:10px;display:flex}.reply-bar>span{flex:1;min-width:0}.reply-bar small{text-overflow:ellipsis;white-space:nowrap;margin-top:4px;font-size:10px;display:block;overflow:hidden}.message-search{border-bottom:1px solid var(--border);color:var(--muted);align-items:center;gap:12px;padding:10px 30px;font-size:11px;display:flex}.message-search input{border:0;flex:1;padding:6px}.error-banner{color:#824c0c;background:#fff4e6;justify-content:space-between;align-items:center;gap:10px;padding:10px 20px;font-size:12px;display:flex}.empty{text-align:center;color:var(--muted);padding:30px 10px;font-size:12px}.empty svg{margin:auto}.skeleton{color:var(--muted);padding:30px;font-size:12px}.load-older{color:var(--mint);margin:auto;font-size:11px;display:block}.mobile-back{display:none}.compact .message{padding-top:5px;padding-bottom:5px}.compact .message p{line-height:1.45}dialog{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:16px;width:min(560px,100vw - 32px);max-height:85dvh;padding:0;box-shadow:0 24px 100px #0c242f45}dialog::backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#10292270}.modal-header{border-bottom:1px solid var(--border);background:var(--bg);z-index:1;justify-content:space-between;align-items:center;padding:18px 24px;display:flex;position:sticky;top:0}.modal-header h2{letter-spacing:-.4px;margin:0;font-size:18px;font-weight:600}.modal-body{padding:24px}.setting-row{border-bottom:1px solid var(--border);width:100%;color:var(--text);justify-content:space-between;align-items:center;gap:20px;padding:16px 0;font-size:13px;display:flex}.setting-row>span{align-items:center;gap:10px;display:flex}.setting-row input{width:19px;height:19px;accent-color:var(--mint)}.setting-row+.muted{margin-top:20px}.callout{background:var(--tint);color:var(--mint);border-radius:10px;align-items:flex-start;gap:12px;margin-bottom:20px;padding:16px;font-size:12px;display:flex}.callout p{margin:7px 0 0;font-size:11px}.callout>svg{width:21px}.security-panel>h3{margin-top:25px}.success{color:var(--mint);font-size:12px}.fingerprint{overflow-wrap:anywhere;background:var(--panel);border-radius:6px;margin-bottom:14px;padding:14px;font-size:12px;line-height:1.7;display:block}.button-row,.key-downloads{flex-wrap:wrap;gap:8px;display:flex}.key-downloads{margin-top:15px}.accent{color:var(--mint)}:root[data-theme=dark]{--bg:#182327;--panel:#142024;--text:#e0e8e8;--muted:#a0b1b7;--border:#2e3c40;--mint:#54dbc0;--green:#4ed3bb;--tint:#203d36;--hover:#24363b;color:var(--text);background:var(--bg)}[data-theme=dark] .primary,[data-theme=dark] .send-button{color:#fff;background:#168977}[data-theme=dark] .primary:hover{background:#107665}[data-theme=dark] .login-page{color:var(--text);background:#142024}[data-theme=dark] .login-story h1 em{color:#58d8b8}[data-theme=dark] .login-story>p,[data-theme=dark] .eyebrow,[data-theme=dark] .feature-row,[data-theme=dark] .subtle-link{color:#a4b9af}[data-theme=dark] .preview-card{background:#20312b;border-color:#30493e}[data-theme=dark] .preview-message p,[data-theme=dark] .preview-header small{color:#b1c1b9}[data-theme=dark] .preview-header,[data-theme=dark] .preview-compose{border-color:#365044}[data-theme=dark] .composer{border-color:#3b5056}@media (width>=1500px){.app{grid-template-columns:300px minmax(0,1fr)}.message-scroll{padding-left:45px;padding-right:45px}.message p{font-size:14px}.message-meta strong{font-size:13px}.message-meta time{font-size:10px}.chat-label strong{font-size:12px}.chat-row{padding:13px 9px}.message{padding:13px 0}.composer-area{padding:19px 44px 14px}.composer textarea{font-size:14px}.chat-header{padding-left:44px}.conversation-intro{margin-top:30px}.conversation-intro h2{font-size:27px}.conversation-intro p{font-size:13px}}@media (width<=1000px){.login-page{padding:24px 5vw}.login-grid{gap:45px;margin:70px auto}.login-form-card{padding:26px}.feature-row{flex-wrap:wrap;gap:12px}.login-story h1{font-size:43px}.app{grid-template-columns:250px minmax(0,1fr)}.topbar .brand{width:208px}.chat-actions{gap:0}.chat-header{padding:15px 20px}.message-scroll{padding:16px 22px}.composer-area{padding:14px 20px}.preview-banner{padding:8px 20px}.preview-banner>button,.composer-footer>span:last-child,.connection{display:none}}@media (width<=720px){.login-top .subtle-link{font-size:10px}.login-page{padding:23px 22px}.login-grid{flex-direction:column;gap:35px;margin:48px 0 40px;display:flex}.login-story{width:100%;max-width:430px}.login-story h1{letter-spacing:-1.8px;margin-top:20px;font-size:43px}.login-story>p{font-size:14px}.preview-card{display:none}.feature-row{gap:20px;margin-top:22px;font-size:9px}.eyebrow{letter-spacing:1px;font-size:8px}.login-form-card{width:100%;max-width:430px;padding:27px}.login-footer{flex-direction:column;gap:16px;font-size:9px}.app{grid-template-rows:54px minmax(0,1fr);grid-template-columns:1fr}.topbar{gap:10px;padding:0 14px}.topbar .brand{width:auto;font-size:15px}.topbar .brand img{width:24px;height:24px}.topbar .brand>small{display:none}.global-search{border:0;width:50%;max-width:none;margin-left:auto}.global-search input{font-size:10px}.global-search kbd{display:none}.topbar>.icon-btn{width:27px}.sidebar{border:0;grid-area:2/1}.conversation{grid-area:2/1;display:none}.show-chat .conversation{display:flex}.show-chat .sidebar{display:none}.workspace{padding:22px}.workspace strong{font-size:14px}.workspace span{font-size:11px}.demo-label{margin-left:23px}.chat-row{padding:13px 10px}.chat-label strong{font-size:13px}.chat-label small{font-size:8px}.chat-list{padding:10px 15px}.side-tabs{padding:0 20px 17px}.side-tabs>button{padding:9px 16px;font-size:12px}.list-heading{font-size:9px}.avatar{width:38px;height:38px}.chat-header{gap:8px;min-height:68px;padding:11px 12px}.chat-header>.avatar{width:33px;height:33px;font-size:10px}.chat-heading h1{max-width:170px;font-size:14px}.chat-actions{flex-shrink:0;gap:0}.chat-actions>.icon-btn{width:29px;height:33px}.mobile-back{width:26px;display:inline-flex}.preview-banner{padding:7px 15px;font-size:9px}.message-scroll{padding:15px 18px}.conversation-intro{margin:8px 0 22px}.conversation-intro h2{font-size:21px}.conversation-intro p{font-size:11px}.intro-icon{border-radius:12px;width:43px;height:43px}.message{gap:10px;padding:10px 0}.message-avatar{width:31px}.message .avatar{width:31px;height:31px;font-size:9px}.message p{font-size:13px}.message-meta 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