:root{color-scheme:light;--ink:#21334e;--muted:#68768b;--accent:#315bd6;--accent-soft:#eaf0ff;--line:#e0e6ef;--paper:#fff;--canvas:#f8fafc;--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--canvas);font:14px/1.65 var(--font);-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit;color:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;opacity:.5}a{color:inherit;text-decoration:none}button{border:0}svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.sprite,[hidden]{display:none!important}:focus-visible{outline:3px solid #315bd680;outline-offset:3px}::selection{background:#fff0ae}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.eyebrow{font-size:10px;font-weight:650;letter-spacing:2.5px;color:var(--muted)}.wordmark{font-size:31px;font-weight:750;letter-spacing:-1.8px;line-height:1.2}.wordmark span{color:var(--accent)}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;background:transparent;color:var(--muted)}.icon-button:hover{background:#eaf0f7;color:var(--ink)}.primary{display:flex;justify-content:center;align-items:center;gap:14px;min-height:48px;border-radius:12px;background:var(--accent);color:#fff;font-weight:600}.primary:hover{background:#2448b5}.text-button{background:transparent;color:var(--muted);font-size:12px;padding:10px}.text-button:hover{color:var(--accent)}.mobile-only{display:none}
.login-view{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:100px 24px 110px;background:radial-gradient(ellipse at 50% 48%,#edf3ff 0,transparent 62%),var(--canvas)}.login-brand{position:absolute;top:36px;left:48px}.login-card{width:410px;max-width:100%;padding:38px 38px 28px;background:#ffffffec;border:1px solid #fff;border-radius:25px;box-shadow:0 18px 90px #365b8a10,0 1px 6px #365b8a04}.lock-emblem{display:grid;place-items:center;width:48px;height:48px;border-radius:15px;color:var(--accent);background:var(--accent-soft);margin-bottom:25px}.lock-emblem svg{width:24px;height:24px}.login-card .eyebrow{margin:0 0 9px;font-size:9px;letter-spacing:2px}.login-card h1{font-size:27px;letter-spacing:-.9px;line-height:1.45;margin:0 0 12px;font-weight:650}.login-description{color:var(--muted);font-size:13px;line-height:1.9;margin:0 0 30px}.login-card label{font-size:12px;font-weight:600;display:block;margin-bottom:8px}.password-field{display:flex;align-items:center;border:1px solid var(--line);background:#fafbfd;border-radius:11px;padding-right:7px}.password-field:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px #315bd610}.password-field input{width:100%;min-width:0;border:0;outline:none;background:transparent;padding:13px 14px;font-size:16px}.password-field input:focus-visible{outline:none}.password-field input::placeholder{font-size:13px;color:#8e9aac}.login-submit{width:100%;margin-top:17px;font-size:13px}.login-submit span{margin-left:auto}.login-submit{padding:0 17px;justify-content:space-between}.private-note{display:flex;justify-content:center;align-items:center;gap:6px;font-size:10px;color:var(--muted);margin-top:25px}.private-note svg{width:12px;height:12px}.form-error{font-size:12px;color:#b33434;margin:10px 0 0}.login-footer{position:absolute;bottom:28px;left:0;right:0;display:flex;justify-content:center;gap:22px;color:var(--muted);font-size:10px}.login-footer a{color:#53647c}.login-footer span{border-left:1px solid var(--line);padding-left:22px}
.app{display:flex;height:100vh;height:100dvh;overflow:hidden}.sidebar{width:264px;flex-shrink:0;background:#eef2f8;border-right:1px solid var(--line);padding:28px 17px 0;display:flex;flex-direction:column}.sidebar-brand{display:flex;align-items:center;gap:16px;padding:0 9px;margin-bottom:30px}.private-tag{display:flex;align-items:center;gap:4px;font-size:10px;color:var(--muted)}.private-tag svg{width:11px;height:11px}.new-chat{display:flex;align-items:center;gap:10px;padding:12px 13px;text-align:left;background:#fff;border:1px solid #dce4ef;border-radius:11px;font-size:12px;font-weight:600;box-shadow:0 2px 3px #00000002}.new-chat svg{width:17px;height:17px;color:var(--accent)}.new-chat>span{margin-left:auto;color:var(--muted)}.new-chat:hover{border-color:#b8c9eb}.search-label{font-size:10px;color:var(--muted);margin:27px 10px 10px;letter-spacing:1px}.thread-search{margin:0 2px 12px;width:calc(100% - 4px);padding:8px 10px;border:1px solid transparent;border-radius:8px;background:#e0e7f280;font-size:12px;outline:none}.thread-search:focus{border-color:#b8c9eb}.thread-list{flex:1;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#c3cfe0 transparent}.thread-button{display:block;width:100%;padding:11px 10px;border-radius:9px;background:transparent;text-align:left;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:12px;color:#5f7087;margin-bottom:3px}.thread-button:hover{background:#e1e8f3}.thread-button.selected{background:#fff;color:var(--ink);box-shadow:0 1px 4px #2d4c7c10}.thread-empty{font-size:12px;color:var(--muted);padding:12px 10px}.sidebar-footer{display:flex;align-items:center;gap:10px;margin-top:15px;padding:17px 6px 20px;border-top:1px solid var(--line)}.owner-avatar{display:grid;place-items:center;width:31px;height:31px;border-radius:11px;background:#f7e9af;color:#77632e;font-size:12px;font-weight:700}.sidebar-footer strong{display:block;font-size:11px;font-weight:600}.sidebar-footer span{display:block;font-size:9px;color:var(--muted)}.sidebar-footer button{margin-left:auto}
.chat-main{flex:1;min-width:0;display:flex;flex-direction:column;position:relative}.chat-header{display:flex;align-items:center;gap:12px;padding:23px 37px;border-bottom:1px solid #e4eaf270;min-height:82px;flex-shrink:0}.header-title .eyebrow{font-size:8px;letter-spacing:2px;display:block;margin-bottom:2px}.header-title{min-width:0}.header-title h1{font-size:13px;font-weight:600;margin:0;max-width:50vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.connection{margin-left:auto;display:flex;align-items:center;gap:7px;white-space:nowrap;font-size:10px;color:var(--muted);padding:7px 10px;background:#edf2f9;border-radius:20px}.status-dot{width:6px;height:6px;border-radius:50%;background:#98a8bf}.status-dot.online{background:#6c9d7b;box-shadow:0 0 0 3px #6c9d7b12}.status-dot.offline{background:#d27960}.notice{margin:12px 28px 0;padding:10px 15px;border:1px solid #ecdfb2;background:#fff8df;color:#7c6b36;border-radius:9px;font-size:12px}.conversation{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:22px max(24px,calc((100% - 780px)/2));scrollbar-width:thin;scrollbar-color:#d7e1ee transparent}.conversation:focus-visible{outline-offset:-3px}.welcome{max-width:620px;width:100%;margin:clamp(20px,9vh,110px) auto 35px;text-align:center}.welcome-mark{display:inline-flex;align-items:baseline;justify-content:center;font-size:41px;font-weight:700;letter-spacing:-4px;line-height:1;width:72px;height:72px;padding-top:14px;background:#fff4ce;border:1px solid #e9ddaf;border-radius:23px;color:#526990;transform:rotate(-5deg);margin-bottom:20px}.welcome-mark span{color:var(--accent);margin-left:1px}.welcome .eyebrow{font-size:8px;letter-spacing:2.5px;margin:7px 0 14px}.welcome h2{font-size:30px;font-weight:550;letter-spacing:-1.1px;margin:0 0 10px}.welcome>p:not(.eyebrow){font-size:12px;color:var(--muted);margin:0}.suggestions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:37px auto 0;max-width:550px}.suggestion{text-align:left;position:relative;padding:21px 18px 18px;background:#fff;border:1px solid var(--line);border-radius:13px;transition:transform .2s,border-color .2s}.suggestion:hover{transform:translateY(-3px);border-color:#b8c9eb}.suggestion>svg{width:19px;height:19px;color:var(--accent);margin-bottom:13px;display:block}.suggestion strong{font-size:12px;display:block;font-weight:550;margin-bottom:4px}.suggestion span{font-size:10px;color:var(--muted);display:block}.suggestion b{position:absolute;right:17px;top:18px;color:#8e9cb0;font-weight:400}.messages{width:100%;max-width:780px;margin:0 auto}.message{margin:0 0 27px;min-width:0}.message-head{font-size:10px;font-weight:650;color:var(--muted);margin-bottom:8px;display:flex;align-items:center;gap:7px}.message-head .mini-mark{background:#fff4cf;color:#7f6b32;border-radius:5px;padding:0 5px;font-size:10px}.message.user{margin-left:clamp(15px,12%,100px)}.message.user .message-head{justify-content:flex-end}.message.user .message-body{background:#eaf0fb;border:1px solid #dde5f3;border-radius:15px 4px 15px 15px;padding:13px 17px;font-size:13px}.message-body{font-size:14px;line-height:1.9;overflow-wrap:anywhere;white-space:pre-wrap}.message-body pre{white-space:pre;overflow-x:auto;background:#e9eef6;padding:14px;border-radius:9px;font:12px/1.7 Consolas,monospace;max-width:100%}.message-body code{font-family:Consolas,monospace;font-size:.9em;background:#e9eef6;padding:2px 4px;border-radius:4px}.message-body pre code{padding:0;background:transparent}.message-body a{color:var(--accent);text-decoration:underline}.image-grid{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}.image-card{max-width:360px;min-width:0}.image-card button{padding:0;background:transparent;display:block;overflow:hidden;border-radius:13px;border:1px solid var(--line)}.image-card img{display:block;max-width:100%;max-height:380px;object-fit:contain}.image-card a{display:inline-block;color:var(--muted);font-size:10px;padding:7px 1px}.image-card a:hover{color:var(--accent)}.older-messages{display:block;margin:0 auto 20px}
.composer-area{width:100%;max-width:828px;margin:0 auto;padding:12px 24px 15px;flex-shrink:0}.composer{background:#fff;border:1px solid #d5dfed;border-radius:17px;box-shadow:0 5px 20px #2f558805;padding:13px 14px 9px;transition:box-shadow .2s,border-color .2s}.composer:focus-within{border-color:#abc0e7;box-shadow:0 3px 18px #2f558809}.composer.dragging{border-color:var(--accent);background:#f1f5ff}.composer textarea{display:block;width:100%;resize:none;border:0;outline:none;background:transparent;padding:0 3px 10px;font-size:14px;line-height:1.65;max-height:170px;min-height:44px}.composer textarea:focus-visible{outline:none}.composer textarea::placeholder{color:#8e9aae;font-size:13px}.composer-tools{display:flex;align-items:center;gap:6px;justify-content:space-between}.composer-left{display:flex;align-items:center;gap:10px;min-width:0}.composer-left>.icon-button{width:30px;height:30px;border:1px solid var(--line);border-radius:50%}.mode-switch{display:flex;align-items:center;gap:3px;background:#f0f3f8;border-radius:8px;padding:3px}.mode{display:flex;align-items:center;gap:4px;white-space:nowrap;background:transparent;border-radius:5px;padding:4px 9px;font-size:10px;color:var(--muted)}.mode svg{width:12px;height:12px}.mode.active{background:#fff;color:#315bd6;box-shadow:0 1px 4px #00000009}.composer select{max-width:160px;min-width:0;font-size:10px;border:0;background:transparent;color:var(--muted);padding:5px 0}.send-button,.stop-button{display:grid;place-items:center;width:32px;height:32px;flex-shrink:0;background:var(--accent);border-radius:10px;color:#fff}.send-button svg{width:18px;height:18px}.send-button:hover{background:#2448b5}.stop-button{background:#e5ecf6}.stop-button span{width:10px;height:10px;background:#647da4;border-radius:2px}.composer-note{font-size:9px;color:#8794a7;text-align:center;margin:10px 0 0}.activity{font-size:11px;color:var(--muted);margin:0 4px 8px}.activity::before{content:"";display:inline-block;width:5px;height:5px;background:var(--accent);border-radius:50%;margin-right:7px;animation:pulse 1.4s infinite}.attachments{display:flex;gap:8px;flex-wrap:wrap}.attachment{position:relative;margin-bottom:11px}.attachment img{display:block;width:65px;height:65px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}.attachment button{position:absolute;right:-5px;top:-5px;display:grid;place-items:center;width:21px;height:21px;border-radius:50%;background:var(--ink);color:#fff;font-size:13px}.approval-card{padding:18px;border:1px solid #ebdfb5;background:#fffae8;border-radius:12px;margin:16px 0}.approval-card h3{font-size:13px;margin:0 0 12px;font-weight:600}.approval-card pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:11px;background:#f2e8c8;padding:10px;border-radius:8px}.approval-actions{display:flex;gap:8px;margin-top:14px}.approval-actions button{padding:8px 15px;border-radius:8px;background:#eee2b7;font-size:12px}.approval-actions button:first-child{color:#fff;background:#315bd6}.approval-question{margin:12px 0}.approval-question label{display:block;font-size:12px;margin-bottom:5px}.approval-question input,.approval-question select{width:100%;padding:9px;background:#fff;border:1px solid #ded7bc;border-radius:7px}.approval-question small{display:block;color:var(--muted);font-size:10px;margin:5px 0}.image-viewer{border:1px solid var(--line);border-radius:18px;padding:42px 16px 16px;max-width:min(95vw,1000px);max-height:95dvh;background:var(--canvas)}.image-viewer::backdrop{background:#172b48cc;backdrop-filter:blur(6px)}.image-viewer>.icon-button{position:absolute;right:6px;top:4px}.image-viewer>img{display:block;max-width:100%;max-height:70dvh;object-fit:contain;margin:auto}.image-viewer>a{font-size:12px;width:140px;margin:15px auto 0;min-height:38px}.drawer-backdrop{position:fixed;inset:0;background:#172b4860;z-index:20}@keyframes pulse{50%{opacity:.3}}
@media(min-width:1450px){.sidebar{width:286px}.conversation{padding-top:34px}.welcome{margin-top:12vh}}
@media(max-width:900px){.sidebar{width:228px}.sidebar-brand{gap:10px}.chat-header{padding:20px 24px}.conversation{padding:20px}.welcome h2{font-size:26px}.suggestion{padding:18px 13px}.composer-left{gap:7px}.composer select{max-width:110px}}
@media(max-width:640px){.mobile-only{display:inline-flex}.login-view{padding:100px 21px}.login-brand{left:25px;top:26px;font-size:29px}.login-card{padding:30px 25px 25px;border-radius:23px}.login-card h1{font-size:25px}.login-footer{bottom:22px;gap:15px;font-size:9px}.login-footer span{padding-left:15px}.sidebar{position:fixed;left:0;top:0;bottom:0;width:min(85vw,295px);z-index:21;transform:translateX(-100%);transition:transform .2s;padding-top:24px}.sidebar.open{transform:translateX(0)}.sidebar-brand{margin-bottom:25px}.sidebar-brand button{margin-left:auto}.chat-header{min-height:72px;padding:14px 16px;gap:9px}.chat-header>.icon-button{margin-left:-4px;width:30px}.header-title h1{font-size:12px;max-width:39vw}.header-title .eyebrow{font-size:7px;letter-spacing:1.5px}.connection{font-size:9px;padding:6px 9px;gap:6px}.conversation{padding:18px 18px 10px}.welcome{margin-top:clamp(25px,7vh,70px)}.welcome-mark{width:62px;height:62px;border-radius:20px;font-size:36px;margin-bottom:18px;padding-top:11px}.welcome h2{font-size:25px;letter-spacing:-.8px}.welcome>p:not(.eyebrow){font-size:11px}.welcome .eyebrow{letter-spacing:1.8px;font-size:7px}.suggestions{gap:9px;margin-top:29px}.suggestion{padding:17px 12px 14px;border-radius:12px}.suggestion strong{font-size:11px}.suggestion span{font-size:9px;line-height:1.6;max-width:125px}.suggestion>svg{width:17px;height:17px;margin-bottom:13px}.suggestion b{right:12px;top:12px;font-size:11px}.composer-area{padding:9px 12px max(12px,env(safe-area-inset-bottom))}.composer{padding:12px 11px 9px;border-radius:15px}.composer textarea{font-size:16px;min-height:42px;padding-bottom:10px}.composer-left{gap:6px}.composer select{max-width:100px;font-size:9px}.mode{padding:4px 7px;font-size:10px}.mode-switch{gap:0}.composer-note{font-size:8px;margin-top:8px}.notice{margin:8px 12px 0;font-size:11px;padding:9px 12px}.message-body{font-size:13px}.message.user .message-body{font-size:13px}.message{margin-bottom:22px}.image-card{max-width:100%}.image-card img{max-height:350px}.private-note{font-size:9px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* The same blue-and-yellow identity as the public site. */
.wordmark span{color:#dfb632}.lock-emblem{background:#fff4ce;color:var(--accent)}.login-card{border-color:#e7edf6;box-shadow:0 22px 85px #315bd60c}.primary:hover,.send-button:hover{background:#2448b5}.login-brand{color:#21334e}.login-footer a:hover{color:var(--accent)}