:root{--paper:#fff;--fog:#eff4f7;--ink:#17394f;--teal:#177a72;--muted:#687581;--line:#d7e2e8;--error:#a23036;font:15px/1.6 "PingFang SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;color:var(--ink)}*{box-sizing:border-box}body{margin:0;background:var(--paper)}[hidden]{display:none!important}button,input,textarea{font:inherit}button{border:1px solid transparent;background:var(--teal);color:white;border-radius:9px;padding:10px 17px;cursor:pointer;white-space:nowrap}button:disabled{opacity:.5;cursor:wait}button:hover{filter:brightness(.94)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #62acbc;outline-offset:3px}input,textarea{background:white;color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:12px 14px;min-width:0}input::placeholder,textarea::placeholder{color:#71828d}a{color:var(--teal)}h1,h2,p{margin:0}h1{font-size:23px;letter-spacing:-.5px;line-height:1.4}h2{font-size:19px;font-weight:600}p{line-height:1.8;color:var(--muted)}.hint{font-size:12px;line-height:1.9;color:var(--muted);margin:12px 0}.plain{background:transparent;border:0;color:var(--ink);padding:7px 4px}.secondary{background:white;color:var(--ink);border-color:var(--line)}.brand{display:flex;gap:11px;align-items:center;color:var(--ink);text-decoration:none;font-size:22px}.brand-mark{width:36px;height:36px;display:grid;place-items:center;background:var(--ink);border-radius:9px;color:white;font-size:22px}.brand-mark.large{width:54px;height:54px;font-size:28px;margin-bottom:16px}.gate{min-height:100dvh;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:30px 22px;background:var(--fog)}.gate>h1{font-size:32px}.gate>p{margin:5px 0 25px}.gate-form{width:100%;max-width:440px;padding:28px;border:1px solid var(--line);border-radius:16px;background:white}.gate-form>p{font-size:13px;margin-top:7px}.gate-form label{display:block;font-size:13px;margin:17px 0 7px}.gate-form input,.gate-form button{width:100%}.gate-form button{margin-top:12px}#login-error{color:var(--error);font-size:13px}.workspace{height:100dvh;display:grid;grid-template-columns:270px minmax(0,1fr)}.sidebar{background:var(--fog);border-right:1px solid var(--line);padding:24px 16px;display:flex;flex-direction:column;overflow:hidden}.sidebar-head{display:flex;align-items:center;justify-content:space-between;padding:0 8px}.icon-button{background:transparent;border:1px solid var(--line);color:var(--ink);width:34px;height:34px;padding:0;font-size:25px}.search-button{display:flex;justify-content:space-between;text-align:left;margin:28px 0 22px;border:1px solid var(--line);background:white;color:var(--muted);font-size:12px;padding:11px 12px}.section-label{font-size:11px;color:var(--muted);padding:0 12px 10px}#conversation-list{overflow:auto;flex:1}.conversation-item{width:100%;text-align:left;display:block;background:transparent;color:var(--ink);padding:13px 12px;margin-bottom:4px;border-radius:9px}.conversation-item.active{background:#dcebe9}.conversation-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:500}.conversation-preview{font-size:11px;color:var(--muted);overflow:hidden;white-space:nowrap;text-overflow:ellipsis;margin-top:4px;line-height:1.6}.sidebar-footer{padding:16px 10px 0;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.dot{display:inline-block;width:6px;height:6px;background:var(--teal);border-radius:50%;margin-right:7px}.footer-actions{display:flex;justify-content:space-between;margin-top:10px;font-size:13px}.main{height:100dvh;display:flex;flex-direction:column;min-width:0}.topbar{min-height:88px;padding:18px 32px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:17px}.conversation-heading{flex:1;min-width:0}.conversation-heading h1{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:20px}.conversation-heading p{font-size:11px;margin-top:3px}.topbar button{font-size:12px}.thread{overflow:auto;flex:1;padding:28px max(32px,calc((100% - 850px)/2));scroll-behavior:auto}.welcome{padding:18vh 0 40px;text-align:center}.welcome h2{font-size:26px;letter-spacing:-.5px;margin-bottom:10px}.welcome p{font-size:14px}.message{margin:0 0 25px;max-width:100%;scroll-margin:25px}.message-meta{display:flex;align-items:center;gap:12px;font-size:11px;color:var(--muted);margin-bottom:7px}.message-meta strong{font-size:12px;color:var(--ink);font-weight:500}.message-body{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.95;font-size:15px;max-width:75ch}.message.user .message-body:not(:empty){background:var(--fog);padding:13px 17px;border-radius:10px;display:inline-block;max-width:100%}.message.assistant{border-left:3px solid #8dbcb5;padding-left:17px}.message.target{background:#f2f8f7;outline:2px solid #b8d4cf;border-radius:8px;padding:12px}.file-card{display:flex;align-items:center;gap:13px;border:1px solid var(--line);padding:12px 14px;border-radius:8px;margin:9px 0;max-width:460px;background:#fff}.file-symbol{width:33px;height:40px;min-width:33px;background:var(--fog);border:1px solid var(--line);border-radius:4px;display:grid;place-items:center;font-size:10px;color:var(--muted)}.file-info{flex:1;min-width:0}.file-name{font-size:13px;overflow-wrap:anywhere}.file-meta{font-size:11px;color:var(--muted);margin-top:4px}.file-card a,.file-card button{font-size:11px}.file-card a{text-decoration:none}.file-card button{background:transparent;color:var(--muted);padding:5px 0}.ai-state{font-size:12px;color:var(--muted);margin-top:8px}.ai-state.error{color:var(--error)}.retry{font-size:11px;margin-left:10px;padding:5px 9px;background:white;color:var(--teal);border-color:var(--line)}.references{font-size:11px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;align-items:center}.references button{font-size:11px;background:var(--fog);color:var(--ink);padding:4px 9px;border-radius:5px}.source{margin:10px 0;padding:10px 12px;background:#f6f9fa;border-radius:6px;font-size:12px}.source summary{cursor:pointer;color:var(--teal)}.source p{white-space:pre-wrap;line-height:1.8;margin:8px 0}.composer-area{padding:12px max(32px,calc((100% - 850px)/2)) 20px;background:white}.composer{border:1px solid #b9cdd6;border-radius:13px;padding:3px;background:white}.composer:focus-within{border-color:var(--teal);box-shadow:0 0 0 2px #177a7210}.composer textarea{width:100%;border:0;outline:none;resize:vertical;min-height:72px;max-height:230px;padding:13px 15px;background:transparent;font-size:15px}.composer textarea:focus-visible{outline:none}.composer-tools{display:flex;align-items:center;gap:14px;padding:3px 9px 9px}.composer-tools>.plain{font-size:12px}.composer-tools>span{font-size:11px;color:var(--muted);flex:1;text-align:right}.composer-tools>button:last-child{font-size:13px;min-width:75px;padding:8px 15px}.composer-footer{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:var(--muted);margin-top:9px}.composer-footer strong{font-weight:500;color:var(--teal)}.queued-files{display:flex;gap:8px;flex-wrap:wrap}.queued-file{display:flex;align-items:center;gap:8px;background:var(--fog);padding:5px 10px;border-radius:6px;font-size:11px;margin:0 0 9px;max-width:100%}.queued-file>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.queued-file button{background:none;color:var(--muted);padding:0 3px}.older{display:block;margin:0 auto 25px;font-size:12px}.mobile-only{display:none}dialog{border:1px solid var(--line);color:var(--ink);padding:25px;background:white;box-shadow:0 10px 60px #17394f20}dialog::backdrop{background:#17394f45}dialog header{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:15px}dialog header button{font-size:12px}.drawer{width:460px;max-width:95vw;height:100dvh;max-height:100dvh;margin:0 0 0 auto;border-radius:0;overflow:auto}.drawer .file-card{padding:11px 10px;gap:10px}.tabs{display:flex;gap:8px;margin:20px 0 15px}.tab{font-size:12px;background:var(--fog);color:var(--muted);padding:7px 13px}.tab.active{background:var(--ink);color:white}.summary-block{padding:21px 0;border-bottom:1px solid var(--line)}.summary-block h3{font-size:15px;margin:0 0 8px;font-weight:600}.summary-block p{font-size:13px;white-space:pre-wrap}.summary-block .summary-status{font-size:11px;margin-top:10px;color:var(--muted)}.search-dialog{width:720px;max-width:95vw;max-height:85dvh;border-radius:14px}.search-form{display:flex;gap:9px}.search-form input{flex:1;font-size:14px}.search-result{padding:16px 0;border-bottom:1px solid var(--line)}.search-result button{font-size:13px;background:none;color:var(--teal);text-align:left;padding:0}.search-result p{font-size:12px;white-space:pre-wrap;margin-top:8px;overflow-wrap:anywhere}.notice{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:12px 20px;border-radius:9px;max-width:90vw;z-index:100;font-size:13px;box-shadow:0 5px 25px #17394f20}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}details>summary{cursor:pointer}.drawer>details{margin-top:24px;font-size:12px;color:var(--muted)}@media(max-width:760px){.workspace{grid-template-columns:minmax(0,1fr)}.sidebar{display:none;position:fixed;inset:0 auto 0 0;width:285px;z-index:40;box-shadow:12px 0 60px #17394f30}.sidebar.open{display:flex}.main{height:100dvh}.mobile-only{display:block}.topbar{padding:14px 17px;min-height:76px;gap:12px}.conversation-heading h1{font-size:18px}.conversation-heading p{font-size:10px}.topbar .secondary{padding:6px 10px}.thread{padding:23px 20px}.composer-area{padding:9px 15px 15px}.composer textarea{font-size:15px;min-height:68px}.composer-footer{font-size:10px;gap:4px}.composer-tools{gap:8px}.composer-tools>span{font-size:10px}.message-body{font-size:14px}.welcome{padding-top:16vh}.welcome h2{font-size:23px}.welcome p{font-size:13px}.gate-form{padding:22px}.drawer{width:100%;max-width:100vw}.search-dialog{padding:20px}.message-meta{gap:8px}.file-card{gap:10px}.references{font-size:10px}}
.mention-button{padding:4px 9px;border:1px solid #b8d4cf;background:#edf6f4;color:var(--teal);font-size:12px;border-radius:6px}.composer-tools>button.mention-button{min-width:0} @media(max-width:760px){.composer-tools{gap:7px}.composer-tools>.plain{font-size:11px}.composer-tools>span{max-width:105px;line-height:1.4}.composer-tools>button:last-child{padding:8px 11px;min-width:60px}}
.desktop-entry{font-size:12px;margin-top:12px;color:var(--teal)}.install-dialog{width:430px;max-width:calc(100vw - 32px);max-height:90dvh;border-radius:16px;overflow:auto}.install-dialog p{font-size:14px}.install-dialog .hint{font-size:12px}.install-icon{border-radius:14px;margin-bottom:12px}.install-dialog #install-native{margin:4px 0 10px;width:100%}