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utilities{.visible{visibility:visible}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.block{display:block}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline-flex{display:inline-flex}.table{display:table}.resize{resize:both}.border{border-style:var(--tw-border-style);border-width:1px}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{--bg:#0d0d0d;--surface:#171717;--surface-2:#1f1f1f;--highlight:#343434;--line:#2a2a2a;--line-soft:#222;--line-hard:#3a3a3a;--text:#c3c2b7;--text-strong:#e4e3da;--muted:#9a998f;--faint:#86857c;--accent:#8c1616;--accent-text:#d4574f;--accent-soft:#8c16162e;--on-accent:#f2f1ea;--ok:#5fa37f;--ok-soft:#5fa37f26;--warn:#c9a14a;--warn-soft:#c9a14a26;--bad:#d4574f;--bad-soft:#d4574f26;--zebra:#141414;--scrim:#0009;--radius:6px;--radius-lg:10px;--font-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, Arial, sans-serif;color-scheme:dark}@media(prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}::selection{background:var(--highlight);color:var(--text-strong)}button,input,textarea,select{font:inherit;color:inherit}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}input,textarea,select{background:var(--surface-2);border:1px solid var(--line-hard);color:var(--text)}input::placeholder,textarea::placeholder{color:var(--muted)}*{scrollbar-width:thin;scrollbar-color:var(--highlight) transparent}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:var(--highlight);border-radius:4px}::-webkit-scrollbar-track{background:0 0}a{color:var(--accent-text);text-decoration:none}a:hover{text-decoration:underline}.spin{animation:1.4s linear infinite spin-rotate}@keyframes spin-rotate{to{transform:rotate(360deg)}}.app-navbar{background:var(--surface);border-bottom:1px solid var(--line);height:56px;color:var(--text)}.nav-tab{color:var(--muted);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;padding:6px 10px;font-size:15px}.nav-tab:hover{color:var(--text-strong)}.nav-tab--active{color:var(--text-strong);border-bottom-color:var(--accent)}.menu-item{cursor:pointer;color:var(--text);align-items:center;gap:10px;padding:11px 15px;font-size:13px;display:flex}.menu-item:hover{background:var(--highlight)}.book-shell{width:100%;height:100%;display:flex}.book-sidebar{background:var(--surface);border-right:1px solid var(--line);flex-direction:column;flex-shrink:0;transition:width .25s;display:flex;overflow:hidden}.book-sidebar__item{border-radius:var(--radius);color:var(--text);cursor:pointer;flex-shrink:0;align-items:center;gap:6px;padding:9px 10px 9px 12px;font-size:13px;display:flex;position:relative}.book-sidebar__item:hover{background:var(--surface-2)}.book-sidebar__item--active{background:var(--highlight)}.book-sidebar__item--active:before{content:"";background:var(--accent);width:2px;position:absolute;top:8px;bottom:8px;left:0}.book-main{background:var(--bg);flex-direction:column;flex:1;min-width:0;display:flex}.book-messages{flex:1;overflow-y:auto}.book-column{flex-direction:column;gap:22px;max-width:820px;margin:0 auto;padding:28px 24px 12px;display:flex}.msg-user{background:var(--highlight);max-width:78%;color:var(--text);white-space:pre-wrap;border-radius:14px 14px 4px;align-self:flex-end;padding:10px 14px;font-size:14.5px;line-height:1.65}.msg-assistant{color:var(--text);align-self:stretch;font-size:15px;line-height:1.8}.reasoning{margin:0 0 10px}.reasoning__toggle{color:var(--faint);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;padding:2px 0;font-size:12px;display:inline-flex}.reasoning__toggle:hover{color:var(--muted)}.reasoning__toggle:disabled{cursor:default}.reasoning__body{border-left:2px solid var(--line-hard);color:var(--faint);max-height:320px;margin-top:6px;padding:2px 0 2px 12px;font-size:12px;line-height:1.7;overflow-y:auto}.reasoning__body .md{color:var(--faint);font-size:12px}.reasoning__body .md p{margin:0 0 4px}.sources{flex-wrap:wrap;align-items:center;gap:6px;margin-top:12px;font-size:12px;display:flex}.sources__label{color:var(--accent-text);margin-right:2px}.source-chip{border:1px solid var(--line-hard);color:var(--muted);text-overflow:ellipsis;white-space:nowrap;background:0 0;border-radius:99px;max-width:100%;padding:2px 10px;overflow:hidden}.source-chip--cited{color:var(--text);border-color:var(--accent)}.suggestions{flex-direction:column;align-items:flex-start;gap:6px;display:flex}.suggestion-chip{background:var(--surface);border:1px solid var(--line-hard);color:var(--text);border-radius:var(--radius);cursor:pointer;text-align:left;padding:6px 12px;font-size:13px}.suggestion-chip:hover{background:var(--highlight)}.composer{padding:10px 24px 20px}.composer__box{background:var(--surface-2);border:1px solid var(--line-hard);border-radius:14px;align-items:flex-end;gap:10px;max-width:820px;margin:0 auto;padding:10px 10px 10px 14px;display:flex}.composer__box textarea{resize:none;max-height:200px;color:var(--text);background:0 0;border:none;outline:none;flex:1;font-size:14.5px;line-height:1.6}.composer__send{background:var(--accent);width:36px;height:36px;color:var(--on-accent);cursor:pointer;border:none;border-radius:50%;flex:none;place-items:center;display:grid}.composer__send:disabled{background:var(--highlight);color:var(--muted);cursor:not-allowed}.composer__quote{border-left:2px solid var(--accent);background:var(--surface);border-radius:var(--radius);max-width:820px;color:var(--muted);align-items:center;gap:6px;margin:0 auto 6px;padding:4px 6px 4px 10px;font-size:12.5px;display:flex}.composer__quote-text{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.composer__quote-clear{border-radius:var(--radius);width:22px;height:22px;color:var(--muted);cursor:pointer;background:0 0;border:none;flex:none;place-items:center;display:grid}.composer__quote-clear:hover{background:var(--highlight);color:var(--text)}.msg-quote{border-left:2px solid var(--line-hard);max-width:78%;color:var(--faint);padding:2px 0 2px 10px;font-size:12.5px;line-height:1.6}.selection-ask{z-index:40;border:1px solid var(--accent);background:var(--surface-2);color:var(--text-strong);cursor:pointer;box-shadow:0 4px 14px var(--scrim);border-radius:99px;padding:5px 12px;font-size:12.5px;position:fixed;transform:translate(-50%)}.selection-ask:hover{background:var(--accent);color:var(--on-accent)}.answer-variant{border:1px solid var(--line-hard);color:var(--faint);border-radius:99px;margin-bottom:6px;padding:1px 8px;font-size:11.5px;display:inline-block}.depth-switch{flex-wrap:wrap;align-items:center;gap:4px;margin-top:6px;font-size:12px;display:flex}.depth-switch__label{color:var(--faint);margin-right:4px}.depth-switch__btn{border:1px solid var(--line-hard);color:var(--muted);cursor:pointer;background:0 0;border-radius:99px;padding:2px 10px}.depth-switch__btn:hover:not(:disabled){color:var(--text);background:var(--highlight)}.depth-switch__btn:disabled{cursor:default;opacity:.6}.depth-switch__btn--active,.depth-switch__btn--active:disabled{color:var(--text);border-color:var(--accent);opacity:1}.depth-switch__sep{background:var(--line-hard);width:1px;height:12px;margin:0 4px}.btn{border-radius:var(--radius);cursor:pointer;border:1px solid var(--line-hard);color:var(--text);background:0 0;padding:7px 14px;font-size:13px}.btn:hover:not(:disabled){background:var(--highlight)}.btn--primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}.btn--primary:hover:not(:disabled){background:var(--accent);filter:brightness(1.15)}.btn:disabled{opacity:.55;cursor:not-allowed}.md{word-break:break-word}.md p{margin:0 0 10px}.md p:last-child{margin-bottom:0}.md strong{color:var(--text-strong);font-weight:600}.md h1,.md h2,.md h3,.md h4{color:var(--text-strong);margin:16px 0 8px;line-height:1.4}.md h1{font-size:17px}.md h2{font-size:16px}.md h3{font-size:15px}.md h4{font-size:14.5px}.md ul,.md ol{margin:6px 0 10px;padding-left:22px}.md ul{list-style:outside}.md ol{list-style:decimal}.md li{margin-bottom:4px}.md blockquote{border-left:3px solid var(--accent);background:var(--surface);color:var(--muted);margin:8px 0;padding:6px 12px}.md code{background:var(--surface-2);font-size:13px;font-family:var(--font-mono);border-radius:4px;padding:1px 5px}.md pre{background:var(--surface-2);border-radius:var(--radius);padding:10px 12px;overflow-x:auto}.md pre code{background:0 0;padding:0}.md hr{border:none;border-top:1px solid var(--line);margin:14px 0}.md a{color:var(--accent-text)}.md a:hover{text-decoration:underline}.md .md-table-wrap{margin:10px 0;overflow-x:auto}.md table{border-collapse:collapse;min-width:40%;font-size:13.5px}.md th,.md td{border:1px solid var(--line);text-align:center;padding:5px 10px}.md th{background:var(--surface-2);color:var(--text-strong);font-weight:600}.md tbody tr:nth-child(2n){background:var(--zebra)}.md .katex{color:inherit;font-size:1.05em}.md .katex-display{background:var(--surface);border-radius:var(--radius);margin:10px 0;padding:8px 10px;overflow:auto hidden}.md .math-pending{color:var(--muted);font-family:var(--font-mono);font-size:13px}.md--small{color:var(--muted);font-size:12.5px}.modal-scrim{background:var(--scrim);z-index:300;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;top:0;right:0;bottom:0;left:0}.modal-card{background:var(--surface);border:1px solid var(--line-hard);border-radius:var(--radius-lg);color:var(--text);box-shadow:0 20px 46px -18px #000000b3}.notice-card{border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:var(--radius-lg);background:var(--surface);align-items:flex-start;gap:12px;width:min(640px,100%);padding:14px 16px;display:flex}.notice-card--guard{border-left-color:var(--warn)}.notice-card--service{border-left-color:var(--muted)}.notice-card__icon{width:32px;height:32px;color:var(--accent-text);background:var(--accent-soft);border-radius:9px;flex:0 0 32px;place-items:center;display:grid}.notice-card__body{flex:1;min-width:0}.notice-card__title{color:var(--text-strong);font-size:14px;font-weight:700;line-height:1.4}.notice-card__message{color:var(--muted);margin-top:3px;font-size:13px;line-height:1.6}.notice-card__action{border:1px solid var(--line-hard);color:var(--text);cursor:pointer;white-space:nowrap;background:0 0;border-radius:8px;flex:none;align-self:center;padding:6px 10px;font-size:12px}.notice-card__action:hover{background:var(--highlight)}@media(max-width:760px){.book-column{padding:18px 14px 10px}.composer{padding:8px 12px 14px}.msg-user{max-width:90%}.nav-title{display:none}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}