:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color-scheme:light;--bg: #fff;--side: #f7f7f5;--text: #252724;--muted: #7b7d77;--line: #e6e7e2;--hover: #edede9;--bubble: #f1f2ee;--accent: #355d4c;--shadow: 0 8px 32px #2025200a}*{box-sizing:border-box}html[data-theme=dark]{color-scheme:dark;--bg: #202221;--side: #191b1a;--text: #eceee9;--muted: #a0a59d;--line: #393d38;--hover: #30352f;--bubble: #333932;--accent: #a6d5b8;--shadow: 0 8px 32px #0002}body{margin:0;background:var(--bg);color:var(--text);font-size:15px}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{border:0;background:transparent;color:inherit;cursor:pointer;padding:9px 12px;border-radius:9px}button:hover{background:var(--hover)}button:disabled{opacity:.4;cursor:default}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}input,textarea,select{color:inherit;background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:10px}textarea{resize:vertical;width:100%;line-height:1.6}select{max-width:100%;font-size:13px}h1,h2,h3,p{margin-top:0}.muted,.small{color:var(--muted)}.small{font-size:12px}.app{display:flex;height:100dvh;overflow:hidden}.sidebar{width:280px;flex-shrink:0;background:var(--side);padding:24px 16px 14px;display:flex;flex-direction:column;border-right:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-weight:650;letter-spacing:-.4px;padding:0 9px;margin-bottom:27px}.brand-mark{font-size:29px;color:var(--accent)}.new-chat{display:flex;align-items:center;gap:10px;border:1px solid var(--line);background:var(--bg);text-align:left;padding:12px}.new-chat span{font-size:22px;line-height:1}.new-chat kbd{margin-left:auto;color:var(--muted)}.history-search{width:100%;margin:16px 0 8px;background:transparent;border:0;font-size:13px}.sidebar nav{flex:1;overflow:auto;min-height:0}.date-group{font-size:11px;font-weight:500;color:var(--muted);margin:21px 11px 8px}.chat-row{display:flex;border-radius:9px;margin-bottom:3px}.chat-row:hover,.chat-row.selected{background:var(--hover)}.chat-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;text-align:left;font-size:13px}.chat-menu{padding:8px;font-size:18px}.sidebar-bottom{border-top:1px solid var(--line);padding-top:12px;margin-top:12px}.sidebar-bottom>button,.sidebar-bottom>a{display:flex;align-items:center;gap:11px;width:100%;padding:10px 12px;font-size:13px;color:var(--text);text-align:left}.sidebar-bottom>a:hover{background:var(--hover);text-decoration:none;border-radius:8px}.account{margin-top:13px}.account span:last-child{margin-left:auto}.avatar{display:grid;place-items:center;background:var(--bubble);width:28px;height:28px;border-radius:50%;font-size:12px}main{min-width:0;flex:1;display:flex;flex-direction:column;position:relative}.topbar{height:70px;flex-shrink:0;padding:0 32px;display:flex;align-items:center;justify-content:space-between;font-size:14px}.topbar .muted{margin-left:8px;font-weight:400}.conversation{flex:1;overflow:auto;overscroll-behavior:contain;scrollbar-gutter:stable}.thread{max-width:800px;margin:auto;padding:32px 24px}.empty-thread{display:flex;min-height:100%;align-items:center;justify-content:center;padding-bottom:50px}.empty{width:100%}.empty>.brand-mark{font-size:43px;margin-bottom:18px}.empty h1{font-size:36px;font-weight:550;letter-spacing:-1.2px;margin-bottom:12px}.empty>p{color:var(--muted);font-size:17px}.suggestions{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:34px}.suggestions button{text-align:left;border:1px solid var(--line);padding:17px 19px;display:grid;grid-template-columns:24px 1fr;gap:8px}.suggestions button>span{color:var(--accent);font-size:18px}.suggestions strong{font-size:13px;font-weight:550;padding-top:2px}.suggestions small{grid-column:2;color:var(--muted);font-size:12px;line-height:1.5}.composer-area{width:min(800px,100%);padding:12px 24px 13px;margin:auto;position:relative;flex-shrink:0}.composer{border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:12px;background:var(--bg)}.composer textarea{display:block;border:0;resize:none;outline:none;padding:5px 8px 10px;background:transparent;min-height:46px;max-height:180px}.composer textarea:focus-visible{outline:none}.composer:focus-within{border-color:var(--muted)}.composer-tools{display:flex;gap:8px;align-items:center}.composer-tools select{border:0;background:transparent;max-width:210px}.depth{font-size:12px;color:var(--muted);padding:8px}.depth.enabled{background:var(--bubble);color:var(--accent)}.send{margin-left:auto;flex-shrink:0;width:36px;height:36px;background:var(--text);color:var(--bg);border-radius:50%;padding:0;font-size:23px}.send:hover{background:var(--accent);color:var(--bg)}.footnote{font-size:10px;color:var(--muted);text-align:center;margin:11px 0 0;line-height:1.4}.exchange{margin-bottom:44px}.user-message{margin-left:auto;width:fit-content;max-width:86%;padding:12px 19px;border-radius:22px;background:var(--bubble);white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.65;margin-bottom:29px}.assistant-message{display:flex;gap:15px}.assistant-mark{color:var(--accent);font-size:24px;line-height:1.6}.answer-body{min-width:0;flex:1;line-height:1.8;font-size:15px;overflow-wrap:anywhere}.answer-body p{margin-bottom:16px}.answer-body h1,.answer-body h2,.answer-body h3{font-size:19px;line-height:1.45;margin:24px 0 12px}.answer-body ul,.answer-body ol{padding-left:24px}.answer-body pre{overflow:auto;padding:15px;background:var(--side);border-radius:10px}.answer-body code{font-size:.88em;background:var(--side);padding:2px 4px;border-radius:4px}.answer-body a{border-bottom:1px solid var(--line)}.table-scroll{overflow:auto;margin:18px 0}table{border-collapse:collapse;min-width:100%;font-size:13px}td,th{padding:9px 13px;text-align:left;border-bottom:1px solid var(--line);white-space:normal}th{background:var(--side)}details{font-size:12px;color:var(--muted);margin:12px 0}summary{cursor:pointer;padding:4px 0}.source-list{display:flex;flex-wrap:wrap;gap:7px;padding:9px 0}.source-list a{padding:4px 9px;background:var(--side);border:1px solid var(--line);border-radius:8px;max-width:100%;word-break:break-word}.answer-actions{display:flex;flex-wrap:wrap;gap:4px;color:var(--muted);font-size:12px;align-items:center}.answer-actions button,.answer-actions a{padding:6px 9px;color:inherit}.technical p{margin:5px 0;font-size:11px}.technical small{overflow-wrap:anywhere}.progress{color:var(--muted);font-size:13px;display:flex;align-items:center;gap:9px}.pulse{width:7px;height:7px;background:var(--accent);border-radius:50%;animation:pulse 1.5s infinite}@keyframes pulse{50%{opacity:.3}}.error{color:#c85050;background:var(--side);border-radius:9px;padding:10px;font-size:13px;overflow-wrap:anywhere}.composer-area>.error{display:flex;justify-content:space-between}.jump{position:absolute;top:-38px;left:calc(50% - 18px);width:36px;height:36px;padding:0;border-radius:50%;border:1px solid var(--line);background:var(--bg);box-shadow:var(--shadow)}.older{display:block;margin:0 auto 25px;color:var(--muted);font-size:12px}dialog{border:1px solid var(--line);border-radius:18px;background:var(--bg);color:var(--text);width:min(720px,calc(100% - 28px));max-height:85dvh;padding:25px;box-shadow:0 25px 100px #0003}dialog::backdrop{background:#0006;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}dialog header{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}dialog h2{font-size:19px;margin:0}dialog header button{font-size:25px}dialog input{display:block;width:100%;margin:10px 0 20px}.row{display:flex;align-items:center;gap:12px;margin-top:12px;flex-wrap:wrap}.solid{background:var(--text);color:var(--bg);border-radius:10px;padding:11px 17px}.solid:hover{background:var(--accent);color:var(--bg)}.danger{color:#c85050}.setting{display:flex;align-items:center;justify-content:space-between;margin-bottom:25px}.comparison{border-top:1px solid var(--line);margin-top:25px;padding-top:20px;line-height:1.75}.file-row{display:flex;flex-direction:column;gap:5px;padding:12px 0;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.file-row small{color:var(--muted)}.welcome{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:30px;text-align:center}.welcome h1{font-weight:550;letter-spacing:-1px}.welcome p{max-width:460px;line-height:1.7}.login{margin-top:20px}.mobile-only{display:none}@media(max-width:1000px){.sidebar{width:248px}.depth span{display:none}.thread{padding:24px 20px}.composer-area{padding-left:20px;padding-right:20px}.topbar{padding:0 20px}}@media(max-width:700px){.sidebar{position:fixed;left:0;top:0;bottom:0;z-index:20;width:280px;transform:translate(-100%);transition:transform .2s}.sidebar.open{transform:translate(0)}.scrim{position:fixed;inset:0;background:#0007;z-index:19}.mobile-only{display:block}.brand .mobile-only{margin-left:auto}.topbar{height:56px;padding:0 12px}.topbar>span{margin-right:auto;margin-left:10px}.topbar .muted{display:none}.thread{padding:20px 16px}.empty-thread{padding-bottom:25px}.empty h1{font-size:29px}.empty>.brand-mark{font-size:35px}.suggestions{gap:8px;margin-top:24px}.suggestions button{padding:13px;grid-template-columns:1fr;gap:7px}.suggestions small{grid-column:1;font-size:11px}.suggestions strong{font-size:12px}.composer-area{padding:8px 12px max(9px,env(safe-area-inset-bottom))}.composer{border-radius:21px;padding:9px}.composer-tools{gap:3px}.composer-tools select{max-width:185px;font-size:12px}.footnote{font-size:9px;margin-top:8px}.assistant-message{gap:9px}.assistant-mark{font-size:20px}.answer-body{font-size:14px}.user-message{max-width:93%;font-size:14px}.exchange{margin-bottom:32px}dialog{padding:18px}.welcome h1{font-size:29px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important;transition:none!important}}.mode-switch{display:flex;gap:4px;background:var(--side);border:1px solid var(--line);border-radius:12px;padding:4px;width:fit-content}.mode-switch button{font-size:12px;padding:7px 13px;color:var(--muted)}.mode-switch button.selected{background:var(--bg);color:var(--text);box-shadow:0 1px 4px #0001}.mode-description{font-size:11px;line-height:1.5;color:var(--muted);margin:8px 3px 10px}.web-unavailable{display:block;color:var(--muted)}.model-picker{display:flex;gap:8px;align-items:center;font-size:12px;text-align:left;min-width:0;max-width:65%}.model-picker>span{color:var(--muted)}.model-group h3{font-size:12px;color:var(--muted);margin:24px 0 9px}.model-card{display:flex;width:100%;gap:16px;justify-content:space-between;text-align:left;border:1px solid var(--line);margin:7px 0;padding:13px}.model-card.chosen{border-color:var(--accent);background:var(--side)}.model-card strong{font-size:14px;font-weight:550}.model-card small{display:block;color:var(--muted);font-size:12px;line-height:1.5;margin-top:5px}.model-card:disabled{opacity:.65}.model-cost{color:var(--accent);white-space:nowrap;font-size:12px}.answer-meta{font-size:11px;color:var(--muted);margin-bottom:14px}.model-card .unavailable{color:#bf7253}.composer-area{padding-top:8px}@media(max-width:700px){.mode-description{font-size:10px}.model-picker,.mode-switch button{font-size:11px}}.topbar .llm-balance{margin-left:auto;flex:0 0 auto;white-space:nowrap;font-size:13px;font-variant-numeric:tabular-nums;color:var(--muted)}.llm-balance small{font-size:10px}@media(max-width:600px){.topbar .llm-balance{font-size:12px}.llm-balance small{display:none}}.research-coverage{margin:12px 0;padding:12px;border:1px solid var(--border,#ddd);border-radius:10px}.scope-choices{display:flex;flex-wrap:wrap;gap:8px}.scope-choices p{flex-basis:100%}.scope-choices button{white-space:normal;overflow-wrap:anywhere;text-align:left;max-width:100%}
