:root{--paper:#f5f2ec;--surface:#fcfaf6;--sidebar:#ece8e0;--ink:#292c29;--muted:#6d7368;--faint:#7b8075;--line:#dedbd3;--accent:#994a37;--accent-soft:#efe1da;--green:#62816b;--shadow:0 20px 80px #25272022;--serif:"Iowan Old Style","Palatino Linotype","Songti SC","Noto Serif CJK SC","Source Han Serif SC",serif;--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color-scheme:light}
:root[data-theme=dark]{--paper:#222521;--surface:#2a2d28;--sidebar:#1c1f1b;--ink:#e8e7dd;--muted:#a2a49a;--faint:#7c8075;--line:#3c4138;--accent:#d78b71;--accent-soft:#49382e;--green:#8bb493;--shadow:0 20px 80px #0006;color-scheme:dark}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font:14px/1.6 var(--sans);-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit}button{color:inherit;cursor:pointer}button,input,textarea,select{outline:none}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button:disabled{cursor:default;opacity:.4}button{transition:background .15s,color .15s}a{color:inherit}button[hidden],[hidden]{display:none!important}.icon{width:18px;height:18px;display:inline-flex;flex-shrink:0;align-items:center;justify-content:center}.icon svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.icon-button{height:36px;width:36px;padding:9px;border:0;background:none;border-radius:6px;color:var(--muted);display:inline-flex;align-items:center;justify-content:center}.icon-button:hover{background:var(--line);color:var(--ink)}.app-shell{display:flex;height:100dvh;min-height:460px}.sidebar{width:258px;flex:none;background:var(--sidebar);border-right:1px solid var(--line);padding:30px 19px 16px;display:flex;flex-direction:column}.brand{display:flex;gap:13px;align-items:center;text-decoration:none;padding:0 7px 28px}.seal{font:17px/1.1 var(--serif);padding:7px 6px;background:var(--accent);color:var(--surface);border-radius:2px;letter-spacing:1px}.brand strong{font:600 22px/1.3 var(--serif);letter-spacing:2px;display:block}.brand small{display:block;color:var(--muted);font-size:11px;letter-spacing:3px;margin-top:5px}.new-chat{height:44px;background:var(--ink);color:var(--paper);border:1px solid var(--ink);display:flex;align-items:center;gap:9px;padding:0 13px;border-radius:5px}.new-chat:hover{opacity:.85}.key-hint{margin-left:auto;opacity:.45}.search-field{display:flex;align-items:center;gap:9px;margin:20px 8px 24px;color:var(--muted)}.search-field input{width:100%;border:0;background:transparent;padding:5px 0;color:var(--ink);font-size:12px}.search-field input::placeholder{color:var(--faint)}.list-caption{display:flex;justify-content:space-between;font-size:10px;letter-spacing:2px;color:var(--faint);padding:0 10px 9px}.list-caption span:last-child{letter-spacing:0}.chat-list{overflow-y:auto;flex:1;scrollbar-width:thin;min-height:40px}.chat-item{width:100%;text-align:left;border:0;background:transparent;border-radius:5px;padding:11px 10px;margin-bottom:3px;display:block}.chat-item:hover{background:var(--line)}.chat-item.active{background:var(--surface);box-shadow:0 1px 4px #00000005}.chat-item-title{font-size:13px;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-item-meta{font-size:10px;color:var(--faint);margin-top:5px;display:flex;gap:9px}.list-empty{font-size:12px;color:var(--faint);padding:12px 10px}.sidebar-bottom{padding-top:14px;border-top:1px solid var(--line);margin-top:12px}.sidebar-action{border:0;background:transparent;width:100%;display:flex;align-items:center;gap:11px;padding:9px 10px;font-size:12px;color:var(--muted);border-radius:5px}.sidebar-action:hover{background:var(--line);color:var(--ink)}.sidebar-action .icon{width:16px;height:16px}.note-dot{width:5px;height:5px;border-radius:50%;background:var(--accent);margin-left:auto}.sidebar-footer{display:flex;align-items:center;gap:6px;font-size:10px;color:var(--faint);margin-top:13px;padding-left:11px}.sidebar-footer .icon-button{margin-left:auto;width:30px;height:30px}.saved-dot{height:5px;width:5px;border-radius:50%;background:var(--green)}.workspace{min-width:0;flex:1;display:flex;flex-direction:column}.topbar{flex:none;display:flex;align-items:center;gap:13px;min-height:88px;border-bottom:1px solid var(--line);padding:14px 36px}.conversation-heading{min-width:0}.title-button{display:flex;align-items:center;gap:10px;padding:0;border:0;background:transparent;text-align:left;max-width:100%;font:19px/1.5 var(--serif)}.title-button>span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.title-button .icon{width:13px;height:13px;color:var(--faint);opacity:0}.title-button:hover .icon,.title-button:focus-visible .icon{opacity:1}.conversation-subtitle{font-size:10px;color:var(--faint);letter-spacing:1px;display:block;margin-top:3px}.topbar-actions{display:flex;align-items:center;gap:7px;margin-left:auto;flex:none}.model-pill{display:flex;align-items:center;gap:7px;border:1px solid var(--line);background:transparent;border-radius:20px;padding:6px 11px;color:var(--muted);font-size:10px;white-space:nowrap}.model-pill:hover{background:var(--surface)}.model-pill>.icon{width:11px;height:11px}.cloud-dot{width:5px;height:5px;border-radius:50%;background:var(--faint)}.cloud-dot.connected{background:var(--green)}.mobile-menu{display:none}.conversation-scroll{flex:1;overflow:auto;overscroll-behavior:contain;scroll-behavior:smooth;scrollbar-width:thin}.welcome{max-width:560px;padding:clamp(40px,9vh,100px) 24px 35px;margin:0 auto;text-align:center;display:flex;align-items:center;flex-direction:column}.welcome-mark{font:44px/1 var(--serif);color:var(--accent);letter-spacing:9px;writing-mode:vertical-rl;border:1px solid color-mix(in srgb,var(--accent) 38%,transparent);padding:14px 9px 7px;margin:0 0 27px;opacity:.85}.eyebrow{margin:0 0 12px;font-size:10px;letter-spacing:3px;color:var(--muted)}.welcome h1{font:400 35px/1.5 var(--serif);letter-spacing:4px;margin:0 0 16px}.welcome-copy{font:15px/2.1 var(--serif);letter-spacing:1px;color:var(--muted);margin:0 0 28px}.opening-button{display:flex;align-items:center;gap:18px;background:transparent;border:1px solid var(--line);border-radius:4px;padding:10px 18px;font-size:12px;color:var(--ink)}.opening-button:hover{background:var(--surface);border-color:var(--faint)}.opening-button .icon{width:15px}.welcome-footnote{font-size:10px;color:var(--faint);letter-spacing:.5px;margin-top:32px}.messages{max-width:790px;margin:0 auto;padding:38px 40px 24px}.message{margin-bottom:34px}.message-meta{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:10px;letter-spacing:1px;margin-bottom:10px}.role-mark{display:inline-flex;align-items:center;justify-content:center;height:22px;width:22px;color:var(--accent);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);font:14px var(--serif);border-radius:2px}.message-time{margin-left:auto;font-size:10px;letter-spacing:0;opacity:.7}.message-body{font:17px/1.95 var(--serif);overflow-wrap:anywhere}.message-body p{margin:0 0 14px;white-space:pre-wrap}.message-body p:last-child{margin-bottom:0}.message-body h3,.material-content h3{font:600 1.08em/1.7 var(--serif);margin:25px 0 12px}.message-body pre,.material-content pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--sidebar);border-radius:4px;padding:14px;font:12px/1.7 ui-monospace,monospace}.message-body code,.material-content code{font-size:.85em;background:var(--sidebar);padding:2px 4px;border-radius:3px}.message-body pre code,.material-content pre code{background:none;padding:0}.message-body blockquote,.material-content blockquote{margin:16px 0;border-left:2px solid var(--accent);padding:0 15px;color:var(--muted)}.message.user{padding:17px 21px;background:color-mix(in srgb,var(--surface) 75%,transparent);border:1px solid var(--line);border-radius:4px;margin-left:32px}.message.user .message-body{font:14px/1.85 var(--sans)}.message.user .message-meta{font-size:10px;margin-bottom:5px}.message.action .message-body{color:var(--muted);font-size:12px}.message-foot{display:flex;align-items:center;gap:12px;margin-top:12px;min-height:24px;color:var(--faint);font:10px/1.5 var(--sans)}.message-foot .icon-button{height:25px;width:25px;padding:6px;opacity:0}.message:hover .message-foot .icon-button,.message-foot .icon-button:focus-visible{opacity:1}.message-error{color:var(--accent);font-size:11px}.retry-button{background:none;border:0;border-bottom:1px solid var(--line);color:var(--accent);padding:2px 0;font-size:11px}.waiting-text{color:var(--faint);font:13px/1.8 var(--sans);display:flex;align-items:center;gap:9px}.waiting-dot{height:5px;width:5px;border-radius:50%;background:var(--accent);animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{50%{opacity:.3}}.composer-area{flex:none;max-width:790px;width:100%;margin:0 auto;padding:0 40px calc(17px + env(safe-area-inset-bottom))}.generation-status{font-size:11px;min-height:27px;color:var(--muted);display:flex;align-items:center;gap:8px;padding-left:3px}.composer{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:15px 16px 10px;box-shadow:0 3px 12px #00000003}.composer:focus-within{border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}.composer textarea{border:0;background:transparent;color:var(--ink);resize:none;display:block;width:100%;min-height:32px;max-height:160px;overflow:auto;line-height:1.7;font-size:14px;padding:0}.composer textarea:focus-visible{outline:0}.composer textarea::placeholder{color:var(--faint)}.composer-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px;min-height:32px;margin-top:9px}.composer-hint{font-size:10px;color:var(--faint)}.composer-hint>span{padding:0 5px}.send-button{width:32px;height:32px;border:0;border-radius:4px;color:var(--surface);background:var(--accent);display:flex;align-items:center;justify-content:center}.send-button:hover{filter:brightness(1.1)}.send-button:disabled{opacity:.27}.stop-button{border:1px solid var(--line);border-radius:4px;color:var(--muted);background:transparent;padding:5px 10px;display:flex;align-items:center;gap:6px;font-size:11px}.stop-square{width:7px;height:7px;background:var(--accent);border-radius:1px}.composer-foot{display:flex;justify-content:space-between;margin:8px 3px 0;font-size:10px;color:var(--faint)}.foot-signature{font-family:var(--serif);letter-spacing:2px;opacity:.7}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);max-width:calc(100vw - 32px);background:var(--ink);color:var(--paper);box-shadow:var(--shadow);padding:10px 20px;border-radius:5px;font-size:12px;z-index:100;overflow-wrap:anywhere}.panel-dialog{color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:0;max-height:calc(100dvh - 60px);width:560px;max-width:calc(100vw - 32px);box-shadow:var(--shadow)}.panel-dialog::backdrop{background:#20251f55;backdrop-filter:blur(3px)}.dialog-header{display:flex;align-items:center;justify-content:space-between;padding:26px 29px 21px;border-bottom:1px solid var(--line)}.dialog-header h2{font:400 24px/1.3 var(--serif);letter-spacing:2px;margin:0}.dialog-header .eyebrow{margin-bottom:8px;font-size:9px}.dialog-body{padding:24px 29px;overflow-y:auto;max-height:calc(100dvh - 280px);scrollbar-width:thin}.panel-intro{color:var(--muted);font-size:12px;line-height:1.85;margin:0 0 24px}.field{margin-bottom:20px}.field label{display:block;font-size:12px;margin-bottom:7px}.field input,.field textarea,.field select,.near-editor,#titleInput{width:100%;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:4px;padding:10px 12px;line-height:1.7;font-size:13px}.field small{display:block;color:var(--faint);font-size:10px;margin-top:6px}.field textarea{resize:vertical;font:12px/1.7 ui-monospace,monospace}.advanced-settings{border-top:1px solid var(--line);padding-top:15px;margin-top:7px}.advanced-settings>summary{display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-size:11px;color:var(--muted);list-style:none;padding:0 0 8px}.advanced-settings>summary::-webkit-details-marker{display:none}.advanced-settings .field:first-of-type{margin-top:15px}.advanced-settings[open]>summary .icon{transform:rotate(180deg)}.advanced-settings .icon{width:12px;height:12px}.connection-result{padding:12px 13px;background:var(--paper);border:1px solid var(--line);border-radius:4px;margin-top:14px;font-size:11px;color:var(--muted);line-height:1.75}.connection-result.success{color:var(--green);border-color:color-mix(in srgb,var(--green) 25%,var(--line))}.connection-result.error{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 25%,var(--line))}.settings-note{font-size:10px;color:var(--faint);line-height:1.8;margin:12px 0 0}.dialog-footer{display:flex;align-items:center;justify-content:flex-end;gap:12px;border-top:1px solid var(--line);padding:17px 29px}.primary-button,.secondary-button{border:1px solid var(--accent);border-radius:4px;padding:9px 17px;font-size:12px;background:var(--accent);color:var(--surface)}.primary-button:hover{filter:brightness(1.08)}.secondary-button{border-color:var(--line);background:transparent;color:var(--muted);margin-right:auto}.secondary-button:hover{background:var(--paper)}.footer-note{font-size:10px;color:var(--faint);margin-right:auto}.near-editor{display:block;height:260px;resize:vertical;font:15px/1.9 var(--serif)}.field-foot{display:flex;justify-content:space-between;font-size:10px;color:var(--faint);margin-top:10px}.library-dialog{width:980px;height:min(760px,calc(100dvh - 60px));overflow:hidden}.library-layout{display:flex;height:calc(100% - 100px)}.material-list{width:178px;flex:none;overflow:auto;padding:17px 12px;border-right:1px solid var(--line);background:var(--paper)}.material-item{border:0;background:none;display:block;width:100%;text-align:left;border-radius:4px;padding:10px 12px;margin-bottom:3px}.material-item strong{display:block;font-weight:400;font-size:12px}.material-item small{display:block;font-size:9px;color:var(--faint);margin-top:3px}.material-item:hover,.material-item.active{background:var(--sidebar)}.material-view{flex:1;min-width:0;display:flex;flex-direction:column;overflow:hidden}.material-heading{display:flex;align-items:center;justify-content:space-between;padding:19px 27px;border-bottom:1px solid var(--line)}.material-heading h3{font:18px var(--serif);margin:0}.text-button{display:flex;align-items:center;gap:7px;color:var(--accent);background:none;border:0;font-size:11px}.text-button .icon{width:13px;height:13px}.material-content{overflow:auto;padding:8px 27px 28px;font:13px/1.95 var(--serif);scrollbar-width:thin;overflow-wrap:anywhere}.material-content p{white-space:pre-wrap}.material-content h3{font-size:17px}.small-dialog{width:420px}.sr-only{position:absolute;height:1px;width:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
@media(min-width:1500px){.sidebar{width:280px;padding-left:25px;padding-right:25px}.topbar{padding-left:50px;padding-right:50px}.messages,.composer-area{max-width:850px}.welcome{padding-top:12vh}}
@media(max-width:900px){.sidebar{width:225px;padding-left:13px;padding-right:13px}.topbar{padding-left:24px;padding-right:24px;gap:10px}.messages{padding-left:28px;padding-right:28px}.composer-area{padding-left:28px;padding-right:28px}.topbar-actions{gap:3px}.model-pill{font-size:9px;padding:5px 9px}.topbar-actions>.icon-button{width:29px;padding:7px}.conversation-subtitle{letter-spacing:0}.title-button{font-size:17px}}
@media(max-width:680px){.app-shell{min-height:0}.sidebar{position:fixed;left:0;top:0;bottom:0;width:270px;z-index:40;transform:translateX(-100%);transition:transform .22s ease;padding-top:25px}.sidebar.open{transform:translateX(0)}.drawer-scrim{position:fixed;inset:0;z-index:39;border:0;background:#20251f66;backdrop-filter:blur(2px)}.mobile-menu{display:inline-flex;width:30px;flex:none}.topbar{min-height:70px;padding:12px 13px;gap:8px}.title-button{font-size:17px}.conversation-subtitle{font-size:9px}.topbar-actions{gap:0}.topbar-actions>.icon-button{width:28px;height:30px;padding:7px}.model-pill{border:0;padding:4px;margin-right:4px;font-size:9px;max-width:100px}.model-pill>.icon{display:none}#modelLabel{overflow:hidden;text-overflow:ellipsis}.welcome{padding:7vh 24px 26px}.welcome-mark{font-size:37px;letter-spacing:7px;margin-bottom:22px}.welcome h1{font-size:28px;letter-spacing:2px}.welcome-copy{font-size:14px}.welcome-footnote{margin-top:24px}.messages{padding:27px 21px 10px}.message{margin-bottom:26px}.message-body{font-size:16px;line-height:1.9}.message.user{padding:13px 16px;margin-left:23px}.message.user .message-body{font-size:13px}.message-foot .icon-button{opacity:.6}.composer-area{padding:0 15px calc(11px + env(safe-area-inset-bottom))}.composer{padding:11px 13px 8px}.composer textarea{font-size:16px}.composer-hint{font-size:9px}.composer-bottom{margin-top:6px}.composer-foot{margin-top:7px;font-size:9px}.generation-status{min-height:23px;font-size:10px}.panel-dialog{max-height:calc(100dvh - 24px);max-width:calc(100vw - 24px);border-radius:6px}.dialog-header{padding:21px 21px 17px}.dialog-body{padding:20px 21px;max-height:calc(100dvh - 235px)}.dialog-footer{padding:15px 21px}.dialog-header h2{font-size:22px}.library-dialog{height:calc(100dvh - 24px)}.library-layout{height:calc(100% - 88px);flex-direction:column}.material-list{display:flex;width:100%;flex:none;overflow-x:auto;padding:10px;border-right:0;border-bottom:1px solid var(--line);gap:3px;scrollbar-width:none}.material-item{width:auto;flex:none;padding:7px 10px;margin-bottom:0}.material-item small{display:none}.material-heading{padding:15px 20px}.material-content{padding:5px 20px 20px}.near-editor{height:240px}.near-editor,.field input,.field textarea,.field select{font-size:16px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.title-button:disabled{opacity:1}

/* Keep the document still when iOS pans to a focused field. Only the conversation scrolls. */
.app-page{position:fixed;inset:0;overflow:hidden;overscroll-behavior:none}
.app-page .app-shell{position:absolute;top:var(--app-top,0px);left:0;width:100%;height:var(--app-height,100dvh);min-height:0;overflow:hidden}
.app-page .workspace,.app-page .conversation-scroll{min-height:0}
.app-page .composer-area{display:flex;flex-direction:column;flex-shrink:1;min-height:0}
.app-page .composer-area>:not(.thought-panel){flex-shrink:0}
.app-page .thought-panel{min-height:0;overflow:auto}
.app-page .composer textarea{max-height:min(160px,max(32px,calc(var(--app-height,100dvh) - 220px)))}

.login-page{min-height:100dvh;display:grid;place-items:center;padding:28px}.login-card{width:360px;max-width:100%;padding:10px}.login-brand{display:flex;align-items:center;gap:15px;margin-bottom:22px}.login-brand h1{font:400 30px var(--serif);letter-spacing:3px;margin:0}.login-card .panel-intro{margin-bottom:28px}.login-submit{width:100%;margin-top:12px}.login-footnote{font-size:10px;color:var(--faint);text-align:center;letter-spacing:1px;margin-top:25px}
.local-actions{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}.field label:has(input[type=checkbox]){display:flex;align-items:center;gap:8px;line-height:1.8}.field input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent)}.thought-panel{font-size:12px;color:var(--muted);margin:8px 0 16px;padding:12px;background:var(--sidebar);border-radius:5px}.thought-panel summary{cursor:pointer}.thought-panel pre{max-height:180px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.7 var(--sans);margin:10px 0 0}.sidebar{padding-top:max(25px,env(safe-area-inset-top))}.topbar{padding-top:max(12px,env(safe-area-inset-top))}.local-actions .secondary-button{flex:1;min-width:145px}#roleText{width:100%}#localSummary{line-height:1.8}#generationStatus{overflow-wrap:anywhere}