:root{color:var(--color-text);background:var(--color-bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--color-bg:#f7f8fa;--color-surface:#fff;--color-surface-subtle:#edf1f6;--color-text:#172033;--color-text-muted:#657086;--color-border:#e1e5eb;--color-border-strong:#c6ceda;--color-accent:#4b5e82;--color-danger:#8d3025;--color-danger-subtle:#fff4f3;--color-overlay:#0f172a3d;--color-code:#192235;--color-code-text:#eef3fa;--foreground:var(--color-text);--muted:var(--color-text-muted);--accent:var(--color-accent);--surface:var(--color-surface);--border:var(--color-border);--border-strong:var(--color-border-strong);--focus-ring:#4b5e8238;--radius-sm:.3rem;--radius-md:.55rem;--radius-large:1.35rem;--radius-pill:999px;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-6:1.5rem;--space-8:2rem;--shadow-sm:0 2px 8px #1720330f;--shadow-composer:0 12px 30px #1720330f;--content-width:76rem;--page-gutter:clamp(1.25rem,4vw,3rem);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}html[data-theme=dark]{--color-bg:#15191f;--color-surface:#1c222b;--color-surface-subtle:#262e39;--color-text:#e7ebf1;--color-text-muted:#aab3c1;--color-border:#323b48;--color-border-strong:#4a5667;--color-accent:#a9bbdc;--color-danger:#f0aaa2;--color-danger-subtle:#3b2528;--color-overlay:#0000007a;--color-code:#11161d;--color-code-text:#dbe4f2;--focus-ring:#a9bbdc52;--shadow-composer:0 12px 30px #0003}*,:before,:after{box-sizing:border-box}html,body,#root{min-height:100%}body{background:var(--color-bg);color:var(--color-text);margin:0}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}button,a,textarea{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px}.app-shell{min-height:100vh;overflow-x:hidden}.theme-control{bottom:var(--space-3);color:var(--muted);gap:var(--space-1);left:var(--space-3);z-index:40;font-size:.72rem;display:grid;position:fixed}.theme-control select{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--foreground);font:inherit;padding:var(--space-1)}.workspace-shell{min-height:100vh;display:flex}.conversation-sidebar{background:var(--surface);border-right:1px solid var(--border);padding:var(--space-4);flex:0 0 17rem;transition:flex-basis .16s}.conversation-sidebar.collapsed{flex-basis:4.5rem;padding-inline:.85rem}.sidebar-top{align-items:center;gap:var(--space-2);height:2.75rem;display:flex}.sidebar-toggle{color:var(--foreground);cursor:pointer;padding:var(--space-2);background:0 0;border:0;font-size:1.1rem}.sidebar-brand{letter-spacing:-.02em;font-weight:700}.sidebar-new{background:var(--color-surface-subtle);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--foreground);cursor:pointer;font:inherit;margin:var(--space-3) 0;padding:var(--space-3);text-align:left;width:100%}.sidebar-new:hover{border-color:var(--border-strong)}.history-empty{color:var(--muted);font-size:.8rem;line-height:1.55}.history-list h2{color:var(--muted);letter-spacing:.06em;margin:var(--space-6) 0 var(--space-2);text-transform:uppercase;font-size:.7rem;font-weight:700}.history-item{align-items:center;gap:.2rem;display:flex}.history-item>button:first-child{border-radius:var(--radius-sm);color:var(--foreground);cursor:pointer;font:inherit;text-align:left;text-overflow:ellipsis;white-space:nowrap;background:0 0;border:0;width:100%;padding:.55rem;font-size:.85rem;overflow:hidden}.history-item.active>button:first-child,.history-item>button:first-child:hover{background:var(--color-surface-subtle)}.history-delete{color:var(--muted);cursor:pointer;background:0 0;border:0;padding:.25rem;font-size:1.15rem}.app-header{height:4.5rem;max-width:var(--content-width);padding:0 var(--page-gutter);align-items:center;margin:0 auto;display:flex}.brand{color:var(--foreground);letter-spacing:-.025em;font-size:.95rem;font-weight:650;text-decoration:none}.landing-page{max-width:var(--content-width);min-height:calc(100vh - 4.5rem);padding:5.5rem var(--page-gutter) 2rem;flex-direction:column;justify-content:space-between;margin:0 auto;display:flex}.hero{text-align:center;width:100%;max-width:46rem;margin:auto}.eyebrow{color:var(--accent);letter-spacing:.09em;text-transform:uppercase;margin:0 0 1.25rem;font-size:.75rem;font-weight:700}h1{color:var(--foreground);letter-spacing:-.055em;margin:0;font-size:clamp(2.5rem,5.2vw,4.25rem);line-height:1.05}.intro{color:var(--muted);max-width:34rem;margin:1.25rem auto 0;font-size:clamp(1rem,2vw,1.125rem);line-height:1.6}.search-composer{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-large);box-shadow:var(--shadow-composer);text-align:left;align-items:flex-end;gap:.75rem;margin:2.5rem auto 0;padding:.7rem;transition:border-color .16s,box-shadow .16s;display:flex}.search-composer:hover{border-color:var(--border-strong)}.search-composer:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px var(--focus-ring), var(--shadow-composer)}.search-composer textarea{color:var(--foreground);font:inherit;resize:none;background:0 0;border:0;outline:none;flex:1;min-height:2.75rem;max-height:11rem;padding:.55rem .65rem;line-height:1.5}.search-composer button{background:var(--foreground);color:#fff;cursor:pointer;border:0;border-radius:.8rem;flex:none;justify-content:center;align-items:center;width:2.75rem;height:2.75rem;transition:background .16s,transform .16s;display:flex}.attachment-button{border:1px solid var(--border);color:var(--muted);cursor:pointer;background:0 0;border-radius:.8rem;flex:none;justify-content:center;align-items:center;width:2.75rem;height:2.75rem;font-size:1.25rem;display:flex}.attachment-button input{display:none}.source-modes{gap:.25rem;width:100%;display:flex}.source-modes button{border:1px solid var(--border);color:var(--muted);background:0 0;border-radius:.45rem;width:auto;height:auto;padding:.3rem .45rem;font-size:.72rem}.source-modes button.selected{color:var(--foreground);background:#edf1f6}.document-chip{border:1px solid var(--border);border-radius:.45rem;align-items:center;gap:.35rem;max-width:100%;padding:.3rem .45rem;font-size:.75rem;display:flex}.document-chip small{color:var(--muted)}.document-chip button{color:var(--muted);background:0 0;width:auto;height:auto}.search-composer button:hover:not(:disabled){background:#29354c;transform:translateY(-1px)}.search-composer button:disabled{cursor:not-allowed;background:#c9ced7}.search-composer svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.9px;width:1.2rem;height:1.2rem}.suggestions-label{color:var(--muted);margin:0 0 .7rem;font-size:.8rem}.suggestion-list{flex-wrap:wrap;justify-content:center;gap:.55rem;display:flex}.suggestion-chip{border:1px solid var(--border);color:var(--muted);cursor:pointer;font:inherit;background:0 0;border-radius:999px;padding:.48rem .75rem;font-size:.82rem;line-height:1.35;transition:background .16s,border-color .16s,color .16s}.suggestion-chip:hover{background:var(--surface);border-color:var(--border-strong);color:var(--foreground)}.landing-footer{color:var(--muted);text-align:center;padding-top:3rem;font-size:.78rem}@media (width<=640px){.landing-page{min-height:calc(100vh - 4rem);padding-top:3rem}.app-header{height:4rem}.search-composer{border-radius:1.15rem;gap:.35rem;padding:.5rem}.search-composer textarea{padding-left:.5rem}.suggestion-list{flex-direction:column;align-items:stretch}.suggestion-chip{text-align:left}}.research-page{max-width:56rem;min-height:calc(100vh - 4.5rem);padding:3.25rem var(--page-gutter) 5rem;margin:0 auto}.conversation-page{max-width:56rem;padding:2rem var(--page-gutter) 9rem;margin:0 auto}.conversation-content{min-width:0;max-width:46rem;margin:0 auto}.thread-user{border-bottom:1px solid var(--border);margin:0 0 2rem;padding:0 0 1.15rem}.thread-user p{color:var(--foreground);overflow-wrap:anywhere;margin:0;font-size:1.25rem;font-weight:650;line-height:1.35}.thread-assistant .answer-section{margin-top:1rem}.thread-assistant .sources-section{margin-top:1.8rem}.followup-composer{background:linear-gradient(transparent, var(--surface) 25%);padding:1rem var(--page-gutter) 1.25rem;position:fixed;bottom:0;left:17rem;right:0}.followup-composer .search-composer{max-width:46rem;margin-top:0}.conversation-sidebar.collapsed+.app-shell .followup-composer{left:4.5rem}.research-content{min-width:0;max-width:46rem;margin:0 auto}.conversation-workspace{min-width:0;display:flex}.conversation-main{flex:auto;min-width:0}.sources-panel{background:var(--surface);border-left:1px solid var(--border);flex:0 0 20rem;min-height:calc(100vh - 4rem);padding:1.25rem}.sources-panel header{justify-content:space-between;align-items:center;display:flex}.sources-panel h2{margin:0;font-size:.95rem}.sources-panel h2 span{color:var(--muted);font-weight:400}.sources-panel header button,.sources-reopen{border:1px solid var(--border);color:var(--foreground);cursor:pointer;font:inherit;background:0 0;border-radius:.4rem;padding:.3rem .5rem}.sources-tabs{gap:.4rem;margin:1rem 0;display:flex}.sources-tabs button{color:var(--muted);cursor:pointer;font:inherit;background:0 0;border:0;border-bottom:2px solid #0000;padding:.35rem .2rem}.sources-tabs button[aria-selected=true]{border-color:var(--accent);color:var(--foreground)}.sources-tabs button:disabled{cursor:default;opacity:.45}.sources-panel-list{gap:.55rem;display:grid}.sources-panel-item{border:1px solid var(--border);border-radius:.55rem;outline:none;align-items:flex-start;gap:.65rem;padding:.7rem;display:flex}.sources-panel-item>span{color:var(--muted);font-size:.78rem;font-weight:700}.sources-panel-item strong,.sources-panel-item a{color:var(--foreground);font-size:.88rem}.sources-panel-item a{text-decoration:none}.sources-panel-item p{color:var(--muted);overflow-wrap:anywhere;margin:.22rem 0 0;font-size:.76rem}.sources-empty{color:var(--muted);font-size:.88rem}.sources-reopen{margin:1rem var(--page-gutter) 0}.new-search{color:var(--accent);cursor:pointer;font:inherit;background:0 0;border:0;padding:0;font-size:.88rem}.submitted-query{color:var(--foreground);letter-spacing:-.035em;overflow-wrap:anywhere;margin:1.1rem 0 1.5rem;font-size:clamp(1.45rem,3vw,2.15rem);font-weight:650;line-height:1.2}.research-status{color:var(--muted);align-items:center;gap:.55rem;min-height:2rem;font-size:.92rem;display:flex}.status-dot{background:var(--accent);border-radius:50%;width:.5rem;height:.5rem;display:inline-block}.stop-button{border:1px solid var(--border-strong);color:var(--foreground);cursor:pointer;font:inherit;background:0 0;border-radius:.5rem;margin-left:auto;padding:.3rem .6rem;font-size:.8rem}.answer-section{margin-top:2rem}.section-heading{justify-content:space-between;align-items:center;margin-bottom:1.15rem;display:flex}.section-heading h2,.sources-section h2{letter-spacing:-.01em;margin:0;font-size:.95rem}.section-heading h2{color:var(--muted)}.copy-button{border:1px solid var(--border);color:var(--muted);cursor:pointer;font:inherit;background:0 0;border-radius:.5rem;padding:.3rem .55rem;font-size:.78rem}.answer-content{color:var(--foreground);overflow-wrap:anywhere;font-size:1.04rem;line-height:1.78}.answer-content>:first-child{margin-top:0}.answer-content>:last-child{margin-bottom:0}.answer-content h1,.answer-content h2,.answer-content h3{color:var(--foreground);letter-spacing:-.025em;margin:1.8em 0 .65em;line-height:1.25}.answer-content h1{font-size:1.5rem}.answer-content h2{font-size:1.25rem}.answer-content h3{font-size:1.08rem}.answer-content p,.answer-content ul,.answer-content ol,.answer-content blockquote{margin:0 0 1.1rem}.answer-content ul,.answer-content ol{padding-left:1.4rem}.answer-content li+li{margin-top:.3rem}.answer-content a{color:var(--accent);-webkit-text-decoration-color:var(--border-strong);text-decoration-color:var(--border-strong);text-underline-offset:.16em}.answer-content code{background:#eef1f5;border-radius:.3rem;padding:.12em .3em;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.87em}.answer-content pre{color:#eef3fa;background:#192235;border-radius:.75rem;margin:1.25rem 0;padding:1rem;overflow-x:auto}.answer-content pre code{color:inherit;background:0 0;padding:0}.answer-content blockquote{border-left:3px solid var(--border-strong);color:var(--muted);margin-left:0;padding-left:1rem}.markdown-table-scroll{width:100%;max-width:100%;margin:1.25rem 0}.markdown-table-scroll table{border-collapse:collapse;table-layout:fixed;width:100%;min-width:0;max-width:100%}.markdown-table-scroll th,.markdown-table-scroll td{border-bottom:1px solid var(--border);box-sizing:border-box;overflow-wrap:break-word;text-align:left;vertical-align:top;white-space:normal;word-break:normal;min-width:0;padding:.65rem .8rem}.markdown-table-scroll th{color:var(--foreground);font-weight:650}.markdown-table-scroll th:first-child,.markdown-table-scroll td:first-child{width:28%}@media (width<=34rem){.markdown-table-scroll{overscroll-behavior-inline:contain;overflow-x:auto}.markdown-table-scroll table{table-layout:auto;min-width:34rem}.markdown-table-scroll th:first-child,.markdown-table-scroll td:first-child{width:auto;min-width:10rem}}.citation-reference{color:var(--accent);cursor:pointer;font:inherit;vertical-align:super;background:#edf1f6;border:1px solid #d9e0e9;border-radius:999px;margin:0 .12em;padding:.2em .36em;font-size:.72em;font-weight:700;line-height:1}.landing-page{padding-top:clamp(3rem,9vh,6.5rem)}.search-composer{background:var(--surface);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:var(--space-3)}.search-composer textarea::placeholder{color:var(--muted)}.search-composer button{border-radius:var(--radius-md)}.search-composer button:hover:not(:disabled){background:var(--accent)}.source-modes button.selected,.citation-reference,.source-number{background:var(--color-surface-subtle);border-color:var(--border-strong)}.document-chip{background:var(--color-surface-subtle);border-radius:var(--radius-sm)}.conversation-page{max-width:62rem}.conversation-content{max-width:48rem}.thread-user{border-bottom-color:var(--border);padding-bottom:var(--space-4)}.thread-user p{font-size:1.1rem}.thread-assistant{margin-bottom:4rem}.answer-content{line-height:1.75}.answer-content code{background:var(--color-surface-subtle)}.answer-content pre{background:var(--color-code);color:var(--color-code-text);border:1px solid var(--border)}.citation-reference:hover{border-color:var(--accent);background:var(--surface)}.research-error{background:var(--color-danger-subtle);border-color:var(--color-danger);color:var(--color-danger)}.source-card,.sources-panel-item{box-shadow:none}.sources-panel{background:var(--color-surface-subtle)}.sources-panel-item{background:var(--surface)}.sources-panel-item.selected{background:var(--color-surface-subtle);border-color:var(--accent)}.sources-tabs button[aria-selected=true]{border-color:var(--accent)}.stop-button,.copy-button{border-radius:var(--radius-sm)}.theme-control{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:var(--space-2)}.research-note{color:var(--muted);margin:1rem 0;font-size:.92rem}.research-error{color:#8d3025;background:#fff4f3;border:1px solid #efc7c1;border-radius:.75rem;margin:1.25rem 0;padding:.8rem 1rem}.answer-pending,.empty-answer{color:var(--muted);margin:1.75rem 0 0;font-size:.95rem}.empty-answer{border-left:2px solid var(--border-strong);padding-left:.75rem}.sources-section{border-top:1px solid var(--border);margin-top:2.75rem;padding-top:1.5rem}.sources-section h2 span{color:var(--muted);font-weight:400}.source-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem;margin-top:1rem;display:grid}.source-card{background:var(--surface);border:1px solid var(--border);border-radius:.8rem;align-items:flex-start;gap:.7rem;min-width:0;padding:.85rem;scroll-margin-top:1.5rem;display:flex}.source-card:focus{border-color:var(--accent);outline:3px solid var(--focus-ring)}.source-number{color:var(--accent);background:#edf1f6;border-radius:50%;flex:none;justify-content:center;align-items:center;width:1.4rem;height:1.4rem;font-size:.75rem;font-weight:700;display:inline-flex}.source-card a{color:var(--foreground);overflow-wrap:anywhere;-webkit-text-decoration-color:var(--border-strong);text-decoration-color:var(--border-strong);text-underline-offset:.16em;font-size:.88rem;font-weight:600;line-height:1.35;display:block}.source-card p{color:var(--muted);overflow-wrap:anywhere;margin:.35rem 0 0;font-size:.76rem}@media (width<=640px){.research-page{min-height:calc(100vh - 4rem);padding-top:2rem}.research-status{flex-wrap:wrap;align-items:flex-start}.stop-button{margin-left:.25rem}.source-grid{grid-template-columns:1fr}}@media (width<=760px){.conversation-sidebar{flex-basis:4.5rem;padding-inline:.85rem}.conversation-sidebar .sidebar-brand,.conversation-sidebar .history-list{display:none}.followup-composer,.conversation-sidebar.collapsed+.app-shell .followup-composer{left:4.5rem}.conversation-workspace{display:block}.sources-panel{z-index:30;width:min(22rem,100vw - 4.5rem);min-height:0;position:fixed;top:0;bottom:0;right:0;overflow-y:auto;box-shadow:-8px 0 24px #0f172a2e}.sources-backdrop{z-index:29;background:#0f172a3d;border:0;position:fixed;inset:0}.followup-composer{right:0}.document-chip{max-width:100%}.source-modes{flex-wrap:wrap}}@media (width<=960px){.sources-panel{flex-basis:17rem}.conversation-page{padding-inline:var(--space-4)}.conversation-content{max-width:44rem}}@media (width<=760px){.landing-page{padding:3rem var(--space-4) 2rem}.theme-control{left:auto;right:var(--space-3)}.search-composer{align-items:stretch;gap:var(--space-2);flex-wrap:wrap}.search-composer textarea{flex-basis:calc(100% - 3.5rem);min-width:0}.source-modes{order:3}.document-chip{min-width:0}.document-chip:not(small){text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.followup-composer{padding:var(--space-2) var(--space-3) calc(var(--space-3) + env(safe-area-inset-bottom))}.sources-panel{background:var(--surface);box-shadow:var(--shadow-composer);width:min(24rem,100vw - 3.5rem)}.sources-backdrop{background:var(--color-overlay)}.answer-content pre{max-width:100%}.sources-panel-item,.source-card,.sources-panel-item div,.source-card div{min-width:0}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}.theme-control{bottom:var(--space-3);left:var(--space-3);background:0 0;border:0;padding:0;position:fixed}.theme-trigger{border-radius:var(--radius-sm);color:var(--muted);cursor:pointer;font:inherit;background:0 0;border:1px solid #0000;align-items:center;gap:.45rem;width:100%;padding:.45rem .5rem;font-size:.8rem;display:flex}.theme-trigger:hover,.theme-trigger[aria-expanded=true]{background:var(--color-surface-subtle);border-color:var(--border);color:var(--foreground)}.theme-chevron{margin-left:auto;font-size:.95rem;line-height:.7}.theme-menu{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-composer);gap:.15rem;min-width:9.5rem;padding:.3rem;display:grid;position:absolute;bottom:calc(100% + .5rem);left:0}.theme-menu button{border-radius:var(--radius-sm);color:var(--foreground);cursor:pointer;font:inherit;text-align:left;background:0 0;border:0;justify-content:space-between;align-items:center;padding:.48rem .55rem;font-size:.82rem;display:flex}.theme-menu button:hover,.theme-menu button[aria-checked=true]{background:var(--color-surface-subtle)}.history-item{position:relative}.history-item>button:first-child{padding-right:2.35rem}.history-delete{opacity:0;justify-content:center;align-items:center;transition:background .16s,color .16s,opacity .16s;display:flex;position:absolute;right:.2rem}.history-item:hover .history-delete,.history-item:focus-within .history-delete,.history-item.active .history-delete{opacity:1}.history-delete:hover{background:var(--color-surface-subtle);color:var(--foreground)}@media (width>=761px){.app-header{display:none}.landing-page{min-height:100vh;padding-top:clamp(2.5rem,6vh,4.5rem)}}.landing-page{max-width:72rem;padding-bottom:1.5rem}.hero{max-width:43rem;margin:clamp(1rem,8vh,5rem) auto auto}h1{font-size:clamp(2.25rem,4.5vw,3.75rem)}.eyebrow{margin-bottom:.9rem}.intro{margin-top:1rem}.landing-page .search-composer{margin-top:1.8rem}.landing-footer{padding-top:2rem}.search-composer{flex-wrap:wrap;align-items:flex-end;gap:.5rem;padding:.6rem}.search-composer textarea{flex:14rem;min-height:2.5rem;padding:.45rem .55rem;overflow-y:hidden}.search-composer>textarea{order:1}.search-composer>.attachment-button,.search-composer>button[type=submit]{order:2;width:2.5rem;height:2.5rem}.search-composer>.document-chip{order:3}.search-composer>.source-modes{order:4}.source-modes{gap:.35rem}.source-mode-option{display:inline-flex}.source-modes button{background:var(--surface);border-color:var(--border);border-radius:var(--radius-sm);color:var(--muted);padding:.38rem .6rem;font-size:.76rem;font-weight:600;transition:background .16s,border-color .16s,color .16s}.source-modes button:hover:not(:disabled){background:var(--color-surface-subtle);border-color:var(--border-strong);color:var(--foreground);transform:none}.source-modes button.selected{background:var(--color-surface-subtle);border-color:var(--accent);color:var(--foreground)}.source-modes button:focus-visible{outline-offset:2px}.source-modes button:disabled{color:var(--muted);cursor:not-allowed;opacity:.52;background:0 0}.source-mode-option.unavailable{cursor:not-allowed}.document-chip{margin-right:.25rem}.suggestions{margin-top:1.25rem}.suggestion-chip{background:var(--color-surface-subtle);border-color:var(--border-strong);color:var(--foreground);padding:.5rem .8rem}.suggestion-chip:hover{background:var(--surface);border-color:var(--accent)}.suggestion-chip:focus-visible{outline-offset:2px}@media (pointer:coarse){.history-delete{opacity:1}}@media (width<=760px){.theme-control{bottom:auto;left:auto;right:var(--space-2);top:var(--space-2)}.theme-menu{inset:calc(100% + .5rem) 0 auto auto}.hero{margin-top:1rem}.history-item>button:first-child{padding-right:.55rem}.history-delete{display:none}.search-composer>textarea{flex-basis:calc(100% - 6rem)}.source-modes{flex-wrap:wrap}}.app-shell{flex:auto;min-width:0}.landing-page{width:100%;max-width:none}.hero{max-width:clamp(35rem,46vw,39rem)}.search-composer{grid-template-columns:minmax(0,1fr);gap:.65rem;width:100%;display:grid}.search-composer>textarea{order:initial;width:100%;min-width:0}.attachment-chips{flex-wrap:wrap;gap:.45rem;min-width:0;display:flex}.document-chip{min-width:0;max-width:min(100%,28rem);margin:0}.document-chip-name{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.document-chip small,.document-chip button{flex:none}.composer-toolbar{align-items:center;gap:var(--space-2);justify-content:space-between;min-width:0;display:flex}.composer-toolbar .source-modes{flex:auto;width:auto;min-width:0}.composer-actions{flex:none;gap:.5rem;display:flex}.composer-actions>.attachment-button,.composer-actions>button[type=submit]{width:2.5rem;height:2.5rem}.followup-composer .search-composer{width:min(100%,48rem);margin-inline:auto}.app-shell.sources-open .followup-composer{right:20rem}@media (width<=760px){.hero{max-width:100%}.composer-toolbar{align-items:flex-end}.composer-toolbar .source-modes{flex-wrap:wrap}.app-shell.sources-open .followup-composer{right:0}.document-chip{max-width:100%}}@media (width>=761px) and (width<=960px){.app-shell.sources-open .followup-composer{right:17rem}}.conversation-sidebar{min-height:100vh;padding-bottom:var(--space-3);flex-direction:column;display:flex}.sidebar-new,.sidebar-toggle,.theme-trigger{min-height:2.75rem}.sidebar-new{justify-content:flex-start;align-items:center;font-weight:600;line-height:1;display:flex}.conversation-sidebar.collapsed .sidebar-new{margin:var(--space-3) 0;justify-content:center;padding:0;font-size:1.55rem}.sidebar-toggle{border-radius:var(--radius-md);justify-content:center;align-items:center;width:2.75rem;line-height:1;display:inline-flex}.sidebar-toggle:hover{background:var(--color-surface-subtle)}.sidebar-footer{padding-top:var(--space-4);margin-top:auto}.theme-control{width:100%;position:relative;bottom:auto;left:auto}.theme-trigger{border-radius:var(--radius-md);border-color:#0000;justify-content:flex-start;padding:.45rem .55rem;font-size:.85rem}.theme-trigger svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.7px;width:1.1rem;height:1.1rem}.theme-menu{min-width:min(16rem,100vw - 2rem);padding:.55rem;bottom:calc(100% + .6rem);left:0}.settings-heading{color:var(--foreground);margin:.15rem .3rem .55rem;font-size:.82rem;font-weight:700}.settings-label{color:var(--muted);letter-spacing:.06em;text-transform:uppercase;margin:0 .3rem .25rem;font-size:.7rem;font-weight:700}.conversation-sidebar.collapsed .settings-trigger-label,.conversation-sidebar.collapsed .theme-chevron{display:none}.conversation-sidebar.collapsed .theme-trigger{justify-content:center;width:2.75rem;padding:.45rem}.conversation-sidebar.collapsed .theme-menu{left:0}.conversation-workspace{align-items:stretch}.conversation-main{flex-direction:column;min-height:100vh;display:flex}.conversation-page{flex:1 0 auto;padding-bottom:13rem}.followup-composer{background:linear-gradient(transparent, var(--color-bg) 28%);padding:1.25rem var(--page-gutter) calc(1.25rem + env(safe-area-inset-bottom));z-index:10;width:100%;margin-top:auto;position:sticky;bottom:0;left:auto;right:auto}.conversation-sidebar.collapsed+.app-shell .followup-composer,.app-shell.sources-open .followup-composer{left:auto;right:auto}.sources-panel{align-self:stretch;height:100vh;min-height:0;position:sticky;top:0;overflow-y:auto}.sources-empty{max-width:17rem;margin:2rem 0;line-height:1.55}@media (width<=760px){.conversation-sidebar{min-height:100vh}.conversation-sidebar.collapsed .sidebar-new{margin-block:var(--space-3)}.conversation-page{padding-bottom:12rem}.followup-composer{padding:var(--space-2) var(--space-3) calc(var(--space-3) + env(safe-area-inset-bottom))}.sources-panel{height:auto;position:fixed}.theme-menu{left:0;right:auto}}