:root{--background:#0b0b0b;--background-deep:#050607;--background-rgb:11, 11, 11;--surface:#ffffff0e;--surface-strong:#ffffff16;--surface-soft:#ffffff09;--border:#ffffff1c;--border-strong:#fff3;--text:#f7f7f5;--muted:#a9abae;--muted-soft:#73777c;--danger:#e06f6f;--focus:#fff;--shadow:0 24px 70px #00000057;--shadow-soft:0 16px 48px #00000038;--ease:cubic-bezier(.22, 1, .36, 1);--accent:126, 255, 231;--accent-ink:#12403a;--nav-active:90, 165, 255;--surface-tint:255, 255, 255;--code-text:#d7ffef;--invert-surface:#ffffffeb;--invert-surface-strong:#fff;--invert-text:#0b0b0b;--radius-2xs:6px;--radius-xs:8px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-7:32px;--space-8:40px;--space-9:48px;--duration-instant:.12s;--duration-fast:.18s;--duration-base:.24s;--duration-slow:.32s;--shadow-xs:inset 0 1px 0 #ffffff14;--shadow-sm:0 8px 24px #0000002e;--shadow-md:0 16px 48px #00000038;--shadow-lg:0 24px 82px #0006;--glow-accent:0 0 12px rgba(var(--accent), .45);--glass-blur:blur(18px) saturate(1.05);--glass-blur-strong:blur(22px) saturate(1.05);--text-2xs:10px;--text-xs:11px;--text-sm:13px;--text-base:15px;--text-lg:18px;--text-xl:21px;--glass-base:22, 23, 26;--glass-subtle:linear-gradient(180deg, rgba(var(--surface-tint), .05), rgba(var(--surface-tint), .025)), rgba(var(--glass-base), .55);--glass-medium:linear-gradient(180deg, rgba(var(--surface-tint), .055), rgba(var(--surface-tint), .03)), rgba(var(--glass-base), .82);--glass-strong:linear-gradient(180deg, rgba(var(--surface-tint), .07), rgba(var(--surface-tint), .035)), rgba(var(--glass-base), .94);--glass-overlay:linear-gradient(180deg, rgba(var(--surface-tint), .055), rgba(var(--surface-tint), .02)), rgba(var(--glass-base), .985);--glass-blur-subtle:blur(12px) saturate(1.04);--glass-blur-medium:blur(18px) saturate(1.06);--glass-blur-panel:blur(14px) saturate(1.08);--scrim:#00000080;--tap:44px;--safe-t:env(safe-area-inset-top,0px);--safe-r:env(safe-area-inset-right,0px);--safe-b:env(safe-area-inset-bottom,0px);--safe-l:env(safe-area-inset-left,0px);--gutter:min(9vw, 126px);--gutter-chrome:clamp(32px, 5vw, 64px);--workspace-max:1200px;--workspace-gutter:var(--space-8);--workspace-top:var(--space-7);--color-bg:var(--background);--color-surface:var(--surface);--color-surface-elevated:var(--surface-strong);--color-surface-sunken:var(--surface-soft);--color-surface-overlay:var(--glass-strong);--color-border:var(--border);--color-border-strong:var(--border-strong);--color-text-primary:var(--text);--color-text-secondary:var(--muted);--color-text-muted:var(--muted-soft);--color-accent:rgb(var(--accent));--color-accent-subtle:rgba(var(--accent), .14);--color-danger:var(--danger);--color-danger-subtle:#e06f6f24;--color-success:rgb(var(--accent));--color-success-subtle:rgba(var(--accent), .14);--color-warning:#d9a03c;--color-warning-subtle:#d9a03c29;--color-focus:var(--focus);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-full:999px;--elevation-0:none;--elevation-1:0 1px 2px #00000029;--elevation-2:0 8px 20px #0003;--elevation-3:0 16px 40px #00000047;--font-size-display:26px;--reading-measure:680px;--font-size-h1:var(--text-xl);--font-size-h2:var(--text-lg);--font-size-h3:var(--text-base);--font-size-body:var(--text-base);--font-size-small:var(--text-sm);--font-size-metadata:var(--text-xs);--font-size-label:var(--text-2xs);--font-weight-regular:500;--font-weight-medium:600;--font-weight-semibold:700;--line-height-tight:1.3;--line-height-normal:1.5;--line-height-relaxed:1.7;--icon-2xs:12px;--icon-xs:14px;--icon-sm:16px;--icon-md:20px;--icon-lg:24px;--state-hover-wash:rgba(var(--surface-tint), .06);--state-active-wash:rgba(var(--surface-tint), .1);--state-active-scale:.97;--state-focus-ring:0 0 0 2px var(--color-focus)}.btn{justify-content:center;align-items:center;gap:var(--space-2);height:36px;padding:0 var(--space-4);border-radius:var(--radius-md);font-family:inherit;font-size:var(--font-size-small);font-weight:var(--font-weight-medium);cursor:pointer;border:1px solid #0000;line-height:1;transition:none;display:inline-flex}.btn:disabled{cursor:not-allowed;opacity:.5}.btn:focus-visible{box-shadow:var(--state-focus-ring);outline:none}.btn-pill{border-radius:var(--radius-full)}.btn-primary{background:var(--color-accent);color:var(--color-bg)}.btn-primary:not(:disabled):hover{filter:brightness(1.06)}.btn-primary:not(:disabled):active{transform:scale(var(--state-active-scale))}.btn-secondary{background:var(--color-surface);border-color:var(--color-border);color:var(--color-text-primary)}.btn-secondary:not(:disabled):hover{background:var(--state-hover-wash);border-color:var(--color-border-strong)}.btn-secondary:not(:disabled):active{background:var(--state-active-wash)}.btn-tertiary{color:var(--color-text-secondary);background:0 0}.btn-tertiary:not(:disabled):hover{background:var(--state-hover-wash);color:var(--color-text-primary)}.btn-tertiary:not(:disabled):active{background:var(--state-active-wash)}.btn-destructive{border-color:var(--color-danger-subtle);color:var(--color-danger);background:0 0}.btn-destructive:not(:disabled):hover{background:var(--color-danger-subtle)}.btn-destructive:not(:disabled):active{background:var(--color-danger-subtle);transform:scale(var(--state-active-scale))}.icon-btn{border-radius:var(--radius-sm);color:var(--color-text-secondary);cursor:pointer;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;transition:none;display:inline-flex}.icon-btn svg{display:block}.icon-btn:disabled{cursor:not-allowed;opacity:.5}.icon-btn:not(:disabled):hover{background:var(--state-hover-wash);color:var(--color-text-primary)}.icon-btn:not(:disabled):active{background:var(--state-active-wash)}.icon-btn:focus-visible{box-shadow:var(--state-focus-ring);outline:none}.icon-btn-sm{width:28px;height:28px}.icon-btn-md{width:34px;height:34px}.icon-btn-lg{width:var(--tap);height:var(--tap);border-radius:var(--radius-md)}.badge{height:20px;padding:0 var(--space-2);border-radius:var(--radius-full);font-size:var(--font-size-label);font-weight:var(--font-weight-medium);white-space:nowrap;align-items:center;line-height:1;display:inline-flex}.badge-neutral{background:var(--color-surface-elevated);color:var(--color-text-secondary)}.badge-accent{background:var(--color-accent-subtle);color:var(--color-accent)}.badge-success{background:var(--color-success-subtle);color:var(--color-success)}.badge-warning{background:var(--color-warning-subtle);color:var(--color-warning)}.badge-danger{background:var(--color-danger-subtle);color:var(--color-danger)}*{box-sizing:border-box}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}html,body{height:100%}body{background:radial-gradient(circle at 58% 3%, rgba(var(--surface-tint), .052), transparent 30rem), radial-gradient(circle at 18% 92%, #63ffe608, transparent 24rem), radial-gradient(circle at 88% 84%, #db72cb08, transparent 28rem), var(--background);color:var(--text);letter-spacing:0;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body:before{content:"";z-index:0;pointer-events:none;background-image:linear-gradient(rgba(var(--surface-tint), .014) 1px, transparent 1px), linear-gradient(90deg, rgba(var(--surface-tint), .01) 1px, transparent 1px);opacity:.15;background-size:96px 96px;position:fixed;inset:0;-webkit-mask-image:radial-gradient(circle at 50% 44%,#000,#0000 72%);mask-image:radial-gradient(circle at 50% 44%,#000,#0000 72%)}body:after{content:"";z-index:0;pointer-events:none;background:linear-gradient(to bottom, rgba(var(--surface-tint), .03), transparent 18%), radial-gradient(ellipse at center, transparent 42%, #00000061 100%);opacity:.88;position:fixed;inset:0}button,textarea,input{font:inherit}button{cursor:pointer;background:0 0;border:0}button:active{transform:translateY(0)}button:disabled{cursor:not-allowed;opacity:.48}:focus-visible{box-shadow:var(--state-focus-ring);outline:none}::selection{color:var(--text);background:#aeffef38}.boot-screen{background:var(--background);place-items:center;min-height:100dvh;display:grid;position:relative;overflow:hidden}.boot-screen:before{content:"";border-radius:var(--radius-full);filter:blur(42px);opacity:.42;background:radial-gradient(circle at 32% 30%,#9be0d833,#0000 38%),radial-gradient(circle at 72% 62%,#dbaad621,#0000 42%);width:280px;height:280px;position:absolute}.boot-symbol{object-fit:contain;width:72px;height:84px;filter:drop-shadow(0 22px 52px rgba(var(--surface-tint), .09));position:relative}.app-shell{--global-sidebar-w:264px;--project-sidebar-w:0px;isolation:isolate;grid-template-columns:var(--global-sidebar-w) minmax(0, 1fr);background:var(--color-bg);min-height:100dvh;transition:grid-template-columns var(--duration-base) var(--ease);display:grid;position:relative;overflow:hidden}.app-shell.sidebar-collapsed{--global-sidebar-w:0px}.app-shell.has-project-sidebar{--project-sidebar-w:46px;grid-template-columns:var(--global-sidebar-w) var(--project-sidebar-w) minmax(0, 1fr)}.sidebar{z-index:1;gap:var(--space-5);height:100dvh;padding:var(--space-4);border-right:1px solid var(--color-border);background:var(--color-surface);flex-direction:column;display:flex;position:relative}.sidebar.collapsed{padding:var(--space-4) 0;border-right:0;overflow:hidden}.sidebar-brand{align-items:center;gap:var(--space-3);width:100%;min-height:60px;display:flex;position:relative}.sidebar-brand-actions{align-items:center;gap:var(--space-1);flex:none;margin-left:auto;display:flex}.brand-wordmark{object-fit:contain;width:100px;height:auto;color:var(--color-text-primary)}.sidebar-icon-control{width:var(--tap);height:var(--tap);border-radius:var(--radius-md);color:var(--color-text-secondary);transition:background var(--duration-fast) 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input:focus{outline:none}.sidebar-new-project{justify-content:flex-start;gap:var(--space-2);width:100%;height:42px;padding:0 var(--space-3);border-radius:var(--radius-sm);font-size:14px;font-weight:500}.sidebar-section-label{color:var(--color-text-muted);font-size:var(--font-size-label);font-weight:var(--font-weight-semibold);letter-spacing:.06em;text-transform:uppercase;margin:0}.sidebar-label{white-space:nowrap;overflow:hidden}.project-list{flex-direction:column;flex:1;gap:2px;min-height:0;padding-right:2px;display:flex;overflow:hidden auto}.project-group,.project-row{min-width:0}.project-list::-webkit-scrollbar{width:8px}.conversation::-webkit-scrollbar{width:8px}.note-list-scroll::-webkit-scrollbar{width:8px}.document-library-scroll::-webkit-scrollbar{width:8px}.project-list::-webkit-scrollbar-thumb{border-radius:var(--radius-full);background:var(--color-border-strong);background-clip:content-box;border:2px solid #0000}.conversation::-webkit-scrollbar-thumb{border-radius:var(--radius-full);background:var(--color-border-strong);background-clip:content-box;border:2px solid #0000}.note-list-scroll::-webkit-scrollbar-thumb{border-radius:var(--radius-full);background:var(--color-border-strong);background-clip:content-box;border:2px solid #0000}.document-library-scroll::-webkit-scrollbar-thumb{border-radius:var(--radius-full);background:var(--color-border-strong);background-clip:content-box;border:2px solid #0000}.project-row{min-height:38px;padding:7px 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svg{flex:none;width:18px;height:18px}.project-menu-item:hover{background:#ffffff0f}.project-menu-item:focus-visible{box-shadow:var(--state-focus-ring);outline:none}.project-menu-item.is-destructive{color:#ff4d4d}.project-menu-item.is-destructive:hover{background:#ff4d4d1f}.project-name-input{border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);width:100%;min-height:36px;padding:0 var(--space-3);background:var(--color-surface-elevated);color:var(--color-text-primary)}.project-name-input:focus,.note-reading-textarea:focus{box-shadow:var(--state-focus-ring);outline:none}.project-list-empty{justify-items:center;gap:var(--space-3);padding:var(--space-7) var(--space-2);color:var(--color-text-muted);text-align:center;animation:contentRise var(--duration-slow) var(--ease) both;display:grid}.project-list-empty-icon{border:1px solid var(--color-border);border-radius:var(--radius-full);background:var(--color-surface-elevated);place-items:center;width:40px;height:40px;display:grid}.project-list-empty p{font-size:var(--font-size-small);margin:0}.sidebar-footer{height:1px;margin:0 calc(var(--space-2) * -1);border-top:1px solid var(--color-border);flex:none}.project-sidebar{z-index:1;width:100%;min-width:0;height:100dvh;padding:var(--space-4) 0 var(--space-5);background:0 0;flex-direction:column;justify-content:flex-end;display:flex;position:relative}.project-sidebar-nav{align-items:center;gap:var(--space-1);flex-direction:column;margin-top:auto;display:flex}.project-sidebar-nav-item{width:var(--tap);height:var(--tap);border-radius:var(--radius-md);color:var(--lib-text-secondary);transition:background var(--duration-fast) var(--ease), color var(--duration-fast) var(--ease);background:0 0;place-items:center;display:grid;position:relative}.project-sidebar-nav-item:hover{color:var(--lib-text-primary);background:#ffffff0a}.project-sidebar-nav-item.active{color:var(--lib-blue)}.project-sidebar-nav-item.active:hover{color:var(--lib-blue-hover)}.project-sidebar-nav-item:focus-visible{box-shadow:var(--state-focus-ring);outline:none}@keyframes lockedIconGlow{0%,to{filter:drop-shadow(0 0 4px #a855f740)}50%{filter:drop-shadow(0 0 10px #c084fc73)}}.project-sidebar-nav-item.is-locked{color:var(--locked-accent)}.project-sidebar-nav-item.is-locked:not(.active){opacity:.88}.project-sidebar-nav-item.is-locked:hover,.project-sidebar-nav-item.is-locked.active{color:var(--locked-accent-bright);opacity:1}.project-sidebar-nav-item.is-locked.active .project-sidebar-nav-icon{animation:2.8s ease-in-out infinite lockedIconGlow}.project-sidebar-nav-item.is-locked.active:hover{color:var(--locked-accent-vivid)}.project-sidebar-nav-item.is-locked:focus-visible{box-shadow:var(--state-focus-ring), var(--locked-glow)}.workspace-scope-switcher{border:1px solid var(--color-border);background:#ffffff05;border-radius:10px;align-items:center;gap:2px;padding:2px;display:inline-flex}.workspace-scope-button{width:34px;height:34px;color:var(--lib-text-secondary);transition:background var(--duration-fast) var(--ease), color var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);border-radius:8px;place-items:center;display:grid}.workspace-scope-button:hover{color:var(--lib-text-primary);background:#ffffff0a}.workspace-scope-button.is-research.is-active{color:var(--lib-blue);background:#4da3ff1f}.workspace-scope-button.is-locked{color:var(--locked-accent)}.workspace-scope-button.is-locked:hover{color:var(--locked-accent-bright);background:var(--locked-surface)}.workspace-scope-button.is-locked.is-active{color:var(--locked-accent-bright);background:var(--locked-surface-hover);box-shadow:var(--locked-glow)}.workspace-scope-button.is-locked.is-active:hover{color:var(--locked-accent-vivid)}.workspace-scope-button.is-locked.is-active .workspace-scope-lock-glyph{animation:2.8s ease-in-out infinite lockedIconGlow}.workspace-scope-lock-glyph{place-items:center;display:grid}.workspace-scope-button:focus-visible{box-shadow:var(--state-focus-ring);outline:none}.workspace-scope-button.is-locked.is-active:focus-visible{box-shadow:var(--state-focus-ring), var(--locked-glow)}.message-composer-shell.is-locked{--composer-accent:var(--locked-accent);--composer-accent-bright:var(--locked-accent-bright)}.message-composer.is-locked{border-color:var(--locked-border);background:linear-gradient(120deg, #7c3aed14, #d946ef0d), var(--color-surface-elevated,#151719);box-shadow:inset 0 1px #a855f70f}.composer-locked-indicator-slot{margin:0 0 var(--space-3);transition:grid-template-rows .5s var(--w-ease,var(--ease)), margin .5s var(--w-ease,var(--ease));grid-template-rows:1fr;display:grid}.composer-locked-indicator-slot.is-fading,.composer-locked-indicator-slot.is-hidden{grid-template-rows:0fr;margin-bottom:0}.composer-locked-indicator-slot>.composer-locked-indicator{min-height:0;overflow:hidden}.composer-locked-indicator-slot.is-visible>.composer-locked-indicator{opacity:1;transition:opacity .5s var(--w-ease,var(--ease)), transform .5s var(--w-ease,var(--ease));transform:none}.composer-locked-indicator-slot.is-fading>.composer-locked-indicator{opacity:0;transition:opacity .5s var(--w-ease,var(--ease)), transform .5s var(--w-ease,var(--ease));transform:translateY(-4px)}.composer-locked-indicator--persistent{margin:0 0 var(--space-3)}.composer-locked-indicator{color:var(--locked-accent-bright);font-size:12px;font-weight:var(--font-weight-medium);letter-spacing:.04em;align-items:center;gap:8px;margin:0;display:flex}.composer-locked-indicator-icon{color:var(--locked-accent-bright);place-items:center;display:grid}.composer-add-source-label{border:1px solid var(--locked-border);background:var(--locked-surface);height:36px;color:var(--locked-accent-bright);font-size:12px;font-weight:var(--font-weight-medium);white-space:nowrap;transition:background var(--duration-fast) var(--ease), border-color var(--duration-fast) var(--ease), color var(--duration-fast) var(--ease);border-radius:10px;align-items:center;gap:7px;padding:0 12px;display:inline-flex}.composer-add-source-label:hover{background:var(--locked-surface-hover);color:var(--locked-accent-vivid);border-color:#a855f766}.composer-add-source-label:focus-visible{outline:none;box-shadow:0 0 0 2px #a855f759}.composer-attachments.is-locked-boundary .composer-attachment{border-color:var(--locked-border);background:var(--locked-surface)}.composer-attachments.is-locked-boundary .composer-attachment-icon{color:var(--locked-accent-bright)}.workspace.is-locked .citation-ref,.locked-research-context .citation-ref{background:var(--locked-surface);color:var(--locked-accent-bright)}.workspace.is-locked button.citation-ref:hover,.locked-research-context button.citation-ref:hover{background:var(--locked-surface-hover);color:var(--locked-accent-vivid)}.workspace.is-locked .message-item-ai .citation-chip,.workspace.is-locked .knowledge-citation-mark,.locked-research-context .knowledge-citation-mark{color:var(--locked-accent-bright)}.locked-research-context 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var(--safe-l))}.document-library-viewer-title{font-size:22px}.sources-workspace-header{gap:var(--space-3);padding:calc(var(--space-3) + var(--safe-t)) calc(var(--space-5) + var(--safe-r)) 0 calc(var(--space-5) + var(--safe-l))}.sources-title{font-size:24px}.sources-workspace-body{padding:var(--space-5) calc(var(--space-5) + var(--safe-r)) calc(var(--space-8) + var(--safe-b)) calc(var(--space-5) + var(--safe-l))}.source-card-grid{gap:var(--space-4);grid-template-columns:1fr}.explore-banner{padding:var(--space-2) var(--space-3)}}@media (max-height:560px){.conversation{gap:var(--space-6);padding-top:var(--space-5);padding-bottom:var(--space-4)}.composer-area{gap:var(--space-2);padding-top:var(--space-3);padding-bottom:calc(var(--space-3) + var(--safe-b))}.message-composer textarea{min-height:40px;max-height:88px}.sidebar{gap:var(--space-4);padding-top:var(--space-4);padding-bottom:var(--space-4)}.welcome-content{gap:var(--space-2)}.welcome-question{font-size:var(--font-size-small);margin-bottom:0}.popover-surface{max-height:88dvh}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important}}