.shell{display:grid;grid-template-columns:var(--brain-sidebar-width) minmax(0,1fr);grid-template-rows:minmax(0,1fr);height:100dvh;overflow:hidden;background:var(--brain-surface)}.shell.with-rail{grid-template-columns:var(--brain-sidebar-width) minmax(0,1fr) var(--brain-rail-width)}@media (min-width:1600px){.shell.with-rail{grid-template-columns:var(--brain-sidebar-width) minmax(0,1fr) 460px}}.sidebar{display:flex;flex-direction:column;min-height:0;background:var(--brain-surface-sunken);-webkit-border-end:1px solid var(--brain-divider);border-inline-end:1px solid var(--brain-divider);transition:width var(--brain-duration-base) var(--brain-ease-standard)}.sidebar-header{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--brain-space-2);flex-shrink:0;padding:var(--brain-space-3) var(--brain-space-3) var(--brain-space-2)}.sidebar-tools{display:flex;flex-shrink:0;align-items:center;gap:2px}.sidebar-tools .brain-btn{text-decoration:none;flex-shrink:0}.sidebar-quick-action,.sidebar-toggle-btn{min-width:28px;min-height:28px;padding:4px;border-radius:var(--brain-radius-xs);background:transparent;border:0;box-shadow:none;color:var(--brain-text-muted);cursor:pointer;transition:background-color var(--brain-duration-fast) var(--brain-ease-standard),color var(--brain-duration-fast) var(--brain-ease-standard)}.sidebar:not([data-collapsed=true]) .sidebar-quick-action{display:none}.sidebar-quick-action:hover,.sidebar-toggle-btn:hover{background:var(--brain-surface-hover);color:var(--brain-text)}.brand{display:flex;flex:1 1 auto;align-items:center;gap:var(--brain-space-3);min-width:0;padding-block:4px}.brand .brand-mark:not(.brand-mark--compact){width:92px;height:28px!important;object-fit:contain;object-position:left center}.brand-name{min-width:0;overflow:hidden;color:var(--brain-text);font-size:var(--brain-text-sm);font-weight:var(--brain-weight-semibold);text-overflow:ellipsis;white-space:nowrap}.brand-divider{flex:none;width:1px;height:22px;background:var(--brain-divider)}.brand-partner{display:inline-flex;flex:none;opacity:.92}.brand-partner .mosaico-wordmark{width:92px;height:auto}.sidebar nav{min-height:0;padding:0}.sidebar-slot{flex:1 1 auto;min-height:0;display:flex;flex-direction:column;overflow:hidden;padding:0 var(--brain-space-2) var(--brain-space-2)}.sidebar-action{display:flex;align-items:center;gap:var(--brain-space-2);width:100%;min-height:30px;padding:5px 8px;border:0;border-radius:var(--brain-radius-xs);background:transparent;color:var(--brain-text);font-size:var(--brain-text-sm);font-weight:var(--brain-weight-medium);text-align:left;cursor:pointer;transition:background-color var(--brain-duration-fast) var(--brain-ease-standard)}.sidebar-action:focus-visible,.sidebar-action:hover{background:var(--brain-surface-hover)}.action-glyph__dot,.action-glyph__lens,.action-glyph__piece{transform-box:fill-box;transform-origin:center}.action-glyph__dot{fill:var(--brain-accent-600);opacity:0;transform:scale(0);transition:opacity .12s var(--brain-ease-standard),transform .16s var(--brain-ease-enter)}.action-glyph__lens{transition:transform .18s var(--brain-ease-enter)}.sidebar-action:hover .action-glyph__piece--across{animation:glyph-from-left .22s var(--brain-ease-enter)}.sidebar-action:hover .action-glyph__piece--down{animation:glyph-from-top .22s var(--brain-ease-enter) 40ms both}.sidebar-action:hover .action-glyph__lens{transform:rotate(-12deg)}.sidebar-action:hover .action-glyph__dot{opacity:1;transform:scale(1);transition-delay:.12s}@keyframes glyph-from-left{0%{opacity:.35;transform:translateX(-3px)}}@keyframes glyph-from-top{0%{opacity:.35;transform:translateY(-3px)}}.account{flex-shrink:0;margin-top:auto;padding:var(--brain-space-2)}.account-wrap{position:relative}.account-trigger{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;grid-gap:var(--brain-space-2);gap:var(--brain-space-2);inline-size:100%;padding:var(--brain-space-2);border:0;border-radius:var(--brain-radius-md);background:var(--brain-surface-raised);box-shadow:var(--brain-shadow-sm);color:var(--brain-text);text-align:left;cursor:pointer;transition:background-color var(--brain-duration-fast) var(--brain-ease-standard),box-shadow var(--brain-duration-fast) var(--brain-ease-standard)}.account-trigger:hover{box-shadow:var(--brain-shadow-md)}.account-trigger:hover,.account-trigger[aria-expanded=true]{background:var(--brain-surface-hover)}.account-avatar{display:grid;place-items:center;inline-size:34px;block-size:34px;border-radius:10px;background:var(--brain-accent-100);color:var(--brain-accent-700);font-size:var(--brain-text-xs);font-weight:var(--brain-weight-semibold)}.account-avatar--admin{background:var(--brain-accent);color:var(--brain-text-on-accent)}.account-text{display:grid;grid-gap:3px;gap:3px;min-width:0}.account-name{overflow:hidden;font-size:var(--brain-text-base);font-weight:var(--brain-weight-medium);line-height:var(--brain-leading-tight);text-overflow:ellipsis;white-space:nowrap}.account-meta{display:flex;align-items:center;flex-wrap:wrap;gap:var(--brain-space-1) var(--brain-space-2);min-width:0;font-size:var(--brain-text-xs);line-height:1.4}.account-role{flex-shrink:0;padding:1px var(--brain-space-2);border-radius:var(--brain-radius-full);background:var(--brain-surface-active);color:var(--brain-text-muted);font-weight:var(--brain-weight-medium)}.account-role--admin{background:var(--brain-accent-quiet);color:var(--brain-accent-hover)}.account-rami{min-width:0;max-inline-size:100%;overflow:hidden;color:var(--brain-text-muted);text-overflow:ellipsis;white-space:nowrap}.account-chevron{flex-shrink:0;-webkit-margin-end:var(--brain-space-1);margin-inline-end:var(--brain-space-1);color:var(--brain-text-faint);transition:transform var(--brain-duration-base) var(--brain-ease-standard)}.account-trigger[aria-expanded=true] .account-chevron{transform:rotate(180deg)}.chat-nav{display:flex;flex-direction:column;flex:1 1 auto;min-height:0;overflow:hidden}.sidebar-chat-actions{flex-shrink:0;display:flex;flex-direction:column;gap:2px;padding-bottom:2px}.sidebar-modules-section{flex-shrink:0}.sidebar-section-divider{height:1px;background:var(--brain-divider);margin:4px 2px 6px;border:none;flex-shrink:0}.sidebar-chat-header{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:4px 8px 2px;-webkit-user-select:none;-moz-user-select:none;user-select:none}.sidebar-group-title{font-weight:var(--brain-weight-semibold);text-transform:uppercase;letter-spacing:.06em}.sidebar-group-count,.sidebar-group-title{font-size:10px;color:var(--brain-text-faint)}.sidebar-group-count{font-weight:var(--brain-weight-medium);background:var(--brain-surface-active);padding:0 5px;border-radius:999px;line-height:1.4}.conversations{flex:1 1 auto;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:8px;padding-right:2px}.conversations-empty{padding:16px 8px;text-align:center;font-size:var(--brain-text-xs);color:var(--brain-text-faint)}.conversation-group{display:flex;flex-direction:column;gap:1px}.conversation-group__header{display:flex;align-items:center;justify-content:space-between;font-size:10px;font-weight:var(--brain-weight-semibold);text-transform:uppercase;letter-spacing:.05em;color:var(--brain-text-faint);padding:4px 8px 2px;-webkit-user-select:none;-moz-user-select:none;user-select:none}.conversation-group__pin-icon{color:var(--brain-accent)}.conversation-group__list{display:flex;flex-direction:column;gap:1px}.conv-row{position:relative;display:flex;align-items:center;gap:2px;min-height:30px;padding-right:2px;border-radius:var(--brain-radius-xs);transition:background-color var(--brain-duration-fast) var(--brain-ease-standard)}.conv-row:focus-within,.conv-row:hover,.conv-row[data-menu-open=true]{background:var(--brain-surface-hover)}.conv-row:has(.conv[aria-current=true]),.conv-row[data-active=true]{background:var(--brain-surface-active)}.conv{flex:1 1 auto;min-width:0;padding:5px 8px;background:none;border:0;border-radius:var(--brain-radius-xs);color:inherit;font-size:var(--brain-text-sm);text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.25;cursor:pointer}.conv-title{display:block}.conv[aria-current=true]{font-weight:var(--brain-weight-semibold)}.conv-more{display:none;flex:none;align-items:center;justify-content:center;inline-size:24px;block-size:24px;padding:0;border:0;border-radius:6px;background:transparent;color:var(--brain-text-muted);cursor:pointer;transition:color var(--brain-duration-fast) var(--brain-ease-standard),background-color var(--brain-duration-fast) var(--brain-ease-standard)}.conv-row:focus-within .conv-more,.conv-row:hover .conv-more,.conv-row[data-active=true] .conv-more,.conv-row[data-menu-open=true] .conv-more{display:inline-flex}.conv-more:hover,.conv-more[data-state=open]{color:var(--brain-text);background:var(--brain-surface-raised)}.conv-unread{flex:none;inline-size:8px;block-size:8px;margin-inline:8px;border-radius:50%;background:var(--brain-accent-600)}.conv-row:focus-within .conv-unread,.conv-row:hover .conv-unread,.conv-row[data-active=true] .conv-unread,.conv-row[data-menu-open=true] .conv-unread{display:none}.conv-row[data-unread=true] .conv{font-weight:var(--brain-weight-semibold)}@media (hover:none){.conv-more{display:inline-flex}.conv-row:focus-within .conv-unread,.conv-row[data-active=true] .conv-unread{display:block}}.main{--brain-chat-width:min(52rem,calc(100% - 2 * var(--brain-space-5)));display:flex;flex-direction:column;min-width:0;min-height:0}.topbar{display:flex;align-items:center;justify-content:space-between;gap:var(--brain-space-3);padding:var(--brain-space-3) var(--brain-space-5);background:var(--brain-surface)}.topbar strong{font-weight:var(--brain-weight-medium);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@keyframes brain-title-in{0%{opacity:0;transform:translateY(-.35em)}to{opacity:1;transform:none}}.conv-title{display:inline-block;min-width:0;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom;animation:brain-title-in var(--brain-duration-base) var(--brain-ease-enter) both}@keyframes brain-type-in{0%{opacity:0;filter:blur(3px);transform:translateY(.22em)}to{opacity:1;filter:none;transform:none}}@keyframes brain-type-caret-out{to{opacity:0;visibility:hidden}}@keyframes brain-title-wait{50%{opacity:.45}}.conv-title.typed-title{animation:none}.typed-title__char{display:inline-block;white-space:pre;opacity:0;animation:brain-type-in .32s var(--brain-ease-enter) forwards;animation-delay:calc(var(--i) * var(--type-step))}.typed-title__caret{display:inline-block;width:1.5px;height:1em;margin-left:1px;vertical-align:-.12em;border-radius:1px;background:var(--brain-accent);animation:brain-caret .5s steps(1) infinite,brain-type-caret-out .2s ease forwards;animation-delay:0s,calc(var(--type-count) * var(--type-step) + .7s)}.conv-title[data-titling=true]{animation:brain-title-in var(--brain-duration-base) var(--brain-ease-enter) both,brain-title-wait 1.4s ease-in-out infinite}@media (prefers-reduced-motion:reduce){.typed-title__char{animation:none;opacity:1}.typed-title__caret{display:none}.conv-title[data-titling=true]{animation:none}}@keyframes brain-tip-in{0%{opacity:0;transform:translate(-4px,-50%)}to{opacity:1;transform:translateY(-50%)}}.conv-tip{position:fixed;z-index:80;max-width:300px;padding:var(--brain-space-2) var(--brain-space-3);transform:translateY(-50%);background:var(--brain-surface-raised);border:1px solid var(--brain-divider);border-radius:var(--brain-radius-md);box-shadow:var(--brain-shadow-md);pointer-events:none;animation:brain-tip-in var(--brain-duration-fast) var(--brain-ease-enter) both}.conv-tip__title{display:block;color:var(--brain-text);font-size:var(--brain-text-sm);font-weight:var(--brain-weight-medium);line-height:var(--brain-leading-snug);overflow-wrap:anywhere}.conv-tip__moment{display:block;margin-top:2px;color:var(--brain-text-muted);font-size:var(--brain-text-xs)}.thread{flex:1 1;min-height:0;overflow-y:auto;padding:var(--brain-space-4) var(--brain-space-5) var(--brain-space-8)}.thread-layout{display:grid;grid-template-columns:12px minmax(0,var(--brain-chat-width));justify-content:center;grid-column-gap:var(--brain-space-5);column-gap:var(--brain-space-5)}.turn-spine-slot{position:relative}.turn-spine{position:-webkit-sticky;position:sticky;top:var(--brain-space-4);flex-direction:column;gap:2px;padding-block:var(--brain-space-2)}.turn-spine,.turn-tick{display:flex;align-items:center}.turn-tick{justify-content:center;width:12px;height:22px;padding:0;border:0;background:transparent;cursor:pointer}.turn-tick:before{content:"";width:3px;height:10px;border-radius:var(--brain-radius-full);background:var(--brain-text-faint);transition:height var(--brain-duration-fast) var(--brain-ease-standard),background-color var(--brain-duration-fast) var(--brain-ease-standard)}.turn-tick:focus-visible:before,.turn-tick:hover:before{background:var(--brain-text-muted)}.turn-tick[aria-current=true]:before{height:16px;background:var(--brain-accent)}.thread-turns{min-width:0}.exchange{margin-bottom:var(--brain-space-8);scroll-margin-top:var(--brain-space-6)}.exchange:last-child{margin-bottom:0}.turn--user{max-width:42ch;-webkit-margin-start:auto;margin-inline-start:auto;margin-bottom:var(--brain-space-6);padding:var(--brain-space-3) var(--brain-space-4);border-radius:var(--brain-radius-lg);background:var(--brain-accent);color:var(--brain-text-on-accent);overflow-wrap:anywhere}.turn--user p{margin:0}.turn--assistant{min-width:0}.turn-duration{margin-bottom:var(--brain-space-3);padding-bottom:var(--brain-space-3);border-bottom:1px solid var(--brain-divider)}.turn-cost,.turn-duration{color:var(--brain-text-muted);font-size:var(--brain-text-xs);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.turn-cost{margin-top:var(--brain-space-2);text-align:right;cursor:help}@media (max-width:768px){.thread-layout{grid-template-columns:minmax(0,1fr)}.turn-spine-slot{display:none}}.clarify-options{display:flex;flex-wrap:wrap;gap:var(--brain-space-2);margin-top:var(--brain-space-3)}.clarify-option{text-align:left;white-space:normal}.clarify-option.is-chosen{border-color:var(--brain-accent);font-weight:600}.clarify-option:disabled:not(.is-chosen){opacity:.55}.clarify-free{margin:var(--brain-space-3) 0 0;color:var(--brain-text-muted);font-size:var(--brain-text-sm)}.answer>p{margin:var(--brain-space-3) 0}.answer>p:first-child{margin-top:0}.answer>p:last-child{margin-bottom:0}.answer ol,.answer ul{margin:var(--brain-space-3) 0 var(--brain-space-3) var(--brain-space-5)}.answer li{margin:var(--brain-space-1) 0}.answer h1,.answer h2,.answer h3,.answer h4{margin:var(--brain-space-4) 0 var(--brain-space-2);font-size:var(--brain-text-md);font-weight:var(--brain-weight-semibold)}.answer table{width:100%;margin:var(--brain-space-3) 0;border-collapse:collapse;font-size:var(--brain-text-base)}.answer td,.answer th{padding:var(--brain-space-2) var(--brain-space-3);text-align:left;border-top:1px solid var(--brain-divider)}.answer th{border-top:0;font-size:var(--brain-text-xs);text-transform:uppercase;letter-spacing:var(--brain-tracking-wide);color:var(--brain-text-muted)}.answer code{padding:1px 5px;border-radius:var(--brain-radius-xs);background:var(--brain-surface-sunken);font-family:var(--brain-font-mono);font-size:.9em}.answer pre{padding:var(--brain-space-3);overflow-x:auto}.answer blockquote,.answer pre{margin:var(--brain-space-3) 0;border-radius:var(--brain-radius-sm);background:var(--brain-surface-sunken)}.answer blockquote{padding:var(--brain-space-2) var(--brain-space-4);color:var(--brain-text-muted)}.sources{display:flex;flex-wrap:wrap;align-items:center;gap:var(--brain-space-2);margin-top:var(--brain-space-4)}.sources-label{font-size:var(--brain-text-xs);color:var(--brain-text-faint)}.cite-index{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-weight:var(--brain-weight-semibold)}.usage-meter{max-width:var(--brain-chat-width);margin:0 auto;padding:0 var(--brain-space-5) var(--brain-space-2);box-sizing:content-box}.usage-meter__bars{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:var(--brain-space-4);gap:var(--brain-space-4)}.usage-meter__warning{margin:var(--brain-space-2) 0 0;font-size:var(--brain-text-xs);color:var(--brain-warn)}.composer-foot{box-sizing:border-box;width:100%;padding:0 var(--brain-space-5) var(--brain-space-3);background:var(--brain-surface);font-size:12px;line-height:1.4;color:var(--brain-text-muted)}.composer-foot__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--brain-space-1) var(--brain-space-4);max-width:var(--brain-chat-width);margin:0 auto;padding-inline:var(--brain-space-3);box-sizing:border-box}.composer:has(+.composer-foot){padding-bottom:var(--brain-space-2)}.welcome .composer-foot{padding:var(--brain-space-3) 0 0;background:none}.welcome .composer-foot__inner{max-width:none}.composer-foot__brand{display:inline-flex;align-items:center;gap:6px;margin:0;white-space:nowrap}.composer-foot .mosaico-wordmark{height:12px}.usage-inline{flex-wrap:wrap;justify-content:flex-end;gap:var(--brain-space-1) var(--brain-space-3);-webkit-margin-start:auto;margin-inline-start:auto}.usage-inline,.usage-inline__open{display:inline-flex;align-items:center}.usage-inline__open{gap:var(--brain-space-3);margin:0;padding:2px var(--brain-space-2);border:0;border-radius:var(--brain-radius-sm);background:transparent;color:inherit;font:inherit;cursor:pointer;transition:color var(--brain-duration-fast) var(--brain-ease-standard),background-color var(--brain-duration-fast) var(--brain-ease-standard)}.usage-inline__open:hover{color:var(--brain-text);background:var(--brain-surface-sunken)}.usage-inline__item{display:inline-flex;align-items:center;gap:6px}.usage-inline__track{width:36px;height:3px;border-radius:var(--brain-radius-full);background:var(--brain-divider);overflow:hidden}.usage-inline__fill{display:block;height:100%;border-radius:inherit;background:var(--brain-text-muted);transition:width .24s ease-out}.usage-inline__value{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.usage-inline__item--near .usage-inline__fill{background:var(--brain-warn)}.usage-inline__item--near .usage-inline__value,.usage-inline__warning{color:var(--brain-warn)}.usage-inline__item--blocked .usage-inline__fill{background:var(--brain-danger)}.usage-inline__item--blocked .usage-inline__value{color:var(--brain-danger);font-weight:600}@media (prefers-reduced-motion:reduce){.usage-inline__fill{transition:none}}.account-usage .usage-meter{max-width:none;padding:0}.account-usage .usage-meter__bars{grid-template-columns:minmax(0,1fr);gap:var(--brain-space-3)}.account-usage__note{margin:var(--brain-space-3) 0;color:var(--brain-text-muted)}@media (max-width:640px){.usage-meter__bars{grid-template-columns:minmax(0,1fr);gap:var(--brain-space-2)}}.composer{padding:0 var(--brain-space-5) var(--brain-space-5);background:var(--brain-surface)}.composer form{display:flex;gap:var(--brain-space-2);align-items:flex-end;max-width:var(--brain-chat-width);margin:0 auto;padding:var(--brain-space-2);border-radius:var(--brain-radius-lg);background:var(--brain-surface-raised);box-shadow:var(--brain-shadow-md)}.composer textarea{flex:1 1 auto;min-width:0;min-height:40px;max-height:220px;padding:var(--brain-space-2) var(--brain-space-3);background:transparent;border:0;resize:none;overflow-y:auto}.composer textarea:focus-visible{outline:none}.composer .error{max-width:var(--brain-chat-width);margin:0 auto var(--brain-space-2)}.composer--hero{width:100%;padding:0;background:transparent}.composer--hero form{flex-direction:column;align-items:stretch;max-width:none;padding:var(--brain-space-4) var(--brain-space-4) var(--brain-space-3);border-radius:var(--brain-radius-xl);background:var(--brain-surface-raised);box-shadow:var(--brain-shadow-md)}.composer--hero textarea{flex:none;width:100%;min-height:4.5rem;padding:0}.composer--hero .composer-send{align-self:flex-end}.composer--hero .error{max-width:none}.welcome{--tessera-vivid:var(--brain-accent-400);--tessera-soft:color-mix(in oklch,var(--brain-accent-300) 45%,transparent);--tessera-pale:var(--brain-accent-100);--tessera-tint:color-mix(in oklch,var(--brain-accent-700) 14%,transparent);--tessera-strong:var(--brain-accent-600);--tessera-deep:color-mix(in oklch,var(--brain-accent-700) 58%,black);--welcome-mark-piece:var(--brain-accent-50);--welcome-mark-dot:var(--brain-accent-300);--welcome-highlight:var(--brain-accent-200);animation:brain-brand-in 2.6s cubic-bezier(.4,0,.2,1) both;position:relative;isolation:isolate;container-type:inline-size;flex:1 1;min-width:0;min-height:0;display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden;padding:var(--brain-space-6) var(--brain-space-5) var(--brain-space-5)}@property --tessera-vivid{syntax:"<color>";inherits:true;initial-value:#d6f36a}@property --tessera-soft{syntax:"<color>";inherits:true;initial-value:rgb(157 180 165/.45)}@property --tessera-pale{syntax:"<color>";inherits:true;initial-value:#e4e0d4}@property --tessera-tint{syntax:"<color>";inherits:true;initial-value:rgb(22 60 48/.14)}@property --tessera-strong{syntax:"<color>";inherits:true;initial-value:#4a7300}@property --tessera-deep{syntax:"<color>";inherits:true;initial-value:#0f2a22}@property --welcome-mark-piece{syntax:"<color>";inherits:true;initial-value:#f3f1e9}@property --welcome-mark-dot{syntax:"<color>";inherits:true;initial-value:#d6f36a}@property --welcome-highlight{syntax:"<color>";inherits:true;initial-value:#d6f36a}@keyframes brain-brand-in{0%,42%{--tessera-vivid:#d6f36a;--tessera-soft:rgb(157 180 165/0.45);--tessera-pale:#e4e0d4;--tessera-tint:rgb(22 60 48/0.14);--tessera-strong:#4a7300;--tessera-deep:#0f2a22;--welcome-mark-piece:#f3f1e9;--welcome-mark-dot:#d6f36a;--welcome-highlight:#d6f36a}}.mosaic-field{--mx:0;--my:0;z-index:0;overflow:hidden;pointer-events:none}.mosaic-field,.mosaic-group{position:absolute;inset:0}.mosaic-group--north{transform-origin:100% 0}.mosaic-group--south{transform-origin:0 100%}.tessera{position:absolute;translate:calc(var(--mx) * var(--depth) * 18px) calc(var(--my) * var(--depth) * 14px);transition:translate .9s cubic-bezier(.2,.7,.2,1);animation:brain-tessera-in .9s var(--brain-ease-enter) both;animation-delay:calc(var(--i) * 60ms + .12s)}.tessera__piece{display:block;width:100%;height:100%;transform:translate(var(--dx),var(--dy)) rotate(var(--turn));transition:transform 1.1s cubic-bezier(.34,1.25,.5,1);transition-delay:calc(var(--i) * 40ms)}.mosaic-field[data-assembled=true] .tessera__piece{transform:none}.tessera__body{display:block;width:100%;height:100%;border-radius:var(--radius);animation:brain-tessera-drift var(--drift) ease-in-out infinite alternate;animation-delay:calc(var(--i) * -2.3s)}.mosaic-field[data-assembled=true] .tessera__body{animation:none}.tessera--round .tessera__body{border-radius:50%}.tessera--vivid .tessera__body{background:var(--tessera-vivid)}.tessera--soft .tessera__body{background:var(--tessera-soft)}.tessera--pale .tessera__body{background:var(--tessera-pale)}.tessera--tint .tessera__body{background:var(--tessera-tint)}.tessera--deep .tessera__body{background:var(--tessera-deep)}.tessera--strong .tessera__body{background:var(--tessera-strong)}@keyframes brain-tessera-in{0%{opacity:0;scale:.6}to{opacity:1;scale:1}}@keyframes brain-tessera-drift{0%{transform:translateZ(0) rotate(0deg)}to{transform:translate3d(0,-9px,0) rotate(3deg)}}@container (max-width: 900px){.mosaic-group--south{display:none}.mosaic-group--north{scale:.7}}@container (max-width: 520px){.mosaic-group--north{scale:.5}}.mosaico-mark{display:grid;place-items:center;width:64px;height:64px;border-radius:18px;background:var(--tessera-deep);animation:brain-mark-in .52s var(--brain-ease-enter) both}.mosaico-mark__glyph{width:58%;height:58%;overflow:visible}.mosaico-mark__piece{fill:var(--welcome-mark-piece)}.mosaico-mark__piece--top{animation:brain-incastro-top .82s cubic-bezier(.2,.8,.2,1) .14s both}.mosaico-mark__piece--bottom{animation:brain-incastro-bottom .82s cubic-bezier(.2,.8,.2,1) .14s both}.mosaico-mark__dot,.mosaico-mark__pulse{transform-box:fill-box;transform-origin:center}.mosaico-mark__dot{fill:var(--welcome-mark-dot);animation:brain-dot-in .56s cubic-bezier(.3,1.6,.5,1) .76s both}.mosaico-mark[data-lit=true] .mosaico-mark__pulse{animation:brain-dot-breathe 1.1s ease-in-out infinite alternate}@keyframes brain-mark-in{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:none}}@keyframes brain-incastro-top{0%{opacity:0;transform:translate(-28px,-28px)}to{opacity:1;transform:none}}@keyframes brain-incastro-bottom{0%{opacity:0;transform:translate(28px,28px)}to{opacity:1;transform:none}}@keyframes brain-dot-in{0%{opacity:0;transform:scale(.3)}to{opacity:1;transform:scale(1)}}@keyframes brain-dot-breathe{0%{transform:scale(1)}to{transform:scale(1.22)}}.welcome-inner{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;box-sizing:border-box;width:100%;max-width:40rem;margin:auto;animation:brain-welcome-in var(--brain-duration-slow) var(--brain-ease-enter) both}@keyframes brain-welcome-in{0%{opacity:0;transform:translateY(.5rem)}to{opacity:1;transform:none}}.welcome-hello{margin:0 0 var(--brain-space-7);color:var(--tessera-deep);font-family:var(--brand-font-display),var(--brain-font-sans);font-size:clamp(1.75rem,3.6vw,2.5rem);font-weight:600;letter-spacing:-.03em;line-height:1.08;text-align:center;text-wrap:balance}.welcome-name{position:relative;padding:0 .06em;font-family:var(--brand-font-serif),Georgia,"Times New Roman",serif;font-style:italic;font-weight:400;letter-spacing:0}.welcome-name:before{content:"";position:absolute;z-index:-1;left:0;right:0;bottom:.1em;height:.38em;background:var(--welcome-highlight);transform-origin:left center;animation:brain-highlight-in .64s cubic-bezier(.2,.8,.2,1) .98s both}@keyframes brain-highlight-in{0%{transform:scaleX(0)}to{transform:scaleX(1)}}.mosaico-wordmark{display:block;width:auto;height:15px}.mosaico-wordmark__ink{fill:#0f2a22}.mosaico-wordmark__accent{fill:#4a7300}.welcome-examples{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--brain-space-2);width:100%;margin-top:var(--brain-space-5)}.welcome-examples button{max-width:100%;padding:var(--brain-space-2) var(--brain-space-4);border:0;border-radius:var(--brain-radius-xl);background:var(--brain-surface-raised);box-shadow:inset 0 0 0 1px var(--brain-divider);color:var(--brain-text-muted);font-size:var(--brain-text-sm);line-height:var(--brain-leading-snug);text-align:left;cursor:pointer;transition:color var(--brain-duration-fast) var(--brain-ease-standard),box-shadow var(--brain-duration-fast) var(--brain-ease-standard),transform var(--brain-duration-fast) var(--brain-ease-standard)}.welcome-examples button:focus-visible,.welcome-examples button:hover{color:var(--brain-text);box-shadow:var(--brain-shadow-md);transform:translateY(-1px)}.turn-preview{margin:0}.turn-preview>:last-child:after{content:"▍";margin-left:.1em;color:var(--brain-accent);animation:brain-caret 1s steps(2,start) infinite}.turn-failed{margin:0;color:var(--brain-text-muted)}@keyframes brain-caret{50%{opacity:0}}@media (prefers-reduced-motion:reduce){.turn-preview>:last-child:after{animation:none}}.thinking-status{display:flex;align-items:center;gap:var(--brain-space-2);color:var(--brain-text-muted);min-height:1.5rem}.thinking-status canvas{display:block;flex-shrink:0;opacity:.62}.thinking-status-copy{font-size:.8125rem;letter-spacing:.01em;transition:opacity var(--brain-duration-base) var(--brain-ease-standard)}.thinking-status-copy.is-fading{opacity:0}.thinking-status--phase .thinking-status-copy{animation:brain-phase-in .32s var(--brain-ease-standard)}@keyframes brain-phase-in{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){.thinking-status--phase .thinking-status-copy{animation:none}}.rail{display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr);min-width:0;background:var(--brain-surface-sunken)}.rail.split{grid-template-rows:minmax(240px,46%) minmax(0,1fr)}.graph-panel{position:relative;min-width:0;min-height:0;display:grid;grid-template-rows:minmax(0,1fr)}.source-panel{display:flex;flex-direction:column;min-height:0;min-width:0;background:var(--brain-surface-raised)}.source-panel>header{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:start;grid-gap:var(--brain-space-3);gap:var(--brain-space-3);padding:var(--brain-space-4) var(--brain-space-4) var(--brain-space-3)}.source-title{font-weight:var(--brain-weight-semibold);line-height:var(--brain-leading-snug);overflow-wrap:anywhere}.source-meta{margin-top:var(--brain-space-2);font-size:var(--brain-text-xs);color:var(--brain-text-muted)}.source-meta,.source-tabs{display:flex;flex-wrap:wrap;gap:var(--brain-space-2)}.source-tabs{padding:0 var(--brain-space-4) var(--brain-space-3)}.source-tabs [aria-selected=true]{background:var(--brain-accent);color:var(--brain-text-on-accent)}.source-body{flex:1 1;min-height:0;min-width:0;overflow-y:auto;padding:0 var(--brain-space-4) var(--brain-space-5)}.source-passage{margin-bottom:var(--brain-space-4);padding:var(--brain-space-3) var(--brain-space-4);border-radius:var(--brain-radius-md);background:var(--brain-surface-sunken)}.source-passage h3{margin-bottom:var(--brain-space-2);font-size:var(--brain-text-xs);font-weight:var(--brain-weight-medium);letter-spacing:var(--brain-tracking-wide);text-transform:uppercase;color:var(--brain-text-muted)}.source-content,.source-passage blockquote{font-size:var(--brain-text-base);line-height:var(--brain-leading-normal)}mark.source-hit{display:block;margin:var(--brain-space-3) calc(-1 * var(--brain-space-2));padding:var(--brain-space-2) var(--brain-space-3);border-radius:var(--brain-radius-sm)}.source-content p,.source-passage p{margin:var(--brain-space-3) 0}.source-content>:first-child p:first-child,.source-passage p:first-child{margin-top:0}.source-content>:last-child p:last-child,.source-passage p:last-child{margin-bottom:0}.source-content h1,.source-content h2,.source-content h3,.source-content h4{margin:var(--brain-space-5) 0 var(--brain-space-2);font-size:var(--brain-text-md);font-weight:var(--brain-weight-semibold)}.source-content ol,.source-content ul,.source-passage ol,.source-passage ul{margin:var(--brain-space-3) 0 var(--brain-space-3) var(--brain-space-5)}.source-content li,.source-passage li{margin:var(--brain-space-1) 0}.source-content table,.source-passage table{width:100%;margin:var(--brain-space-3) 0;border-collapse:collapse;font-size:var(--brain-text-sm)}.source-content td,.source-content th,.source-passage td,.source-passage th{padding:var(--brain-space-2) var(--brain-space-3);text-align:left;border-top:1px solid var(--brain-divider);vertical-align:top}.source-content th,.source-passage th{border-top:0;font-size:var(--brain-text-xs);text-transform:uppercase;letter-spacing:var(--brain-tracking-wide);color:var(--brain-text-muted)}.source-content code,.source-passage code{padding:1px 5px;border-radius:var(--brain-radius-xs);background:var(--brain-surface-sunken);font-family:var(--brain-font-mono);font-size:.9em}.source-content pre{margin:var(--brain-space-3) 0;padding:var(--brain-space-3);border-radius:var(--brain-radius-sm);background:var(--brain-surface-sunken);overflow-x:auto}mark.source-hit td,mark.source-hit th{border-top-color:oklch(.215 .01 250/.16)}.source-footer{padding:var(--brain-space-3) var(--brain-space-4) var(--brain-space-4);font-size:var(--brain-text-xs);color:var(--brain-text-muted)}.system-read+.system-read{margin-top:var(--brain-space-5);padding-top:var(--brain-space-4);border-top:1px solid var(--brain-divider)}.system-read-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:var(--brain-space-2);margin-bottom:var(--brain-space-2)}.system-read-head code{padding:1px 5px;border-radius:var(--brain-radius-xs);background:var(--brain-surface-sunken);font-family:var(--brain-font-mono);font-size:var(--brain-text-xs);overflow-wrap:anywhere}.system-read-count{font-size:var(--brain-text-xs);color:var(--brain-text-muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.system-table{margin-top:var(--brain-space-3);overflow-x:auto}.system-table table{border-collapse:collapse;font-size:var(--brain-text-xs);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap}.system-table td,.system-table th{padding:var(--brain-space-2) var(--brain-space-3);text-align:left;border-top:1px solid var(--brain-divider)}.system-table th{position:-webkit-sticky;position:sticky;top:0;border-top:0;background:var(--brain-surface-raised);font-size:var(--brain-text-xs);font-weight:var(--brain-weight-medium);letter-spacing:var(--brain-tracking-wide);text-transform:uppercase;color:var(--brain-text-muted)}.login{display:grid;place-items:center;min-height:100dvh;padding:var(--brain-space-5)}.login .brain-account-step,.login form{width:min(360px,100%);display:grid;grid-gap:var(--brain-space-3);gap:var(--brain-space-3);padding:var(--brain-space-6);border-radius:var(--brain-radius-lg);background:var(--brain-surface-raised);box-shadow:var(--brain-shadow-md)}.login h1{font-size:var(--brain-text-xl);font-weight:var(--brain-weight-semibold);letter-spacing:var(--brain-tracking-tight)}.login .lede{margin-bottom:var(--brain-space-2);color:var(--brain-text-muted)}.error,.login .lede{font-size:var(--brain-text-base)}.error{color:var(--brain-danger)}.inline-document{width:100%;height:420px;border:0;border-radius:var(--brain-radius-sm);background:var(--brain-neutral-0)}.scrim{position:fixed;inset:0;z-index:10;background:oklch(.215 .01 250/.28);animation:brain-scrim-in var(--brain-duration-base) var(--brain-ease-enter)}.scrim--rail{display:none}@keyframes brain-scrim-in{0%{opacity:0}}@media (max-width:1099px){.shell,.shell.with-rail{grid-template-columns:var(--brain-sidebar-width) minmax(0,1fr)}.rail{position:fixed;inset-block:0;right:0;z-index:11;inline-size:min(440px,92vw);box-shadow:var(--brain-shadow-lg);animation:slide-in var(--brain-duration-base) var(--brain-ease-enter)}.scrim--rail{display:block}}@media (max-width:819px){.shell,.shell.with-rail{grid-template-columns:minmax(0,1fr)}.sidebar{position:fixed;inset-block:0;left:0;z-index:11;inline-size:min(300px,88vw);box-shadow:var(--brain-shadow-lg);transform:translateX(-105%);visibility:hidden;transition:transform var(--brain-duration-base) var(--brain-ease-enter),visibility 0s linear var(--brain-duration-base)}.sidebar[data-drawer=open]{transform:none;visibility:visible;transition:transform var(--brain-duration-base) var(--brain-ease-enter)}.drawer-toggle{position:fixed;top:var(--brain-space-2);left:var(--brain-space-2);z-index:9}.composer,.thread,.topbar,.welcome{padding-inline:var(--brain-space-4)}.topbar{padding-left:calc(var(--brain-space-4) + 40px)}.module-main{padding-top:48px}}@media (min-width:820px){.drawer-toggle{display:none}.shell[data-sidebar=collapsed]{grid-template-columns:var(--brain-sidebar-collapsed-width) minmax(0,1fr)}.shell.with-rail[data-sidebar=collapsed]{grid-template-columns:var(--brain-sidebar-collapsed-width) minmax(0,1fr) var(--brain-rail-width)}}@media (min-width:1600px){.shell.with-rail[data-sidebar=collapsed]{grid-template-columns:var(--brain-sidebar-collapsed-width) minmax(0,1fr) 460px}}@keyframes slide-in{0%{transform:translateX(16px);opacity:0}}@keyframes slide-in-left{0%{transform:translateX(-16px);opacity:0}}.deck{margin:var(--brain-space-4) 0 var(--brain-space-2);border-radius:var(--brain-radius-lg);background:var(--brain-surface-raised);box-shadow:var(--brain-shadow-sm);overflow:hidden;transition:box-shadow var(--brain-duration-base) var(--brain-ease-standard)}.deck:focus-within,.deck:hover{box-shadow:var(--brain-shadow-md)}.deck:focus-visible{outline:2px solid var(--brain-accent);outline-offset:2px}.deck--placeholder{min-block-size:220px;display:grid;place-items:center}.deck-stage{position:relative;aspect-ratio:16/9;min-block-size:240px;background:radial-gradient(120% 140% at 100% 0,var(--brain-surface-accent) 0,transparent 55%),var(--brain-surface-raised);overflow:hidden}.deck-slide{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:safe center;gap:var(--brain-space-3);padding:var(--brain-space-6) var(--brain-space-7);overflow-y:auto;overscroll-behavior:contain;animation:deck-in var(--brain-duration-slow) var(--brain-ease-enter) both}.deck-slide--back{animation-name:deck-in-back}.deck-kicker{font-size:var(--brain-text-xs);font-weight:var(--brain-weight-semibold);letter-spacing:.08em;text-transform:uppercase;color:var(--brain-accent)}.deck-title-slide h2{margin:var(--brain-space-2) 0 0;font-size:clamp(var(--brain-text-2xl),3.4vw,var(--brain-text-3xl));line-height:var(--brain-leading-tight);letter-spacing:var(--brain-tracking-tight);text-wrap:balance}.deck-subtitle{margin:var(--brain-space-3) 0 0;font-size:var(--brain-text-lg);color:var(--brain-text-muted);text-wrap:balance}.deck-content-slide{display:flex;flex-direction:column;gap:var(--brain-space-3);min-inline-size:0}.deck-content-slide h3{margin:0;font-size:clamp(var(--brain-text-xl),2.4vw,var(--brain-text-2xl));line-height:var(--brain-leading-tight);letter-spacing:var(--brain-tracking-tight);text-wrap:balance}.deck-body{margin:0;font-size:var(--brain-text-md);color:var(--brain-text-muted);max-inline-size:var(--brain-reading-width)}.deck-bullets{margin:0;list-style:disc;-webkit-padding-start:var(--brain-space-5);padding-inline-start:var(--brain-space-5);display:flex;flex-direction:column;gap:var(--brain-space-2);font-size:var(--brain-text-base);line-height:var(--brain-leading-snug)}.deck-bullets li::marker{color:var(--brain-accent)}.deck-bullets li{animation:deck-bullet-in var(--brain-duration-base) var(--brain-ease-enter) both}.deck-table{overflow-x:auto;min-inline-size:0;border-radius:var(--brain-radius-sm);background:var(--brain-surface);-webkit-mask-image:linear-gradient(90deg,black calc(100% - 24px),transparent);mask-image:linear-gradient(90deg,black calc(100% - 24px),transparent)}.deck-table:not(:hover){scrollbar-width:thin}.deck-table table{inline-size:100%;border-collapse:collapse;font-size:var(--brain-text-sm)}.deck-table td,.deck-table th{padding:var(--brain-space-2) var(--brain-space-3);text-align:left;border-bottom:1px solid var(--brain-divider);white-space:nowrap}.deck-table th{background:var(--brain-surface-sunken);font-weight:var(--brain-weight-semibold)}.deck-table tbody tr:last-child td{border-bottom:none}.report{display:grid;grid-gap:var(--brain-space-2);gap:var(--brain-space-2);margin-block:var(--brain-space-2);padding:var(--brain-space-3);border-radius:var(--brain-radius-md);background:var(--brain-surface-raised);box-shadow:var(--brain-shadow-sm);min-inline-size:0}.report--placeholder{min-block-size:120px}.report-head{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--brain-space-2)}.report-title{margin:0;font-size:var(--brain-text-md);font-weight:var(--brain-weight-semibold)}.report-meta{margin:0;color:var(--brain-text-muted);font-size:var(--brain-text-xs)}.report-search{inline-size:100%;padding:var(--brain-space-2) var(--brain-space-3);border:1px solid var(--brain-divider);border-radius:var(--brain-radius-sm);background:var(--brain-surface);color:var(--brain-text);font:inherit}.report-table{max-block-size:480px;overflow:auto}.report-table td{white-space:pre-wrap;min-inline-size:12ch;max-inline-size:48ch;vertical-align:top}.report-table th{position:-webkit-sticky;position:sticky;inset-block-start:0}.report-sort{padding:0;border:0;background:none;color:inherit;font:inherit;cursor:pointer;text-align:left}.report-more{justify-self:start}.report-section{display:grid;grid-gap:var(--brain-space-2);gap:var(--brain-space-2);min-inline-size:0}.deck-bar{flex-wrap:wrap;gap:var(--brain-space-3);padding:var(--brain-space-2) var(--brain-space-3);background:var(--brain-surface-sunken)}.deck-bar,.deck-nav{display:flex;align-items:center}.deck-nav{gap:var(--brain-space-1)}.deck-counter{min-inline-size:4ch;text-align:center;font-size:var(--brain-text-xs);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--brain-text-muted)}.deck-dots{display:flex;flex:1 1;overflow-x:auto;scrollbar-width:none;align-items:center}.deck-dots::-webkit-scrollbar{display:none}.deck-dot{inline-size:24px;block-size:24px;display:grid;place-items:center;padding:0;border:none;background:none;cursor:pointer}.deck-dot:before{content:"";inline-size:7px;block-size:7px;border-radius:var(--brain-radius-full);background:var(--brain-surface-active);transition:background-color var(--brain-duration-fast) var(--brain-ease-standard),transform var(--brain-duration-fast) var(--brain-ease-standard)}.deck-dot:hover:before{background:var(--brain-text-faint)}.deck-dot[aria-selected=true]:before{background:var(--brain-accent);transform:scale(1.5)}.deck-downloads{display:flex;align-items:center;gap:var(--brain-space-1);-webkit-margin-start:auto;margin-inline-start:auto;flex:0 0 auto}.deck-download{display:grid;grid-template-columns:auto 0fr;align-items:center;block-size:28px;padding-inline:6px;border-radius:var(--brain-radius-full);color:var(--brain-text-muted);text-decoration:none;background:transparent;transition:grid-template-columns var(--brain-duration-base) var(--brain-ease-enter),background-color var(--brain-duration-fast) var(--brain-ease-standard),color var(--brain-duration-fast) var(--brain-ease-standard)}.deck-download:focus-visible,.deck-download:hover{grid-template-columns:auto 1fr;background:var(--brain-surface-accent);color:var(--brain-accent)}.deck-download-label{min-inline-size:0;overflow:hidden;white-space:nowrap;font-size:var(--brain-text-xs);font-weight:var(--brain-weight-medium);opacity:0;transform:translateX(-4px);transition:opacity var(--brain-duration-base) var(--brain-ease-standard),transform var(--brain-duration-base) var(--brain-ease-enter),-webkit-padding-start var(--brain-duration-base) var(--brain-ease-enter);transition:opacity var(--brain-duration-base) 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