.assistant-module__yt_3xW__shell{--ink:#0d2443;--muted:#64748a;--line:#dce4e7;--green:#218858;--green-dark:#126c43;--paper:#fff;--soft:#f4f8f6;width:100%;height:100dvh;min-height:680px;color:var(--ink);background:var(--paper);grid-template-columns:286px minmax(0,1fr);font-family:Arial,Helvetica,sans-serif;display:grid;overflow:hidden}.assistant-module__yt_3xW__rail{border-right:1px solid var(--line);background:#fff;flex-direction:column;padding:22px 24px 0;display:flex}.assistant-module__yt_3xW__railTop{display:block}.assistant-module__yt_3xW__drawerClose,.assistant-module__yt_3xW__drawerBackdrop{display:none}.assistant-module__yt_3xW__brand{border-bottom:1px solid var(--line);color:var(--ink);grid-template-columns:54px minmax(0,1fr);align-items:center;gap:11px;padding-bottom:22px;text-decoration:none;display:grid}.assistant-module__yt_3xW__brand img{object-fit:contain;width:54px;height:68px}.assistant-module__yt_3xW__brand span{gap:7px;display:grid}.assistant-module__yt_3xW__brand strong{font-family:Georgia,Times New Roman,serif;font-size:19px;font-weight:400;line-height:.88}.assistant-module__yt_3xW__brand small{color:var(--muted);font-size:10.5px;font-weight:700}.assistant-module__yt_3xW__newChat{min-height:46px;color:var(--green-dark);font:inherit;cursor:pointer;background:0 0;border:1px solid #95bea9;border-radius:7px;justify-content:center;align-items:center;gap:9px;margin:22px 0 21px;font-size:13px;font-weight:800;display:flex}.assistant-module__yt_3xW__newChat svg{width:18px;height:18px}.assistant-module__yt_3xW__newChat:hover,.assistant-module__yt_3xW__newChat:focus-visible{color:#fff;background:var(--green)}.assistant-module__yt_3xW__chatHistory{border-top:1px solid var(--line);flex:auto;min-height:0;overflow-y:auto}.assistant-module__yt_3xW__chatHistory>p{color:var(--muted);letter-spacing:.09em;text-transform:uppercase;margin:16px 10px 8px;font-size:10px;font-weight:900}.assistant-module__yt_3xW__chatHistory nav{display:grid}.assistant-module__yt_3xW__chatHistoryItem{border-bottom:1px solid var(--line);color:#4a5b70;background:0 0;grid-template-columns:minmax(0,1fr) 38px;align-items:center;min-height:55px;display:grid;position:relative}.assistant-module__yt_3xW__chatSelect{width:100%;min-height:55px;color:inherit;font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;gap:5px;padding:11px 4px 11px 10px;display:grid}.assistant-module__yt_3xW__chatSelect strong{text-overflow:ellipsis;white-space:nowrap;font-size:12px;line-height:1.3;overflow:hidden}.assistant-module__yt_3xW__chatSelect span{color:var(--muted);font-size:9.5px}.assistant-module__yt_3xW__chatDelete{color:#718096;cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;width:32px;height:32px;padding:0;display:grid}.assistant-module__yt_3xW__chatDelete svg{width:17px;height:17px}.assistant-module__yt_3xW__chatHistoryItem:hover,.assistant-module__yt_3xW__chatHistoryItem:focus-within,.assistant-module__yt_3xW__chatHistory .assistant-module__yt_3xW__activeChat{color:var(--ink);background:#f2f5f6}.assistant-module__yt_3xW__chatSelect:focus-visible,.assistant-module__yt_3xW__chatDelete:focus-visible{outline-offset:-2px;outline:2px solid #66a985}.assistant-module__yt_3xW__chatDelete:hover,.assistant-module__yt_3xW__chatDelete:focus-visible{color:#a93434;background:#f8eaea}.assistant-module__yt_3xW__chatHistory .assistant-module__yt_3xW__activeChat{box-shadow:inset 3px 0 var(--green)}.assistant-module__yt_3xW__modeNav{border-top:1px solid var(--line);align-content:start;display:grid}.assistant-module__yt_3xW__modeNav button{border:0;border-bottom:1px solid var(--line);color:#4a5b70;min-height:58px;font:inherit;text-align:left;cursor:pointer;background:0 0;grid-template-columns:24px minmax(0,1fr);align-items:center;gap:12px;padding:8px 10px;font-size:13px;font-weight:750;display:grid}.assistant-module__yt_3xW__modeNav svg{width:23px;height:23px}.assistant-module__yt_3xW__modeNav button:hover,.assistant-module__yt_3xW__modeNav button:focus-visible,.assistant-module__yt_3xW__modeNav .assistant-module__yt_3xW__activeMode{color:var(--green-dark);background:#eaf6ef}.assistant-module__yt_3xW__modeNav .assistant-module__yt_3xW__activeMode{box-shadow:inset 3px 0 var(--green)}.assistant-module__yt_3xW__railNotice{color:var(--muted);flex:none;align-items:flex-start;gap:9px;margin:18px 0;font-size:10.5px;line-height:1.45;display:flex}.assistant-module__yt_3xW__railNotice svg{width:19px;height:19px;color:var(--green);flex:none}.assistant-module__yt_3xW__portalFooter{border-top:1px solid var(--line);min-height:62px;color:var(--ink);background:#fff;flex:none;justify-content:space-between;align-items:center;margin:0 -24px;padding:10px 24px;text-decoration:none;display:flex}.assistant-module__yt_3xW__portalFooterMain{align-items:center;gap:10px;display:flex}.assistant-module__yt_3xW__portalFooterMain i{width:32px;height:32px;color:var(--ink);background:#f8fafb;border:1px solid #cdd6dc;border-radius:50%;place-items:center;font-style:normal;display:grid}.assistant-module__yt_3xW__portalFooterMain svg{stroke-width:1.8px;width:18px;height:18px}.assistant-module__yt_3xW__portalFooterMain strong{font-size:12px;font-weight:800}.assistant-module__yt_3xW__portalFooter small{color:var(--muted);font-size:9.5px}.assistant-module__yt_3xW__portalFooter:hover,.assistant-module__yt_3xW__portalFooter:focus-visible{background:#f3f6f7}.assistant-module__yt_3xW__workspace{background:var(--paper);grid-template-rows:72px minmax(0,1fr) auto;min-width:0;min-height:0;display:grid}.assistant-module__yt_3xW__header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:24px;padding:0 34px;display:flex}.assistant-module__yt_3xW__headerTitle{font-family:Georgia,Times New Roman,serif;font-size:23px;font-weight:400}.assistant-module__yt_3xW__headerSpacer{width:38px;height:38px;display:block}.assistant-module__yt_3xW__mobileHistory{display:none}.assistant-module__yt_3xW__chat{scrollbar-gutter:stable;min-height:0;overflow-y:auto}.assistant-module__yt_3xW__welcome{width:min(900px,100% - 80px);margin:0 auto;padding:clamp(48px,8vh,86px) 0 48px}.assistant-module__yt_3xW__eyebrow{color:var(--green);letter-spacing:.1em;text-transform:uppercase;margin:0 0 17px;font-size:12px;font-weight:900}.assistant-module__yt_3xW__welcome h1{letter-spacing:-.045em;max-width:850px;margin:0;font-family:Georgia,Times New Roman,serif;font-size:clamp(58px,6vw,90px);font-weight:400;line-height:.98}.assistant-module__yt_3xW__intro{color:#30445e;max-width:780px;margin:24px 0 30px;font-size:17px;line-height:1.58}.assistant-module__yt_3xW__quickPrompts{border-top:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.assistant-module__yt_3xW__quickPrompts button{border:0;border-bottom:1px solid var(--line);min-height:66px;color:var(--ink);font:inherit;text-align:left;cursor:pointer;background:0 0;padding:12px 18px 12px 0;font-size:14px;font-weight:750;line-height:1.4}.assistant-module__yt_3xW__quickPrompts button:nth-child(odd){border-right:1px solid var(--line);padding-right:28px}.assistant-module__yt_3xW__quickPrompts button:nth-child(2n){padding-left:28px}.assistant-module__yt_3xW__quickPrompts button:hover,.assistant-module__yt_3xW__quickPrompts button:focus-visible{color:var(--green)}.assistant-module__yt_3xW__uploadCard{width:100%;min-height:86px;color:var(--ink);background:var(--soft);font:inherit;text-align:left;cursor:pointer;border:1px solid #b9d0c3;border-radius:8px;grid-template-columns:46px minmax(0,1fr) 24px;align-items:center;gap:16px;padding:14px 18px;display:grid}.assistant-module__yt_3xW__uploadCard>svg:first-child{width:39px;height:39px;color:var(--green)}.assistant-module__yt_3xW__uploadCard>svg:last-child{width:22px;height:22px;color:var(--green)}.assistant-module__yt_3xW__uploadCard span{gap:6px;display:grid}.assistant-module__yt_3xW__uploadCard strong{font-size:15px}.assistant-module__yt_3xW__uploadCard small{color:var(--muted);font-size:11.5px}.assistant-module__yt_3xW__safety{color:var(--muted);background:var(--soft);align-items:flex-start;gap:10px;margin-top:24px;padding:12px 14px;font-size:11.5px;line-height:1.45;display:flex}.assistant-module__yt_3xW__safety svg{width:20px;height:20px;color:var(--green);flex:none}.assistant-module__yt_3xW__conversation{width:min(900px,100% - 80px);margin:0 auto;padding:40px 0 55px}.assistant-module__yt_3xW__userMessage,.assistant-module__yt_3xW__assistantMessage{gap:13px;margin-bottom:28px;display:flex}.assistant-module__yt_3xW__userMessage{justify-content:flex-end}.assistant-module__yt_3xW__messageContent{max-width:min(720px,88%)}.assistant-module__yt_3xW__assistantMessage .assistant-module__yt_3xW__messageContent{max-width:100%}.assistant-module__yt_3xW__messageContent>p{white-space:pre-wrap;color:var(--ink);margin:0;font-size:15.5px;line-height:1.65}.assistant-module__yt_3xW__answerText{color:var(--ink);font-size:15.5px;line-height:1.65;display:grid}.assistant-module__yt_3xW__answerText p{margin:0}.assistant-module__yt_3xW__answerText strong{font-weight:850}.assistant-module__yt_3xW__answerGap{height:9px;display:block}.assistant-module__yt_3xW__answerNumber,.assistant-module__yt_3xW__answerBullet{grid-template-columns:25px minmax(0,1fr);gap:3px;display:grid}.assistant-module__yt_3xW__answerNumber i,.assistant-module__yt_3xW__answerBullet i{color:var(--green);font-style:normal;font-weight:900}.assistant-module__yt_3xW__userMessage .assistant-module__yt_3xW__messageContent{color:#fff;background:var(--green);border-radius:13px 13px 3px;padding:13px 16px}.assistant-module__yt_3xW__userMessage .assistant-module__yt_3xW__messageContent>p{color:#fff}.assistant-module__yt_3xW__messageFile{color:#ffffffc7;align-items:center;gap:6px;margin-bottom:7px;font-size:10px;display:flex}.assistant-module__yt_3xW__messageFile svg{width:15px;height:15px}.assistant-module__yt_3xW__sources{border-top:1px solid var(--line);gap:22px;margin-top:22px;padding-top:18px;display:grid}.assistant-module__yt_3xW__sourceSection+.assistant-module__yt_3xW__sourceSection{border-top:1px solid var(--line);padding-top:20px}.assistant-module__yt_3xW__sourceHeading{gap:4px;margin-bottom:11px;display:grid}.assistant-module__yt_3xW__sourceHeading h3{color:var(--green-dark);letter-spacing:.075em;text-transform:uppercase;margin:0;font-size:11.5px;font-weight:900}.assistant-module__yt_3xW__sourceHeading p{color:var(--muted);margin:0;font-size:10.5px;line-height:1.4}.assistant-module__yt_3xW__sourceGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.assistant-module__yt_3xW__sourceGrid a{border:1px solid var(--line);min-height:55px;color:var(--ink);background:#fbfdfc;grid-template-columns:25px minmax(0,1fr);gap:8px;padding:9px;text-decoration:none;display:grid}.assistant-module__yt_3xW__sourceGrid a>span{width:25px;height:25px;color:var(--green-dark);background:#e4f3ea;border-radius:50%;place-items:center;font-size:10px;font-weight:900;display:grid}.assistant-module__yt_3xW__sourceGrid a div{gap:3px;display:grid}.assistant-module__yt_3xW__sourceGrid small{color:var(--muted);font-size:9.5px}.assistant-module__yt_3xW__sourceGrid strong{font-size:11.5px;line-height:1.3}.assistant-module__yt_3xW__sourceGrid a:hover,.assistant-module__yt_3xW__sourceGrid a:focus-visible{color:var(--green-dark);border-color:#78b693}.assistant-module__yt_3xW__thinking{color:var(--muted);align-items:center;gap:5px;font-size:12px;display:flex}.assistant-module__yt_3xW__thinking span{background:var(--green);border-radius:50%;width:7px;height:7px;animation:1.2s ease-in-out infinite assistant-module__yt_3xW__routeThinking}.assistant-module__yt_3xW__thinking span:nth-child(2){animation-delay:.15s}.assistant-module__yt_3xW__thinking span:nth-child(3){animation-delay:.3s}.assistant-module__yt_3xW__thinking p{margin:0 0 0 7px}@keyframes assistant-module__yt_3xW__routeThinking{0%,70%,to{opacity:.28;transform:translateY(0)}35%{opacity:1;transform:translateY(-3px)}}.assistant-module__yt_3xW__composerWrap{border-top:1px solid var(--line);background:var(--paper);gap:8px;padding:16px 34px 18px;display:grid;position:relative}.assistant-module__yt_3xW__composer{background:var(--paper);border:1px solid #bdcbd0;border-radius:10px;grid-template-columns:42px minmax(0,1fr) 46px;align-items:end;gap:9px;width:min(940px,100%);margin:0 auto;padding:7px;display:grid}.assistant-module__yt_3xW__composer textarea{resize:none;min-height:40px;max-height:124px;color:var(--ink);font:inherit;background:0 0;border:0;outline:0;padding:10px 5px;font-size:14.5px;line-height:1.4}.assistant-module__yt_3xW__attach,.assistant-module__yt_3xW__send{cursor:pointer;border:0;border-radius:8px;place-items:center;width:42px;min-height:42px;padding:0;display:grid}.assistant-module__yt_3xW__attach{color:#607187;background:0 0}.assistant-module__yt_3xW__send{color:#fff;background:var(--green);width:46px}.assistant-module__yt_3xW__attach svg,.assistant-module__yt_3xW__send svg{width:22px;height:22px}.assistant-module__yt_3xW__attach:hover,.assistant-module__yt_3xW__attach:focus-visible{color:var(--green);background:var(--soft)}.assistant-module__yt_3xW__send:hover,.assistant-module__yt_3xW__send:focus-visible{background:var(--green-dark)}.assistant-module__yt_3xW__send:disabled{opacity:.35;cursor:not-allowed}.assistant-module__yt_3xW__composerMeta{width:min(940px,100%);color:var(--muted);justify-content:flex-end;margin:0 auto;font-size:10px;display:flex}.assistant-module__yt_3xW__fileChip,.assistant-module__yt_3xW__error{width:min(940px,100%);margin:0 auto}.assistant-module__yt_3xW__fileChip{color:var(--green-dark);align-items:center;gap:7px;font-size:11px;font-weight:750;display:flex}.assistant-module__yt_3xW__fileChip svg{width:16px;height:16px}.assistant-module__yt_3xW__fileChip button{color:var(--muted);cursor:pointer;background:0 0;border:0;font-size:17px}.assistant-module__yt_3xW__error{color:#a93434;font-size:11px}.assistant-module__yt_3xW__hiddenInput{display:none}html[data-theme=dark] .assistant-module__yt_3xW__shell{--ink:#eef3f7;--muted:#a7b4c5;--line:#33404a;--green:#70d49f;--green-dark:#8be3b1;--paper:#0f151b;--soft:#151e24}html[data-theme=dark] .assistant-module__yt_3xW__rail{background:#0c1217}html[data-theme=dark] .assistant-module__yt_3xW__portalFooter{background:#0c1217}html[data-theme=dark] .assistant-module__yt_3xW__portalFooterMain i{color:#eef3f7;background:#121a20;border-color:#53616c}:is(html[data-theme=dark] .assistant-module__yt_3xW__portalFooter:hover,html[data-theme=dark] .assistant-module__yt_3xW__portalFooter:focus-visible){background:#141b21}html[data-theme=dark] .assistant-module__yt_3xW__chatHistoryItem{color:#b4c0cf}:is(html[data-theme=dark] .assistant-module__yt_3xW__chatHistoryItem:hover,html[data-theme=dark] .assistant-module__yt_3xW__chatHistoryItem:focus-within,html[data-theme=dark] .assistant-module__yt_3xW__chatHistory .assistant-module__yt_3xW__activeChat){color:#eef3f7;background:#161d23}html[data-theme=dark] .assistant-module__yt_3xW__chatDelete{color:#9aabba}:is(html[data-theme=dark] .assistant-module__yt_3xW__chatDelete:hover,html[data-theme=dark] .assistant-module__yt_3xW__chatDelete:focus-visible){color:#ffaaa4;background:#321c1c}html[data-theme=dark] .assistant-module__yt_3xW__modeNav button{color:#b4c0cf}html[data-theme=dark] .assistant-module__yt_3xW__modeNav button:hover{color:#a1e7bf;background:#162820}html[data-theme=dark] .assistant-module__yt_3xW__modeNav button:focus-visible{color:#a1e7bf;background:#162820}html[data-theme=dark] .assistant-module__yt_3xW__modeNav .assistant-module__yt_3xW__activeMode{color:#a1e7bf;background:#162820}html[data-theme=dark] .assistant-module__yt_3xW__intro{color:#c0cad7}html[data-theme=dark] .assistant-module__yt_3xW__uploadCard{border-color:#466958}html[data-theme=dark] .assistant-module__yt_3xW__sourceGrid a{background:#11191f}html[data-theme=dark] .assistant-module__yt_3xW__sourceGrid a>span{background:#183326}html[data-theme=dark] .assistant-module__yt_3xW__composer{border-color:#52606a}html[data-theme=dark] .assistant-module__yt_3xW__error{color:#ffaaa4}@media (max-width:820px){.assistant-module__yt_3xW__shell{grid-template-columns:1fr;min-height:100dvh}.assistant-module__yt_3xW__rail{z-index:40;width:min(84vw,320px);padding:max(18px, env(safe-area-inset-top)) 18px 0;transition:transform .24s;display:flex;position:fixed;inset:0 auto 0 0;transform:translate(-104%);box-shadow:18px 0 48px #0d244333}.assistant-module__yt_3xW__railOpen{transform:translate(0)}.assistant-module__yt_3xW__drawerBackdrop{z-index:35;opacity:0;pointer-events:none;background:#07121f6b;border:0;transition:opacity .24s;display:block;position:fixed;inset:0}.assistant-module__yt_3xW__drawerBackdropVisible{opacity:1;pointer-events:auto}.assistant-module__yt_3xW__railTop{grid-template-columns:minmax(0,1fr) 38px;align-items:start;gap:10px;display:grid}.assistant-module__yt_3xW__portalFooter{min-height:calc(62px + env(safe-area-inset-bottom));padding:10px 18px max(10px, env(safe-area-inset-bottom));margin:0 -18px}.assistant-module__yt_3xW__railTop .assistant-module__yt_3xW__brand{min-width:0}.assistant-module__yt_3xW__drawerClose{border:1px solid var(--line);width:38px;height:38px;color:var(--ink);background:var(--paper);cursor:pointer;border-radius:50%;place-items:center;padding:0;display:grid}.assistant-module__yt_3xW__drawerClose svg{width:20px;height:20px;transform:rotate(180deg)}.assistant-module__yt_3xW__workspace{grid-template-rows:66px minmax(0,1fr) auto}.assistant-module__yt_3xW__header{padding:0 14px}.assistant-module__yt_3xW__mobileHistory{border:1px solid var(--line);width:38px;height:38px;color:var(--ink);background:var(--paper);cursor:pointer;border-radius:50%;place-items:center;padding:0;display:grid}.assistant-module__yt_3xW__mobileHistory svg{width:20px;height:20px}.assistant-module__yt_3xW__headerTitle{font-size:20px;line-height:1}.assistant-module__yt_3xW__welcome{width:calc(100% - 32px);padding:32px 0 28px}.assistant-module__yt_3xW__eyebrow{margin-bottom:12px;font-size:9.5px;line-height:1.4}.assistant-module__yt_3xW__welcome h1{font-size:clamp(42px,13vw,58px);line-height:.98}.assistant-module__yt_3xW__intro{margin:18px 0 22px;font-size:14px;line-height:1.5}.assistant-module__yt_3xW__quickPrompts{grid-template-columns:1fr}.assistant-module__yt_3xW__quickPrompts button{min-height:55px;font-size:12.5px;border-right:0!important;padding:10px 0!important}.assistant-module__yt_3xW__uploadCard{grid-template-columns:36px minmax(0,1fr) 19px;gap:11px;min-height:76px;padding:12px}.assistant-module__yt_3xW__uploadCard>svg:first-child{width:31px;height:31px}.assistant-module__yt_3xW__uploadCard strong{font-size:13px}.assistant-module__yt_3xW__uploadCard small{font-size:9.5px;line-height:1.35}.assistant-module__yt_3xW__safety{font-size:10px}.assistant-module__yt_3xW__conversation{width:calc(100% - 28px);padding:26px 0 35px}.assistant-module__yt_3xW__userMessage,.assistant-module__yt_3xW__assistantMessage{gap:8px;margin-bottom:24px}.assistant-module__yt_3xW__messageContent{max-width:calc(100% - 38px)}.assistant-module__yt_3xW__assistantMessage .assistant-module__yt_3xW__messageContent{max-width:100%}.assistant-module__yt_3xW__messageContent>p,.assistant-module__yt_3xW__answerText{font-size:14px;line-height:1.58}.assistant-module__yt_3xW__sourceGrid{grid-template-columns:1fr}.assistant-module__yt_3xW__composerWrap{padding:10px 10px max(10px, env(safe-area-inset-bottom));gap:7px}.assistant-module__yt_3xW__composer{grid-template-columns:38px minmax(0,1fr) 42px;gap:4px;padding:5px}.assistant-module__yt_3xW__composer textarea{min-height:38px;padding:9px 3px;font-size:16px}.assistant-module__yt_3xW__attach{width:38px;min-height:38px}.assistant-module__yt_3xW__send{width:42px;min-height:42px}.assistant-module__yt_3xW__composerMeta{gap:4px;font-size:8.8px;line-height:1.3;display:grid}.assistant-module__yt_3xW__fileChip{font-size:10px}}@media (prefers-reduced-motion:reduce){.assistant-module__yt_3xW__thinking span{animation:none}.assistant-module__yt_3xW__rail,.assistant-module__yt_3xW__drawerBackdrop{transition:none}}