/* App shell: five stable destinations, task-specific tabs and progressive disclosure. */
.app{grid-template-columns:216px minmax(0,1fr)}
.primary-nav{min-height:0;padding:32px 12px 18px;gap:7px;overflow-y:auto}
.primary-nav .logo{padding:0 12px 35px;font-size:24px}
.primary-nav .logo small{font-size:13px;line-height:1.6;max-width:18ch}
.primary-nav>button{min-height:50px;gap:13px;font-size:15px;border-radius:6px}
.primary-nav>button[aria-current=page]{box-shadow:none;background:#e5ede2;color:#234c35}
.primary-nav .chan{padding:18px 12px 0}
.channel-status summary{font-size:13px;min-height:44px;display:flex;align-items:center;gap:8px}
.channel-status summary::before{content:'';width:6px;height:6px;background:#8b958c;border-radius:50%}
#dongKenh{margin-top:4px!important}
.workspace{display:flex;flex-direction:column;min-width:0;min-height:0;height:100%;background:#fff}
.workspace-bar{display:flex;align-items:center;gap:14px;min-height:76px;padding:14px 30px;border-bottom:1px solid var(--vien);position:relative;z-index:5;background:#fff;flex-shrink:0}
.workspace-location{display:flex;flex-direction:column;gap:2px;margin-right:auto;min-width:0}
.workspace-location strong{font-size:16px;font-weight:600}
.workspace-location>span{font-size:13px;color:var(--mo)}
.workspace-bar details{position:relative;flex-shrink:0}
.workspace-bar summary{list-style:none;display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;font-size:13px;padding:8px 12px;border:1px solid var(--vien);border-radius:6px}
.workspace-bar summary::-webkit-details-marker{display:none}
.workspace-bar summary:hover{background:var(--nen)}
.workspace-bar svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.status-dot{width:6px;height:6px;background:var(--vang);border-radius:50%;flex:none}
.send-control[data-enabled=true] .status-dot{background:var(--nhan)}
.send-settings,.account-settings{position:absolute;top:calc(100% + 10px);right:0;width:340px;max-width:calc(100vw - 32px);padding:20px;background:#fff;border:1px solid #bac7b7;border-radius:8px;z-index:6}
.send-settings label{display:flex;gap:10px;align-items:flex-start;font-size:15px;font-weight:500;line-height:1.6}
.send-settings input{margin-top:6px;flex:none}
.send-settings .mo{font-size:13px;margin:12px 0 0}
.account-settings{width:220px}
.account-settings p{margin:0 0 16px}
.account-controls summary{width:44px;padding:10px}
#toiLa{font-size:14px;margin-bottom:12px}
#workspace-main{flex:1;min-height:0;min-width:0;overflow:auto;scrollbar-gutter:stable}
#workspace-main>.trang{width:100%;max-width:1160px;margin:0 auto;padding:32px 34px 56px}
#workspace-main>.hop{height:100%;min-height:0;grid-template-columns:minmax(280px,320px) minmax(0,1fr)}
.workspace-tabs{display:flex;align-items:center;gap:24px;overflow-x:auto;flex-shrink:0;min-height:58px;padding:0 34px;border-bottom:1px solid var(--vien);background:#fff;scrollbar-width:thin}
.workspace-tabs[hidden]{display:none}
.workspace-tabs button{flex:none;min-height:58px;padding:12px 0;font-size:14px;border:0;border-bottom:2px solid transparent;background:none;white-space:nowrap;color:var(--mo)}
.workspace-tabs button:hover{color:var(--chu)}
.workspace-tabs button[aria-selected=true]{color:var(--nhan);font-weight:600;border-bottom-color:var(--nhan)}
.workspace-tabs button:focus-visible{outline-offset:-4px}
.workspace-notice{font-size:14px;line-height:1.65;margin:0;padding:12px 34px;background:var(--nhan-nhat);color:#284b34;flex-shrink:0;overflow-wrap:anywhere}
.workspace-notice.error{background:#fff0ed;color:var(--do)}
.workspace-notice:empty,.workspace-notice[hidden]{display:none}
h1{font-size:28px;line-height:1.4;font-weight:600;text-wrap:balance}
.page-heading{margin-bottom:26px;align-items:flex-start}
.page-heading .mo{font-size:15px;max-width:66ch;margin-top:8px;line-height:1.75}
.disclosure{border-bottom:1px solid var(--vien);padding:18px 0;margin:12px 0;min-width:0}
.disclosure>summary{font-size:15px;font-weight:500;min-height:44px;padding:9px 0;line-height:1.7}
.disclosure[open]>summary{margin-bottom:16px}
.disclosure.compact{margin:8px 0;padding:2px 0}
.disclosure.compact>summary{font-size:14px;color:var(--mo);font-weight:400}
.disclosure label{display:block;margin:14px 0 7px;font-size:14px}
.disclosure input:not([type=checkbox]),.disclosure textarea,.disclosure select{max-width:100%}
.teaching-workspace{max-width:800px;margin:0 auto}
.teaching-workspace>section>h2{display:none}
.teaching-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px;flex-wrap:wrap}
.teaching-workspace label{display:block;font-size:14px;margin:18px 0 8px}
.teaching-workspace label:has(input[type=checkbox]){font-size:13px;color:var(--mo);line-height:1.75}
.learning-status{font-size:14px;margin:0 0 24px;color:var(--mo);border-bottom:1px solid var(--vien);padding:0 0 18px}
.learning-chat{background:#f7f8f4;border-radius:6px;padding:22px;min-height:180px;max-height:360px;margin:20px 0}
.learning-chat:has(.teaching-turn){min-height:240px}
.teaching-turn strong{font-size:13px;font-weight:600}
.teaching-turn p{font-size:16px}
#teaching-input{min-height:110px}
.lesson-review{margin-top:30px}
.lesson-review[open]{border-top:1px solid var(--vien)}
.lesson-editor{max-width:760px}
.lesson-editor .hang{align-items:flex-end;gap:20px}
.lesson-editor .hang>label{flex:1;min-width:180px}
.lesson-editor>p.mo{font-size:14px}
.learned-row h3{font-size:17px;line-height:1.6}
.learned-row>p{max-width:75ch}
.business-actions{margin-bottom:24px}
.business-actions .hang{margin-top:0}
#business-editor>section{max-width:780px}
#business-editor label{display:block;margin:18px 0 7px;font-size:14px}
#business-editor textarea{min-height:90px}
.vault-source .settings-row{padding-top:10px;border-top:0}
.vault-source .settings-row>div:first-child{display:none}
.vault-source .settings-row{grid-template-columns:1fr}
#vault-connection-summary{margin-left:10px;font-size:13px;font-weight:400}
.manual-import>summary{padding:9px 0}
.import-body{padding:8px 0 18px;max-width:820px}
.channel-list{margin-top:24px}
.channel-connection{border-bottom:1px solid var(--vien);padding:20px 0}
.channel-connection>summary{list-style:none;cursor:pointer}
.channel-connection>summary::-webkit-details-marker{display:none}
.channel-connection .dau-kenh{margin:0;min-height:48px}
.channel-connection>summary .dau-kenh::after{content:'+';font-size:24px;font-weight:400;line-height:1;margin-left:8px;color:var(--mo)}
.channel-connection[open]>summary .dau-kenh::after{content:'−'}
.channel-connection .nhan-the{display:none}
.channel-fields{padding:24px 0 8px;max-width:850px}
.channel-fields .hang{margin-top:18px}
.channel-fields>.canh{margin-top:0}
#workspace-main>[data-man=ketnoi]>.luoi{display:block}
.context-note{margin:0 0 24px;padding:12px 16px;font-size:14px;line-height:1.8;background:#f7f8f4;color:var(--mo);border-radius:5px;max-width:78ch}
.pilot-layout{grid-template-columns:minmax(0,1fr);gap:20px}
.pilot-state{padding:0;border:0}
.pilot-state .disclosure{margin-top:0}
.pilot-chat{height:340px}
.pilot-controls{gap:12px;margin:14px 0}
#pilot-sessions{min-width:180px}
#pilot-activity{max-height:220px;white-space:pre-wrap;overflow:auto}
.test-alternative{padding:20px 0 8px}
.empty-inbox-icon{width:44px;height:44px;fill:none;stroke:#879b83;stroke-width:1.5;stroke-linejoin:round;margin:0 auto 12px}
.ds .dau{padding:22px 18px 16px}
.ds .loc{gap:8px}
.ds .dau h1{margin-bottom:16px}
#thongbao{z-index:20;max-width:min(600px,calc(100vw - 28px));width:max-content;text-align:center}
body.la-nv .send-control{display:none}
@media(min-width:761px) and (max-width:1050px){
 .app{grid-template-columns:186px minmax(0,1fr)}
 .primary-nav{padding-inline:10px}.primary-nav .logo{font-size:22px}
 .workspace-bar{padding-inline:22px}.workspace-location>span{display:none}
 #workspace-main>.trang{padding:28px 24px 48px}
 #workspace-main>.hop{grid-template-columns:280px minmax(0,1fr)}
 .workspace-tabs{padding-inline:24px;gap:22px}
}
@media(max-width:760px){
 .app{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) auto;height:100dvh}
 .workspace{grid-row:1;min-height:0}
 .primary-nav{grid-row:2;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;padding:6px 4px max(6px,env(safe-area-inset-bottom));overflow:visible;background:#f5f7f2}
 .primary-nav>button{min-width:0;width:100%;min-height:58px;font-size:11px;gap:5px;padding:6px 2px;line-height:1.5;align-items:center;justify-content:center;border-radius:5px}
 .primary-nav .logo,.primary-nav .chan{display:none!important}
 .primary-nav .nav-icon,.primary-nav .nav-icon svg{width:20px;height:20px}
 .primary-nav .dem{font-size:10px;top:2px;right:5px;padding:1px 5px}
 .workspace-bar{min-height:64px;gap:8px;padding:10px 14px}
 .workspace-location strong{font-size:15px}.workspace-location>span{display:none}
 .workspace-bar summary{font-size:12px;padding:8px;gap:6px}
 .send-control summary{max-width:178px;line-height:1.45}.send-control summary>svg{width:14px;height:14px}
 .account-controls summary{width:40px}
 .send-settings{right:-48px;width:320px;padding:18px}
 .workspace-tabs{min-height:52px;padding:0 20px;gap:24px}
 .workspace-tabs button{min-height:52px;font-size:14px}
 #workspace-main>.trang{padding:25px 20px 40px}
 #workspace-main>.hop{grid-template-columns:minmax(0,1fr);height:100%}
 .workspace-notice{padding:10px 20px;font-size:13px}
 h1{font-size:26px}
 .page-heading{gap:16px;margin-bottom:24px}
 .page-heading .mo{font-size:14px}
 .learning-chat{padding:18px;min-height:160px;max-height:320px}
 .teaching-toolbar{justify-content:flex-start;gap:10px}
 .teaching-toolbar .nut{font-size:13px;padding-inline:10px}
 .disclosure{padding:12px 0}
 .channel-fields{padding-top:20px}
 .channel-connection .logo-kenh{width:36px;height:36px;border-radius:7px;font-size:13px}
 .channel-connection .dau-kenh{gap:10px}
 .channel-connection .dau-kenh h2{font-size:16px}
 .channel-connection .chip{font-size:11px;padding:2px 6px}
 .channel-connection>summary .dau-kenh::after{font-size:20px;margin-left:0}
 .pilot-controls>select{max-width:100%!important;width:100%!important}
 .pilot-chat{height:300px}
 .lesson-editor .hang{gap:12px}
 .lesson-editor .hang>label{min-width:0;width:100%;flex-basis:100%}
 #thongbao{bottom:84px;font-size:14px}
 body.la-nv .primary-nav{grid-template-columns:1fr}
 body.la-nv .primary-nav>button{flex-direction:row;gap:10px;min-height:48px}
}
@media(prefers-reduced-motion:reduce){#workspace-main{scroll-behavior:auto}}
/* Final adjustments from the desktop/mobile review. */
#workspace-main summary{min-height:44px;line-height:1.65;padding-block:9px}
#workspace-main .channel-connection>summary{padding-block:0}
#page-hoc .learning-chat{max-height:220px;min-height:160px;padding:16px;margin:16px 0}
#page-hoc .teaching-turn{padding:8px 0}
#page-hoc .teaching-turn p{margin:10px 0 18px}
#page-hoc .teaching-workspace>section>label{margin-top:14px}
#page-hoc .learning-status{border:0;margin:0;padding:0}
#page-hoc #teaching-input{min-height:96px}
#workspace-account-name{font-size:14px;margin-bottom:18px}
.inbox-filter{position:relative;flex:1;min-width:100px}
.inbox-filter>summary{display:flex;justify-content:center;align-items:center;border:1px solid var(--vien);border-radius:5px;min-height:44px;font-size:13px;list-style:none;padding:8px}
.inbox-filter[open]>summary{background:var(--nhan-nhat);color:var(--nhan)}
.inbox-filter-fields{display:flex;gap:8px;flex-wrap:wrap;padding-top:12px;width:100%}
.source-toolbar{display:flex;gap:18px;align-items:flex-end;margin:24px 0 12px;flex-wrap:wrap}
.source-toolbar label{display:block;font-size:14px;flex:1;min-width:180px}
.source-toolbar input,.source-toolbar select{display:block;margin-top:8px}
#pilot-source-count{margin:14px 0}
#pilot-sources summary{overflow-wrap:anywhere;padding-inline:0;font-size:15px;line-height:1.8}
#pilot-sources .pilot-source{padding:16px 0}
@media(max-width:760px){
 #page-hoc .learning-chat{max-height:180px;margin:14px 0}
 .source-toolbar{gap:12px}
 .source-toolbar label{flex-basis:100%;min-width:0}
 .inbox-filter-fields button{flex:1;white-space:nowrap}
}