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0}.topic-related button{background:white;border:1px solid var(--line);border-radius:20px;padding:7px 12px;font-size:11px;color:var(--green)}.notebook-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:25px;align-items:start}.notes-list{background:white;border:1px solid var(--line);border-radius:10px;overflow:hidden}.notes-list button{display:block;width:100%;text-align:left;border:0;border-bottom:1px solid var(--line);background:white;padding:18px}.notes-list button.active{background:var(--wash);box-shadow:inset 3px 0 var(--green)}.notes-list strong{display:block;font-size:12px;margin-bottom:8px}.notes-list span{display:block;font-size:10px;line-height:1.6;color:var(--muted)}.notebook-page{background:#fffdf6;border:1px solid #e6e5d9;border-radius:12px;padding:33px;box-shadow:var(--shadow)}.notebook-page h1{font:400 35px/1.2 Georgia,serif;letter-spacing:-.7px;margin:12px 0 8px}.notebook-page .note-input{font-size:15px;border-color:#e0e2d2;background:#fffef9;min-height:200px;line-height:1.9;padding:18px}.editor-top{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:24px 0 9px;font-size:10px;color:var(--muted)}.note-toolbar{display:flex;gap:5px;border:1px solid #e0e2d2;border-bottom:0;border-radius:7px 7px 0 0;padding:7px;background:#f7f7ed}.note-toolbar button{font-size:11px;border:0;background:none;padding:4px 7px;color:#819175}.notebook-page .note-toolbar+.note-input{border-radius:0 0 7px 7px}.note-source{border:1px solid #e0e5d8;border-left:3px solid #879c77;background:#fbfcf4;border-radius:6px;padding:16px;display:flex;align-items:center;gap:15px}.note-source .icon{color:var(--green)}.note-source div{flex:1}.note-source strong{font-size:13px;display:block;margin-bottom:6px}.note-source .source-line{font-size:11px}.saved-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;margin-top:22px}.saved-card{border:1px solid var(--line);background:white;padding:20px;border-radius:10px}.saved-card h3{font-size:15px;margin-bottom:6px}.saved-card p{font-size:12px;color:var(--muted);margin:12px 0 18px}.saved-card .source-line{font-size:11px}.ask-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:25px;align-items:start}.ask-main{background:white;border:1px solid var(--line);border-radius:12px;padding:27px}.ask-context{display:flex;align-items:center;gap:10px;justify-content:space-between;margin-bottom:22px}.ask-context .select-control{font-size:11px}.question-bubble{background:#edf2e8;border:1px solid #e0e7d8;border-radius:12px 12px 3px 12px;padding:17px 19px;font-size:15px;color:#304c34;line-height:1.55;margin:12px 0 27px}.answer-head{display:flex;gap:10px;align-items:center;margin-bottom:16px}.answer-symbol{width:29px;height:29px;border:1px solid #cedcc6;background:#f1f6eb;border-radius:8px;display:grid;place-items:center;color:#76915c}.answer-head strong{font-size:12px}.answer-head span{font-size:10px;color:var(--muted)}.answer-body p{font-size:14px;line-height:1.95;color:#5d7162}.citation{font-size:10px;border:1px solid #b9cdb0;background:#ecf2e4;border-radius:4px;color:#42663c;padding:2px 6px;margin-left:5px;vertical-align:super;cursor:pointer}.citation.active{background:var(--green);color:white;border-color:var(--green)}.answer-actions{display:flex;gap:17px;margin:24px 0 5px}.answer-actions button{font-size:11px}.ask-composer{border-top:1px solid var(--line);margin-top:25px;padding-top:20px}.ask-input-wrap{display:flex;align-items:end;gap:10px;border:1px solid #c4d2bd;border-radius:9px;background:#fafcf6;padding:10px}.ask-input-wrap textarea{width:100%;border:0;background:none;resize:vertical;outline:0;min-height:54px;font-size:13px;line-height:1.6;color:var(--ink);padding:3px 5px}.ask-input-wrap .button{padding:9px}.prompt-options{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}.prompt-options button{font-size:10px;border:1px solid var(--line);background:#fcfdf9;border-radius:20px;padding:7px 10px;color:#64795c}.funding-line{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:10px;color:var(--muted);margin-top:10px}.funding-line button{font-size:10px}.warning-box{background:#fff7e6;border:1px solid #e8d5a9;border-radius:8px;padding:17px;color:#94743d;font-size:12px;line-height:1.65}.warning-box h3{font-size:15px;color:#795d29;margin-bottom:7px}.warning-box p{margin:0 0 13px}.club-head{display:flex;gap:13px;align-items:center;margin-bottom:11px}.club-head h1{margin:0}.avatar-stack{display:flex;margin-right:8px}.avatar-stack .avatar{border:2px solid var(--bg);margin-left:-6px;width:31px;height:31px}.club-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:26px;align-items:start}.club-panel{background:white;border:1px solid var(--line);border-radius:12px;padding:24px}.club-panel h2{font-family:Georgia,serif;font-size:29px;font-weight:400;margin:4px 0 9px}.agenda{margin:19px 0 24px}.agenda-item{border:1px solid var(--line);border-radius:8px;margin:8px 0;display:flex;align-items:center;padding:14px;gap:13px;background:#fafcf7}.agenda-item.active{border-color:#9ab095;background:#eef4e8}.agenda-number{font:400 25px Georgia,serif;color:#90a082}.agenda-select{flex:1;text-align:left;border:0;background:none;padding:0;min-width:0}.agenda-select strong{font-size:12px;display:block;margin:0 0 6px}.agenda-select span{font-size:10px;color:var(--muted)}.agenda-item .icon-button{width:26px;height:26px}.discussion-title{display:flex;align-items:center;justify-content:space-between;margin:22px 0 15px}.discussion-title h3{margin:0}.comment{display:flex;align-items:start;gap:11px;margin:17px 0}.comment-content{flex:1;background:#f8faf6;border:1px solid #edf0e8;border-radius:8px;padding:13px 14px}.comment-meta{display:flex;gap:10px;align-items:center;margin-bottom:7px;font-size:11px}.comment-meta button{padding:2px 5px;font-size:9px;color:#809778;border:1px solid #dce4d4;background:white;border-radius:4px}.comment p{font-size:12px;line-height:1.75;color:#6e7d70;margin:0}.reply-form{margin-top:20px;border-top:1px solid var(--line);padding-top:16px}.reply-form .field{resize:vertical;min-height:70px;font-size:12px;margin:10px 0}.club-source{background:white;border:1px solid var(--line);border-radius:12px;overflow:hidden}.club-source-content{padding:19px}.club-source-content h3{font:400 23px Georgia,serif;margin-bottom:7px}.club-private{padding:18px;border:1px solid #e4dfc7;background:var(--paper);border-radius:9px;margin-top:18px}.club-private strong{display:flex;align-items:center;gap:8px;font:400 22px Georgia,serif;color:#807552}.club-private p{font-size:12px;color:#8a8069;margin:14px 0}.comparison-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px}.compare-card{background:white;border:1px solid var(--line);border-radius:10px;overflow:hidden}.compare-card>header{padding:19px;display:flex;gap:12px;align-items:center}.compare-card h3{margin:0;font-size:16px}.compare-card .letter{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--wash);color:var(--green);font:18px Georgia,serif}.compare-card .compare-copy{padding:20px}.compare-card .compare-copy p{font-size:13px;color:var(--muted);line-height:1.8}.compare-card .video-frame .center-play span{width:42px;height:42px}.upgrade-card{max-width:750px;margin:50px auto;background:white;border:1px solid var(--line);border-radius:14px;padding:40px;text-align:center}.upgrade-card p{color:var(--muted);max-width:500px;margin:15px auto 25px}.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.plan-choice{border:1px solid var(--line);border-radius:9px;padding:18px;background:#fbfcf8;text-align:left}.plan-choice.active{border-color:#74916a;background:var(--wash)}.plan-choice h3{font:400 23px Georgia,serif;margin-bottom:8px}.plan-choice p{font-size:11px;line-height:1.65;color:var(--muted);margin-bottom:15px}.plan-choice .button{width:100%}.media-missing{height:100%;display:flex;align-items:center;justify-content:center;text-align:center;flex-direction:column;padding:22px;background:#21382b;color:#cfdecf;position:relative;z-index:3}.media-missing .icon{width:28px;height:28px;margin-bottom:10px}.media-missing strong{display:block;font-size:15px;margin-bottom:5px}.media-missing p{font-size:11px;line-height:1.6;margin:0 0 12px}.media-missing .button{font-size:10px}.toast{position:fixed;left:calc(50% + 85px);bottom:25px;transform:translate(-50%,25px);opacity:0;background:#193e2e;color:#f3f8ea;border:1px solid #41614b;border-radius:9px;box-shadow:0 8px 25px #18322122;padding:13px 20px;max-width:min(560px,calc(100vw - 40px));width:max-content;font-size:12px;line-height:1.5;z-index:60;pointer-events:none;transition:.2s}.toast.visible{opacity:1;transform:translate(-50%,0)}dialog{width:min(620px,calc(100vw - 32px));max-height:90vh;border:1px solid #becdb5;border-radius:13px;background:#fbfcf8;color:var(--text);padding:0;box-shadow:0 30px 100px #102b1844}dialog.wide{width:min(820px,calc(100vw - 32px))}dialog::backdrop{background:#11291dcc;backdrop-filter:blur(3px)}.dialog-header{display:flex;justify-content:space-between;align-items:center;padding:22px 26px;border-bottom:1px solid var(--line)}.dialog-header h2{font-size:22px;margin:0;font-family:Georgia,serif;font-weight:400}.dialog-body{padding:25px 26px;overflow:auto}.dialog-body p{font-size:13px;color:var(--muted);line-height:1.75}.dialog-body h3{margin-top:22px}.dialog-footer{padding:16px 26px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}.choice-row{display:flex;gap:12px;align-items:start;border:1px solid var(--line);border-radius:8px;padding:15px;background:white;margin:10px 0;cursor:pointer}.choice-row input{margin-top:3px;accent-color:var(--green)}.choice-row strong{font-size:13px;display:block;margin-bottom:5px}.choice-row span{font-size:11px;line-height:1.6;color:var(--muted);display:block}.state-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.check-label{display:flex;align-items:start;gap:9px;font-size:12px;color:var(--muted);line-height:1.6}.check-label input{accent-color:var(--green);margin-top:3px}.mapping-list{border:1px solid var(--line);border-radius:8px;overflow:hidden;margin:18px 0}.mapping-row{padding:13px 16px;background:white;border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:center;font-size:12px}.mapping-row:last-child{border:0}.mapping-row .icon{color:#86a578}.mapping-row span{margin-left:auto;font-size:10px;color:var(--muted)}.member-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.member-row div:nth-child(2){flex:1}.member-row strong{font-size:12px;display:block}.member-row span{font-size:10px;color:var(--muted)}.mobile-nav{display:none}.review-summary{border-top:1px solid var(--line);padding-top:16px;margin-top:20px;font-size:11px;color:var(--muted)}.review-summary summary{cursor:pointer;color:var(--green)}.review-summary p{font-size:11px;margin-top:12px}.storage-note{color:#91a08d;font-size:10px;line-height:1.5;margin:14px 0 0}.topic-list-fallback{display:none}
@media(min-width:1700px){.search-layout{grid-template-columns:minmax(420px,1fr) minmax(500px,1fr)}.theater-layout{grid-template-columns:minmax(0,1fr) 380px}}
@media(max-width:1250px){.app-shell{grid-template-columns:192px minmax(0,1fr)}.sidebar{padding-left:13px;padding-right:13px}.nav-item.active:before{left:-13px}.brand{font-size:15px;gap:7px;padding-left:2px}.workspace{padding:25px 23px}.topbar{padding:0 23px}.preview-strip{padding:8px 23px}.search-layout{gap:18px;grid-template-columns:minmax(290px,.95fr) minmax(310px,1fr)}.result-select{padding-left:15px}.result-heading{display:block}.result-heading .time-text{display:block;margin-top:6px}.topic-layout{grid-template-columns:130px minmax(0,1fr) 270px;gap:20px}.topic-article h1{font-size:40px}.theater-layout{grid-template-columns:minmax(0,1fr) 290px;gap:17px}.transport{padding:14px}.transport-row{gap:7px}.clock{font-size:10px}.ask-layout,.club-layout{grid-template-columns:minmax(0,1fr) 290px;gap:19px}.ask-main,.club-panel{padding:21px}.notebook-layout{grid-template-columns:230px minmax(0,1fr);gap:20px}.notebook-page{padding:27px}}
@media(max-width:1050px){.app-shell{grid-template-columns:175px minmax(0,1fr)}.brand{font-size:14px}.brand-mark{width:25px}.nav-item{font-size:12px;gap:9px;padding:11px 9px}.nav-label{font-size:9px}.workspace{padding:25px 20px}.search-layout{grid-template-columns:minmax(0,1fr)}.source-preview{position:static}.result-list{max-height:440px;overflow:auto}.source-preview .video-frame{max-height:380px}.search-layout .source-preview{scroll-margin-top:20px}.topic-layout{grid-template-columns:125px minmax(0,1fr)}.topic-sources{grid-column:2;position:static}.theater-layout{grid-template-columns:1fr}.watch-rail{max-height:none}.rail-content{max-height:370px}.theater-stage .video-frame{max-height:460px}.ask-layout,.club-layout{grid-template-columns:1fr}.ask-side,.club-side{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}.club-private{margin-top:0}.ask-side .source-preview{grid-column:1/-1}.ask-side .video-frame{max-height:300px}.notebook-layout{grid-template-columns:1fr}.notes-list{display:flex;overflow:auto}.notes-list button{min-width:210px;border-bottom:0;border-right:1px solid var(--line)}.notes-list button.active{box-shadow:inset 0 3px var(--green)}.top-actions{gap:8px}.preview-strip span:last-child{display:none}}
@media(max-width:760px){.app-shell{display:block}.sidebar{display:none}.topbar{height:58px;padding:0 18px}.topbar .quick-search span,.topbar .kbd{display:none}.top-actions{gap:7px}.breadcrumb{font-size:12px}.breadcrumb:before{content:'BA';background:var(--green);color:white;padding:6px;border-radius:5px;font:11px Georgia,serif}.mobile-nav{display:flex;gap:5px;padding:8px 13px;overflow:auto;border-bottom:1px solid var(--line);background:#f0f4eb}.mobile-nav a{display:flex;align-items:center;gap:6px;white-space:nowrap;border-radius:6px;font-size:10px;padding:7px 10px;color:var(--muted)}.mobile-nav a .icon{width:15px;height:15px}.mobile-nav a.active{background:white;color:var(--green);box-shadow:0 1px 3px #18342613}.preview-strip{padding:7px 18px;font-size:9px}.workspace{padding:24px 18px 35px}.page-head{gap:14px;align-items:start;margin-bottom:20px}.page-head h1{font-size:26px}.page-head p{font-size:12px}.page-head>.flex{flex-wrap:wrap;justify-content:flex-end}.page-head>.flex .button{padding:8px;font-size:10px}.search-layout{gap:21px}.filters .select-control{max-width:155px;font-size:10px}.search-box input{font-size:14px}.topic-layout{display:block}.topic-nav{display:flex;overflow:auto;gap:5px;margin-bottom:25px;position:static}.topic-nav button{white-space:nowrap;width:auto;background:white;border:1px solid var(--line);font-size:11px;padding:9px 12px}.topic-nav .topic-sub{display:none}.topic-sources{margin-top:25px}.topic-article h1{font-size:41px}.topic-sources .video-frame{max-height:280px}.watch-lower{grid-template-columns:1fr}.stage-top{padding:18px 15px}.stage-top h1{font-size:20px}.transport-row{flex-wrap:wrap}.transport-right{margin-left:auto}.stage-caption{font-size:9px;padding:11px 15px}.transport .loop-button{font-size:9px}.theater-head .button{font-size:10px;padding:8px}.notebook-page{padding:22px}.notebook-page h1{font-size:30px}.note-source{flex-wrap:wrap}.note-source .button{margin-left:29px}.saved-grid{grid-template-columns:1fr}.ask-main{padding:20px 17px}.ask-context{align-items:start;gap:7px;flex-wrap:wrap}.ask-context .select-control{max-width:200px}.ask-side,.club-side{display:block}.club-private{margin-top:18px}.club-panel{padding:20px 17px}.club-panel h2{font-size:26px}.club-head h1{font-size:25px}.club-head{flex-wrap:wrap}.agenda-item{padding:12px}.agenda-item .button{font-size:9px;padding:8px}.comparison-layout{grid-template-columns:1fr}.compare-card .video-frame{max-height:310px}.state-grid{grid-template-columns:1fr}.plan-grid{grid-template-columns:1fr}.plan-choice{padding:18px}.plan-choice p{margin-bottom:12px}.dialog-header{padding:20px}.dialog-body{padding:20px}.dialog-footer{padding:15px 20px;flex-wrap:wrap}.toast{left:50%;font-size:11px;bottom:18px}.source-mini{flex-wrap:wrap}.source-mini img{width:65px;height:43px}.series-grid{gap:12px}.series-card .series-text{padding:14px}.series-card h3{font-size:14px}.club-side .video-frame{max-height:330px}.theater-layout.focus-mode .video-frame{max-height:none}.question-bubble{font-size:14px}.answer-body p{font-size:13px}.upgrade-card{padding:28px;margin:20px auto}.preview-title h2{font-size:18px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.tabbar{overflow-x:auto;scrollbar-width:thin}.tabbar button{flex-shrink:0}

/* Rails Library application surfaces. */
.coverage-strip{padding:10px 32px;border-bottom:1px solid var(--line);color:#66776c;font-size:11px;background:#fbfcf9}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:23px;box-shadow:var(--shadow);margin-bottom:18px;min-width:0}
section{margin-bottom:28px}section>h2{margin-top:28px}.section-heading{display:flex;justify-content:space-between;align-items:baseline;gap:15px;margin:30px 0 15px}.section-heading h2{margin:0}
.collection-count{color:var(--muted);font-size:11px;text-align:right;white-space:nowrap}.collection-count strong{display:block;font-size:28px;color:var(--green)}
.search-panel{background:#fff;border:1px solid var(--line);padding:20px;border-radius:12px;box-shadow:var(--shadow)}.search-box{padding:9px 12px}.search-box>span{font-size:28px}.search-box input[type=search]{border:0;flex:1;min-width:0;padding:10px;background:none;font-size:16px;outline-offset:0}
.filter-row{display:flex;gap:14px;align-items:flex-end;flex-wrap:wrap;margin-top:14px}.filter-row label{flex:1;min-width:155px}.filter-row select{margin-top:6px}.quiet-link{color:var(--green);font-size:12px;text-decoration:underline;text-underline-offset:3px;background:none;border:0;padding:5px 0}.quiet-link.danger{color:#9b4332}
label{font-size:12px;font-weight:550;color:var(--text)}input[type=text],input[type=search],textarea,select{max-width:100%;border:1px solid #cfd9cf;background:#fff;color:var(--text);border-radius:7px;padding:10px 12px}textarea{resize:vertical;line-height:1.6;width:100%;display:block;margin:8px 0 15px}select{width:100%;min-height:39px}input[type=text]{width:100%;margin:7px 0 14px}.button-secondary{background:white;border:1px solid var(--line)}.button_to{display:inline-block;margin:0}
.library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.video-card{padding:0;overflow:hidden;margin:0;transition:transform .15s,border-color .15s}.video-card:hover{transform:translateY(-3px);border-color:#9eb79b}.source-cover{height:142px;background:linear-gradient(125deg,#1b3d31,#4f7462);position:relative;color:#e8f1df;padding:21px;overflow:hidden}.source-cover:after{content:'';position:absolute;right:-25px;top:-55px;width:210px;height:210px;border:1px solid #a2bd9e40;border-radius:50%;box-shadow:0 0 0 22px #aac5a910,0 0 0 44px #aac5a90c}.source-number{font:500 44px Georgia,serif;color:#d4e3c99e}.play-symbol{position:absolute;right:22px;bottom:22px;border:1px solid #c6dbbc60;border-radius:50%;width:36px;height:36px;display:grid;place-items:center;font-size:12px;z-index:1}.cover-label{position:absolute;bottom:22px;left:22px;text-transform:uppercase;letter-spacing:1.6px;font-size:9px;color:#d1dfcc}.video-card-body{padding:20px}.video-card-body h3{margin-bottom:10px}.video-card-body p{margin:0}
.reference-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.reference-card{margin-bottom:0}.reference-card:hover{border-color:#96b398;background:#fcfdfb}.reference-card p{font-size:13px;color:#6a796e}.detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.reference-layout{display:grid;grid-template-columns:225px minmax(0,1fr);gap:25px}.reference-sidebar{align-self:start;position:sticky;top:24px}.reference-sidebar nav a:hover{color:var(--green);text-decoration:underline}.reference-details dl,dl.connection-list{display:grid;grid-template-columns:150px 1fr;gap:12px}.reference-details dt,.connection-list dt{font-weight:600;font-size:12px}.reference-details dd,.connection-list dd{margin:0;line-height:1.65}.connection-diagram{width:100%;height:auto;display:block;margin:15px 0}.connection-card h3 a:hover{color:var(--green)}.source-line{display:inline-block;color:var(--green);font-size:12px;line-height:1.8}.source-line a{text-decoration:underline}.occurrence{padding:20px 0;border-top:1px solid var(--line)}.cue{display:grid;grid-template-columns:70px 1fr;gap:15px;margin:12px 0}.cue p{margin:0}.time-text{font-variant-numeric:tabular-nums;font-size:12px;color:var(--green)}
.passage-card{padding:22px 25px}.passage-heading{display:flex;align-items:center;gap:12px;margin-bottom:15px}.passage-heading time{margin-left:auto;color:var(--muted);font-size:11px;font-variant-numeric:tabular-nums}.passage-excerpt{max-width:95ch;color:#54665b}.card-actions{display:flex;gap:9px;flex-wrap:wrap;align-items:center;margin-top:18px}.pagination{display:flex;gap:20px;justify-content:center;align-items:center;margin-top:28px;font-size:12px}.empty-state{background:#fff;border:1px dashed #bbcdb9;border-radius:12px;padding:55px 35px;text-align:center;margin:25px 0}.empty-state p{max-width:620px;margin:0 auto 25px;color:var(--muted)}
.notebook-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.privacy-note{font-size:12px;color:#6e7a6e}.note-card form{margin-top:18px}.note-card h2{margin-bottom:10px}.note-card .button_to{margin-top:14px}.revision-notice{background:#fff3d9;border-radius:6px;padding:10px;font-size:12px}.comparison-picker{display:flex;align-items:flex-end;gap:15px}.comparison-picker label{flex:1;min-width:0}.comparison-picker select{margin-top:7px}.comparison-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.comparison-source .source-text{margin-top:24px;max-height:60vh;overflow:auto;border-top:1px solid var(--line);padding-top:20px}.comparison-source .source-text p{font-size:14px;line-height:1.85}.comparison-note{max-width:900px}.flash{padding:13px 18px;background:#e7f1e2;border:1px solid #cadbc3;border-radius:8px;margin-bottom:20px}.flash.alert{background:#fff0e7;border-color:#e1c7b4}
.player-header{margin-bottom:24px}.player-header h1{font-size:27px}.player-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(300px,1fr);gap:22px}.player-stage{background:#15271f;border-radius:12px;overflow:hidden;position:relative}.player-stage video{width:100%;display:block;aspect-ratio:16/9;background:#12221a;max-height:65vh}.player-controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:#fff;padding:14px;border:1px solid var(--line);border-radius:0 0 10px 10px;font-size:12px}.player-controls label{display:flex;align-items:center;gap:6px}.player-controls select{width:auto}.media-link-panel{padding:20px;background:#eef4e9;border:1px solid #d0dfca;border-radius:10px;margin:18px 0}.media-link-panel p{font-size:13px}.media-link-panel input{width:100%}.media-status{font-size:12px;color:#46634d;margin:12px 0}.transcript-rail{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;align-self:start}.transcript-rail>header,.transcript-rail>.rail-header{padding:18px;border-bottom:1px solid var(--line)}.transcript-list{max-height:560px;overflow-y:auto;padding:10px;scroll-behavior:smooth}.transcript-cue{display:flex;align-items:flex-start;gap:12px;padding:12px 10px;border:0;background:transparent;text-align:left;border-radius:7px;width:100%;font-size:13px;line-height:1.6;color:#536457}.transcript-cue:hover{background:#f2f5ee}.transcript-cue.is-active{background:#e8f1e3;color:#244e37;box-shadow:inset 3px 0 #6f946a}.transcript-cue time{font-size:11px;white-space:nowrap;font-variant-numeric:tabular-nums;color:#789073}.player-note-form{padding:22px;background:white;border:1px solid var(--line);border-radius:12px;margin-top:20px}.player-note-form h2{font-size:20px}.badge{display:inline-block;padding:4px 8px;border-radius:5px;background:#eaf0e5;font-size:10px;color:var(--green)}[hidden]{display:none!important}
@media(min-width:1600px){.library-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:1100px){.reference-grid,.library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.player-grid{grid-template-columns:1fr}.transcript-list{max-height:360px}.reference-layout{grid-template-columns:190px minmax(0,1fr)}}
@media(max-width:760px){.app-shell{display:block}.sidebar{display:block;position:static;height:auto;padding:17px}.brand{padding-bottom:10px}.sidebar nav{display:flex;flex-wrap:wrap;gap:3px}.nav-item{padding:9px 12px;margin:0}.sidebar-bottom,.nav-label{display:none}.topbar{padding:0 18px;height:52px}.workspace{padding:23px 18px}.coverage-strip{padding:9px 18px}.page-head{align-items:flex-start;gap:12px}.page-head h1{font-size:25px}.collection-count{display:none}.library-grid,.reference-grid,.notebook-grid,.detail-grid,.comparison-grid{grid-template-columns:1fr}.reference-layout{display:block}.reference-sidebar{position:static}.comparison-picker{display:block}.comparison-picker label{display:block;margin-bottom:12px}.search-panel{padding:12px}.search-box input[type=search]{font-size:13px}.filter-row{gap:9px}.section-heading{align-items:flex-start}.section-heading h2{font-size:19px}.reference-details dl,dl.connection-list{grid-template-columns:1fr;gap:7px}.passage-heading{flex-wrap:wrap}.passage-heading time{margin-left:0}.player-controls{gap:8px}}
.search-box input[type=submit]{width:auto;flex:0 0 auto;padding:11px 22px;font-size:13px}
.player-stage{background:transparent;overflow:visible}.player-stage video{border-radius:12px 12px 0 0}.player-header{display:flex;justify-content:space-between;gap:18px}.button-secondary{display:inline-flex;align-items:center;justify-content:center;border-radius:7px;padding:9px 12px;font-size:12px;line-height:1.3;cursor:pointer}.button-secondary:hover{background:#edf3e8;border-color:#aebfaa}.player-tabs{display:flex;border-bottom:1px solid var(--line);padding:8px 8px 0;gap:4px}.player-tabs button{border:0;background:none;padding:12px 9px;font-size:12px;color:#6a796d}.player-tabs button[aria-selected=true]{color:var(--green);border-bottom:2px solid var(--green);font-weight:650}.transcript-rail [role=tabpanel]{padding:15px;margin:0}.transcript-toolbar{display:flex;align-items:flex-end;gap:10px;padding-bottom:14px}.transcript-toolbar label{flex:1}.transcript-toolbar select{margin-top:6px}.transcript-rail .muted{font-size:11px}.action-row{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.media-folder-controls{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end}.media-link-panel summary{cursor:pointer;font-weight:600}.media-link-panel code{overflow-wrap:anywhere;font-size:11px}.source-contents{padding-left:22px;max-height:520px;overflow:auto}.source-contents li{padding:10px 4px;border-bottom:1px solid var(--line)}.source-contents button{border:0;background:var(--wash);padding:7px 10px;border-radius:5px;color:var(--green);font-size:12px}.source-contents p{font-size:12px;margin:9px 0}.source-detail{padding:15px 0;border-bottom:1px solid var(--line)}.source-detail p{font-size:13px}.source-player.is-focused .player-grid{grid-template-columns:1fr}.source-player.is-focused .transcript-rail{display:none}.source-player.is-focused video{max-height:80vh}.cue-time{flex:0 0 54px;font-variant-numeric:tabular-nums;font-size:11px}.notice{padding:12px;border-radius:8px;background:#faf0db;font-size:12px}
.player-header{align-items:center}.player-header>button{flex:0 0 auto;height:auto;min-height:40px}.prepared-tree{max-height:650px}.prepared-tree ol{padding-left:18px;border-left:1px solid #d9e2d5}.prepared-tree summary{cursor:pointer;line-height:1.7}.prepared-tree .button{margin-bottom:10px}.source-card a:hover,.occurrence a:hover{text-decoration:underline}

div.connection-list{display:grid;grid-template-columns:minmax(0,1fr);gap:16px}.connection-card{min-width:0}.connection-card h3{overflow-wrap:anywhere}
@media(max-width:760px){.nav-item.active:before{display:none}.page-head{flex-direction:column;align-items:flex-start}.page-head>div{width:100%}.tabbar{flex-wrap:wrap;row-gap:10px}}

.account-panel{max-width:560px}.account-panel label{display:block;margin-top:18px}.account-panel input[type=email],.account-panel input[type=password]{display:block;width:100%;max-width:100%;border:1px solid #cfd9cf;border-radius:7px;padding:12px;margin:7px 0 16px;background:#fff;color:var(--text)}.account-panel .muted{margin-top:24px}.profile>div{min-width:0}.profile strong{overflow-wrap:anywhere}.panel code{overflow-wrap:anywhere}
@media(max-width:760px){.topbar{height:auto;min-height:58px;padding-top:9px;padding-bottom:9px;flex-wrap:wrap;gap:8px}.top-actions{margin-left:auto}.breadcrumb{flex-wrap:wrap}.player-header{align-items:flex-start;flex-wrap:wrap}}

.ai-settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.ai-provider-card,.ask-compose,.ask-message{padding:24px;min-width:0}.ai-provider-card label,.ask-compose label{display:block;font-weight:600;font-size:13px;margin:18px 0 8px}.ai-provider-card input[type=text],.ai-provider-card input[type=password],.ask-compose textarea,.ask-compose select{width:100%;min-width:0;border:1px solid var(--line);border-radius:8px;padding:12px;background:white;color:var(--text)}.ask-compose textarea{resize:vertical;line-height:1.6}.ask-compose{margin-bottom:30px}.ask-history{display:grid;gap:12px}.ask-history-card{display:block;padding:20px}.ask-history-card:hover{border-color:#a6beaa}.ask-history-card p{margin-bottom:0}.ask-transcript{max-width:1000px;display:grid;gap:16px;margin-bottom:24px}.ask-message-user{background:#edf3e9;margin-left:6%}.ask-message-text{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8}.ask-citation{font-size:12px;font-weight:700;color:var(--green);padding:3px}.ask-sources{margin-top:22px;border-top:1px solid var(--line);padding-top:18px}.ask-source{padding:12px 0}.ask-source .source-line{margin-left:8px;text-decoration:underline;text-underline-offset:3px}.ask-source summary{cursor:pointer;font-size:12px;margin-top:9px}.ask-source details p{font-size:13px;color:#637064;border-left:2px solid var(--line);padding-left:16px;margin-top:12px}.ask-usage{margin:20px 0 0;border-top:1px solid var(--line);padding-top:10px;overflow-wrap:anywhere}.privacy-note{max-width:850px}.ai-provider-card .section-heading{flex-wrap:wrap;gap:8px}.ask-compose .scope-label{background:var(--wash);padding:12px;border-radius:8px}.ask-compose input[type=submit]{margin-top:14px}.ask-source{scroll-margin-top:80px}@media(max-width:900px){.ai-settings-grid{grid-template-columns:1fr}}@media(max-width:760px){.ai-provider-card,.ask-compose,.ask-message{padding:18px}.ask-message-user{margin-left:0}.top-actions{flex-wrap:wrap}.ask-source .source-line{display:block;margin:8px 0 0}}

.ask-compose,.ask-history,.ask-page-head{max-width:1000px}.ask-page-head{align-items:flex-start}.ask-page-head>div{min-width:0}.ask-page-head h1{overflow-wrap:anywhere}.ask-page-head>.button{flex-shrink:0}
/* Study: focused lessons, private plans, and a continuous training notebook. */
.study-nav{display:flex;flex-wrap:wrap;gap:6px;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:28px}
.study-nav a{padding:9px 14px;border-radius:8px;color:var(--muted);font-size:14px;font-weight:600;text-decoration:none}
.study-nav a:hover,.study-nav a.selected{color:var(--green);background:var(--wash)}
.study-nav a:focus-visible,.study-text-link:focus-visible,.study-anchors a:focus-visible,.study-reveal summary:focus-visible,.study-reflection-form summary:focus-visible{outline:3px solid #89ae92;outline-offset:4px}
.study-hero{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(240px,1fr);gap:40px;align-items:center;padding:12px 0 38px}
.study-hero h1,.study-lesson-head h1{font-size:clamp(29px,3.1vw,43px);letter-spacing:-1.3px;line-height:1.15;margin:10px 0 16px;max-width:850px}
.study-hero>div>p:last-child,.study-lesson-head>p:not(.eyebrow){font-size:17px;line-height:1.65;color:#57675e;max-width:730px}
.study-hero-note{padding:25px;border-left:3px solid #b7cbbb;background:linear-gradient(110deg,#e9f0e8,#f2f5ed);border-radius:0 12px 12px 0}
.study-hero-note strong{display:block;margin:13px 0 8px;font-size:18px}
.study-hero-note p{font-size:14px;line-height:1.6;margin:0;color:#52675a}
.study-step-number{font-size:12px;letter-spacing:1px;font-weight:700;color:#557b61}
.study-continue{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:30px}
.study-continue h2{margin:6px 0}.study-continue p{margin-bottom:0}.study-continue>.button{flex-shrink:0}
.study-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.study-card{display:flex;flex-direction:column;padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--surface);min-width:0;transition:border-color .15s,box-shadow .15s}
.study-card:hover{border-color:#a8bcae;box-shadow:0 5px 20px #23412e09}
.study-card h3{font-size:20px;line-height:1.35;letter-spacing:-.35px;margin:25px 0 12px}
.study-card h3 a{text-decoration:none;color:var(--ink)}.study-card h3 a:hover{text-decoration:underline}
.study-card>p{font-size:14px;line-height:1.7;color:#5d6b63;margin:0 0 26px}
.study-card-top,.study-card-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px}
.study-card-bottom{margin-top:auto;padding-top:17px;border-top:1px solid var(--line);align-items:flex-end}
.study-text-link{font-size:14px;font-weight:600;color:var(--green);text-underline-offset:3px}
.study-principles{margin-top:36px}.study-principles .study-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.study-card-principle{background:#edf2e9;border-color:#d7e0d3}.study-card-principle h3{margin-top:18px}
.study-footer-note{padding:24px 0;margin-top:25px;border-top:1px solid var(--line);font-size:14px;line-height:1.7;color:#5d6b63}
.study-footer-note strong{color:var(--ink)}
.study-lesson-head{margin-bottom:30px}.study-lesson-head .tiny-badge{display:inline-block;margin-top:7px}
.study-quick-links{display:flex;flex-wrap:wrap;gap:12px 22px;margin:-10px 0 28px}.study-quick-links a{font-size:13px;font-weight:600;color:var(--green);text-underline-offset:4px}
.study-lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:28px;align-items:start}
.study-lesson-main{display:grid;gap:30px;min-width:0}.study-lesson-main>section{scroll-margin-top:24px}
.study-lesson-main .section-title{margin-top:0;margin-bottom:17px}.study-lesson-main h2{font-size:22px;line-height:1.3;margin:6px 0 14px}
.study-lesson-main h3{font-size:18px;line-height:1.45;margin:6px 0 10px}
.study-lesson-main p,.study-lesson-rail p{line-height:1.65}
.study-big-idea{background:#eaf0e5;border-color:#d2dfcd;padding:28px!important}
.study-lead{font-size:19px!important;line-height:1.7!important;letter-spacing:-.2px}.study-big-idea .study-lead{margin-bottom:0}
.study-clips{display:grid;gap:16px}.study-clip{padding:25px!important}
.study-clip-heading{display:flex;align-items:baseline;gap:17px}.study-clip-heading>div{min-width:0}.study-clip-heading .source-line{margin:0;overflow-wrap:anywhere}
.study-clip-context{display:grid;grid-template-columns:82px minmax(0,1fr);gap:12px 18px;background:#f5f7f3;border-radius:9px;padding:17px;font-size:14px;line-height:1.6;margin:20px 0}
.study-clip-context dt{font-weight:700;color:#55715f}.study-clip-context dd{margin:0}
.study-notice ul{padding-left:21px;margin-bottom:0}.study-notice li{line-height:1.7;margin:12px 0}
.study-branch{border-top:1px solid var(--line);padding:12px 0}.study-branch:last-child{padding-bottom:0}
.study-prediction{margin-top:18px;border-left:3px solid #b3c6a8}.study-prediction h3{margin:10px 0 22px}
.study-reveal summary,.study-reflection-form summary{cursor:pointer;font-weight:600;font-size:14px;color:var(--green);padding:14px 0}
.study-reveal{border-top:1px solid var(--line)}.study-reveal[open]>div{padding:4px 0 0}.study-answer{font-weight:600;font-size:17px}.study-assessment{display:flex;flex-wrap:wrap;gap:10px}
.study-saved{font-size:13px;color:#426e4c;background:#ecf4e9;padding:9px 12px;border-radius:6px;margin-bottom:0}
.study-lesson-rail{display:grid;gap:20px;position:sticky;top:24px}.study-lesson-rail .panel{padding:22px}.study-lesson-rail h2{font-size:17px;margin:0 0 14px}.study-lesson-rail p{font-size:14px;color:#5d6b63}
.study-anchors{display:grid;gap:3px}.study-anchors a{padding:8px 0;color:#4b6355;font-size:14px;text-decoration:none}.study-anchors a:hover{text-decoration:underline}
.study-plan-save .study-text-link{display:block;margin-top:14px;line-height:1.6}.study-plan-save .button{white-space:normal;line-height:1.4}
.study-related-link{display:block;font-size:14px;font-weight:600;line-height:1.5;color:var(--green);padding:13px 0;border-top:1px solid var(--line);text-decoration:none}.study-related-link:hover{text-decoration:underline}
.study-game-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:25px}
.study-game-slot{display:flex;flex-direction:column;align-items:stretch;min-width:0}.study-game-slot .eyebrow{display:flex;gap:12px;align-items:center}.study-game-slot h2{font-size:22px;line-height:1.35;margin:13px 0}.study-game-slot>p{line-height:1.65}
.study-slot-form{display:grid;gap:10px;border-top:1px solid var(--line);padding-top:22px;margin:24px 0 10px}.study-slot-form .button{justify-self:start}
.study-slot-form label,.study-session-form label{font-size:14px;font-weight:600;color:var(--ink)}
.study-slot-form select,.study-session-form textarea{width:100%;max-width:100%;min-width:0;background:#fff;border:1px solid #c9d4c8;border-radius:8px;padding:12px;font:inherit;color:var(--ink);line-height:1.5}
.study-session-form textarea{resize:vertical;display:block;margin:9px 0 21px;font-size:15px}.study-session-form textarea:focus,.study-slot-form select:focus{outline:3px solid #d3e2cf;border-color:#668d70}
.study-session-form .card-actions{margin-top:0}.study-session-form{margin-top:22px}
.study-training-brief{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:30px;background:#eaf0e5;border-color:#d2dfcd;margin:24px 0 36px}.study-training-brief h2{margin:10px 0}.study-brief-actions{display:flex;flex-direction:column;justify-content:center;gap:12px;align-items:flex-start}
.study-last-observation{border-top:1px solid #cfdcca;margin-top:20px;padding-top:18px;font-size:14px}.study-last-observation p{margin-bottom:0}
.study-writing{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.7}.study-session-list{display:grid;gap:20px}.study-session>h3{font-size:22px;line-height:1.35;margin:22px 0 16px}.study-session p{line-height:1.7;overflow-wrap:anywhere}.study-session .source-line{display:inline-block;margin:12px 0}
.notebook-training-section{margin-top:36px;padding-top:12px;border-top:1px solid var(--line);scroll-margin-top:20px}.notebook-training-card{min-width:0}.notebook-training-card h3{font-size:20px;line-height:1.4;margin:20px 0 14px}.notebook-training-card p{line-height:1.7;overflow-wrap:anywhere}.notebook-training-card .card-actions{margin-top:20px}.notebook-training-card .source-line{overflow-wrap:anywhere}
.study-reflection-form{border-top:1px solid var(--line);margin:14px 0 10px}.study-reflection-form .study-session-form{margin-top:10px}.study-session-summary{margin-bottom:14px}.study-session-summary p{line-height:1.7}
.study-context{border:1px solid #d5e1cf;border-left:4px solid #829c70;background:#f0f5eb;border-radius:12px;padding:23px;margin:0 0 24px;min-width:0}
.study-context-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.study-context-heading h2{font-size:20px;line-height:1.4;margin:6px 0 15px}.study-context-heading .button-secondary{font-size:13px;line-height:1.5;color:var(--green);max-width:260px}
.study-context-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px 25px;margin:8px 0 19px}.study-context-facts dt{font-size:11px;text-transform:uppercase;letter-spacing:.8px;font-weight:700;color:#537047;margin-bottom:5px}.study-context-facts dd{font-size:14px;line-height:1.6;margin:0;overflow-wrap:anywhere}.study-context>p:last-child{margin-bottom:0;line-height:1.6}
@media(max-width:1200px){.study-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.study-lesson-layout{grid-template-columns:minmax(0,1fr) 245px;gap:20px}.study-hero{gap:25px;grid-template-columns:minmax(0,1.4fr) minmax(210px,1fr)}}
@media(max-width:950px){.study-lesson-layout{grid-template-columns:minmax(0,1fr)}.study-lesson-rail{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}.study-lesson-rail>section:first-child{display:none}.study-lesson-rail>p{grid-column:1/-1}.study-hero{grid-template-columns:1fr}.study-hero-note{max-width:650px}.study-training-brief{grid-template-columns:1fr;gap:15px}.study-brief-actions{flex-direction:row;align-items:center;flex-wrap:wrap}}
@media(max-width:600px){.study-nav{gap:3px;margin-bottom:22px}.study-nav a{font-size:12px;padding:9px}.study-hero{padding-top:0;padding-bottom:25px;gap:18px}.study-hero h1,.study-lesson-head h1{letter-spacing:-.7px}.study-hero-note{padding:20px}.study-card-grid,.study-principles .study-card-grid,.study-game-grid,.study-lesson-rail{grid-template-columns:minmax(0,1fr)}.study-card{padding:21px}.study-card h3{margin-top:18px}.study-continue{display:block}.study-continue .button{margin-top:20px}.study-clip,.study-big-idea{padding:20px!important}.study-clip-context{grid-template-columns:1fr;gap:4px;padding:15px}.study-clip-context dd{margin-bottom:11px}.study-clip-context dd:last-child{margin-bottom:0}.study-clip-heading{gap:12px}.study-clip .card-actions{display:grid;gap:10px}.study-clip .button{white-space:normal;text-align:center}.study-context{padding:19px}.study-context-heading{display:block}.study-context-heading .button-secondary{display:block;margin:0 0 18px}.study-context-facts{grid-template-columns:1fr}.study-lead{font-size:17px!important}.study-session .card-actions{flex-wrap:wrap}.study-lesson-head{margin-bottom:24px}}
/* Account identity fields share the same controls as email and password. */
.account-panel input[type=text],.account-panel select{display:block;width:100%;max-width:100%;border:1px solid #cfd9cf;border-radius:7px;padding:12px;margin:7px 0 16px;background:#fff;color:var(--text)}.account-panel dt{font-size:12px;color:var(--muted)}.account-panel dd{margin:5px 0 18px;overflow-wrap:anywhere;color:var(--ink)}

.development-banner{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px 18px;padding:12px 20px;background:#fff1ca;border-bottom:1px solid #d9ba6a;color:#604c1c;font-size:12px;line-height:1.5}.development-banner strong{text-transform:uppercase;letter-spacing:.6px;font-size:11px}.development-banner a{text-decoration:underline;text-underline-offset:3px;font-weight:650}