/* Study discovery and learning reuse the app canvas and verified source media. */
body main#main .study-page-heading{margin:28px 0 16px;background:transparent;padding:0}
body main#main .study-page-heading h1{font-size:clamp(28px,3vw,36px);font-weight:700;line-height:1.4;letter-spacing:-.035em;margin:0 0 10px}
body main#main .study-page-heading p{font-size:15px;line-height:1.7;color:var(--muted);margin:0}
body main#main .study-action-tabs{display:flex;gap:4px;margin:18px 0 0;overflow-x:auto;scrollbar-width:thin}
body main#main .study-action-tabs>a{flex:1;min-width:64px;min-height:48px;display:flex;align-items:center;justify-content:center;padding:8px 6px;white-space:nowrap;font-size:14px}
body main#main .study-action-tabs small{display:none}
body main#main .study-action-tabs,body main#main .study-controls{max-width:none;width:100%;box-sizing:border-box}
body main#main .study-rails:empty{display:none}
body main#main .sc-hub[hidden]{display:none!important}
body main#main .sc-hub{margin:20px 0 16px;max-width:none;padding:0;background:transparent}
body main#main .sc-tracks{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0}
body main#main .sc-tracks>a{display:block;border:1px solid var(--line);border-radius:12px;background:transparent!important;padding:14px 16px;min-width:0}
body main#main .sc-tracks strong{display:block;font-size:16px;font-weight:600;line-height:1.5}
body main#main .sc-tracks small{display:block;margin-top:4px;font-size:13px;line-height:1.55;max-width:none;color:var(--muted)}
body main#main .sc-tracks b{display:none}
body main#main .sc-hub .sc-next{margin:16px 0 0;padding:0;background:transparent;border:0}
body main#main .sc-hub .sc-next a{padding:8px 0;font-size:15px;min-height:44px}
body main#main .study-controls{margin:16px 0 24px;padding:0!important;border:0;background:transparent!important}
body main#main .study-controls form{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:12px;margin:0}
body main#main .study-controls form>label{min-width:0;font-size:14px;line-height:1.6;gap:8px}
body main#main .study-controls input{min-height:48px;font-size:16px;width:100%;box-sizing:border-box}
body main#main .study-controls form>button{grid-column:2;grid-row:1;min-height:48px;padding:0 20px;border:0;background:var(--gold)!important;color:#17181a!important;font-weight:600}
body main#main .study-filter-options{grid-column:1/-1;width:100%;background:transparent!important;border:0;padding:0;margin:0}
body main#main .study-filter-options>summary{display:list-item;cursor:pointer;min-height:44px;box-sizing:border-box;padding:12px 0;font-size:14px;color:var(--muted)!important}
body main#main .study-filter-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:12px 0}
body main#main .study-filter-fields label{font-size:14px;display:grid;gap:8px;min-width:0}
body main#main .study-filter-fields select{min-height:44px;box-sizing:border-box;width:100%;font-size:15px;padding:8px 12px}
body main#main .study-controls [data-study-topic-list]{gap:8px;margin:12px 0 8px}
body main#main .study-controls [data-study-topic-list] a{min-height:44px;font-size:14px;padding:8px 12px;box-sizing:border-box}
body main#main .study-controls [data-study-topic-count]{font-size:13px;font-weight:400}
body main#main .study-active-filters{margin:0;padding:12px 0;border:0;gap:12px}
body main#main .study-active-filters span{background:transparent!important;font-size:14px;padding:0;color:var(--muted)!important}
body main#main .study-active-filters>strong{font-size:13px;font-weight:500}
body main#main .study-controls .study-active-filters button{min-height:44px;font-size:14px;background:transparent!important;padding:8px 12px}
body main#main .study-filter-status:empty,body main#main .study-save-status:empty{display:none}
body main#main .study-filter-status,body main#main .study-save-status{font-size:14px;line-height:1.7;color:var(--muted)!important;overflow-wrap:anywhere;margin:12px 0}
body main#main .study-filter-status button{min-height:44px;margin-left:8px;padding:8px 12px;font-size:14px;color:var(--gold)!important;background:transparent!important}
body main#main .study-grid{gap:24px}
body main#main .study-card{border:0!important;border-radius:14px;background:var(--surface)!important;overflow:hidden}
body main#main .study-card-media{position:relative;display:block;width:100%;aspect-ratio:16/9;min-height:44px;background:var(--surface-raised)!important}
body main#main .study-card-media img{display:block;width:100%;height:100%;object-fit:cover}
body main#main .study-card-media>span{inset:auto 12px 12px auto;transform:none;width:auto;height:auto;min-height:36px;border-radius:8px;padding:8px 12px;font-size:14px;line-height:1.4;background:#0f0f0fe6!important;color:var(--ink)!important}
body main#main .study-card-body{padding:20px!important;background:transparent!important}
body main#main .study-card-meta{gap:8px;flex-wrap:wrap;margin:0 0 12px}
body main#main .study-card-meta>span{font-size:13px;line-height:1.6;background:transparent!important;color:var(--muted)!important;padding:0;font-weight:400}
body main#main .study-card-body h2{margin:0 0 12px;font-size:20px;line-height:1.5;font-weight:600;letter-spacing:-.025em}
body main#main .study-card-body h2 a{display:block;min-height:44px;color:var(--ink)!important}
body main#main .study-card-body>p{font-size:14px;line-height:1.75;margin:0 0 14px;color:var(--muted)!important;display:block;overflow:visible}
body main#main .study-card-channel{display:block;font-size:13px;line-height:1.6;color:var(--muted)!important;overflow-wrap:anywhere}
body main#main .study-card footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:16px 0 0;padding:0!important;border:0!important;background:transparent!important}
body main#main .study-card footer :is(a,button){min-height:44px;box-sizing:border-box;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;padding:8px 12px;background:transparent!important}
body main#main .study-card footer a{padding-left:0;color:var(--ink)!important}
body main#main .study-card footer button{border:1px solid var(--control-line)!important;border-radius:8px;color:var(--muted)!important}
body main#main .study-card footer button[aria-pressed=true]{border-color:var(--gold)!important;color:var(--gold)!important}
body main#main .study-detail{display:block;margin-top:24px;padding:0!important}
body main#main .study-detail>header{display:block;position:static;width:auto;max-width:none;height:auto;min-height:0;background:transparent!important;border:0;box-shadow:none;padding:0!important;margin:0 0 20px}
body main#main .study-detail>header h1{font-size:clamp(28px,3vw,36px);line-height:1.45;font-weight:700;letter-spacing:-.035em;max-width:34ch;margin:12px 0}
body main#main .study-detail>header p{font-size:15px;line-height:1.75;color:var(--muted)!important;margin:0;max-width:70ch}
body main#main .study-detail-actions{display:flex;flex-wrap:wrap;gap:8px 12px;margin:0 0 20px}
body main#main .study-detail-actions :is(a,button){display:inline-flex;align-items:center;min-height:44px;box-sizing:border-box;padding:8px 12px;border:1px solid var(--control-line)!important;border-radius:8px;background:transparent!important;color:var(--ink)!important;font-size:14px;font-weight:500}
body main#main .study-detail-actions button[aria-pressed=true]{color:var(--gold)!important;border-color:var(--gold)!important}
body main#main .study-detail-player{margin:0 0 24px!important;width:100%;border-radius:12px;overflow:hidden;background:#000!important}
body main#main .study-detail-player iframe{display:block;width:100%;aspect-ratio:16/9;height:auto}
body main#main .study-video-status{font-size:14px;line-height:1.7;display:flex;flex-wrap:wrap;gap:8px 16px;margin:16px 0 28px}
body main#main .study-video-status a{min-height:44px;display:inline-flex;align-items:center}
body main#main .study-timeline>header{position:static;display:flex;flex-wrap:wrap;height:auto;width:auto;background:transparent!important;border:0;padding:0!important;gap:16px;margin:32px 0 16px}
body main#main .study-timeline>header h2{font-size:23px;line-height:1.45;margin:0 0 8px;font-weight:600}
body main#main .study-timeline .eyebrow{display:none}
body main#main .study-timeline>header p:not(.eyebrow){font-size:14px;line-height:1.7;color:var(--muted)!important}
body main#main .study-timeline>header button{min-height:44px;font-size:14px}
body main#main .study-timeline>article>div{margin:12px 0 0 0;padding:12px 16px;border-left:2px solid var(--gold);background:transparent!important}
body main#main .study-timeline>article>a{grid-template-columns:46px minmax(0,1fr) auto;gap:12px;min-height:44px}
body main#main .study-timeline>article>a :is(time,small,b){font-size:13px;line-height:1.6}
body main#main .study-timeline>article>div p{font-size:15px;line-height:1.75;color:var(--muted)!important}
body main#main .study-timeline>article>div strong{font-size:13px;font-weight:500}
body main#main .sc-course-return{margin:20px 0 0;gap:16px;font-size:14px;line-height:1.6}
body main#main .sc-course-return a{min-height:44px;display:inline-flex;align-items:center}
body main#main .study-source-note{font-size:14px;line-height:1.7;display:flex;flex-wrap:wrap;gap:12px 24px;margin:32px 0;padding:16px 0!important;background:transparent!important}
body main#main .study-discussions>header{position:static;display:block;width:auto;height:auto;background:transparent!important;border:0;padding:0!important}
body main#main .study-discussions .eyebrow{display:none}
body main#main .study-answer-guide{font-size:14px;line-height:1.7;gap:12px;margin:16px 0}
body main#main .study-answer-guide>span{background:transparent!important;padding:0;font-size:14px;color:var(--muted)!important}
body main#main [data-study-discussion-count]{font-size:14px;font-weight:400;color:var(--muted)!important;white-space:nowrap}
body main#main :is(.study-player,.study-player [data-study-frame]){background:var(--surface)!important;color:var(--ink)!important}
body main#main .study-player{padding:56px 20px 20px;box-sizing:border-box;width:min(900px,calc(100% - 32px));border:1px solid var(--line);border-radius:16px}
body main#main .study-player iframe{display:block;width:100%;aspect-ratio:16/9;height:auto}
body main#main .study-player [data-study-close]{top:8px;right:12px;min-width:44px;min-height:44px;background:transparent!important;color:var(--ink)!important}
body main#main .study-community-hero{display:block;position:static;height:auto;min-height:0;width:auto;margin:28px 0 24px;padding:0!important;border:0;background:transparent!important;box-shadow:none}
body main#main .study-community-hero:after{display:none}
body main#main .study-community-hero h1{font-size:clamp(28px,3vw,36px);font-weight:700;line-height:1.4;margin:0 0 12px}
body main#main .study-community-hero>p{font-size:15px;line-height:1.7;margin:0;color:var(--muted)!important}
body main#main .study-community-hero>div{display:flex;align-items:center;gap:8px;margin:16px 0 0}
body main#main .study-community-hero>div :is(strong,span){font-size:14px;font-weight:400;line-height:1.6;color:var(--muted)!important}
body main#main .study-community-filters{background:transparent!important;padding:0!important;gap:8px;border:0;border-bottom:1px solid var(--line);border-radius:0;box-shadow:none}
body main#main .study-community-filters a{min-height:44px;font-size:14px;font-weight:500;background:transparent!important;border:0;border-radius:0;padding:8px 12px}
body main#main .study-community-filters a[aria-current=page]{color:var(--gold)!important;box-shadow:inset 0 -2px var(--gold)}
body main#main .study-community-topics{margin:16px 0 24px}
body main#main .study-community-topics a{min-height:44px;font-size:14px;box-sizing:border-box}
body main#main .study-community-copy{padding:20px!important}
body main#main .study-community-copy>header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;position:static;min-height:0;height:auto;width:auto;max-width:none;margin:0 0 16px;padding:0!important;border:0;background:transparent!important;box-shadow:none}
body main#main .study-community-copy>header :is(b,strong,span,time){font-size:13px;font-weight:400;line-height:1.6}
body main#main .study-community-copy>p{font-size:15px;line-height:1.75}
body main#main .study-community-copy>footer{display:flex;align-items:center;flex-wrap:wrap;gap:8px 16px;padding:0!important;margin:16px 0 0;background:transparent!important;font-size:13px}
body main#main .study-community-copy>footer a{display:inline-flex;align-items:center;min-height:44px;font-size:14px}
body main#main .study-community-video small{font-size:13px;line-height:1.6}
body main#main .study-community-video strong{font-size:16px;line-height:1.5}
body main#main .study-login-callout{background:transparent!important;box-shadow:none;border:0;padding:20px 0!important;text-align:left;margin:24px 0 40px;border-radius:0}
body main#main .study-scene-context{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px 16px;margin:-8px 0 24px;padding:0;color:var(--muted)}
body main#main .study-scene-context[hidden]{display:none}
body main#main .study-scene-context p{margin:0;min-width:0;flex:1 1 180px;font-size:14px;line-height:1.6;overflow-wrap:anywhere}
body main#main .study-scene-context button{min-height:44px;flex:none;padding:8px 12px;border:1px solid var(--control-line);border-radius:8px;background:transparent;color:var(--gold);font:inherit;font-size:14px;cursor:pointer}
body main#main .study-timeline a[aria-current=true]{border-radius:8px;outline:1px solid var(--gold);outline-offset:8px}
body main#main .study-detail-player:focus-visible{outline:2px solid var(--gold);outline-offset:4px}
body main#main .study-login-callout .eyebrow{display:none}
body main#main .study-login-callout h2{font-size:23px;font-weight:600;line-height:1.5;margin:0 0 16px}
body main#main .study-login-callout>p{margin:0!important;max-width:52ch;font-size:15px;line-height:1.75}
body main#main .study-login-callout>a{display:inline-flex;align-items:center;min-height:44px;box-sizing:border-box;padding:10px 16px;font-size:15px;font-weight:600;color:#17181a!important;background:var(--gold)!important;margin-top:20px}
@media(max-width:650px){body main#main .study-action-tabs>a{min-width:0;font-size:13px;padding-inline:3px}body main#main .sc-tracks>a{padding:12px;min-height:80px;box-sizing:border-box}body main#main .sc-tracks small{font-size:13px}body main#main .study-filter-fields{gap:12px}body main#main .study-grid{grid-template-columns:1fr;gap:20px}body main#main .study-detail-actions{gap:8px}body main#main .study-detail-actions :is(a,button){padding:8px 10px}body main#main .study-timeline>article>a{grid-template-columns:40px minmax(0,1fr);gap:10px}body main#main .study-timeline>article>a>b{grid-column:2;justify-self:start}body main#main .study-player{padding-inline:16px}}