/* Homework and materials: one heading, one row of controls, content on demand. */
[data-material-page]{--learning-panel:var(--panel);--learning-ink:var(--text);--learning-muted:var(--muted);--learning-border:var(--line);--learning-soft:var(--bg);--learning-accent:var(--orange);min-width:0;color:var(--learning-ink)}
.learning-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;margin:0 0 24px;padding-bottom:20px;border-bottom:1px solid var(--learning-border)}
[data-material-page] .material-tabs{margin:0;padding:4px;background:var(--panel2);border:0;border-radius:11px;gap:3px;box-shadow:none}
[data-material-page] .material-tabs [role=tab]{min-height:39px;padding:8px 20px;font-size:14px;font-weight:600;color:var(--learning-muted);border:0;border-radius:8px;transition:background .18s,color .18s}
[data-material-page] .material-tabs [role=tab][aria-selected=true]{background:var(--learning-panel);color:var(--learning-ink);box-shadow:0 1px 4px color-mix(in srgb,var(--text) 4%,transparent)}
[data-material-page] .material-tabs [role=tab]:hover{color:var(--learning-ink);background:color-mix(in srgb,var(--panel) 70%,transparent)}
[data-material-page] .study-block-picker{margin:0;max-width:none}
[data-material-page] .study-block-picker label{display:flex;align-items:center;gap:10px;color:var(--learning-muted);font-size:13px}
[data-material-page] .study-block-picker select{width:175px;min-height:40px;padding:9px 34px 9px 12px;background:var(--learning-panel);color:var(--learning-ink);border:1px solid var(--learning-border);border-radius:9px;font-size:13px}
[data-material-page] .study-block-heading{display:flex;align-items:baseline;justify-content:flex-start;flex-wrap:wrap;gap:8px 15px;margin:24px 0 14px;padding:0}
[data-material-page] .study-block-heading h2,[data-material-page] .webinar-group>.section-title h2{margin:0;font-size:20px;line-height:1.4;letter-spacing:-.025em;font-weight:650}
[data-material-page] .study-block-heading p{margin:0;color:var(--learning-muted);font-size:12px;line-height:1.5}
[data-material-page] .webinar-group{margin:0 0 24px}
[data-material-page] .webinar-group>.section-title{margin:0 0 14px}
[data-material-page] .webinar-list{display:grid;gap:10px;min-width:0}
[data-material-page] .webinar-folder{margin:0;border:1px solid var(--learning-border);border-radius:14px;background:var(--learning-panel);box-shadow:none;min-width:0;overflow:clip;transition:border-color .18s,box-shadow .18s}
[data-material-page] .webinar-folder:hover{border-color:color-mix(in srgb,var(--muted) 35%,var(--line));box-shadow:0 2px 10px color-mix(in srgb,var(--text) 2%,transparent)}
[data-material-page] .webinar-folder[open]{background:var(--learning-panel);border-color:color-mix(in srgb,var(--muted) 25%,var(--line));box-shadow:0 3px 14px color-mix(in srgb,var(--text) 3%,transparent)}
[data-material-page] .webinar-folder>summary{padding:19px 22px;display:grid;grid-template-columns:minmax(0,1fr) auto 16px;align-items:center;gap:20px;list-style:none;cursor:pointer}
[data-material-page] .webinar-folder>summary:focus-visible{outline:2px solid var(--learning-accent);outline-offset:-3px;border-radius:13px}
[data-material-page] .webinar-folder-title{display:grid;gap:5px;min-width:0}
[data-material-page] .webinar-folder-title>small{font-size:12px;line-height:1.5;font-weight:400;color:var(--learning-muted)}
[data-material-page] .webinar-folder-title>strong{font-size:18px;font-weight:600;line-height:1.45;letter-spacing:-.02em;color:var(--learning-ink);overflow-wrap:anywhere}
[data-material-page] .webinar-folder-status{display:grid;gap:4px;justify-items:end;min-width:0;max-width:190px}
[data-material-page] .webinar-state{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;line-height:1.4;color:var(--learning-muted);text-align:right}
[data-material-page] .webinar-state:before{content:'';width:6px;height:6px;flex-shrink:0;background:var(--muted);border-radius:50%}
[data-material-page] .webinar-state.good{color:var(--green)}
[data-material-page] .webinar-state.good:before{background:var(--green)}
[data-material-page] .webinar-state.warn{color:var(--orange)}
[data-material-page] .webinar-state.warn:before{background:var(--orange)}
[data-material-page] .webinar-folder-status>small{font-size:12px;line-height:1.5;color:var(--learning-muted);text-align:right}
[data-material-page] .folder-chevron{font-size:19px;line-height:1;color:var(--muted);transition:transform .2s}
[data-material-page] .webinar-folder[open] .folder-chevron{transform:rotate(180deg)}
[data-material-page] .webinar-folder-content{display:grid;gap:16px;padding:20px 22px;border-top:1px solid var(--line);background:var(--learning-panel)}
[data-material-page] .webinar-folder-content .homework-card{margin:0;padding:0;border:0;border-radius:0;box-shadow:none;background:transparent;color:var(--learning-ink);opacity:1;min-width:0}
[data-material-page] .webinar-folder-content .homework-card+.homework-card{padding-top:20px;border-top:1px solid var(--learning-border)}
[data-material-page] .webinar-folder-content .homework-card:not(.supplement) .homework-top h3,
[data-material-page] .webinar-folder-content .homework-card:not(.supplement) .homework-title,
[data-material-page] .webinar-folder-content .homework-card:not(.supplement) .homework-top .eyebrow,
[data-material-page] .webinar-folder-content .homework-card:not(.supplement) .homework-top>.badge,
[data-material-page] .webinar-folder-content .homework-date{display:none}
[data-material-page] .homework-top{gap:12px;align-items:center}
[data-material-page] .homework-top h3,[data-material-page] .homework-title{font-size:16px;font-weight:600;line-height:1.45;letter-spacing:-.01em;color:var(--learning-ink);margin:0 0 6px}
[data-material-page] .assignment-format{display:block;border:0;background:transparent;padding:0;margin:0;color:var(--learning-muted);font-size:12px;line-height:1.6}
[data-material-page] .homework-comment{margin:12px 0;color:var(--muted);font-size:13px;line-height:1.65;max-width:780px}
[data-material-page] .homework-progress{margin:14px 0 12px;max-width:340px}
[data-material-page] .homework-progress>span{color:var(--learning-muted);font-size:12px;font-weight:500}
[data-material-page] .homework-progress progress{height:5px;margin-top:7px;background:var(--line);accent-color:var(--green);border-radius:10px;overflow:hidden}
[data-material-page] .homework-progress progress::-webkit-progress-bar{background:var(--line)}
[data-material-page] .homework-progress progress::-webkit-progress-value{background:var(--green);border-radius:10px}
[data-material-page] .task-chips{display:flex;flex-wrap:wrap;gap:6px;margin:13px 0;max-height:170px;overflow-y:auto;scrollbar-width:thin}
[data-material-page] .task-chips span,[data-material-page] .homework-card.supplement .task-chips span{min-width:34px;min-height:30px;padding:5px 9px;border:1px solid var(--line);border-radius:7px;background:var(--panel);color:var(--muted);font-size:12px;font-weight:500;line-height:1.5}
[data-material-page] .task-chips span.is-accepted{background:color-mix(in srgb,var(--green) 7%,var(--panel));border-color:color-mix(in srgb,var(--green) 28%,var(--line));color:var(--green)}
[data-material-page] .homework-files{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(230px,100%),1fr));align-items:stretch;gap:9px;margin-top:16px}
[data-material-page] .homework-files .compact{margin:0}
[data-material-page] .homework-pdf,[data-material-page] .solution-file .homework-pdf{display:flex;flex-direction:row;align-items:center;justify-content:flex-start;gap:12px;width:100%;min-width:0;min-height:60px;padding:12px 14px;border:1px solid var(--learning-border);border-radius:10px;background:var(--panel);color:var(--learning-ink);font-size:12px;font-weight:500;line-height:1.5;text-align:left;white-space:normal;overflow-wrap:anywhere;box-shadow:none;transition:background .18s,border-color .18s}
[data-material-page] .homework-pdf:hover,[data-material-page] .solution-file .homework-pdf:hover{color:var(--learning-ink);border-color:color-mix(in srgb,var(--muted) 25%,var(--line));background:var(--panel2);transform:none;box-shadow:none}
[data-material-page] .homework-pdf:focus-visible{outline:2px solid var(--learning-accent);outline-offset:2px}
[data-material-page] .learning-file-icon{display:grid;place-items:center;width:32px;height:36px;flex-shrink:0;border:1px solid color-mix(in srgb,var(--orange) 25%,var(--line));border-radius:6px;background:var(--accent-soft);color:var(--orange);font-size:8px;font-weight:700;letter-spacing:.04em}
[data-material-page] .learning-file-name{display:block;flex:1;min-width:0;overflow-wrap:anywhere;font-weight:550;line-height:1.45}
[data-material-page] .homework-pdf small,[data-material-page] .learning-file-name small{display:block;margin-top:4px;color:var(--learning-muted);font-size:11px;font-weight:400;line-height:1.4}
[data-material-page] .learning-file-arrow{flex-shrink:0;color:var(--muted);font-size:17px}
[data-material-page] .homework-actions{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:14px}
[data-material-page] .homework-actions .compact{min-height:36px;font-size:12px;padding:8px 12px}
[data-material-page] .material-crosslink{justify-self:start;font-size:12px;font-weight:550;color:var(--learning-accent);text-decoration:none;padding:2px 0;margin-top:2px}
[data-material-page] .material-crosslink:hover{text-decoration:underline;text-underline-offset:3px}
[data-material-page] .supplement-ribbon{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0;margin:0 0 9px;border:0;border-radius:0;background:transparent;color:var(--orange);font-size:11px;font-weight:600;letter-spacing:0;line-height:1.5}
[data-material-page] .supplement-ribbon>span{font-size:11px;font-weight:600}
[data-material-page] .supplement-ribbon small{color:var(--learning-muted);font-size:11px;font-weight:400}
[data-material-page] .supplement-parent{margin:5px 0 8px;color:var(--learning-muted);font-size:12px;line-height:1.5}
[data-material-page] .homework-card.supplement:before{display:none}
[data-material-page] .webinar-category{margin-top:18px;padding-top:10px;border-top:1px solid var(--learning-border)}
[data-material-page] .webinar-category>summary{padding:10px 0;font-size:14px;font-weight:550;gap:8px;color:var(--learning-muted)}
[data-material-page] .webinar-category>summary:before{font-size:18px;color:var(--muted)}
[data-material-page] .webinar-category>summary>span{padding:2px 6px;border:0;background:var(--panel2);border-radius:5px;color:var(--learning-muted);font-size:11px;font-weight:500}
[data-material-page] .webinar-category .webinar-list{margin-top:9px}
[data-material-page] .learning-section-title{display:flex;align-items:baseline;justify-content:flex-start;gap:10px;margin:0 0 12px}
[data-material-page] .learning-section-title h2{margin:0;font-size:14px;font-weight:600;color:var(--learning-muted);letter-spacing:0}
[data-material-page] .learning-section-title>small{font-size:11px;color:var(--muted)}
[data-material-page] .homework-empty{padding:22px;border:1px dashed var(--line);border-radius:12px;background:var(--panel);color:var(--learning-muted);font-size:14px;line-height:1.6}
[data-material-page] .solution-sheet-heading{margin:0 0 12px;gap:12px;align-items:center}
[data-material-page] .solution-sheet-heading h3{margin:0;font-size:14px;font-weight:600;line-height:1.5;color:var(--learning-ink)}
[data-material-page] .solution-sheet-heading small{display:block;margin-bottom:4px;color:var(--learning-muted);font-size:11px}
[data-material-page] .solution-sheet+.solution-sheet{padding-top:16px;border-color:var(--learning-border)}
[data-material-page] .solution-file-list{gap:8px}
[data-material-page] .solution-file{gap:10px;align-items:center}
[data-material-page] .solution-file .badge{font-size:11px;max-width:220px;white-space:normal;line-height:1.4}
[data-material-page] .study-block-reminder{padding:11px 14px;margin:0 0 15px;border:1px solid color-mix(in srgb,var(--orange) 20%,var(--line));border-radius:9px;background:var(--accent-soft);color:var(--orange);font-size:12px;gap:10px}
[data-material-page] .study-block-reminder>div{gap:6px}
[data-material-page] .study-block-reminder button{min-height:32px;padding:6px 10px;border-color:color-mix(in srgb,var(--orange) 20%,var(--line));background:var(--panel);color:var(--orange);font-size:11px}
[data-material-page] .study-independent{margin-top:24px;padding-top:20px;border-color:var(--learning-border)}
[data-material-page] .study-independent>h2{font-size:19px;line-height:1.4;margin:0 0 16px;font-weight:650;color:var(--learning-ink)}
@media(max-width:640px){
 .learning-toolbar{gap:12px;margin-bottom:18px;padding-bottom:15px;align-items:center}
 [data-material-page] .material-tabs [role=tab]{min-height:38px;padding:8px 16px;font-size:13px}
 [data-material-page] .study-block-picker label>span{display:none}
 [data-material-page] .study-block-picker select{width:146px;min-height:38px;font-size:12px}
 [data-material-page] .study-block-heading{gap:3px 10px;margin:20px 0 12px}
 [data-material-page] .study-block-heading h2{font-size:18px}
 [data-material-page] .study-block-heading p{font-size:11px}
 [data-material-page] .webinar-folder{border-radius:12px}
 [data-material-page] .webinar-folder>summary{padding:16px;grid-template-columns:minmax(0,1fr) 16px;gap:10px}
 [data-material-page] .webinar-folder-title{grid-column:1;gap:5px}
 [data-material-page] .webinar-folder-title>strong{font-size:16px;line-height:1.45}
 [data-material-page] .webinar-folder-title>small{font-size:11px}
 [data-material-page] .webinar-folder-status{grid-column:1;grid-row:2;max-width:none;display:flex;align-items:center;justify-content:flex-start;flex-wrap:wrap;gap:4px 12px;justify-items:start}
 [data-material-page] .webinar-state,[data-material-page] .webinar-folder-status>small{font-size:11px;text-align:left}
 [data-material-page] .folder-chevron{grid-column:2;grid-row:1/3;align-self:center}
 [data-material-page] .webinar-folder-content{padding:16px;gap:15px}
 [data-material-page] .homework-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
 [data-material-page] .homework-top .badge{flex-shrink:0;font-size:10px;max-width:120px;white-space:normal}
 [data-material-page] .homework-files{grid-template-columns:minmax(0,1fr);gap:8px}
 [data-material-page] .homework-pdf,[data-material-page] .solution-file .homework-pdf{padding:12px;min-height:60px;font-size:12px}
 [data-material-page] .task-chips{gap:5px}
 [data-material-page] .task-chips span{min-width:31px;min-height:29px;padding:4px 7px;font-size:11px}
 [data-material-page] .homework-comment{font-size:12px;margin-top:10px}
 [data-material-page] .supplement-ribbon{flex-wrap:wrap;justify-content:flex-start;gap:4px 10px}
 [data-material-page] .solution-sheet-heading{align-items:flex-start;gap:8px;flex-direction:column}
 [data-material-page] .solution-file{align-items:stretch;flex-direction:column;gap:7px}
 [data-material-page] .solution-file .badge{align-self:flex-start;max-width:100%}
 [data-material-page] .study-block-reminder{align-items:flex-start;flex-direction:column}
 [data-material-page] .study-block-reminder>div{width:auto}
 [data-material-page] .study-block-reminder button{flex:none}
}
@media(max-width:360px){
 [data-material-page] .learning-toolbar{align-items:stretch}
 [data-material-page] .study-block-picker{flex:1}
 [data-material-page] .study-block-picker select{width:100%}
 [data-material-page] .webinar-folder>summary,[data-material-page] .webinar-folder-content{padding:14px}
}
@media(prefers-reduced-motion:reduce){
 [data-material-page] *,[data-material-page] *:before,[data-material-page] *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}