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@media(max-width:980px){.planner-modal{max-width:100%}.lesson-timing{padding:20px}.lesson-timing-head{align-items:flex-start}.duration-parts span{font-size:10px}.selected-topic{font-size:11px}}
@media(max-width:560px){.planning-explainer{padding:19px;display:block}.planning-explainer h3{font-size:13px;line-height:1.7}.planning-explainer p{font-size:11px}.planning-explainer .linkbtn{margin-top:15px}.planner-fields{gap:12px}.availability-head{grid-template-columns:1fr 1fr;gap:10px}.availability-head span:first-child{display:none}.availability-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:9px;padding:13px 0}.availability-row label{grid-column:1/-1;margin-bottom:2px}.availability-row input[inputmode=numeric]{width:100%;padding:10px!important}.plan-preview{padding:17px}.plan-preview .preview-row{font-size:11px;align-items:flex-start}.plan-preview h3{font-size:14px}.plan-preview .btn{font-size:11px}.lesson-timing{padding:20px 16px}.lesson-timing-head{display:block}.lesson-timing-head .linkbtn{margin-top:12px}.lesson-timing h3{font-size:13px;line-height:1.6}.duration-parts{grid-template-columns:1fr 1fr;gap:8px}.duration-parts>div{padding:9px 10px}.duration-parts span{font-size:10px}.study-actions{gap:12px}.study-actions>span{min-width:130px}.study-actions .linkbtn{width:100%;min-height:30px}.lesson-timing p{font-size:10px}.agenda-row{display:grid;grid-template-columns:50px 34px minmax(0,1fr);gap:10px}.agenda-row .agenda-controls{grid-column:3;flex-direction:row;align-items:center;gap:10px;flex-wrap:wrap}.agenda-row .agenda-detail{min-width:0}.agenda-row .agenda-detail h3{font-size:12px;overflow-wrap:anywhere}.agenda-row .agenda-detail p{font-size:10px;line-height:1.7}.agenda-row .agenda-time{min-width:0}.explicit-time b{font-size:12px}.explicit-time span{font-size:9px}.weeknav{gap:7px}.weeknav b{font-size:10px}.weeknav button{width:25px;height:25px}.schedule-grid>.section-head{gap:7px}.material-selection{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px;padding:16px}.material-selection select{width:100%;min-width:0}.selected-topic{grid-column:1/-1;border:0;padding:7px 0 0}.format-options .btn{font-size:10px;padding:10px 12px}.material-actions .btn{font-size:10px}.material-check{font-size:9px}.material-top{flex-wrap:wrap;gap:9px}.material-top .tiny{text-align:left}.time-explanation{font-size:10px}.week-lesson b{font-size:11px}.week-lesson .linkbtn{white-space:nowrap;font-size:11px}.rhythm-summary{gap:20px}.home-aside .card.pad{display:block}.resource p{font-size:12px!important}.resource .source-author{font-size:10px!important}}

.lesson-layout{grid-template-columns:minmax(0,1fr) 248px;align-items:start;gap:22px}.lesson-media{padding:25px;overflow:hidden}.lesson-media-heading h2{font-size:26px;line-height:1.2;margin:9px 0}.lesson-media-heading>p{font-size:13px;margin-bottom:19px;color:#7a8498;max-width:650px}.inline-video{width:100%;aspect-ratio:16/9;min-height:220px;background:#19263b;border-radius:13px;overflow:hidden}.inline-video iframe{display:block;width:100%;height:100%;border:0;min-height:220px}.video-caption{padding:14px 0 5px}.video-caption>span{display:flex;align-items:flex-start;gap:7px;font-size:12px}.video-caption .icon{width:16px;height:16px;color:#3759db;margin-top:2px}.video-caption>small{display:block;color:#7a8498;font-size:11px;line-height:1.6;margin:5px 0 0 23px}.lesson-format-actions{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 22px}.lesson-format-actions .btn{min-height:45px}.alternative-videos{border-top:1px solid #e9ecf2;padding-top:18px}.alternative-videos>span{display:block;font-size:11px;color:#7a8498;margin-bottom:10px}.alternative-videos>div{display:grid;grid-template-columns:1fr 1fr;gap:10px}.video-choice{display:flex;align-items:flex-start;text-align:left;gap:8px;background:#fff;border:1px solid #e1e6f0;border-radius:11px;padding:12px;min-width:0}.video-choice.selected{border-color:#8fa6ef;background:#f3f6ff}.video-choice>.icon{width:16px;height:16px;color:#3759db;margin-top:2px}.video-choice>span{min-width:0;flex:1}.video-choice b{display:block;font-size:11px;line-height:1.6;font-weight:600}.video-choice small{display:block;font-size:10px;color:#7a8498;margin-top:3px;overflow-wrap:anywhere}.video-choice i{color:#3759db;font-size:9px;font-style:normal;white-space:nowrap}.video-help{margin-top:16px;font-size:11px;color:#7a8498}.video-help summary{cursor:pointer;padding:8px 0}.video-help p{font-size:11px;line-height:1.8;margin:7px 0 12px}.inline-lesson-text{scroll-margin-top:22px;margin-top:24px;border-top:1px solid #e1e6f0;padding-top:24px;outline:none}.inline-lesson-text[hidden]{display:none}.text-section-title{display:flex;justify-content:space-between;align-items:center;gap:12px}.text-section-title h3{font-size:21px;margin-top:7px}.inline-lesson-text .math-visual{margin-top:22px}.inline-lesson-text>h3{font-size:17px;margin:22px 0 12px}.inline-lesson-text p,.inline-lesson-text li{font-size:14px;line-height:1.85}.inline-lesson-text ol{padding-left:23px;margin:12px 0 17px}.inline-lesson-text li{padding-left:5px;margin:8px 0}.inline-lesson-text>p{margin:12px 0}.inline-lesson-text pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f4f6fb;border-radius:10px;padding:17px;font-size:13px;margin:16px 0}.inline-lesson-text>a{margin-top:16px}.text-source{display:block;margin-top:9px;font-size:10px;color:#7a8498}.lesson-media>.lesson-bottom{margin-top:26px;padding-top:22px;border-top:1px solid #e9ecf2}.lesson-media>.lesson-bottom>.muted{font-size:11px}.compact-timing{padding:13px 17px;margin-bottom:18px;border-radius:11px}.compact-timing .lesson-timing-head>span{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12px}.compact-timing .lesson-timing-head .icon{width:16px;height:16px;color:#677d9f}.compact-timing .lesson-timing-head small{font-size:10px;color:#7a8498}.compact-timing details>summary{font-size:10px;color:#60769c;cursor:pointer;padding-top:8px}.compact-timing details>p{font-size:11px;line-height:1.8;margin-top:12px}.video-not-selected{padding:25px;background:#f3f6ff;border:1px dashed #c8d3ef;border-radius:13px}.video-not-selected h3{margin:14px 0 9px}.video-not-selected p{font-size:12px;line-height:1.8;margin-bottom:16px}
@media(max-width:1100px){.lesson-layout{grid-template-columns:minmax(0,1fr)}.lesson-layout>aside{display:block}.lesson-format-actions{margin-bottom:18px}.alternative-videos>div{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.lesson-media{padding:18px 15px}.lesson-media-heading h2{font-size:23px;line-height:1.25}.lesson-media-heading>p{font-size:12px;line-height:1.7;margin-bottom:16px}.inline-video{border-radius:10px;min-height:210px}.inline-video iframe{min-height:210px}.video-caption>span{font-size:11px}.video-caption>small{font-size:10px}.lesson-format-actions{display:grid;grid-template-columns:1fr;gap:9px;margin-top:14px}.lesson-format-actions .btn{font-size:12px;min-height:44px;width:100%}.alternative-videos>div{grid-template-columns:1fr}.video-choice{padding:12px}.video-choice b{font-size:12px}.inline-lesson-text p,.inline-lesson-text li{font-size:14px}.inline-lesson-text .math-visual{gap:9px;padding:16px 10px}.inline-lesson-text .math-block b{font-size:19px}.inline-lesson-text .math-block small{font-size:9px}.text-section-title h3{font-size:19px}.compact-timing{padding:12px 14px}.compact-timing .lesson-timing-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.compact-timing .lesson-timing-head .linkbtn{margin:0;font-size:10px}.compact-timing .lesson-timing-head>span{font-size:11px;gap:5px}.compact-timing details>summary{font-size:11px;padding-top:10px}.lesson-media>.lesson-bottom{gap:15px;align-items:stretch;flex-direction:column}.lesson-media>.lesson-bottom .btn{width:100%}.video-not-selected{padding:20px 16px}.lesson-toolbar{margin-bottom:15px}.backbtn{margin-bottom:15px}}


@media(max-width:600px){.lesson-format-actions{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);margin:13px 0 17px;gap:8px}.lesson-format-actions .btn{font-size:11px;line-height:1.5;padding:9px 10px;min-height:48px}.lesson-format-actions .btn .icon{width:15px;height:15px}.lesson-media-heading>p{margin-bottom:0}}