/* One lesson room. Three clear sections. Existing instruction in readable cards. */
#modal.lesson-room-v22[open]{display:flex;flex-direction:column}
#modal.lesson-room-v22{width:min(1080px,calc(100vw - 48px));max-width:1080px;height:min(850px,94dvh);max-height:94dvh;padding:25px 28px 0;border:0;border-radius:21px;background:#f1f2e9;color:#294033;overflow:hidden;box-shadow:0 25px 100px #071c1966}
#modal.lesson-room-v22::backdrop{background:#07191399;backdrop-filter:blur(9px)}
.lesson-room-v22>.modal-heading{flex:none;display:flex;align-items:center;gap:20px;margin:0 0 12px;padding:0;border:0;background:none}.lesson-room-v22>.modal-heading h2{font:600 29px/1.1 var(--sans);letter-spacing:-.04em;color:#253d30;margin:0;max-width:860px}.lesson-room-v22>.modal-heading .icon-button{flex:none;width:44px;height:44px;min-height:44px;min-width:44px;padding:10px;background:#dfe7d9;border:0;border-radius:50%;color:#2e4e38}
.lesson-room{display:flex;flex-direction:column;flex:1;min-height:0;min-width:0}.lesson-room-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;flex:none;font:11px/1.5 var(--sans);color:#6d806c;padding-bottom:17px}.lesson-room-meta>span:last-child{white-space:nowrap}
.lesson-chapter-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;flex:none;padding:6px;margin-bottom:17px;background:#e0e6d9;border:0;border-radius:13px}.lesson-chapter-tabs>button{display:flex;align-items:center;justify-content:center;gap:12px;min-height:46px;border:0;border-radius:9px;background:none;color:#637c65;font:600 14px/1.2 var(--sans);padding:12px;cursor:pointer}.lesson-chapter-tabs>button>span{font:600 10px/1 var(--sans);color:#83977c}.lesson-chapter-tabs>button[aria-pressed=true]{background:#fcfcf4;color:#244b35;box-shadow:0 2px 6px #1b382b0d}.lesson-chapter-tabs>button[aria-pressed=true]>span{color:#4a8d66}
.lesson-room-scroll{flex:1;min-height:0;overflow:auto;overscroll-behavior-y:contain;scrollbar-width:thin;scrollbar-color:#a8baa1 transparent;padding:0 3px 22px}.lesson-room-chapter{min-width:0}.lesson-room-chapter[hidden]{display:none!important}.lesson-room-chapter:focus{outline:0}.lesson-watch-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(240px,.85fr);gap:18px;align-items:start}.lesson-visual-card{padding:13px;border:1px solid #dce3d4;border-radius:16px;background:#fafbf2;overflow:hidden}.lesson-room-v22 .lesson-media{padding:0;border:0;background:none;margin:0}.lesson-room-v22 .media-tabs{display:grid;grid-template-columns:1fr 1fr;gap:5px;background:#e8ece1;padding:4px;border:0;border-radius:9px;margin:0 0 12px}.lesson-room-v22 .media-tabs>button{min-height:42px;justify-content:center;display:flex;align-items:center;gap:7px;font:500 12px var(--sans);background:none;border:0;color:#617c62;padding:10px 8px;border-radius:6px}.lesson-room-v22 .media-tabs>button.selected{background:#fafbf4;color:#264f37}.lesson-room-v22 .media-tabs svg{width:17px;height:17px}.lesson-room-v22 .technique-video{border-radius:10px;overflow:hidden}.lesson-room-v22 .media-credit{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:12px 2px 0;border:0;font:10px/1.6 var(--sans);color:#7a8b72}.lesson-room-v22 .media-credit>a{color:#4c7954;font:11px/1.5 var(--sans);text-align:right;max-width:160px}.lesson-room-v22 .motion-demo{border-radius:10px;overflow:hidden}.lesson-room-v22 .demo-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:10px}.lesson-room-v22 .demo-controls>button{min-height:40px;font-size:12px}.lesson-room-v22 .demo-controls>span{font-size:11px}
.lesson-focus-card{padding:24px;border:1px solid #d8e2d0;border-radius:16px;background:#f9fbf1}.lesson-focus-card>span,.lesson-plan-heading>span{font:600 10px/1.4 var(--sans);letter-spacing:.09em;color:#7d9477}.lesson-focus-card h3{font:600 28px/1.12 var(--sans);letter-spacing:-.04em;color:#294932;margin:13px 0 17px}.lesson-focus-card>p{font:16px/1.6 var(--sans);color:#5f765f;margin:0}.lesson-focus-card>div{padding:18px 0;margin:20px 0;border-top:1px solid #dbe4d3;border-bottom:1px solid #dbe4d3}.lesson-focus-card>div>small{font:600 9px/1.5 var(--sans);letter-spacing:.07em;color:#839a7a}.lesson-focus-card>div>strong{display:block;font:600 19px/1.35 var(--sans);color:#32543b;margin-top:9px}.lesson-focus-card .lesson-reference-note{font:12px/1.65 var(--sans);color:#829378}
.lesson-room-v22 .stance-companion{background:#fafbf3;border:1px solid #d9e2cf;border-radius:17px;padding:24px;margin:0;color:#2f4c38}.lesson-room-v22 .stance-heading>div>span{font:600 10px/1.5 var(--sans);color:#7a9271;letter-spacing:.08em}.lesson-room-v22 .stance-heading h3{font:600 30px/1.1 var(--sans);letter-spacing:-.04em;color:#2b4934;margin:9px 0 19px}.lesson-room-v22 .stance-perspective{font:10px/1.5 var(--sans);color:#82967a}.lesson-room-v22 .stance-controls{gap:12px;margin-bottom:14px}.lesson-room-v22 .stance-controls>div{border:0;background:#e4eadb;padding:4px;gap:3px;border-radius:9px}.lesson-room-v22 .stance-controls button{font:500 12px var(--sans);color:#67815f;min-height:42px;border-radius:6px;padding:10px 14px}.lesson-room-v22 .stance-controls button[aria-pressed=true]{background:#fcfcf4;color:#2a563b}.lesson-room-v22 .selected-posture-stage{border-radius:13px;margin:0;background:linear-gradient(135deg,#e6ecdc,#d3dfc8);border:0;min-height:0}.lesson-room-v22 .selected-posture-figure{height:280px}.lesson-room-v22 .selected-posture-caption{color:#405f41}.lesson-room-v22 .selected-posture-caption>span{color:#748c6b}.lesson-room-v22 .selected-posture-caption>strong{color:#294f34}.lesson-room-v22 .stance-diagram{height:300px;max-height:300px;background:#1c3226;border-radius:12px;margin:0}.lesson-room-v22 .stance-key{padding-top:13px;border-top:0;font:10px/1.5 var(--sans);color:#6d8664;gap:12px}.lesson-room-v22 .stance-key>span:first-child>i{background:#5d9875}.lesson-room-v22 .stance-companion h4{font:600 23px/1.2 var(--sans);letter-spacing:-.025em;color:#2d5037;margin:22px 0 16px}.lesson-room-v22 .stance-companion ol{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:0;padding:0;list-style:none;counter-reset:stance-cue}.lesson-room-v22 .stance-companion li{display:block;position:relative;padding:43px 16px 17px;background:#eaf0e1;border:1px solid #d6e2cb;border-radius:11px;font:14px/1.55 var(--sans);color:#506e4f;counter-increment:stance-cue;min-width:0}.lesson-room-v22 .stance-companion li:before{content:'0' counter(stance-cue);position:absolute;left:16px;top:15px;font:600 11px/1 var(--sans);color:#7d9971}.lesson-room-v22 .stance-source{border:0;margin-top:20px;padding-top:0;display:flex;justify-content:space-between;gap:22px;font:11px/1.6 var(--sans);color:#819477}.lesson-room-v22 .stance-source>a{font:500 11px/1.5 var(--sans);color:#40734c;white-space:nowrap}
.lesson-plan-heading{margin:6px 0 22px}.lesson-plan-heading h3{font:600 30px/1.1 var(--sans);letter-spacing:-.04em;color:#2b4934;margin:12px 0}.lesson-plan-heading p{font:16px/1.6 var(--sans);color:#687e62;margin:0;max-width:640px}.lesson-plan-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:14px}.lesson-plan-facts>div{padding:20px;background:#f9fbf1;border:1px solid #dbe4d1;border-radius:13px}.lesson-plan-facts strong{display:block;font:600 30px/1 var(--sans);letter-spacing:-.035em;color:#315b3d}.lesson-plan-facts strong>small{font:500 14px/1 var(--sans);letter-spacing:0}.lesson-plan-facts>div>span{display:block;margin-top:10px;font:12px/1.4 var(--sans);color:#7b9170}.lesson-equipment-card{display:flex;align-items:flex-start;gap:15px;border:1px solid #d8e4ce;border-radius:13px;background:#e6efdc;padding:20px 22px;margin:0 0 18px}.lesson-equipment-card>span{font-size:23px;color:#6e9664}.lesson-equipment-card h4{font:600 16px/1.3 var(--sans);color:#385c3b;margin:0 0 8px}.lesson-equipment-card p{font:15px/1.6 var(--sans);color:#68835e;margin:0}.lesson-instruction-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;list-style:none;margin:0;padding:0}.lesson-instruction-cards>li{display:flex;align-items:flex-start;gap:17px;padding:25px 23px;background:#fafbf3;border:1px solid #dce4d3;border-radius:15px;min-width:0}.lesson-instruction-number{font:600 12px/1 var(--sans);color:#8ba07d;padding-top:3px;flex:none}.lesson-instruction-cards h4{font:600 21px/1.16 var(--sans);letter-spacing:-.025em;color:#2d5137;margin:0 0 12px}.lesson-instruction-cards p{font:15px/1.65 var(--sans);color:#698063;margin:0}.lesson-target-card{padding:25px;background:#dcebd3;border:1px solid #c7dabc;border-radius:15px;margin-top:18px}.lesson-target-card>span{font:600 9px/1.5 var(--sans);letter-spacing:.07em;color:#7d9770}.lesson-target-card h4{font:600 25px/1.2 var(--sans);letter-spacing:-.025em;color:#315a3b;margin:12px 0}.lesson-target-card p{font:14px/1.6 var(--sans);color:#6e885f;max-width:680px;margin:0}
.lesson-room-footer{flex:none;display:flex;align-items:center;justify-content:space-between;gap:18px;margin:0 -28px;padding:16px 28px;background:#f4f5ed;border-top:1px solid #d7e0cf;z-index:3}.lesson-room-position{display:block;font:600 12px/1.4 var(--sans);color:#44633e;min-width:80px}.lesson-room-position>small{display:block;font:12px/1.4 var(--sans);font-weight:400;color:#8b9d7f;margin-top:5px}.lesson-room-footer>div{display:flex;align-items:center;justify-content:flex-end;gap:12px}.lesson-room-back{min-height:48px;padding:13px 17px;background:none;border:1px solid #c9d7be;border-radius:10px;font:500 14px var(--sans);color:#6d8663;cursor:pointer}.lesson-room-next{min-height:48px;min-width:170px;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:14px 20px;background:#b1dfc5;border:0;border-radius:11px;font:600 15px/1.25 var(--sans);color:#2b573c;cursor:pointer}.lesson-room-next>span{font-size:20px}.lesson-room-v22 :is(button,a):focus-visible{outline:3px solid #58aa7b;outline-offset:3px}
@media(max-width:700px){
 #modal.lesson-room-v22{width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;margin:0;padding:17px 15px 0;border-radius:0}
 .lesson-room-v22>.modal-heading{margin-bottom:10px;gap:15px}.lesson-room-v22>.modal-heading h2{font-size:25px;line-height:1.1;max-width:calc(100vw - 90px)}.lesson-room-meta{font-size:10px;gap:9px;padding-bottom:12px}
 .lesson-chapter-tabs{gap:3px;padding:4px;margin-bottom:12px;border-radius:11px}.lesson-chapter-tabs>button{font-size:12px;min-height:48px;padding:10px 5px;gap:5px}.lesson-chapter-tabs>button>span{font-size:9px}
 .lesson-room-scroll{padding:0 0 17px}.lesson-watch-grid{grid-template-columns:1fr;gap:13px}.lesson-visual-card{padding:10px;border-radius:13px}.lesson-focus-card{padding:21px}.lesson-focus-card h3{font-size:27px;margin:12px 0 15px}.lesson-focus-card>p{font-size:16px}.lesson-focus-card>div{padding:15px 0;margin:16px 0}.lesson-focus-card>div>strong{font-size:19px}.lesson-room-v22 .media-credit{font-size:9px}.lesson-room-v22 .media-credit>a{font-size:10px}.lesson-room-v22 .media-tabs>button{font-size:11px;min-height:43px}.lesson-room-v22 .play-technique strong{font-size:20px}.lesson-room-v22 .play-technique small{font-size:11px}
 .lesson-room-v22 .stance-companion{padding:18px 15px;border-radius:13px}.lesson-room-v22 .stance-heading h3{font-size:26px;margin-bottom:17px}.lesson-room-v22 .stance-controls{display:grid;grid-template-columns:1fr;gap:8px}.lesson-room-v22 .stance-controls>div{display:grid;grid-template-columns:1fr 1fr}.lesson-room-v22 .stance-controls button{min-height:44px;font-size:13px;padding:10px}.lesson-room-v22 .selected-posture-figure{height:255px}.lesson-room-v22 .stance-companion ol{grid-template-columns:1fr;gap:8px}.lesson-room-v22 .stance-companion li{padding:17px 16px 17px 46px;font-size:15px;line-height:1.6}.lesson-room-v22 .stance-companion li:before{left:15px;top:21px}.lesson-room-v22 .stance-key{font-size:9px}.lesson-room-v22 .stance-source{display:block;font-size:11px}.lesson-room-v22 .stance-source>a{display:inline-block;margin-top:13px;min-height:35px;padding:8px 0;font-size:12px}.lesson-room-v22 .stance-diagram{height:auto;max-height:260px}
 .lesson-plan-heading h3{font-size:28px}.lesson-plan-heading p{font-size:16px}.lesson-plan-facts{gap:7px}.lesson-plan-facts>div{padding:17px 11px;border-radius:11px}.lesson-plan-facts strong{font-size:26px}.lesson-plan-facts strong>small{font-size:11px}.lesson-plan-facts>div>span{font-size:10px;line-height:1.4}.lesson-equipment-card{padding:19px 16px;gap:11px}.lesson-equipment-card p{font-size:15px}.lesson-instruction-cards{grid-template-columns:1fr;gap:11px}.lesson-instruction-cards>li{padding:23px 18px;gap:13px}.lesson-instruction-cards h4{font-size:22px}.lesson-instruction-cards p{font-size:16px;line-height:1.65}.lesson-target-card{padding:22px 19px}.lesson-target-card h4{font-size:24px}.lesson-target-card p{font-size:15px;line-height:1.65}
 .lesson-room-footer{margin-inline:-15px;padding:12px 15px calc(12px + env(safe-area-inset-bottom));gap:10px}.lesson-room-position{font-size:11px;min-width:55px}.lesson-room-position>small{font-size:10px;margin-top:4px}.lesson-room-footer>div{gap:7px}.lesson-room-back{min-height:48px;padding:12px 11px;font-size:12px}.lesson-room-next{min-width:139px;min-height:48px;gap:14px;padding:12px 14px;font-size:13px}.lesson-room-next>span{font-size:17px}
}
@media(max-width:360px){.lesson-room-next{min-width:125px;padding-inline:11px;font-size:12px}.lesson-room-back{padding-inline:9px;font-size:11px}.lesson-room-footer>div{gap:5px}.lesson-room-position{min-width:48px}.lesson-chapter-tabs>button{font-size:11px;gap:4px}.lesson-chapter-tabs>button>span{display:none}.lesson-room-meta{font-size:9px}}
#modal.lesson-room-v22{background:#f1f2e9!important}#modal.lesson-room-v22>.modal-heading{background:transparent!important}#modal.lesson-room-v22>.modal-heading h2{color:#253d30!important}