/* Step W: lesson 8/9 three-group summary, non-overlapping side criteria,
   single visual blind layer. No changes to save data or lesson 6/7. */
.sim-shell[data-lesson="8"].classroom-stage-ready .play-area,
.sim-shell[data-lesson="9"].classroom-stage-ready .play-area{
  display:grid!important;
  grid-template-columns:clamp(208px,21vw,320px) minmax(0,1fr);
  grid-template-rows:minmax(0,1fr);
  align-items:stretch;
  column-gap:0;
  isolation:isolate;
}
.sim-shell[data-lesson="8"].classroom-stage-ready .play-area #scene-mount,
.sim-shell[data-lesson="9"].classroom-stage-ready .play-area #scene-mount{
  position:relative!important;inset:auto!important;
  grid-column:2;grid-row:1;width:100%;height:100%;
  min-width:0;min-height:0;max-height:100%;
  display:grid!important;place-items:center!important;
  background:#e1e8e5;
}
.lesson-criteria{display:none}
.sim-shell[data-lesson="8"] .lesson-criteria,
.sim-shell[data-lesson="9"] .lesson-criteria{
  display:flex;flex-direction:column;justify-content:center;
  grid-column:1;grid-row:1;min-width:0;min-height:0;
  padding:clamp(12px,2vw,32px);
  background:#f9faf7;border-right:1px solid #d2dfd8;
  color:#213e37;overflow:hidden;
}
.lesson-criteria-overline{font-size:clamp(11px,1.1vw,14px);font-weight:650;letter-spacing:-.025em;color:#53786d}
.lesson-criteria h2{margin:3px 0 clamp(9px,1.4vw,22px);font-size:clamp(24px,2.7vw,39px);line-height:1.12;letter-spacing:-.06em;color:#153e34}
.lesson-criterion{border-top:1px solid #d7e2da;padding:clamp(8px,1.2vw,17px) 0;display:flex;flex-direction:column;gap:2px;min-width:0}
.criterion-kicker{font-size:clamp(12px,1.25vw,17px);line-height:1.22;font-weight:720;color:#395b50;word-break:keep-all}
.lesson-criterion strong{font-size:clamp(35px,3.4vw,55px);line-height:1.12;font-weight:810;letter-spacing:-.055em;color:#115d49;font-variant-numeric:tabular-nums;white-space:nowrap}
.criterion-note{font-size:clamp(11px,1.05vw,14px);color:#65776e}
.criteria-conclusion{margin:clamp(9px,1.6vw,22px) 0 0;font-size:clamp(12px,1.15vw,16px);line-height:1.4;word-break:keep-all;font-weight:620}
.criteria-conclusion b{font-weight:840;color:#0f6b4d}
.criteria-disclaimer{margin:6px 0 0;font-size:clamp(10px,.9vw,12px);color:#81918b;line-height:1.35}

/* Three equal visual groups, gathered in the center instead of 3 huge gaps. */
.sim-shell[data-lesson="8"] .analysis-bar,
.sim-shell[data-lesson="9"] .analysis-bar{padding:8px clamp(12px,2vw,30px)!important}
.sim-shell[data-lesson="8"] .zone-result-panel,
.sim-shell[data-lesson="9"] .zone-result-panel{max-width:1110px;margin:0 auto}
.zone-result-heading{margin-bottom:6px!important;gap:12px;min-height:23px}
.zone-result-heading>strong{font-size:clamp(16px,1.1vw,19px)!important}
.zone-result-heading>small{font-size:clamp(11px,.94vw,13px)!important}
.zone-light-summary{font-size:clamp(13px,1vw,16px)}
.zone-results{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;height:calc(100% - 31px)}
.zone-result{border:1px solid #d7e3dc!important;border-radius:8px;background:#f6f8f5;padding:8px 14px!important;gap:3px;grid-template-rows:auto minmax(0,1fr) auto;box-shadow:0 1px 2px rgb(25 54 40 / .03)}
.zone-name{font-size:clamp(16px,1.2vw,19px);font-weight:800;white-space:nowrap}
.zone-main{align-items:baseline;gap:9px}
.zone-number{font-size:clamp(38px,3.25vw,54px);line-height:1;font-weight:830}
.zone-bright-status{font-size:clamp(14px,1.12vw,17px);font-weight:720}
.zone-outcome{flex-wrap:nowrap;justify-content:space-between;align-items:center;gap:8px;white-space:nowrap}
.zone-glare{font-size:clamp(13px,1.05vw,16px);font-weight:650}
.zone-suitability{font-size:clamp(16px,1.1vw,19px);font-weight:800}
@media(max-width:1110px){
 .zone-results{gap:8px}.zone-result{padding:8px 9px!important}
 .zone-result-heading>small{font-size:11px!important}
 .sim-shell[data-lesson="8"] .zone-suitability,.sim-shell[data-lesson="9"] .zone-suitability{font-size:16px}
}
@media(max-width:780px){
 .sim-shell[data-lesson="8"].classroom-stage-ready .play-area,
 .sim-shell[data-lesson="9"].classroom-stage-ready .play-area{
  grid-template-columns:1fr;grid-template-rows:116px minmax(0,1fr);
 }
 .sim-shell[data-lesson="8"] .lesson-criteria,.sim-shell[data-lesson="9"] .lesson-criteria{
  grid-column:1;grid-row:1;display:grid;grid-template-columns:1.1fr 1fr 1fr;
  align-items:center;gap:8px;padding:7px 14px;border-right:0;border-bottom:1px solid #d2dfd8;
 }
 .lesson-criteria-overline,.criteria-conclusion,.criteria-disclaimer{display:none}
 .lesson-criteria h2{grid-column:1;grid-row:1;margin:0;font-size:23px}
 .lesson-criterion{border-top:0;padding:0;gap:0}
 .criterion-kicker{font-size:11px}.lesson-criterion strong{font-size:31px}.criterion-note{font-size:10px}
 .sim-shell[data-lesson="8"].classroom-stage-ready .play-area #scene-mount,
 .sim-shell[data-lesson="9"].classroom-stage-ready .play-area #scene-mount{grid-column:1;grid-row:2}
 .sim-shell[data-lesson="8"].classroom-stage-ready{grid-template-rows:56px minmax(0,1fr) auto 175px!important}
 .sim-shell[data-lesson="9"].classroom-stage-ready{grid-template-rows:56px minmax(0,1fr) 175px!important}
 .zone-result-heading>small{display:none}
 .zone-results{gap:6px}.zone-result{padding:6px!important}
 .zone-result-heading>strong{font-size:13px!important}
 .zone-name{font-size:12px}.zone-number{font-size:36px}.zone-bright-status{font-size:11px}
 .zone-outcome{display:flex;flex-direction:column;align-items:flex-start;gap:1px}
 .zone-glare{font-size:11px}.zone-suitability{font-size:14px}
}
@media(max-height:700px) and (min-width:781px){
 .lesson-criteria{padding:12px!important}.lesson-criteria h2{margin-bottom:7px}
 .lesson-criterion{padding:5px 0}.lesson-criterion strong{font-size:34px}
 .criteria-conclusion{margin-top:5px}
}

/* Footer reserve at wide desktop: prevent tall cards from entering the lower edge. */
@media(min-width:1400px){
 .sim-shell[data-lesson="8"].classroom-stage-ready,
 .sim-shell[data-lesson="9"].classroom-stage-ready{grid-template-rows:62px minmax(0,1fr) auto 178px!important}
}
@media(max-width:780px){
 .sim-shell[data-lesson="8"] .lesson-criteria,
 .sim-shell[data-lesson="9"] .lesson-criteria{width:100%!important;box-sizing:border-box;justify-self:stretch;align-self:stretch}
}

/* Step X: three explicit inquiry criteria, without inventing an automated
   verdict about waste. The large light count follows the same simulation
   result as the existing 0~3/3 summary. */
.lesson-criterion-energy .criterion-live{display:flex;align-items:baseline;gap:9px;min-width:0}
.lesson-criterion-energy .criterion-live strong{font-size:clamp(31px,3vw,48px);font-variant-numeric:tabular-nums}
.criterion-live-unit{font-size:clamp(12px,1.15vw,16px);font-weight:750;color:#395b50;white-space:nowrap}
.sim-shell[data-lesson="8"] .lesson-criteria,
.sim-shell[data-lesson="9"] .lesson-criteria{gap:0;padding-top:clamp(10px,1.4vw,22px);padding-bottom:clamp(10px,1.4vw,22px)}
.sim-shell[data-lesson="8"] .lesson-criteria h2,
.sim-shell[data-lesson="9"] .lesson-criteria h2{margin-bottom:clamp(5px,.8vw,12px)}
.sim-shell[data-lesson="8"] .lesson-criteria .lesson-criterion,
.sim-shell[data-lesson="9"] .lesson-criteria .lesson-criterion{padding:clamp(6px,.8vw,12px) 0}
.sim-shell[data-lesson="8"] .criteria-conclusion,
.sim-shell[data-lesson="9"] .criteria-conclusion{margin-top:clamp(4px,.7vw,10px);font-size:clamp(11px,1vw,14px)}
@media(max-width:780px){
 .sim-shell[data-lesson="8"].classroom-stage-ready .play-area,
 .sim-shell[data-lesson="9"].classroom-stage-ready .play-area{grid-template-rows:122px minmax(0,1fr)}
 .sim-shell[data-lesson="8"] .lesson-criteria,
 .sim-shell[data-lesson="9"] .lesson-criteria{grid-template-columns:.78fr 1fr 1fr 1.12fr;gap:7px;padding:7px 10px}
 .sim-shell[data-lesson="8"] .lesson-criteria h2,
 .sim-shell[data-lesson="9"] .lesson-criteria h2{font-size:20px;letter-spacing:-.04em}
 .sim-shell[data-lesson="8"] .lesson-criteria .lesson-criterion,
 .sim-shell[data-lesson="9"] .lesson-criteria .lesson-criterion{padding:0;min-width:0}
 .lesson-criterion-energy .criterion-live{gap:3px}
 .lesson-criterion-energy .criterion-live strong{font-size:29px}
 .criterion-live-unit{font-size:10px}
 .lesson-criteria .criterion-kicker{font-size:11px;word-break:keep-all}
 .lesson-criteria .criterion-note{font-size:10px;line-height:1.25}
}
@media(min-width:781px) and (max-height:750px){
 .sim-shell[data-lesson="8"] .lesson-criteria .lesson-criterion,
 .sim-shell[data-lesson="9"] .lesson-criteria .lesson-criterion{padding:5px 0}
 .lesson-criteria h2{font-size:25px!important}
 .lesson-criteria .lesson-criterion strong{font-size:33px!important}
 .lesson-criteria .criterion-live strong{font-size:32px!important}
 .criteria-disclaimer{display:none}
}