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/* Model-generated evidence shares the same calm, tactile presentation. */
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#stageScore{font-size:.7rem;color:#527066;margin:0}
.computer-progress{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
.computer-progress button,.computer-progress button[aria-current="false"]{display:flex;gap:7px;align-items:center;text-align:left;width:100%;min-height:46px;height:auto;border-radius:9px;padding:7px 8px;background:#fdfef5;color:#2b584e;border:1px solid #c9dacb;line-height:1.2;font-size:.69rem}
.computer-progress button[aria-current=step]{background:#dceddf;color:#174d43;border-color:#56927b;box-shadow:inset 0 0 0 1px #56927b}
.computer-progress button>span{display:grid;place-items:center;min-width:23px;width:23px;height:23px;border-radius:50%;background:#e2eadb;color:#26564d;font-weight:800}
.computer-progress button[data-understood=true]>span{background:#c1ebcb;color:#125d40}
.computer-progress button>small{display:block;font-size:.67rem;font-weight:760;line-height:1.25}
.computer-diagram-dialog{width:min(1080px,96vw);max-width:96vw;border:1px solid #b4cabe;border-radius:18px;padding:15px;background:#fffdf1;color:#17483e;box-shadow:0 22px 80px #12251e66}
.computer-diagram-dialog::backdrop{background:#0f2424c9}
.diagram-dialog-head{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:8px}
.computer-diagram-dialog svg{display:block;width:100%;height:auto;max-height:72vh;aspect-ratio:1.9;background:#f8f6ec;border-radius:12px}
.workbench-next{outline:3px solid #e7b735!important;outline-offset:3px;box-shadow:0 0 0 6px #ffe99166}
@media(max-width:1050px){
 .computer-layout{grid-template-columns:minmax(0,1fr) 285px;gap:13px}
 .workbench-evidence{grid-template-columns:repeat(2,minmax(0,1fr))}
 .workbench-evidence>div:nth-child(2){border-right:0}
 .workbench-evidence>div:nth-child(-n+2){border-bottom:1px solid #d5e1d5}
}
@media(max-width:900px){
 .computer-layout{display:flex;flex-direction:column}
 .computer-apparatus,.computer-lesson-panel{width:100%}
 .computer-lesson-panel{position:static}
 .computer-stage{height:clamp(295px,50vw,390px)}
 .workbench-evidence{grid-template-columns:repeat(4,minmax(0,1fr))}
 .workbench-evidence>div:nth-child(2){border-right:1px solid #d5e1d5}
 .workbench-evidence>div:nth-child(-n+2){border-bottom:0}
 .computer-progress{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media(max-width:700px){
 .computer-layout{gap:12px}
 .computer-stage{height:clamp(255px,74vw,350px)}
 .workbench-mobile-question{display:block;padding:9px 14px;margin:0;background:#fff3c9;color:#214c41;font-size:.88rem;line-height:1.35;font-weight:850}
 .workbench-bar{padding:12px;gap:8px}
 .workbench-bar h2{font-size:.79rem}
 .workbench-actions{display:grid;grid-template-columns:1fr;gap:7px}
 .workbench-input{min-width:0;justify-content:space-between}
 .workbench-input input{max-width:none}
 .workbench-run-actions{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px}
 .workbench-run-actions button{padding:8px 3px;font-size:.66rem;min-width:0;min-height:46px;white-space:normal}
 .workbench-run-actions button:first-child{background:#196d61;color:white}
 .workbench-evidence{grid-template-columns:repeat(2,minmax(0,1fr))}
 .workbench-evidence>div:nth-child(2){border-right:0}
 .workbench-evidence>div:nth-child(-n+2){border-bottom:1px solid #d5e1d5}
 .workbench-evidence strong,.workbench-evidence span{font-size:.72rem}
 .computer-progress{grid-template-columns:repeat(2,minmax(0,1fr))}
 .computer-progress button,.computer-progress button[aria-current=step]{min-height:48px}
 .scene-view-actions{max-width:150px}
 .scene-view-actions button{font-size:.66rem}
 .computer-diagram-dialog{padding:9px}
 .computer-diagram-dialog svg{max-height:65vh}
}
@media(prefers-reduced-motion:reduce){.workbench-next{transition:none}}


/* Executable repair-and-build activities and account-scoped notebook comparisons. */
.project-challenges{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:16px}
.project-challenge-card{display:flex;flex-direction:column;gap:12px;min-width:0}
.project-challenge-card h3{font-size:1.05rem;color:#245347;margin:0}
.project-challenge-card p{font-size:.8rem;line-height:1.55;margin:0}
.project-challenge-card label,.notebook-compare label{font-weight:800;font-size:.77rem;color:#214c42}
.project-challenge-card select,.notebook-compare select{width:100%;min-width:0;min-height:44px;border:1px solid #b1cabc;border-radius:10px;background:#fffef7;color:#214c42;font-size:.85rem;padding:9px}
.project-challenge-actions{display:flex;flex-wrap:wrap;gap:8px}
.project-challenge-actions button{flex:1;min-height:44px;font-size:.76rem;line-height:1.25}
.project-challenge-card>button{min-height:44px}
.project-challenge-card details{font-size:.75rem;color:#42665a}
.project-challenge-card summary{cursor:pointer;padding:8px 2px;font-weight:800}
.project-challenge-card details p{padding:8px 0}
#repairResult,#buildFeedback{font-size:.79rem;min-height:1.3em;color:#6a5a34}
#repairResult[data-passed=true]{color:#14724f;font-weight:800}
.notebook-compare{margin-top:16px;display:grid;gap:12px;min-width:0}
.notebook-compare h3{font-size:1.05rem;color:#214c42}
.notebook-compare p{font-size:.78rem;color:#527267}
.notebook-compare button{justify-self:start;min-height:44px}
.notebook-compare .compare-table{width:100%;max-width:100%;font-size:.78rem}
.notebook-compare .compare-table caption{font-size:.7rem;color:#4a655c;text-align:left;margin-bottom:9px}
.notebook-compare .compare-table .is-changed{background:#fff1c8}
@media(max-width:700px){.project-challenges{grid-template-columns:1fr;gap:12px}.project-challenge-card{padding:14px}.notebook-compare{padding:12px}.project-challenge-actions button{min-width:120px}}