.reference-dialog{width:min(1500px,96vw);max-width:1500px;max-height:92vh;padding:24px;border:0;border-radius:18px;background:#fafaf7;color:#28392f;overflow:auto}
.reference-dialog::backdrop{background:#142b2699}
.reference-dialog .section-title{gap:18px;align-items:start}
.reference-dialog h2{margin:22px 0 10px;font-size:19px}
.reference-dialog fieldset{border:0;padding:0;margin:0;min-width:0}
.reference-dialog .reference-controls{display:flex;gap:12px;align-items:end;flex-wrap:wrap}
.reference-dialog .reference-controls label{flex:1;min-width:180px}
.reference-dialog .reference-pages{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px}
.reference-page{border:1px solid #d9ded8;border-radius:12px;padding:12px;width:230px;overflow-wrap:anywhere}
.reference-page img{height:135px;width:100%;object-fit:contain;background:#fff;border-radius:6px}
.reference-page a{color:#235748}
.reference-printed-page{font-weight:600}
.reference-page-form,.reference-continuation-form{display:grid;gap:10px;margin:10px 0}
.reference-page-form label,.reference-continuation-form label{display:grid;gap:5px;min-width:0}
.reference-page-form input,.reference-continuation-form select{width:100%;min-width:0;box-sizing:border-box}
.reference-page-form .checkbox,.reference-continuation-form .checkbox{display:flex;align-items:start;gap:7px}
.reference-page-form .checkbox input,.reference-continuation-form .checkbox input{width:auto}
.reference-pending{padding:12px;background:#fff6e9;border-radius:8px;margin:12px 0}
.reference-rebind-section{margin:16px 0;padding:14px;border:1px solid #d9ded8;border-radius:10px;background:#f1f5ef}
.reference-rebind-section>summary{cursor:pointer;font-weight:600}
.reference-rebind-form{display:grid;gap:10px}
.reference-rebind-form>label{display:grid;gap:6px;min-width:0}
.reference-rebind-form select{width:100%;min-width:0;box-sizing:border-box}
.reference-rebind-form>.checkbox{display:flex;align-items:start;gap:7px}
.reference-rebind-form input[type=checkbox]{width:auto}
.reference-rebind-form>button{justify-self:start}
.reference-rebind-pages{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(200px,100%),1fr));gap:12px}
.reference-rebind-page{display:flex;align-items:start;gap:8px;border:1px solid #d9ded8;border-radius:8px;padding:10px;background:#fff;overflow-wrap:anywhere}
.reference-rebind-page>span{display:grid;gap:5px;min-width:0}
.reference-rebind-page img{display:block;width:100%;height:90px;object-fit:contain}
.reference-entry,.reference-question{background:white;border:1px solid #d9ded8;border-radius:12px;padding:16px;margin:12px 0;overflow-wrap:anywhere}
.reference-entry summary{cursor:pointer;white-space:pre-wrap}
.reference-edit-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin:12px 0}
.reference-edit-grid .wide{grid-column:1/-1}
.reference-dialog textarea{width:100%;box-sizing:border-box}
.reference-dialog .reference-result{font-weight:600;margin-right:12px}
.reference-dialog pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f2f5f0;padding:10px;border-radius:7px;max-height:280px;overflow:auto;font:inherit}
.reference-dialog .reference-error{color:#963e31}
.reference-dialog .reference-job{padding:12px;background:#eef3eb;border-radius:10px;margin:12px 0;white-space:pre-wrap}
.reference-dialog .reference-confirm{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:12px}
.reference-dialog .reference-confirm label{display:flex;gap:5px;align-items:center}
.reference-dialog .reference-confirm input[type=checkbox]{width:auto}
.reference-dialog .reference-confirm select{width:auto}
.reference-dialog .reference-confirm textarea{flex-basis:100%}
.reference-confirm-hints,.reference-confirm-save{flex-basis:100%;width:100%}
.reference-confirm-hints{padding:10px;background:#fff6e9;border-radius:8px;box-sizing:border-box}
.reference-confirm-hints p{margin:4px 0}
.reference-confirm-save{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.reference-confirm-feedback{flex-basis:100%;margin:0;white-space:pre-wrap}
.reference-confirm-feedback:empty{display:none}
.reference-confirmed-note{padding:10px;background:#e5f2e4;border-radius:7px;color:#286337;font-weight:600}
.reference-comparison-history{margin:10px 0}
@media(max-width:700px){.reference-dialog{padding:14px}.reference-edit-grid{grid-template-columns:1fr}.reference-edit-grid .wide{grid-column:auto}.reference-page{width:100%}}
.reference-management,.reference-unmatched{border:1px solid #d9ded8;border-radius:10px;padding:12px;margin:10px 0;background:#f3f5f0}
.reference-dialog h1{font-size:25px;line-height:1.3;margin:0}
.reference-dialog>.section-title p{margin:8px 0 0}
.reference-dialog>p{margin:10px 0}
#referenceStatus:empty{display:none}
.reference-dialog .reference-job{padding:9px 12px;margin:8px 0}
.reference-management>summary,.reference-unmatched>summary,.reference-edit-details>summary{cursor:pointer;font-weight:600}
.reference-compare-controls{padding:10px 0}
.reference-review-summary{margin:10px 0;font-weight:600}
.reference-question-nav{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:12px 0}
.reference-question-nav label{display:flex;align-items:center;gap:8px;flex:1;min-width:190px;white-space:nowrap}
.reference-question-nav select{width:100%;min-width:0}
.reference-current-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.reference-current-heading h2{margin:0;font-size:21px}
.reference-verdict{display:inline-block;padding:7px 10px;border-radius:7px;font-size:14px}
.reference-verdict.is-correct{background:#e5f2e4;color:#286337}
.reference-verdict.is-incorrect{background:#fae9e4;color:#963e31}
.reference-verdict.is-pending{background:#fff1d8;color:#7c551b}
.reference-skip-note{padding:10px;background:#edf7eb;border-radius:7px}
.reference-review-columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;margin-top:16px;align-items:start}
.reference-review-columns>section{min-width:0;padding:14px;border:1px solid #dce2db;border-radius:10px;background:#fafcf8}
.reference-review-columns h3{margin:0 0 12px;font-size:18px}
.reference-review-columns h4{margin:14px 0 8px;font-size:15px}
.reference-evidence-image{display:block;color:#235748;text-decoration:none;min-width:0}
.reference-evidence-image img{width:100%;height:240px;object-fit:contain;background:#fff;border:1px solid #dce2db;border-radius:7px}
.reference-evidence-image span{display:block;font-size:13px;margin-top:5px;overflow-wrap:anywhere}
.reference-source-images{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(150px,100%),1fr));gap:10px;margin:12px 0}
.reference-source-images img{height:185px}
.reference-review-columns pre{max-height:none;overflow:visible;margin:8px 0;line-height:1.6}
.reference-answer-block+.reference-answer-block{border-top:1px solid #dce2db;padding-top:12px;margin-top:18px}
.reference-edit-details{padding:10px 0}
.reference-original-form{display:grid;gap:10px;margin-top:10px}
.reference-original-form label{display:grid;gap:5px}
.reference-original-form input{width:100%;box-sizing:border-box}
.reference-decision{border-top:1px solid #dce2db;margin-top:18px;padding-top:12px}
.reference-decision h3{margin:0 0 10px}
.reference-entry summary .small{display:block;margin-top:5px}
.reference-dialog .reference-question{margin:12px 0}
@media(max-width:760px){.reference-review-columns{grid-template-columns:1fr}.reference-evidence-image img{height:270px}.reference-question-nav label{order:-1;flex-basis:100%}.reference-current-heading h2{font-size:18px}}

/* Reference teaching workflow; legacy grading remains an optional tool. */
#referenceAlignment{padding-bottom:16px}
#referenceAlignment>.reference-entry{border-color:#e8d3a9;background:#fffdf7}
.reference-alignment-form{display:grid;gap:12px;margin-top:14px}
.reference-alignment-form label{display:grid;gap:6px}
.reference-alignment-form .checkbox{display:flex;align-items:start;gap:8px}
.reference-alignment-form .checkbox input{width:auto;margin-top:4px}
.reference-alignment-form button{justify-self:start}
.reference-alignment-form details>label{margin-top:12px}
#referenceComparison{border-top:1px solid #d9ded8;margin-top:18px;padding-top:16px}
#referenceComparison>summary,#referenceManagement>summary{cursor:pointer;font-weight:600}