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svg{width:15px;height:15px}.import-row{margin-top:17px}.import-label{cursor:pointer}.library-search{background:#fff;border:1px solid #e3e7e5;padding:10px 15px;border-radius:8px;display:flex;gap:12px;align-items:center;margin-bottom:27px}.library-search svg{width:19px;height:19px;color:#9ba6ac}.library-search input{flex:1;border:0;outline:0;min-width:0;font-size:13px;padding:10px 0}.library-search select{border:0;border-left:1px solid #e8eae7;outline:0;padding:10px 13px;color:#485e6e;background:#fff;font-size:12px}.library-group{margin:0 0 28px}.library-group-head{display:flex;align-items:center;gap:13px;margin-bottom:12px}.library-group-head h3{font:400 23px var(--serif);margin:0}.library-group-head span{font-size:10px;color:#9da6a9;letter-spacing:1px}.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(205px,1fr));gap:9px}.topic-tile{background:#fff;border:1px solid #e7eae8;border-radius:7px;padding:16px;display:flex;flex-direction:column;align-items:flex-start;gap:14px;text-align:left;min-height:117px}.topic-tile:hover{border-color:#bcaa82;background:#fffef9}.topic-tile-label{font-weight:700;font-size:12px;color:#2f4556;line-height:1.4}.topic-tile-bottom{width:100%;display:flex;align-items:center;justify-content:space-between;font-size:10px;color:#9aa4aa}.topic-tile-bottom b{font-size:16px;color:#b7a173;font-weight:400}.curriculum-footnote{border-top:1px solid #e1e5e2;padding-top:18px;color:#97a1a7;font-size:11px;line-height:1.7}.toast{position:fixed;bottom:22px;right:25px;background:#203d54;color:#fff;font-size:12px;border-radius:8px;padding:13px 18px;box-shadow:0 10px 30px #142c4250;opacity:0;transform:translateY(12px);pointer-events:none;transition:all .2s;z-index:35;max-width:400px}.toast.visible{opacity:1;transform:none}#printArea{display:none}
@media(max-width:1170px){.sidebar{width:214px;flex-basis:214px}.page-padding{padding:29px 28px 55px}.topbar{padding:0 28px}.hero-copy{width:67%;padding:44px 33px}.hero-art{left:50%}.studio-layout{grid-template-columns:245px minmax(0,1fr)}.builder-layout{grid-template-columns:285px minmax(0,1fr)}.control-card{padding:17px}.results-top{align-items:flex-start;flex-direction:column}.result-actions{margin-top:4px}.topbar-end{gap:12px}}@media(max-width:870px){.sidebar{position:fixed;transform:translateX(-100%);transition:transform .2s;box-shadow:0 10px 40px #0c243544}.sidebar.open{transform:none}.mobile-menu{display:grid;margin-left:-10px}.topbar{padding:0 21px;height:67px}.page-padding{padding:24px 20px 55px}.hero-copy{width:75%}.hero-art{opacity:.5}.builder-layout{grid-template-columns:280px minmax(0,1fr)}.pill-outline{display:none}.micro-deco{display:none}}@media(max-width:690px){.topbar-end .tiny-available,.ghost-top{display:none}.top-create{padding:10px;font-size:11px}.hero{min-height:350px}.hero-copy{width:100%;padding:39px 25px}.hero-art{left:23%;opacity:.18}.hero h1{font-size:45px}.hero p{max-width:380px}.feature-grid{grid-template-columns:1fr}.feature-card{min-height:180px}.feature-card h3{margin-top:14px}.home-bottom{grid-template-columns:1fr}.studio-layout,.builder-layout{grid-template-columns:1fr}.builder-controls{display:grid;grid-template-columns:1fr 1fr;gap:10px}.builder-printbar{bottom:0}.page-title-row{align-items:flex-start;flex-direction:column}.preview-stats{gap:8px}.site-footer{flex-direction:column;gap:8px}}@media(max-width:510px){.builder-controls{grid-template-columns:1fr}.page-padding{padding:20px 14px 48px}.topbar{padding:0 16px}.topbar-end{gap:0}.hero h1{font-size:39px}.hero-actions{flex-direction:column;align-items:flex-start}.section-heading h2{font-size:25px}.builder-header-actions{width:100%}.results-top,.preview-head{flex-direction:column;align-items:flex-start}.builder-printbar{flex-direction:column;align-items:stretch;gap:12px}.printbar-buttons>*{flex:1}.question-tools{flex-wrap:wrap}.library-search{flex-wrap:wrap}.library-search input{width:calc(100% - 40px);flex:1}.library-search select{border:1px solid #eaecea;width:100%;border-radius:5px}.page-title{font-size:43px}}
@page{size:A4;margin:17mm 16mm 18mm}@media print{html,body{background:#fff!important;color:#000!important;font-size:11pt!important}.app-shell,.toast{display:none!important}#printArea{display:block!important;font-family:Arial,sans-serif;color:black}#printArea *{box-shadow:none!important}#printArea .print-cover{break-after:page;height:245mm;position:relative;display:flex;flex-direction:column}#printArea .print-logo{font-family:Georgia,serif;font-size:23pt;color:#162f45;font-weight:bold}#printArea .print-logo small{font-size:10pt;letter-spacing:1px;color:#927747}#printArea .print-hero-title{font-family:Georgia,serif;font-size:34pt;line-height:1.1;margin:55mm 0 6mm;color:#162b40}#printArea .print-course{font-size:11pt;color:#8b7b62;text-transform:uppercase;letter-spacing:1px}#printArea .print-details{margin-top:20mm;display:grid;gap:7mm;font-size:12pt}#printArea .detail-line{padding-bottom:3mm;border-bottom:1px solid #aeb5b6}#printArea .print-cover-foot{margin-top:auto;border-top:2px solid #243949;padding-top:6mm;font-size:10pt}#printArea .print-page-header{display:flex;align-items:flex-end;justify-content:space-between;border-bottom:1px solid #c6ccca;padding:0 0 4mm;margin-bottom:7mm;font-size:9pt;color:#4b5b66}#printArea .print-page-header strong{font:700 16pt Georgia,serif;color:#182d40}#printArea .print-question{break-inside:avoid;page-break-inside:avoid;padding:0 0 7mm;margin:0 0 6mm;border-bottom:1px solid #e2e3e2}#printArea .print-question-row{display:flex;gap:5mm;align-items:baseline}#printArea .print-number{width:8mm;flex:none;font-weight:bold}#printArea .print-question-body{flex:1;line-height:1.75;font-size:11pt}#printArea .print-marks{width:16mm;text-align:right;font-weight:bold;font-size:10pt}#printArea .working-lines{margin:5mm 0 0 12mm}#printArea .working-line{height:9mm;border-bottom:1px solid #ebeeee}#printArea .print-scheme-step{display:flex;align-items:baseline;justify-content:space-between;gap:7mm;margin:2mm 0 0 11mm;font-size:10pt;line-height:1.6}#printArea .print-scheme-step span:last-child{white-space:nowrap;font-size:9pt}#printArea .scheme-question{padding-bottom:5mm;margin-bottom:5mm}#printArea .scheme-question .print-question-body{font-weight:600}#printArea .print-end{padding-top:7mm;font-size:10pt;text-align:center}#printArea mjx-container{max-width:100%;overflow:visible!important}#printArea .q-table{border-collapse:collapse;font-size:9pt;margin:4mm 0}#printArea .q-table td,#printArea .q-table th{border:1px solid #aab3b6;padding:2mm 4mm;text-align:center}}

/* Stage 2 additions */
.paper-item-bottom{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin:10px 0 0 50px;color:#5e6b70;font-size:12px}.paper-item-bottom label{display:flex;align-items:center;gap:8px}.paper-item-bottom input{width:61px;padding:6px;border:1px solid #cbd1d1;border-radius:6px;background:white}.tool-group{flex-wrap:wrap}.question-tools{flex-wrap:wrap;gap:8px}.builder-printbar{flex-wrap:wrap;gap:10px}.print-question{break-inside:avoid-page;page-break-inside:avoid}@media print {#printArea .print-question{break-inside:avoid-page;page-break-inside:avoid-page}#printArea .print-cover{break-after:page}}

/* Stage 2.2: transparent source of difficulty for incomplete legacy coverage. */
.legacy-hint{font-size:10px;border:1px solid #d5cbb5;color:#816945;padding:3px 6px;border-radius:6px;letter-spacing:.01em;white-space:nowrap}.q-parts{margin-top:11px;line-height:2.1}.q-parts br{display:block;content:"";margin-bottom:3px}.question-card .question-body{line-height:1.8}
/* Keep paper actions in normal document flow on smaller screens so they never cover questions. */
@media (max-width:720px){.builder-printbar{position:static!important;bottom:auto!important}}
/* Stage 3 — coherent three-step Exam Builder, preserving SKmaths visual language. */
.builder-config,.builder-settings,.builder-add{box-shadow:0 1px 1px rgba(28,47,59,.025)}
.builder-card-title>div{min-width:0}
.step-subtitle{margin:5px 0 0;color:#97a2a7;font-size:11px;line-height:1.5}
.coverage-set{border:0;padding:0;margin:5px 0 11px;min-width:0}
.coverage-set legend{font-size:11px;font-weight:750;color:#364d5d;margin:0 0 10px}
.scope-choice{display:flex;gap:11px;align-items:flex-start;border:1px solid #e1e6e3;border-radius:7px;padding:11px 12px;margin-bottom:8px;cursor:pointer;background:#fff}
.scope-choice:has(input:checked){border-color:#bbab89;background:#fcfaf5}
.scope-choice input{margin-top:3px;accent-color:#19334b;flex:none}
.scope-choice strong,.scope-choice small{display:block}
.scope-choice strong{font-size:11.5px;color:#334a58}
.scope-choice small{margin-top:3px;line-height:1.45;color:#8c999f;font-size:10.5px}
.topic-checklist{max-height:286px;overflow:auto;border:1px solid #e4e7e5;background:#fff;border-radius:8px;margin-bottom:12px;padding:2px 11px}
.topic-checklist[hidden]{display:none}
.topic-group{border-bottom:1px solid #eceded;padding:11px 1px}
.topic-group:last-child{border-bottom:0}
.topic-group-title{display:flex;align-items:baseline;justify-content:space-between;gap:5px;line-height:1.35;font-size:10.7px;font-weight:750;color:#435c6c}
.topic-group-title small{font-size:9px;font-weight:500;color:#9ba7a9;text-align:right}
.topic-option{display:flex;align-items:center;gap:8px;font-size:11px;margin:9px 0 1px;color:#445966;cursor:pointer}
.topic-option input{accent-color:#1e3b54}
.syllabus-note{font-size:10.3px;line-height:1.6;color:#80909a;background:#f5f6f4;border:1px solid #eef0ed;border-radius:7px;padding:10px 11px}
.builder-summary{background:#f5f6f2;border:1px solid #e3e7e0;border-radius:8px;padding:14px 13px;margin-bottom:12px;line-height:1.5}
.builder-summary strong{color:#233c50;display:block;font-size:14px;margin:2px 0 8px}
.builder-summary-kicker{font-size:9px;font-weight:750;letter-spacing:1.1px;color:#aa9468}
.builder-summary small{display:block;color:#8b989e;font-size:10.2px;margin-top:8px}
.summary-inline{display:flex;gap:6px;flex-wrap:wrap}
.summary-inline span{border:1px solid #e5e6e2;border-radius:3px;padding:4px 6px;font-size:10px;color:#526b79;background:#fff}
.builder-feedback{padding:11px 12px;border:1px solid #e9ddbf;background:#fffaf0;border-radius:7px;font-size:10.8px;line-height:1.6;color:#846f49;margin:0 0 13px}
.builder-feedback[hidden]{display:none}
.builder-feedback p{margin:0 0 5px}
.builder-feedback p:last-child{margin-bottom:0}
.builder-divider{display:flex;align-items:center;gap:8px;margin:18px 0 13px;color:#9da7ab;font-size:10px;white-space:nowrap;text-transform:uppercase;letter-spacing:1px;font-weight:700}
.builder-divider:before,.builder-divider:after{content:"";height:1px;flex:1;background:#e6eae6}
.builder-add .btn-soft{margin-top:0}
.builder-add .form-field:last-of-type{margin-bottom:12px}
.builder-add .btn:disabled{opacity:.45;cursor:not-allowed}
@media(max-width:870px){.builder-layout{grid-template-columns:300px minmax(0,1fr)}}
@media(max-width:690px){.builder-layout{grid-template-columns:1fr}.builder-controls{grid-template-columns:1fr 1fr}.builder-controls .builder-add{grid-column:1/-1}}
@media(max-width:510px){.builder-controls{grid-template-columns:1fr}.builder-controls .builder-add{grid-column:auto}}

/* Stage 4: show the insight separately from awarded marks; no Builder redesign. */
.stage4-insight{margin-top:16px;padding:14px 16px;border-left:3px solid var(--gold);background:#fbf8f0;border-radius:0 8px 8px 0}.stage4-insight strong{font-size:10px;letter-spacing:1.2px;color:#836a3e}.stage4-insight p{margin:6px 0 0;line-height:1.55;color:#3a4753}.stage4-print-insight{color:#44525f;font-style:italic}

/* Stage 5 personal question library; preserves the original SKmaths palette. */
.curated-intro{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#f7f6f1;border:1px solid #e7e3d8;border-radius:14px;padding:19px 21px;margin:20px 0 19px}.curated-intro strong{color:#172c41}.curated-intro p{color:#66717a;max-width:600px;font-size:13px;line-height:1.5;margin:5px 0 0}.curated-intro-actions,.collection-toolbar-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.curated-tools{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;padding:18px;background:white;border:1px solid #e9e7e2;border-radius:14px}.curated-tools .form-field{min-width:0}.curated-tools select,.curated-tools input{width:100%}.collection-toolbar{display:flex;justify-content:space-between;gap:16px;align-items:center;margin:20px 0 14px}.collection-toolbar strong{display:block;color:#172c41}.collection-toolbar span{display:block;font-size:12px;color:#7b827c;margin-top:4px}.curated-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;align-items:start}.curated-card{padding:19px;background:white;border:1px solid #e6e3db;border-radius:13px;min-width:0;overflow:hidden}.curated-card header{display:flex;gap:7px;flex-wrap:wrap;align-items:center;margin-bottom:13px}.curated-card header small{font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#7b807c;font-size:10px}.curated-card .curated-question{font-size:15px;line-height:1.65;overflow-wrap:anywhere;color:#172c41}.curated-card .curated-tags{display:flex;gap:6px;flex-wrap:wrap;margin:13px 0}.curated-tag{border:1px solid #e2ddd1;border-radius:50px;padding:4px 9px;font-size:10px;color:#546273}.curated-tag.approved{background:#e9f3ec;color:#2a6549}.curated-tag.flagged{background:#fff0eb;color:#99513d}.curated-card footer{display:flex;flex-wrap:wrap;gap:7px;padding-top:12px;border-top:1px solid #eeeae2}.curated-card footer button{padding:7px 10px}.curated-solution{background:#f6f8f8;padding:14px 15px;margin:12px 0;border-radius:9px;font-size:12px;line-height:1.65}.curated-solution .mark-step{margin-top:9px}.curated-mini{font-size:11px;color:#6c7782}.curated-dialog{width:min(740px,94vw);max-height:90vh;border:1px solid #e8e5da;border-radius:17px;padding:24px;background:#fff;box-shadow:0 20px 55px #172c4140;color:#172c41}.curated-dialog::backdrop{background:#152c4199}.curated-dialog .dialog-top{display:flex;justify-content:space-between;gap:16px;align-items:center}.curated-dialog p{color:#67737d;font-size:13px;margin:10px 0 18px}.curated-dialog textarea{width:100%;min-height:85px;border:1px solid #d3d6d9;border-radius:8px;padding:12px;font-family:inherit;font-size:13px}.curated-dialog .form-field{margin-bottom:14px}.curated-dialog .dialog-actions{display:flex;justify-content:flex-end;margin-top:15px}.curated-mini button{color:#172c41}.curated-empty{grid-column:1/-1;padding:50px 20px;text-align:center;background:#faf9f5;border:1px dashed #dcd8cb;border-radius:12px;color:#6a7176}.curated-collection-select{font-size:12px;width:100%;padding:8px;margin-top:10px;background:#f9f8f4;border:1px solid #e8e1d5;border-radius:8px}.builder-feedback.warn{border-left:3px solid #b58737}.curated-mode-label{color:#7d683f;font-size:11px;font-weight:700;margin-top:5px}.curated-collection-row{margin:8px 0}.curated-card .q-parts{font-size:inherit}.curated-card mjx-container{max-width:100%;overflow-x:auto;overflow-y:hidden}
@media(max-width:1000px){.curated-tools{grid-template-columns:repeat(3,minmax(0,1fr))}.curated-results{grid-template-columns:1fr}}@media(max-width:620px){.curated-tools{grid-template-columns:repeat(2,minmax(0,1fr))}.curated-intro,.collection-toolbar{flex-direction:column;align-items:stretch}.curated-intro-actions,.collection-toolbar-actions{justify-content:flex-start}.curated-dialog{padding:15px}}

/* Stage 6 parametric mathematical diagrams: screen and print use identical SVGs. */
.skmaths-diagram{display:flex;align-items:center;flex-direction:column;gap:3px;max-width:280px;margin:12px auto 10px;break-inside:avoid;page-break-inside:avoid}.skmaths-diagram svg{max-width:100%;height:auto}.skmaths-diagram figcaption{font-size:11px;color:#667887}
@media print{.skmaths-diagram{max-width:260px;break-inside:avoid}.skmaths-diagram svg{max-height:184px}}
/* Phase 2: vector examination graphics */
.skmaths-diagram.sk-g-figure{width:min(100%,470px);max-width:470px;margin:10px auto 15px;break-inside:avoid;page-break-inside:avoid;display:block;text-align:center}
.sk-g-svg{display:block;width:100%;height:auto;max-height:310px;overflow:visible}.sk-g-figure figcaption{font-size:10px;line-height:1.3;color:#526474;margin-top:2px}
@media print{#printArea .sk-g-figure{max-width:113mm;margin:3mm auto 4mm;break-inside:avoid}#printArea .sk-g-svg{max-height:67mm;width:100%;height:auto}#printArea .print-question-body .sk-g-figure{break-inside:avoid}}

/* Backup & recovery — consistent with existing SKmaths panels */
.backup-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(265px,1fr));gap:16px;margin-top:22px}.backup-card,.backup-info{background:#fff;border:1px solid #e4e8e6;border-radius:10px;padding:24px;min-width:0}.backup-card h3,.backup-info h3{font:400 24px Georgia,serif;margin:0 0 12px}.backup-card p{font-size:12px;color:#667785;line-height:1.7}.backup-card button{margin:6px 7px 6px 0}.backup-card input,.backup-card select{width:100%;border:1px solid #e0e5e2;border-radius:6px;padding:10px 12px;margin:9px 0;background:#fff;font-size:12px;min-width:0}.backup-card .backup-field{font-weight:700;font-size:11px}.backup-file{display:inline-block;border:1px solid #d1d9d8;border-radius:6px;padding:12px;cursor:pointer;font-size:12px;font-weight:700;margin-top:15px}.backup-info{margin-top:17px}.backup-info pre{white-space:pre-wrap;word-break:break-word;font:12px/1.8 'Segoe UI',sans-serif;color:#455a6a}.backup-status{padding:11px 13px;background:#eff4f0;color:#355645;border-radius:7px;font-size:12px}.backup-status.backup-error{background:#fcf0ed;color:#8f352e}.backup-note{font-size:11px!important;line-height:1.6;color:#7a8790;margin:13px 0 0}.backup-actions{display:flex;flex-wrap:wrap;gap:6px}