:root{--navy:#163a68;--blue:#255c98;--ink:#1c2b3e;--muted:#66758a;--line:#d6dfe9;--paper:#fff;--bg:#f3f6fa;--green:#267545;--purple:#6b48a3;--red:#a33438;--amber:#95630e;font-family:Arial,Helvetica,sans-serif;color:var(--ink);font-size:15px}*{box-sizing:border-box}body{margin:0;background:var(--bg)}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #ecaa26;outline-offset:3px}.site-header{height:82px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:25px;padding:0 max(24px,calc((100vw - 1220px)/2))}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--navy);font-size:20px;white-space:nowrap}.brand-icon{border:2px solid var(--navy);width:42px;height:42px;display:grid;place-items:center;font-weight:800}.brand small{display:block;font-size:9px;letter-spacing:1.65px;margin-top:6px}.practice-label{margin-left:auto;font-size:12px;color:var(--muted)}.text-button{border:0;background:none;color:var(--blue);font-size:13px;padding:10px}.page{max-width:1220px;margin:0 auto;padding:42px 24px 60px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--blue)}h1{font-size:40px;letter-spacing:-1.4px;margin:13px 0 15px;line-height:1.1}h2{font-size:23px;letter-spacing:-.5px}p{line-height:1.65} .intro{max-width:760px;color:var(--muted);font-size:16px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:white;margin:28px 0 32px}.metric{padding:22px;border-right:1px solid var(--line)}.metric:last-child{border:0}.metric strong{font-size:27px;display:block;letter-spacing:-.7px}.metric span{display:block;font-size:12px;margin-top:7px;color:var(--muted)}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:16px}.section-heading h2{margin:0}.section-heading span{color:var(--muted);font-size:13px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.test-card{background:white;border:1px solid var(--line);padding:23px;transition:border-color .15s}.test-card:hover{border-color:#779ac2}.card-number{font-size:11px;font-weight:bold;color:var(--blue);letter-spacing:1.5px}.test-card h3{font-size:22px;margin:12px 0}.test-card .sub{font-size:12px;color:var(--muted);margin:7px 0 23px}.card-result{min-height:35px;font-size:13px}.card-result strong{color:var(--green)}.card-actions{display:flex;gap:8px;margin-top:14px}.button{padding:10px 16px;border:1px solid var(--navy);background:var(--navy);color:white;font-size:13px;font-weight:600;border-radius:3px}.button.secondary{background:white;color:var(--navy);border-color:var(--line)}.button.danger{background:var(--red);border-color:var(--red)}.button.green{background:var(--green);border-color:var(--green)}.footer-note{font-size:12px;color:var(--muted);margin-top:25px;line-height:1.65}.footer-note a{color:var(--blue)}.resume{background:#eaf1f9;border:1px solid #b9cde3;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin:24px 0}.resume p{margin:5px 0 0;font-size:13px}.resume strong{font-size:16px}.history{width:100%;border-collapse:collapse;background:white;font-size:13px;margin-top:15px}.history th,.history td{text-align:left;padding:14px;border-bottom:1px solid var(--line)}.history th{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}.history button{padding:6px 10px}dialog{border:1px solid var(--line);border-radius:5px;padding:26px;max-width:590px;width:calc(100vw - 32px);color:var(--ink)}dialog::backdrop{background:#0c2034a3}dialog h2{margin-top:0}dialog p,dialog li{font-size:14px;line-height:1.6}dialog li{margin-bottom:9px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}.form-label{display:block;font-size:13px;font-weight:600;margin:16px 0 8px}input[type=text],textarea,select{border:1px solid #a9bacd;border-radius:3px;padding:10px;color:var(--ink);background:white}input[type=text],textarea{width:100%}textarea{min-height:100px;resize:vertical}#toast{position:fixed;left:50%;transform:translateX(-50%);bottom:24px;background:#183b63;color:white;padding:13px 20px;max-width:90vw;z-index:50;border-radius:4px;font-size:13px;display:none;box-shadow:0 4px 22px #10274233}.storage-warning{position:fixed;bottom:0;left:0;right:0;background:#fff0c3;color:#714609;padding:10px;text-align:center;z-index:60;font-size:13px}
/* Exam screen follows the separate Save and navigation controls in the CBNET demo. */
.exam-page{max-width:1420px;margin:auto;padding:18px 22px 30px}.exam-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted);margin:0 0 12px}.exam-meta strong{color:var(--ink)}.exam-frame{background:white;border:1px solid #92a7be}.exam-top{display:flex;justify-content:space-between;background:var(--navy);color:white;padding:12px 16px;font-weight:600;font-size:14px}.exam-top small{font-size:12px;font-weight:normal}.exam-layout{display:grid;grid-template-columns:minmax(0,1fr) 248px}.exam-main{padding:16px;border-right:1px solid #9bafc5}.question-bar{display:flex;justify-content:space-between;gap:12px;border-bottom:2px solid var(--blue);padding-bottom:12px;font-size:14px}.question-bar strong{color:var(--blue)}.question-label{background:#eaf0f7;padding:9px 12px;font-size:13px;font-weight:bold;display:flex;align-items:center;justify-content:space-between;margin-top:18px}.expand{border:0;background:none;color:var(--blue);font-size:12px}.question-text{font-family:Arial,Helvetica,sans-serif;font-size:19px;line-height:1.75;padding:22px 14px;min-height:130px;white-space:pre-wrap;overflow-wrap:anywhere}.passage{border-left:3px solid #a9bacd;background:#f8fafc;max-height:200px;overflow:auto;margin:15px 12px 0;padding:12px 16px;font-size:15px;line-height:1.7;white-space:pre-wrap}.exam-main.expanded .passage{max-height:none}.answer-legend{font-size:13px;font-weight:700;color:var(--blue);margin:0}.options{border:0;margin:0;padding:10px 0 18px;min-height:225px}.option{display:flex;align-items:flex-start;gap:12px;padding:15px 14px;margin:3px 0;border:1px solid transparent;font-size:17px;line-height:1.4;cursor:pointer}.option:has(input:checked){border-color:#7ba591;background:#f0f8f3}.option input{width:18px;height:18px;accent-color:var(--green);margin:3px 0 0;flex-shrink:0}.option b{font-size:14px;min-width:18px;margin-top:2px}.option span{overflow-wrap:anywhere}.save-status{min-height:24px;font-size:12px;color:var(--muted);padding:0 14px}.save-status.unsaved{color:var(--amber)}.toolbar{background:#eff3f7;border:1px solid #cad6e2;padding:12px;margin-top:12px}.filters{display:flex;gap:20px;flex-wrap:wrap;align-items:center;font-size:12px;margin-bottom:12px}.filters label{display:flex;gap:5px;align-items:center;cursor:pointer}.filters input{accent-color:var(--blue)}.toolbar-buttons{display:flex;gap:7px;flex-wrap:wrap}.cbt-button{border:1px solid #777;background:linear-gradient(#fff,#dbe0e6);border-radius:2px;font-size:12px;color:#172b40;padding:9px 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small{font-size:11px}.timer{display:block;font-family:Consolas,monospace;font-size:31px;font-weight:bold;color:#325726;margin:8px 0}.timer-box.low{background:#fff0ed;border-color:#cc8477}.timer-box.low .timer{color:var(--red)}.started{font-size:11px;color:var(--muted);text-align:center;margin:10px 0}.attempt-counts{display:flex;justify-content:space-around;text-align:center;font-size:11px;margin:20px 0}.attempt-counts strong{display:block;font-size:21px;margin-bottom:6px}.legend{display:flex;gap:10px;flex-wrap:wrap;font-size:10px;color:var(--muted);margin:11px 0}.legend span:before{content:'';display:inline-block;width:8px;height:8px;margin-right:4px;border:1px solid #a9bacd;background:white}.legend .saved:before{background:#d9ecd8}.legend .flag:before{background:#e7daf7}.palette-label{font-size:12px;font-weight:bold;margin:18px 0 5px}.palette{display:grid;grid-template-columns:repeat(5,1fr);gap:5px;max-height:277px;overflow:auto;padding:4px 3px 4px 0}.palette button{padding:7px 0;font-size:11px;background:white;border:1px solid #bcc8d5;border-radius:2px;color:var(--ink)}.palette button.saved{background:#d9ecd8;border-color:#80a67d}.palette button.flag{background:#e7daf7;border-color:#ad8dc7}.palette button.current{outline:2px solid var(--navy);outline-offset:-2px;font-weight:bold}.palette-empty{color:var(--muted);font-size:12px;line-height:1.6}.exam-foot{font-size:11px;color:var(--muted);text-align:center;margin-top:12px}.result-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:15px}.score-summary{background:white;border:1px solid var(--line);display:grid;grid-template-columns:1fr 2fr;gap:35px;padding:30px;margin:24px 0}.big-score{font-size:72px;font-weight:700;color:var(--navy);letter-spacing:-4px;line-height:1}.big-score span{font-size:24px;letter-spacing:-1px;color:var(--muted)}.score-caption{font-size:13px;color:var(--muted);margin-top:14px}.score-counts{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-bottom:20px}.score-counts strong{display:block;font-size:26px}.score-counts span{display:block;font-size:12px;color:var(--muted);margin-top:4px}.subject-result{display:grid;grid-template-columns:95px 1fr 65px;gap:15px;align-items:center;margin:12px 0;font-size:13px}.bar{height:7px;background:#e4eaf1}.bar div{height:100%;background:var(--blue)}.review-tools{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}.review-tools select{font-size:13px;min-width:160px}.review-item{background:white;border:1px solid var(--line);padding:22px;margin-bottom:14px}.review-top{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.5px}.pill{padding:4px 8px;border-radius:3px;letter-spacing:0;text-transform:none;background:#e5edf5;color:var(--muted)}.pill.correct{background:#e5f2e5;color:var(--green)}.pill.wrong{background:#f8e8e8;color:var(--red)}.review-question{font-size:17px;line-height:1.7;white-space:pre-wrap;margin:14px 0}.review-option{padding:9px 12px;border:1px solid var(--line);margin:6px 0;font-size:14px;display:flex;justify-content:space-between;gap:15px;line-height:1.5}.review-option.correct-answer{background:#eff7ee;border-color:#82b581}.review-option.your-wrong{background:#fff0ee;border-color:#d4a09b}.review-option small{white-space:nowrap;font-size:11px;font-weight:bold}.explanation{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:13px;line-height:1.7;white-space:pre-wrap;margin-top:14px}.load-more{display:block;margin:25px auto}.result-empty{padding:40px;text-align:center;background:white;color:var(--muted)}.download-row{display:flex;align-items:center;gap:8px}.source-note{font-size:12px;line-height:1.6;color:var(--muted)}.source-note a{color:var(--blue)}
@media(min-width:1500px){.question-text{min-height:185px}.options{min-height:285px}.palette{max-height:370px}}@media(max-width:900px){.cards{grid-template-columns:repeat(2,1fr)}.exam-layout{grid-template-columns:minmax(0,1fr) 205px}.exam-sidebar{padding:12px}.exam-page{padding:12px}.question-text{font-size:17px}.filters{gap:10px}.toolbar-buttons{gap:5px}.cbt-button{padding:9px}.site-header{padding:0 20px}.practice-label{display:none}}@media(max-width:650px){h1{font-size:32px}.page{padding:28px 16px}.site-header{height:72px;padding:0 16px;gap:10px}.brand{font-size:18px}.text-button{margin-left:auto}.cards{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(2,1fr)}.metric{padding:17px;border-bottom:1px solid var(--line)}.metric:nth-child(2){border-right:0}.metric:nth-child(3){border-bottom:0}.exam-layout{display:flex;flex-direction:column}.exam-main{border-right:0}.exam-sidebar{display:grid;grid-template-columns:1fr 1fr;gap:10px;border-top:1px solid var(--line)}.candidate{display:none}.timer-box{margin:0}.attempt-counts{margin:16px 0}.started{display:none}.palette-label,.legend,.palette{grid-column:1/-1}.palette{grid-template-columns:repeat(10,1fr);max-height:150px}.exam-meta{font-size:11px}.exam-top{font-size:12px}.exam-top small{font-size:11px}.question-bar{font-size:12px}.question-text{min-height:90px;padding:16px 8px}.option{font-size:16px;padding:13px 8px}.score-summary{grid-template-columns:1fr;gap:24px;padding:24px}.big-score{font-size:62px}.result-heading{flex-wrap:wrap}.review-item{padding:16px}.history{font-size:11px}.history th,.history td{padding:10px 6px}.review-option{gap:6px;flex-wrap:wrap}.resume{align-items:flex-start;flex-wrap:wrap}.section-heading span{display:none}.timer{font-size:27px}.subject-result{grid-template-columns:90px 1fr 55px}.review-tools select{min-width:130px}}
@media print{.site-header,.review-tools,.download-row,.load-more,.card-actions,.modal-actions{display:none!important}body{background:white}.page{padding:0}.review-item{break-inside:avoid}.score-summary{break-inside:avoid}}

/* Per-question timing, visible during the paper and in post-test review. */
.question-bar{flex-wrap:wrap;align-items:center}
.question-elapsed{margin-left:auto;white-space:nowrap;color:var(--muted)}
.question-elapsed strong{font-family:Consolas,monospace;font-size:16px;font-variant-numeric:tabular-nums;color:var(--navy)}
.timing-section{margin:26px 0 32px}
.timing-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.timing-metrics>div{background:white;border:1px solid var(--line);padding:17px}
.timing-metrics small{display:block;color:var(--muted);margin-bottom:9px;font-size:12px}
.timing-metrics strong{display:block;color:var(--navy);font-size:21px;font-variant-numeric:tabular-nums}
.timing-panel{background:white;border:1px solid var(--line);margin:16px 0}
.timing-panel summary{cursor:pointer;padding:14px 18px;color:var(--blue);font-weight:600;font-size:14px}
.timing-panel[open] summary{border-bottom:1px solid var(--line)}
.timing-table-wrap{max-height:470px;overflow:auto}
.timing-table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}
.timing-table th,.timing-table td{border-bottom:1px solid var(--line);padding:10px 16px}
.timing-table th{position:sticky;top:0;background:#f0f4f8;color:var(--navy);z-index:1}
.timing-value{font-family:Consolas,monospace;font-variant-numeric:tabular-nums;white-space:nowrap}
.review-indicators{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.review-time{color:var(--muted);font-size:12px;letter-spacing:0;text-transform:none;white-space:nowrap}
.review-time strong{font-family:Consolas,monospace;color:var(--navy);font-variant-numeric:tabular-nums;font-size:13px}
@media(max-width:650px){.question-elapsed{margin-left:0;width:100%}.timing-metrics{grid-template-columns:1fr}.timing-metrics>div{padding:12px 16px}.review-indicators{justify-content:flex-start}.review-top{flex-wrap:wrap}.timing-table th,.timing-table td{padding:9px 8px}}
@media print{.timing-panel{display:block}.timing-panel:not([open]) .timing-table-wrap{display:none}}

/* Chess-style paper review: explainable metrics based on recorded answers/timing. */
.analysis-suite{margin:30px 0 38px;scroll-margin-top:28px}
.analysis-head{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:24px 26px;background:#112b4b;color:white;margin-bottom:14px}
.analysis-head .eyebrow{color:#a6cdf4}
.analysis-head h2{font-size:28px;margin:8px 0}
.analysis-head p{max-width:640px;color:#dce8f5;margin:5px 0;font-size:14px}
.reference-chip{max-width:225px;min-width:180px;border-left:1px solid #547497;padding-left:20px;font-size:12px;color:#cae0f5}
.reference-chip strong{display:block;font-size:23px;color:white;margin:7px 0}
.reference-chip small{display:block;line-height:1.45}
.analysis-kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:14px}
.analysis-kpi,.analysis-card{background:white;border:1px solid var(--line)}
.analysis-kpi{padding:19px 18px}
.analysis-kpi small{font-size:12px;color:var(--muted);display:block}
.analysis-kpi strong{font-size:30px;color:var(--navy);display:block;margin:10px 0 6px}
.analysis-kpi span{color:var(--muted);font-size:12px}
.analysis-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-bottom:14px}
.analysis-card{padding:20px 22px;margin-bottom:14px;min-width:0}
.analysis-two .analysis-card{margin-bottom:0}
.analysis-card h3{font-size:17px;letter-spacing:-.25px;margin:0 0 15px;color:var(--navy)}
.analysis-help{font-size:12px;line-height:1.65;color:var(--muted);margin:10px 0 0}
.score-stack{height:25px;display:flex;border-radius:3px;overflow:hidden;background:#edf0f5;margin:23px 0 15px}
.score-stack>span{height:100%}
.score-legend,.map-legend{display:flex;align-items:center;flex-wrap:wrap;gap:15px;font-size:12px;color:var(--muted)}
.score-legend i,.map-legend i{display:inline-block;width:11px;height:11px;margin-right:6px;vertical-align:-1px;border-radius:2px}
.key-good{background:var(--green)}.key-bad{background:var(--red)}.key-blank{background:#c3ccda}
.trend-diff{display:flex;gap:10px;align-items:center;margin:-5px 0 10px}
.trend-diff strong{font-size:24px;color:var(--navy)}.trend-diff strong.positive{color:var(--green)}.trend-diff strong.negative{color:var(--red)}
.trend-diff span{color:var(--muted);font-size:12px}
.trend-bars{display:flex;align-items:end;gap:13px;min-height:115px;margin-top:8px}
.trend-col{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;font-size:11px;color:var(--muted)}
.trend-col>span{font-weight:bold;color:var(--navy)}
.trend-col>div{width:100%;max-width:66px;height:70px;margin:5px 0;display:flex;align-items:end;background:#eef3f9}
.trend-col>div i{display:block;width:100%;background:#a3bdd7;min-height:1px}
.trend-col>div i.current{background:var(--blue)}
.trend-col small{font-size:10px;text-align:center}
.table-overflow{overflow-x:auto}
.analysis-table{width:100%;min-width:730px;border-collapse:collapse;font-size:12px;text-align:left}
.analysis-table th,.analysis-table td{padding:11px 9px;border-bottom:1px solid var(--line);white-space:nowrap}
.analysis-table th:first-child{color:var(--navy)}
.analysis-table thead th{font-size:11px;color:var(--muted)}
.analysis-list{display:grid;gap:1px;max-height:370px;overflow:auto}
.topic-row,.mistake-row{background:#fff;border:0;border-bottom:1px solid var(--line);width:100%;text-align:left;padding:12px 3px;display:flex;align-items:center;justify-content:space-between;gap:14px;color:var(--ink)}
.topic-row:hover,.mistake-row:hover{background:#f1f6fb}
.topic-title{flex:1;min-width:0}
.topic-title strong,.mistake-row b{display:block;font-size:13px;overflow-wrap:anywhere}
.topic-title small,.mistake-row small{display:block;color:var(--muted);font-size:11px;margin-top:5px;line-height:1.4}
.topic-score{display:flex;align-items:center;gap:9px;min-width:95px}
.topic-score b{font-size:12px;color:var(--navy);width:35px;text-align:right}
.mini-track,.speed-track{display:block;background:#e8eef5;border-radius:3px;overflow:hidden;height:7px;flex:1}
.mini-track i,.speed-track i{display:block;height:100%;background:var(--green)}
.analysis-empty{color:var(--muted);font-size:13px;line-height:1.5}
.mistake-row{justify-content:flex-start}
.mistake-row>span:nth-child(2){flex:1;min-width:0}
.q-token{display:inline-grid;place-items:center;background:#eef4fa;color:var(--navy);font-weight:bold;font-size:12px;padding:8px;min-width:42px}
.mistake-time{font-variant-numeric:tabular-nums;font-weight:700;color:var(--red);font-size:12px}
.speed-bands,.segment-bars{display:grid;gap:16px;margin-top:16px}
.speed-band{display:grid;grid-template-columns:80px 1fr 40px 78px;gap:10px;align-items:center;font-size:12px}
.speed-band strong{color:var(--navy);text-align:right}
.speed-band small{color:var(--muted);text-align:right;font-size:11px}
.segment{display:grid;grid-template-columns:70px 1fr 40px;gap:10px;align-items:center;font-size:12px}
.segment b{text-align:right;color:var(--navy)}
.segment-track{height:14px;display:flex;overflow:hidden;background:#e8eef5}
.segment-track i{display:block;height:100%}
.review-map-head{display:flex;align-items:start;justify-content:space-between;gap:15px}
.review-map-head h3{margin-bottom:4px}
.review-map-head .analysis-help{margin:0 0 17px}
.question-map{display:grid;grid-template-columns:repeat(20,minmax(0,1fr));gap:4px}
.map-cell{font-size:10px;border:1px solid transparent;border-radius:2px;min-height:30px;padding:0;color:white;font-weight:600}
.map-cell.correct{background:#2f8550}.map-cell.wrong{background:#b94c53}.map-cell.blank{background:#c3ccda;color:#34435b}
.map-cell:hover,.map-cell:focus-visible{transform:scale(1.13);outline:2px solid #183b63;z-index:2}
.study-plan{border-left:4px solid var(--blue);background:#fdfefe}
.study-plan li{font-size:13px;line-height:1.65;padding-left:5px;margin-bottom:10px}
.analysis-tag{display:inline-flex;align-items:center;border-radius:15px;font-size:11px;line-height:1.1;padding:6px 9px;font-weight:700;background:#edf2f8;color:#324c6a;white-space:nowrap}
.tag-clean{background:#def1e4;color:#176138}.tag-steady{background:#e7f1ee;color:#24614f}.tag-long-correct{background:#fff2d8;color:#835600}
.tag-quick-miss,.tag-time-sink{background:#fae4e5;color:#9e2f37}.tag-miss{background:#fff0e9;color:#9d4830}
.tag-skipped{background:#eef1f5;color:#5a6574}
.review-indicators{gap:7px}
.review-item{scroll-margin-top:22px}
.review-item.focus-question{outline:3px solid #ebaf45;outline-offset:3px;animation:highlight-question 2.8s ease-out}
@keyframes highlight-question{0%{background:#fff2d3}100%{background:white}}
@media(max-width:850px){.analysis-kpis{grid-template-columns:repeat(2,minmax(0,1fr))}.analysis-two{grid-template-columns:1fr}.question-map{grid-template-columns:repeat(10,minmax(0,1fr))}}
@media(max-width:560px){.analysis-head{flex-direction:column;align-items:start;padding:20px}.reference-chip{border-left:0;border-top:1px solid #547497;padding-left:0;padding-top:10px;min-width:0;max-width:none;width:100%}.analysis-kpi{padding:14px}.analysis-kpi strong{font-size:26px}.analysis-card{padding:17px}.review-map-head{flex-direction:column}.question-map{grid-template-columns:repeat(8,minmax(0,1fr))}.map-cell{min-height:32px}.speed-band{grid-template-columns:64px 1fr 35px;gap:6px}.speed-band small{display:none}.score-legend,.map-legend{gap:8px}}
@media print{.analysis-suite{break-inside:auto}.analysis-card{break-inside:avoid}.question-map{grid-template-columns:repeat(20,minmax(0,1fr))}}

/* Review of changed saved answers */
.decision-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.decision-stats>div{padding:16px;background:#f1f5fa;border:1px solid #e1e8f1}
.decision-stats strong{display:block;font-size:27px;color:var(--navy);margin-bottom:6px}
.decision-stats span{display:block;font-size:12px;color:var(--muted)}
.decision-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:14px}
.decision-actions button{border:1px solid #bfd0e4;border-radius:3px;padding:8px 12px;color:var(--navy);background:white;font-size:12px;cursor:pointer}
.decision-actions button:hover{background:#e6f0fa}
.tag-recovered{background:#d7eff5;color:#105f74}.tag-lost-revision{background:#fbe0e1;color:#96252b}
@media(max-width:560px){.decision-stats{grid-template-columns:1fr}}

/* PDF export controls on narrower screens */
.result-heading .download-row{flex-wrap:wrap;justify-content:flex-end}
@media(max-width:650px){.result-heading .download-row{justify-content:flex-start}}

/* Three difficulty sections and independent student profiles */
.student-panel{background:linear-gradient(120deg,#f6faff,#eaf2fa);border:1px solid #ccd9e8;border-left:4px solid #2267ba;padding:22px 24px;margin:27px 0;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.student-panel-title{display:flex;align-items:center;gap:15px;flex:1;min-width:220px}.student-panel-title small{font-size:10px;font-weight:800;letter-spacing:1.3px;color:#577492}.student-panel-title h2{font-size:21px;line-height:1.2;margin:4px 0}.student-panel-title p{margin:0;color:#596c83;font-size:12px;line-height:1.55}.profile-icon{min-width:52px;height:52px;border-radius:12px;background:#173b64;color:white;font-size:20px;font-weight:bold;display:grid;place-items:center}.student-controls{display:flex;flex-direction:column;gap:5px;min-width:240px}.student-controls label{font-size:11px;font-weight:800;color:#4c6179}.student-controls select{width:100%;padding:10px 12px;background:white;border:1px solid #a9bdd2;border-radius:5px;font-size:14px}.student-buttons{display:flex;gap:7px;margin-top:5px}.student-buttons .button{font-size:12px;padding:9px 12px}.tier-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:30px}.tier-tab{cursor:pointer;text-align:left;padding:18px 18px;border:1px solid #cfd9e6;border-bottom:4px solid #cfd9e6;background:#fff;color:#23415e;transition:background .15s}.tier-tab strong{display:block;font-size:15px}.tier-tab span{display:block;font-size:11px;color:#60748c;margin-top:7px}.tier-tab.active{background:#f2f7fe;border-color:#2e70be;border-bottom-color:#2e70be;box-shadow:0 3px 10px #133a6620}.tier-tab:focus-visible{outline:3px solid #e5a843}.tier-description{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:26px 0 18px}.tier-description h2{margin:4px 0 7px;font-size:25px}.tier-description p{font-size:13px;color:#5c6b7d;line-height:1.7;margin:0;max-width:760px}.level-label{display:inline-block;font-size:10px;letter-spacing:.4px;font-weight:800;text-transform:uppercase;padding:5px 8px;border-radius:3px;background:#e8edf3;color:#46617b;white-space:nowrap}.level-label.foundation{background:#e1f1eb;color:#146c4b}.level-label.advanced{background:#e4eefc;color:#245e9c}.level-label.expert{background:#f5e7e8;color:#a43947}.card-number{display:flex;align-items:center;justify-content:space-between;gap:10px}.history-scroll{overflow-x:auto}.history small{color:#697c94;font-size:11px}.student-panel select:disabled{opacity:.7}
@media(max-width:700px){.tier-tabs{grid-template-columns:1fr;gap:6px}.tier-tab{padding:12px 15px;border-bottom-width:2px}.tier-description{align-items:flex-start}.student-controls{width:100%}.student-panel{padding:17px}}