:root{--ink:#202c33;--muted:#596a73;--paper:#f4f6f6;--line:#d8e1e2;--accent:#116f70;--tint:#e5f2ef;--warm:#fcf0d7;--error:#a43824;--nav:#202d35}*{box-sizing:border-box}html{scroll-padding-top:104px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.5 system-ui,-apple-system,'Segoe UI',sans-serif}a{color:var(--accent);text-underline-offset:3px}button,input,select{font:inherit}button,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 17px;border:1px solid transparent;border-radius:10px;background:var(--accent);color:white;font-weight:650;text-decoration:none;cursor:pointer;line-height:1.3}button:hover,.button:hover{filter:brightness(.95)}button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid 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code{display:block;overflow-wrap:anywhere;background:var(--paper);padding:18px;font-size:18px;margin:18px 0}.screen-main{max-width:1400px}.screen-main h1{font-size:48px}.screen-main .question{font-size:25px}.screen-main .card{padding:30px}.screen-main .grid{margin-top:24px}.source-links a{display:block;margin-top:12px}.recovery-link{overflow-wrap:anywhere;display:block;margin:16px 0}.compare{display:grid;grid-template-columns:1fr 1fr;gap:14px}.compare p{font-size:13px}.stage-label{font-weight:600}.security-panel{margin-top:30px}
@media(max-width:800px){.hero{grid-template-columns:1fr;gap:24px;padding-top:15px}.hero h1{max-width:580px}.hero-board{padding:26px}.grid,.canvas{grid-template-columns:1fr 1fr}.stages{grid-template-columns:1fr 1fr}.ratings{grid-template-columns:1fr}.split{flex-wrap:wrap}.screen-main h1{font-size:32px}.header{padding:0 16px}.header .brand span{font-size:14px}}
@media(max-width:480px){main{padding:24px 16px 44px}.hero{gap:20px}.hero p.lead{font-size:18px}.hero-board{padding:24px}.grid,.canvas{grid-template-columns:1fr}.card{padding:20px}.game-main .card{padding:18px}.game-main{padding-top:19px}.game-main h1{font-size:25px}.question{font-size:17px}.choices{gap:8px}.choices button{font-size:15px;padding:12px;min-height:62px}.scenario-choices{grid-template-columns:1fr}.tabs{padding:0 6px;gap:0;justify-content:space-between}.tabs button{font-size:12px;padding:7px 7px}.game-top{padding:4px 10px}.game-top .brand span{font-size:12px}.game-top .timer{font-size:15px}.game-top .quiet{font-size:12px;padding:5px}.progress-line{gap:5px}.hero h1{font-size:37px}.header .brand{gap:8px}.header .brand span{font-size:13px}.section-head h2{font-size:25px}.code-big{font-size:28px}.numbers{grid-template-columns:repeat(5,1fr)}.mini-grid{grid-template-columns:repeat(6,1fr)}.next button{font-size:14px}.stages .stage{padding:12px}.list>li{gap:8px}.compare{grid-template-columns:1fr}dialog{padding:21px}.wide{grid-column:auto}}
/* Self-paced round: compact navigation, feedback, and printable personal report. */
.game-top{min-height:40px;height:40px}.game-header .tabs{height:52px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:0 8px;gap:0}.game-header .tabs button{height:52px;min-height:44px;font-size:14px;padding:4px 6px;display:flex;flex-direction:column;gap:0}.tabs button small{font-size:10px;color:inherit;line-height:1.1}.game-header{padding:0;max-height:96px}.card-pager{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:4px;margin-bottom:8px}.card-pager b{text-align:center;font-size:13px}.card-pager button{font-size:13px;padding:6px;min-height:44px}.section-help{padding:10px 0;margin-bottom:16px}.section-help summary{font-size:14px}.section-help p{font-size:15px}.review-items{margin-top:22px}.answer-row{padding:12px;border-radius:7px;overflow-wrap:anywhere}.answer-row.correct{background:#e3f5bd;color:#234313;border-left:4px solid #619821}.answer-row.incorrect{background:#ffdfdc;color:#8c1720;border-left:4px solid #dc2335}.answer-row.missing{background:#f2f2f2;color:#454545;border-left:4px solid #777}.round-controls{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.round-controls .timer{font-size:26px;font-weight:700;font-variant-numeric:tabular-nums}.menu-links{display:grid;gap:10px;margin-bottom:18px}.privacy-note{font-size:14px;line-height:1.5;background:#f4f0df;padding:12px;border-radius:8px}textarea{font:inherit;display:block;width:100%;max-width:100%;min-height:120px;resize:vertical;border:1px solid #a7babb;border-radius:9px;padding:12px;margin:8px 0 12px;color:var(--ink);background:white}textarea:focus-visible{outline:3px solid #d59b25}.user-text{white-space:pre-wrap;overflow-wrap:anywhere}.report-actions{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0 28px}.suggestion-form{margin-top:24px}.print-report-content{display:none}.rating-status{font-size:13px;color:var(--muted)}.game-main .notice{font-size:13px}.game-main .score-card{margin-bottom:20px}
@media print{body.printing-report{background:white;font-size:11pt}body.printing-report #header,body.printing-report footer,body.printing-report #toast,body.printing-report dialog,body.printing-report .report-actions,body.printing-report .notice,body.printing-report .privacy-note,body.printing-report .checklist,body.printing-report textarea,body.printing-report label,body.printing-report .suggestion-form,body.printing-report .progress-line,body.printing-report .game-main>h2,body.printing-report .game-main>p,body.printing-report #compare-reflection{display:none!important}body.printing-report .print-report-content{display:block}body.printing-report main{padding:0;max-width:none;width:100%}body.printing-report details{break-inside:avoid}body.printing-report details>div{display:block}body.printing-report .metric{font-size:28pt}body.printing-report .answer-row{-webkit-print-color-adjust:exact;print-color-adjust:exact}body.printing-report .score-card{border:1px solid #aaa}body.printing-report h1{font-size:24pt}}