.activity-wrap{max-width:960px;margin:0 auto;padding:32px 24px 64px}
.activity-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.activity-toolbar a:not(.btn),.activity-print-help a{color:var(--vx-learning-ink,#24394c);text-underline-offset:3px}
.activity-toolbar .btn{min-height:48px;white-space:normal;text-align:center}
.activity-sheet{background:#fff;border:1px solid #dce2e6;padding:clamp(20px,5vw,52px);border-radius:16px;color:#24394c;line-height:1.65}
.activity-heading{border-bottom:2px solid #24394c;padding-bottom:20px;margin-bottom:28px}
.activity-heading h1{font-size:clamp(30px,4.5vw,48px);line-height:1.12;letter-spacing:-.03em;max-width:19ch;margin:14px 0 20px}
.activity-sheet h2{font-size:23px;line-height:1.25;margin:28px 0 12px;letter-spacing:-.015em}
.activity-sheet p{margin:12px 0}
.activity-sheet ul{padding-left:22px}
.activity-sheet li{margin:8px 0}
.activity-meta{font-size:14px;color:#536575}
.activity-sheet a{color:#254c70;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.activity-drawing{min-height:210px;border:1px solid #aab8c3;border-radius:8px;margin:22px 0;padding:12px;color:#5a6c7c;font-size:13px;background:repeating-linear-gradient(transparent,transparent 31px,#edf0f3 31px,#edf0f3 32px)}
.activity-response{min-height:76px;margin:14px 0 24px;background:repeating-linear-gradient(transparent,transparent 31px,#b7c2cb 31px,#b7c2cb 32px)}
.activity-response-short{min-height:40px}
.activity-table-wrap{max-width:100%;overflow-x:auto;margin:16px 0}
.activity-table-wrap:focus-visible,.activity-toolbar a:focus-visible,.activity-sheet a:focus-visible{outline:3px solid #aa4c20;outline-offset:4px}
.activity-sheet table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:14px;line-height:1.4}
.activity-sheet caption{text-align:left;font-weight:600;margin-bottom:12px}
.activity-sheet th,.activity-sheet td{border:1px solid #aab8c3;padding:12px 8px;text-align:left;vertical-align:middle;overflow-wrap:break-word}
.activity-sheet thead th{background:#edf2f5}
.activity-sheet th:first-child{width:9%}
.activity-blank{display:block;min-height:22px;border-bottom:1px solid #768897;min-width:24px}
.activity-feedback{border-top:1px solid #dce2e6;margin-top:24px}
.activity-credit{font-size:12px;color:#536575;border-top:1px solid #dce2e6;padding-top:18px}
.activity-print-help{background:#edf2f5;padding:18px 20px;border-left:3px solid #254c70;margin-bottom:24px;line-height:1.55}
.activity-print-help p{margin:0}
.activity-print-sources{display:none}
@media(max-width:480px){
  .activity-wrap{padding:20px 12px 40px}
  .activity-sheet{padding:20px 16px;border-radius:10px}
  .activity-toolbar{align-items:stretch;gap:20px}
  .activity-toolbar .btn{width:100%;display:flex;align-items:center;justify-content:center}
  .activity-sheet table{font-size:12px;line-height:1.35}
  .activity-sheet th,.activity-sheet td{padding:9px 4px}
  .activity-sheet th:first-child{width:12%}
}
@page{size:auto;margin:14mm}
@media print{
  html,body{background:#fff!important;color:#000!important;font-size:10pt!important;line-height:1.3!important}
  body>header,body>footer,body>.skip,.activity-toolbar,.activity-print-help,.activity-video-note{display:none!important}
  main,.activity-wrap{width:auto!important;max-width:none!important;margin:0!important;padding:0!important}
  .activity-sheet{border:0!important;border-radius:0;padding:0!important;line-height:1.3;color:#000;box-shadow:none!important}
  .activity-heading{border-bottom:1pt solid #333;padding-bottom:8pt;margin-bottom:10pt}
  .activity-heading h1{font-size:22pt!important;max-width:none;margin:5pt 0 8pt;line-height:1.1}
  .activity-heading .vx-learning-eyebrow{font-size:9pt!important;letter-spacing:.05em}
  .activity-sheet h2{font-size:13pt!important;margin:12pt 0 5pt;break-after:avoid}
  .activity-sheet p{margin:6pt 0}
  .activity-sheet ul{margin:6pt 0;padding-left:16pt}
  .activity-sheet li{margin:4pt 0}
  .activity-meta{font-size:9pt;color:#222}
  .activity-sheet a{color:#000;text-decoration:underline}
  .activity-drawing{height:100pt;min-height:100pt;border-radius:0;margin:10pt 0;padding:7pt;font-size:9pt;color:#333;background:none}
  .activity-page-two{break-before:page}
  .activity-page-two>section:first-child h2{margin-top:0}
  .activity-response{min-height:27pt;margin:6pt 0 10pt;border-bottom:1px solid #aaa;background:none}
  .activity-response-short{min-height:18pt}
  .activity-table-wrap{overflow:visible;margin:8pt 0}
  .activity-sheet table{font-size:9pt;line-height:1.25;break-inside:avoid}
  .activity-sheet th,.activity-sheet td{padding:5pt 4pt;border-color:#777}
  .activity-sheet caption{margin-bottom:5pt}
  .activity-blank{min-height:12pt}
  .activity-feedback{margin-top:10pt}
  .activity-credit{font-size:8pt;color:#222;padding-top:6pt;margin-top:8pt!important}
  .activity-print-sources{display:block;font-size:7pt;overflow-wrap:anywhere;line-height:1.25}
}