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@media print{:root{--bg:#fff;--text:#123237;--muted:#405b60;--panel:#f4f8f6;--line:#ccd9d5;--accent:#006b60;--ink:#fff;--soft:#e7f2ee;color-scheme:light}.toolbar,.contents,.cover-links,.presentation-controls,.page-footer,.model-details{display:none!important}.presenting{overflow:visible}.presenting .cover,.presenting .reference-list,.presenting .reading-detail{display:block}.presenting .chapter,.chapter{display:block!important;height:auto!important;overflow:visible!important;break-before:page;padding:20px 0;animation:none}.cover{padding:50px 0}main{max-width:none;padding:0}h2{font-size:30px}.screens img{height:220px!important}.card,.chart,.table-wrap{break-inside:avoid}.sources{font-size:9px}a{color:inherit}.reference-list{break-before:page;padding-top:20px}.reference-list ol{columns:1}@page{size:A4;margin:17mm}}

/* Keep the screen presentation concise at standard laptop height. */
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/* Two explicit export formats; the print document always has a white background. */
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