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  .original-card>h3,.library-title{font-size:1rem;line-height:1.5}
  h4,.original-subhead{font-size:.9375rem}
  .source-table{font-size:inherit}
  .source-table td:first-child,:is(.table-1,.table-3,.table-4,.table-5,.table-6) td:first-child{font-size:.875rem}
  .source-table td:before,:is(.table-1,.table-3,.table-4,.table-5,.table-6) td:before{font-size:.75rem;margin-bottom:.1rem}
  .source-table tr{margin-bottom:.6rem}
  :is(.table-1,.table-3,.table-4,.table-5,.table-6) tr{margin-bottom:0}
  .source-table td,:is(.table-1,.table-3,.table-4,.table-5,.table-6) td{padding:.4rem .65rem}
  .example-library{padding:.65rem}
  .example-card{padding:0;margin:.3rem 0}
  .example-card summary{padding:.45rem .6rem;gap:.3rem .45rem;min-height:44px}
  .example-card summary h3{font-size:.875rem;line-height:1.5}
  .example-type{font-size:.75rem;padding:.15rem .4rem}
  .example-body{padding:.3rem .7rem .55rem}
  .stage-direction,.script-label,.example-body>p:first-child{font-size:.8125rem}
}

/* Desktop reading rhythm; retain the compact phone layout. */
@media screen and (min-width:721px){
  body{line-height:1.78}
  p{margin:.4rem 0 .65rem}
  .source-list{margin:.5rem 0}
  .card{padding:1.1rem 1.25rem;margin:.8rem 0}
  .original-card>h3{margin-bottom:.7rem}
  .original-card blockquote{line-height:1.78;margin:.65rem 0;padding:.65rem .85rem}
  .goal{padding:.6rem .8rem;margin:.75rem 0}
  .original-subhead{line-height:1.7;margin-top:1.1rem}
  .source-table{line-height:1.75}
  .source-table p{margin-bottom:.7rem}
  .source-table p:last-child{margin-bottom:0}
  .source-table th,.source-table td{padding:.65rem .8rem}
  :is(.table-1,.table-3,.table-4,.table-5,.table-6) td{padding:.65rem .85rem}
  .source-framework p{padding:.45rem 0}
  .example-card{padding:0;margin:.45rem 0}
  .example-card summary{padding:.7rem .9rem}
  .example-body{padding:.5rem 1.05rem .85rem}
  .example-body blockquote{padding:0;margin:.6rem 0}
  .example-body .script-label{margin-top:1rem}
}

.example-subnav{margin:.2rem 0 .35rem .7rem;padding-left:.65rem;border-left:1px solid #435978}.example-subnav .nav-detail{font-size:.8125rem;color:#a4b6d0;padding-top:.3rem;padding-bottom:.3rem}

/* Swipeable revision deck. Native scrolling preserves vertical page gestures. */
.flash-intro,.flash-instruction{color:var(--muted)}
.flash-deck{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;scrollbar-width:thin;padding:5px 4px 14px}
.flash-card{flex:0 0 100%;border:0;background:none;padding:0;text-align:left;color:inherit;font:inherit;cursor:pointer;scroll-snap-align:center;perspective:1200px;min-width:0;touch-action:pan-x pan-y pinch-zoom}
.flash-inner{display:grid;transform-style:preserve-3d;transition:transform .4s ease}
.flash-card[aria-pressed="true"] .flash-inner{transform:rotateY(180deg)}
.flash-face{grid-area:1/1;display:flex;flex-direction:column;justify-content:center;gap:18px;min-height:290px;padding:30px 36px;border:1px solid #d8e2f2;border-radius:18px;backface-visibility:hidden;-webkit-backface-visibility:hidden}
.flash-front{background:linear-gradient(125deg,#eef4ff,#fff);color:#172e50}
.flash-back{transform:rotateY(180deg);background:#142a48;color:#f3f7ff;border-color:#142a48}
.flash-eyebrow{font-size:.78rem;letter-spacing:.06em;color:#597298;font-weight:600}
.flash-back .flash-eyebrow,.flash-back .flash-hint{color:#a9c4e9}
.flash-question{font-size:1.6rem;line-height:1.5;font-weight:650;max-width:26em}
.flash-answer{font-size:1.25rem;line-height:1.6}
.flash-tip{color:#d5e1f1;line-height:1.75;max-width:44em}
.flash-hint{font-size:.8rem;color:#597298;margin-top:auto;padding-top:10px}
.flash-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:8px}
.flash-controls button{font:inherit;font-size:.875rem;border:1px solid #d8e2f2;border-radius:8px;background:white;color:#234b80;padding:9px 16px;cursor:pointer;min-height:44px}
.flash-controls button:disabled{opacity:.4;cursor:default}
.flash-count{font-variant-numeric:tabular-nums;color:var(--muted);font-size:.875rem}
.flash-instruction{font-size:.78rem;text-align:center}
.flash-card:focus-visible,.flash-controls button:focus-visible{outline:3px solid #397bea;outline-offset:2px}
@media(max-width:720px){.flash-face{min-height:310px;padding:22px;gap:14px}.flash-question{font-size:1.25rem}.flash-answer{font-size:1.05rem}.flash-tip{font-size:.875rem}.flash-deck{gap:12px}.flash-instruction{font-size:.72rem}}
@media(prefers-reduced-motion:reduce){.flash-inner{transition:none}}
@media print{.flash-deck{display:block;overflow:visible}.flash-card{display:block;break-inside:avoid;width:100%;margin-bottom:16px}.flash-inner{display:block;transform:none!important}.flash-face{min-height:0;transform:none;background:white;color:black;padding:12px}.flash-tip{color:black}.flash-controls,.flash-hint,.flash-instruction{display:none}}