/* =====================================================================
   كَليتاك ورحلةُ العِلاج — Dialysis patient-education book
   Web edition · RTL Arabic · nephrozayan.org
   Palette: NAVY #1F3864 · BROWN #8F4D38 · GOLD #D9A441 · BODY #2C2C2C
   ===================================================================== */

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/* =====================================================================
   NephroZayan patient-reading system — 2026
   Warm Arabic editorial typography, calm medical colour coding and
   accessible reading controls for patients and families.
   ===================================================================== */
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html[data-reading-size="0"] body{font-size:19px}
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figure.fig{border-radius:12px;box-shadow:0 14px 38px rgba(31,56,100,.09)}
figure.fig:hover{transform:translateY(-2px)}
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.chap-nav a{border-radius:9px;box-shadow:0 7px 22px rgba(31,56,100,.07)}

@media(max-width:850px){
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  .toc-grid{grid-template-columns:1fr}
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}
@media(max-width:650px){
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  .brand .dot{width:45px;height:36px}
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  .reading-tools{gap:.3rem}
  .reading-tools button{min-width:44px;height:44px}
  .topbar a.toc-link{font-size:.82rem;padding:.34rem .58rem}
  .cover-hero-inner{padding:2.6rem 1rem 3rem}
  .cover-hero h1{font-size:2.8rem}
  .cover-hero .sub{font-size:1.04rem}
  .cover-art{padding:.65rem}
  .toc-wrap{padding:2.5rem 1rem 4rem}
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  main{padding-inline:1rem}
  .opener{padding-top:2.6rem}
  .reader-step{grid-template-columns:44px 1fr;padding:.85rem;gap:.75rem}
  .reader-step .step-number{width:40px;height:40px;font-size:1rem}
}