/* Manual: premium reading skin - paper body, strata-striped cover, typeset equations. */
@import url("../shared/fonts.css");
:root{--ink-0:#0b1117;--ink-1:#111a22;--ink-2:#17222c;--line:#27394a;--mud:#e8a33d;--water:#4fc3d9;--sand:#c9a36b;--shale:#5f7587;--lime:#d8d2c0;--paper:#f6f3ea;--text:#1d2630;--muted:#5d6b78;
  --f-head:"Barlow Semi Condensed","Arial Narrow",system-ui,sans-serif;--f-body:"Barlow",system-ui,sans-serif;--f-math:"Cambria Math",Cambria,Georgia,serif}
body{font-family:var(--f-body)!important;background:#e9e5d8!important;color:var(--text)}
.page{background:var(--paper)!important;box-shadow:0 18px 50px rgba(11,17,23,.28)!important;border-radius:6px}
h1,h2,h3,h4,.cover-title,.sec-ttl{font-family:var(--f-head)!important;letter-spacing:.005em}
h2{border-bottom:3px solid var(--mud)!important}
.cover-top{background:radial-gradient(120% 90% at 20% 0,#1e2c38,var(--ink-0))!important;position:relative;overflow:hidden}
.cover-top::after{content:"";position:absolute;left:0;right:0;bottom:0;height:8px;background:linear-gradient(90deg,var(--sand) 0 22%,var(--shale) 22% 47%,var(--lime) 47% 63%,var(--water) 63% 82%,var(--mud) 82%)}
.cover-title{font-weight:700!important}
.pill{border:1px solid rgba(232,163,61,.5)!important;background:rgba(232,163,61,.12)!important;color:#f3d9a8!important}
.sec-bar{background:linear-gradient(90deg,var(--ink-1),var(--ink-2))!important;border-left:6px solid var(--mud)!important}
.sec-num{font-family:var(--f-head)!important;color:var(--mud)!important}
.fcard{background:#fff!important;border:1px solid #ddd6c4!important;border-top:3px solid var(--sand)!important;border-radius:10px!important;transition:transform .2s,box-shadow .2s}
.fcard:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(11,17,23,.14)}
.fcard .eqn,.eqn{font-family:var(--f-math)!important;font-style:italic;background:rgba(201,163,107,.14)!important;border-left:3px solid var(--mud)!important;color:#2a2418!important}
code{font-family:var(--f-math)!important;font-style:italic}
th{background:var(--ink-1)!important;color:#dfe7ee!important;font-family:var(--f-head)}
td{font-variant-numeric:tabular-nums}
.badge.f{background:var(--mud)!important;color:var(--ink-0)!important}
.print-btn{background:linear-gradient(180deg,var(--mud),#b97c1e)!important;color:var(--ink-0)!important;font-family:var(--f-head);font-weight:700;border-radius:9px!important}
@media print{.print-btn{display:none}body{background:#fff!important}.page{box-shadow:none!important}}
.page-header{display:flex;justify-content:space-between;gap:12pt;font-family:var(--f-head);font-weight:600;font-size:8pt;color:#5d6b78;border-bottom:1pt solid #d9d2bf;padding-bottom:3pt;margin-bottom:8pt}