/* ════════════════════════════════════════════════════════════
   EB.Academy — Ebook Reader shell (shared across all ebooks)
   Per-book page sets only: --accent, --accent-2, --accent-bg,
   --accent-border, --author-img  (in its own <style>:root{...}).
   Pair with: /_shared.css, /ebook-reader.js, /ebook-auth.js
   ════════════════════════════════════════════════════════════ */
/* ============================================================
   EB.Academy — Ebook Reader  (self-contained for preview)
   Per-book accent: change --accent / --accent-2 / --accent-bg only.
   Production: also <link href="/_shared.css"> + nav.js + ebook-auth.js
   ============================================================ */
:root{
  /* brand tokens (mirror _shared.css) */
  --navy:#0F1B2D; --navy-2:#162440; --navy-deep:#0A1520; --navy-light:#1F3352;
  --gold:#C8A96E; --cream:#F0EDE6; --cream-2:#E8E3DA;
  --ink:#0F1B2D; --read-ink:#1C2B3A; --mid:#3D5068; --muted:#6B7E93; --faint:#A8B8C8;
  --border:#dde4ed; --border-2:#c8d2de; --line:#E4DED2;
  --paper:#FDFCFA;
  --r-sm:6px; --r-md:10px; --r-lg:14px; --r-xl:18px;
  --measure:660px;
  --body:'Be Vietnam Pro',sans-serif;
  --head:'Fira Sans','Be Vietnam Pro',sans-serif;
  --pad:clamp(18px,5vw,48px);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%}
body{font-family:var(--body);background:var(--paper);color:var(--read-ink);line-height:1.78;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:var(--body);cursor:pointer}

/* ---- reading progress bar ---- */
.r-prog{position:fixed;top:0;left:0;height:3px;width:0;background:var(--accent);z-index:500;transition:width .08s linear;pointer-events:none}

/* ---- top reading bar (brand + contextual nav, house style) ---- */
.r-nav{position:sticky;top:0;z-index:430;background:var(--navy);height:56px;display:flex;align-items:center;gap:10px;padding:0 var(--pad);box-shadow:0 1px 0 rgba(255,255,255,.08)}
.r-nav__brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.r-nav__brand svg{height:24px;width:auto;display:block}
.r-nav__tag{font-family:var(--body);font-size:10.5px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:#EB6E21}
.r-nav__sp{flex:1}
.r-nav__lib,.r-nav__toc{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.09);border:none;color:rgba(255,255,255,.85);font-size:13px;padding:7px 12px;border-radius:var(--r-sm);transition:background .15s;cursor:pointer;font-family:var(--body);white-space:nowrap}
.r-nav__lib:hover,.r-nav__toc:hover{background:rgba(255,255,255,.16)}
.r-nav__lib svg,.r-nav__toc svg{width:15px;height:15px;flex-shrink:0;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.r-nav__cta{font-size:12.5px;font-weight:600;color:#fff;background:var(--accent);border:none;padding:8px 16px;border-radius:var(--r-sm);transition:background .15s;white-space:nowrap}
.r-nav__cta:hover{background:var(--accent-2)}
@media(max-width:640px){.r-nav__cta{display:none}}
@media(max-width:430px){.r-nav__lib span,.r-nav__tag{display:none}.r-nav__lib,.r-nav__toc{padding:7px 10px}}
/* ---- slide-in TOC ---- */
.toc-overlay{position:fixed;inset:0;background:rgba(10,21,32,.55);opacity:0;visibility:hidden;transition:opacity .25s;z-index:450}
.toc-overlay.open{opacity:1;visibility:visible}
.toc-panel{position:fixed;top:0;left:0;height:100%;width:min(330px,88vw);background:var(--navy);
  transform:translateX(-100%);transition:transform .28s cubic-bezier(.4,0,.2,1);z-index:460;display:flex;flex-direction:column}
.toc-panel.open{transform:translateX(0)}
.toc-panel__head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px 16px;border-bottom:1px solid rgba(255,255,255,.08)}
.toc-panel__head h3{font-family:var(--head);font-size:14px;font-weight:600;color:#fff;letter-spacing:.3px}
.toc-close{background:none;border:none;color:rgba(255,255,255,.55);padding:4px}
.toc-close:hover{color:#fff}
.toc-close svg{width:20px;height:20px;display:block}
.toc-body{overflow-y:auto;padding:8px 0 40px;flex:1}
.toc-part{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1.8px;color:var(--gold);padding:16px 20px 6px}
.toc-body a{display:flex;align-items:baseline;gap:10px;font-size:13.5px;color:rgba(255,255,255,.58);padding:9px 20px;line-height:1.4;border-left:2px solid transparent;transition:color .15s,background .15s}
.toc-body a:hover{color:#fff;background:rgba(255,255,255,.05)}
.toc-body a.current{color:#fff;border-left-color:var(--accent);background:rgba(235,110,33,.09);font-weight:500}
.toc-body a .num{font-size:11px;color:rgba(255,255,255,.32);min-width:20px;flex-shrink:0}

/* ---- author avatar (shared across all books) ---- */
.avatar{display:inline-block;border-radius:50%;background:var(--author-img) center/cover no-repeat;background-color:var(--navy-light);background-clip:padding-box;flex-shrink:0}
.cover__author{display:inline-flex;align-items:center;gap:13px;margin:0 auto 20px;max-width:100%;text-align:left;vertical-align:middle}
.cover__author .avatar{width:48px;height:48px;border:2px solid rgba(255,255,255,.28)}
.cover__author-name{min-width:0;font-size:12.5px;line-height:1.35;color:rgba(255,255,255,.58)}
.cover__author-name strong{display:block;color:#fff;font-weight:600;font-size:15px;letter-spacing:.2px;margin-bottom:1px}
.author-card{display:flex;align-items:center;gap:16px;margin:36px 0 6px;padding:18px 20px;background:var(--cream);border:1px solid var(--line);border-radius:var(--r-lg)}
.author-card .avatar{width:60px;height:60px;border:2px solid #fff;box-shadow:0 2px 8px rgba(15,27,45,.12)}
.author-card__name{font-family:var(--head);font-size:16px;color:var(--navy);font-weight:700;margin-bottom:3px}
.author-card__role{font-size:13px;color:var(--mid);line-height:1.55}
/* ---- cover ---- */
.cover{background:linear-gradient(150deg,var(--navy) 0%,var(--navy-2) 50%,var(--navy-deep) 100%);color:#fff;
  padding:clamp(44px,9vw,84px) var(--pad) clamp(48px,9vw,72px);position:relative;overflow:hidden;text-align:center}
.cover::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 50% 0%,rgba(235,110,33,.13) 0%,transparent 65%);pointer-events:none}
.cover__inner{max-width:var(--measure);margin:0 auto;position:relative}
.cover__logo{height:30px;margin:0 auto 30px;opacity:.95}
.cover__logo svg{height:30px;width:auto;display:block;margin:0 auto}
.cover__series{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:2px;color:var(--gold);margin-bottom:22px}
.cover__series-dot{width:4px;height:4px;border-radius:50%;background:var(--gold);opacity:.6}
.cover h1{font-family:var(--head);font-size:clamp(30px,7vw,52px);font-weight:700;line-height:1.08;letter-spacing:-.5px;margin-bottom:8px}
.cover h1 em{font-style:normal;color:var(--accent)}
.cover__subtitle{font-family:var(--head);font-size:clamp(15px,3vw,19px);color:rgba(255,255,255,.6);margin-bottom:22px;font-weight:400}
.cover__tagline{font-size:14.5px;font-style:italic;color:rgba(255,255,255,.62);line-height:1.6;max-width:440px;margin:0 auto 26px}
.cover__meta{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);margin-bottom:26px}
.cover__meta strong{color:rgba(255,255,255,.85);font-weight:600}
.cover__ed{display:inline-block;font-size:11px;color:rgba(255,255,255,.42);border:1px solid rgba(255,255,255,.16);border-radius:20px;padding:5px 16px}
.cover__guide{display:flex;flex-direction:column;gap:10px;max-width:480px;margin:34px auto 0;text-align:left}
.cover__guide-item{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-md);padding:13px 15px;font-size:13px;color:rgba(255,255,255,.68);line-height:1.5}
.cover__guide-item .tag{flex-shrink:0;align-self:flex-start;margin-top:1px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--gold);background:rgba(200,169,110,.16);border:1px solid rgba(200,169,110,.28);padding:4px 9px;border-radius:20px;white-space:nowrap}
.cover__guide-item .txt{flex:1;min-width:0}

/* ---- disclaimer strip ---- */
.disc-strip{background:var(--cream);border-bottom:1px solid var(--line)}
.disc-strip__in{max-width:var(--measure);margin:0 auto;padding:15px var(--pad);font-size:12.5px;line-height:1.65;color:var(--muted)}
.disc-strip__in strong{color:var(--mid)}

/* ---- part header ---- */
.part-header{background:var(--cream);border-bottom:1px solid var(--line);padding:34px var(--pad) 30px;text-align:center}
.part-header__in{max-width:var(--measure);margin:0 auto}
.part-header .eb{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:2px;color:var(--accent);margin-bottom:10px}
.part-header h2{font-family:var(--head);font-size:clamp(20px,4vw,28px);color:var(--navy);font-weight:700;line-height:1.2;margin-bottom:12px}
.part-header p{font-size:15px;color:var(--mid);line-height:1.7;max-width:540px;margin:0 auto}

/* ---- chapter / prose ---- */
.chapter{padding:clamp(44px,8vw,68px) 0 26px;border-bottom:1px solid var(--line)}
.chapter:last-child{border-bottom:none}
.prose{max-width:var(--measure);margin:0 auto;padding:0 var(--pad)}
.chapter .eb{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:2px;color:var(--accent);margin-bottom:14px}
.chapter h2{font-family:var(--head);font-weight:700;font-size:clamp(24px,5vw,38px);line-height:1.12;letter-spacing:-.4px;color:var(--navy);margin-bottom:28px}
.prose p{font-size:clamp(16.5px,2.2vw,17.5px);line-height:1.82;color:var(--read-ink);margin-bottom:22px;letter-spacing:.03px}
.prose p.lead{font-size:clamp(17.5px,2.8vw,20px);line-height:1.7;color:var(--mid);margin-bottom:28px}
.prose h3{font-family:var(--head);font-size:clamp(18px,2.8vw,22px);font-weight:700;color:var(--navy);margin:42px 0 14px;line-height:1.3}
.prose strong{font-weight:600;color:var(--navy)}
.prose em{font-style:italic;color:var(--navy);font-weight:500}
.prose ul{margin:0 0 22px;padding-left:0;list-style:none}
.prose ul li{position:relative;padding-left:22px;font-size:clamp(16px,2.2vw,17px);line-height:1.7;color:var(--read-ink);margin-bottom:12px}
.prose ul li::before{content:'';position:absolute;left:4px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* pull-quote */
.pull{margin:36px 0;padding:6px 0 6px 22px;border-left:3px solid var(--accent);font-family:var(--head);font-size:clamp(18px,3vw,22px);line-height:1.45;color:var(--navy);font-weight:600}

/* callout / cross-ref */
.note{background:var(--accent-bg);border:1px solid var(--accent-border);border-radius:var(--r-md);padding:14px 18px;margin:26px 0;font-size:14.5px;line-height:1.65;color:var(--mid)}
.note b,.note strong{color:var(--accent-2)}
.note .ic{display:inline-block;margin-right:6px;font-weight:700;color:var(--accent)}
.xref{font-size:13.5px;font-style:italic;color:var(--muted);line-height:1.6;margin:24px 0;padding-left:14px;border-left:2px solid var(--border)}

/* reader cards (e.g. how-to-read, who-for) */
.rcards{display:flex;flex-direction:column;gap:12px;margin:24px 0}
.rcard{border:1.5px solid var(--border);border-radius:var(--r-md);padding:16px 18px;background:#fff}
.rcard h4{font-family:var(--head);font-size:15px;color:var(--navy);font-weight:700;margin-bottom:5px}
.rcard p{font-size:14px;color:var(--mid);line-height:1.6;margin:0}
.rcard .tag{display:inline-block;font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--accent);margin-bottom:7px}

/* chapter nav footer */
.chap-nav{display:flex;gap:12px;margin-top:14px;padding-top:8px}
.chap-nav a{flex:1;border:1.5px solid var(--border);border-radius:var(--r-md);padding:13px 16px;transition:border-color .2s,background .2s}
.chap-nav a:hover{border-color:var(--navy);background:rgba(15,27,45,.03)}
.chap-nav .dir{font-size:10.5px;text-transform:uppercase;letter-spacing:1.4px;color:var(--muted);margin-bottom:5px}
.chap-nav .ttl{font-family:var(--head);font-size:14px;color:var(--navy);font-weight:600;line-height:1.3}
.chap-nav .next{text-align:right}
@media(max-width:480px){.chap-nav{flex-direction:column}.chap-nav .next{text-align:left}}

/* divider */
.divider{background:var(--cream);padding:clamp(48px,8vw,68px) var(--pad);text-align:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.divider__in{max-width:var(--measure);margin:0 auto}
.divider .lbl{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:2px;color:var(--accent);margin-bottom:16px}
.divider h2{font-family:var(--head);font-size:clamp(22px,4vw,30px);color:var(--navy);margin-bottom:18px;font-weight:700}
.divider p{font-size:16px;color:var(--mid);line-height:1.75;margin-bottom:14px}

/* mid + end CTA */
.mid-cta{background:linear-gradient(135deg,var(--navy),var(--navy-2));border-radius:var(--r-lg);margin:38px 0;padding:34px 28px;text-align:center;position:relative;overflow:hidden}
.mid-cta::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 80% at 50% 100%,rgba(235,110,33,.13),transparent 65%)}
.mid-cta__in{position:relative}
.mid-cta .over{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:1.8px;color:var(--gold);margin-bottom:12px}
.mid-cta h3{font-family:var(--head);font-size:clamp(17px,3vw,22px);color:#fff;margin-bottom:10px;line-height:1.25;font-weight:700}
.mid-cta p{font-size:14px;color:rgba(255,255,255,.7);line-height:1.65;margin-bottom:20px}
.mid-cta .btn,.end-cta .btn{display:inline-flex;align-items:center;gap:7px;font-family:var(--body);font-weight:600;color:#fff;background:var(--accent);border:none;border-radius:var(--r-md);transition:background .2s,transform .15s}
.mid-cta .btn{font-size:14px;padding:11px 24px}
.mid-cta .btn:hover,.end-cta .btn:hover{background:var(--accent-2);transform:translateY(-1px)}
.end-cta{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 55%,var(--navy-deep) 100%);padding:clamp(54px,10vw,78px) var(--pad);text-align:center;position:relative;overflow:hidden}
.end-cta::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 70% at 50% 100%,rgba(235,110,33,.13),transparent 65%)}
.end-cta__in{max-width:520px;margin:0 auto;position:relative}
.end-cta .over{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:1.8px;color:var(--gold);margin-bottom:16px}
.end-cta h2{font-family:var(--head);font-size:clamp(24px,5vw,34px);color:#fff;margin-bottom:16px;font-weight:700;line-height:1.2}
.end-cta p{font-size:15.5px;color:rgba(255,255,255,.72);line-height:1.7;margin-bottom:28px}
.end-cta .btn{font-size:15px;padding:13px 28px}

/* preview-only banner */
.proto{background:#1a1a2e;color:rgba(255,255,255,.7);padding:9px var(--pad);font-size:12px;text-align:center;letter-spacing:.3px}
.proto strong{color:#fff}

@media(max-width:600px){
  .prose p{font-size:16.5px;line-height:1.8}
  .chapter{padding:38px 0 18px}
  .pull{font-size:18px}
}

/* ===== PART II — tools ===== */
.tool{padding:clamp(40px,7vw,60px) 0;border-bottom:1px solid var(--line);background:#F6F4F0}
.tool .prose{max-width:var(--measure)}
.tool__eyebrow{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:2px;color:var(--accent);margin-bottom:12px}
.tool h2{font-family:var(--head);font-size:clamp(22px,4.5vw,32px);color:var(--navy);font-weight:700;line-height:1.15;margin-bottom:14px}
.tool__intro{font-size:15px;color:var(--mid);line-height:1.7;font-style:italic;margin-bottom:24px}
.tool h3{font-family:var(--head);font-size:clamp(17px,2.6vw,21px);font-weight:700;color:var(--navy);margin:30px 0 12px;line-height:1.3}
.tool p{font-size:15.5px;line-height:1.75;color:var(--read-ink);margin-bottom:16px}
.tool p strong{color:var(--navy);font-weight:600}
.tool-index{list-style:none;margin:6px 0 0;padding:0}
.tool-index li{padding:13px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.55;color:var(--mid)}
.tool-index li:last-child{border-bottom:none}
.tool-index b{display:block;font-family:var(--head);color:var(--navy);font-size:14.5px;margin-bottom:3px;font-weight:700}
.gov-links{display:flex;flex-direction:column;gap:10px;margin:22px 0}
.gov-link{display:flex;gap:13px;align-items:flex-start;background:#fff;border:1.5px solid var(--border);border-radius:var(--r-md);padding:14px 15px;transition:border-color .2s,box-shadow .2s}
.gov-link:hover{border-color:var(--navy);box-shadow:0 6px 18px rgba(15,27,45,.06)}
.gov-link__ic{width:34px;height:34px;border-radius:8px;background:var(--navy);flex-shrink:0;display:flex;align-items:center;justify-content:center}
.gov-link__ic svg{width:17px;height:17px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.gov-link__b{flex:1;min-width:0;display:flex;flex-direction:column}
.gov-link__t{font-size:14px;font-weight:600;color:var(--navy);margin-bottom:4px;line-height:1.35}
.gov-link__d{font-size:13px;color:var(--muted);line-height:1.55}
.gov-link__u{margin-top:7px;font-size:11.5px;font-weight:600;color:var(--accent)}
.cl-progress{display:flex;align-items:center;gap:13px;background:var(--cream);border:1px solid var(--line);border-radius:var(--r-md);padding:12px 15px;margin:20px 0;position:sticky;top:56px;z-index:50}
.cl-progress__bar{flex:1;height:6px;background:var(--cream-2);border-radius:3px;overflow:hidden}
.cl-progress__fill{height:100%;border-radius:3px;background:linear-gradient(90deg,var(--accent),var(--gold));width:0;transition:width .35s}
.cl-progress__n{font-size:13px;font-weight:600;color:var(--navy);white-space:nowrap}
.cl-group{margin:20px 0}
.cl-group__h{font-family:var(--head);font-size:16px;font-weight:700;color:var(--navy);margin-bottom:4px}
.cl-sub{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;color:var(--accent);margin:16px 0 8px}
.cl-item{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--line);cursor:pointer}
.cl-item:last-child{border-bottom:none}
.cl-item input{width:19px;height:19px;border-radius:5px;flex-shrink:0;margin-top:2px;accent-color:var(--accent);cursor:pointer}
.cl-item span{font-size:14.5px;color:var(--read-ink);line-height:1.55}
.cl-item.done span{color:var(--muted);text-decoration:line-through}
.cmp{display:flex;flex-direction:column;gap:12px;margin:22px 0}
.cmp-card{background:#fff;border:1.5px solid var(--border);border-radius:var(--r-md);padding:15px 17px}
.cmp-card__t{font-family:var(--head);font-size:15.5px;font-weight:700;color:var(--navy);margin-bottom:4px;line-height:1.3}
.cmp-card__tag{font-size:13px;font-style:italic;color:var(--muted);line-height:1.5;margin-bottom:8px}
.cmp-row{display:flex;gap:10px;font-size:13.5px;line-height:1.5;padding:6px 0;border-top:1px solid var(--line)}
.cmp-row .k{flex-shrink:0;width:116px;color:var(--muted);font-weight:600}
.cmp-row .v{flex:1;color:var(--read-ink)}
.cmp-row .v strong{color:var(--navy)}
.steps{margin:20px 0;display:flex;flex-direction:column;gap:14px}
.step{display:flex;gap:13px}
.step__n{flex-shrink:0;width:30px;height:30px;border-radius:50%;background:var(--navy);color:#fff;font-family:var(--head);font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center}
.step__b{flex:1;min-width:0}
.step__t{display:block;font-family:var(--head);font-size:15px;font-weight:700;color:var(--navy);margin-bottom:5px;line-height:1.3}
.step__b p{font-size:14.5px;line-height:1.65;color:var(--read-ink);margin:0}
.misc{display:flex;flex-direction:column;gap:10px;margin:16px 0}
.misc-item{background:var(--accent-bg);border:1px solid var(--accent-border);border-radius:var(--r-md);padding:12px 15px}
.misc-item .q{font-weight:600;color:var(--accent-2);font-size:14px;margin-bottom:4px;line-height:1.4}
.misc-item .a{font-size:14px;color:var(--mid);line-height:1.6}

/* quiz */
.quiz{display:flex;flex-direction:column;gap:12px;margin:22px 0}
.q-card{background:#fff;border:1.5px solid var(--border);border-radius:var(--r-lg);padding:16px 17px;transition:border-color .2s}
.q-card.answered{border-color:var(--accent-border)}
.q-grp{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1.3px;color:var(--accent);margin-bottom:7px}
.q-text{font-size:15px;font-weight:500;color:var(--navy);line-height:1.5;margin-bottom:13px}
.q-opts{display:flex;flex-direction:column;gap:8px}
.q-opt{display:flex;align-items:center;justify-content:space-between;gap:10px;border:1.5px solid var(--border);background:var(--paper);border-radius:var(--r-md);padding:11px 14px;cursor:pointer;font-family:var(--body);font-size:14px;color:var(--mid);text-align:left;line-height:1.4;transition:border-color .15s,background .15s,color .15s}
.q-opt:hover{border-color:var(--accent);color:var(--navy)}
.q-opt.sel{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:500}
.q-opt .pts{font-size:11px;opacity:.5;flex-shrink:0;font-weight:600}
.q-opt.sel .pts{opacity:.7}
.score-card{position:sticky;bottom:14px;background:#fff;border:1.5px solid var(--border);border-radius:var(--r-lg);padding:15px 17px;margin-top:18px;box-shadow:0 -4px 22px rgba(15,27,45,.08),0 2px 8px rgba(15,27,45,.04)}
.score-card__top{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.score-card__num{font-family:var(--head);font-size:32px;font-weight:700;color:var(--navy);line-height:1}
.score-card__num small{font-size:14px;color:var(--muted);font-weight:400}
.score-card__bar{flex:1;min-width:100px;height:8px;background:var(--cream-2);border-radius:4px;overflow:hidden}
.score-card__fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--gold));border-radius:4px;transition:width .4s cubic-bezier(.4,0,.2,1)}
.score-card__v{font-size:14px;color:var(--mid);line-height:1.6;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.score-card__v strong{color:var(--navy)}
/* remember (10 things) */
.remember{display:flex;flex-direction:column;gap:12px;margin:22px 0}
.rem{display:flex;gap:13px}
.rem__n{flex-shrink:0;width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;font-family:var(--head);font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center}
.rem__b{flex:1;min-width:0}
.rem__t{display:block;font-family:var(--head);font-size:15px;font-weight:700;color:var(--navy);margin-bottom:4px;line-height:1.35}
.rem__b p{font-size:14.5px;line-height:1.65;color:var(--read-ink);margin:0}
/* glossary */
.gloss{margin:18px 0}
.gloss-cat{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.3px;color:var(--accent);margin:20px 0 10px;padding-bottom:6px;border-bottom:1px solid var(--line)}
.gloss-item{padding:9px 0;border-bottom:1px solid var(--line)}
.gloss-t{display:block;font-weight:600;color:var(--navy);font-size:14.5px;margin-bottom:2px}
.gloss-d{display:block;font-size:13.5px;color:var(--mid);line-height:1.55}
/* sources */
.src-list{display:flex;flex-direction:column;gap:8px;margin:16px 0}
.src{display:block;background:#fff;border:1.5px solid var(--border);border-radius:var(--r-md);padding:12px 15px;transition:border-color .2s}
.src:hover{border-color:var(--navy)}
.src__t{display:block;font-size:14px;font-weight:600;color:var(--navy);margin-bottom:3px}
.src__u{font-size:11.5px;font-weight:600;color:var(--accent)}
.src__d{display:block;font-size:13px;color:var(--muted);line-height:1.5}
/* colophon */
.colophon{display:flex;gap:16px;align-items:center;max-width:var(--measure);margin:0 auto;padding:32px var(--pad) 44px}
.colophon .avatar{width:54px;height:54px;border:2px solid var(--border);flex-shrink:0}
.colophon__name{font-family:var(--head);font-size:15px;font-weight:700;color:var(--navy);margin-bottom:5px}
.colophon__b p{font-size:12.5px;color:var(--muted);line-height:1.55;margin:0 0 3px}
.colophon__b a{color:var(--accent);font-weight:600}

/* ---- soft gate (rendered by /ebook-auth.js) ---- */
.ebook-gate__card{background:linear-gradient(135deg,var(--navy),var(--navy-2));border-radius:var(--r-lg);padding:40px;color:#fff;max-width:620px;margin:0 auto;text-align:center}
.ebook-gate__eyebrow{font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--gold);margin-bottom:12px}
.ebook-gate__h{font-family:var(--head);font-size:22px;margin-bottom:12px}
.ebook-gate__p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.6;margin-bottom:24px}
.ebook-gate__form{display:flex;gap:10px;max-width:440px;margin:0 auto;flex-wrap:wrap}
.ebook-gate__form input{flex:1;min-width:200px;padding:13px 16px;border-radius:var(--r-md);border:1.5px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;font-family:var(--body);font-size:14px}
.ebook-gate__form input::placeholder{color:rgba(255,255,255,.45)}
.ebook-gate__note{font-size:12px;color:rgba(255,255,255,.4);margin-top:16px}
.body-after-gate{margin-top:40px}
    <div class="ebook-gated body-after-gate" hidden>

@media(max-width:600px){.chap-nav{display:none}}
@media(max-width:640px){.r-nav__lib{display:none}}

/* locked TOC entries (soft gate) + anchor offset under sticky nav */
.toc-body a.locked{opacity:.55}
.toc-body a .toc-lock{margin-left:auto;flex-shrink:0;opacity:.75;align-self:center}
[id]{scroll-margin-top:66px}