/* The Expanded Digital Edition — self-contained, dark, premium. */
:root{--bg:#0a0b0f;--card:#14161d;--card-hover:#181b24;--border:#23262f;--text:#f3f4f6;--dim:#9aa0ac;--faint:#6b7180;--accent:#7c9cff;--serif:"Fraunces",Georgia,serif;--sans:"Inter",system-ui,sans-serif;--mono:"JetBrains Mono",ui-monospace,monospace;--maxw:840px;--ease:cubic-bezier(.16,1,.3,1)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body.ed{font-family:var(--sans);background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased;position:relative}
body.ed::before{content:"";position:fixed;inset:0;background:radial-gradient(60% 50% at 12% -5%,rgba(124,156,255,.13),transparent 70%),radial-gradient(48% 45% at 88% 6%,rgba(184,156,255,.10),transparent 70%),radial-gradient(55% 50% at 50% 105%,rgba(94,211,168,.07),transparent 70%);pointer-events:none;z-index:0}
.grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.022;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
a{color:inherit;text-decoration:none}
.arw{width:13px;height:13px;flex:none}
.ed__hero,.ed__main,.ed__foot{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px}
.ed__hero{padding-top:clamp(40px,8vw,84px);padding-bottom:clamp(28px,5vw,48px)}
.ed__back{font-family:var(--mono);font-size:13px;color:var(--dim)}
.ed__back:hover{color:var(--accent)}
.ed__eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-top:22px}
.ed__title{font-family:var(--serif);font-weight:500;font-size:clamp(34px,6vw,56px);line-height:1.02;letter-spacing:-.02em;margin-top:14px}
.ed__sub{font-family:var(--serif);font-size:clamp(17px,2.5vw,21px);color:#cdd2dc;margin-top:14px}
.ed__intro{color:var(--dim);margin-top:16px;max-width:680px}
.ed__meta{display:flex;flex-wrap:wrap;gap:10px;font-family:var(--mono);font-size:12px;color:var(--faint);margin-top:18px}
.ed__controls{display:flex;gap:10px;margin-top:24px}
.ed__btn{font-family:var(--mono);font-size:13px;color:#0a0b0f;background:var(--text);border:1px solid var(--text);border-radius:99px;padding:9px 16px;cursor:pointer;transition:transform .2s var(--ease),opacity .2s}
.ed__btn:hover{transform:translateY(-1px);opacity:.92}
.ed__btn--ghost{color:var(--text);background:transparent;border-color:var(--border)}
.ed__btn--ghost:hover{border-color:var(--dim)}
.part{display:flex;gap:16px;align-items:flex-start;margin:54px 0 18px;padding-top:26px;border-top:1px solid var(--border)}
.part:first-of-type{border-top:none;margin-top:8px}
.part__ic{width:40px;height:40px;flex:none;display:grid;place-items:center;border-radius:12px;color:var(--ac);background:color-mix(in srgb,var(--ac) 14%,transparent);border:1px solid color-mix(in srgb,var(--ac) 30%,transparent)}
.part__ic svg{width:20px;height:20px}
.part__eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ac)}
.part__name{font-family:var(--serif);font-weight:500;font-size:26px;letter-spacing:-.01em;margin-top:4px}
.part__blurb{color:var(--dim);margin-top:4px}
.lw{border:1px solid var(--border);border-radius:16px;background:var(--card);margin:10px 0;overflow:hidden;transition:border-color .2s,background .2s}
.lw[open]{border-color:color-mix(in srgb,var(--ac) 40%,var(--border));background:var(--card-hover)}
.lw__sum{display:flex;align-items:center;gap:16px;padding:18px 20px;cursor:pointer;list-style:none}
.lw__sum::-webkit-details-marker{display:none}
.lw__no{font-family:var(--mono);font-weight:600;font-size:14px;color:var(--ac);flex:none;width:28px}
.lw__head{flex:1;min-width:0}
.lw__name{display:block;font-family:var(--serif);font-weight:500;font-size:19px;letter-spacing:-.01em}
.lw__tag{display:block;font-family:var(--serif);font-style:italic;font-size:14px;color:var(--ac);margin-top:2px}
.lw__chev{flex:none;color:var(--faint);transition:transform .25s var(--ease)}
.lw__chev svg{width:18px;height:18px}
.lw[open] .lw__chev{transform:rotate(180deg)}
.lw__open{padding:0 20px 22px;border-top:1px solid var(--border)}
.lw__fig{margin:18px 0;border-radius:12px;overflow:hidden;background:color-mix(in srgb,var(--ac) 6%,#0e1016);border:1px solid color-mix(in srgb,var(--ac) 16%,transparent)}
.lw__fig img{display:block;width:100%;height:auto;max-height:520px;object-fit:contain}
.lw__txt>p,.lw__txt ul,.lw__txt ol{font-size:15.5px;color:#dfe2e8}
.lw__lbl{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-top:18px;margin-bottom:4px;font-weight:600}
.lw__lbl--ac{color:var(--ac)}
.lw__ul,.lw__ol{margin:6px 0 0 2px;padding:0}
.lw__ul li,.lw__ol li{margin:0 0 6px 0;padding-left:24px;position:relative;list-style:none}
.lw__ul li::before{content:"";position:absolute;left:6px;top:10px;width:5px;height:5px;border-radius:50%;background:var(--ac)}
.lw__ol{counter-reset:ap}
.lw__ol li::before{counter-increment:ap;content:counter(ap);position:absolute;left:0;top:1px;width:17px;height:17px;border-radius:50%;background:color-mix(in srgb,var(--ac) 18%,transparent);color:var(--ac);font-family:var(--mono);font-size:10px;font-weight:600;display:grid;place-items:center}
.lw__call{margin-top:16px;padding:14px 16px;border-radius:12px;background:color-mix(in srgb,var(--ac) 7%,#0e1016);border:1px solid color-mix(in srgb,var(--ac) 18%,transparent);border-left:2.5px solid var(--ac)}
.lw__call .lw__lbl{margin-top:0}
.lw__src{margin:6px 0 0;padding:0;list-style:none}
.lw__src li{margin:0 0 6px}
.lw__src a{font-family:var(--mono);font-size:13px;color:var(--ac);display:inline-flex;align-items:center;gap:6px}
.lw__src a:hover{text-decoration:underline}
.ed__foot{padding:48px 24px 64px;border-top:1px solid var(--border);margin-top:54px;color:var(--faint);font-family:var(--mono);font-size:12.5px;text-align:center}
.ed__foot-sub{margin-top:8px}
.ed__foot a:hover{color:var(--accent)}
.progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:120;pointer-events:none}
.progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,#7c9cff,#5ed3a8)}
.part{scroll-margin-top:84px}
.lw{scroll-margin-top:84px}
/* Contents: a slide-in drawer on small screens, a fixed sidebar on large ones. */
.ed__toc{position:fixed;top:0;left:0;z-index:130;width:286px;max-width:84vw;height:100%;overflow:auto;padding:74px 18px 28px;background:#0e1016;border-right:1px solid var(--border);transform:translateX(-100%);visibility:hidden;transition:transform .28s var(--ease),visibility .28s}
.ed__toc.is-open{transform:none;visibility:visible}
.ed__toc-h{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:10px}
.ed__toc nav{display:flex;flex-direction:column;gap:2px}
.ed__toc a{font-size:13px;color:var(--dim);padding:7px 10px;border-radius:8px;border-left:2px solid transparent;line-height:1.3;transition:color .2s,border-color .2s,background .2s}
.ed__toc a span{display:block;font-family:var(--mono);font-size:10px;color:var(--faint);margin-bottom:1px}
.ed__toc a:hover{color:var(--text)}
.ed__toc a.is-active{color:var(--text);border-left-color:var(--ac,#7c9cff);background:color-mix(in srgb,#fff 5%,transparent)}
.ed__toc-backdrop{position:fixed;inset:0;z-index:125;background:rgba(0,0,0,.55);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}
.ed__toc-backdrop.is-open{opacity:1;visibility:visible}
.tocfab{position:fixed;left:22px;bottom:22px;z-index:90;display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 16px;border-radius:99px;border:1px solid var(--border);background:color-mix(in srgb,#14161d 92%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:var(--text);font-family:var(--mono);font-size:13px;cursor:pointer;transition:border-color .2s,color .2s}
.tocfab svg{width:16px;height:16px}
.tocfab:hover{border-color:var(--accent);color:var(--accent)}
@media(min-width:1300px){
  .ed__toc{position:fixed;top:104px;left:calc((100vw - 840px)/2 - 240px);width:212px;max-width:none;height:auto;max-height:calc(100vh - 150px);padding:0;background:none;border:none;transform:none;visibility:visible;z-index:80}
  .tocfab,.ed__toc-backdrop{display:none}
}
@media(max-width:560px){.lw__sum{gap:12px;padding:15px 16px}.lw__open{padding:0 16px 18px}.lw__name{font-size:17px}}