:root{color-scheme:dark;--ink: #f6f0e6;--body: #dce2e5;--muted: #aab4bd;--quiet: #7f8993;--line: #343b43;--paper: #090b0d;--paper-soft: #101316;--panel: #171b1f;--panel-strong: #20262b;--blue: #8fd3ff;--green: #84dfa9;--red: #ff8175;--gold: #f2ca68;--violet: #cab2ff;--shadow: rgba(0, 0, 0, .34)}*{box-sizing:border-box}html{background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.65}body{background:linear-gradient(180deg,#f2ca680f,#090b0d00 280px),var(--paper);margin:0;min-width:320px}a{color:inherit;text-decoration-color:#8fd3ff94;text-decoration-thickness:1px;text-underline-offset:4px}a:hover{color:var(--blue);text-decoration-color:currentColor}button{font:inherit}h1,h2,h3,p{margin:0}.book-reader{align-content:center;display:grid;gap:18px;margin:0 auto;min-height:100vh;padding:22px 16px}.book-stage{display:grid;justify-items:center;perspective:1800px}.book-page{background:linear-gradient(90deg,rgba(0,0,0,.28),transparent 11%,transparent 89%,rgba(0,0,0,.24)),var(--panel);border:1px solid rgba(143,211,255,.18);border-radius:8px;box-shadow:0 28px 80px var(--shadow);height:min(780px,calc(100vh - 116px));overflow:hidden;transform-origin:left center;width:min(900px,calc(100vw - 32px))}.book-page.turn-next{animation:page-turn-next .36s ease-out both}.book-page.turn-prev{animation:page-turn-prev .32s ease-out both;transform-origin:right center}.page-inner{display:flex;flex-direction:column;gap:18px;height:100%;overflow-y:auto;padding:clamp(24px,4vw,54px)}.eyebrow{color:var(--gold);font-size:12px;font-weight:850;letter-spacing:0;line-height:1.35;text-transform:uppercase}.book-page h1{color:var(--ink);font-size:clamp(30px,5.3vw,58px);line-height:1.05;max-width:780px;overflow-wrap:anywhere}.book-page[data-page-kind=brief] h1,.book-page[data-page-kind=deep-dive] h1{font-size:clamp(26px,4.4vw,44px);line-height:1.14}.page-copy{color:var(--body);display:grid;gap:18px;max-width:760px}.cover-summary,.opening-prose{color:var(--body);font-size:clamp(17px,2.1vw,22px);line-height:1.75}.content-policy{border-left:3px solid var(--gold);color:var(--muted);font-size:14px;line-height:1.6;margin-top:4px;padding-left:12px}.cover-meter{display:flex;flex-wrap:wrap;gap:8px}.cover-meter span{background:var(--paper-soft);border:1px solid var(--line);color:var(--muted);display:inline-flex;font-size:12px;font-weight:800;line-height:1.2;padding:8px 10px;text-transform:uppercase}.opening-list{display:grid;gap:12px;list-style:none;margin:0;padding:0}.opening-list li{background:#ffffff06;border-left:3px solid var(--gold);color:var(--body);font-size:15px;line-height:1.65;padding:12px 14px}.book-facts{display:grid;gap:12px}.fact-block{background:#ffffff06;border:1px solid rgba(255,255,255,.06);border-radius:8px;display:grid;gap:6px;padding:13px 14px}.fact-block span{color:var(--blue);font-size:11px;font-weight:900;line-height:1.35;text-transform:uppercase}.fact-block p{color:var(--body);font-size:15px;line-height:1.62;overflow-wrap:anywhere}blockquote{border-left:3px solid var(--violet);color:var(--muted);font-size:15px;line-height:1.7;margin:2px 0 0;padding-left:14px}.citation-link{align-items:center;border:1px solid var(--line);border-radius:8px;color:var(--body);display:inline-flex;gap:10px;justify-self:start;margin-top:auto;max-width:100%;padding:10px 12px;text-decoration:none}.citation-link span{color:var(--gold);font-size:11px;font-weight:900;text-transform:uppercase}.citation-link strong{font-size:13px;font-weight:800;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.source-grid{display:grid;gap:8px;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));list-style:none;margin:0;padding:0}.source-chip{align-items:center;background:var(--paper-soft);border:1px solid var(--line);border-radius:8px;display:inline-flex;gap:8px;min-height:38px;min-width:0;padding:6px 10px 6px 6px}.source-chip span:nth-child(2){color:var(--muted);flex:1;font-size:12px;font-weight:750;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.source-chip strong{color:var(--green);font-size:13px}.source-dot{align-items:center;background:var(--gold);border-radius:6px;color:#111315;display:inline-flex;flex:0 0 auto;font-size:10px;font-weight:900;height:26px;justify-content:center;width:26px}.book-controls{align-items:center;display:grid;gap:10px;grid-template-columns:86px minmax(100px,auto) 86px;justify-content:center}.book-controls button{background:var(--panel-strong);border:1px solid var(--line);border-radius:8px;color:var(--ink);cursor:pointer;font-size:13px;font-weight:850;min-height:40px;padding:8px 12px;text-transform:uppercase}.book-controls button:hover:not(:disabled){border-color:var(--blue);color:var(--blue)}.book-controls button:disabled{color:var(--quiet);cursor:not-allowed;opacity:.55}.book-controls span{color:var(--muted);font-size:13px;font-weight:800;text-align:center}.error-state{align-content:center;display:grid;gap:16px;margin:0 auto;max-width:620px;min-height:100vh;padding:32px 18px}@keyframes page-turn-next{0%{opacity:0;transform:rotateY(-14deg) translate(18px)}to{opacity:1;transform:rotateY(0) translate(0)}}@keyframes page-turn-prev{0%{opacity:0;transform:rotateY(14deg) translate(-18px)}to{opacity:1;transform:rotateY(0) translate(0)}}@media(max-width:680px){.book-reader{align-content:start;padding:12px}.book-page{height:calc(100vh - 82px);width:calc(100vw - 24px)}.page-inner{padding:22px 18px}.book-page.turn-next,.book-page.turn-prev{animation-name:page-slide-fade;transform-origin:center}.book-controls{grid-template-columns:74px minmax(96px,auto) 74px}.book-controls button{font-size:12px;min-height:38px;padding:8px 10px}}@media(prefers-reduced-motion:reduce){.book-page.turn-next,.book-page.turn-prev{animation:page-fade .12s ease-out both}}@keyframes page-slide-fade{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes page-fade{0%{opacity:0}to{opacity:1}}