*,:after,:before{box-sizing:border-box}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}img,svg{display:block;max-width:100%}ol,ul{margin:0;padding:0;list-style:none}:root{--book-bg:#f4f4f1;--book-bg-wash:#eeefeb;--book-surface:#ffffff;--book-surface-soft:#f8f8f5;--book-surface-elevated:#ffffff;--book-text:#1d1d1d;--book-text-secondary:#676962;--book-text-muted:#92958e;--book-border:#e2e3dd;--book-brand:#181818;--book-brand-strong:#000000;--book-brand-soft:rgba(0,0,0,0.09);--book-brand-wash:rgba(0,0,0,0.045);--book-brand-on:#ffffff;--book-code-bg:#f0f1ed;--book-mark-bg:#e8e8e5;--book-shadow-soft:0 18px 50px rgba(35,31,28,0.07);--book-shadow-panel:0 22px 68px rgba(35,31,28,0.14);--book-overlay:rgba(18,17,17,0.34);--book-control-radius:12px;--book-panel-radius:20px;color-scheme:light}:root[data-book-theme=dark]{--book-bg:#151515;--book-bg-wash:#1b1b1b;--book-surface:#202120;--book-surface-soft:#282927;--book-surface-elevated:#30312f;--book-text:#f4f5f0;--book-text-secondary:#bdc0b7;--book-text-muted:#858980;--book-border:#3b3d39;--book-brand:#f1f1ef;--book-brand-strong:#ffffff;--book-brand-soft:rgba(255,255,255,0.13);--book-brand-wash:rgba(255,255,255,0.065);--book-brand-on:#111111;--book-code-bg:#2a2b29;--book-mark-bg:#333432;--book-shadow-soft:0 18px 50px rgba(0,0,0,0.22);--book-shadow-panel:0 24px 72px rgba(0,0,0,0.44);--book-overlay:rgba(0,0,0,0.62);color-scheme:dark}html:has(.book-app){min-height:100%;overflow-x:hidden;background:var(--book-bg)}body:has(.book-app){min-width:320px;min-height:100%;margin:0;background:var(--book-bg);color:var(--book-text);font-family:var(--font-inter),Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}.book-app{--book-bg:#f4f4f1;--book-bg-wash:#eeefeb;--book-surface:#ffffff;--book-surface-soft:#f8f8f5;--book-surface-elevated:#ffffff;--book-text:#1d1d1d;--book-text-secondary:#676962;--book-text-muted:#92958e;--book-border:#e2e3dd;--book-brand:#181818;--book-brand-strong:#000000;--book-brand-soft:rgba(0,0,0,0.09);--book-brand-wash:rgba(0,0,0,0.045);--book-brand-on:#ffffff;--book-code-bg:#f0f1ed;--book-mark-bg:#e8e8e5;--book-shadow-soft:0 18px 50px rgba(35,31,28,0.07);--book-shadow-panel:0 22px 68px rgba(35,31,28,0.14);--book-overlay:rgba(18,17,17,0.34);--book-control-radius:12px;--book-panel-radius:20px;min-height:100dvh;background:radial-gradient(circle at 88% -4%,var(--book-brand-wash),transparent 28rem),var(--book-bg);color:var(--book-text);font-family:var(--font-inter),Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.book-app[data-book-theme=dark]{--book-bg:#151515;--book-bg-wash:#1b1b1b;--book-surface:#202120;--book-surface-soft:#282927;--book-surface-elevated:#30312f;--book-text:#f4f5f0;--book-text-secondary:#bdc0b7;--book-text-muted:#858980;--book-border:#3b3d39;--book-brand:#f1f1ef;--book-brand-strong:#ffffff;--book-brand-soft:rgba(255,255,255,0.13);--book-brand-wash:rgba(255,255,255,0.065);--book-brand-on:#111111;--book-code-bg:#2a2b29;--book-mark-bg:#333432;--book-shadow-soft:0 18px 50px rgba(0,0,0,0.22);--book-shadow-panel:0 24px 72px rgba(0,0,0,0.44);--book-overlay:rgba(0,0,0,0.62)}.book-app :focus-visible{outline:3px solid color-mix(in srgb,var(--book-brand) 62%,transparent);outline-offset:3px}.book-home{width:min(100%,1080px);margin:0 auto}.book-home__intro{position:relative;border-bottom:1px solid var(--book-border);padding:20px 0 clamp(46px,7vw,84px)}.book-home__eyebrow,.book-home__index-header>p{color:var(--book-text-muted);font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.book-home__intro h1{max-width:760px;margin-top:18px;color:var(--book-text);font-size:clamp(42px,6.2vw,78px);font-weight:770;letter-spacing:-.06em;line-height:.98;text-wrap:balance}.book-home__lead{max-width:650px;margin-top:26px;color:var(--book-text-secondary);font-size:clamp(16px,1.8vw,21px);line-height:1.65}.book-home__meta{display:flex;width:fit-content;margin-top:38px}.book-home__meta>div{display:flex;min-width:105px;align-items:baseline;gap:9px}.book-home__meta>div+div{margin-inline-start:22px;border-inline-start:1px solid var(--book-border);padding-inline-start:22px}.book-home__meta dt{color:var(--book-text-muted);font-size:10px;font-weight:700}.book-home__meta dd{color:var(--book-text);font-size:18px;font-weight:780}.book-home__index{padding-top:clamp(42px,6vw,72px)}.book-home__index-header h2{margin-top:9px;color:var(--book-text);font-size:clamp(24px,3vw,36px);font-weight:740;letter-spacing:-.035em}.book-home__groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:38px;border-block:1px solid var(--book-border)}.book-home__group{min-width:0;padding:30px clamp(20px,2.6vw,34px) 34px}.book-home__group:first-child{padding-inline-start:0}.book-home__group:last-child{padding-inline-end:0}.book-home__group+.book-home__group{border-inline-start:1px solid var(--book-border)}.book-home__group-header{display:grid;grid-template-columns:auto minmax(0,1fr);gap:13px;min-height:82px}.book-home__group-header>span{color:var(--book-text-muted);font-size:10px;font-weight:800;letter-spacing:.08em}.book-home__group-header h3{color:var(--book-text);font-size:18px;font-weight:760;letter-spacing:-.025em}.book-home__group-header p{margin-top:7px;color:var(--book-text-muted);font-size:11px;line-height:1.55}.book-home__group ol{display:grid;gap:2px;margin-top:18px}.book-home__group a{display:flex;min-width:0;align-items:center;gap:12px;border-radius:11px;padding:11px 10px;color:var(--book-text-secondary);transition:background .16s ease,color .16s ease,transform .16s ease}.book-home__group a:hover{background:var(--book-brand-wash);color:var(--book-text);transform:translateX(3px)}.book-home__group a>span:first-child{display:grid;min-width:0;flex:1 1 auto;gap:4px}.book-home__group a small,.book-home__group a strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.book-home__group a strong{color:var(--book-text);font-size:13px;font-weight:690}.book-home__group a small{color:var(--book-text-muted);font-size:10px}.book-home__group a>span:last-child{flex:0 0 auto;color:var(--book-text-muted);font-size:13px}@media(max-width:767px){.book-home__intro{padding-top:2px}.book-home__intro h1{font-size:clamp(39px,13vw,56px)}.book-home__meta{width:100%}.book-home__meta>div{min-width:0;flex:1 1 0}.book-home__meta>div+div{margin-inline-start:12px;padding-inline-start:12px}.book-home__groups{grid-template-columns:1fr;border-bottom:0}.book-home__group,.book-home__group:first-child,.book-home__group:last-child{border-bottom:1px solid var(--book-border);padding:25px 0 28px}.book-home__group+.book-home__group{border-inline-start:0}.book-home__group-header{min-height:0}}@media(prefers-reduced-motion:reduce){.book-app,.book-app *{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.book-home__group a{transform:none}}