:root{--reader-font:var(--font-body);--reader-font-numeral:var(--font-body);--reader-c1:16px;--reader-c2:17px;--reader-c3:20px;--reader-c4:26px;--reader-spine:#f2f4f7;--reader-spine-hover:#e8ecf2;--reader-spine-press:#dfe4ec;--reader-leaf:#fcfcfd;--reader-leaf-hover:#f1f3f7;--reader-leaf-press:#e7ebf1;--reader-plate:#fff;--reader-mist:#f1f3f6;--reader-hair:#e3e7ee;--reader-hair-strong:#c9d0db;--reader-control-edge:#7b8494;--reader-ink:#1a2030;--reader-text:#202632;--reader-text-2:#4f5868;--reader-text-3:#5f6878;--reader-accent:#2f68c6;--reader-accent-strong:#2559aa;--reader-accent-wash:#eaf1fb;--reader-accent-line:#a9c0e8;--reader-accent-contrast:#fff;--reader-idea-fg:#44528a;--reader-idea-line:#bcc4e0;--reader-idea-wash:#eff1f8;--reader-idea-strong:#353f6e;--reader-practice-fg:#6b5876;--reader-practice-line:#cbbfd3;--reader-practice-wash:#f5f2f8;--reader-practice-strong:#56445f;--reader-mechanic-fg:#55606e;--reader-mechanic-line:#c5ccd5;--reader-mechanic-wash:#f1f3f6;--reader-mechanic-strong:#3f4854;--reader-caution-fg:#886100;--reader-caution-line:#886100;--reader-caution-strong:#6f4f00;--reader-risk-fg:#a3384b;--reader-risk-line:#e2aab5;--reader-risk-wash:#fbeff2;--reader-risk-strong:#862a3c;--reader-success-fg:#237a3b;--reader-success-line:#9fceac;--reader-success-wash:#ecf6ef;--reader-success-strong:#1b632f;--reader-act-bg:#b0461a;--reader-act-hover:#963b15;--reader-act-press:#7f3212;--reader-act-fg:#fff;--reader-go-bg:#1d2b44;--reader-go-hover:#2a3c5c;--reader-go-press:#16213a;--reader-go-fg:#f8fafc;--reader-slab-bg:#1c2230;--reader-slab-head:#232a3a;--reader-slab-line:#2f3749;--reader-slab-text:#e6e9f0;--reader-slab-muted:#a4adbd;--reader-slab-ok:#72d88b;--reader-slab-focus:#9bbcff;--reader-slab-caution:#e0ae6c;--reader-shadow-1:0 1px 2px #1620340d, 0 6px 18px -10px #16203429;--reader-shadow-2:0 2px 4px #1620340f, 0 16px 36px -16px #16203442;--reader-shadow-3:0 4px 10px #16203414, 0 32px 72px -24px #16203457;--reader-r-xs:4px;--reader-r-sm:8px;--reader-r-md:12px;--reader-r-lg:16px;--reader-scrim:#0f142061;--reader-dur-press:90ms;--reader-dur-hover:.16s;--reader-dur-state:.24s;--reader-dur-enter:.42s;--reader-dur-draw:.64s;--reader-dur-arrive:1.4s;--reader-ease-out:cubic-bezier(.2, .8, .2, 1);--reader-ease-in:cubic-bezier(.4, 0, 1, 1);--reader-ease-inout:cubic-bezier(.45, 0, .25, 1)}.dark{--reader-spine:#111419;--reader-spine-hover:#1c2027;--reader-spine-press:#252a33;--reader-leaf:#171a20;--reader-leaf-hover:#20242c;--reader-leaf-press:#282d36;--reader-plate:#1f232b;--reader-mist:#1d2129;--reader-hair:#2c313b;--reader-hair-strong:#434a56;--reader-control-edge:#737c8a;--reader-ink:#f1f3f6;--reader-text:#e3e6eb;--reader-text-2:#b7bdc8;--reader-text-3:#9aa3b1;--reader-accent:#9bbcff;--reader-accent-strong:#bdd2ff;--reader-accent-wash:#22304a;--reader-accent-line:#3a4f78;--reader-accent-contrast:#111317;--reader-idea-fg:#b4bfe9;--reader-idea-line:#3f4870;--reader-idea-wash:#1e2233;--reader-idea-strong:#cfd6f3;--reader-practice-fg:#c6b3d6;--reader-practice-line:#4e4259;--reader-practice-wash:#241f2c;--reader-practice-strong:#dccdea;--reader-mechanic-fg:#aeb7c3;--reader-mechanic-line:#3f4752;--reader-mechanic-wash:#1d2129;--reader-mechanic-strong:#cdd4dd;--reader-caution-fg:#e3b64c;--reader-caution-line:#e3b64c;--reader-caution-strong:#efcd7c;--reader-risk-fg:#f0a3b1;--reader-risk-line:#6e3a45;--reader-risk-wash:#2b1a20;--reader-risk-strong:#f7c3cc;--reader-success-fg:#72d88b;--reader-success-line:#2f5a3b;--reader-success-wash:#15261b;--reader-success-strong:#9be6ad;--reader-act-bg:#e2825a;--reader-act-hover:#eb9772;--reader-act-press:#f0a988;--reader-act-fg:#16181c;--reader-go-bg:#eef1f7;--reader-go-hover:#fff;--reader-go-press:#d9dfea;--reader-go-fg:#111317;--reader-slab-bg:#0f1218;--reader-slab-head:#151a22;--reader-slab-line:#2a313d;--reader-shadow-1:0 0 0 1px #ffffff05, 0 1px 3px #00000073;--reader-shadow-2:0 1px 2px #0006, 0 12px 32px -12px #000000a6;--reader-shadow-3:0 2px 8px #00000080, 0 32px 80px -20px #000000bf;--reader-scrim:#0000008c}.reader-portal,.reader-portal :is(button,input,select,textarea,label,[role=button],.font-body){font-family:var(--reader-font);letter-spacing:normal}body:has(.reader-surface,[data-member-book-access]) :is([data-ui-surface=tooltip],[data-radix-popper-content-wrapper]){font-family:var(--reader-font);letter-spacing:normal}body:has(.reader-surface,[data-member-book-access]) :is([data-ui-surface=tooltip],[data-radix-popper-content-wrapper]) :is(button,input,label,.font-body){font-family:var(--reader-font);letter-spacing:normal}.reader-surface :is(button,input,select,textarea,[role=button]),.reader-surface .font-body{letter-spacing:inherit;font-family:inherit}:where(.reader-surface,.reader-portal,[data-member-book-access]) :focus-visible{outline:2px solid var(--reader-accent);outline-offset:2px}:where(.reader-toc-scroll,.reader-dialog,.reader-mcq-options) :focus-visible,:where(.reader-disclosure)>summary:focus-visible{outline-offset:-2px}[data-family=idea]{--fam-fg:var(--reader-idea-fg);--fam-line:var(--reader-idea-line);--fam-wash:var(--reader-idea-wash);--fam-strong:var(--reader-idea-strong)}[data-family=practice]{--fam-fg:var(--reader-practice-fg);--fam-line:var(--reader-practice-line);--fam-wash:var(--reader-practice-wash);--fam-strong:var(--reader-practice-strong)}[data-family=mechanic]{--fam-fg:var(--reader-mechanic-fg);--fam-line:var(--reader-mechanic-line);--fam-wash:var(--reader-mechanic-wash);--fam-strong:var(--reader-mechanic-strong)}[data-family=caution]{--fam-fg:var(--reader-caution-fg);--fam-line:var(--reader-caution-line);--fam-wash:var(--reader-mist);--fam-strong:var(--reader-caution-strong)}[data-family=risk]{--fam-fg:var(--reader-risk-fg);--fam-line:var(--reader-risk-line);--fam-wash:var(--reader-risk-wash);--fam-strong:var(--reader-risk-strong)}.reader-tool{border-radius:var(--reader-r-sm);width:40px;height:40px;color:var(--reader-text-2);box-shadow:none;cursor:pointer;transition:background-color var(--reader-dur-hover) var(--reader-ease-out), color var(--reader-dur-hover) var(--reader-ease-out), border-color var(--reader-dur-hover) var(--reader-ease-out);background:0 0;border:1px solid #0000;place-items:center;display:inline-grid}.reader-tool svg{stroke-width:1.6px;width:20px;height:20px;transition:transform var(--reader-dur-press)}@media (hover:hover){.reader-tool:hover{background:var(--reader-spine-hover);color:var(--reader-ink)}}.reader-tool:active{background:var(--reader-spine-press)}.reader-tool:active svg{transform:scale(.92)}.reader-tool:is([aria-expanded=true],[data-open=true],[data-state=open]){background:var(--reader-accent-wash);color:var(--reader-accent-strong);border-color:var(--reader-accent-line)}.reader-tool:focus-visible{box-shadow:none}@media (max-width:767px),(pointer:coarse){.reader-tool{width:44px;height:44px}}.reader-copy{border-radius:var(--reader-r-sm);border:1px solid var(--reader-hair-strong);background:var(--reader-plate);height:36px;color:var(--reader-text-2);font:400 16px/1 var(--reader-font);white-space:nowrap;cursor:pointer;transition:color var(--reader-dur-hover) var(--reader-ease-out), background-color var(--reader-dur-hover) var(--reader-ease-out), border-color var(--reader-dur-hover) var(--reader-ease-out);align-items:center;gap:8px;padding:0 12px;display:inline-flex}@media (hover:hover){.reader-copy:hover{background:var(--reader-leaf-hover);border-color:var(--reader-control-edge);color:var(--reader-ink)}}.reader-copy:active{background:var(--reader-leaf-press)}.reader-copy[data-copied=true]{color:var(--reader-success-fg);border-color:var(--reader-success-line);background:var(--reader-success-wash)}.reader-copy[data-surface=slab]{color:var(--reader-slab-text);background:0 0;border-color:#0000}@media (hover:hover){.reader-copy[data-surface=slab]:hover{background:var(--reader-slab-line);color:#fff}}.reader-copy[data-surface=slab]:focus-visible{outline-color:var(--reader-slab-focus)}.reader-copy[data-surface=slab][data-copied=true]{color:var(--reader-slab-ok);border-color:var(--reader-slab-ok)}@supports (color:color-mix(in lab, red, red)){.reader-copy[data-surface=slab][data-copied=true]{border-color:color-mix(in oklab, var(--reader-slab-ok) 45%, transparent)}}.reader-copy[data-surface=slab][data-copied=true]{background:0 0}.reader-copy-icon{flex:none;width:1em;height:1em;display:inline-grid}.reader-copy .reader-copy-icon,.reader-act .reader-copy-icon{width:16px;height:16px}.reader-copy-icon>svg{width:100%;height:100%;transition:opacity var(--reader-dur-hover) var(--reader-ease-out), transform var(--reader-dur-hover) var(--reader-ease-out);grid-area:1/1}.reader-copy-glyph-check,[data-copied=true] .reader-copy-glyph-copy{opacity:0;transform:scale(.8)}[data-copied=true] .reader-copy-glyph-check{opacity:1;transform:none}.reader-act{border-radius:var(--reader-r-sm);background:var(--reader-act-bg);height:44px;color:var(--reader-act-fg);font:500 17px/1 var(--reader-font);white-space:nowrap;box-shadow:none;cursor:pointer;transition:background-color var(--reader-dur-hover) var(--reader-ease-out), color var(--reader-dur-hover) var(--reader-ease-out);border:0;align-items:center;gap:8px;padding:0 16px 0 14px;display:inline-flex}@media (hover:hover){.reader-act:hover{background:var(--reader-act-hover)}}.reader-act:active{background:var(--reader-act-press)}.reader-act:focus-visible{outline-offset:3px}.reader-act[data-copied=true]{background:var(--reader-success-fg);color:#fff}.dark .reader-act[data-copied=true]{color:#16181c}.reader-segmented{background:var(--reader-spine);border:1px solid var(--reader-hair);border-radius:10px;grid-auto-columns:1fr;grid-auto-flow:column;gap:2px;padding:3px;display:inline-grid}.reader-segmented>button{border-radius:var(--reader-r-sm);height:40px;color:var(--reader-text-2);font:400 17px/1 var(--reader-font);cursor:pointer;transition:background-color var(--reader-dur-hover) var(--reader-ease-out), color var(--reader-dur-hover) var(--reader-ease-out), border-color var(--reader-dur-hover) var(--reader-ease-out);background:0 0;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:0 12px;display:inline-flex}@media (hover:hover){.reader-segmented>button:hover{background:var(--reader-spine-hover);color:var(--reader-ink)}}.reader-segmented>button:active{background:var(--reader-spine-press)}.reader-segmented>button[aria-pressed=true]{background:var(--reader-plate);color:var(--reader-ink);border-color:var(--reader-accent-line);box-shadow:var(--reader-shadow-1)}.reader-dialog .reader-segmented{width:100%;display:grid}@media (max-width:767px){.reader-segmented{width:100%;display:grid}}.reader-text-button{border-radius:var(--reader-r-sm);height:40px;color:var(--reader-accent-strong);font:400 17px/1 var(--reader-font);cursor:pointer;transition:background-color var(--reader-dur-hover) var(--reader-ease-out);background:0 0;border:0;align-items:center;gap:8px;padding:0 10px;display:inline-flex}.reader-text-button svg{width:16px;height:16px}@media (hover:hover){.reader-text-button:not(:disabled):hover{background:var(--reader-accent-wash)}}.reader-text-button:not(:disabled):active{background:var(--reader-accent-wash)}@supports (color:color-mix(in lab, red, red)){.reader-text-button:not(:disabled):active{background:color-mix(in oklab, var(--reader-accent-wash) 80%, var(--reader-accent) 20%)}}.reader-text-button:disabled{color:var(--reader-text-3);cursor:not-allowed;background:0 0}@media (max-width:767px),(pointer:coarse){.reader-copy,.reader-text-button,.reader-segmented>button{height:44px}}.reader-pill{border:1px solid var(--reader-hair-strong);height:30px;font:400 16px/1 var(--reader-font);color:var(--reader-text-2);background:var(--reader-plate);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;padding:0 10px;display:inline-flex}.reader-pill svg{flex:none;width:16px;height:16px}.reader-pill[data-tone=success]{color:var(--reader-success-strong);background:var(--reader-success-wash);border-color:var(--reader-success-line)}.reader-pill[data-tone=risk]{color:var(--reader-risk-strong);background:var(--reader-risk-wash);border-color:var(--reader-risk-line)}.reader-plate{background:var(--reader-plate);border:1px solid var(--reader-hair);border-radius:var(--reader-r-lg);box-shadow:var(--reader-shadow-1);color:var(--reader-text);margin-block:2.2em;overflow:clip}.reader-plate-head{background:var(--fam-wash);border-bottom:1px solid var(--fam-line);grid-template-columns:40px minmax(0,1fr) auto;align-items:start;column-gap:14px;padding:18px 24px 16px;display:grid}.reader-plate-tile{background:var(--reader-plate);border:1px solid var(--fam-line);width:40px;height:40px;color:var(--fam-fg);border-radius:10px;place-items:center;display:grid}.reader-plate-tile svg{stroke-width:1.6px;width:20px;height:20px}.reader-plate-body{padding:20px 24px 24px}@media (max-width:639px){.reader-plate-head{grid-template-columns:40px minmax(0,1fr);padding:16px}.reader-plate-head>:nth-child(3){grid-column:1/-1;justify-self:stretch}.reader-plate-body{padding:16px}}.reader-disclosure{background:var(--reader-plate);border:1px solid var(--reader-hair);border-radius:var(--reader-r-lg);box-shadow:var(--reader-shadow-1);color:var(--reader-text);margin-block:2.2em;overflow:clip}.reader-disclosure>summary{cursor:pointer;border-radius:inherit;min-height:72px;transition:background-color var(--reader-dur-hover) var(--reader-ease-out);grid-template-columns:44px minmax(0,1fr) 36px;align-items:center;gap:14px;padding:14px;list-style:none;display:grid}.reader-disclosure>summary::-webkit-details-marker{display:none}.reader-disclosure-tile{background:var(--fam-wash);width:44px;height:44px;color:var(--fam-fg);border-radius:10px;place-items:center;display:grid}.reader-disclosure-tile svg{width:20px;height:20px}.reader-disclosure-title{color:var(--reader-ink);font-size:1.05em;font-weight:500;line-height:1.3}.reader-disclosure-helper{color:var(--reader-text-2);font-size:max(16px,.88em)}.reader-disclosure-chev{border:1px solid var(--reader-hair-strong);width:36px;height:36px;color:var(--reader-text-2);transition:transform var(--reader-dur-state) var(--reader-ease-inout), border-color var(--reader-dur-hover) var(--reader-ease-out), color var(--reader-dur-hover) var(--reader-ease-out);border-radius:999px;place-items:center;display:grid}.reader-disclosure-chev svg{width:18px;height:18px}@media (hover:hover){.reader-disclosure>summary:hover{background:var(--reader-leaf-hover)}.reader-disclosure>summary:hover .reader-disclosure-chev{border-color:var(--reader-accent-line);color:var(--reader-ink)}}.reader-disclosure>summary:active{background:var(--reader-leaf-press)}.reader-disclosure[open]>summary{border-bottom:1px solid var(--reader-hair);border-radius:var(--reader-r-lg) var(--reader-r-lg) 0 0}.reader-disclosure[open]>summary .reader-disclosure-chev{transform:rotate(180deg)}details.reader-disclosure::details-content{block-size:0;transition:block-size .28s var(--reader-ease-out), content-visibility .28s allow-discrete;overflow:clip}details.reader-disclosure[open]::details-content{block-size:auto}@supports (interpolate-size:allow-keywords){.reader-disclosure{interpolate-size:allow-keywords}}@media (max-width:639px){.reader-disclosure-tile{width:40px;height:40px}.reader-disclosure>summary{grid-template-columns:40px minmax(0,1fr) 36px}}.reader-lock-art{background:var(--reader-plate) url(/assets/watercolor/member-access/private-materials-light.webp) 72% 78% / 150% no-repeat;width:48px;height:48px;box-shadow:inset 0 0 0 1px var(--reader-hair);border-radius:10px}.dark .reader-lock-art{background-image:url(/assets/watercolor/member-access/private-materials-dark.webp)}[data-reader-arrived]>.reader-content-main{isolation:isolate;position:relative}[data-reader-arrived]>.reader-content-main:before{content:"";border-radius:var(--reader-r-md);background:var(--reader-accent-wash);z-index:-1;animation:reader-arrive var(--reader-dur-arrive) var(--reader-ease-out) forwards;position:absolute;inset:-.45em -.75em}@keyframes reader-arrive{0%,35%{opacity:1}to{opacity:0}}.reader-content-row:focus{outline:none}.reader-live{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@media (prefers-reduced-motion:reduce){.reader-copy-icon *,.reader-tool svg,.reader-disclosure-chev,.reader-segmented button{transition-duration:1ms}.reader-disclosure::details-content{transition:none}[data-reader-arrived]>.reader-content-main:before{animation:1s step-end forwards reader-arrive-static;animation-duration:1s!important}}@keyframes reader-arrive-static{0%{opacity:1}to{opacity:0}}.reader-surface{background:var(--reader-leaf);color:var(--reader-text)}.reader-surface #reader-scroll{color:var(--reader-text);font-kerning:normal;font-variant-ligatures:common-ligatures;text-rendering:optimizelegibility;margin-inline:-12px;padding-inline:12px}@media (min-width:1100px){.reader-surface #reader-scroll.reader-scroll-region-with-marginalia{padding-inline-end:calc(12px + clamp(1rem,1.6vw,1.5rem))}}.reader-masthead{z-index:1;background:var(--reader-spine);flex:none;position:relative}.reader-masthead-row{grid-template-columns:auto minmax(0,1fr) auto;align-items:center;column-gap:16px;min-height:60px;padding-top:8px;display:grid}@media (max-width:639px){.reader-masthead-row{grid-template-columns:minmax(0,1fr) auto;column-gap:8px}.reader-masthead-row .reader-brand{max-width:100%}.reader-tools>.reader-tools-sep{display:none}}@media (min-width:640px){.reader-masthead-row{grid-template-columns:minmax(max-content,1fr) auto minmax(max-content,1fr)}}.reader-site-nav{justify-self:start;align-items:center;min-width:0;display:flex}.reader-brand{min-height:44px;transition:opacity var(--reader-dur-hover) var(--reader-ease-out);border-radius:6px;flex:none;align-items:center;display:inline-flex}.reader-brand .reader-logo{--logo-size:30px}@media (min-width:640px){.reader-brand .reader-logo{--logo-size:32px}}.reader-brand:hover{opacity:.82}.reader-brand:active{opacity:.7}.reader-brand:focus-visible{outline:2px solid var(--reader-accent);outline-offset:4px}.reader-crumb-sep{background:var(--reader-hair-strong);flex:none;width:1px;height:22px;margin-inline:14px;display:block}.reader-crumb{min-height:36px;font:400 17px/1.3 var(--reader-font);color:var(--reader-text-2);white-space:nowrap;transition:color var(--reader-dur-hover) var(--reader-ease-out);align-items:center;padding-inline:2px;text-decoration:none;display:inline-flex;position:relative}.reader-crumb:after{content:"";background:var(--reader-accent);transform-origin:0;height:1px;transition:transform .2s var(--reader-ease-out);position:absolute;bottom:3px;left:2px;right:2px;transform:scaleX(0)}.reader-crumb:hover,.reader-crumb:focus-visible{color:var(--reader-ink)}.reader-crumb:active{color:var(--reader-accent-strong)}.reader-crumb:hover:after,.reader-crumb:focus-visible:after{transform:scaleX(1)}.reader-crumb:focus-visible{border-radius:var(--reader-r-xs)}@media (max-width:639px){.reader-crumb,.reader-crumb-sep{display:none}}.reader-masthead-title{display:none}@media (min-width:640px){.reader-masthead-title{text-align:center;flex-direction:column;align-items:center;min-width:0;max-width:34rem;display:flex}.reader-masthead-title[data-dev-only=true] .reader-masthead-title-line{align-items:center;gap:10px;display:flex}.reader-masthead-title[data-dev-only=true] .reader-dev-pill{flex:none;position:static;translate:none}}@media (min-width:1024px){.reader-masthead-title[data-dev-only=true]{max-width:47rem;padding-inline:6.5rem}.reader-masthead-title[data-dev-only=true] .reader-masthead-title-line{display:block}.reader-masthead-title[data-dev-only=true] .reader-dev-pill{position:absolute;translate:0 -50%}}.reader-masthead-title-line{min-width:0;max-width:100%;display:block;position:relative}.reader-masthead-title h1{font:400 20px/1.3 var(--reader-font);color:var(--reader-ink);letter-spacing:normal;text-overflow:ellipsis;white-space:nowrap;margin:0;overflow:hidden}.reader-byline{max-width:100%;font:italic 400 16px/1.35 var(--reader-font);color:var(--reader-text-3);text-overflow:ellipsis;white-space:nowrap;margin:1px 0 0;overflow:hidden}.reader-dev-pill{border:1px dashed var(--reader-control-edge);height:26px;font:400 16px/24px var(--reader-font);color:var(--reader-text-3);white-space:nowrap;border-radius:999px;padding:0 10px;position:absolute;top:50%;left:calc(100% + 10px);translate:0 -50%}.reader-tools{justify-content:flex-end;justify-self:end;align-items:center;gap:2px;display:flex}.reader-tools-sep{background:var(--reader-hair-strong);flex:none;width:1px;height:22px;margin-inline:6px;display:block}.reader-tool-slot{align-items:center;gap:2px;display:inline-flex}.reader-tool-slot:empty{display:none}.reader-tools-sep:has(+.reader-tool-slot:empty){display:none}@media (min-width:900px){.reader-tool.reader-tool-toc{display:none}}.reader-masthead-row2{grid-template-columns:minmax(0,1fr) auto;align-items:start;column-gap:16px;padding:2px 0 12px;display:grid}@media (min-width:640px){.reader-masthead-row2{justify-content:flex-end;min-height:28px;padding:0 0 10px;display:flex}}.reader-masthead-mobile-title{text-align:center;flex-direction:column;justify-self:start;align-items:center;min-width:0;max-width:100%;display:inline-flex}@media (min-width:640px){.reader-masthead-mobile-title{display:none}}.reader-mobile-book-title{font:400 17px/1.3 var(--reader-font);color:var(--reader-ink);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;display:-webkit-box;overflow:hidden}.reader-folio{font:400 16px/1.35 var(--reader-font);color:var(--reader-text-3);--nums-spacing:tabular-nums;align-items:baseline;gap:18px;display:flex}.reader-folio-item{white-space:nowrap;align-items:center;gap:6px;display:inline-flex}.reader-folio-item>svg{stroke-width:1.6px;width:16px;height:16px;color:var(--reader-text-3);flex:none}.reader-folio-num{color:var(--reader-text-2)}@media (max-width:639px){.reader-folio{flex-direction:column;align-items:flex-end;gap:2px}.reader-folio-est{display:none}}.reader-progress{background:var(--reader-spine);inset-inline:0;gap:2px;height:4px;display:flex;position:absolute;bottom:0}@media (max-width:639px){.reader-progress{gap:1px}}.reader-progress-seg{background:var(--reader-hair-strong);flex-basis:0;min-width:3px;position:relative;overflow:hidden}.reader-progress-fill{background:var(--reader-idea-fg);transform-origin:0;transition:transform var(--reader-dur-enter) var(--reader-ease-out);position:absolute;inset:0}.reader-dialog{border:1px solid var(--reader-hair);background:var(--reader-plate);width:min(32rem,100vw - 32px);max-width:none;max-height:calc(100dvh - 32px);box-shadow:var(--reader-shadow-3);color:var(--reader-text);border-radius:16px;overflow-y:auto}.reader-dialog-head{border-bottom:1px solid var(--reader-hair);padding:22px 72px 16px 24px}.reader-dialog-title{font:400 26px/1.15 var(--reader-font);color:var(--reader-ink);letter-spacing:normal;margin:0}.reader-dialog>button{border-radius:var(--reader-r-sm);width:44px;height:44px;color:var(--reader-text-2);box-shadow:none;cursor:pointer;transition:background-color var(--reader-dur-hover) var(--reader-ease-out), color var(--reader-dur-hover) var(--reader-ease-out);place-items:center;display:inline-grid;top:14px;right:14px}.reader-dialog>button:hover{background:var(--reader-spine-hover);color:var(--reader-ink)}.reader-dialog>button:active{background:var(--reader-spine-press)}.reader-dialog>button:focus-visible{box-shadow:none}.reader-dialog>button svg{stroke-width:1.6px;width:20px;height:20px}.reader-dialog-body{gap:22px;padding:20px 24px 24px;display:grid}.reader-specimen{border:1px solid var(--reader-hair);background:var(--reader-leaf);color:var(--reader-text);border-radius:12px;padding:14px 18px}.reader-specimen-text{-webkit-line-clamp:3;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.reader-field-head{justify-content:space-between;align-items:baseline;margin-bottom:10px;display:flex}.reader-field-label{font:500 16px/1.25 var(--reader-font);letter-spacing:.12em;text-transform:uppercase;color:var(--reader-text-3)}.reader-field-value{font:400 17px/1.3 var(--reader-font);color:var(--reader-ink);--nums-spacing:tabular-nums}.reader-field-helper{font:400 16px/1.4 var(--reader-font);color:var(--reader-text-3)}.reader-range-row{grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;display:grid}.reader-range-glyph{font-family:var(--reader-font);color:var(--reader-text-3);flex:none;line-height:1}.reader-range-glyph-small{font-size:16px}.reader-range-glyph-large{font-size:26px}.reader-range-icon-small{stroke-width:1.6px;width:16px;height:16px}.reader-range-icon-large{stroke-width:1.6px;width:22px;height:22px}.reader-range{cursor:pointer;appearance:none;background:0 0;width:100%;height:28px;margin:0}.reader-range::-webkit-slider-runnable-track{background:linear-gradient(to right, var(--reader-accent) 0 var(--fill), var(--reader-hair-strong) var(--fill) 100%);border-radius:2px;height:4px}.reader-range::-moz-range-track{background:linear-gradient(to right, var(--reader-accent) 0 var(--fill), var(--reader-hair-strong) var(--fill) 100%);border-radius:2px;height:4px}.reader-range::-webkit-slider-thumb{border:2px solid var(--reader-accent);background:var(--reader-plate);width:22px;height:22px;box-shadow:var(--reader-shadow-1);appearance:none;transition:box-shadow var(--reader-dur-hover) var(--reader-ease-out);border-radius:50%;margin-top:-9px}.reader-range::-moz-range-thumb{box-sizing:border-box;border:2px solid var(--reader-accent);background:var(--reader-plate);width:22px;height:22px;box-shadow:var(--reader-shadow-1);transition:box-shadow var(--reader-dur-hover) var(--reader-ease-out);border-radius:50%}.reader-range:hover::-webkit-slider-thumb{box-shadow:var(--reader-shadow-1), 0 0 0 4px var(--reader-accent-wash)}.reader-range:hover::-moz-range-thumb{box-shadow:var(--reader-shadow-1), 0 0 0 4px var(--reader-accent-wash)}.reader-range:active::-webkit-slider-thumb{border-color:var(--reader-accent-strong);box-shadow:var(--reader-shadow-1), 0 0 0 6px var(--reader-accent-wash)}.reader-range:active::-moz-range-thumb{border-color:var(--reader-accent-strong);box-shadow:var(--reader-shadow-1), 0 0 0 6px var(--reader-accent-wash)}.reader-range:focus-visible{outline:none}.reader-range:focus-visible::-webkit-slider-thumb{outline:2px solid var(--reader-accent);outline-offset:2px}.reader-range:focus-visible::-moz-range-thumb{outline:2px solid var(--reader-accent);outline-offset:2px}.reader-faces{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.reader-face-option{border:1px solid var(--reader-hair);background:var(--reader-plate);height:88px;color:var(--reader-text-2);cursor:pointer;transition:background-color var(--reader-dur-hover) var(--reader-ease-out), border-color var(--reader-dur-hover) var(--reader-ease-out), color var(--reader-dur-hover) var(--reader-ease-out);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:4px;display:flex;position:relative}.reader-face-specimen{color:var(--reader-ink);font-size:34px;line-height:1}.reader-face-name{font-size:16px;line-height:1.2}.reader-face-option:hover{border-color:var(--reader-hair-strong);background:var(--reader-spine)}.reader-face-option:active{background:var(--reader-spine-press)}.reader-face-option[aria-pressed=true]{border-color:var(--reader-accent);background:var(--reader-accent-wash);box-shadow:inset 0 0 0 1px var(--reader-accent);color:var(--reader-accent-strong)}.reader-face-check{width:16px;height:16px;color:var(--reader-accent);position:absolute;top:8px;right:8px}.reader-dialog-foot{border-top:1px solid var(--reader-hair);align-items:center;gap:12px;padding:12px 24px 14px;display:flex}@media (max-width:639px){.reader-dialog{border-bottom:0;border-radius:16px 16px 0 0;width:100%;max-width:none;max-height:88dvh;inset:auto 0 0;overflow-y:auto;translate:none}.reader-dialog:before{content:"";background:var(--reader-hair-strong);border-radius:2px;width:36px;height:4px;margin-left:-18px;position:absolute;top:8px;left:50%}.reader-dialog.overlay-dissolve-content[data-state=open]{animation:reader-sheet-in .32s var(--reader-ease-out) both}.reader-dialog.overlay-dissolve-content[data-state=closed]{animation:reader-sheet-out .22s var(--reader-ease-in) both}.reader-face-option{height:76px}}@keyframes reader-sheet-in{0%{transform:translateY(100%)}to{transform:none}}@keyframes reader-sheet-out{0%{transform:none}to{transform:translateY(100%)}}@keyframes reader-sheet-fade-in{0%{opacity:0}to{opacity:1}}@keyframes reader-sheet-fade-out{0%{opacity:1}to{opacity:0}}.reader-opener{margin-bottom:2.4em}.reader-opener-kicker{align-items:center;gap:.55em;min-width:0;margin:0 0 .35em;display:flex}.reader-opener-numeral{font-family:var(--reader-font-numeral);letter-spacing:-.02em;color:var(--reader-idea-fg);--nums-spacing:tabular-nums;flex:none;font-size:2.1em;font-style:normal;font-weight:300;line-height:.9}@media (min-width:768px){.reader-opener-numeral{font-size:2.5em}}.reader-opener-kicker[data-label-kind=word] .reader-opener-numeral{letter-spacing:normal;font-size:1.35em;font-style:italic;font-weight:400;line-height:1.1}.reader-opener-kicker[data-label-kind=none]{min-height:1.89em}@media (min-width:768px){.reader-opener-kicker[data-label-kind=none]{min-height:2.25em}}.reader-opener-rule{background:var(--reader-hair-strong);transform-origin:0;min-width:2em;height:1px;animation:reader-rule-draw var(--reader-dur-draw) var(--reader-ease-out) .12s both;flex:auto;display:block}@keyframes reader-rule-draw{0%{transform:scaleX(0)}}.reader-opener-group{min-width:0;max-width:45%;font:italic 400 max(16px, .8em) / 1.3 var(--reader-font);color:var(--reader-text-3);text-overflow:ellipsis;white-space:nowrap;flex:0 auto;overflow:hidden}.reader-opener-title{letter-spacing:-.012em;max-width:22em;color:var(--reader-ink);text-wrap:balance;margin:0;font-size:1.8em;font-weight:400;line-height:1.1}@media (min-width:768px){.reader-opener-title{font-size:2.1em}}@container reader-chapter (min-width:calc(28em + 19.5rem)){.reader-chapter-enter:has(.reader-content-flow-with-marginalia)>.reader-opener{padding-right:calc(clamp(13rem,24vw,17rem) + clamp(1.25rem,3vw,2.2rem))}}.reader-status-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px 28px;margin-top:1.15em;display:flex}.reader-status-row>*{flex:0 auto;min-width:0}@media (max-width:767px){.reader-status-row{flex-direction:column;align-items:stretch;gap:16px}}.reader-chapter-nav{border-top:1px solid var(--reader-hair);gap:14px;margin-top:4em;padding-top:2em;display:grid}@media (min-width:640px){.reader-chapter-nav{grid-template-columns:minmax(0,1fr) minmax(0,1.6fr)}}.reader-chapter-nav>.reader-nav-card:only-child{grid-column:1/-1}.reader-nav-card{border:1px solid var(--reader-hair);background:var(--reader-plate);color:inherit;transition:border-color var(--reader-dur-hover) var(--reader-ease-out), background-color var(--reader-dur-hover) var(--reader-ease-out), box-shadow var(--reader-dur-hover) var(--reader-ease-out);border-radius:16px;align-items:center;column-gap:16px;padding:18px 20px;text-decoration:none;display:grid;position:relative}.reader-nav-card-next{min-height:7em;box-shadow:var(--reader-shadow-1);grid-template-columns:minmax(0,1fr) 44px}.reader-nav-card-prev{background:var(--reader-leaf);grid-template-columns:40px minmax(0,1fr)}.reader-nav-card-next:hover{border-color:var(--reader-accent-line);background:var(--reader-accent-wash);box-shadow:var(--reader-shadow-2)}.reader-nav-card-prev:hover{border-color:var(--reader-hair-strong);background:var(--reader-leaf-hover)}.reader-nav-card:active{background:var(--reader-leaf-press)}.reader-nav-card:focus-visible{outline:2px solid var(--reader-accent);outline-offset:3px}.reader-nav-arrow{border:1px solid var(--reader-hair-strong);width:44px;height:44px;color:var(--reader-text-2);transition:background-color var(--reader-dur-hover) var(--reader-ease-out), border-color var(--reader-dur-hover) var(--reader-ease-out), color var(--reader-dur-hover) var(--reader-ease-out);border-radius:50%;place-items:center;display:grid}.reader-nav-arrow svg{stroke-width:1.6px;width:18px;height:18px}.reader-nav-card-prev .reader-nav-arrow{width:40px;height:40px}.reader-nav-card:hover .reader-nav-arrow{border-color:var(--reader-accent);background:var(--reader-accent);color:var(--reader-accent-contrast)}.reader-nav-card:active .reader-nav-arrow{border-color:var(--reader-accent-strong);background:var(--reader-accent-strong)}.reader-nav-eyebrow{font:500 max(16px, .78em) / 1.25 var(--reader-font);letter-spacing:.1em;text-transform:uppercase;color:var(--reader-text-3);display:block}.reader-nav-title{color:var(--reader-ink);overflow-wrap:anywhere;text-wrap:balance;margin-top:.3em;font-size:1.15em;line-height:1.25;display:block}.reader-nav-card-prev .reader-nav-title{font-size:1.02em}.reader-nav-label{font-family:var(--reader-font-numeral);color:var(--reader-idea-fg)}.reader-nav-preview{color:var(--reader-text-2);overflow-wrap:anywhere;-webkit-line-clamp:3;-webkit-box-orient:vertical;margin-top:.35em;font-size:max(16px,.88em);line-height:1.45;display:-webkit-box;overflow:hidden}@media (max-width:639px){.reader-nav-card-prev{grid-template-columns:36px minmax(0,1fr);padding:12px 16px}.reader-nav-card-prev .reader-nav-arrow{width:36px;height:36px}.reader-nav-card-prev .reader-nav-title{-webkit-line-clamp:1;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}}.reader-skeleton .reader-skel{background-color:var(--reader-hair);background-image:linear-gradient(90deg, transparent, var(--reader-spine) 50%, transparent);background-size:200% 100%;animation:1.6s linear infinite reader-shimmer}.dark .reader-skeleton .reader-skel{background-color:#23262e}@keyframes reader-shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}.reader-skel-masthead{background:var(--reader-spine);flex:none;position:relative}.reader-skel-spine{display:none}@media (min-width:768px){.reader-skel-spine{border-right:1px solid var(--reader-hair);background:var(--reader-spine);box-shadow:0 0 0 100vmax var(--reader-spine);clip-path:inset(0 0 0 -100vmax);flex-shrink:0;display:block}}@keyframes reader-chapter-enter{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.reader-chapter-enter{animation:reader-chapter-enter .42s var(--ease-standard) both}@media (prefers-reduced-motion:reduce){.reader-chapter-enter,.reader-opener-rule{animation:none}.reader-toc-link:before,.reader-crumb:after,.reader-nav-card,.reader-nav-arrow,.reader-progress-fill,.reader-face-option{transition:none}.reader-range::-webkit-slider-thumb{transition:none}.reader-dialog.overlay-dissolve-content[data-state=open]{animation:.16s linear both reader-sheet-fade-in}.reader-dialog.overlay-dissolve-content[data-state=closed]{animation:.16s linear both reader-sheet-fade-out}.reader-skeleton .reader-skel{animation:none}}.reader-toc-panel{z-index:50;background:var(--reader-spine);width:min(21rem,88vw);box-shadow:var(--reader-shadow-3);visibility:hidden;transition:transform .22s var(--reader-ease-in), visibility 0s .22s;inset-block:0;border-radius:0 16px 16px 0;flex-direction:column;display:flex;position:fixed;left:0;transform:translate(-100%)}.reader-toc-panel[data-open=true]{visibility:visible;transition:transform .32s var(--reader-ease-out), visibility 0s;transform:none}.reader-toc-scrim{z-index:40;background:var(--reader-scrim);opacity:0;pointer-events:none;transition:opacity .24s var(--reader-ease-out);border:0;margin:0;padding:0;position:fixed;inset:0}.reader-toc-scrim[data-open=true]{opacity:1;pointer-events:auto}.reader-drawer-head{border-bottom:1px solid var(--reader-hair);background:var(--reader-spine);flex-shrink:0;align-items:center;gap:8px;height:56px;padding:0 8px 0 16px;display:flex;position:sticky;top:0}.reader-drawer-title{min-width:0;font:500 17px/1.3 var(--reader-font);color:var(--reader-ink);text-overflow:ellipsis;white-space:nowrap;flex:1;margin:0;overflow:hidden}.reader-toc-scroll{overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--reader-hair-strong) transparent;flex:1;min-height:0;padding:16px 16px 40px;overflow-y:auto}@media (not (min-width:900px)) and (prefers-reduced-motion:reduce){.reader-toc-panel{opacity:0;transition:opacity .16s var(--reader-ease-out), visibility 0s .16s;transform:none}.reader-toc-panel[data-open=true]{opacity:1;transition:opacity .16s var(--reader-ease-out), visibility 0s;transform:none}.reader-toc-scrim{transition-duration:.16s}}@media (min-width:900px){.reader-toc-panel{z-index:auto;visibility:visible;opacity:1;border-right:1px solid var(--reader-hair);width:16.5rem;box-shadow:0 0 0 100vmax var(--reader-spine);clip-path:inset(0 0 0 -100vmax);border-radius:0;flex-shrink:0;transition:none;position:relative;inset:auto;transform:none}.reader-drawer-head{display:none}.reader-toc-scroll{height:100%;padding:28px 14px 48px 0}}@media (min-width:1024px){.reader-toc-panel{width:18rem}}.reader-alpha{border:1px solid var(--reader-hair);background:var(--reader-plate);width:100%;min-height:44px;color:var(--reader-ink);font-family:var(--reader-font);text-align:left;cursor:help;transition:border-color var(--reader-dur-hover) var(--reader-ease-out), background-color var(--reader-dur-hover) var(--reader-ease-out);border-radius:10px;grid-template-columns:20px minmax(0,1fr) 18px;align-items:center;gap:10px;margin:0 0 22px;padding:0 12px;display:grid}.reader-alpha:hover{border-color:var(--reader-caution-line);background:var(--reader-leaf-hover)}.reader-alpha:active{background:var(--reader-leaf-press)}.reader-alpha-icon{width:18px;height:18px;color:var(--reader-caution-fg);justify-self:center}.reader-alpha-label{min-width:0;font:400 17px/1.3 var(--reader-font);color:var(--reader-ink);-webkit-text-decoration:underline dotted 1px var(--reader-caution-line);-webkit-text-decoration:underline dotted 1px var(--reader-caution-line);-webkit-text-decoration:underline dotted 1px var(--reader-caution-line);text-decoration:underline dotted 1px var(--reader-caution-line);text-underline-offset:.22em}.reader-alpha-info{width:16px;height:16px;color:var(--reader-text-3);justify-self:end}.reader-toc-section{border-radius:var(--reader-r-sm);width:100%;height:40px;font-family:var(--reader-font);text-align:left;cursor:pointer;background:0 0;border:0;justify-content:space-between;align-items:center;padding:0 4px 0 0;display:flex}.reader-toc-section-label{font:500 16px/1.25 var(--reader-font);letter-spacing:.12em;text-transform:uppercase;color:var(--reader-text-3);transition:color var(--reader-dur-hover) var(--reader-ease-out)}.reader-toc-chev{width:18px;height:18px;color:var(--reader-text-3);transition:transform var(--reader-dur-state) var(--reader-ease-inout), color var(--reader-dur-hover) var(--reader-ease-out);flex-shrink:0}:is(.reader-toc-section,.reader-toc-group,.reader-cat)[aria-expanded=false] .reader-toc-chev{transform:rotate(-90deg)}.reader-toc-section:hover :is(.reader-toc-section-label,.reader-toc-chev){color:var(--reader-ink)}.reader-toc-body,.reader-callouts-body{flex-direction:column;margin-top:6px;display:flex}.reader-toc-body{gap:14px}.reader-callouts-body{gap:6px}.reader-toc-list,.reader-cat-list{flex-direction:column;gap:2px;display:flex}.reader-toc-group-block{flex-direction:column;gap:4px;display:flex}.reader-toc-group-row,.reader-toc-row{grid-template-columns:minmax(0,1fr) auto;align-items:start;display:grid;position:relative}.reader-toc-group{width:100%;min-height:48px;color:var(--reader-ink);font:400 17px/1.35 var(--reader-font);text-align:left;cursor:pointer;transition:background-color var(--reader-dur-hover) var(--reader-ease-out);background:0 0;border:0;border-radius:10px;grid-template-columns:2rem minmax(0,1fr) auto;align-items:center;column-gap:.75rem;padding:6px 4px 6px 0;display:grid}.reader-toc-medallion{border:1px solid var(--reader-hair-strong);background:var(--reader-plate);width:32px;height:32px;color:var(--reader-idea-fg);font:italic 400 19px/1 var(--reader-font-numeral);transition:border-color var(--reader-dur-hover) var(--reader-ease-out), background-color var(--reader-dur-hover) var(--reader-ease-out);border-radius:50%;place-items:center;display:grid}.reader-toc-medallion-icon{width:16px;height:16px}.reader-toc-group-title{min-width:0;font:400 17px/1.35 var(--reader-font);color:var(--reader-ink);overflow-wrap:anywhere}.reader-toc-group-meta{align-items:center;gap:8px;display:inline-flex}.reader-toc-count,.reader-cat-count{font:400 16px/1 var(--reader-font);color:var(--reader-text-3);--nums-spacing:tabular-nums}.reader-toc-group:not([aria-disabled=true]):hover{background:var(--reader-spine-hover)}.reader-toc-group:not([aria-disabled=true]):hover .reader-toc-medallion{border-color:var(--reader-idea-fg)}.reader-toc-group:not([aria-disabled=true]):hover 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