.book-page{background:#0b1322;color:#e4e8ed}.book-wrap{width:min(1060px,calc(100% - 48px));margin:0 auto;padding:36px 0 85px}.book-breadcrumb{display:flex;gap:13px;align-items:center;font-size:14px;color:#abc0d3;margin:0 0 50px;flex-wrap:wrap}.book-breadcrumb a{padding:8px 0}.book-heading{display:grid;grid-template-columns:1fr 190px;align-items:center;gap:50px;margin:0 0 44px}.book-heading h1,.books-heading h1{font-size:clamp(35px,4.5vw,64px);font-weight:450;line-height:1.09;letter-spacing:-2px;margin:15px 0 22px}.book-author{color:#aec1d0;font-size:18px;line-height:1.6}.book-jump{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:23px}.book-jump a{font-size:14px;padding:10px 0;border-bottom:1px solid #4f6575;color:#d3bd90}.book-cover{background:linear-gradient(112deg,hsl(var(--book-hue) 22% 22%),hsl(var(--book-hue) 23% 14%));color:#e5dbc4;border:1px solid #8d9b9360;border-radius:2px 9px 9px 2px;padding:22px 19px 20px 26px;min-height:260px;position:relative;box-shadow:10px 12px 0 #02091450;display:flex;flex-direction:column;justify-content:flex-start;gap:16px;transform:rotate(2deg)}.book-cover:before{content:'';position:absolute;top:0;bottom:0;left:8px;border-left:1px solid #c4c5b13b;box-shadow:2px 0 2px #05070860}.book-cover-top{font-size:8px;text-transform:uppercase;letter-spacing:1.2px}.book-cover-line{height:42px;background:repeating-linear-gradient(25deg,transparent,transparent 6px,#d1c09855 7px,transparent 8px);mask-image:linear-gradient(90deg,transparent,#000 30%,#000 80%,transparent)}.book-cover>strong{font:400 23px/1.16 Georgia,serif;letter-spacing:-.5px}.book-cover>span{font-size:10px;line-height:1.6}.book-cover>i{font-style:normal;font-size:11px;margin-top:auto;text-align:right;color:#e9d6b4}.book-core{padding:32px 36px;border:1px solid #bca6756b;border-radius:14px;background:radial-gradient(ellipse at 90% 10%,#72664425,transparent 65%),#192b3c;scroll-margin-top:105px}.book-core .eyebrow{color:#dfc38f}.book-core-copy{font:400 clamp(23px,2.7vw,33px)/1.45 Georgia,serif;color:#eee5d1;margin:17px 0 24px;max-width:900px}.book-core-footer{border-top:1px solid #9bafaf30;padding-top:19px;display:flex;align-items:center;justify-content:space-between;gap:16px}.book-core-footer>span{font-size:12px;color:#acc1d2;line-height:1.5}.book-core button,.book-controls button{border:1px solid #b39a6b;padding:12px 18px;border-radius:7px;background:transparent;color:#e5ce9c;font-size:14px;cursor:pointer;min-height:44px}.book-core button[aria-pressed=true]{background:#3c4c42}.book-summary{padding:40px 0;max-width:850px;scroll-margin-top:100px}.book-summary h2,.book-related h2{font-size:24px;font-weight:450;letter-spacing:-.5px;margin-bottom:18px}.book-summary>p{font-size:19px;line-height:1.85;color:#bfcedb}.book-ideas{border:1px solid #445c71;border-radius:13px;background:#122236;overflow:hidden;scroll-margin-top:100px}.book-ideas>header{padding:25px 30px 18px;display:flex;justify-content:space-between;gap:15px;align-items:center;scroll-margin-top:95px}.book-ideas h2{font-size:26px;font-weight:450;margin-top:8px;letter-spacing:-.6px}.book-ideas [data-book-position]{font-size:13px;color:#cfbb8e;white-space:nowrap}.book-ideas .eyebrow{color:#b4c8d8}.book-progress{display:none;gap:8px;padding:0 30px}.book-interactive .book-progress{display:flex}.book-progress span{height:3px;background:#344b5e;flex:1;border-radius:2px}.book-progress .is-read{background:#d1b67b}.book-idea-card{padding:30px;border-top:1px solid #496172}.book-interactive .book-idea-card{border:0;min-height:235px}.book-card-label{font-size:13px;line-height:1.5;color:#b0c4d5;margin-bottom:18px}.book-card-content{display:grid;grid-template-columns:75px 1fr;gap:22px}.book-card-number{font:400 61px/1 Georgia,serif;color:#ae95636e}.book-card-content h3{font-size:25px;font-weight:450;line-height:1.35;margin-bottom:14px;letter-spacing:-.5px}.book-card-content p{font-size:20px;line-height:1.7;color:#c1d0dc;max-width:720px}.book-controls{padding:0 30px 25px;justify-content:space-between;gap:15px}.book-controls:not([hidden]){display:flex}.book-controls button:last-child{background:#e4c887;color:#1b2837}.book-controls button:disabled{opacity:.38;cursor:default}.book-return{margin:36px 0 42px;display:flex;align-items:flex-start;gap:23px;border-left:2px solid #b9a776;padding:7px 0 7px 24px}.book-return-symbol{font-size:36px;color:#bdaa79;line-height:1.2}.book-return h2{font-size:14px;font-weight:400;color:#bbcad5;margin-bottom:9px}.book-return p{font:400 23px/1.55 Georgia,serif;color:#e0d6be}.book-related{margin:0 0 35px}.book-related>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.book-related a{padding:19px;border:1px solid #415971;background:#142337;border-radius:8px;display:flex;justify-content:space-between;gap:10px;align-items:center;font-size:15px;line-height:1.65}.book-related a b{font-weight:400;color:#d5bb82}.book-sources{border-block:1px solid #3c5367;padding:17px 0}.book-sources summary{cursor:pointer;padding:8px 0;font-size:16px;color:#bfd0df}.book-sources p{font-size:15px;line-height:1.75;color:#afc2d2;margin:14px 0;max-width:850px}.book-sources a{display:block;width:fit-content;padding:9px 0;color:#a8c9df;font-size:14px;line-height:1.6;text-decoration:underline;text-underline-offset:3px}.book-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:30px}.book-bottom a{font-size:14px;color:#dbc594;padding:11px 0}.books-heading{max-width:730px;margin-bottom:38px}.books-heading>p:last-child{font-size:20px;line-height:1.75;color:#b7cadb;max-width:690px}.books-heading em{font-family:Georgia,serif;font-weight:400;color:#d4bd88}.books-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.book-tile{padding:26px;display:grid;grid-template-columns:105px 1fr;gap:26px;border:1px solid #3d5366;border-radius:12px;background:#122135;align-items:start}.book-tile:hover{border-color:#b39a6b}.book-tile .book-cover{min-height:160px;padding:15px 11px 12px 19px;gap:10px}.book-tile .book-cover-top{font-size:5px;letter-spacing:.6px}.book-tile .book-cover-line{height:18px}.book-tile .book-cover>strong{font-size:14px}.book-tile .book-cover>span{font-size:6px}.book-tile .book-cover>i{font-size:8px}.book-tile h2{font-size:23px;line-height:1.2;letter-spacing:-.6px;font-weight:450;margin-bottom:12px}.book-tile p{font-size:15px;color:#c2d0db;line-height:1.75}.book-tile .book-tile-author{font-size:12px;color:#a6bcce;margin-bottom:12px}.book-tile>div>span{font-size:13px;display:block;margin-top:18px;color:#d9bf87}.book-search{margin-bottom:27px;max-width:510px}.book-search label{display:block;font-size:14px;color:#aec4d3;margin-bottom:10px}.book-search input{display:block;width:100%;padding:14px 17px;font-size:17px;border:1px solid #607789;background:#17283b;border-radius:8px;color:#e4ecf1;min-height:49px}.book-search-count,.book-empty,.book-index-note{font-size:14px;color:#a9c0d0;margin-top:15px;line-height:1.7}.book-index-note{margin-top:35px}.book-page [hidden]{display:none!important}.book-page a:focus-visible,.book-page button:focus-visible,.book-page input:focus-visible{outline:2px solid #f4d495;outline-offset:5px}.book-page .book-ideas>header:focus{outline:none}@media(max-width:800px){.books-grid{grid-template-columns:1fr}.book-related>div{grid-template-columns:1fr}.book-heading{grid-template-columns:1fr 145px;gap:30px}.book-cover{min-height:230px;padding:19px}.book-cover>strong{font-size:21px}.book-heading h1{letter-spacing:-1.3px}}@media(max-width:520px){.book-wrap{width:calc(100% - 36px);padding-top:23px}.book-breadcrumb{margin-bottom:30px}.book-heading{grid-template-columns:1fr;gap:20px;margin-bottom:26px}.book-heading>.book-cover{display:none}.book-heading h1,.books-heading h1{font-size:38px}.book-author{font-size:16px}.book-jump{gap:8px 20px}.book-core{padding:23px}.book-core-copy{font-size:25px}.book-core-footer{flex-wrap:wrap}.book-summary{padding:29px 0}.book-summary>p{font-size:18px}.book-ideas>header{padding:22px 21px 17px}.book-ideas h2{font-size:25px}.book-progress{padding-inline:21px}.book-idea-card{padding:24px 21px}.book-card-content{grid-template-columns:1fr;gap:13px}.book-card-number{font-size:36px}.book-card-content h3{font-size:24px}.book-card-content p{font-size:18px}.book-controls{padding:0 21px 23px}.book-return{gap:13px;padding-left:18px}.book-return p{font-size:21px}.book-tile{grid-template-columns:74px 1fr;gap:20px;padding:22px 18px}.book-tile .book-cover{min-height:134px;padding:12px 7px 10px 13px}.book-tile .book-cover>strong{font-size:10px}.book-tile .book-cover>span{font-size:5px}.book-tile .book-cover-top{font-size:4px}.book-tile h2{font-size:22px}.books-heading>p:last-child{font-size:18px}}
.book-search-count{display:inline-block;margin-left:15px}.book-related>.book-all-ideas{display:inline-block;margin-top:18px;border:0;background:transparent;padding:10px 0;color:#d3bb83;text-decoration:underline;text-underline-offset:4px}.book-card-stage{min-height:210px}
.book-return h2{letter-spacing:.015em;line-height:1.5}
.own-book .book-core{border-color:#7d9fff70;background:radial-gradient(ellipse at 90% 10%,#7d9fff18,transparent 65%),#142238}.own-book .book-core .eyebrow,.own-book .book-ideas [data-book-position],.own-book .book-bottom a{color:#7d9fff}.own-book .book-core-copy{color:#f6f8ff}.own-book .book-controls button{border-color:#7d9fff;color:#a9bfff}.own-book .book-controls button:last-child{background:#7d9fff;color:#080e1c}.own-book .book-progress .is-read{background:#7d9fff}.own-book .book-card-number{color:#7d9fff80}.own-book .own-book-actions a{border-color:#7d9fff}.own-book .own-book-actions a:first-child{background:#7d9fff;color:#080e1c}.own-book .own-book-sections li>span,.own-book .own-sample-credit{color:#7d9fff!important}.book-page .own-book a:focus-visible,.book-page .own-book button:focus-visible{outline-color:#7d9fff}

.book-personal{margin:34px 0 42px;border-left:3px solid #b9a776;border-radius:0 12px 12px 0;padding:25px 30px;background:#182a39}.book-personal h2{font-size:24px;font-weight:450;line-height:1.4;margin:8px 0 18px}.book-personal blockquote{font:400 23px/1.65 Georgia,serif;color:#e0d6be;margin:0;max-width:850px}.book-personal-credit{font-size:13px;line-height:1.7;color:#b5c8d5;margin-top:20px}.book-personal-credit a{color:#d9bf87;text-decoration:underline;text-underline-offset:4px}.book-ideas+.book-related{margin-top:36px}@media(max-width:520px){.book-personal{padding:22px}.book-personal blockquote{font-size:20px}}

.own-book-cover{display:block;width:100%;height:auto;border-radius:2px 6px 6px 2px;box-shadow:12px 16px 30px #0005}.own-book .book-heading{grid-template-columns:1fr 280px;gap:65px}.own-book-subtitle{font-size:20px;line-height:1.7;color:#bfcedb;max-width:560px}.own-book-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 18px}.own-book-actions a{border:1px solid #d3bd90;padding:14px 19px;border-radius:5px;font-size:15px}.own-book-actions a:first-child{background:#d3bd90;color:#122236;font-weight:650}.own-book-meta,.own-book-note{color:#aec1d0;font-size:14px;line-height:1.8}.own-book-sections{padding:15px 0 42px}.own-book-sections h2{font-size:30px;font-weight:450}.own-book-sections ol{display:grid;grid-template-columns:1fr 1fr;gap:24px 40px;list-style:none;padding:0;margin:30px 0}.own-book-sections li{display:flex;gap:20px;border-top:1px solid #445c71;padding-top:22px}.own-book-sections li>span{font-size:13px;color:#d3bd90;padding-top:5px}.own-book-sections h3{font-size:19px;font-weight:500;margin:0 0 10px}.own-book-sections p{font-size:16px;color:#bfcedb;line-height:1.7;margin:0}.own-sample-credit{font-size:13px!important;line-height:1.6!important;color:#d3bd90!important;margin-top:20px!important}.own-book-note{margin:30px 0}.books-grid .own-book-cover{max-height:250px;width:auto;max-width:180px;object-fit:contain;justify-self:center}.own-book a:focus-visible{outline:2px solid #d3bd90;outline-offset:5px}@media(max-width:650px){.own-book .book-heading{grid-template-columns:1fr;gap:32px}.own-book .own-book-cover{max-width:230px;justify-self:center}.own-book-sections ol{grid-template-columns:1fr}.own-book-actions a{font-size:14px}.own-book-subtitle{font-size:18px}}

.own-book-preview{padding:30px;margin:0 0 45px;border:1px solid #445c71;border-radius:12px;background:#101a2e}.own-book-preview h2{font-size:30px;font-weight:450;margin:12px 0 16px;letter-spacing:-.7px}.own-book-preview p{font-size:18px;line-height:1.75;color:#bfcedb;max-width:750px}.own-book-preview-image{display:block;margin:25px 0 20px;border-radius:4px;overflow:hidden}.own-book-preview-image img{display:block;width:100%;height:auto}.own-book-preview .own-book-usage{font-size:14px}.own-book-preview-link{display:inline-block;padding:12px 0;color:#a9bfff;text-decoration:underline;text-underline-offset:4px}.own-book .book-sources ul{list-style:none;padding:0}.own-book .book-sources li{margin:15px 0;border-top:1px solid #3c5367;padding-top:12px}.own-book .book-sources li p{margin:0 0 12px}.own-book .book-sources a{color:#a9bfff}@media(max-width:650px){.own-book-preview{padding:20px}.own-book-preview h2{font-size:26px}.own-book-preview p{font-size:17px}}

.own-book .book-heading h1{text-wrap:balance}

.own-book-preview-image.is-page{max-width:560px;margin-inline:auto}

[data-book-summary="a-goal-of-your-own"] .own-book-actions a{border-color:#829bea}[data-book-summary="a-goal-of-your-own"] .own-book-actions a:first-child{background:#829bea;color:#080e1c}

[data-book-summary="a-goal-of-your-own"] .book-heading{grid-template-columns:1fr 340px;gap:40px}@media(max-width:800px){[data-book-summary="a-goal-of-your-own"] .book-heading{grid-template-columns:1fr}[data-book-summary="a-goal-of-your-own"] .own-book-cover{max-width:360px;justify-self:center}}

.worked-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0 0}.worked-fields>div{padding:18px 20px;background:#f0f3f9;color:#17243a;border-top:3px solid #8098ed;min-width:0}.worked-fields dt{font-size:13px;color:#50617d;line-height:1.5;margin-bottom:9px}.worked-fields dd{font-size:18px;line-height:1.65;margin:0;overflow-wrap:anywhere}.worked-example .book-card-content{grid-template-columns:50px 1fr}.worked-example .book-card-number{font-size:42px}.worked-example .book-card-content>div{min-width:0}@media(max-width:620px){.worked-fields{grid-template-columns:1fr}.worked-example .book-card-content{grid-template-columns:1fr}.worked-fields>div{padding:17px}.worked-fields dd{font-size:17px}}

.worked-page-links{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:20px}.worked-page-links a{font-size:14px;line-height:1.6;color:#a9bfff;padding:8px 0;text-decoration:underline;text-underline-offset:4px}.worked-metrics{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}.worked-metrics label{display:flex;justify-content:space-between;gap:20px;font-size:14px;line-height:1.7;color:#dce6fa}.worked-metrics label span{white-space:nowrap;color:#a9bfff}.worked-metrics progress{display:block;width:100%;height:8px;appearance:none;border:0;margin-top:12px;background:#34425d;border-radius:4px;overflow:hidden}.worked-metrics progress::-webkit-progress-bar{background:#34425d}.worked-metrics progress::-webkit-progress-value{background:#829bea}.worked-metrics progress::-moz-progress-bar{background:#829bea}@media(max-width:620px){.worked-metrics{grid-template-columns:1fr}.worked-page-links{flex-direction:column;gap:4px}}

.worked-case-intro{padding:0 30px 22px;font-size:17px;line-height:1.7;color:#bdcce0;max-width:900px}@media(max-width:520px){.worked-case-intro{padding-inline:21px;font-size:16px}}

.workbook-ai{margin:0 0 45px;padding:30px;border:1px solid #647cba;border-radius:12px;background:#142139;scroll-margin-top:100px}.workbook-ai h2{font-size:30px;line-height:1.25;font-weight:450;margin:12px 0 16px;letter-spacing:-.7px}.workbook-ai>p,.workbook-ai li{font-size:17px;line-height:1.75;color:#c8d4e6}.workbook-ai ol{padding-left:24px;max-width:750px}.workbook-ai li{padding-left:6px;margin:12px 0}.workbook-ai-actions{display:flex;align-items:center;gap:16px 24px;flex-wrap:wrap;margin-top:24px}.workbook-ai-actions button{background:#829bea;color:#080e1c;border:0;border-radius:5px;padding:14px 20px;font-family:inherit;font-size:16px;font-weight:600;line-height:1.4;cursor:pointer}.workbook-ai-actions a{color:#b5c9ff;text-decoration:underline;text-underline-offset:4px;padding-block:12px;font-size:15px}.workbook-ai .workbook-ai-status{font-size:15px;margin:14px 0}.workbook-ai-status:empty{display:none}.workbook-ai details{margin-top:20px}.workbook-ai summary{font-size:16px;color:#dce6fa;cursor:pointer;padding:10px 0}.workbook-ai textarea{display:block;box-sizing:border-box;width:100%;max-width:100%;resize:vertical;min-height:260px;margin-top:12px;border:1px solid #647cba;border-radius:4px;padding:20px;background:#f0f3f9;color:#17243a;font:16px/1.7 system-ui,sans-serif;white-space:pre-wrap}.workbook-ai .workbook-ai-note{font-size:14px;margin:18px 0 0;color:#bdcce0}.workbook-ai textarea:focus-visible{outline:2px solid #829bea;outline-offset:4px}.workbook-ai .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:650px){.workbook-ai{padding:20px}.workbook-ai h2{font-size:26px}.workbook-ai textarea{padding:15px}}

.book-shelf{scroll-margin-top:30px;margin:0 0 52px}.book-shelf>h2{font-size:28px;font-weight:450;line-height:1.3;margin-bottom:10px}.book-shelf>p{font-size:16px;line-height:1.65;color:#b7cadb;margin-bottom:24px}.books-grid .own-book-cover{width:100%;max-width:100%;height:auto}.book-tile>div{min-width:0}.book-breadcrumb>span{align-self:center}.books-heading .book-jump{margin-top:18px}.book-jump a{min-height:44px}
