/* The reading room. Book text keeps a distinct identity from site articles. */
.reader-shell{width:min(1310px,calc(100% - 72px));margin:0 auto;padding:28px 0 70px}.reader-topline{display:flex;justify-content:space-between;gap:20px;margin-bottom:24px}.reader-topline .back-link{margin:0}.reader-credit-link{font-size:12px;color:var(--muted)}.reader-credit-link:hover{color:var(--orange)}.reader-layout{display:grid;grid-template-columns:245px minmax(0,1fr);gap:46px;align-items:start}.reader-sidebar{position:sticky;top:122px;max-height:calc(100vh - 142px);overflow:auto;padding-right:14px;scrollbar-width:thin;scrollbar-color:#515641 transparent}.reader-sidebar h2{font-size:30px;letter-spacing:-.8px;margin:14px 0 12px;line-height:1.2}.reader-author{font-size:12px;margin-bottom:28px}.reader-sidebar summary{font-size:13px;font-weight:600;cursor:pointer;list-style:none;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0}.reader-sidebar summary::after{content:'+';float:right}.reader-sidebar details[open] summary::after{content:'−'}.reader-sidebar summary span{color:var(--muted);font-size:10px;font-weight:400;margin-left:8px}.reader-sidebar ol{list-style:none;padding:10px 0;margin:0}.reader-sidebar li{margin:0}.reader-sidebar li a{display:flex;align-items:baseline;gap:10px;padding:9px 9px 9px 0;color:var(--muted);font-size:12px;line-height:1.45}.reader-sidebar li span{color:#848b79;font-family:var(--mono);font-size:10px;flex-shrink:0}.reader-sidebar li a:hover,.reader-sidebar li a[aria-current=page]{color:var(--orange)}.reader-sidebar li a[aria-current=page]{background:#f29a520b;border-right:2px solid var(--orange)}.reader-edition{font-size:10px;border-top:1px solid var(--line);padding-top:16px;margin-top:12px}.reader-source{display:block;font-size:11px;color:var(--orange);margin-top:12px}.reading-pane{--reader-fg:#d5d2c8;--reader-heading:#f1eee7;--reader-subtle:#a8aaa0;--reader-border:#37392f;--reader-accent:#f29a52;--reader-panel:#22251d;background:#171914;border:1px solid var(--reader-border);padding:0 48px 28px;min-width:0;color:var(--reader-fg)}.reading-pane[data-theme=paper]{--reader-fg:#353830;--reader-heading:#1a2117;--reader-subtle:#626958;--reader-border:#cccab8;--reader-accent:#9e461b;--reader-panel:#e6e4d7;background:#f3f0e6;color-scheme:light}.reader-controls{display:flex;align-items:center;gap:16px;border-bottom:1px solid var(--reader-border);padding:16px 0;flex-wrap:wrap}.reader-controls button{min-height:38px;background:transparent;border:1px solid var(--reader-border);color:var(--reader-heading);padding:6px 13px;font-size:11px}.reader-controls button:hover{border-color:var(--reader-accent);color:var(--reader-accent)}.reader-controls button:disabled{opacity:.35;cursor:default}.reader-controls button[aria-pressed=true]{background:var(--reader-panel)}.font-controls{display:flex;align-items:center;gap:12px}.font-controls button{border:0;font-family:var(--serif);font-size:19px;padding:4px;min-width:30px}.font-controls span{font-size:11px;font-family:var(--mono);color:var(--reader-subtle);min-width:15px}.reader-controls #save-place{margin-left:auto}.reader-progress{display:flex;align-items:center;gap:17px;margin-top:16px}.reader-progress progress{height:2px;width:100%;border:0;background:var(--reader-border);accent-color:var(--reader-accent)}.reader-progress progress::-webkit-progress-bar{background:var(--reader-border)}.reader-progress progress::-webkit-progress-value{background:var(--reader-accent)}.reader-progress span{font-size:9px;color:var(--reader-subtle);white-space:nowrap;font-family:var(--mono)}.book-chapter-header{padding:45px 0 32px;border-bottom:1px solid var(--reader-border);margin-bottom:32px}.book-chapter-header .eyebrow{color:var(--reader-accent);font-size:10px}.book-chapter-header h1{font-size:clamp(32px,3.2vw,49px);line-height:1.15;letter-spacing:-1.4px;color:var(--reader-heading);margin:18px 0}.book-chapter-header>p:last-child{font-size:12px;color:var(--reader-subtle)}.book-body{font-family:var(--serif);font-size:var(--reader-size);line-height:1.8;overflow-wrap:anywhere;min-width:0}.book-body p{font-size:inherit;color:var(--reader-fg);margin:0 0 23px}.book-body h2,.book-body h3,.book-body h4,.book-body h5{font-family:var(--sans);color:var(--reader-heading);font-weight:500;letter-spacing:-.5px;line-height:1.35;margin:36px 0 19px}.book-body h2{font-size:1.4em}.book-body h3{font-size:1.2em}.book-body h4{font-size:1.05em}.book-body h5{font-size:1em}.book-body strong{color:var(--reader-heading)}.book-body a{color:var(--reader-accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}.book-body a:hover{color:var(--reader-heading)}.book-body img{max-width:100%;height:auto;display:block;margin:20px auto;background:#fff}.book-body .imageblock{margin:28px 0}.book-body .imageblock .title,.book-body figcaption,.book-body .image-credit{font-family:var(--sans);font-size:11px;line-height:1.7;color:var(--reader-subtle);margin:12px 0}.book-body .image-credit a{color:inherit}.book-body .title{font-weight:600;margin:14px 0 8px;font-family:var(--sans);font-size:.75em}.book-body blockquote{margin:28px 0;border-left:2px solid var(--reader-accent);padding:10px 0 10px 23px}.book-body blockquote p:last-child{margin-bottom:0}.book-body cite{display:block;font-size:.75em;color:var(--reader-subtle);margin-top:10px}.book-body ul,.book-body ol{padding-left:26px;margin:20px 0}.book-body li{margin:10px 0}.book-body li p{margin:8px 0}.book-body pre{white-space:pre;overflow:auto;max-width:100%;background:var(--reader-panel);padding:20px;font-family:var(--mono);font-size:.65em;line-height:1.7;border:1px solid var(--reader-border);overflow-wrap:normal;tab-size:4}.book-body code{font-family:var(--mono);font-size:.76em;color:var(--reader-heading)}.book-body pre code{font-size:inherit}.book-body .listingblock,.book-body .literalblock{min-width:0;max-width:100%;margin:24px 0}.book-body table{display:block;max-width:100%;overflow:auto;border-collapse:collapse;margin:28px 0;font-family:var(--sans);font-size:.7em;line-height:1.65;white-space:normal}.book-body th,.book-body td{padding:12px;border:1px solid var(--reader-border);vertical-align:top;min-width:65px}.book-body td p{font-family:var(--sans);line-height:1.65;margin-bottom:8px}.book-body th{font-weight:600;background:var(--reader-panel);color:var(--reader-heading)}.book-body .admonitionblock{background:var(--reader-panel);border-left:2px solid var(--reader-accent);padding:8px 16px;margin:25px 0}.book-body .admonitionblock table{margin:0;font-family:var(--sans);font-size:.73em}.book-body .admonitionblock td{border:0;padding:10px 8px}.book-body .admonitionblock .icon{font-weight:600;color:var(--reader-accent);min-width:55px}.book-body .sidebarblock{padding:20px;background:var(--reader-panel);border:1px solid var(--reader-border);margin:28px 0}.book-body .sidebarblock p{font-size:.9em}.book-body hr{border:0;border-top:1px solid var(--reader-border);margin:30px 0}.book-body .omitted-illustration{display:block;border:1px solid var(--reader-border);font-family:var(--sans);font-size:12px;padding:16px;margin:24px 0}.book-body math{font-size:1em;max-width:100%;overflow:auto;padding:15px 0;color:var(--reader-heading)}.book-body [id]{scroll-margin-top:125px}.book-body .footnote{font-size:.8em;margin-bottom:18px}.book-body .line-through{text-decoration:line-through}.book-body .underline{text-decoration:underline}.reader-chapter-nav{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding:30px 0;margin-top:42px;border-top:1px solid var(--reader-border);border-bottom:1px solid var(--reader-border)}.reader-chapter-nav a{min-width:0}.reader-chapter-nav a:hover strong{color:var(--reader-accent)}.reader-chapter-nav span{display:block;font-size:10px;color:var(--reader-subtle);margin-bottom:10px}.reader-chapter-nav strong{font-weight:400;font-family:var(--serif);font-size:22px;line-height:1.3;color:var(--reader-heading);display:block}.reader-next{text-align:right}.reading-license{margin-top:25px;font-family:var(--sans);font-size:11px}.reading-license summary{cursor:pointer;color:var(--reader-subtle)}.reading-license p{font-size:11px;color:var(--reader-subtle);margin-top:15px}.reading-license a{color:var(--reader-accent);text-decoration:underline;text-underline-offset:3px}.reader-save-status{font-size:10px;color:var(--reader-subtle);margin-top:20px}.book-credits section{border-top:1px solid var(--line);margin-top:35px;padding-top:15px}.book-credits .credit-author{font-family:var(--sans);font-size:13px;color:var(--muted)}.book-credits li{font-size:14px;margin:8px 0}.book-card .reading-available{font-family:var(--mono);color:var(--orange);font-size:10px;margin:0 0 16px}.book-card .book-external-link{font-size:11px;color:var(--muted);padding-top:12px}.book-card .book-external-link:hover{color:var(--orange)}
@media(max-width:1100px){.reader-shell{width:calc(100% - 48px)}.reader-layout{grid-template-columns:195px minmax(0,1fr);gap:27px}.reading-pane{padding-left:30px;padding-right:30px}.reader-sidebar h2{font-size:26px}.reader-controls{gap:10px}.reader-controls button{padding-left:9px;padding-right:9px}}
@media(max-width:860px){.reader-shell{width:calc(100% - 36px);padding-top:22px}.reader-layout{grid-template-columns:minmax(0,1fr);gap:22px}.reader-sidebar{position:static;max-height:none;padding-right:0;overflow:visible}.reader-sidebar h2{font-size:28px;margin:8px 0}.reader-sidebar .eyebrow{font-size:9px}.reader-author{margin-bottom:18px}.reader-sidebar ol{max-height:330px;overflow:auto}.reader-sidebar .reader-edition,.reader-sidebar .reader-source{display:none}.reader-sidebar summary{padding:12px 0}.reader-sidebar li a{font-size:13px;min-height:42px}.reading-pane{padding:0 25px 24px}.book-chapter-header{padding-top:32px}.book-chapter-header h1{font-size:38px;letter-spacing:-1px}.book-body h2{font-size:1.3em}.book-body pre{font-size:.63em}.reader-chapter-nav strong{font-size:20px}.reader-topline{gap:15px;margin-bottom:22px}.reader-credit-link,.reader-topline .back-link{font-size:11px}.book-body math{font-size:.87em}.book-body .admonitionblock table,.book-body .admonitionblock tbody,.book-body .admonitionblock tr,.book-body .admonitionblock td{display:block;max-width:100%}.book-body .admonitionblock .icon{padding-bottom:0}.reader-progress span{font-size:8px}}
@media(max-width:420px){.reader-shell{width:calc(100% - 24px)}.reading-pane{padding-left:18px;padding-right:18px}.reader-controls{gap:7px}.font-controls{gap:6px}.reader-controls button{font-size:10px;padding-left:8px;padding-right:8px}.font-controls button{font-size:18px}.reader-controls #save-place{margin-left:0}.book-chapter-header h1{font-size:32px}.book-body blockquote{padding-left:16px}.reader-chapter-nav{gap:17px}.reader-chapter-nav strong{font-size:18px}.book-body table{font-size:.62em}.book-body pre{padding:14px}.book-body math{font-size:.72em}}
@media print{.reader-sidebar,.reader-topline,.reader-controls,.reader-progress,.reader-chapter-nav,.reader-save-status{display:none!important}.reader-shell{width:100%;padding:0}.reader-layout{display:block}.reading-pane{--reader-fg:#222;--reader-heading:#000;--reader-subtle:#444;--reader-border:#ccc;--reader-accent:#222;--reader-panel:#eee;border:0;padding:0;background:white}.book-body{font-size:12pt}.book-chapter-header h1{font-size:28pt}.book-body pre{white-space:pre-wrap}.book-body table{display:table}.reading-license{display:block}}
/* Keep reading controls within reach while scrolling. */
.book-body .image-credit{display:block}
.reading-pane{--reader-bg:#171914}.reading-pane[data-theme=paper]{--reader-bg:#f3f0e6}.reader-controls{position:sticky;top:93px;z-index:5;background:var(--reader-bg)}
@media(max-width:1050px){.reader-controls{top:85px}}
@media(max-width:760px){.reader-controls{top:70px}}

/* Expanded reading shelf */
.library-intro{max-width:900px}.library-tools{display:flex;align-items:end;justify-content:space-between;gap:24px;padding-bottom:20px}.library-search{display:block;width:min(100%,470px)}.library-search span{display:block;font-size:11px;letter-spacing:.5px;color:var(--muted);margin-bottom:9px}.library-search input{width:100%;min-height:47px;background:#191b16;border:1px solid var(--line);border-radius:0;color:var(--ink);padding:11px 15px;font-size:14px}.library-search input::placeholder{color:var(--muted)}.library-credits{font-size:12px;color:var(--orange);padding-bottom:13px;white-space:nowrap}.library-filters{border-top:1px solid var(--line);padding-top:20px}.book-card[hidden],.library-empty[hidden]{display:none}.book-card-labels{display:flex;align-items:center;justify-content:space-between;gap:8px}.book-card-labels .eyebrow{font-size:9px;letter-spacing:1px}.book-license{font-family:var(--mono);font-size:9px;color:var(--orange);white-space:nowrap}.book-card h2{overflow-wrap:anywhere}.library-empty{text-align:center;padding:45px 0 80px}.library-empty p{margin:18px 0 25px}.book-spine.copper{background:#754b32;border-color:#b78554;color:#f3d1a1}.book-spine.sage{background:#3e5141;border-color:#829875;color:#d6dec3}.book-spine.lightning{background:#725d2b;border-color:#bc9d49;color:#f5d97b}.book-spine.violet{background:#484153;border-color:#8a7896;color:#d9c9df}.book-spine.blue{background:#304957;border-color:#668b9c;color:#c7dce7}.book-spine.terminal{background:#243f34;border-color:#6b977c;color:#bce2c6}
@media(max-width:760px){.library-tools{align-items:start;flex-direction:column;gap:13px}.library-search{width:100%}.library-credits{padding:0}.library-filters{gap:7px}.library-filters .filter{font-size:11px;padding:8px 11px}.book-card-labels .eyebrow{font-size:10px}.book-license{font-size:10px}}

/* Reading editions and official book recommendations share the same shelf. */
.library-access{display:flex;align-items:center;gap:24px;flex-wrap:wrap;padding:8px 0 23px}
.library-access>.eyebrow{font-size:9px;color:var(--muted)}
.access-options{display:flex;gap:8px;flex-wrap:wrap}
.access-filter{display:flex;align-items:center;gap:15px;min-height:44px;border:1px solid var(--line);background:transparent;padding:10px 15px;font-size:12px;color:var(--soft)}
.access-filter span{font-family:var(--mono);font-size:10px;color:var(--muted)}
.access-filter[aria-pressed=true]{background:#f29a5212;border-color:#9f683f;color:var(--orange)}
.access-filter[aria-pressed=true] span{color:var(--orange)}
.access-filter:hover{border-color:var(--orange)}
.book-card .book-availability{font-size:11px;line-height:1.7;margin:0 0 14px;color:var(--muted)}
.book-card .external-badge{color:#b5c9b3}
.book-card .external-note{color:var(--muted);font-size:9px}
.book-source-label{display:block;font-size:10px;line-height:1.6;color:var(--muted);padding-top:12px}
.recommended-credits{padding:5px 0 22px;border-bottom:1px solid var(--line);margin-bottom:35px}
.recommended-credits li span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
@media(max-width:760px){.library-access{gap:12px;padding-top:6px}.library-access>.eyebrow{width:100%}.access-options{gap:6px}.access-filter{gap:8px;padding:10px 11px;font-size:11px}.book-card .external-note{font-size:10px}}

.reader-edition-note{border:1px solid var(--reader-border);border-left:2px solid var(--reader-accent);background:var(--reader-panel);padding:16px 18px;margin:0 0 30px;font-family:var(--sans);font-size:12px;line-height:1.7;color:var(--reader-subtle)}
.reader-edition-note p{margin:0 0 8px;font-size:12px;line-height:1.7;color:var(--reader-subtle)}
.reader-edition-note a{color:var(--reader-accent);text-decoration:underline;text-underline-offset:3px}
.book-body .rights-omission,.book-body .reader-callout{border:1px solid var(--reader-border);border-left:2px solid var(--reader-accent);padding:16px 18px;margin:24px 0;background:var(--reader-panel);font-family:var(--sans);font-size:.7em;line-height:1.75}
.book-body .rights-omission p,.book-body .reader-callout p{font-family:inherit;font-size:inherit;margin:0 0 8px}
.book-body .rights-omission p:last-child,.book-body .reader-callout p:last-child{margin-bottom:0}
.book-body .cryptosteel-illustration{background:#fff;padding:18px;border:1px solid var(--reader-border)}
.book-body .cryptosteel-illustration img{width:100%;height:auto;max-height:580px;object-fit:contain}
.book-body .cryptosteel-illustration figcaption{color:#56594b;font-family:var(--sans);font-size:11px;line-height:1.6;padding-top:12px}
.book-body .cryptosteel-illustration figcaption a{color:#934315}
.book-body .reader-source-page{font-family:var(--sans);font-size:10px;line-height:1.6;margin:24px 0 12px;color:var(--reader-subtle)}
.book-body .reader-source-page a{color:var(--reader-subtle);text-decoration-style:dotted}
.book-body .reader-footnote{font-size:.83em;border-left:1px solid var(--reader-border);padding-left:16px;margin:20px 0}
.book-body a.reader-omission{border:0;background:transparent;padding:0;margin:0;font-family:inherit;font-size:inherit;line-height:inherit}

/* Keep the first books visible on arrival, with topics available on demand. */
.book-cover-original{display:block;object-fit:contain;max-width:100%}
.book-row .book-cover-original{width:70px;height:91px}
.book-grid .book-display{position:relative}
.book-grid .book-display .book-cover-original{width:calc(100% - 28px);height:130px;margin-top:-12px}
.cover-credit-link{position:absolute;bottom:7px;left:6px;right:6px;text-align:center;font-size:9px;line-height:1.35;color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.cover-credit-link:hover{color:var(--orange)}
.cover-credit-entry{display:grid;grid-template-columns:140px minmax(0,1fr);gap:28px;padding:30px 0;border-top:1px solid var(--line)}
.cover-credit-entry>img{width:140px;max-height:195px;object-fit:contain;object-position:top}
.cover-credit-entry h2{margin:8px 0 16px}
.cover-credit-entry p{overflow-wrap:anywhere}
.cover-credit-entry .eyebrow{font-size:9px}
.cover-credit-entry .small{font-size:13px}
.cover-credits>p:last-child{margin-top:28px}
.cover-credits>.back-link{display:flex;width:max-content;margin-bottom:20px}
.cover-credits>.eyebrow{display:block;margin-bottom:14px}
.book-grid .book-card{display:grid;grid-template-rows:subgrid;grid-row:span 3;row-gap:0}
.book-grid .book-card[hidden]{display:none}
.book-card-heading,.book-card-body{min-width:0}
.book-card-body{display:flex;flex-direction:column}
.book-grid .book-display{margin-top:16px;margin-bottom:0;height:180px}
.book-grid .book-display .book-spine{width:96px;height:130px;padding:11px;border-left-width:6px}
.book-grid .book-display .book-symbol{font-size:48px}
.book-grid .book-display .book-caption{font-size:7px}
.library-mascot{max-width:390px;margin-top:10px}
.library-mascot+.library-intro{max-width:none;padding-top:0;padding-bottom:16px}
.library-intro .eyebrow{font-size:9px;letter-spacing:1.4px;margin-bottom:5px}
.library-intro h1{font-size:42px;letter-spacing:-1.4px}
.library-intro p{font-size:14px;line-height:1.5;margin-top:8px;max-width:none}
.library-tools{padding-bottom:10px;gap:16px}
.library-search span{font-size:10px;margin-bottom:5px}
.library-search input{min-height:44px}
.library-access{padding:0 0 10px}
.library-topics{border-top:1px solid var(--line);margin-bottom:18px}
.library-topics summary{display:flex;align-items:center;gap:10px;min-height:42px;font-size:12px;color:var(--muted);cursor:pointer;list-style:none}
.library-topics summary::-webkit-details-marker{display:none}
.library-topics summary::before{content:'+';font-size:18px;color:var(--orange);width:12px}
.library-topics[open] summary::before{content:'−'}
.library-topics summary .result-count{width:auto;margin-left:auto;padding:0}
.library-topics .library-filters{border-top:0;padding:0 0 12px;gap:7px}
.library-topics .filter{padding:7px 12px;min-height:38px;font-size:12px}
@media(max-width:760px){
 .book-grid .book-display .book-cover-original{width:56px;height:76px;margin-top:-13px}
 .cover-credit-link{font-size:8px;bottom:6px;left:2px;right:2px}
 .cover-credit-entry{grid-template-columns:76px minmax(0,1fr);gap:18px}
 .cover-credit-entry>img{width:76px;max-height:120px}
 .cover-credit-entry h2{font-size:25px}
 .library-mascot{max-width:280px;margin-top:8px}
 .library-intro h1{font-size:31px;line-height:1.13;letter-spacing:-.8px}
 .library-intro .eyebrow{font-size:8px;letter-spacing:1px}
 .library-intro p{font-size:13px;margin-top:6px}
 .library-mascot+.library-intro{padding-bottom:12px}
 .library-tools{gap:7px;padding-bottom:10px}
 .library-credits{font-size:11px}
 .library-access{padding:0 0 8px}
 .access-filter{padding:8px 10px;min-height:40px;font-size:10px}
 .library-topics{margin-bottom:12px}
 .book-grid .book-card{display:grid;grid-template-columns:64px minmax(0,1fr);grid-template-rows:none;grid-row:auto;column-gap:16px;padding:18px;align-content:start}
 .book-grid .book-card[hidden]{display:none}
 .book-grid .book-card>*{grid-column:1/-1}
 .book-card-heading{display:contents}
 .book-grid .book-card>.book-display{grid-column:1;grid-row:1/4;height:104px;margin:0;align-self:start}
 .book-grid .book-display .book-spine{width:48px;height:76px;padding:5px;border-left-width:4px;box-shadow:5px 6px 9px #0005}
 .book-grid .book-display .book-symbol{font-size:28px}
 .book-grid .book-display .book-caption{font-size:4px}
 .book-grid .book-card-labels{grid-column:2;flex-wrap:wrap;justify-content:flex-start;gap:3px 8px}
 .book-grid .book-card-labels .eyebrow,.book-grid .book-license{font-size:8px;letter-spacing:.4px}
 .book-grid .book-card h2{grid-column:2;font-size:23px;line-height:1.15;margin:7px 0 6px}
 .book-grid .book-card .author{grid-column:2;font-size:11px;min-height:0}
 .book-grid .book-card .description{margin:14px 0 18px}
}