:root{--bg-color: #f9f9f9;--paper-bg: #ffffff;--text-color: #333333;--heading-color: #2c3e50;--secondary-text: #7f8c8d;--border-color: #eeeeee;--link-color: #2980b9;--link-hover-color: #3498db;--accent-green: #67b080;--hover-bg: #f5f5f5;--shadow-color: rgba(0, 0, 0, .1);--nav-overlay: rgba(0, 0, 0, .5);--layout-reading: min(52rem, calc(100% - 2rem) );--layout-wide: min(70rem, calc(100% - 2rem) )}[data-theme=dark]{--bg-color: #121212;--paper-bg: #1e1e1e;--text-color: #e0e0e0;--heading-color: #ffffff;--secondary-text: #a0a0a0;--border-color: #333333;--link-color: #5dade2;--link-hover-color: #85c1e9;--accent-green: #7fc495;--hover-bg: #2c2c2c;--shadow-color: rgba(0, 0, 0, .5);--nav-overlay: rgba(0, 0, 0, .7)}@media(max-width:768px){:root{--layout-reading: min(52rem, calc(100% - 1rem) );--layout-wide: min(70rem, calc(100% - 1rem) )}}html{-webkit-text-size-adjust:100%}*,*:before,*:after{box-sizing:border-box}body{background-color:var(--bg-color);color:var(--text-color);transition:background-color .3s ease,color .3s ease;margin:0;overflow-x:hidden}app-comments-section .contribution-target{padding:.8rem .9rem;border:1px solid color-mix(in srgb,var(--link-color) 30%,var(--border-color));border-radius:.65rem;background:color-mix(in srgb,var(--link-color) 5%,var(--paper-bg))}app-comments-section .contribution-target-heading{display:flex;align-items:center;justify-content:space-between;gap:.8rem;font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:var(--comments-size-ui-small)}app-comments-section .contribution-target-heading button{padding:0;border:0;background:transparent;color:var(--link-color);font:inherit;cursor:pointer}app-comments-section .contribution-target blockquote,app-comments-section .comment-target-quote{margin:.65rem 0 0;padding-left:.8rem;border-left:2px solid color-mix(in srgb,var(--link-color) 48%,var(--border-color));color:var(--secondary-text);font-size:var(--comments-size-body-muted);line-height:1.5}app-comments-section .contribution-target textarea{width:100%;margin-top:.65rem;padding:.68rem .72rem;border:1px solid var(--border-color);border-radius:.55rem;background:var(--paper-bg);color:var(--text-color);font:inherit;font-size:var(--comments-size-body-muted);line-height:1.45;resize:vertical}app-comments-section .contribution-badges{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.7rem;font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:var(--comments-size-ui-xs)}app-comments-section .contribution-kind,app-comments-section .contribution-resolution{padding:.25rem .5rem;border:1px solid var(--border-color);border-radius:999px;color:var(--secondary-text);background:color-mix(in srgb,var(--hover-bg) 62%,var(--paper-bg))}app-comments-section .contribution-resolution.resolved{border-color:color-mix(in srgb,#2d6a4f 38%,var(--border-color));color:color-mix(in srgb,#2d6a4f 78%,var(--text-color))}app-comments-section .comment-card .comment-target-quote{display:block;margin-top:0}app-comments-section .comment-target-button{width:100%;margin-top:.75rem;padding:.7rem .8rem;border:1px solid transparent;border-radius:.6rem;background:transparent;color:inherit;text-align:left;cursor:pointer;transition:border-color .2s ease,background .2s ease}app-comments-section .comment-target-button:hover,app-comments-section .comment-target-button:focus-visible{border-color:color-mix(in srgb,var(--link-color) 35%,var(--border-color));background:color-mix(in srgb,var(--link-color) 5%,var(--paper-bg))}app-comments-section .comment-target-link{display:block;margin-top:.45rem;color:var(--link-color);font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:var(--comments-size-ui-xs)}app-comments-section .comment-card .resolution-note{padding:.65rem .75rem;border-left:3px solid color-mix(in srgb,#2d6a4f 55%,var(--border-color));background:color-mix(in srgb,#2d6a4f 6%,var(--paper-bg));color:var(--secondary-text)}app-book-page .revision-control{display:inline-flex;align-items:center;gap:.35rem;color:var(--secondary-text)}app-book-page .author-credit-link{color:var(--link-color);text-decoration:none;border-bottom:1px solid color-mix(in srgb,var(--link-color) 30%,transparent)}app-book-page .author-credit-link:hover,app-book-page .author-credit-link:focus-visible{border-bottom-color:var(--link-color)}app-book-page .revision-control select{padding:.2rem 1.7rem .2rem .45rem;border:1px solid var(--border-color);border-radius:999px;background:var(--paper-bg);color:var(--text-color);font:inherit;font-size:inherit;letter-spacing:normal;text-transform:none;cursor:pointer}app-book-page .historical-revision-notice{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:1.25rem;padding:.8rem .9rem;border:1px solid color-mix(in srgb,#b7791f 42%,var(--border-color));border-radius:.7rem;background:color-mix(in srgb,#b7791f 7%,var(--paper-bg));font-family:var(--page-ui-font);font-size:var(--page-size-meta)}app-book-page .historical-revision-notice div,app-book-page .historical-revision-notice span{display:block}app-book-page .historical-revision-notice span{margin-top:.2rem;color:var(--secondary-text)}app-book-page .historical-revision-notice button{flex-shrink:0;padding:.45rem .7rem;border:1px solid var(--border-color);border-radius:999px;background:var(--paper-bg);color:var(--link-color);font:inherit;cursor:pointer}app-book-page .revision-actions{margin-top:1rem}app-book-page .revision-diff-toggle,app-book-page .revision-diff-block button{border:0;background:transparent;color:var(--link-color);font:inherit;cursor:pointer}app-book-page .revision-diff-toggle{padding:0;border-bottom:1px solid color-mix(in srgb,var(--link-color) 42%,transparent);font-family:var(--page-ui-font);font-size:var(--page-size-meta)}app-book-page 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.revision-diff-block>header{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.5rem .75rem;border-bottom:1px solid var(--border-color);color:var(--secondary-text);font-size:var(--page-size-meta);text-transform:capitalize}app-book-page .revision-diff-block button{padding:0;font-size:inherit}app-book-page .revision-diff-copy{padding:.8rem .9rem}app-book-page .revision-diff-copy+.revision-diff-copy{border-top:1px dashed var(--border-color)}app-book-page .revision-diff-copy.before{background:color-mix(in srgb,#9b2c2c 5%,var(--paper-bg))}app-book-page .revision-diff-copy.after{background:color-mix(in srgb,#2d6a4f 5%,var(--paper-bg))}app-book-page .revision-diff-copy>span{color:var(--secondary-text);font-size:calc(var(--page-size-meta) * .88);font-weight:700;letter-spacing:.06em;text-transform:uppercase}app-book-page .revision-diff-copy p{margin:.35rem 0 0;line-height:1.55}app-book-page .revision-diff-state{margin:0;color:var(--secondary-text)}app-book-page .revision-diff-state.is-error{color:#9b2c2c}app-book-page .revision-timeline{display:grid;gap:.75rem;margin:1.5rem 0 0;padding:1.25rem 0 0;border-top:1px solid var(--border-color);list-style:none}app-book-page .revision-timeline li{color:var(--secondary-text)}app-book-page .revision-timeline-link{display:grid;grid-template-columns:2rem 1fr;gap:.65rem;margin:-.4rem;padding:.4rem;border:1px solid transparent;border-radius:.65rem;color:inherit;text-decoration:none;transition:border-color .2s ease,background .2s ease}app-book-page .revision-timeline-link:hover,app-book-page .revision-timeline-link:focus-visible{border-color:color-mix(in srgb,var(--link-color) 32%,var(--border-color));background:color-mix(in srgb,var(--link-color) 6%,var(--paper-bg))}app-book-page .revision-timeline li.selected .revision-timeline-link{border-color:color-mix(in srgb,var(--link-color) 20%,var(--border-color));background:color-mix(in srgb,var(--link-color) 4%,var(--paper-bg))}app-book-page .revision-timeline-number{display:grid;width:1.8rem;height:1.8rem;place-items:center;border:1px solid var(--border-color);border-radius:50%;font-size:var(--page-size-meta)}app-book-page .revision-timeline li.current .revision-timeline-number{border-color:var(--link-color);background:var(--link-color);color:var(--paper-bg)}app-book-page .revision-timeline strong,app-book-page .revision-timeline-copy>span{display:block}app-book-page .revision-timeline strong{color:var(--text-color)}app-book-page .revision-timeline-copy>span{margin-top:.15rem;font-size:var(--page-size-meta)}app-book-page .new-article-proposal-callout{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin:2rem 0;padding:1rem;border:1px solid var(--border-color);border-radius:.7rem;background:color-mix(in srgb,var(--link-color) 4%,var(--paper-bg));font-family:var(--page-ui-font)}app-book-page .new-article-proposal-callout strong,app-book-page .new-article-proposal-callout span{display:block}app-book-page .new-article-proposal-callout span{margin-top:.2rem;color:var(--secondary-text);font-size:var(--page-size-meta)}app-book-page .new-article-proposal-callout a{flex-shrink:0;color:var(--link-color);font-size:var(--page-size-meta);font-weight:700;text-decoration:none}@media(max-width:600px){app-book-page .historical-revision-notice{align-items:flex-start;flex-direction:column}app-book-page .revision-diff-header{flex-direction:column}app-book-page .revision-diff-counts{justify-content:flex-start}app-book-page .revision-diff-block>header{align-items:flex-start;flex-direction:column;gap:.35rem}app-book-page .new-article-proposal-callout{align-items:flex-start;flex-direction:column}}body.soyuz-comments-expanded .app-footer{display:none}img,svg,video,canvas{max-width:100%;height:auto}