/* One reading directory, with quiet topic tabs and a single editorial order. */
.reading-index-intro,.reading-directory,.reading-series-intro,.reading-course-groups,.reading-course-end,.reading-topic-overview{max-width:1020px}
.reading-index-intro{padding-block:58px 34px}
.reading-index-intro h1{font-size:clamp(40px,5.2vw,66px);line-height:1.2;letter-spacing:-.05em;margin:0 0 20px}
.reading-index-intro>div>p,.reading-index-intro>p{font-size:16px;color:var(--muted);max-width:44em}
.reading-back-link{display:inline-flex;align-items:center;min-height:44px;margin-bottom:20px;font-size:13px;color:var(--accent)}
.reading-directory{padding-bottom:80px;scroll-margin-top:calc(var(--header-height,76px) + 24px)}
.reading-tools{display:flex;align-items:center;gap:12px}
.reading-search{display:flex;align-items:center;gap:14px;flex:1;min-width:0;min-height:52px;padding:12px 17px;border:1px solid var(--line);background:var(--surface);border-radius:10px}
.reading-search:focus-within{border-color:var(--accent)}
.reading-search svg{width:18px;height:18px;color:var(--muted)}
.reading-search input{width:100%;min-width:0;padding:0;border:0;outline:none;background:transparent;color:var(--ink);font:inherit;font-size:14px;line-height:1.8}
.reading-search input::placeholder{color:var(--faint)}
.reading-reset,.reading-empty button,.reading-load-feedback button{min-height:44px;padding:9px 16px;border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--muted);font-size:12px}
.reading-reset:hover,.reading-empty button:hover,.reading-load-feedback button:hover{color:var(--accent);border-color:var(--accent)}
.reading-topics{display:flex;gap:7px;margin:21px 0 12px;padding:3px 3px 12px;overflow-x:auto;overscroll-behavior-inline:contain;scrollbar-width:thin}
.reading-topics button{flex:0 0 auto;min-height:44px;padding:9px 15px;border:1px solid transparent;border-radius:99px;background:transparent;color:var(--muted);white-space:nowrap;font-size:13px;transition:color 150ms,border-color 150ms,background 150ms}
.reading-topics button:hover{color:var(--ink);background:var(--note)}
.reading-topics button[aria-pressed=true]{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 35%,var(--line));background:var(--accent-soft)}
.reading-results-info{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:4px 0 16px;color:var(--faint);font-size:11px;border-bottom:1px solid var(--line)}
.reading-results-info p{color:var(--muted)}
.reading-load-feedback{font-size:12px;color:var(--muted)}
.reading-load-feedback p:empty{display:none}
.reading-load-feedback p:not(:empty){margin:12px 0}
.reading-load-feedback button{margin-bottom:12px}
.reading-row{padding:29px 0 31px;border-bottom:1px solid var(--line)}
.reading-row-meta{display:flex;align-items:center;flex-wrap:wrap;gap:14px;font-size:11px;color:var(--faint)}
.reading-row-meta span:first-child{color:var(--accent)}
.reading-row h2{font-size:clamp(21px,2.2vw,27px);font-weight:600;line-height:1.55;letter-spacing:-.025em;margin:11px 0 10px;overflow-wrap:anywhere}
.reading-row h2 a{display:flex;align-items:center;justify-content:space-between;gap:26px;min-height:44px}
.reading-row h2 svg{width:20px;height:20px;color:var(--faint);transition:color 150ms,transform 150ms}
.reading-row h2 a:hover{color:var(--accent)}
.reading-row h2 a:hover svg{color:var(--accent);transform:translateX(3px)}
.reading-row>p{font-size:14px;line-height:1.9;color:var(--muted);max-width:58em;overflow-wrap:anywhere}
.reading-row--series{position:relative}
.reading-row--series .reading-row-meta span:first-child{padding:3px 8px;border:1px solid var(--line);border-radius:5px}
.reading-chapter-matches{margin-top:20px;padding:14px 17px;border-left:2px solid var(--accent);background:var(--accent-soft);font-size:12px}
.reading-matches-label{display:block;color:var(--muted);font-size:11px;margin-bottom:6px}
.reading-chapter-matches a{display:block;width:fit-content;min-height:36px;padding:6px 0;color:var(--accent);line-height:1.8;overflow-wrap:anywhere}
.reading-empty{padding:52px 0;text-align:center;color:var(--muted)}
.reading-empty h2{font-size:24px;color:var(--ink);margin-bottom:14px}
.reading-empty button{margin-top:18px}
.reading-directory-footer{display:flex;justify-content:flex-end;padding-top:32px;font-size:12px;color:var(--faint)}
.reading-directory-footer a{display:inline-flex;gap:10px;align-items:center;min-height:44px}
.reading-directory-footer svg{width:14px;height:14px}
.reading-directory-footer a:hover{color:var(--accent)}
.reading-series-intro{padding-block:30px 58px}
.reading-series-label{font-size:12px;color:var(--accent)}
.reading-series-intro h1{font-size:clamp(32px,4.6vw,58px);max-width:17em;line-height:1.35;letter-spacing:-.04em;margin:14px 0 24px;overflow-wrap:anywhere}
.reading-series-intro>p{max-width:45em;font-size:16px;color:var(--muted);line-height:1.95}
.reading-series-intro>div{display:flex;align-items:center;flex-wrap:wrap;gap:25px;margin-top:30px}
.reading-course-group{display:grid;grid-template-columns:minmax(180px,260px) minmax(0,1fr);gap:64px;padding:34px 0 44px;border-top:1px solid var(--line)}
.reading-course-range{display:inline-block;color:var(--accent);font-size:12px;margin-bottom:16px}
.reading-course-group h2{font-size:28px;line-height:1.5;margin-bottom:15px}
.reading-course-group>div>p{font-size:13px;line-height:1.9;color:var(--muted);max-width:20em}
.reading-course-group ol{list-style:none;margin:0;padding:0;min-width:0}
.reading-course-group li+li{border-top:1px solid var(--line)}
.reading-course-group li>a{display:grid;grid-template-columns:25px minmax(0,1fr) 16px;align-items:start;gap:18px;min-height:80px;padding:19px 0}
.reading-chapter-number{font-size:11px;color:var(--faint);padding-top:5px}
.reading-course-group strong{display:block;color:var(--ink);font-size:18px;font-weight:500;line-height:1.7;overflow-wrap:anywhere}
.reading-course-group small{display:block;font-size:12px;line-height:1.9;color:var(--muted);margin-top:7px;overflow-wrap:anywhere}
.reading-course-group svg{width:16px;height:16px;color:var(--faint);margin-top:7px}
.reading-course-group a:hover strong,.reading-course-group a:hover svg{color:var(--accent)}
.reading-course-end{padding-block:12px 70px;color:var(--accent);font-size:13px}
.reading-course-end a{display:inline-flex;gap:12px;align-items:center;min-height:44px}
.reading-course-end svg{width:16px;height:16px}
.reading-topic-overview{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding-bottom:80px}
.reading-topic-overview>a{padding:30px 0;border-top:1px solid var(--line)}
.reading-topic-overview h2{font-size:27px;line-height:1.5}
.reading-topic-overview p{font-size:14px;color:var(--muted);line-height:1.9;margin-top:16px;max-width:30em}
.reading-topic-overview span{display:inline-flex;align-items:center;gap:10px;margin-top:22px;font-size:12px;color:var(--accent)}
.reading-topic-overview svg{width:16px;height:16px}
.reading-breadcrumb{flex-wrap:wrap}
.reading-article-header{padding-bottom:34px}
.reading-article-header h1{max-width:24em}
.reading-article-layout{grid-template-columns:200px minmax(0,740px);gap:60px}
.reading-article-layout .reading-body h2,.reading-article-layout .reading-body h3{scroll-margin-top:0}
.reading-toc{overflow:visible;max-height:none}
.reading-return{display:block;min-height:44px;margin-bottom:16px;font-size:12px;color:var(--accent);line-height:1.8}
.reading-toc>details{padding-top:14px;border-top:1px solid var(--line)}
.reading-toc nav{max-height:48dvh;overflow:auto;overscroll-behavior-y:contain;padding:10px 5px 3px 0;scrollbar-width:thin}
.reading-toc nav a{display:block;border-left:2px solid transparent;padding:8px 9px;line-height:1.7;font-size:12px;color:var(--muted);overflow-wrap:anywhere}
.reading-toc nav a:hover{color:var(--accent)}
.reading-toc nav a[aria-current=location]{color:var(--accent);border-left-color:var(--accent);background:var(--accent-soft)}
.reading-course-nav{margin-top:18px}
.reading-course-nav summary{color:var(--muted)}
.reading-series-overview{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;font-size:11px;color:var(--accent);line-height:1.8}
.reading-series-overview svg{width:14px;height:14px}
.reading-course-nav ol{list-style:none;margin:6px 0 0;padding:0;max-height:260px;overflow:auto;overscroll-behavior-y:contain;scrollbar-width:thin}
.reading-course-nav li a{display:grid;grid-template-columns:20px minmax(0,1fr);gap:8px;align-items:start;min-height:44px;padding:10px 6px;border-left:2px solid transparent}
.reading-course-nav li span{font-size:9px;color:var(--faint);padding-top:2px}
.reading-course-nav strong{font-size:11px;font-weight:400;line-height:1.8;color:var(--muted)}
.reading-course-nav a[aria-current=page]{border-left-color:var(--accent);background:var(--accent-soft)}
.reading-course-nav a[aria-current=page] strong,.reading-course-nav a:hover strong{color:var(--accent)}
.reading-archive-notice{margin-top:27px;padding:15px 18px;border:1px solid var(--line);border-radius:10px;background:var(--surface);font-size:12px;line-height:1.9;color:var(--muted)}
.reading-archive-notice>span{font-size:11px;color:var(--faint)}
.reading-archive-notice>p{margin-top:5px}
.reading-archive-notice a{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.reading-scope{margin-top:18px;color:var(--muted);font-size:12px;max-width:62em}
.reading-scope>summary{display:flex;align-items:center;gap:12px;width:fit-content;min-height:44px;cursor:pointer;list-style:none}
.reading-scope>summary::-webkit-details-marker{display:none}
.reading-scope>summary:after{content:'+';font-size:16px;color:var(--faint)}
.reading-scope[open]>summary:after{content:'−'}
.reading-scope .knowledge-caution{margin-top:3px!important}
.reading-article-header>.reading-scope-status{font-size:12px;color:var(--muted);margin-top:24px;line-height:1.8}
.reading-source summary{font-size:12px}
.reading-reference-index{border-top:1px solid var(--line);margin-top:16px;padding-top:8px}
.reading-reference-index summary{font-size:11px;min-height:44px;cursor:pointer;padding:10px 0;color:var(--muted)}
.reading-reference-index ul{list-style:none;margin:0;padding:0}
.reading-reference-index li{display:flex;gap:15px;align-items:baseline;border-top:1px solid var(--line);font-size:12px;padding:8px 0}
.reading-reference-index small{font-size:10px;color:var(--faint);white-space:nowrap}
.reading-related{display:grid;grid-template-columns:2fr 1fr;gap:70px;max-width:1020px;padding-block:42px 90px}
.reading-related>div:only-child{grid-column:1/-1}
.reading-related h2{font-size:21px;line-height:1.5;margin-bottom:16px}
.reading-related-link{display:flex;gap:18px;align-items:center;justify-content:space-between;min-height:48px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--muted)}
.reading-related-link svg{width:15px;height:15px;color:var(--faint)}
.reading-related-link:hover{color:var(--accent)}
@media(max-width:1100px){.reading-article-layout{grid-template-columns:180px minmax(0,1fr);gap:40px}.reading-course-group{gap:40px}}
@media(max-width:850px){.reading-index-intro{padding-top:38px}.reading-row h2{font-size:23px}.reading-article-layout{display:block;max-width:740px}.reading-toc{position:relative;top:auto;max-height:none;overflow:visible;padding:0;margin-bottom:30px}.reading-toc nav{max-height:340px;grid-template-columns:1fr!important}.reading-toc nav a{min-height:44px}.reading-course-nav ol{max-height:300px}.reading-course-group{grid-template-columns:1fr;gap:16px}.reading-course-group>div>p{max-width:40em}.reading-course-range{margin-bottom:8px}.reading-course-group h2{font-size:26px;margin-bottom:8px}.reading-related{grid-template-columns:1fr;gap:34px;padding-bottom:60px}.reading-series-intro{padding-top:24px}}
@media(max-width:520px){.reading-index-intro{padding-bottom:28px}.reading-index-intro h1{font-size:42px}.reading-index-intro>div>p,.reading-index-intro>p{font-size:14px}.reading-directory{padding-bottom:50px}.reading-tools{gap:8px}.reading-search{padding-inline:13px;min-height:48px}.reading-search input{font-size:13px}.reading-reset{padding-inline:12px}.reading-topics{gap:3px;margin-top:16px}.reading-topics button{padding-inline:12px;font-size:12px}.reading-results-info{font-size:10px;gap:12px}.reading-row{padding-block:24px}.reading-row h2{font-size:21px;line-height:1.6}.reading-row h2 a{gap:18px}.reading-row h2 svg{width:17px;height:17px}.reading-row>p{font-size:13px}.reading-row-meta{gap:10px;font-size:10px}.reading-topic-overview{grid-template-columns:1fr;gap:0;padding-bottom:50px}.reading-course-group li>a{gap:12px;grid-template-columns:22px minmax(0,1fr) 14px}.reading-course-group strong{font-size:17px}.reading-series-intro>p{font-size:14px}.reading-series-intro>div{gap:16px}.reading-series-intro{padding-bottom:38px}.reading-archive-notice{padding:13px 15px}}
@media(prefers-reduced-motion:reduce){.reading-row h2 svg,.reading-topics button{transition:none}}
html[data-motion=reduce] .reading-row h2 svg,html[data-motion=reduce] .reading-topics button{transition:none}

/* The archive starts with a small set of directions, then narrows within one. */
.archive-browser{margin:36px 0 24px}
.archive-browser h2{font-size:20px;line-height:1.5;margin:0 0 6px}
.archive-browser>p{font-size:13px;line-height:1.8;color:var(--muted);margin:0 0 20px}
.archive-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.archive-group{display:flex;align-items:center;justify-content:space-between;text-align:left;gap:20px;width:100%;min-height:104px;padding:20px 22px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);cursor:pointer;transition:border-color 150ms,background 150ms}
.archive-group strong,.archive-group small{display:block}
.archive-group strong{font-size:16px;font-weight:600;line-height:1.5}
.archive-group small{font-size:12px;line-height:1.7;color:var(--muted);margin-top:5px}
.archive-group-count{display:flex;align-items:center;gap:8px;white-space:nowrap;color:var(--faint);font-size:11px}
.archive-group-count svg{width:14px;height:14px}
.archive-group:hover,.archive-group[aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft)}
.archive-group[aria-pressed=true] .archive-group-count{color:var(--accent)}
.archive-sections{margin-top:20px}
.archive-section-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.archive-section-label{font-size:12px;color:var(--muted);margin-right:8px}
.archive-section-group button{min-height:40px;padding:8px 14px;border:1px solid transparent;border-radius:99px;background:transparent;color:var(--muted);font-size:12px;cursor:pointer}
.archive-section-group button span{margin-left:4px;color:var(--faint)}
.archive-section-group button:hover{color:var(--ink);background:var(--note)}
.archive-section-group button[aria-pressed=true]{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}
.reading-series-outline{margin-top:18px;font-size:13px}
.reading-series-outline>summary{display:flex;align-items:center;gap:14px;width:fit-content;min-height:44px;color:var(--accent);cursor:pointer;list-style:none}
.reading-series-outline>summary::-webkit-details-marker{display:none}
.reading-series-outline>summary:before{content:'+';font-size:17px}
.reading-series-outline[open]>summary:before{content:'−'}
.reading-series-outline>summary span{color:var(--faint);font-size:11px}
.reading-series-outline>div{padding:14px 18px 16px;border-left:2px solid var(--line);background:var(--surface)}
.reading-series-outline strong{font-size:12px;color:var(--muted);font-weight:500}
.reading-series-outline ol,.reading-series-outline ul{margin:8px 0 18px;padding-left:20px;color:var(--faint)}
.reading-series-outline li a{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;color:var(--ink);line-height:1.7}
.reading-series-outline a:hover{color:var(--accent)}
.reading-series-outline svg{width:14px;height:14px;flex:none}
.reading-series-outline>div>a{display:inline-flex;align-items:center;gap:10px;color:var(--accent);min-height:40px}
@media(max-width:640px){.archive-groups{grid-template-columns:1fr}.archive-group{min-height:86px;padding:17px 18px}.archive-browser{margin-top:28px}.reading-series-outline>div{padding-inline:14px}}
@media(prefers-reduced-motion:reduce){.archive-group{transition:none}}
html[data-motion=reduce] .archive-group{transition:none}