/* Activity Atlas: document-scrolling list with a bounded desktop guide. */
:root{color-scheme:light;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none;--ink:#1d2b28;--forest:#236b5c;--forest-deep:#174b41;--green:#236b5c;--rust:#236b5c;--muted:#52665f;--line:#d8dfd9;--paper:#fffefa;--soft:#f0f3ed;--nav-height:44px;--search-height:80px;--page:#f7f7f2;--ink-soft:#495a56;--hover:#e1eee8;--on-filled:#fff;--focus-ring:#236b5c}
*{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-top:calc(var(--nav-height) + var(--search-height) + 20px)}body{margin:0;background:var(--page);color:var(--ink);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit}button:disabled{cursor:wait}button,a,input,select,summary{touch-action:manipulation}:focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.skip-link{position:absolute;left:1rem;top:-4rem;background:var(--forest-deep);color:var(--on-filled);padding:12px;z-index:100}.skip-link:focus{top:1rem}#network-header{display:contents}.shell{max-width:1440px;margin:auto;padding-left:clamp(20px,5vw,72px);padding-right:clamp(20px,5vw,72px)}
.site-header{min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;line-height:1}.brand-mark{font:36px Georgia,serif;color:var(--forest)}.brand strong{display:block;font:600 20px Georgia,serif}.brand small{display:block;margin-top:5px;font-size:16px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}.header-note{font-size:16px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}.hero{padding-top:28px;padding-bottom:28px}.hero .eyebrow{display:none}.hero h1{margin:0;font:400 clamp(34px,4vw,52px)/1.04 Georgia,serif;letter-spacing:-.045em}.hero h1 em{color:var(--forest);font-weight:400}.hero-description{max-width:740px;margin:16px 0 6px;color:var(--ink-soft);font-size:16px}.hero-count{font-size:16px;color:var(--muted)}.section-wrap{border-top:1px solid var(--line)}.library{padding-top:28px;padding-bottom:48px}.library-top{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.eyebrow{font-size:16px;font-weight:750;letter-spacing:.17em;text-transform:uppercase;color:var(--forest);margin:0 0 8px}.library-top h2{font:400 clamp(28px,3vw,38px)/1.1 Georgia,serif;letter-spacing:-.04em;margin:0}.count{font:600 16px ui-sans-serif,sans-serif;color:var(--forest);vertical-align:super;margin-left:10px;letter-spacing:0}.tabs{display:flex;gap:3px;border-bottom:1px solid var(--line)}.tabs button{min-height:44px;padding:8px 16px;background:transparent;border:0;border-bottom:2px solid transparent;color:var(--muted);font-size:16px}.tabs button[aria-selected=true]{border-bottom-color:var(--forest);color:var(--forest);font-weight:700}
.search-toolbar{display:flex;align-items:center;gap:10px;position:sticky;top:var(--nav-height);z-index:10;background:var(--page);padding:12px 0;border-bottom:1px solid var(--line)}.search-field{flex:1;min-width:0}.search-field input{height:50px;width:100%;border:1px solid var(--line);background:var(--paper);color:var(--ink);padding:0 16px;font-size:16px;border-radius:3px}.search-field input::placeholder{color:#64756e}.search-toolbar .outline-button{min-height:50px;white-space:nowrap}.text-button{min-height:44px;padding:8px;border:0;background:transparent;color:var(--forest);font-size:16px;text-decoration:underline;text-underline-offset:3px}.filters{padding:22px;background:var(--soft);border-bottom:1px solid var(--line);scroll-margin-top:calc(var(--nav-height) + var(--search-height))}.filter-row{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.2fr;gap:14px}.field{min-width:0}.field>span{display:block;font-size:16px;font-weight:650;color:var(--muted);margin-bottom:6px}.field select{width:100%;height:44px;padding:0 8px;border:1px solid #aabbb2;border-radius:3px;background:var(--paper);color:var(--ink);font-size:16px;text-overflow:ellipsis}.filter-options{margin-top:14px;font-size:16px;color:var(--muted)}.filter-options summary{cursor:pointer;padding:5px 0}.unknown-choice{display:flex;align-items:start;gap:8px;margin-top:8px}.unknown-choice input{accent-color:var(--forest)}.filter-hint{margin:8px 0 0;font-size:16px}
.browse-layout{display:grid;grid-template-columns:minmax(275px,.85fr) minmax(0,1.3fr);gap:30px;align-items:start;padding-top:18px}.results{min-width:0}.results-header{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:8px 0 14px}.results-header h3{font-size:16px;letter-spacing:.12em;text-transform:uppercase;margin:0;color:var(--muted)}.results-header span{font-size:16px;color:var(--muted)}.result-card{width:100%;display:block;background:transparent;border:0;border-bottom:1px solid var(--line);padding:20px 15px;text-align:left;color:var(--ink);scroll-margin-top:calc(var(--nav-height) + var(--search-height) + 12px)}.result-card:hover{background:var(--soft)}.result-card[aria-current=true]{background:var(--hover);box-shadow:inset 3px 0 var(--forest)}.result-meta{display:flex;justify-content:space-between;gap:8px;color:var(--forest);font-size:16px;letter-spacing:.06em;text-transform:uppercase;font-weight:650}.result-meta>span:last-child{display:none}.result-card h4{margin:7px 0 6px;font:400 23px/1.15 Georgia,serif;letter-spacing:-.025em}.result-card p{font-size:16px;line-height:1.5;color:var(--ink-soft);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.result-foot{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.chip{display:inline-block;padding:4px 7px;background:var(--soft);color:var(--ink-soft);font-size:16px;line-height:1.3}.show-more{width:100%;min-height:46px;margin-top:20px;padding:12px;border:1px solid var(--line);background:var(--paper);color:var(--forest);font-size:16px}.empty-state{padding:45px 10px;color:var(--muted)}.empty-state strong{font:26px Georgia,serif;color:var(--ink)}.empty-state button{padding:12px 16px;background:var(--forest);color:var(--on-filled);border:0}
.detail{position:sticky;top:calc(var(--nav-height) + var(--search-height) + 18px);max-height:calc(100dvh - var(--nav-height) - var(--search-height) - 36px);overflow:auto;overscroll-behavior-y:contain;scrollbar-gutter:stable;min-width:0;background:var(--paper);border:1px solid var(--line);padding:28px clamp(22px,3vw,42px);overflow-wrap:anywhere;scroll-margin-top:calc(var(--nav-height) + var(--search-height) + 18px)}.preview-hint{margin:0 0 24px;padding-bottom:14px;border-bottom:1px solid var(--line);color:var(--muted);font-size:16px;letter-spacing:.06em}.detail-kicker{color:var(--forest);font-size:16px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin:0 0 12px}.detail h2{font:400 clamp(28px,3vw,43px)/1.08 Georgia,serif;letter-spacing:-.04em;margin:0 0 16px}.detail-summary{font-size:16px;line-height:1.55;color:var(--ink-soft);margin:0 0 18px}.detail-topline{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:20px}.detail-actions{display:flex;flex-wrap:wrap;gap:8px}.primary-button,.outline-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 14px;border:1px solid var(--forest);border-radius:3px;background:var(--forest);color:var(--on-filled);font-size:16px;font-weight:650;text-decoration:none}.outline-button{background:var(--paper);color:var(--forest)}.outline-button:hover{background:var(--hover)}.primary-button:hover{background:var(--forest-deep)}.copy-status{min-height:18px;font-size:16px;color:var(--forest);margin:8px 0}.copy-status.error{color:#9c4935}.copy-fallback{width:100%;min-height:160px;resize:vertical;padding:12px;border:1px solid var(--line);color:var(--ink);background:var(--paper)}.guide-section{margin-top:24px;padding-top:24px;border-top:1px solid var(--line)}.guide-section h3{font-size:16px;font-weight:750;letter-spacing:.12em;text-transform:uppercase;color:var(--forest);margin:0 0 14px}.guide-section p,.guide-section li{font-size:16px;line-height:1.7;color:var(--ink-soft)}.guide-section ol{counter-reset:steps;list-style:none;padding:0;margin:0}.guide-section ol li{display:grid;grid-template-columns:24px minmax(0,1fr);gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.guide-section ol li::before{counter-increment:steps;content:counter(steps,decimal-leading-zero);font-size:16px;font-weight:750;color:var(--forest);padding-top:3px}.guide-section ul{padding-left:20px;margin:0}.guide-section ul li{padding:4px 0}.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;background:var(--soft);padding:16px}.fact dt{font-size:16px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:5px}.fact dd{font-size:16px;margin:0}.timing-note,.source-note{font-size:16px!important;color:var(--muted)!important}.source-link{color:var(--forest);text-underline-offset:3px}.historical-note{padding:16px;background:var(--soft);border-left:3px solid #ad7448;font-size:16px}.related-list{display:grid;gap:8px}.related-button{background:var(--soft);border:1px solid var(--line);padding:12px;text-align:left;color:var(--forest-deep)}.related-button strong{display:block;font:19px Georgia,serif}.related-button small{display:block;font-size:16px;margin-top:5px}.detail-placeholder{text-align:center;padding:50px 0}.detail-placeholder span{font:40px Georgia,serif;color:var(--forest)}.detail-placeholder h2{font-size:25px}.detail-placeholder p{font-size:16px;color:var(--muted)}
.reader-toolbar{display:none}.guide-focused .site-header,.guide-focused .hero,.guide-focused .library-top,.guide-focused .search-toolbar,.guide-focused .filters,.guide-focused .results,.guide-focused .edition-note,.guide-focused .footer{display:none}.guide-focused .library{padding-top:0}.guide-focused .reader-toolbar{display:flex;position:sticky;top:var(--nav-height);z-index:10;align-items:center;justify-content:space-between;padding:12px 0;background:var(--page);border-bottom:1px solid var(--line);color:var(--muted);font-size:16px}.guide-focused .browse-layout{display:block;max-width:900px;margin:auto;padding-top:20px}.guide-focused .detail{position:static;max-height:none;overflow:visible;padding:36px clamp(20px,5vw,64px);scroll-margin-top:calc(var(--nav-height) + 80px)}.guide-focused .preview-hint,.guide-focused .focus-guide{display:none}.guide-focused .facts{grid-template-columns:repeat(4,minmax(0,1fr))}
.overview{border:1px solid var(--line);background:var(--paper);padding:clamp(23px,3.5vw,50px)}.overview-intro{display:flex;justify-content:space-between;align-items:end;gap:24px;border-bottom:1px solid var(--line);padding-bottom:30px}.overview-intro h3{font:400 clamp(32px,3vw,46px) Georgia,serif;letter-spacing:-.05em;margin:0}.overview-intro>p{max-width:330px;color:var(--muted);font-size:16px;line-height:1.6;margin:0}.overview-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-bottom:1px solid var(--line)}.stat{padding:28px 18px 27px 0}.stat:not(:first-child){border-left:1px solid var(--line);padding-left:25px}.stat strong{display:block;color:var(--forest);font:400 44px Georgia,serif;letter-spacing:-.05em}.stat span{font-size:16px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-weight:700}.overview-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(230px,.8fr);gap:clamp(30px,5vw,70px);padding-top:38px}.panel-heading{display:flex;justify-content:space-between;gap:15px;align-items:center}.overview-panel h4{font:400 25px Georgia,serif;letter-spacing:-.03em;margin:0 0 22px}.panel-heading span{font-size:16px;color:var(--muted);margin-bottom:22px}.category-chart{display:grid;gap:5px}.category-row{display:grid;grid-template-columns:minmax(110px,180px) minmax(0,1fr) 34px;gap:12px;align-items:center;width:100%;border:0;background:transparent;text-align:left;padding:11px 5px;color:var(--ink)}.category-row:hover{background:var(--soft)}.category-name{font-size:16px;font-weight:700}.category-track{height:11px;background:var(--soft)}.category-fill{display:block;height:100%;background:#7aa68b;min-width:3px}.category-row:first-child .category-fill{background:var(--green)}.category-num{font-size:16px;text-align:right;color:var(--muted)}.overview-note{background:var(--soft);padding:25px;align-self:start}.note-mark{font:38px Georgia,serif;color:var(--green)}.overview-note h4{margin:18px 0 10px}.overview-note p{font-size:16px;line-height:1.6;color:var(--ink-soft);margin:0 0 21px}.load-error{padding:17px;margin-bottom:20px;border:1px solid #c78265;background:#fff6ef;color:#793d2c;font-size:16px;line-height:1.5}
.relationship-panel{background:var(--soft);padding:24px;align-self:start}
.relationship-panel h4{margin-bottom:9px}
.relationship-explain{margin:0 0 19px;color:var(--ink-soft);font-size:16px;line-height:1.5}
.relationship-map{display:grid;gap:10px}
.relationship-center{border:1px solid #89aa94;background:var(--paper);padding:13px 15px;box-shadow:inset 3px 0 var(--green)}
.relationship-center small{display:block;color:var(--rust);font-size:16px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;margin-bottom:5px}
.relationship-center strong{font:400 19px/1.2 Georgia,serif;color:var(--forest-deep)}
.relationship-branches{display:grid;gap:8px;margin-left:15px;padding-left:19px;border-left:1px solid #86aa91}
.relationship-node{position:relative;display:block;width:100%;border:1px solid #c4d4c7;background:var(--paper);padding:10px 12px;text-align:left;color:var(--forest-deep)}
.relationship-node:before{content:"";position:absolute;top:50%;left:-20px;width:19px;border-top:1px solid #86aa91}
.relationship-node:hover{background:var(--soft)}
.relationship-node strong{display:block;font:400 16px/1.2 Georgia,serif}
.relationship-node small{display:block;margin-top:4px;color:var(--muted);font-size:16px;line-height:1.4}
.relationship-empty{margin:0;color:var(--muted);font-size:16px;line-height:1.5}
.overview-all{margin-top:30px}

.edition-note{padding-top:22px;padding-bottom:22px;font-size:16px;line-height:1.65;color:var(--muted)}.edition-note summary{cursor:pointer;font-weight:650}.edition-note p{max-width:850px}.footer{display:flex;justify-content:space-between;gap:20px;padding-top:22px;padding-bottom:30px;border-top:1px solid var(--line);color:var(--muted);font-size:16px}
@media(max-width:1100px){.filter-row{grid-template-columns:repeat(3,minmax(0,1fr))}.browse-layout{gap:20px;grid-template-columns:minmax(270px,.8fr) minmax(0,1.2fr)}}
@media(max-width:899px){.browse-layout{display:block}.detail{display:none}.guide-focused .detail{display:block}.hero h1{font-size:38px}.filter-row{grid-template-columns:repeat(2,minmax(0,1fr))}.filter-row .field:first-child{grid-column:1/-1}.overview-grid{display:block}.relationship-panel{margin-top:26px}.overview-intro{display:block}.overview-intro>p{margin-top:15px}.guide-focused .facts{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:550px){.shell{padding-left:18px;padding-right:18px}.header-note{display:none}.hero{padding-top:24px;padding-bottom:24px}.hero h1{font-size:35px}.library-top{gap:14px;align-items:center}.library-top .eyebrow{font-size:16px}.library-top h2{font-size:25px}.tabs button{padding:8px 10px;font-size:16px}.search-toolbar{gap:6px;padding:10px 0}.search-field input{padding:0 10px;font-size:16px;height:46px}.search-toolbar .outline-button{padding:8px 10px;min-height:46px}.search-toolbar .text-button{padding:5px;font-size:16px}.filters{padding:16px}.result-card{padding:18px 12px}.result-card h4{font-size:23px}.guide-focused .detail{padding:26px 18px}.guide-focused .reader-toolbar span{display:none}.stat{padding:20px 6px 20px 0}.stat:not(:first-child){padding-left:10px}.stat strong{font-size:30px}.stat span{font-size:16px}.category-row{grid-template-columns:minmax(80px,130px) minmax(0,1fr) 25px;gap:7px}.overview{padding:20px 14px}.footer{display:block}.footer span{display:block;margin-bottom:8px}}
@media(max-height:480px){.search-toolbar,.reader-toolbar,.guide-focused .reader-toolbar{position:static}.detail{max-height:none;position:static;overflow:visible}.kh-network{position:relative}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* Naming is progressive disclosure; the compact sticky search remains unchanged. */
.search-note{font-size:16px;color:var(--muted);margin:10px 0 0}.guide-focused .search-note{display:none}.match-reason{display:block;color:var(--forest);font-size:16px;font-weight:650;line-height:1.4;margin-top:9px}.alternate-names{font-size:16px;color:var(--forest);line-height:1.6;margin:0 0 16px}.naming-details{border:1px solid var(--line);padding:12px 14px;margin-top:18px;background:var(--soft)}.naming-details summary{cursor:pointer;font-size:16px;color:var(--forest);font-weight:650}.naming-details h3{font-size:16px;text-transform:uppercase;letter-spacing:.07em;margin:20px 0 10px}.naming-details p,.method-connection strong{font-size:16px;line-height:1.6}.naming-details .source-link{display:block;font-size:16px;margin-top:9px}.naming-note{color:var(--muted)}.topic-list{display:flex;flex-wrap:wrap;gap:7px}.topic-button{border:1px solid #9cb4a8;background:var(--paper);color:var(--forest-deep);border-radius:20px;padding:7px 11px;min-height:36px;font-size:16px}.method-connection{margin:12px 0}.method-connection p{margin:5px 0}.topic-button:hover{background:var(--hover)}

/* Shared Design Library treatment; the Activity list and bounded guide stay intact. */
.search-field input { height: 54px; padding: 0 17px; border-radius: 0; font-size: 16px; }
.search-field input::placeholder { color: var(--muted); opacity: 1; }
.search-field input:focus { border-color: var(--forest); }
.search-toolbar .outline-button { min-height: 54px; }
.field select { border-color: var(--line); border-radius: 0; font-size: 16px; }
.primary-button, .outline-button { border-radius: 0; padding: 11px 17px; font-size: 16px; font-weight: 700; line-height: 1.3; }
.text-button, .search-toolbar .text-button, .tabs button { font-size: 16px; }
.primary-button:focus-visible { box-shadow: 0 0 0 3px var(--paper); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { color-scheme: dark; --page: #17211e; --paper: #202c27; --soft: #1b2923; --ink: #f0f5ef; --ink-soft: #c6d4ca; --muted: #a4b7aa; --line: #3b5045; --forest: #93d2b4; --forest-deep: #b2dfc6; --green: #93d2b4; --rust: #93d2b4; --hover: #294a3b; --on-filled: #17211e; --focus-ring: #93d2b4; }
}
:root[data-theme="dark"] { color-scheme: dark; --page: #17211e; --paper: #202c27; --soft: #1b2923; --ink: #f0f5ef; --ink-soft: #c6d4ca; --muted: #a4b7aa; --line: #3b5045; --forest: #93d2b4; --forest-deep: #b2dfc6; --green: #93d2b4; --rust: #93d2b4; --hover: #294a3b; --on-filled: #17211e; --focus-ring: #93d2b4; }
@media (max-width: 550px) {
  .library-top { flex-wrap: wrap; }
  .search-toolbar { flex-wrap: wrap; }
  .search-field { flex-basis: 100%; }
  .search-toolbar .outline-button { min-height: 44px; }
  :root { --search-height: 130px; }
}

/* Ordinary interface text uses a 16px minimum, including browser-default small/code text. */
small, code, pre, sub, sup { font-size: 16px; }

.topic-button { min-height: 44px; }
.result-meta, .results-header, .panel-heading { flex-wrap: wrap; }

/* Full-size labels need their own line on phone overview summaries. */
@media (max-width: 550px) {
  .overview-stats { grid-template-columns: minmax(0, 1fr); }
  .stat, .stat:not(:first-child) { display: flex; align-items: baseline; gap: 16px; padding: 16px 0; border-left: 0; }
  .stat:not(:first-child) { border-top: 1px solid var(--line); }
  .stat strong { min-width: 56px; }
  .stat span { overflow-wrap: anywhere; }
}