:root { color-scheme:light; --navy:#061b32; --navy-deep:#041426; --paper:#f7f3eb; --paper-deep:#efe9dd; --ink:#182b42; --muted:#596572; --line:rgba(24,43,66,.16); --teal:#177f83; --blue:#2f5e9e; --violet:#625895; --amber:#aa7637; --serif:"Source Serif 4",Georgia,serif; --sans:"DM Sans",Arial,sans-serif; --content:1260px; }
html[data-theme="dark"] { color-scheme:dark; --navy:#030c18; --navy-deep:#020811; --paper:#101b28; --paper-deep:#172635; --ink:#f5f0e6; --muted:#bdc7cd; --line:rgba(245,240,230,.2); --teal:#75d0cf; --blue:#9ebcf0; --violet:#c4bde9; --amber:#e2b16e; }
* { box-sizing:border-box; } [hidden] { display:none !important; } html { scroll-behavior:smooth; } body { margin:0; background:var(--paper); color:var(--ink); font:14px/1.5 var(--sans); } body.larger-type { font-size:16px; } body.high-contrast { --line:currentColor; --muted:var(--ink); } a { color:inherit; } button { font:inherit; } :focus-visible { outline:3px solid var(--amber); outline-offset:3px; } .sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; } .skip-link { position:fixed; z-index:60; top:-4rem; left:1rem; padding:.65rem 1rem; background:var(--amber); color:#111; } .skip-link:focus { top:1rem; }
.page-shell { display:grid; grid-template-columns:224px minmax(0,1fr); min-height:100vh; } .sidebar { position:sticky; top:0; display:flex; flex-direction:column; height:100vh; padding:2rem 1rem 1rem; background:linear-gradient(160deg,var(--navy),var(--navy-deep)); color:#f8f4ea; } .sidebar-brand { display:grid; justify-items:center; gap:.18rem; padding:.25rem 0 2rem; text-align:center; text-decoration:none; } .brand-mark { display:grid; place-items:center; width:42px; height:42px; margin-bottom:.55rem; border:1px solid rgba(255,255,255,.34); border-radius:50%; } .brand-mark img { width:32px; height:32px; } .sidebar-brand strong { font:500 1.55rem var(--serif); } .sidebar-brand em { color:#d8b284; font:italic .78rem var(--serif); } .sidebar-brand small { margin-top:1rem; color:rgba(255,255,255,.85); font:italic .83rem var(--serif); }
.site-nav { display:grid; gap:.18rem; } .site-nav a { display:flex; align-items:center; gap:.72rem; padding:.7rem .75rem; border-radius:4px; color:rgba(255,255,255,.84); text-decoration:none; } .site-nav a:hover,.site-nav a.active { background:linear-gradient(90deg,rgba(64,125,202,.55),rgba(64,125,202,.12)); color:#fff; } .site-nav svg { width:18px; height:18px; flex:none; } .sidebar-footer { margin-top:auto; padding:1.25rem .75rem 0; border-top:1px solid rgba(255,255,255,.22); color:rgba(255,255,255,.72); font-size:.67rem; } .sidebar-footer p { margin:.35rem 0; } .sidebar-footer .sidebar-role { margin:0; color:#fff; } .sidebar-contact { display:grid; gap:.25rem; margin-top:.55rem; } .sidebar-contact p { margin:0; } .sidebar-footer a { display:block; color:inherit; text-decoration:none; } .sidebar-footer a:hover { text-decoration:underline; } .sidebar-preferences { display:flex; gap:.6rem; margin-top:1.2rem; } .sidebar-preferences button { border:0; color:#fff; background:transparent; cursor:pointer; } .sidebar-preferences .theme-toggle { font-size:1.2rem; }.sidebar-preferences .type-toggle { font-size:.8rem; }
.mobile-header { display:none; } .main-content { min-width:0; padding:0 clamp(1.25rem,4vw,4rem) 4rem; } .topbar { display:flex; align-items:center; justify-content:space-between; max-width:var(--content); min-height:76px; margin-inline:auto; border-bottom:1px solid var(--line); } .breadcrumb { color:var(--muted); font-size:.78rem; } .breadcrumb span { color:var(--ink); } .topbar-actions { display:flex; align-items:center; gap:.45rem; } .top-control,.topbar-actions button { min-height:38px; padding:.45rem .75rem; border:1px solid var(--line); border-radius:7px; color:inherit; background:transparent; cursor:pointer; } .top-control:hover,.topbar-actions button:hover { background:var(--paper-deep); } .topbar-actions .preferences-button { font-size:1.15rem; } .pending-control { opacity:.62; cursor:not-allowed!important; }
.research-intro { max-width:var(--content); margin:0 auto; padding:2.5rem 1.1rem 1.35rem; } .eyebrow { margin:0 0 .35rem; color:var(--muted); font-size:.66rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; } .research-intro h1 { margin:0 0 .55rem; font:500 clamp(2.35rem,4vw,3.3rem)/1.05 var(--serif); letter-spacing:-.04em; } .research-intro > p:not(.eyebrow) { max-width:650px; margin:0 0 1rem; color:var(--muted); font:1rem/1.55 var(--serif); } .map-link { display:inline-flex; align-items:center; justify-content:space-between; gap:2.5rem; padding:.45rem .75rem; border:1px solid var(--line); border-radius:5px; color:var(--ink); font-size:.76rem; text-decoration:none; } .map-link:hover { background:var(--paper-deep); } .map-link span { font-size:1.2rem; }
.research-map { max-width:var(--content); margin:0 auto 1.25rem; padding:0 1.1rem; } .research-map svg { display:block; width:100%; min-height:330px; padding:1.5rem; border:1px solid var(--line); background-color:color-mix(in srgb,var(--paper) 88%,transparent); background-image:linear-gradient(rgba(24,43,66,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(24,43,66,.045) 1px,transparent 1px); background-size:28px 28px; } html[data-theme="dark"] .research-map svg { background-image:linear-gradient(rgba(245,240,230,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(245,240,230,.045) 1px,transparent 1px); } .map-line { fill:none; stroke:var(--line); stroke-width:2; stroke-dasharray:6 7; } .map-node { fill:var(--paper); stroke-width:4; } .node-teal { stroke:var(--teal); }.node-blue { stroke:var(--blue); }.node-amber { stroke:var(--amber); }.node-violet { stroke:var(--violet); }.map-core { fill:color-mix(in srgb,var(--paper) 86%,var(--amber)); stroke:var(--amber); stroke-width:1.5; }.map-core-title { fill:var(--ink); font:600 15px var(--serif); letter-spacing:.08em; }.map-label { font:600 16px var(--serif); }.map-label-teal { fill:var(--teal); }.map-label-blue { fill:var(--blue); }.map-label-amber { fill:var(--amber); }.map-label-violet { fill:var(--violet); }.map-note { fill:var(--muted); font:12px var(--serif); }
.content-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1.2rem; max-width:var(--content); margin:0 auto; padding:0 1.1rem; } .panel { min-width:0; padding:1.2rem; border:1px solid var(--line); background:color-mix(in srgb,var(--paper) 86%,transparent); box-shadow:0 .3rem 1.1rem rgba(16,36,58,.05); } .panel-heading { display:flex; align-items:baseline; justify-content:space-between; gap:1rem; padding-bottom:.85rem; border-bottom:1px solid var(--line); } .panel-heading h2 { margin:0; font:500 1.55rem/1.1 var(--serif); letter-spacing:-.025em; } .panel-heading a,.panel-footer-link { color:var(--blue); font-size:.66rem; text-decoration:none; white-space:nowrap; } .panel-heading a:hover,.panel-footer-link:hover { text-decoration:underline; } .publication-list,.repository-list { display:grid; } .publication-row,.repository-row { display:grid; align-items:center; gap:.7rem; padding:.75rem 0; border-bottom:1px solid var(--line); text-decoration:none; } .publication-row { grid-template-columns:42px minmax(0,1fr) auto; } .publication-row:hover,.repository-row:hover { background:var(--paper-deep); } .publication-year { color:var(--muted); font-size:.68rem; } .publication-row strong,.repository-row strong { display:block; font:500 .78rem/1.28 var(--serif); } .publication-row small,.repository-row small { display:block; margin-top:.18rem; color:var(--muted); font-size:.64rem; line-height:1.3; } .publication-row > b,.repository-row > b { color:var(--muted); font-size:.58rem; font-weight:500; } .panel-footer-link { display:inline-block; margin-top:1rem; }.repository-row { grid-template-columns:36px minmax(0,1fr) auto; } .repo-icon { display:grid; place-items:center; width:32px; height:32px; border-radius:5px; color:#fff; font-size:1.15rem; } .teal-icon { background:#157d83; }.blue-icon { background:#24508d; }.violet-icon { background:#5e4c88; }.amber-icon { background:#91613b; } .repository-row em { display:inline-block; margin-top:.35rem; padding:.12rem .3rem; border-radius:3px; color:var(--navy); background:var(--paper-deep); font-size:.56rem; font-style:normal; }
.panel-button { display:flex; justify-content:center; margin-top:1rem; padding:.5rem; border-radius:4px; color:#fff; background:var(--navy); font-size:.7rem; text-decoration:none; }.panel-button:hover { background:var(--blue); }.panel-button span { margin-left:.4rem; font-size:1rem; }
.mobile-bottom-nav { display:none; } .dialog-backdrop { position:fixed; inset:0; z-index:50; display:grid; justify-content:end; align-content:start; padding:76px max(1rem,calc((100vw - var(--content))/2)); background:rgba(1,12,24,.35); }.dialog-backdrop[hidden] { display:none; }.preferences-dialog { width:320px; padding:1.35rem; color:var(--ink); background:var(--paper); box-shadow:0 1rem 2.5rem rgba(0,0,0,.22); }.dialog-header { display:flex; justify-content:space-between; gap:1rem; }.preferences-dialog h2 { margin:0; font:500 1.45rem var(--serif); }.dialog-close { border:0; color:inherit; background:transparent; font-size:1.5rem; cursor:pointer; } fieldset { display:grid; gap:.45rem; margin:1.1rem 0 0; padding:0; border:0; } legend { margin-bottom:.25rem; color:var(--muted); font-size:.67rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; } fieldset label { font-size:.83rem; cursor:pointer; } input { accent-color:var(--teal); }.dialog-note { color:var(--muted); font-size:.68rem; }
@media(max-width:860px) { body { padding-bottom:4.3rem; }.page-shell { display:block; }.sidebar { display:contents; }.sidebar-brand,.sidebar-footer { display:none; }.mobile-header { position:sticky; top:0; z-index:30; display:grid; grid-template-columns:42px 1fr auto; align-items:center; min-height:60px; padding:0 .8rem; background:var(--navy); color:#f8f4ea; }.mobile-brand { display:flex; align-items:center; justify-content:center; gap:.45rem; color:inherit; font:500 1.15rem var(--serif); text-decoration:none; }.mobile-brand img { width:26px; height:26px; }.menu-toggle { border:0; color:inherit; background:transparent; cursor:pointer; }.menu-icon { font-size:1.2rem; }.mobile-header-actions { display:flex; align-items:center; }.mobile-header-actions .top-control { min-height:40px; border-color:transparent; color:inherit; }.site-nav { position:fixed; inset:60px 0 auto; z-index:29; display:none; padding:.6rem 1rem 1rem; background:var(--navy); box-shadow:0 .8rem 1.5rem rgba(0,0,0,.2); }.site-nav[data-open="true"] { display:grid; }.site-nav a { padding:.65rem .8rem; }.main-content { padding:0 .8rem 2rem; }.topbar { min-height:58px; }.breadcrumb { font-size:.68rem; }.topbar-actions .search-control,.topbar-actions .type-toggle { display:none; }.research-intro { padding:2rem .35rem 1rem; }.research-intro h1 { font-size:2.35rem; }.research-intro > p:not(.eyebrow) { font-size:.92rem; }.research-map { padding:0 .35rem; }.research-map svg { min-height:250px; padding:.3rem; }.map-label { font-size:16px; }.map-note { font-size:11px; }.map-core-title { font-size:13px; }.content-grid { display:block; padding:0 .35rem; }.panel { margin-top:1rem; padding:1rem; }.panel-heading h2 { font-size:1.3rem; }.publication-row,.repository-row { gap:.45rem; }.publication-row { grid-template-columns:36px minmax(0,1fr) auto; }.publication-row strong,.repository-row strong { font-size:.75rem; }.publication-row small,.repository-row small { font-size:.6rem; }.publication-row > b,.repository-row > b { display:none; }.mobile-bottom-nav { position:fixed; right:0; bottom:0; left:0; z-index:35; display:grid; grid-template-columns:repeat(5,1fr); min-height:4.1rem; border-top:1px solid rgba(255,255,255,.16); background:var(--navy); color:#f7f3eb; box-shadow:0 -.5rem 1rem rgba(0,0,0,.12); }.mobile-bottom-nav a { display:grid; place-items:center; align-content:center; gap:.15rem; min-width:0; padding:.32rem .1rem; color:inherit; font-size:.56rem; text-decoration:none; }.mobile-bottom-nav a.active { color:#8ad7d2; }.mobile-bottom-nav svg { width:19px; height:19px; }.dialog-backdrop { align-content:end; padding:0; }.preferences-dialog { width:100%; } }
@media(min-width:861px) and (max-width:1100px) { .page-shell { grid-template-columns:190px minmax(0,1fr); }.sidebar-brand strong { font-size:1.3rem; }.site-nav a { font-size:.82rem; }.content-grid { grid-template-columns:1fr; max-width:850px; } }
@media(prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } *,*::before,*::after { transition-duration:.01ms!important; animation-duration:.01ms!important; } }

/* Shared mobile navigation: one primary menu with collapsible page sections. */
body { padding-bottom:0; }
.mobile-bottom-nav { display:none !important; }
.site-nav-main { display:grid; gap:.1rem; }
.nav-section { display:none; }
.nav-section summary { list-style:none; cursor:pointer; }
.nav-section summary::-webkit-details-marker { display:none; }
.nav-section summary::after { content:"⌄"; float:right; transition:transform .18s; }
.nav-section:not([open]) summary::after { transform:rotate(-90deg); }
.nav-section-links { display:grid; gap:.1rem; margin:.15rem 0 .35rem .8rem; padding-left:.7rem; border-left:1px solid rgba(255,255,255,.22); }
.nav-section-links a { font-size:.9em; }
@media(max-width:860px) {
  .site-nav { max-height:calc(100vh - 60px); overflow-y:auto; }
  .nav-section { display:block; margin-top:.35rem; padding-top:.35rem; border-top:1px solid rgba(255,255,255,.16); }
  .nav-section summary { padding:.65rem .8rem; color:rgba(255,255,255,.88); font-size:.78rem; font-weight:600; letter-spacing:.04em; text-transform:uppercase; }
  .nav-section-links a { padding:.5rem .65rem; color:rgba(255,255,255,.78); font-size:.78rem; }
}

/* The current page owns its subsection disclosure; keep it directly below that item. */
.site-nav-main > .nav-section { display:block; margin:0; padding:0; border:0; }
.site-nav-main > .nav-section summary { display:flex; align-items:center; gap:.72rem; padding:.7rem .75rem; border-radius:4px; color:rgba(255,255,255,.84); font-size:inherit; font-weight:inherit; letter-spacing:normal; text-transform:none; cursor:pointer; list-style:none; }
.site-nav-main > .nav-section summary.active { background:linear-gradient(90deg,rgba(64,125,202,.55),rgba(64,125,202,.12)); color:#fff; }
.site-nav-main > .nav-section summary::-webkit-details-marker { display:none; }
.site-nav-main > .nav-section summary svg { width:18px; height:18px; flex:none; }
.site-nav-main > .nav-section summary::after { content:"⌄"; margin-left:auto; transform:none; }
.site-nav-main > .nav-section:not([open]) summary::after { transform:rotate(-90deg); }
.site-nav-main > .nav-section .nav-section-links { display:grid; margin:.15rem 0 .35rem 1.45rem; padding-left:.7rem; border-left:1px solid rgba(255,255,255,.22); }
@media(min-width:861px) {
  .site-nav-main > .nav-section .nav-section-links { display:none; }
}

/* Photo 2 editorial flourishes */
body { background:#eeece6; }
.page-shell { max-width:1260px; margin:14px auto; min-height:calc(100vh - 28px); border:1px solid rgba(24,43,66,.25); box-shadow:0 .35rem 1.2rem rgba(16,36,58,.15); }
.sidebar { height:calc(100vh - 28px); }
.sidebar-orbit { position:relative; display:block; width:60px; height:60px; margin-top:.35rem; border:1px solid rgba(216,178,132,.75); border-radius:50%; }
.sidebar-orbit::before,.sidebar-orbit::after { content:""; position:absolute; inset:9px; border:1px solid rgba(216,178,132,.65); border-radius:50%; transform:rotate(55deg) scaleX(.58); }
.sidebar-orbit::after { transform:rotate(-55deg) scaleX(.58); }
.sidebar-orbit i { position:absolute; z-index:1; width:5px; height:5px; border-radius:50%; background:#d8b284; }
.sidebar-orbit i:nth-child(1) { top:5px; left:27px; }.sidebar-orbit i:nth-child(2) { right:7px; bottom:12px; }.sidebar-orbit i:nth-child(3) { bottom:5px; left:27px; }
.map-equation { fill:var(--muted); font:italic 12px var(--serif); }
.research-map svg { box-shadow:inset 0 0 0 1px rgba(255,255,255,.35); }
.panel { position:relative; overflow:hidden; }
.panel::before { content:""; position:absolute; top:1.2rem; bottom:1.2rem; left:11px; width:2px; background:var(--violet); opacity:.7; }
#computation.panel::before { background:var(--teal); }
.publication-row > b,.repository-row > b { padding:.12rem .32rem; border:1px solid var(--line); border-radius:3px; background:var(--paper-deep); }
.repository-row em { border:1px solid var(--line); }
.preferences-dialog { width:236px; padding:1rem 1.1rem; }
.preferences-dialog fieldset { gap:0; }
.preferences-dialog fieldset label { display:flex; align-items:center; gap:.45rem; min-height:29px; }
.preferences-dialog fieldset label::before { min-width:20px; color:var(--muted); font-size:.95rem; text-align:center; }
.preferences-dialog fieldset:first-of-type label:nth-of-type(1)::before { content:"☼"; }.preferences-dialog fieldset:first-of-type label:nth-of-type(2)::before { content:"◔"; }.preferences-dialog fieldset:first-of-type label:nth-of-type(3)::before { content:"▱"; }
.preferences-dialog fieldset:nth-of-type(2) label:nth-of-type(1)::before { content:"Aa"; font-size:.75rem; }.preferences-dialog fieldset:nth-of-type(2) label:nth-of-type(2)::before { content:"≋"; }.preferences-dialog fieldset:nth-of-type(2) label:nth-of-type(3)::before { content:"◐"; }
.preferences-dialog input { margin-left:auto; }
.preferences-dialog input[type="checkbox"] { appearance:none; position:relative; width:28px; height:16px; margin-right:0; border:1px solid var(--line); border-radius:9px; background:var(--line); cursor:pointer; }
.preferences-dialog input[type="checkbox"]::before { content:""; position:absolute; top:2px; left:2px; width:10px; height:10px; border-radius:50%; background:var(--paper); transition:transform .16s; }
.preferences-dialog input[type="checkbox"]:checked { background:var(--teal); }.preferences-dialog input[type="checkbox"]:checked::before { transform:translateX(12px); }
@media(max-width:860px) { body { background:var(--paper); }.page-shell { max-width:none; min-height:100vh; margin:0; border:0; box-shadow:none; }.sidebar { height:auto; }.topbar { display:none; }.research-map { display:none; }.map-link { display:flex; width:100%; }.panel::before { top:1rem; bottom:1rem; left:9px; }.preferences-dialog { width:100%; } }

.intro-links { display:flex; flex-wrap:wrap; gap:.55rem; }
.context-panel { max-width:var(--content); margin:0 auto 1.2rem; }
.context-panel p { color:var(--muted); font: .88rem/1.55 var(--serif); }
.context-columns { display:grid; grid-template-columns:minmax(0,1.2fr) minmax(0,1fr); gap:1.3rem; }
.context-label { margin-top:0 !important; color:var(--ink) !important; font-weight:600; }
.context-list { display:grid; gap:.7rem; margin:1rem 0 0; padding:0; list-style:none; }
.context-list li { display:grid; gap:.15rem; padding-bottom:.65rem; border-bottom:1px solid var(--line); }
.context-list strong { display:block; color:var(--ink); font:500 .82rem var(--serif); }
.context-list span { display:block; color:var(--muted); font-size:.68rem; line-height:1.4; }
.context-grid { margin-bottom:1.2rem; }
.context-panel-small { min-width:0; }
.context-panel-small p { margin:.85rem 0 0; }
.context-wide { grid-column:1 / -1; }
@media(max-width:860px) { .context-columns { display:block; }.context-columns > div + div { margin-top:1rem; }.context-wide { grid-column:auto; } }