:root{color-scheme:light;--bg:#f5f4f0;--surface:#fcfbf9;--sunk:#edebe5;--ink:#1a1b1e;--ink2:#46484e;--ink3:#65676d;--rule:#dddad2;--rule2:#c9c6bd;--accent:#315f9e;--accent-soft:#e5ecf5;--web:#287450}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){color-scheme:dark;--bg:#131417;--surface:#1a1b1f;--sunk:#0e0f11;--ink:#ecebe6;--ink2:#bdbbb5;--ink3:#97958f;--rule:#2b2c31;--rule2:#3c3d43;--accent:#a7c6f0;--accent-soft:#213149;--web:#a0d6b6}}
:root[data-theme="dark"]{color-scheme:dark;--bg:#131417;--surface:#1a1b1f;--sunk:#0e0f11;--ink:#ecebe6;--ink2:#bdbbb5;--ink3:#97958f;--rule:#2b2c31;--rule2:#3c3d43;--accent:#a7c6f0;--accent-soft:#213149;--web:#a0d6b6}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 'IBM Plex Sans',system-ui,sans-serif}button,input{font:inherit}a{color:var(--accent);text-underline-offset:3px}a:hover{color:var(--ink)}button{cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.shell{max-width:1120px;margin:auto;padding-inline:clamp(18px,3vw,40px)}.site-header{border-bottom:1px solid var(--rule);position:relative;z-index:5}.header-inner{min-height:60px;display:flex;align-items:center;gap:18px}.brand{margin-right:auto;white-space:nowrap;font:600 19px 'Source Serif 4',Georgia,serif;color:var(--ink);text-decoration:none}.brand span{margin-left:9px;font:400 14px 'IBM Plex Sans',sans-serif;color:var(--ink2)}.top-nav{display:flex;gap:18px}.top-nav a{color:var(--ink2);text-decoration:none;font-size:14px}.top-nav a:hover{text-decoration:underline}.language-menu{position:relative}.language-menu summary{list-style:none;display:flex;align-items:center;gap:9px;height:38px;padding:0 11px;border:1px solid var(--rule2);border-radius:7px;background:var(--surface);cursor:pointer;font:500 13px 'IBM Plex Mono',monospace}.language-menu summary::-webkit-details-marker{display:none}.language-menu summary span{font-size:10px}.language-options{position:absolute;right:0;top:calc(100% + 6px);width:205px;max-height:min(70vh,480px);overflow:auto;padding:6px;background:var(--surface);border:1px solid var(--rule2);border-radius:7px;box-shadow:0 14px 32px #0003}.language-options a{display:flex;justify-content:space-between;gap:10px;padding:8px 9px;color:var(--ink);text-decoration:none;border-radius:4px;font-size:14px}.language-options a:hover,.language-options a[aria-current]{background:var(--sunk)}.language-options small{font:12px 'IBM Plex Mono',monospace;color:var(--ink3)}.theme-control{display:flex;gap:2px;height:38px;margin:0;padding:3px;border:1px solid var(--rule2);border-radius:7px;background:var(--sunk)}.theme-control button{border:0;border-radius:4px;background:transparent;color:var(--ink2);padding:0 9px;font-size:13px}.theme-control button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:0 0 0 1px var(--rule2)}.site-footer{border-top:1px solid var(--rule);margin-top:60px}.footer-inner{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:18px 32px;padding-block:25px 36px;color:var(--ink3);font-size:13px}.footer-inner nav,.footer-inner>div{display:flex;flex-wrap:wrap;gap:6px 14px}.footer-inner a{color:var(--ink2);text-decoration:none}.footer-inner a:hover{text-decoration:underline}
.catalog,.detail{padding-top:clamp(28px,4vw,56px)}.intro{display:flex;justify-content:space-between;align-items:end;gap:24px;padding-bottom:30px;border-bottom:1px solid var(--rule)}h1,h2,h3,p{overflow-wrap:break-word}.intro h1,.detail h1{font-family:'Source Serif 4',Georgia,serif;font-weight:600;letter-spacing:0;line-height:1.1}.intro h1{font-size:clamp(36px,4vw,55px);margin:0}.intro p{font-size:17px;color:var(--ink2);margin:12px 0 0}.intro>a{white-space:nowrap;color:var(--ink2);font-size:14px}.catalog-layout{display:grid;grid-template-columns:212px minmax(0,1fr);gap:56px;margin-top:28px}.filters{position:sticky;top:22px;align-self:start;display:grid;gap:24px}.filter-group{display:grid;gap:2px}.filter-group h2{font:500 11px 'IBM Plex Mono',monospace;letter-spacing:.06em;text-transform:uppercase;color:var(--ink3);margin:0 0 8px 10px}.filter-group button{text-align:left;border:0;border-radius:5px;background:none;color:var(--ink2);height:36px;padding:0 10px;font-size:14px}.filter-group button:hover{background:var(--sunk)}.filter-group button[aria-pressed="true"]{background:var(--accent-soft);color:var(--ink);font-weight:600}.results{min-width:0}.search{display:flex;align-items:center;gap:10px;height:48px;padding:0 14px;border:1px solid var(--rule2);border-radius:7px;background:var(--surface)}.search>span{color:var(--ink3);font-size:24px;line-height:1}.search input{width:100%;height:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:16px}.search input::placeholder{color:var(--ink3)}.result-tools{display:flex;justify-content:space-between;align-items:center;min-height:43px;color:var(--ink3);font-size:13px}.result-tools button{border:0;background:none;color:var(--accent);text-decoration:underline;padding:5px}.year-group{margin-top:8px}.year-group>h2{font:500 13px 'IBM Plex Mono',monospace;margin:0;color:var(--ink)}.year-group>h2 small{margin-left:8px;font-size:12px;color:var(--ink3)}.paper-row{border-top:1px solid var(--rule);padding:17px 0 19px}.year-group .paper-row:first-of-type{margin-top:9px}.paper-meta{display:flex;flex-wrap:wrap;gap:6px 14px;color:var(--ink3);font:12px/1.4 'IBM Plex Mono',monospace}.paper-meta span:last-child{color:var(--web)}.paper-row h3{font:600 23px/1.25 'Source Serif 4',Georgia,serif;margin:8px 0}.paper-row h3 a{color:var(--ink);text-decoration:none}.paper-row h3 a:hover{color:var(--accent);text-decoration:underline}.authors{color:var(--ink2);margin:0}.authors strong{color:var(--ink);font-weight:600}.paper-row .authors{font-size:13px}.paper-actions{display:flex;flex-wrap:wrap;align-items:center;gap:7px 14px;margin-top:12px;font-size:13px}.paper-actions code{font:12px 'IBM Plex Mono',monospace;color:var(--ink2);overflow-wrap:anywhere}.paper-actions button{border:1px solid var(--rule2);border-radius:4px;background:var(--surface);color:var(--ink);padding:3px 8px}.paper-actions a{white-space:nowrap}.empty-results{padding:28px;border:1px dashed var(--rule2);text-align:center;color:var(--ink2)}[hidden]{display:none!important}
.breadcrumb{font-size:13px;color:var(--ink3);margin-bottom:30px}.breadcrumb a{color:var(--ink2)}.detail-grid{display:grid;grid-template-columns:minmax(0,730px) 235px;gap:clamp(30px,6vw,80px)}.article-main{min-width:0}.eyebrow{color:var(--ink3);font:12px 'IBM Plex Mono',monospace;text-transform:uppercase;margin:0 0 12px}.detail h1{font-size:clamp(35px,4.2vw,56px);margin:0 0 20px}.authors.large{font-size:15px;line-height:1.7}.detail-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:28px 0 38px}.detail-actions a,.detail-actions button{display:inline-flex;align-items:center;min-height:40px;padding:8px 13px;border:1px solid var(--rule2);border-radius:6px;background:var(--surface);color:var(--ink);text-decoration:none;font-size:14px}.detail-actions .primary-action{background:var(--accent);border-color:var(--accent);color:var(--surface);font-weight:600}.detail-actions .primary-action:hover{opacity:.86}.detail-aside{position:sticky;top:24px;align-self:start;padding-left:22px;border-left:1px solid var(--rule);font-size:13px;overflow-wrap:anywhere}.detail-aside h2{margin:0 0 5px;color:var(--ink3);font:500 11px 'IBM Plex Mono',monospace;text-transform:uppercase;letter-spacing:.06em}.detail-aside h2:not(:first-child){margin-top:25px}.detail-aside p{margin:0;color:var(--ink2)}.aside-languages{display:grid;gap:3px}.aside-languages a{padding:4px 6px;border-radius:4px;color:var(--ink2);text-decoration:none}.aside-languages a:hover,.aside-languages a[aria-current]{background:var(--accent-soft);color:var(--ink)}.language-heading{font:600 28px 'Source Serif 4',Georgia,serif;margin:0 0 16px}.language-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px}.language-grid a{display:flex;justify-content:space-between;gap:10px;padding:13px 2px;border-bottom:1px solid var(--rule);color:var(--ink);text-decoration:none}.language-grid a:hover{color:var(--accent)}.article-content{font:18px/1.75 'Source Serif 4',Georgia,serif;color:var(--ink2)}.article-content h2,.article-content h3{font-family:'Source Serif 4',Georgia,serif;color:var(--ink);line-height:1.25}.article-content h2{font-size:30px;margin:0 0 18px}.article-content h3{font-size:23px;margin:30px 0 10px}.article-content p{margin:0 0 20px}.article-content b,.article-content strong{color:var(--ink)}.article-content hr{border:0;border-top:1px solid var(--rule);margin:34px 0}.article-content .infographic{margin:32px 0}.article-content img{display:block;max-width:100%;height:auto}.article-content .infographic p{font:13px/1.5 'IBM Plex Sans',sans-serif;color:var(--ink3);margin-top:8px}.article-content .note{font-size:15px;line-height:1.65;padding-left:15px;border-left:2px solid var(--rule2)}.article-content .note p{margin:0}.back-link{display:inline-block;margin-top:32px}
@media(max-width:760px){.header-inner{gap:10px;min-height:58px}.brand span,.top-nav{display:none}.theme-control{gap:0}.theme-control button{padding:0 6px;font-size:11px}.catalog,.detail{padding-top:28px}.intro{align-items:start;flex-direction:column;gap:14px;padding-bottom:22px}.intro p{font-size:15px}.catalog-layout{grid-template-columns:1fr;gap:15px;margin-top:18px}.filters{position:static;display:flex;overflow-x:auto;gap:16px;padding-bottom:4px;scrollbar-width:thin}.filter-group{display:flex;align-items:center;flex:none;gap:5px}.filter-group h2{margin:0 3px 0 0}.filter-group button{white-space:nowrap;border:1px solid var(--rule2);border-radius:18px;height:35px;padding:0 10px;font-size:12px}.search{height:45px}.paper-row h3{font-size:22px}.detail-grid{grid-template-columns:1fr;gap:36px}.detail-aside{position:static;padding:20px 0 0;border-left:0;border-top:1px solid var(--rule)}.aside-languages{grid-template-columns:repeat(2,minmax(0,1fr))}.detail h1{font-size:clamp(32px,7vw,42px)}.article-content{font-size:17px}.article-content h2{font-size:27px}.site-footer{margin-top:44px}}
@media(max-width:390px){.brand{font-size:17px}.theme-control button{padding:0 5px}.language-menu summary{padding:0 8px}.header-inner{gap:6px}}
.intro h1{font-size:52px}.detail h1{font-size:48px}@media(max-width:760px){.intro h1,.detail h1{font-size:36px}}@media(max-width:390px){.detail h1{font-size:32px}}
.archive-note{padding:12px 15px;margin:-12px 0 30px;border-left:2px solid var(--accent);background:var(--accent-soft);color:var(--ink2);font-size:13px}
.original-title{margin:-8px 0 20px;color:var(--ink3);font:14px/1.5 'IBM Plex Sans',sans-serif}
.copy-toast{position:fixed;right:18px;bottom:18px;z-index:30;padding:10px 14px;border:1px solid var(--rule2);border-radius:6px;background:var(--surface);color:var(--ink);box-shadow:0 8px 24px #0003;font-size:14px}
.detail-actions .share-trigger{min-height:40px;padding:8px 13px;border:1px solid var(--rule2);border-radius:6px;background:var(--surface);color:var(--ink);font-size:14px}.share-dialog{width:min(520px,calc(100vw - 28px));max-height:min(90vh,750px);padding:22px 24px;border:1px solid var(--rule2);border-radius:8px;background:var(--surface);color:var(--ink);box-shadow:0 24px 60px #0005}.share-dialog::backdrop{background:#08090bb3}.share-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}.share-dialog-head h2{margin:0;font:600 25px 'Source Serif 4',Georgia,serif}.share-close{width:36px;height:36px;border:0;background:transparent;color:var(--ink2);font-size:26px;line-height:1}.share-preview{display:grid;grid-template-columns:124px minmax(0,1fr);gap:13px;align-items:center;padding:10px;border:1px solid var(--rule);border-radius:6px}.share-preview img{display:block;width:124px;height:auto;aspect-ratio:1200/630;object-fit:cover;border:1px solid var(--rule)}.share-preview strong{display:block;font:600 15px/1.3 'Source Serif 4',Georgia,serif}.share-preview small{display:block;margin-top:5px;color:var(--ink3);overflow-wrap:anywhere}.share-targets{display:grid;gap:8px;margin:20px 0;padding:0;border:0}.share-targets legend{margin-bottom:7px;color:var(--ink3);font:11px 'IBM Plex Mono',monospace;text-transform:uppercase}.share-targets label{display:flex;gap:9px;align-items:center;min-height:32px;cursor:pointer}.share-targets input{accent-color:var(--accent)}.share-link{display:flex;gap:8px;margin-top:19px}.share-link input{width:100%;min-width:0;height:42px;padding:0 10px;border:1px solid var(--rule2);border-radius:5px;background:var(--bg);color:var(--ink);font-size:13px}.share-link button{flex:none;border:0;border-radius:5px;padding:0 13px;background:var(--accent);color:var(--surface);font-weight:600}.share-channels{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;margin-top:18px}.share-channels a{padding:9px 4px;border:1px solid var(--rule2);border-radius:5px;color:var(--ink);text-align:center;text-decoration:none;font-size:13px}.share-channels a:hover{background:var(--sunk)}.share-native{margin-top:12px;border:0;background:transparent;color:var(--accent);padding:8px 0}@media(max-width:760px){.share-dialog{width:100vw;max-width:none;max-height:85vh;margin:auto 0 0;padding:16px 18px 24px;border-radius:8px 8px 0 0}.share-channels{grid-template-columns:repeat(2,minmax(0,1fr))}}