/*
Theme Name: HRI Researcher
Author: HRI Researcher
Description: A dark, minimal research blog theme with a cursor-following robot-eyes hero, featured post, category filters, About template and full block editor styling.
Version: 3.0.0
Requires at least: 5.8
Requires PHP: 7.0
License: GPL-2.0-or-later
Text Domain: anyaehie-blog
*/
:root{--bg:#07080a;--text:#e6eaee;--muted:#8b949e;--accent:#5df0d4;--line:rgba(230,234,238,.14);--panel:#101318;--mono:'JetBrains Mono',ui-monospace,monospace;--pad:clamp(20px,4vw,48px)}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:300 17px/1.65 'Space Grotesk',system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}a:hover{color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
::selection{background:var(--accent);color:var(--bg)}
img{max-width:100%;height:auto;display:block}
.screen-reader-text{position:absolute;left:-9999px}
.skip-link:focus{left:16px;top:16px;background:var(--accent);color:var(--bg);padding:8px 12px;z-index:100}
.mono{font:400 12px var(--mono);text-transform:uppercase;letter-spacing:.1em}
.meta{color:var(--accent)}.muted{color:var(--muted)}
.site-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding:12px var(--pad);border-bottom:1px solid var(--line);line-height:1.2}.site-nav,.site-nav ul{margin:0;padding:0}
.site-title{font-weight:500;font-size:20px;color:var(--text)}.site-title{display:flex;align-items:center;gap:10px;letter-spacing:-.01em}.brand-eyes{display:inline-flex;gap:4px}.brand-eyes i{width:11px;height:11px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.site-nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0;font-size:15px;font-weight:400;flex-wrap:wrap}
.site-nav a{color:var(--text)}.site-nav a:hover,.site-nav .current-menu-item a{color:var(--accent)}
.hero{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(340px,100%),1fr));border-bottom:1px solid var(--line)}
.hero-copy{padding:72px var(--pad);display:flex;flex-direction:column;justify-content:space-between;gap:40px}
.hero h1{font-weight:500;font-size:clamp(44px,6.4vw,92px);line-height:.95;letter-spacing:-.04em;margin:0}
.hero p{max-width:560px;font-size:17px;margin:0}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 24px;border-radius:999px;font-weight:500;font-size:15px;background:var(--accent);color:var(--bg)}
.btn:hover{background:#fff;color:var(--bg)}
.btn-o{background:none;border:1px solid rgba(230,234,238,.4);color:var(--text);font-weight:400}.btn-o:hover{background:none;border-color:var(--accent);color:var(--accent)}
.gaze{border-left:1px solid var(--line);min-height:480px;display:flex;flex-direction:column;justify-content:space-between;background-color:#0a0c0f;background-image:linear-gradient(rgba(230,234,238,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(230,234,238,.05) 1px,transparent 1px);background-size:40px 40px}
.gaze .mono{padding:20px 24px;color:var(--accent)}.gaze-note{padding:20px 24px;border-top:1px solid var(--line);font-size:15px}
.eyes{display:flex;gap:28px;justify-content:center;padding:24px}
.eye{width:clamp(90px,14vw,160px);aspect-ratio:1/1;border-radius:50%;background:#000;border:1px solid var(--line);position:relative;overflow:hidden;box-shadow:0 0 60px rgba(93,240,212,.12)}
.pupil{position:absolute;left:29%;top:29%;width:42%;height:42%;border-radius:50%;background:var(--accent);box-shadow:0 0 28px var(--accent);transition:transform .12s ease-out}
.blog{padding:72px var(--pad) 96px}
.blog-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:24px;margin-bottom:40px}
.blog-head h1,.blog-head h2{font-weight:500;font-size:clamp(40px,5vw,64px);letter-spacing:-.03em;margin:0;line-height:1}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.pill{font:400 12px var(--mono);padding:8px 16px;border:1px solid var(--line);border-radius:999px;color:var(--text);transition:.2s}
.pill:hover,.pill.on{background:var(--accent);color:var(--bg);border-color:var(--accent)}
.featured{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));border:1px solid var(--line);margin-bottom:24px;color:var(--text);transition:border-color .2s}
.featured:hover,.card:hover{border-color:var(--accent);color:var(--text)}
.featured-img{min-height:320px;background:#0a0c0f;position:relative}.featured-img img{position:absolute;left:0;top:0;width:100%;height:100%;object-fit:cover}
.featured-body{padding:40px;display:flex;flex-direction:column;justify-content:space-between;gap:32px;border-left:1px solid var(--line)}
.featured h3{font-weight:500;font-size:clamp(28px,3vw,40px);line-height:1.1;letter-spacing:-.02em;margin:0 0 16px}
.featured p{margin:0;color:var(--muted);font-size:17px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(280px,100%),1fr));gap:24px}
.card{display:flex;flex-direction:column;justify-content:space-between;gap:48px;padding:28px;border:1px solid var(--line);min-height:240px;color:var(--text);transition:.2s}
.card:hover{background:var(--panel)}
.card h3{font-weight:500;font-size:24px;line-height:1.2;letter-spacing:-.01em;margin:0 0 12px}
.card p{margin:0;color:var(--muted);font-size:15px}
.pagination,.nav-links{margin-top:48px;display:flex;gap:8px;flex-wrap:wrap;justify-content:space-between}
.pagination .nav-links{margin:0;justify-content:flex-start}
.page-numbers{font:400 12px var(--mono);padding:8px 16px;border:1px solid var(--line);border-radius:999px;color:var(--text)}.page-numbers.current,a.page-numbers:hover{background:var(--accent);color:var(--bg)}
.entry{max-width:760px;margin:0 auto;padding:72px var(--pad) 96px}
.entry h1{font-weight:500;font-size:clamp(36px,5vw,64px);line-height:1.02;letter-spacing:-.03em;margin:16px 0 24px}
.entry-thumb{margin:0 0 40px}
.entry-content{font-size:19px;line-height:1.75}
.entry-content h2,.entry-content h3{font-weight:500;letter-spacing:-.02em;line-height:1.2;margin:2em 0 .6em}
.entry-content a{text-decoration:underline;text-underline-offset:3px}
.entry-content blockquote,.wp-block-quote{margin:2em 0;padding:0 0 0 24px;border-left:1px solid var(--accent);color:var(--muted)}
.entry-content pre,.entry-content code{font-family:var(--mono);font-size:.88em;background:var(--panel)}.entry-content pre{padding:20px;overflow:auto;border:1px solid var(--line)}
.entry-content img{border:1px solid var(--line)}.entry-content hr,.wp-block-separator{border:0;border-top:1px solid var(--line);margin:3em 0}
.entry-content table{width:100%;border-collapse:collapse;font-size:15px}.entry-content th,.entry-content td{border:1px solid var(--line);padding:10px 14px;text-align:left}
figcaption,.wp-caption-text{font:400 12px var(--mono);color:var(--muted);margin-top:8px;text-transform:uppercase;letter-spacing:.06em}
.wp-block-button__link{background:var(--accent);color:var(--bg);border-radius:999px;padding:14px 24px;font-weight:500;text-decoration:none}.wp-block-button__link:hover{background:#fff;color:var(--bg)}
.is-style-outline>.wp-block-button__link{background:none;border:1px solid rgba(230,234,238,.4);color:var(--text)}
.alignleft{float:left;margin:0 1.5em 1em 0}.alignright{float:right;margin:0 0 1em 1.5em}.aligncenter{margin-left:auto;margin-right:auto}
.entry-footer{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.author-box{margin-top:48px;padding:28px;border:1px solid var(--line)}.author-box p{margin:8px 0 0}
.related{border-top:1px solid var(--line);padding:48px var(--pad) 72px}.related h2{margin:0 0 24px}
.comments{margin-top:72px;border-top:1px solid var(--line);padding-top:32px}.comments ol{list-style:none;padding:0}.comments li{padding:20px 0;border-bottom:1px solid var(--line)}.comments .children{padding-left:24px}
input[type=text],input[type=email],input[type=url],input[type=search],textarea{width:100%;background:var(--panel);border:1px solid var(--line);color:var(--text);padding:12px 14px;font:inherit;border-radius:0}
input[type=submit],button[type=submit]{background:var(--accent);color:var(--bg);border:0;border-radius:999px;padding:12px 24px;font:500 15px 'Space Grotesk',sans-serif;cursor:pointer}
.site-footer{padding:24px var(--pad);border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--muted)}
.about{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));border-bottom:1px solid var(--line)}
.about-photo{border-right:1px solid var(--line);min-height:420px;position:relative;background:#0a0c0f}.about-photo img{position:absolute;left:0;top:0;width:100%;height:100%;object-fit:cover;object-position:center 30%}
.about-main{padding:72px var(--pad)}.about-main h1{font-weight:500;font-size:clamp(40px,5.5vw,80px);line-height:.98;letter-spacing:-.04em;margin:16px 0 32px}
.about-links{display:flex;gap:24px;flex-wrap:wrap;margin-top:28px}
.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));border-bottom:1px solid var(--line)}
.about-cell{padding:48px var(--pad)}.about-cell+.about-cell{border-left:1px solid var(--line)}.about-cell h2{margin:0 0 24px}
.about-list{list-style:none;margin:0;padding:0;font-size:24px;letter-spacing:-.01em}.about-list li{padding:14px 0;border-bottom:1px solid var(--line)}
.cv-row{display:grid;grid-template-columns:90px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.cta{background:var(--accent);color:var(--bg);padding:96px var(--pad)}.cta h2{font-weight:500;font-size:clamp(40px,7vw,104px);line-height:.95;letter-spacing:-.03em;margin:0 0 24px}.cta a{color:var(--bg);text-decoration:underline}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media(max-width:640px){.featured-body,.gaze,.about-photo,.about-cell+.about-cell{border-left:0;border-right:0}.gaze,.featured-body{border-top:1px solid var(--line)}}
.cover-fallback{position:absolute;left:0;top:0;right:0;bottom:0;display:flex;flex-direction:column;justify-content:space-between;padding:24px;background-color:#0a0c0f;background-image:linear-gradient(rgba(230,234,238,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(230,234,238,.05) 1px,transparent 1px);background-size:40px 40px}
.cover-fallback .mono{color:var(--muted)}.cover-fallback b{font-weight:500;font-size:clamp(64px,10vw,140px);line-height:.9;letter-spacing:-.05em;color:var(--accent);text-transform:uppercase}
.pill .count{opacity:.6;margin-left:4px}
.toc{border:1px solid var(--line);padding:24px 28px;margin:0 0 2.4em;background:var(--panel)}.toc ol{margin:12px 0 0;padding-left:20px;font-size:16px;line-height:1.9}.toc a{color:var(--text);text-decoration:none}.toc a:hover{color:var(--accent)}
.entry-content h2{scroll-margin-top:24px}
.progress{position:fixed;left:0;top:0;right:0;height:2px;z-index:99;background:transparent}.progress i{display:block;height:100%;width:0;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.entry-content kbd{font:400 .85em var(--mono);border:1px solid var(--line);padding:2px 6px;background:var(--panel)}
.entry-content ol,.entry-content ul{padding-left:1.4em}.entry-content li{margin:.4em 0}
.post-details{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.chip{font:400 12px var(--mono);padding:6px 12px;border:1px solid var(--line);border-radius:999px;color:var(--text)}.chip-on{border-color:var(--accent);color:var(--accent)}
.code-wrap{position:relative}.code-wrap .copy-btn{position:absolute;top:8px;right:8px}
.copy-btn{background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:999px;padding:6px 12px;cursor:pointer}.copy-btn:hover{border-color:var(--accent);color:var(--accent)}
.cite{margin-top:48px;border:1px solid var(--line);padding:0 24px}.cite summary{cursor:pointer;padding:18px 0;color:var(--accent);list-style:none}.cite summary::-webkit-details-marker{display:none}.cite summary:after{content:' +'}.cite[open] summary:after{content:' -'}
.cite-block{position:relative;padding:16px 0;border-top:1px solid var(--line)}.cite-block p,.cite-block pre{margin:8px 0 0;font-size:14px;line-height:1.6;white-space:pre-wrap;padding-right:80px}.cite-block pre{font-family:var(--mono);background:none;border:0;padding:0 80px 0 0}.cite-block .copy-btn{position:absolute;top:16px;right:0}
.header-search input{width:180px;padding:8px 14px;border-radius:999px;font-size:14px}
@media(max-width:760px){.header-search{width:100%}.header-search input{width:100%}}
@media print{.site-header,.gaze,.progress,.filters,.comments,.related,.cite summary,.copy-btn,.site-footer,.btns{display:none!important}body{background:#fff;color:#000;font-size:12pt}a{color:#000}.entry{padding:0;max-width:none}.toc{background:none}.cite{border:0;padding:0}.cite-block{display:block}}
.featured{overflow:hidden;min-width:0}.featured-body,.card{min-width:0;overflow-wrap:anywhere}
@media(max-width:640px){.featured-img{min-height:220px}.featured-body{padding:24px}.card{padding:22px;min-height:0;gap:28px}.blog{padding-left:16px;padding-right:16px}}
.lab-badge{display:flex;align-items:center;gap:12px;color:var(--accent)}.lab-badge img{width:34px;height:34px;display:block}
.footer-lab{display:inline-flex;align-items:center;gap:10px;color:var(--muted)}.footer-lab img{width:24px;height:24px}.footer-lab:hover{color:var(--accent)}
.team-head{padding:72px var(--pad) 48px;border-bottom:1px solid var(--line)}.team-head h1{font-weight:500;font-size:clamp(40px,6vw,88px);line-height:.95;letter-spacing:-.04em;margin:16px 0 0}.team-head .entry-content{max-width:720px;margin-top:24px}
.person{display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:48px;padding:56px var(--pad);border-bottom:1px solid var(--line)}
.person-photo img{width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;border:1px solid var(--line);filter:grayscale(1) contrast(1.1)}
.person-body h2{font-weight:500;font-size:clamp(32px,4vw,52px);line-height:1;letter-spacing:-.03em;margin:12px 0 10px}
.person-bio{max-width:760px;margin-top:24px}.person-bio p{margin:0 0 1.1em;font-size:17px;line-height:1.75}
@media(max-width:760px){.person{grid-template-columns:1fr;gap:24px}.person-photo{max-width:240px}}
.topic-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.topic{padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.topic h3{font-weight:500;font-size:24px;letter-spacing:-.01em;margin:0 0 10px}.topic p{margin:0;font-size:15px}
.about-photo img{object-position:60% 40%}

.header-tools{display:flex;align-items:center;gap:10px}.header-search{position:relative}
.live-results{position:absolute;right:0;top:calc(100% + 6px);width:min(360px,90vw);list-style:none;margin:0;padding:6px 0;background:var(--bg);border:1px solid var(--line);z-index:50}
.live-results li a{display:block;padding:10px 14px;color:var(--text);font-size:14px;line-height:1.35}.live-results li a:hover{background:var(--panel);color:var(--accent)}.live-results .empty{padding:10px 14px;color:var(--muted);font-size:14px}
.theme-toggle{background:none;border:1px solid var(--line);color:var(--text);border-radius:999px;padding:8px 14px;cursor:pointer}.theme-toggle:hover{border-color:var(--accent);color:var(--accent)}
.series{border:1px solid var(--line);padding:20px 24px;margin-top:32px}.series ol{margin:12px 0 0;padding-left:20px;font-size:16px;line-height:1.8}.series li.on{color:var(--accent)}.series a{color:var(--text)}.series a:hover{color:var(--accent)}
.after-post{margin-top:48px;padding:28px;border:1px solid var(--accent)}.after-post p{margin:8px 0 20px}
.path{padding:40px var(--pad);border-bottom:1px solid var(--line)}.path-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:16px}.path-head h2{font-weight:500;font-size:36px;letter-spacing:-.02em;margin:0}
.path-list{list-style:none;counter-reset:p;margin:0;padding:0}.path-list li{counter-increment:p;border-top:1px solid var(--line)}
.path-list a{display:grid;grid-template-columns:48px minmax(0,1fr);gap:4px 16px;padding:18px 0;color:var(--text)}.path-list a:before{content:counter(p,decimal-leading-zero);grid-row:span 2;font:400 13px var(--mono);color:var(--accent);padding-top:6px}.path-list a:hover .path-title{color:var(--accent)}
.path-title{font-size:21px;font-weight:400;line-height:1.3}
.pub{display:grid;grid-template-columns:80px minmax(0,1fr);gap:24px;padding:28px 0;border-top:1px solid var(--line)}.pub h2{font-weight:500;font-size:26px;line-height:1.2;margin:0 0 8px}.pub h2 a{color:var(--text)}.pub p{margin:0}.pub .cite{margin-top:16px}
.glossary{margin:0;border-top:1px solid var(--line)}.g-row{display:grid;grid-template-columns:minmax(0,240px) minmax(0,1fr);gap:24px;padding:20px 0;border-bottom:1px solid var(--line)}.g-row dt{font-weight:500;font-size:20px}.g-row dd{margin:0}
@media(max-width:640px){.g-row,.pub{grid-template-columns:1fr;gap:6px}}
.is-style-steps{list-style:none;counter-reset:s;padding-left:0!important}.is-style-steps>li{counter-increment:s;position:relative;padding:16px 0 16px 56px;margin:0;border-top:1px solid var(--line)}.is-style-steps>li:before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:18px;font:400 13px var(--mono);color:var(--accent)}
.is-style-needs{background:var(--panel);border:1px solid var(--line);padding:20px 24px}.is-style-warning{border:1px solid #f0b45d;padding:20px 24px}.is-style-warning h4{color:#f0b45d}.is-style-note{border-left:2px solid var(--accent);padding:4px 0 4px 20px}
.is-style-needs h4,.is-style-warning h4{margin:0 0 8px;font:400 12px var(--mono);text-transform:uppercase;letter-spacing:.1em}.is-style-needs h4{color:var(--accent)}
.gaze{color:#e6eaee}
html[data-theme=light]{--bg:#f6f7f8;--text:#111418;--muted:#5a636e;--accent:#0a8a74;--line:rgba(17,20,24,.14);--panel:#eceff2}
html[data-theme=light] a:hover{color:var(--text)}
html[data-theme=light] .btn{color:#fff}html[data-theme=light] .btn:hover{background:var(--text);color:var(--bg)}html[data-theme=light] .btn-o{color:var(--text)}html[data-theme=light] .btn-o:hover{background:none;color:var(--accent)}
html[data-theme=light] .featured-img,html[data-theme=light] .about-photo{background:var(--panel)}
html[data-theme=light] .cover-fallback{background-color:var(--panel);background-image:linear-gradient(rgba(17,20,24,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(17,20,24,.06) 1px,transparent 1px)}
html[data-theme=light] .cta{color:#fff}html[data-theme=light] .cta a{color:#fff}
html[data-theme=light] .is-style-warning{border-color:#b9770e}html[data-theme=light] .is-style-warning h4{color:#9a630b}
html[data-theme=light] .pill:hover,html[data-theme=light] .pill.on,html[data-theme=light] .page-numbers.current{color:#fff}