/* =========================================================
   DESIGN
   Change the colors here and the whole site updates.
   First block = light mode, second block = dark mode.
   ========================================================= */
:root{
  /* Light mode colors */
  --bg:#FFFFFF;          /* page background */
  --side:#F3F5F8;        /* boxes and panels */
  --ink:#1E2430;         /* main text */
  --muted:#5E6675;       /* secondary text */
  --line:#DFE3EA;        /* divider lines */
  --accent:#1F4E79;      /* main color: links, menu, buttons */
  --accent-soft:#E7EEF6; /* light version of the main color */
  --award:#8A2A2B;       /* award badges */
  --award-soft:#F6E9E9;
  --year:#B4541A;         /* years and dates (news, publications, experience, awards) */

  /* Fonts: headings and body text */
  --serif:"Source Serif 4", Georgia, "Times New Roman", serif;
  --sans:"Source Sans 3", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark){
  :root{
    /* Dark mode colors (used when the visitor's device is in dark mode) */
    --bg:#12161D;
    --side:#181D26;
    --ink:#E4E7EC;
    --muted:#9BA3B1;
    --line:#2A313D;
    --accent:#8DB7E6;
    --accent-soft:#1D2A3A;
    --award:#E79A9B;
    --award-soft:#3A2224;
    --year:#F0A06A;
    color-scheme: dark;
  }
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:76px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;
  padding-bottom:env(safe-area-inset-bottom,0px)}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}
img{max-width:100%}

/* Top bar */
header.top{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--line);
  padding-top:env(safe-area-inset-top,0px)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:21;background:var(--bg)}
.topin{max-width:1200px;margin:0 auto;padding:0 28px;display:flex;align-items:center;gap:28px;height:60px}
.brand{font-family:var(--serif);font-weight:600;font-size:20px;color:var(--ink);white-space:nowrap}
.brand:hover{text-decoration:none}
.menu-btn{display:none;margin-left:auto;align-items:center;gap:8px;border:1px solid var(--line);background:var(--bg);
  color:var(--ink);padding:7px 12px;border-radius:6px;font-size:15px;min-height:40px}
.menu-btn[aria-expanded="true"]{background:var(--accent-soft)}
nav.sections{display:flex;gap:2px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
nav.sections::-webkit-scrollbar{display:none}
nav.sections a{color:var(--muted);font-size:15.5px;padding:6px 10px;white-space:nowrap;border-bottom:2px solid transparent}
nav.sections a:hover{color:var(--ink);text-decoration:none}
nav.sections a.active{color:var(--accent);border-bottom-color:var(--accent)}

/* Layout */
.layout{max-width:1200px;margin:0 auto;padding:0 28px;display:grid;grid-template-columns:280px minmax(0,1fr);gap:56px}
aside.profile{position:sticky;top:60px;align-self:start;padding:40px 0}
main{padding:40px 0 0;min-width:0}

.photo{width:180px;height:180px;border-radius:50%;overflow:hidden;background:var(--accent-soft);
  display:grid;place-items:center;border:4px solid var(--side);box-shadow:0 0 0 1px var(--line)}
.photo img{width:100%;height:100%;object-fit:cover}
.photo .mono{font-family:var(--serif);font-size:60px;color:var(--accent)}
.profile h1{font-family:var(--serif);font-weight:600;font-size:26px;line-height:1.2;margin:20px 0 4px}
.profile .title{font-size:15.5px;color:var(--ink);margin:0 0 2px}
.profile .org{font-size:15px;color:var(--muted);margin:0}
.facts{list-style:none;padding:0;margin:22px 0 0;font-size:15px;border-top:1px solid var(--line)}
.facts li{display:flex;gap:10px;align-items:flex-start;padding:7px 0}
.facts svg{flex:none;width:16px;height:16px;margin-top:4px;color:var(--muted)}
.facts a,.facts span{overflow-wrap:anywhere}

/* Sections */
section.block{padding:0 0 56px}
h2{font-family:var(--serif);font-weight:600;font-size:28px;line-height:1.2;margin:0 0 20px;padding-bottom:10px;border-bottom:1px solid var(--line)}
h3{font-family:var(--serif);font-weight:600;font-size:20px;margin:32px 0 12px}
h3:first-child{margin-top:0}
.prose p{max-width:72ch;margin:0 0 1em}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.chips li{font-size:14.5px;padding:4px 12px;border-radius:4px;background:var(--accent-soft);color:var(--ink)}

.dated{list-style:none;margin:0;padding:0}
.dated > li{display:grid;grid-template-columns:92px 1fr;gap:18px;padding:12px 0;border-bottom:1px solid var(--line)}
.dated .when{font-size:14.5px;color:var(--muted);padding-top:1px;font-variant-numeric:tabular-nums}
.dated .what p{margin:0}
.dated .what .sub{color:var(--muted);font-size:15px;margin-top:2px}
@media (max-width:520px){.dated > li{grid-template-columns:1fr;gap:2px}}

.badge{display:inline-block;font-size:12.5px;font-weight:600;padding:1px 8px;border-radius:3px;vertical-align:2px;margin-left:6px;white-space:nowrap}
.badge.award{background:var(--award-soft);color:var(--award)}
.badge.status{background:var(--accent-soft);color:var(--accent)}
.inline-links{display:inline-flex;gap:12px;margin-left:8px;font-size:14px}

button{font:inherit;cursor:pointer}
.tab,.more-btn{border:1px solid var(--line);background:var(--bg);color:var(--ink);padding:6px 13px;border-radius:4px;font-size:15px}
.more-btn{margin-top:14px}
.tab[aria-pressed="true"]{background:var(--accent);color:var(--bg);border-color:var(--accent)}
.tab .n{opacity:.7;margin-left:4px;font-variant-numeric:tabular-nums}
.pub-tools{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:8px}
.tabs{display:flex;flex-wrap:wrap;gap:6px}
.search{flex:1 1 200px;min-width:0;border:1px solid var(--line);background:var(--bg);color:var(--ink);padding:7px 12px;border-radius:4px;font:inherit;font-size:15px}
.pub .title{font-weight:600;line-height:1.4}
.pub .authors{font-size:15px;margin-top:2px}
.pub .authors strong{font-weight:600;text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:3px}
.pub .venue{color:var(--muted);font-size:15px;font-style:italic}
.pub .note{font-style:normal;font-size:13.5px}
.empty{color:var(--muted);padding:16px 0}

.projects{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px 32px}
.project h4{font-weight:600;font-size:17px;margin:0 0 4px}
.project p{margin:0;font-size:15.5px;color:var(--muted)}
.project .status{font-size:13px;font-weight:600;color:var(--accent)}
.project.past .status{color:var(--muted)}

.cols{display:grid;grid-template-columns:1fr 1fr;gap:0 36px}
@media (max-width:640px){.cols{grid-template-columns:1fr}}
.plain{list-style:none;padding:0;margin:0}
.plain li{padding:9px 0;border-bottom:1px solid var(--line)}
.plain li .sub{display:block;color:var(--muted);font-size:14.5px}

.callout{background:var(--side);border-left:3px solid var(--accent);padding:18px 22px;border-radius:2px}
.callout p{margin:0 0 .8em;max-width:72ch}
.callout p:last-child{margin-bottom:0}

footer{border-top:1px solid var(--line);padding:22px 0 36px;color:var(--muted);font-size:14px;margin-top:8px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* Sidebar divider */
@media (min-width:901px){ aside.profile{padding-right:8px} main{border-left:1px solid var(--line);padding-left:48px} .layout{gap:40px} }

/* Mobile */
@media (max-width:900px){
  .layout{grid-template-columns:1fr;gap:0}
  aside.profile{position:static;max-height:none;padding:28px 0;border-bottom:1px solid var(--line);
    display:grid;grid-template-columns:auto 1fr;gap:0 20px;align-items:center}
  .photo{width:96px;height:96px;grid-row:span 3;border-width:3px}
  .photo .mono{font-size:34px}
  .profile h1{margin-top:0;font-size:23px}
  .facts{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:4px 18px;border-top:0;margin-top:16px}
  .facts li{padding:2px 0}
  .topin{padding:0 20px;height:56px}
  .menu-btn{display:inline-flex}
  nav.sections{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;margin:0;
    background:var(--bg);border-bottom:1px solid var(--line);padding:6px 12px 12px;box-shadow:0 12px 24px rgba(15,23,42,.12);
    max-height:calc(100vh - 56px);overflow-y:auto}
  nav.sections.open{display:flex}
  nav.sections a{padding:12px 10px;font-size:17px;border-bottom:1px solid var(--line)}
  nav.sections a:last-child{border-bottom:0}
  nav.sections a.active{border-bottom-color:var(--line);background:var(--accent-soft);border-radius:4px}
  html{scroll-padding-top:72px}
  .layout{padding:0 20px}
  main{padding-top:32px}
}
.intro{margin:-6px 0 16px;color:var(--muted)}

/* =========================================================
   JUSTIFIED TEXT
   Paragraphs are justified on tablets and computers.
   On phones the lines are too short, so justifying would
   leave big gaps between words; there the text stays
   left-aligned. Headings and titles always stay left-aligned.
   To turn justification off, delete this block.
   ========================================================= */
@media (min-width:600px){
  .prose p,
  .project p,
  .callout p,
  #news .what p,
  .dated .what .sub,
  .plain li .sub,
  .pub .authors,
  .pub .venue{
    text-align:justify;
    hyphens:auto;
    -webkit-hyphens:auto;
  }
}

/* =========================================================
   YEARS AND DATES
   Colored with --year (set at the top of this file).
   ========================================================= */
.dated .when{color:var(--year);font-weight:600}

/* =========================================================
   POLISH (October 2026)
   Small refinements. Delete any rule to undo it.
   ========================================================= */

/* 1. Comfortable line length for reading on large screens */
main > #content, main > footer{max-width:820px}

/* 2. Section headings: short accent bar under the title */
h2{position:relative}
h2::after{content:"";position:absolute;left:0;bottom:-1px;width:56px;height:3px;background:var(--accent);border-radius:2px}

/* 3. Photo: soft shadow instead of a hard ring */
.photo{border:0;box-shadow:0 8px 24px rgba(15,23,42,.12),0 0 0 1px var(--line)}

/* 4. Sidebar: slightly tighter, better aligned contact list */
.facts li{padding:5px 0}
.facts svg{color:var(--accent);opacity:.75}
.profile h1{letter-spacing:-0.01em}

/* 5. PDF, Slides and other small links as neat pill buttons */
.inline-links a{display:inline-block;font-size:12.5px;font-style:normal;font-weight:600;line-height:1.5;
  padding:1px 9px;border:1px solid var(--line);border-radius:999px;text-decoration:none}
.inline-links a:hover{background:var(--accent-soft);border-color:var(--accent-soft);text-decoration:none}

/* 6. Publication entries: a little more breathing room */
.pub{padding:16px 0 !important}
.pub .title{font-size:17.5px}

/* 7. Research projects as light cards */
.project{background:var(--side);border-radius:6px;padding:18px 20px}
.projects{gap:18px}

/* 8. Interest chips: outlined, lighter look */
.chips li{background:transparent;border:1px solid var(--line);color:var(--ink)}

/* 9. Keep narrow text (cards, author lists, short details) left-aligned:
      justifying short lines leaves big gaps between words */
.project p, .pub .authors, .pub .venue, .plain li .sub, .dated .what .sub{text-align:left}

/* 10. Topic dropdown in Publications */
.topic{border:1px solid var(--line);background:var(--bg);color:var(--ink);padding:7px 34px 7px 12px;border-radius:4px;
  font:inherit;font-size:15px;max-width:100%;cursor:pointer;-webkit-appearance:none;appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 17px) 52%,calc(100% - 12px) 52%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.topic:hover{border-color:var(--accent)}

/* 11. Menu: slightly tighter on mid-size screens so all items fit */
@media (min-width:901px) and (max-width:1120px){
  .topin{gap:16px}
  nav.sections a{padding:6px 6px;font-size:14.5px}
}
@media (min-width:901px) and (max-width:980px){
  nav.sections a{padding:6px 4px;font-size:14px}
  .brand{font-size:18px}
}

/* 12. Third-party funding list in Research */
.funding .amount{font-size:14px;font-weight:600;color:var(--accent);background:var(--accent-soft);padding:1px 8px;border-radius:999px;margin-left:6px;white-space:nowrap}

/* 13. Related publications inside project cards */
.related{margin-top:14px;border-top:1px solid var(--line);padding-top:10px}
.related summary{cursor:pointer;font-size:14.5px;font-weight:600;color:var(--accent);list-style:none;display:flex;align-items:center;gap:8px}
.related summary::-webkit-details-marker{display:none}
.related summary::before{content:"";width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(-45deg);transition:transform .15s}
.related[open] summary::before{transform:rotate(45deg)}
.related summary .n{font-weight:600;font-size:12.5px;background:var(--accent-soft);padding:0 7px;border-radius:999px}
.related ul{list-style:none;margin:10px 0 0;padding:0}
.related li{display:grid;grid-template-columns:44px 1fr;gap:8px;padding:5px 0;font-size:14.5px;line-height:1.45}
.related .ry{color:var(--year);font-weight:600;font-variant-numeric:tabular-nums}
.related .rt a{color:var(--ink)}
.related .rt a:hover{color:var(--accent)}