/* Adrian Basarab — personal site stylesheet (2026 redesign) */
:root{
  --bg:#F6F8FA; --surface:#FFFFFF; --ink:#18212C; --muted:#56616F;
  --rule:#D9DFE6; --accent:#0B6A86; --accent-soft:#E3F0F4;
  --serif:"Spectral", Georgia, serif; --sans:"Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#10161D; --surface:#161E27; --ink:#E6EBF0; --muted:#9AA6B3;
    --rule:#26323E; --accent:#5FC0DA; --accent-soft:#16303A;
  }
}
:root[data-theme="dark"]{
  --bg:#10161D; --surface:#161E27; --ink:#E6EBF0; --muted:#9AA6B3;
  --rule:#26323E; --accent:#5FC0DA; --accent-soft:#16303A;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--serif);font-size:1.125rem;line-height:1.65}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
@media (min-width:640px){.wrap{padding:0 32px}}

/* Navigation */
.site-nav{border-bottom:1px solid var(--rule);background:var(--surface)}
.site-nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:0 1.5rem;flex-wrap:wrap}
.brand{font-family:var(--sans);font-weight:600;font-size:.95rem;color:var(--ink);text-decoration:none;padding:1rem 0}
.site-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:0 1.4rem;font-family:var(--sans);font-size:.95rem}
.site-nav li a{display:block;padding:1rem 0;color:var(--muted);text-decoration:none;border-bottom:2px solid transparent;margin-bottom:-1px}
.site-nav li a:hover{color:var(--ink)}
.site-nav li a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--accent)}
.site-nav ul{margin-left:auto}
.nav-logos{display:flex;align-items:center;gap:14px;padding-left:1.25rem;margin-left:.25rem;border-left:1px solid var(--rule);height:34px}
.nav-logos a{display:block;line-height:0}
.nav-logos img{display:block;width:auto}
.nav-logos .lg-lyon1{height:34px}
.nav-logos .lg-ultim{height:26px}
.nav-logos .lg-creatis{height:15px}
@media (max-width:900px){.nav-logos{display:none}}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .nav-logos img:not(.lg-lyon1){filter:brightness(0) invert(1);opacity:.85}}
:root[data-theme="dark"] .nav-logos img:not(.lg-lyon1){filter:brightness(0) invert(1);opacity:.85}
@media (max-width:560px){.site-nav li a{padding:.35rem 0 .6rem}.brand{padding:.9rem 0 .2rem}}

/* Masthead with the pulse-echo line */
.masthead{padding-top:3.25rem}
.masthead h1{font-weight:500;font-size:clamp(2.5rem,7vw,4.4rem);line-height:1.02;letter-spacing:-.02em;margin:0}
.masthead.sub h1{font-size:clamp(2rem,5vw,3rem)}
.masthead .role{font-family:var(--sans);color:var(--muted);font-size:1.05rem;margin:.9rem 0 0}
.mast-row{display:flex;justify-content:space-between;align-items:flex-end;gap:1.5rem 2.5rem;flex-wrap:wrap}
.echo{display:block;width:100%;height:56px;margin:2rem 0 0;overflow:visible}
.masthead.sub .echo{height:40px;margin-top:1.5rem}
.echo path{fill:none;stroke:var(--accent);stroke-width:1.4;vector-effect:non-scaling-stroke}
.echo line{stroke:var(--rule);stroke-width:1;vector-effect:non-scaling-stroke}
@media (prefers-reduced-motion:no-preference){
  .masthead.home .echo path{stroke-dasharray:1;stroke-dashoffset:1;animation:trace 2.4s cubic-bezier(.3,.1,.2,1) .2s forwards}
  @keyframes trace{to{stroke-dashoffset:0}}
}

/* Home layout */
.layout{display:grid;gap:2.5rem;padding-top:2.5rem;padding-bottom:4rem}
@media (min-width:860px){.layout{grid-template-columns:240px 1fr;gap:4rem}}
aside{font-family:var(--sans);font-size:.95rem;line-height:1.55}
aside img{width:100%;max-width:240px;height:auto;border-radius:3px;display:block}
aside h2{font-size:.95rem;font-weight:600;margin:1.75rem 0 .4rem}
aside p{margin:0;color:var(--muted)}
aside ul{list-style:none;margin:0;padding:0}
aside li{margin:.3rem 0}
@media (min-width:860px){aside{position:sticky;top:1.5rem;align-self:start}}
@media (max-width:859px){
  aside img{max-width:140px}
}

/* Content */
.page{padding-top:2.5rem;padding-bottom:4rem}
main h2{font-weight:500;font-size:1.65rem;letter-spacing:-.01em;margin:0 0 1rem;line-height:1.25}
main h3{font-family:var(--sans);font-size:1rem;font-weight:600;margin:1.75rem 0 .5rem}
main section+section{margin-top:3rem;padding-top:2.25rem;border-top:1px solid var(--rule)}
main p, main .prose{max-width:68ch}
main p{margin:0 0 1.1rem}
.lede{font-size:1.25rem;line-height:1.55}
.topics{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.5rem 0 0;padding:0;list-style:none;font-family:var(--sans);font-size:.88rem}
.topics li{background:var(--accent-soft);color:var(--ink);padding:.3rem .7rem;border-radius:2px}

/* Dated lists: a real chronology, year column + text */
.dated{list-style:none;margin:0;padding:0;max-width:72ch}
.dated li{display:grid;grid-template-columns:7.5rem 1fr;gap:1.25rem;padding:.7rem 0;border-bottom:1px solid var(--rule)}
.dated li:last-child{border-bottom:0}
.dated .yr{font-family:var(--sans);font-size:.9rem;color:var(--muted);font-variant-numeric:tabular-nums;padding-top:.2rem}
.dated .now .yr{color:var(--accent);font-weight:600}
@media (max-width:520px){.dated li{grid-template-columns:1fr;gap:.1rem}}

/* Research contributions */
.contrib{display:grid;gap:1rem 2.5rem;padding:1.75rem 0;border-top:1px solid var(--rule);align-items:start}
.contrib:first-of-type{border-top:0;padding-top:.75rem}
@media (min-width:860px){.contrib{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr)}}
.contrib h3{margin:0 0 .5rem;font-family:var(--serif);font-size:1.3rem;font-weight:500}
.contrib p{margin:0;max-width:60ch}
.contrib figure{margin:0}
.contrib figure img,.contrib .fig-svg{display:block;width:100%;height:auto;max-height:420px;object-fit:contain;background:#fff;border:1px solid var(--rule);border-radius:3px}
.contrib .fig-svg{background:var(--surface)}
.contrib figcaption{font-family:var(--sans);font-size:.82rem;color:var(--muted);margin-top:.5rem;line-height:1.45}

/* Research interest tiles */
.ri-group{font-family:var(--sans);font-size:1rem;font-weight:600;color:var(--ink);margin:2rem 0 .75rem;padding-bottom:.4rem;border-bottom:1px solid var(--rule)}
.tiles{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem}
@media (min-width:760px){.tiles{grid-template-columns:repeat(4,minmax(0,1fr))}}
.tile{display:flex;flex-direction:column;height:100%;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--rule);border-radius:4px;overflow:hidden;transition:border-color .15s}
.tile:hover{border-color:var(--accent)}
.tile:hover .tile-title{color:var(--accent)}
.tile-fig{display:block;position:relative;aspect-ratio:16/10;overflow:hidden;background:#fff;border-bottom:1px solid var(--rule)}
.tile-fig img,.tile-fig svg{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:contain;padding:6px}
.tile-fig svg{background:var(--surface)}
.tile-title{display:block;padding:.5rem .7rem .65rem;font-family:var(--sans);font-size:.86rem;font-weight:600;line-height:1.3}
.ri-dialog{width:min(860px,calc(100% - 32px));max-height:calc(100vh - 48px);padding:1.75rem;border:1px solid var(--rule);border-radius:6px;background:var(--surface);color:var(--ink)}
.ri-dialog::backdrop{background:rgba(16,35,63,.55)}
.ri-dialog h3{font-family:var(--serif);font-size:1.5rem;font-weight:500;margin:0 2.5rem 1rem 0}
.ri-dialog figure{margin:0 0 1.1rem}
.ri-dialog figure img,.ri-dialog .fig-svg{display:block;width:100%;height:auto;max-height:55vh;object-fit:contain;background:#fff;border:1px solid var(--rule);border-radius:3px}
.ri-dialog .fig-svg{background:var(--surface)}
.ri-dialog figcaption{font-family:var(--sans);font-size:.82rem;color:var(--muted);margin-top:.5rem}
.ri-dialog p{margin:0;max-width:70ch}
.ri-dialog h4{font-family:var(--sans);font-size:.8rem;font-weight:600;color:var(--accent);margin:1.25rem 0 .35rem;letter-spacing:.02em}
.ri-refs{margin:0;padding-left:1.25rem;font-size:.95rem;line-height:1.5}
.ri-refs li{margin:.35rem 0}
.ri-refs strong{font-weight:600}
.ri-code{margin:0;padding-left:1.1rem;font-family:var(--sans);font-size:.92rem}
.ri-code li{margin:.25rem 0}
.ri-none{font-family:var(--sans);font-size:.92rem;color:var(--muted)}
.ri-close{position:absolute;top:.75rem;right:.9rem;width:2.25rem;height:2.25rem;border:0;border-radius:50%;background:transparent;color:var(--muted);font-size:1.6rem;line-height:1;cursor:pointer}
.ri-close:hover{background:var(--accent-soft);color:var(--ink)}
.ri-close:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.ri-dialog form{margin:0}

/* Latest publications */
.recent .p-title{display:block;font-weight:500}
.recent .p-title a{text-decoration:none}
.recent .p-title a:hover{text-decoration:underline}
.recent .p-auth{display:block;font-family:var(--sans);font-size:.88rem;color:var(--muted);margin-top:.2rem}
.recent .p-auth strong{color:var(--ink);font-weight:600}
.recent .p-venue{display:block;font-style:italic;font-size:.98rem;color:var(--muted)}

/* Plain lists */
.plain{margin:0;padding:0 0 0 1.1rem;max-width:72ch}
.plain li{margin:.45rem 0}
.plain li::marker{color:var(--muted)}

/* Two-column grids of short items */
.cols{columns:2 280px;column-gap:2.5rem;margin:0;padding:0;list-style:none;font-size:1.02rem}
.cols li{break-inside:avoid;padding:.35rem 0}
.cols .meta{font-family:var(--sans);font-size:.85rem;color:var(--muted);display:block}

/* Applications */
.apps{display:grid;gap:1.5rem 2.5rem;margin:0;padding:0;list-style:none}
@media (min-width:700px){.apps{grid-template-columns:1fr 1fr}}
.apps h3{margin:0 0 .25rem}
.apps p{margin:0;color:var(--muted);font-size:1rem}

/* Code downloads */
.codes{list-style:none;margin:0;padding:0;max-width:78ch}
.codes li{padding:.85rem 0;border-bottom:1px solid var(--rule);display:flex;justify-content:space-between;align-items:baseline;gap:1.5rem}
.codes li:last-child{border-bottom:0}
.codes .links{font-family:var(--sans);font-size:.88rem;white-space:nowrap;display:flex;gap:.9rem}
@media (max-width:600px){.codes li{flex-direction:column;gap:.3rem}}

/* Link row */
.linkrow{display:flex;flex-wrap:wrap;gap:.75rem;margin:0 0 1rem;padding:0;list-style:none;font-family:var(--sans);font-size:.95rem}
.linkrow a{display:inline-block;padding:.55rem .95rem;border:1px solid var(--rule);border-radius:3px;background:var(--surface);text-decoration:none}
.linkrow a:hover{border-color:var(--accent)}

/* BibBase container: keep its output readable */
#bibbase{font-size:1rem;max-width:80ch}
#bibbase a{word-break:break-word}

footer{background:#10233F;color:#fff;font-family:var(--sans);font-size:.9rem;padding:2.25rem 0}
footer p{margin:0;color:rgba(255,255,255,.75)}
footer .f-name{color:#fff;font-weight:600;font-size:1rem;margin-bottom:.2rem}
footer .f-small{font-size:.8rem;margin-top:.6rem;color:rgba(255,255,255,.55)}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:1.5rem 2rem;flex-wrap:wrap}
.footer-logos{display:flex;align-items:center;gap:22px}
.footer-logos a{display:block;line-height:0}
.footer-logos img{display:block;width:auto;filter:brightness(0) invert(1);opacity:.9}
.footer-logos img.lg-lyon1{filter:none;opacity:1}
.footer-logos .lg-lyon1{height:48px}
.footer-logos .lg-ultim{height:36px}
.footer-logos .lg-creatis{height:21px}
footer a:focus-visible{outline-color:#fff}