/* rekudashev.github.io — shared styles (matches the Luxembourg Apartment Price Atlas) */
:root{
  --ink:#1f1e1c; --muted:#66625c; --paper:#ffffff; --panel:#ffffff; --soft:#f6f3ee; --line:#e4e0d8;
  --accent:#857251; --accent-dark:#65523a; --accent-soft:rgba(133,114,81,.12);
  --shadow:0 6px 22px rgba(31,30,28,.07);
  --maxw:1080px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ink:#ece9e3; --muted:#a8a298; --paper:#161514; --panel:#1d1c1a; --soft:#22211e; --line:#34322e;
    --accent:#c9ad7f; --accent-dark:#dcc39a; --accent-soft:rgba(201,173,127,.14);
    --shadow:0 6px 22px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
    --ink:#ece9e3; --muted:#a8a298; --paper:#161514; --panel:#1d1c1a; --soft:#22211e; --line:#34322e;
    --accent:#c9ad7f; --accent-dark:#dcc39a; --accent-soft:rgba(201,173,127,.14);
    --shadow:0 6px 22px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{background:var(--paper);color:var(--ink);font-family:Lato,"Helvetica Neue",Arial,sans-serif;font-size:17px;line-height:1.6;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper)}
a{color:var(--accent-dark);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(16px,4vw,40px)}

/* header */
.site-header{border-bottom:1px solid var(--line);position:sticky;top:0;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:saturate(1.4) blur(8px);z-index:10}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:8px 24px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px}
.brand{font-weight:900;font-size:1.05rem;letter-spacing:.01em;color:var(--ink)}
.brand:hover{text-decoration:none;color:var(--accent-dark)}
.nav{display:flex;flex-wrap:wrap;gap:4px 22px;font-size:.95rem}
.nav a{color:var(--ink);padding:2px 0}
.nav a:hover{color:var(--accent-dark);text-decoration:none}
.nav a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--accent);font-weight:700}

/* type */
.kicker{margin:0 0 8px;color:var(--accent);font-size:.72rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase}
h1{margin:0 0 12px;font-size:clamp(2rem,4.4vw,3rem);line-height:1.06;font-weight:900;letter-spacing:-.01em}
h2{margin:0 0 18px;font-size:clamp(1.35rem,2.4vw,1.7rem);line-height:1.15;font-weight:700}
h3{margin:0 0 6px;font-size:1.08rem;line-height:1.3;font-weight:700}
p{margin:0 0 1em}
.lead{font-size:1.12rem;color:var(--ink)}
.muted{color:var(--muted)}
.small{font-size:.85rem}

/* hero */
.hero{padding:clamp(36px,7vw,72px) 0 clamp(28px,5vw,48px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:clamp(24px,5vw,56px);align-items:start}
.portrait{border-radius:2px;box-shadow:var(--shadow);aspect-ratio:1/1;object-fit:cover;width:100%}
.roles{margin:0 0 18px;padding:0;list-style:none;color:var(--muted);font-size:1rem}
.roles li{margin:0}
.interests{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 22px;padding:0;list-style:none}
.interests li{border:1px solid var(--line);background:var(--soft);border-radius:2px;padding:4px 10px;font-size:.82rem;font-weight:700;color:var(--ink)}
.interests li.secondary{background:transparent;color:var(--muted);font-weight:400}

/* buttons */
.actions{display:flex;flex-wrap:wrap;gap:8px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border:1px solid var(--line);border-radius:2px;font-size:.88rem;font-weight:700;color:var(--accent-dark);background:var(--panel);line-height:1.2}
.btn:hover{border-color:var(--accent);text-decoration:none}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--paper)}
.btn.primary:hover{background:var(--accent-dark);border-color:var(--accent-dark)}

/* sections */
.section{padding:clamp(28px,5vw,48px) 0;border-top:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.section-head h2{margin:0}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.card{border:1px solid var(--line);border-radius:2px;background:var(--panel);box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden}
.card-img{display:block;border-bottom:1px solid var(--line);background:var(--soft)}
.card-img img{aspect-ratio:16/10;object-fit:cover;object-position:top left;width:100%}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.card-body p{font-size:.92rem}
.card-body .actions{margin-top:auto}
.venue{font-size:.88rem;color:var(--muted);margin:0 0 10px}
.venue em{color:var(--ink);font-style:italic}

/* paper list */
.papers{list-style:none;margin:0;padding:0}
.paper{padding:18px 0;border-bottom:1px solid var(--line)}
.paper:first-child{padding-top:4px}
.paper:last-child{border-bottom:0}
.paper h3 a{color:var(--ink)}
.paper h3 a:hover{color:var(--accent-dark)}
.authors{margin:0 0 4px;font-size:.92rem;color:var(--muted)}
.status{display:inline-block;margin:0 0 8px;font-size:.88rem}
.status em{font-style:italic}
.badge{display:inline-block;margin-left:6px;padding:1px 7px;border-radius:2px;background:var(--accent-soft);color:var(--accent-dark);font-size:.68rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;vertical-align:2px}
.links{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:.88rem;font-weight:700;margin:2px 0 0}
details{margin-top:8px}
details summary{cursor:pointer;font-size:.85rem;font-weight:700;color:var(--accent-dark);list-style:none;display:inline-flex;align-items:center;gap:6px}
details summary::-webkit-details-marker{display:none}
details summary::before{content:"+";display:inline-block;width:14px;text-align:center;font-weight:900}
details[open] summary::before{content:"–"}
details p{margin:10px 0 0;font-size:.92rem;line-height:1.6;color:var(--ink);max-width:78ch}

/* two-column layout for sub pages */
.page{padding:clamp(32px,6vw,60px) 0 clamp(24px,4vw,40px)}
.cols{display:grid;grid-template-columns:200px minmax(0,1fr);gap:clamp(20px,4vw,48px)}
.cols + .cols{margin-top:clamp(24px,4vw,40px);padding-top:clamp(24px,4vw,40px);border-top:1px solid var(--line)}
.col-label{font-size:.72rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);padding-top:6px}

/* teaching table */
.rows{list-style:none;margin:0;padding:0}
.rows li{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 18px;padding:12px 0;border-bottom:1px solid var(--line)}
.rows li:first-child{padding-top:2px}
.rows li:last-child{border-bottom:0}
.rows .what{font-weight:700}
.rows .where{grid-column:1;color:var(--muted);font-size:.9rem}
.rows .when{grid-column:2;grid-row:1;color:var(--muted);font-size:.9rem;font-variant-numeric:tabular-nums;white-space:nowrap}

/* footer */
.site-footer{border-top:1px solid var(--line);margin-top:clamp(24px,5vw,48px);padding:24px 0 40px;color:var(--muted);font-size:.85rem}
.site-footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 24px}

@media (max-width:760px){
  .hero-grid{grid-template-columns:1fr}
  .hero-grid .portrait-wrap{order:-1;max-width:180px}
  .cols{grid-template-columns:1fr;gap:10px}
  .col-label{padding-top:0}
}

/* Dashboards drop-down in the site header */
.navdd{position:relative;margin:0;display:inline-block}
.navdd>summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:0;padding:2px 0;color:var(--ink);font-size:inherit;font-weight:inherit;user-select:none}
.navdd>summary::-webkit-details-marker{display:none}
.navdd>summary::before{content:none;display:none}
.navdd>summary::after{content:"";display:inline-block;width:.36em;height:.36em;margin-left:.5em;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:translateY(-.18em) rotate(45deg);transition:transform .15s}
.navdd[open]>summary::after{transform:translateY(.08em) rotate(-135deg)}
.navdd>summary:hover{color:var(--accent-dark)}
.navdd>summary.cur{box-shadow:inset 0 -2px 0 var(--accent);font-weight:700}
.navdd-menu{position:absolute;right:0;top:calc(100% + 10px);width:390px;max-width:calc(100vw - 32px);background:var(--panel);border:1px solid var(--line);border-radius:3px;box-shadow:var(--shadow);padding:6px;z-index:60;display:flex;flex-direction:column;text-align:left;line-height:1.3}
.navdd-menu a,.nav .navdd-menu a,.site-links .navdd-menu a{display:block;padding:9px 10px;border-radius:2px;color:var(--ink);font-weight:700;text-decoration:none;box-shadow:none}
.navdd-menu a:hover{background:var(--soft);color:var(--ink);text-decoration:none}
.navdd-menu a small{display:block;margin-top:2px;font-weight:400;color:var(--muted);font-size:.8rem}
.navdd-menu a[aria-current="page"]{background:var(--accent-soft);box-shadow:none}
.navdd-menu a.all{font-weight:400;font-size:.86rem;color:var(--accent-dark);border-top:1px solid var(--line);border-radius:0;margin-top:4px;padding-top:10px}
.beta{display:inline-block;margin-left:7px;padding:0 5px;border-radius:2px;background:var(--accent-soft);color:var(--accent-dark);font-size:.6rem;font-weight:900;letter-spacing:.09em;text-transform:uppercase;vertical-align:.18em;line-height:1.6}
@media (max-width:640px){
  .navdd[open]{flex-basis:100%}
  .navdd-menu{position:static;width:auto;max-width:none;margin-top:8px;box-shadow:none}
}

/* theme switch */
:root{color-scheme:light}
:root[data-theme="dark"]{color-scheme:dark}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){color-scheme:dark}}
.theme{display:inline-flex;align-items:stretch;border:1px solid var(--line);border-radius:3px;overflow:hidden;vertical-align:middle}
.theme button{width:30px;height:26px;display:grid;place-items:center;background:transparent;border:0;color:var(--muted);cursor:pointer;padding:0;font:inherit}
.theme button+button{border-left:1px solid var(--line)}
.theme button:hover{color:var(--ink);background:var(--soft)}
.theme button[aria-pressed="true"]{background:var(--accent-soft);color:var(--accent-dark)}
.theme button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.theme svg{width:15px;height:15px;display:block}
.nav{align-items:center}