/* Hallmark · macrostructure: bespoke "Drawing Sheet" · tone: technical-editorial · anchor hue: KNU Blue 255°
 * theme: custom (vibe: "설계도면 위의 연구실 — drafting paper & cyanotype" ·
 * paper oklch(97.8% 0.005 250) · accent oklch(66% 0.19 41) orange ·
 * display IBM Plex Sans KR · body Pretendard · mono IBM Plex Mono ·
 * axes: light-paper / grotesk-display / warm-accent · studied: no)
 * Composite AI Lab — home. Light = 제도용지, Dark = 청사진(cyanotype).
 * Pre-emit critique: P5 H4 E4 S5 R4 V5
 */

/* ===================== tokens ===================== */
:root{
  /* KNU CI — 근사값. 공식 규정집 확보 시 아래 두 값만 교체 */
  --color-blue:#0B4DA2;        /* KNU Blue */
  --color-ci-orange:#F37021;   /* KNU Orange — 로고 '+' 전용 */
  /* 화이트 + 블루 단색 체계(사용자 요청) — 액센트를 블루로 통일 */
  --color-orange:#0B4DA2;
  --color-navy:#06337A;
  --color-bright:#1E76C8;
  --color-orange-text:#0B4DA2;

  --color-paper:#FFFFFF;
  --color-paper-2:#F4F7FB;
  --color-ink:#13233E;
  --color-muted:#5A6B85;
  --color-frame:#16294B;
  --color-line:#CBD7E7;
  --color-line-strong:#93A9C8;
  --color-grid:rgba(11,77,162,.07);
  --color-grid-strong:rgba(11,77,162,.13);
  --color-btn-text:#FFFFFF;
  --color-focus:var(--color-bright);

  /* project role badges — 주관/공동/위탁/용역, each a distinct accent
     so the role reads at a glance in the project grid */
  --color-role-host:var(--color-blue);
  --color-role-joint:#1F8A5F;
  --color-role-sub:#7A4FB5;
  --color-role-service:#B8720E;

  --font-display:"IBM Plex Sans KR","Pretendard",-apple-system,"Noto Sans KR",sans-serif;
  --font-body:"Pretendard",-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",sans-serif;
  --font-mono:"IBM Plex Mono","Pretendard",ui-monospace,SFMono-Regular,monospace;

  --space-xs:4px; --space-sm:8px; --space-md:16px; --space-lg:24px;
  --space-xl:32px; --space-2xl:48px; --space-3xl:72px; --space-4xl:104px;

  --text-xs:.72rem; --text-sm:.84rem; --text-base:1rem; --text-md:1.08rem;
  --text-lg:1.3rem; --text-xl:1.7rem;
  --text-eq:clamp(1.3rem,3.6vw,2.35rem);
  --text-display:clamp(2.15rem,6vw,4.1rem);

  --ease-out:cubic-bezier(.2,.7,.3,1);
  --dur-fast:140ms; --dur-med:240ms;

  --rule-hair:1px solid var(--color-line);
  --rule-frame:1.5px solid var(--color-frame);
  --maxw:1160px;
}
[data-theme="dark"]{
  --color-blue:#82B4EC;
  --color-ci-orange:#FF8A4C;
  --color-orange:#82B4EC;
  --color-navy:#B7CFEF;
  --color-bright:#9CC4F2;
  --color-orange-text:#9CC4F2;

  --color-paper:#0A1B36;       /* cyanotype */
  --color-paper-2:#0E2342;
  --color-ink:#E9F0FA;
  --color-muted:#9DB2D2;
  --color-frame:#A7BFE2;
  --color-line:#22406C;
  --color-line-strong:#3A5A8C;
  --color-grid:rgba(173,203,240,.06);
  --color-grid-strong:rgba(173,203,240,.11);
  --color-btn-text:#0A1B36;

  --color-role-host:var(--color-blue);
  --color-role-joint:#6FD1A8;
  --color-role-sub:#C9A8EA;
  --color-role-service:#E8B368;
}

/* ===================== base ===================== */
*{box-sizing:border-box}
/* site-wide type scale bump (사용자 요청): raising the root font-size
   scales every rem-based font-size across the site uniformly, while
   fixed-px spacing/layout (--space-*, grid columns, etc.) stays put. */
html{scroll-behavior:smooth;font-size:112.5%}
html,body{overflow-x:clip}
body{
  margin:0;background:var(--color-paper);color:var(--color-ink);
  font-family:var(--font-body);font-size:var(--text-base);line-height:1.72;
  -webkit-font-smoothing:antialiased;word-break:keep-all;
}
h1,h2,h3,h4{font-family:var(--font-display);font-style:normal;font-weight:700;
  line-height:1.22;margin:0 0 .5em;letter-spacing:-.015em;color:var(--color-ink);
  overflow-wrap:anywhere;min-width:0}
p{margin:0 0 1rem}
a{color:var(--color-blue);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
img{max-width:100%;display:block}
:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}
::selection{background:var(--color-blue);color:var(--color-paper)}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:1ms!important;animation-duration:1ms!important}
}

body[data-lang="ko"] .en{display:none}
body[data-lang="en"] .ko{display:none}

.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--space-lg)}

/* mono annotation voice */
.ann{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.14em;
  text-transform:uppercase;color:var(--color-muted);font-weight:500}
.ann .plus{color:var(--color-orange);font-weight:500}

/* ===================== drawing sheet frame ===================== */
.sheet{position:relative;margin:14px;border:var(--rule-frame);min-height:calc(100vh - 28px)}
.sheet>.corner{position:absolute;width:15px;height:15px;pointer-events:none;z-index:60}
.sheet>.corner::before,.sheet>.corner::after{content:"";position:absolute;background:var(--color-orange)}
.sheet>.corner::before{left:50%;top:0;width:1.5px;height:100%;transform:translateX(-50%)}
.sheet>.corner::after{top:50%;left:0;height:1.5px;width:100%;transform:translateY(-50%)}
.corner.tl{top:-8px;left:-8px}.corner.tr{top:-8px;right:-8px}
.corner.bl{bottom:-8px;left:-8px}.corner.br{bottom:-8px;right:-8px}

/* ===================== nav ===================== */
.site-header{position:sticky;top:0;z-index:50;background:var(--color-paper);
  border-bottom:var(--rule-hair)}
.nav{display:flex;align-items:center;justify-content:space-between;height:60px;gap:var(--space-md)}
.brand{display:flex;align-items:baseline;gap:10px;color:var(--color-ink);font-family:var(--font-display);
  font-weight:700;font-size:1.02rem;letter-spacing:-.01em;white-space:nowrap}
.brand:hover{text-decoration:none;color:var(--color-blue)}
.brand .sig{font-family:var(--font-mono);font-weight:500;color:var(--color-blue);font-size:.94rem}
.brand .sig .plus{color:var(--color-ci-orange)}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav-links a{display:block;font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.1em;
  text-transform:uppercase;color:var(--color-muted);padding:6px 10px;white-space:nowrap;
  border-bottom:2px solid transparent;transition:color var(--dur-fast) var(--ease-out)}
.nav-links a:hover{color:var(--color-blue);text-decoration:none}
.nav-links a.active{color:var(--color-blue);border-bottom-color:var(--color-orange)}
.nav-tools{display:flex;align-items:center;gap:6px}
.btn-icon{border:var(--rule-hair);background:var(--color-paper);color:var(--color-ink);
  width:34px;height:34px;cursor:pointer;font-family:var(--font-mono);font-size:var(--text-xs);
  display:grid;place-items:center;transition:border-color var(--dur-fast) var(--ease-out)}
.btn-icon:hover{border-color:var(--color-blue);color:var(--color-blue)}
.btn-icon:active{transform:translateY(1px)}
.nav-toggle{display:none}

/* ===================== hero ===================== */
.hero{position:relative;border-bottom:var(--rule-hair);
  background-image:
    linear-gradient(var(--color-grid-strong) 1px,transparent 1px),
    linear-gradient(90deg,var(--color-grid-strong) 1px,transparent 1px),
    linear-gradient(var(--color-grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--color-grid) 1px,transparent 1px);
  background-size:120px 120px,120px 120px,24px 24px,24px 24px}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:var(--space-2xl);align-items:center;padding:var(--space-3xl) 0}
.hero h1{font-size:var(--text-display);margin:.35em 0 .2em}
.hero .tagline{font-size:var(--text-lg);font-weight:500;color:var(--color-ink);margin:0 0 .4em;
  font-family:var(--font-display)}
.hero .sub{color:var(--color-muted);max-width:34em;margin-bottom:0}

.dim{position:relative;height:1px;background:var(--color-line-strong);margin:var(--space-lg) 0 var(--space-xl)}
.dim::before,.dim::after{content:"";position:absolute;top:-5px;width:1px;height:11px;background:var(--color-line-strong)}
.dim::before{left:0}.dim::after{right:0}
.dim .dim-label{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--color-paper);padding:0 var(--space-md);white-space:nowrap}

/* composite equation — signature */
.equation{margin-top:var(--space-xl);border-top:var(--rule-hair)}
.eq-row{display:flex;align-items:center;gap:var(--space-md);padding:14px 2px;
  border-bottom:var(--rule-hair);color:var(--color-ink);
  transition:color var(--dur-fast) var(--ease-out)}
.eq-row:hover{text-decoration:none;color:var(--color-blue)}
.eq-row:hover .eq-go{transform:translateX(4px);color:var(--color-orange)}
.eq-row .dmark{flex:0 0 auto}
.eq-row .eq-term{font-family:var(--font-display);font-weight:700;font-size:var(--text-eq);
  letter-spacing:-.02em;line-height:1.1;min-width:0}
.eq-row .plus{color:var(--color-orange);font-weight:500;margin:0 .18em}
.eq-row .eq-go{margin-left:auto;font-family:var(--font-mono);color:var(--color-muted);
  font-size:var(--text-sm);transition:transform var(--dur-fast) var(--ease-out)}

.dmark{width:30px;height:30px;border:1.5px solid var(--color-blue);border-radius:50%;
  display:grid;place-items:center;font-family:var(--font-mono);font-size:.8rem;
  color:var(--color-blue);font-weight:500}

/* hero drawing */
.bp-fig{margin:0;min-width:0}
.bp-fig svg{width:100%;height:auto;display:block}
.bp-svg .edge{stroke:var(--color-blue);fill:none;stroke-width:1.3}
.bp-svg .hidden-edge{stroke:var(--color-blue);fill:none;stroke-width:1;stroke-dasharray:5 5;opacity:.5}
.bp-svg .dimline{stroke:var(--color-line-strong);fill:none;stroke-width:1}
.bp-svg .leader{stroke:var(--color-orange);fill:none;stroke-width:1}
.bp-svg text{font-family:var(--font-mono);font-size:10.5px;fill:var(--color-muted);letter-spacing:.08em}
.bp-svg .dcircle{stroke:var(--color-orange);fill:none;stroke-width:1.3}
.bp-svg .dletter{fill:var(--color-orange);font-size:11px;font-weight:600}

/* ===================== sections ===================== */
.section{padding:var(--space-3xl) 0}
.section.lined{border-top:var(--rule-hair)}
.sec-head{margin-bottom:var(--space-xl)}
.sec-head .ann{display:block;margin-bottom:var(--space-sm)}
.sec-head h2{font-size:var(--text-xl);margin:0}
.sec-head .lead{color:var(--color-muted);margin:.5em 0 0;max-width:44em}
.sec-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--space-md);flex-wrap:wrap}
.more-link{font-family:var(--font-mono);font-size:var(--text-sm);white-space:nowrap}

/* detail panels */
.details{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:var(--rule-hair)}
.details.stack{grid-template-columns:minmax(0,1fr)}
.details.stack .panel{border-right:0;border-bottom:var(--rule-hair);padding:var(--space-xl) var(--space-lg)}
.details.stack .panel:last-child{border-bottom:0}
.panel{position:relative;padding:var(--space-xl) var(--space-lg) var(--space-lg);
  border-right:var(--rule-hair);background:var(--color-paper);
  transition:background-color var(--dur-med) var(--ease-out)}
.panel:last-child{border-right:0}
.panel:hover{background:var(--color-paper-2)}
.panel .panel-top{display:flex;align-items:center;gap:10px;margin-bottom:var(--space-md)}
.panel .panel-top .lead-line{flex:1;height:1px;background:var(--color-line)}
.panel h3{font-size:var(--text-lg);letter-spacing:-.02em;margin-bottom:.35em}
.panel h3 .plus{color:var(--color-orange);font-weight:500}
.panel .panel-desc{color:var(--color-muted);font-size:var(--text-sm);margin-bottom:var(--space-md)}
.kw-list{list-style:none;margin:0 0 var(--space-md);padding:0;
  font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.02em;color:var(--color-ink)}
.kw-list li{padding:5px 0;border-top:1px dashed var(--color-line);display:flex;gap:8px;align-items:baseline}
.kw-list li::before{content:"+";color:var(--color-orange);font-weight:600;flex:0 0 auto}
.panel .panel-proj{font-size:var(--text-sm);color:var(--color-muted);margin:0;border-top:var(--rule-hair);padding-top:var(--space-md)}

/* panel figure — text + representative image side-by-side. The figure
   stretches to fill the full height of the panel row (align-items:stretch)
   and takes a wide share of the width so it reads as a real illustration,
   not a small thumbnail. */
.panel-flex{display:flex;gap:var(--space-xl);align-items:stretch}
.panel-flex .panel-text{flex:1 1 auto;min-width:0}
.panel-figure{flex:0 0 40%;min-height:260px;border:var(--rule-hair);background:var(--color-paper-2);
  display:grid;place-items:center;text-align:center;padding:var(--space-sm);
  font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-muted)}
.panel-figure.ph{background-image:repeating-linear-gradient(45deg,var(--color-grid-strong) 0 8px,transparent 8px 16px)}
.panel-figure img{width:100%;height:100%;object-fit:cover;display:block}
@media(max-width:760px){
  .panel-flex{flex-direction:column}
  .panel-figure{flex:0 0 auto;width:100%;min-height:0;aspect-ratio:16/9}
}
.panel .panel-proj strong{color:var(--color-ink);font-weight:600}

/* ===================== filters (projects) ===================== */
.filters{display:flex;gap:8px;margin:var(--space-lg) 0 var(--space-xl);flex-wrap:wrap}
.filter-btn{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.08em;text-transform:uppercase;
  color:var(--color-muted);background:var(--color-paper);border:var(--rule-hair);padding:8px 14px;cursor:pointer;
  transition:color var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out)}
.filter-btn:hover{color:var(--color-blue);border-color:var(--color-line-strong)}
.filter-btn.active{color:var(--color-blue);border-color:var(--color-blue);background:var(--color-paper-2)}
.filter-btn .cnt{opacity:.7}
[data-status].hidden{display:none!important}

/* ===================== project register (table) ===================== */
.reg{border:var(--rule-hair)}
.reg-row{display:grid;grid-template-columns:56px minmax(0,1fr) 200px 150px 96px;
  align-items:center;border-bottom:var(--rule-hair);padding:12px var(--space-md);gap:var(--space-md);
  color:var(--color-ink);transition:background-color var(--dur-fast) var(--ease-out)}
.reg-row:last-child{border-bottom:0}
a.reg-row:hover{text-decoration:none;background:var(--color-paper-2)}
.reg-row.head{background:var(--color-paper-2);padding-top:8px;padding-bottom:8px}
.reg-row.head span{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.12em;
  text-transform:uppercase;color:var(--color-muted)}
.reg-no{font-family:var(--font-mono);font-size:var(--text-sm);color:var(--color-blue)}
.reg-title{font-weight:600;min-width:0}
.reg-title .axis{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-muted);display:block;font-weight:500;margin-top:2px}
.reg-agency,.reg-period{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-muted);letter-spacing:.02em}
.reg-role{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-orange-text);text-align:right}

/* ===================== tabs (publications nav) ===================== */
.tabs{display:flex;gap:0;margin:var(--space-lg) 0 0;flex-wrap:wrap;border-bottom:var(--rule-hair)}
.tab{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.1em;text-transform:uppercase;
  color:var(--color-muted);background:none;border:none;border-bottom:2px solid transparent;
  padding:10px 4px;margin-right:24px;cursor:pointer;transition:color var(--dur-fast) var(--ease-out)}
.tab:hover{color:var(--color-blue)}
.tab.active{color:var(--color-blue);border-bottom-color:var(--color-orange)}
.pub-section{padding-top:var(--space-lg)}
.pub-section.hidden{display:none!important}

/* ===================== people / members ===================== */
.people-pi{border:var(--rule-hair);padding:var(--space-xl);display:flex;gap:var(--space-lg);margin-bottom:var(--space-2xl)}
/* avatar — sized generously so a real photo (.avatar.photo) reads clearly;
   the plain letter-avatar fallback just centers larger inside the same
   circle. overflow:hidden + object-fit:cover crops any photo into a circle. */
.avatar{flex:0 0 auto;width:96px;height:96px;border-radius:50%;background:var(--color-paper-2);
  border:1.5px solid var(--color-blue);display:grid;place-items:center;overflow:hidden;
  font-family:var(--font-display);font-weight:700;font-size:1.9rem;color:var(--color-blue)}
.avatar.photo{background:var(--color-paper-2)}
.avatar img{width:100%;height:100%;object-fit:cover;display:block}
.people-pi h3{font-size:var(--text-lg);margin:.15em 0 .3em}
.people-pi .role{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.08em;
  text-transform:uppercase;color:var(--color-muted);margin-bottom:6px}
.chip-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:var(--space-md)}
.chip{font-family:var(--font-mono);font-size:var(--text-xs);border:var(--rule-hair);padding:6px 12px;
  color:var(--color-ink);text-decoration:none;display:inline-block}
.chip:hover{border-color:var(--color-blue);color:var(--color-blue);text-decoration:none}
.people-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border:var(--rule-hair)}
.person{padding:var(--space-lg);border-right:var(--rule-hair);border-bottom:var(--rule-hair);
  display:flex;gap:var(--space-md);min-width:0}
.person:nth-child(2n){border-right:0}
.person:last-child,.person:nth-last-child(2):nth-child(odd){border-bottom:0}
.person .avatar{width:52px;height:52px;font-size:1.05rem}
.person h4{font-size:var(--text-md);margin:.1em 0 .3em;font-family:var(--font-display);font-weight:700}
.person .role{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.06em;
  text-transform:uppercase;color:var(--color-muted);margin-bottom:4px}
.person p{font-size:var(--text-sm);color:var(--color-muted);margin:0}

/* people list — one person per row (students / interns). Each row can
   optionally show an email / research-interests / free-note panel below
   the name — all filled in per-person in data/members.json, all optional. */
.people-list{border:var(--rule-hair)}
.people-list .person-row{display:flex;gap:var(--space-lg);padding:var(--space-lg);border-bottom:var(--rule-hair)}
.people-list .person-row:last-child{border-bottom:0}
.person-row .avatar{width:84px;height:84px;font-size:1.5rem}
.person-row .info{min-width:0;flex:1 1 auto}
.person-row h4{font-size:var(--text-md);margin:.1em 0 .3em;font-family:var(--font-display);font-weight:700}
.person-row .role{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.06em;
  text-transform:uppercase;color:var(--color-muted);margin-bottom:4px}
.person-extra{margin-top:8px;display:flex;flex-direction:column;gap:4px}
.person-extra .kv{font-size:var(--text-sm);color:var(--color-muted);display:flex;gap:8px;flex-wrap:wrap}
.person-extra .kv .k{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.06em;
  text-transform:uppercase;color:var(--color-muted);flex:0 0 auto}
.person-extra .kv a{color:var(--color-ink)}
.person-extra .kv a:hover{color:var(--color-blue)}
@media(max-width:600px){
  .people-list .person-row{flex-direction:column;gap:var(--space-sm)}
}

/* alumni — year group label above each people-list block on alumni.html
   (grad students are grouped newest-year-first) */
.alumni-year{font-family:var(--font-mono);font-size:var(--text-sm);font-weight:600;
  color:var(--color-blue);margin:var(--space-lg) 0 var(--space-sm)}
#alumniGrad .alumni-year:first-child{margin-top:0}

/* ===================== tag chips (research) ===================== */
.tags{display:flex;gap:6px;flex-wrap:wrap;margin:var(--space-md) 0}
.tag{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.04em;border:1px solid var(--color-line);
  color:var(--color-muted);padding:3px 10px;display:inline-block}

/* ===================== project cards ("card news") ===================== */
.proj-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-lg)}
.proj-card2{border:var(--rule-hair);transition:border-color var(--dur-fast) var(--ease-out)}
.proj-card2:hover{border-color:var(--color-line-strong)}
.proj-card2 .thumb{width:100%;aspect-ratio:16/9;background:var(--color-paper-2);border-bottom:var(--rule-hair);
  display:grid;place-items:center;overflow:hidden}
.proj-card2 .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.proj-card2 .thumb.ph{background-image:repeating-linear-gradient(45deg,var(--color-grid-strong) 0 8px,transparent 8px 16px)}
.proj-card2 .thumb.ph span{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-muted)}
.proj-card2 .body{padding:var(--space-lg)}
.proj-card2 .top{display:flex;justify-content:flex-start;align-items:center;margin-bottom:var(--space-sm);gap:8px;flex-wrap:wrap}
.proj-card2 .top .ann{margin-right:auto}
.proj-card2 .badge{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;
  border:1px solid var(--color-line);padding:2px 8px;color:var(--color-muted);white-space:nowrap}
.proj-card2 .badge.on{color:var(--color-blue);border-color:var(--color-blue)}
/* role badges — 주관/공동/위탁/용역 each get a distinct color
   (roleClassOf() in data.js picks the modifier class below) */
.proj-card2 .badge.role{border-style:dashed}
.proj-card2 .badge.role.role-host{color:var(--color-role-host);border-color:var(--color-role-host)}
.proj-card2 .badge.role.role-joint{color:var(--color-role-joint);border-color:var(--color-role-joint)}
.proj-card2 .badge.role.role-sub{color:var(--color-role-sub);border-color:var(--color-role-sub)}
.proj-card2 .badge.role.role-service{color:var(--color-role-service);border-color:var(--color-role-service)}
.proj-card2 .badge.role.role-other{color:var(--color-muted);border-color:var(--color-line-strong)}
.proj-card2 h3{font-size:var(--text-md);margin:0 0 .4em;letter-spacing:-.01em}
.proj-card2 p{font-size:var(--text-sm);color:var(--color-muted);margin:0 0 var(--space-md)}
.proj-card2 .meta{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-muted);
  border-top:var(--rule-hair);padding-top:var(--space-sm)}

/* project meta table (기간/사업비/주관기관/지원기관) */
.proj-card2 .proj-meta{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-muted);
  border-top:var(--rule-hair);padding-top:var(--space-sm);margin:0;display:grid;gap:5px}
.proj-card2 .proj-meta>div{display:flex;gap:8px;align-items:baseline}
.proj-card2 .proj-meta dt{flex:0 0 64px;color:var(--color-muted);font-weight:500;letter-spacing:.04em;margin:0}
.proj-card2 .proj-meta dd{margin:0;color:var(--color-ink);min-width:0;overflow-wrap:anywhere}
@media(max-width:760px){
  .proj-cards{grid-template-columns:minmax(0,1fr)}
  .people-grid{grid-template-columns:minmax(0,1fr)}
  .person{border-right:0!important}
  .person:not(:last-child){border-bottom:var(--rule-hair)}
  .people-pi{flex-direction:column}
}

/* ===================== publications ===================== */
.pub-list{border-top:var(--rule-hair)}
.pub-item{display:flex;gap:var(--space-lg);padding:var(--space-md) 2px;border-bottom:var(--rule-hair)}
.pub-item .yr{flex:0 0 52px;font-family:var(--font-mono);font-size:var(--text-sm);color:var(--color-blue);padding-top:2px}
.pub-item .t{font-weight:600;min-width:0;overflow-wrap:anywhere}
.pub-item .v{color:var(--color-muted);font-size:var(--text-sm)}
.pub-item .v em{font-style:italic}
.pub-item .a{color:var(--color-muted);font-size:var(--text-xs);margin-top:3px;overflow-wrap:anywhere}
.pub-item .a .me{color:var(--color-ink);font-weight:600}
.pub-item .doi{margin-top:4px}
.pub-item .doi a{font-family:var(--font-mono);font-size:var(--text-xs)}

/* optional IF (impact factor) / JCR-percentile badges, shown next to a
   journal name when present in publications.json — fill in gradually */
.if-jcr{margin-left:6px;display:inline-flex;gap:4px;vertical-align:middle}
.if-jcr-badge{display:inline-block;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.03em;
  font-weight:600;padding:1px 7px;white-space:nowrap}
.if-jcr-badge.if{background:var(--color-blue);color:var(--color-btn-text)}
.if-jcr-badge.jcr{background:transparent;color:var(--color-blue);border:1px solid var(--color-blue)}
.pub-item .tag{display:inline-block;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--color-orange-text);border:1px solid var(--color-line);
  padding:1px 6px;margin-left:8px;vertical-align:middle}
.pub-sub{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.12em;text-transform:uppercase;
  color:var(--color-muted);margin:var(--space-xl) 0 var(--space-sm)}
.pub-sub:first-child{margin-top:0}
.pub-note{color:var(--color-muted);font-size:var(--text-sm);margin-top:var(--space-md)}

/* facts strip */
.facts{display:flex;gap:var(--space-2xl);flex-wrap:wrap;margin-top:var(--space-2xl);
  border-top:var(--rule-hair);padding-top:var(--space-lg)}
.fact .n{font-family:var(--font-display);font-weight:700;font-size:var(--text-xl);letter-spacing:-.02em}
.fact .l{display:block;margin-top:2px}

/* ===================== join / cta ===================== */
.join{background:var(--color-paper-2);border-top:var(--rule-hair)}
.join-inner{padding:var(--space-3xl) 0;max-width:640px}
/* home "welcome" block only — its contact line is longer than the shared
   .join-inner width allows, so it wraps to a 2nd line despite room to
   spare in the page; give just this section extra width. */
#welcome .join-inner{max-width:860px}
.join h2{font-size:var(--text-xl)}
.join p{color:var(--color-muted)}
.cta-row{display:flex;gap:var(--space-md);flex-wrap:wrap;margin-top:var(--space-lg)}

.btn{display:inline-flex;align-items:center;gap:8px;background:var(--color-blue);color:var(--color-btn-text);
  font-family:var(--font-mono);font-size:var(--text-sm);letter-spacing:.06em;font-weight:500;
  padding:12px 22px;border:1.5px solid var(--color-blue);cursor:pointer;white-space:nowrap;
  transition:background-color var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out)}
.btn:hover{background:var(--color-navy);border-color:var(--color-navy);color:var(--color-btn-text);text-decoration:none}
[data-theme="dark"] .btn:hover{background:var(--color-bright);border-color:var(--color-bright)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;color:var(--color-blue)}
.btn.ghost:hover{background:var(--color-blue);color:var(--color-btn-text)}

/* ===================== footer — title block ===================== */
.site-footer{border-top:var(--rule-frame);margin-top:var(--space-3xl)}
.tblock{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-left:var(--rule-hair)}
.tcell{border-right:var(--rule-hair);padding:var(--space-md) var(--space-lg) var(--space-lg);min-width:0}
.tcell .ann{display:block;margin-bottom:6px}
.tcell .val{font-size:var(--text-sm);color:var(--color-ink);overflow-wrap:anywhere}
.tcell .val a{display:block;padding:2px 0;color:var(--color-ink)}
.tcell .val a:hover{color:var(--color-blue)}
.tcell .note{color:var(--color-muted);font-size:var(--text-xs)}
.copyright{border-top:var(--rule-hair);padding:var(--space-md) var(--space-lg);
  display:flex;justify-content:space-between;gap:var(--space-md);flex-wrap:wrap}

/* ===================== nav dropdown ===================== */
.has-dropdown{position:relative}
.has-dropdown>a::after{content:"▾";display:inline-block;margin-left:4px;font-size:.85em;opacity:.65}
.dropdown{position:absolute;top:100%;left:0;min-width:150px;margin:0;padding:4px 0;list-style:none;
  background:var(--color-paper);border:var(--rule-hair);box-shadow:0 10px 24px rgba(19,35,62,.12);
  opacity:0;visibility:hidden;transform:translateY(-4px);
  transition:opacity var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out),visibility var(--dur-fast) var(--ease-out);
  z-index:70}
.has-dropdown:hover .dropdown,.has-dropdown:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown li{margin:0}
.dropdown a{display:block;padding:9px 14px;font-size:var(--text-xs);letter-spacing:.08em;white-space:nowrap;
  border-bottom:none!important;text-transform:uppercase}
.dropdown a:hover{background:var(--color-paper-2);text-decoration:none}

/* ===================== page hero (sub-pages) ===================== */
.page-hero{border-bottom:var(--rule-hair);background-image:
    linear-gradient(var(--color-grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--color-grid) 1px,transparent 1px);
  background-size:24px 24px}
.page-hero-inner{padding:var(--space-2xl) 0 var(--space-xl)}
.page-hero h1{font-size:clamp(1.8rem,4.4vw,2.6rem);margin:.35em 0 .2em}
.page-hero .lead{color:var(--color-muted);max-width:44em;margin:0}

/* ===================== blog / post cards ===================== */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-lg)}
.post-card{display:block;border:var(--rule-hair);color:var(--color-ink);
  transition:border-color var(--dur-fast) var(--ease-out)}
.post-card:hover{border-color:var(--color-line-strong);text-decoration:none}
.post-card.disabled{opacity:.55;pointer-events:none}
.post-thumb{width:100%;aspect-ratio:16/9;background:var(--color-paper-2);border-bottom:var(--rule-hair);
  display:grid;place-items:center}
.post-thumb.grad{background-image:linear-gradient(135deg,var(--color-grid-strong),var(--color-paper-2))}
.post-date{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-muted);
  padding:var(--space-md) var(--space-md) 0}
.post-card h3{font-size:var(--text-md);margin:.3em var(--space-md) .3em;letter-spacing:-.01em}
.post-excerpt{font-size:var(--text-sm);color:var(--color-muted);margin:0 var(--space-md) var(--space-md)}
.cats{display:flex;gap:6px;flex-wrap:wrap;padding:0 var(--space-md) var(--space-md)}
.cat{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;
  border:1px solid var(--color-line);color:var(--color-muted);padding:2px 8px}

/* ===================== callout ===================== */
.callout{border:var(--rule-hair);border-left:3px solid var(--color-blue);background:var(--color-paper-2);
  padding:var(--space-md) var(--space-lg);font-size:var(--text-sm);color:var(--color-muted)}
.callout code{font-family:var(--font-mono);font-size:.92em;color:var(--color-ink);
  background:var(--color-paper);border:1px solid var(--color-line);padding:1px 5px}

/* ===================== contact ===================== */
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--space-2xl)}
.contact-col{display:flex;flex-direction:column;gap:var(--space-lg)}
.info-row{display:flex;gap:var(--space-md);align-items:flex-start}
.info-row .ic{flex:0 0 32px;height:32px;border:1.5px solid var(--color-blue);border-radius:50%;
  display:grid;place-items:center;color:var(--color-blue);font-size:.95rem}
.info-row .val{font-size:var(--text-sm);min-width:0}
.info-row .val .ann{display:block;margin-bottom:3px}
.info-row .val a{color:var(--color-ink)}
.info-row .val a:hover{color:var(--color-blue)}
.map-wrap{border:var(--rule-hair);overflow:hidden;min-height:280px}
.map-wrap iframe{width:100%;height:100%;min-height:280px;border:0;display:block}

/* ===================== generic note / back-link / roster ===================== */
.note{color:var(--color-muted);font-size:var(--text-sm)}
.back-link{display:inline-block;font-family:var(--font-mono);font-size:var(--text-xs);
  letter-spacing:.08em;text-transform:uppercase;color:var(--color-muted)}
.back-link:hover{color:var(--color-blue);text-decoration:none}
.people-list.roster{border-top:var(--rule-hair)}

/* ===================== responsive ===================== */
@media(max-width:1000px){
  .hero-inner{grid-template-columns:minmax(0,1fr)}
  .bp-fig{max-width:440px}
  .details{grid-template-columns:minmax(0,1fr)}
  .panel{border-right:0;border-bottom:var(--rule-hair)}
  .panel:last-child{border-bottom:0}
  .reg-row{grid-template-columns:44px minmax(0,1fr) 150px}
  .reg-row .reg-period,.reg-row .reg-role{display:none}
  .tblock{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tcell{border-bottom:var(--rule-hair)}
}
@media(max-width:860px){
  .nav-links{position:absolute;top:60px;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--color-paper);border-bottom:var(--rule-frame);padding:var(--space-sm) var(--space-md);display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 8px;border-bottom:2px solid transparent}
  .nav-toggle{display:grid}
  .has-dropdown>a::after{display:none}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;border:0;box-shadow:none;
    padding:0 0 0 var(--space-md);margin:0}
  .dropdown a{padding:8px}
}
@media(max-width:760px){
  .post-grid{grid-template-columns:minmax(0,1fr)}
  .contact-grid{grid-template-columns:minmax(0,1fr)}
}
@media(max-width:640px){
  .sheet{margin:8px;min-height:calc(100vh - 16px)}
  .eq-row .eq-go{display:none}
  .eq-row{gap:var(--space-sm)}
  .section{padding:var(--space-2xl) 0}
  .hero-inner{padding:var(--space-2xl) 0}
  .reg-row{grid-template-columns:36px minmax(0,1fr)}
  .reg-row .reg-agency{display:none}
  .reg-row.head{display:none}
  .facts{gap:var(--space-lg)}
  .tblock{grid-template-columns:minmax(0,1fr)}
  .pub-item{gap:var(--space-md)}
  .copyright{flex-direction:column;gap:4px}
}