@import url('https://fonts.googleapis.com/css2?family=M+PLUS+Rounded+1c:wght@300;400;700&display=swap');

:root{
  --bg:#f0e7db; --fg:#1a202c; --fg-soft:#4a5568; --link:#3d7aed; --accent:#88ccca;
  --underline:#525252; --navbg:rgba(255,255,255,0.55); --card-bg:rgba(255,255,255,0.6);
  --card-border:rgba(0,0,0,0.08); --btn-fg:#1f7a72; --btn-bg:rgba(56,178,172,0.12); --btn-bg-hover:rgba(56,178,172,0.22);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#202023; --fg:#f7fafc; --fg-soft:#cbd5e0; --link:#ff63c3; --accent:#88ccca;
    --navbg:rgba(32,32,35,0.55); --card-bg:rgba(255,255,255,0.06); --card-border:rgba(255,255,255,0.12);
    --btn-fg:#7fe0d8; --btn-bg:rgba(127,224,216,0.12); --btn-bg-hover:rgba(127,224,216,0.22);
  }
}
:root[data-theme="dark"]{
  --bg:#202023; --fg:#f7fafc; --fg-soft:#cbd5e0; --link:#ff63c3; --accent:#88ccca;
  --navbg:rgba(32,32,35,0.55); --card-bg:rgba(255,255,255,0.06); --card-border:rgba(255,255,255,0.12);
  --btn-fg:#7fe0d8; --btn-bg:rgba(127,224,216,0.12); --btn-bg-hover:rgba(127,224,216,0.22);
}

*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;transition:background .25s ease,color .25s ease}
h1,h2,h3,h4{font-family:'M PLUS Rounded 1c',sans-serif;font-weight:700;margin:0}
a{color:var(--link);text-decoration:none;text-underline-offset:3px}
a:hover{text-decoration:underline}
.container{max-width:768px;margin:0 auto;padding:0 16px}

#navbar{position:fixed;top:0;left:0;right:0;z-index:20;background:var(--navbg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.nav-inner{max-width:768px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:8px 16px;flex-wrap:wrap}
.logo{display:inline-flex;align-items:center;gap:10px;font-family:'M PLUS Rounded 1c',sans-serif;font-weight:700;font-size:18px;color:var(--fg);padding:6px 4px}
.logo:hover{text-decoration:none}
.logo .footprint{transition:transform .2s ease}
.logo:hover .footprint{transform:rotate(20deg)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{padding:8px;border-radius:6px;color:var(--fg)}
.nav-link:hover{text-decoration:none;background:var(--card-bg)}
.nav-link.active{background:var(--accent);color:#20202b}
.nav-contact{display:inline-flex;align-items:center;gap:5px}
.nav-right{display:flex;align-items:center;gap:6px}
.icon-btn{border:none;background:var(--card-bg);color:var(--fg);width:34px;height:34px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.icon-btn:hover{background:var(--btn-bg-hover)}
.menu-only{display:none}
#mobile-menu{display:none;flex-direction:column;padding:8px 16px 14px;gap:2px}
#mobile-menu a{padding:10px 8px;border-radius:6px;color:var(--fg)}
#mobile-menu a:hover{background:var(--card-bg);text-decoration:none}

@media (max-width:680px){
  .nav-links{display:none}
  .menu-only{display:inline-flex}
  #mobile-menu:not([hidden]){display:flex}
}

main.container{padding-top:70px;padding-bottom:48px}

.intro-box{border-radius:12px;margin-bottom:24px;padding:12px;text-align:center;background:var(--card-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--card-border)}
.hero-row{display:flex;align-items:center;gap:24px;margin-bottom:24px;flex-wrap:wrap}
.hero-text{flex:1;min-width:200px}
.page-title{font-size:28px}
.subtitle{margin:6px 0 0;color:var(--fg-soft)}
.avatar{flex-shrink:0}
.avatar img{width:100px;height:100px;border-radius:999px;object-fit:cover;border:2px solid var(--card-border)}

.fade{margin-bottom:24px;animation:fadeIn .6s ease both;animation-delay:var(--d,0s)}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

.section-title{text-decoration:underline;font-size:20px;text-underline-offset:6px;text-decoration-color:var(--underline);text-decoration-thickness:4px;margin-top:12px;margin-bottom:16px}
.page-heading{font-size:22px;margin-bottom:16px}
.sub-heading{font-size:18px;margin:0 0 12px}
.para{text-align:justify;text-indent:1em;hyphens:auto;line-height:1.6}
.bio-row{padding-left:3.4em;text-indent:-3.4em;margin-bottom:6px}
.bio-year{font-weight:bold;margin-right:1em}

.center-cta{text-align:center;margin:16px 0}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;background:var(--btn-bg);color:var(--btn-fg);font-weight:600}
.btn:hover{background:var(--btn-bg-hover);text-decoration:none}
.btn-teal{}

.link-list{list-style:none;padding:0;margin:0 0 16px}
.link-list li{margin-bottom:6px}
.ghost-btn{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:8px;color:var(--btn-fg)}
.ghost-btn:hover{background:var(--btn-bg-hover);text-decoration:none}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:8px 0 20px}
@media (max-width:560px){.grid2{grid-template-columns:1fr}}
.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;margin:8px 0 20px}
.empty-state{text-align:center;padding:32px 20px;border:1px dashed var(--card-border);border-radius:12px;color:var(--fg-soft)}
.grid-card{display:block;background:var(--card-bg);border:1px solid var(--card-border);border-radius:12px;padding:16px;text-align:center;color:var(--fg)}
a.grid-card:hover{text-decoration:none;background:var(--btn-bg-hover)}
.grid-card.static{text-align:left}
.grid-thumb{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--btn-bg);color:var(--btn-fg);margin:0 auto 10px}
.grid-card.static .grid-thumb{margin:0 0 10px}
.grid-title{font-weight:700;margin-bottom:4px}
.grid-desc{font-size:14px;color:var(--fg-soft)}

.divider{border:none;border-top:1px solid var(--card-border);margin:24px 0}

.plain-list{padding-left:1.2em;margin:0 0 8px;line-height:1.7}
.plain-list li{margin-bottom:4px}

.pub-cat{border:1px solid var(--card-border);border-radius:10px;padding:10px 14px;margin-bottom:10px;background:var(--card-bg)}
.pub-cat summary{cursor:pointer;font-weight:700;list-style:none}
.pub-cat summary::-webkit-details-marker{display:none}
.pub-cat summary:before{content:'▸';display:inline-block;margin-right:8px;transition:transform .15s ease}
.pub-cat[open] summary:before{transform:rotate(90deg)}
.count{font-weight:400;color:var(--fg-soft);font-size:13px}
.pub-list{padding-left:1.4em;margin:10px 0 2px;line-height:1.6}
.pub-list li{margin-bottom:8px;font-size:15px}

footer{max-width:768px;margin:32px auto 0;padding:0 16px;text-align:center;opacity:.55;font-size:13px;line-height:1.6}

.page{display:none}
.page.active{display:block}