/* ---------- COLORS AND SIZES (edit here) ---------- */
:root{
  --bg:#07060d;
  --bg2:#0e0c1a;
  --card:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.1);
  --text:#efedf8;
  --muted:#a29fbd;
  --main:#8b7bff;      /* main violet */
  --main2:#c084fc;     /* lighter violet */
  --gold:#f2c66d;      /* gold, like chip pins */
  --grad:linear-gradient(135deg,#8b7bff,#c084fc);
  /* ── Semantic theme surfaces (light-mode values live in themes/theme-transition.css).
        New sections should use these variables so both themes work automatically. ── */
  --scheme:dark;
  --nav-bg:rgba(7,6,13,.72);
  --nav-bg-scrolled:rgba(7,6,13,.92);
  --nav-bg-mobile:rgba(7,6,13,.97);
  --nav-shadow:0 8px 30px rgba(0,0,0,.4);
  --img-bg:#0e0c1a;
  --lightbox-bg:rgba(4,3,10,.93);
  --on-main:#07060d;         /* text on violet-accent backgrounds */
  --on-gold:#07060d;         /* text on gold-accent backgrounds */
  --dlg-bg:#0e0c1a;
  --dlg-text:#f1edf9;
  --dlg-muted:#b5aecb;
  --dlg-body:#d7cee6;
  --dlg-border:#49395f;
  --dlg-line:#352944;
  --dlg-soft:#191427;
  --dlg-soft2:#241b38;
  --dlg-track:#241c35;
  --dlg-bar:#0b0913;
  --dlg-visual:#100d1d;
  --dlg-visual-grad:radial-gradient(ellipse at 50% 38%,#241b3b,#100d1d 75%);
  --dlg-backdrop:rgba(5,4,10,.88);
  --dlg-shadow:0 32px 100px rgba(0,0,0,.6);
  --sv-text:#f1edf9;
  --sv-purple-fill:#211939;
  --sv-purple-stroke:#8b7bff;
  --sv-gold-fill:#392d21;
  --sv-gold-stroke:#f2c66d;
  --sv-oxide-fill:#8672cc;
  --sv-oxide-stroke:#c084fc;
  --sv-accent:#c084fc;
  --radius:20px;
  --head:"Outfit","Segoe UI",system-ui,sans-serif;
  --body:"DM Sans","Segoe UI",system-ui,sans-serif;
}

/* ---------- BASIC RESET ---------- */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--body);font-size:17px;line-height:1.7;overflow-x:hidden;animation:pageIn .7s ease}
img{max-width:100%;display:block}
a{color:inherit}
ul{list-style:none}
h1,h2,h3{font-family:var(--head);line-height:1.15}
.wrap{width:min(1120px,92%);margin:0 auto}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* soft background glow + grid */
body::before{content:"";position:fixed;inset:0;z-index:-2;
  background:radial-gradient(600px 400px at 15% 10%,rgba(139,123,255,.18),transparent),
             radial-gradient(500px 400px at 90% 40%,rgba(192,132,252,.12),transparent),
             radial-gradient(500px 300px at 30% 100%,rgba(242,198,109,.07),transparent)}
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 20%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse at 50% 20%,#000 20%,transparent 75%)}

/* ---------- LOADING ANIMATION ---------- */
/* the loader hides itself with pure CSS after about 2 seconds, so it can never get stuck */
#loader{position:fixed;inset:0;z-index:999;background:var(--bg);display:grid;place-items:center;animation:loaderOut .6s ease 1.9s forwards;pointer-events:none}
.loader-box{text-align:center;width:min(320px,80%)}
.load-chip{position:relative;width:96px;height:96px;margin:0 auto 30px;border:2px solid var(--main);border-radius:18px;display:grid;place-items:center;
  font-family:var(--head);font-weight:700;font-size:1.5rem;color:var(--gold);background:rgba(139,123,255,.08);animation:chipGlow 1.4s ease-in-out infinite}
.load-chip i{position:absolute;background:var(--gold);border-radius:2px;opacity:.2;animation:pinOn 1.2s infinite;animation-delay:calc(var(--i) * .15s)}
.load-chip .pt{width:4px;height:14px;top:-15px;left:calc(15px + var(--i) * 21px)}
.load-chip .pb{width:4px;height:14px;bottom:-15px;left:calc(15px + var(--i) * 21px)}
.load-chip .pl{width:14px;height:4px;left:-15px;top:calc(15px + var(--i) * 21px)}
.load-chip .pr{width:14px;height:4px;right:-15px;top:calc(15px + var(--i) * 21px)}
.load-name{font-size:1.5rem;letter-spacing:.5px;margin-bottom:6px}
.load-text{color:var(--muted);font-size:.95rem;margin-bottom:18px}
.load-bar{height:4px;background:rgba(255,255,255,.1);border-radius:9px;overflow:hidden}
.load-fill{height:100%;width:0;background:var(--grad);border-radius:9px;box-shadow:0 0 14px var(--main);animation:fillBar 1.7s ease-out forwards}

/* ---------- NAVIGATION ---------- */
#progress{position:fixed;top:0;left:0;height:3px;width:100%;background:var(--grad);z-index:200;transform:scaleX(0);transform-origin:left;pointer-events:none}
@supports (animation-timeline:scroll()){#progress{animation:grow linear;animation-timeline:scroll(root)}}
.nav{position:sticky;top:0;z-index:100;background:var(--nav-bg);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:.3s}
.nav.scrolled{background:var(--nav-bg-scrolled);box-shadow:var(--nav-shadow)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--head);font-weight:700;font-size:1.3rem}
.logo-mark svg{display:block;transition:transform .6s}@media (hover:hover) and (pointer:fine){
.logo:hover .logo-mark svg{transform:rotate(90deg)}}
.nav ul{display:flex;gap:6px}
.nav ul a{display:block;text-decoration:none;color:var(--muted);padding:8px 16px;border-radius:999px;font-weight:500;font-size:.95rem;transition:.25s;touch-action:manipulation;-webkit-tap-highlight-color:transparent;cursor:pointer}@media (hover:hover) and (pointer:fine){
.nav ul a:hover{color:var(--text);background:rgba(255,255,255,.06)}}
.nav ul a.active{color:var(--text);background:rgba(139,123,255,.18);box-shadow:inset 0 0 0 1px rgba(139,123,255,.5)}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:12px;width:44px;height:44px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.menu-btn span{width:20px;height:2px;background:var(--text);transition:.3s}
.menu-check{position:absolute;opacity:0;width:1px;height:1px;clip:rect(0,0,0,0);clip-path:inset(50%);overflow:hidden;white-space:nowrap}
.menu-check:focus-visible + .menu-btn{outline:2px solid var(--gold);outline-offset:3px}
.menu-check:checked + .menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-check:checked + .menu-btn span:nth-child(2){opacity:0}
.menu-check:checked + .menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- BUTTONS AND TAGS ---------- */
.btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:999px;font-weight:600;font-size:1rem;font-family:var(--body);text-decoration:none;color:var(--text);border:1px solid var(--line);background:rgba(255,255,255,.04);cursor:pointer;transition:.3s}@media (hover:hover) and (pointer:fine){
.btn:hover{transform:translateY(-3px);border-color:var(--main)}}
.btn.primary{background:var(--grad);border:none;box-shadow:0 10px 30px rgba(139,123,255,.35)}@media (hover:hover) and (pointer:fine){
.btn.primary:hover{box-shadow:0 14px 40px rgba(139,123,255,.55)}}
.btn::after{content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.3),transparent);transform:skewX(-20deg)}@media (hover:hover) and (pointer:fine){
.btn:hover::after{left:130%;transition:.7s}}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.tag{display:inline-block;padding:5px 14px;border-radius:999px;font-size:.85rem;color:var(--gold);border:1px solid rgba(242,198,109,.35);background:rgba(242,198,109,.07)}
.tags{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- HOME: HERO ---------- */
.hero{display:grid;grid-template-columns:1.25fr .75fr;gap:50px;align-items:center;padding:80px 0 50px}
.hero-hi{color:var(--gold);font-weight:500;margin-bottom:10px}
.hero h1{font-size:clamp(2.6rem,7vw,5rem);font-weight:700;letter-spacing:-1.5px;
  background:linear-gradient(120deg,#fff 30%,var(--main2));-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:16px}
.hero-role{font-size:clamp(1.05rem,2.4vw,1.35rem);font-weight:600}
/* words change by themselves (the keyframes "wordShow" are made by the C++ program) */
.rotator{display:grid}
.rotator span{grid-area:1/1;opacity:0;animation:wordShow var(--total,12s) infinite}
.hero-text{color:var(--muted);max-width:520px;margin-top:14px}
.photo-wrap{position:relative;max-width:340px;margin:0 auto;animation:float 6s ease-in-out infinite}
.photo-frame{padding:3px;border-radius:26px;background:linear-gradient(135deg,var(--main),var(--main2),var(--gold),var(--main));background-size:300% 300%;animation:borderMove 6s linear infinite;box-shadow:0 20px 60px rgba(139,123,255,.3)}
.photo-frame img{border-radius:24px;width:100%;aspect-ratio:4/5;object-fit:cover;background:#fff}
.photo-badge{position:absolute;left:-26px;bottom:26px;display:flex;align-items:center;gap:10px;padding:10px 18px;border-radius:14px;background:rgba(14,12,26,.9);border:1px solid var(--line);font-size:.9rem;font-weight:600;backdrop-filter:blur(8px)}
.photo-badge::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px var(--gold);animation:pulse 1.6s infinite}

/* ---------- HOME: CHIP PANEL ---------- */
.chip-panel{display:grid;grid-template-columns:1.6fr 1fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:linear-gradient(160deg,rgba(139,123,255,.08),rgba(255,255,255,.02))}
.chip-view{position:relative;padding:20px;display:grid;place-items:center;min-height:320px;
  background-image:linear-gradient(rgba(139,123,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(139,123,255,.07) 1px,transparent 1px);background-size:26px 26px}
.chip-label{position:absolute;top:16px;left:20px;font-size:.85rem;color:var(--gold)}
.chip-svg{width:100%;max-width:340px;height:auto;filter:drop-shadow(0 0 25px rgba(139,123,255,.35))}
.pin{fill:var(--gold)}
.trace{fill:none;stroke:var(--main);stroke-width:1.6;stroke-dasharray:5 9;animation:flow 2.5s linear infinite;opacity:.85}
.node{fill:var(--gold);animation:pulse 2s infinite}
.die{fill:#120f24;stroke:var(--main);stroke-width:2}
.die-inner{fill:none;stroke:rgba(139,123,255,.45);stroke-width:1}
.die-text{fill:#fff;font-family:var(--head);font-weight:700;font-size:38px;text-anchor:middle}
.die-sub{fill:var(--gold);font-family:var(--head);font-size:11px;text-anchor:middle}
.chip-core{animation:chipGlow 2.4s ease-in-out infinite}
.chip-stats{border-left:1px solid var(--line)}
.stat{padding:26px 30px;border-bottom:1px solid var(--line)}
.stat:last-child{border-bottom:none}
.stat b{display:block;font-family:var(--head);font-size:2.4rem;line-height:1.1}
.stat span{color:var(--muted);font-size:.95rem}

/* ---------- SECTIONS ---------- */
.section{padding:80px 0}
.section-head{margin-bottom:38px;max-width:640px}
.section-head h2{font-size:clamp(1.9rem,4.5vw,2.8rem);letter-spacing:-.5px;margin-bottom:10px}
.section-head p{color:var(--muted)}
.page-hero{padding:80px 0 20px}
.page-hero h1{font-size:clamp(2.2rem,6vw,3.8rem);letter-spacing:-1px;margin-bottom:12px}
.page-hero p{color:var(--muted);max-width:620px}
.crumb{display:inline-block;color:var(--gold);text-decoration:none;font-size:.95rem;margin-bottom:18px}@media (hover:hover) and (pointer:fine){
.crumb:hover{text-decoration:underline}}
.grid{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:border-color .3s,box-shadow .3s,transform .3s}@media (hover:hover) and (pointer:fine){
.card:hover{border-color:rgba(139,123,255,.55);box-shadow:0 14px 40px rgba(139,123,255,.15);transform:translateY(-4px)}}@media (hover:hover) and (pointer:fine){
form.card:hover,.cv-card:hover,.side-box:hover{transform:none}}
.card h3{font-size:1.2rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.98rem}

/* interests strip */
.marquee{overflow:hidden;border-block:1px solid var(--line);padding:18px 0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee-track{display:flex;gap:16px;width:max-content;animation:scroll 32s linear infinite}@media (hover:hover) and (pointer:fine){
.marquee:hover .marquee-track{animation-play-state:paused}}
.marquee-track span{font-family:var(--head);font-size:1.25rem;padding:8px 24px;border-radius:999px;border:1px solid var(--line);background:var(--card);white-space:nowrap}
.interest .dot{display:block;width:34px;height:34px;margin-bottom:16px;border-radius:9px;border:2px solid var(--main);position:relative}
.interest .dot::after{content:"";position:absolute;inset:7px;border-radius:3px;background:var(--gold);opacity:.85}

/* ---------- PROJECT TILES ---------- */
.projects-grid{display:grid;gap:26px;grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
.tile{display:flex;flex-direction:column;text-decoration:none;color:inherit;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .3s,box-shadow .3s,transform .25s;transform-style:preserve-3d}@media (hover:hover) and (pointer:fine){
.tile:hover{border-color:rgba(139,123,255,.6);box-shadow:0 20px 50px rgba(139,123,255,.2);transform:translateY(-8px)}}
.tile-img{position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--img-bg)}
.tile-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}@media (hover:hover) and (pointer:fine){
.tile:hover .tile-img img{transform:scale(1.08)}}
.tile-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(7,6,13,.55))}
.tile-cat{position:absolute;z-index:2;top:14px;left:14px;padding:5px 14px;border-radius:999px;font-size:.82rem;font-weight:600;background:rgba(7,6,13,.8);color:var(--gold);border:1px solid rgba(242,198,109,.4)}
.tile-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.tile-body h3{font-size:1.3rem}
.tile-body p{color:var(--muted);font-size:.97rem;flex:1}
.more{color:var(--main2);font-weight:600;display:inline-flex;gap:8px;align-items:center}
.more b{transition:transform .3s}@media (hover:hover) and (pointer:fine){
.tile:hover .more b{transform:translateX(6px)}}

/* ---------- PROJECT DETAIL PAGE ---------- */
.detail{display:grid;grid-template-columns:1.4fr .6fr;gap:34px;align-items:start}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.gallery figure a{display:block;text-decoration:none;color:inherit}
.gallery figure{cursor:zoom-in;overflow:hidden;border-radius:16px;border:1px solid var(--line);background:var(--card)}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:contain;background:var(--img-bg);transition:transform .5s}@media (hover:hover) and (pointer:fine){
.gallery figure:hover img{transform:scale(1.05)}}
.gallery figcaption{padding:10px 14px;font-size:.9rem;color:var(--muted)}
.side-box{position:sticky;top:96px}
.side-box h3{margin:0 0 12px;font-size:1.05rem}
.side-box .tags{margin-bottom:24px}
.text-block{margin-top:34px}
.text-block p{color:var(--muted);margin-bottom:14px}
.text-block h2{font-size:1.6rem;margin:30px 0 14px}
.check li{position:relative;padding-left:30px;margin-bottom:10px;color:var(--text)}
.check li::before{content:"";position:absolute;left:0;top:9px;width:14px;height:8px;border-left:2px solid var(--gold);border-bottom:2px solid var(--gold);transform:rotate(-45deg)}
.pager{display:flex;justify-content:space-between;gap:16px;margin-top:60px;flex-wrap:wrap}
.pager a{flex:1;min-width:220px;text-decoration:none;padding:20px 24px;border-radius:var(--radius);border:1px solid var(--line);background:var(--card);transition:.3s}@media (hover:hover) and (pointer:fine){
.pager a:hover{border-color:var(--main);transform:translateY(-4px)}}
.pager small{display:block;color:var(--muted)}
.pager a.next{text-align:right}
/* big photo: opens with the #target trick, no JavaScript needed */
.lightbox{position:fixed;inset:0;z-index:500;background:var(--lightbox-bg);display:none;place-items:center;padding:24px;cursor:zoom-out;text-decoration:none;color:inherit}
.lightbox:target{display:grid;animation:pageIn .3s}
.lightbox img{max-height:80vh;border-radius:14px;background:#fff;margin:0 auto}
.lightbox p{text-align:center;margin-top:14px;color:var(--muted)}

/* ---------- ABOUT / EXPERIENCE ---------- */
.about{display:grid;grid-template-columns:.7fr 1.3fr;gap:50px;align-items:stretch}
.about-text{display:flex;flex-direction:column;justify-content:center}
/* the photo is always as tall as the about text: the text decides the height, the photo fills it */
.about-photo{position:relative;min-height:380px}
.about-photo .photo-frame{position:absolute;inset:0}
.about-photo .photo-frame img{display:block;height:100%;aspect-ratio:auto;object-position:50% 18%}
.about p{color:var(--muted);margin-bottom:16px}
.timeline{position:relative;margin-left:8px;padding-left:34px;border-left:2px solid var(--line)}
.t-item{position:relative;margin-bottom:26px}
.t-item::before{content:"";position:absolute;left:-43px;top:28px;width:16px;height:16px;border-radius:50%;background:var(--bg);border:3px solid var(--main);box-shadow:0 0 12px var(--main)}
.t-item .tag{margin-bottom:10px}
.t-item small{color:var(--gold)}
.skill-card h3{color:var(--gold);margin-bottom:14px}
.skill-card .tag{color:var(--text);border-color:var(--line);background:rgba(255,255,255,.05)}

/* ---------- CONTACT ---------- */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px}
.info-link{display:flex;gap:16px;align-items:center;text-decoration:none;padding:18px 20px;border-radius:16px;border:1px solid var(--line);background:var(--card);margin-bottom:14px;transition:.3s}@media (hover:hover) and (pointer:fine){
.info-link:hover{border-color:var(--main);transform:translateX(6px)}}
.info-link small{display:block;color:var(--muted)}
.info-link .go{flex:none;margin-left:auto;color:var(--muted);transition:.25s}@media (hover:hover) and (pointer:fine){
.info-link:hover .go{color:var(--gold);transform:translate(3px,-3px)}}
.info-link:focus-visible,.btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.info-link svg,.btn svg{display:block}
.info-link strong{word-break:break-word;font-weight:500}
.ico{flex:none;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(139,123,255,.15);color:var(--gold);font-family:var(--head);font-weight:700}
.cv-card .ico{margin:0 auto 14px}
.cv-card{margin-top:22px;text-align:center;border-color:rgba(242,198,109,.4);background:linear-gradient(160deg,rgba(242,198,109,.08),rgba(139,123,255,.06))}
.cv-card p{margin-bottom:18px}
form label{display:block;font-weight:500;margin-bottom:6px}
form input,form textarea{width:100%;padding:14px 16px;margin-bottom:18px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);font:inherit;transition:.25s}
form input:focus,form textarea:focus{outline:none;border-color:var(--main);box-shadow:0 0 0 4px rgba(139,123,255,.2)}
form textarea{min-height:170px;resize:vertical}
form ::placeholder{color:var(--muted);opacity:.65}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
label .req{color:var(--gold)}
.btn.block{width:100%;justify-content:center}
.contact h2{font-size:1.45rem;margin-bottom:6px}
.contact .lead{color:var(--muted);margin-bottom:22px}
.contact-form{display:flex;flex-direction:column}
.contact-form h2{margin-top:0}
.contact-form .grow{flex:1;display:flex;flex-direction:column}
.contact-form .grow textarea{flex:1}
.hp{display:none}
.sent-note{display:none;scroll-margin-top:100px;margin-bottom:20px;padding:14px 18px;border-radius:14px;border:1px solid rgba(242,198,109,.45);background:rgba(242,198,109,.08);color:var(--text)}
.sent-note:target{display:flex;gap:12px;align-items:flex-start;animation:pageIn .4s}
.sent-note .ok{flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--gold);color:#07060d;font-weight:700;font-size:.9rem}
.form-note{margin-top:14px}
.form-note a{color:var(--gold)}

/* ---------- FACTS, CAREER, ACADEMICS ---------- */
.section + .section{padding-top:0}
.facts{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.fact small{display:block;color:var(--gold);margin-bottom:6px;font-size:.9rem}
.fact strong{display:block;font-weight:500;line-height:1.5}
.t-item .org{color:var(--text);font-weight:500;margin-bottom:8px}
.t-item .check{margin-top:14px}
.t-item h4{font-size:1rem;margin:18px 0 10px;color:var(--gold)}
.recog .tag{margin-bottom:12px}
.recog .from{color:var(--gold);font-size:.95rem;margin-bottom:8px}

/* ---------- PUBLICATIONS ---------- */
.pub-grid{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(min(100%,380px),1fr))}
.pub{position:relative;overflow:hidden;display:flex;flex-direction:column;gap:12px}
.pub h3{margin-bottom:0}
.pub p{margin:0}
.pub-top{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.pub-type{display:inline-block;padding:5px 14px;border-radius:999px;font-size:.8rem;font-weight:600;letter-spacing:.4px;text-transform:uppercase}
.pub-type.conf{color:var(--main2);border:1px solid rgba(192,132,252,.45);background:rgba(139,123,255,.1)}
.pub-type.journal{color:#07060d;background:var(--gold)}
.pub-status{color:var(--muted);font-size:.9rem}
.pub-authors{color:var(--text) !important;font-weight:500}
.pub-venue{color:var(--gold) !important;font-size:.95rem}
.pub details{border-top:1px solid var(--line);padding-top:12px}
.pub summary{cursor:pointer;font-weight:600;color:var(--main2)}
.pub details p{margin-top:10px}
/* journal papers look different: gold frame, gold bar on the side, bigger title */
.pub.journal{border-color:rgba(242,198,109,.55);background:linear-gradient(160deg,rgba(242,198,109,.11),rgba(139,123,255,.07));box-shadow:0 14px 44px rgba(242,198,109,.1);padding-left:34px}
.pub.journal::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:linear-gradient(180deg,var(--gold),var(--main2))}
.pub.journal h3{font-size:1.45rem;line-height:1.3}@media (hover:hover) and (pointer:fine){
.pub.journal:hover{border-color:var(--gold);box-shadow:0 18px 50px rgba(242,198,109,.2)}}

/* home page: 2 or 4 featured projects sit in two even columns */
.projects-grid.even{grid-template-columns:repeat(2,1fr)}
@media (max-width:700px){.projects-grid.even{grid-template-columns:1fr}}

/* ---------- FOOTER ---------- */
.cta{text-align:center;padding:60px 30px;border-radius:28px;border:1px solid var(--line);background:linear-gradient(160deg,rgba(139,123,255,.16),rgba(242,198,109,.05));margin-bottom:10px}
.cta h2{font-size:clamp(1.7rem,4vw,2.5rem);margin-bottom:10px}
.cta p{color:var(--muted);max-width:520px;margin:0 auto}
.cta .btn-row{justify-content:center}
.footer{margin-top:80px;border-top:1px solid var(--line);background:linear-gradient(180deg,#0a0913,#05040a);position:relative}
.footer::before{content:"";position:absolute;top:-1px;left:10%;right:10%;height:1px;background:linear-gradient(90deg,transparent,var(--main),var(--gold),var(--main),transparent)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px}
.footer h4{font-family:var(--head);font-size:1.05rem;margin-bottom:16px}
.footer p{color:var(--muted);font-size:.95rem;max-width:320px;margin-top:14px}
.footer li{margin-bottom:9px}
.footer li a{color:var(--muted);text-decoration:none;font-size:.95rem;transition:.25s}@media (hover:hover) and (pointer:fine){
.footer li a:hover{color:var(--gold);padding-left:5px}}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;padding:22px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}
.to-top{display:inline-block;text-decoration:none;cursor:pointer;background:none;border:1px solid var(--line);color:var(--text);border-radius:999px;padding:8px 18px;font:inherit;font-size:.9rem;transition:.3s}@media (hover:hover) and (pointer:fine){
.to-top:hover{border-color:var(--gold);color:var(--gold)}}

/* ---------- ANIMATIONS ---------- */
/* slide-in when scrolling (browsers that do not know it just show everything) */
@supports (animation-timeline:view()){
  .reveal{animation:revealIn linear backwards;animation-timeline:view();animation-range:entry 0% entry 45%}
}
@keyframes revealIn{from{opacity:0;transform:translateY(34px)}to{opacity:1;transform:none}}
@keyframes pageIn{from{opacity:0}to{opacity:1}}
@keyframes loaderOut{to{opacity:0;visibility:hidden}}
@keyframes fillBar{to{width:100%}}
@keyframes grow{to{transform:scaleX(1)}}
@keyframes float{50%{transform:translateY(-12px)}}
@keyframes pulse{50%{opacity:.35;transform:scale(.8)}}
@keyframes flow{to{stroke-dashoffset:-56}}
@keyframes scroll{to{transform:translateX(-50%)}}
@keyframes borderMove{to{background-position:300% 0}}
@keyframes pinOn{50%{opacity:1;box-shadow:0 0 12px var(--gold)}}
@keyframes chipGlow{50%{box-shadow:0 0 34px rgba(139,123,255,.55)}}

/* ---------- RESPONSIVE ---------- */
@media (max-width:900px){
  .hero,.about,.contact,.detail{grid-template-columns:1fr}
  .hero{padding-top:50px}
  .photo-wrap{order:-1;max-width:260px}
  .about-photo{order:-1;min-height:0;aspect-ratio:4/5;width:min(100%,280px);margin:0 auto}
  .photo-badge{left:50%;transform:translateX(-50%);bottom:-16px;white-space:nowrap}
  .chip-panel{grid-template-columns:1fr}
  .chip-stats{border-left:none;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr)}
  .stat{border-bottom:none;border-right:1px solid var(--line);padding:20px}
  .stat:last-child{border-right:none}
  .side-box{position:static}
  .footer-top{grid-template-columns:1fr 1fr}
}
/* (the phone menu rules are made by the C++ program, see navCss() in layout.h) */
@media (max-width:760px){
  .section{padding:56px 0}
}
@media (max-width:520px){
  body{font-size:16px}
  .form-row{grid-template-columns:1fr}
  .info-link{padding:16px;gap:14px}
  .info-link .go{display:none}
  .footer-top{grid-template-columns:1fr;gap:30px}
  .footer-bottom{justify-content:center;text-align:center}
  .projects-grid{grid-template-columns:1fr}
  .chip-stats{grid-template-columns:1fr}
  .stat{border-right:none;border-bottom:1px solid var(--line)}
  .gallery{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .reveal{animation:none}
  #loader{display:none}
}

@media (max-width:1000px){
  .nav-in{justify-content:flex-start;gap:8px}
  .menu-btn{display:flex;order:-2;flex-shrink:0;-webkit-tap-highlight-color:transparent;touch-action:manipulation;user-select:none;-webkit-user-select:none}
  .logo{order:-1;flex:1;text-align:center}
  .mode-toggle-desktop{display:none}
  .mode-toggle-mobile{display:flex;order:10;margin-left:auto;flex-shrink:0}
  .nav nav{position:absolute;top:70px;left:0;right:0;background:var(--nav-bg-mobile);border-bottom:1px solid var(--line);visibility:hidden;opacity:0;transform:translateY(-14px) scaleY(.96);transform-origin:top;box-shadow:0 24px 40px rgba(0,0,0,.25);transition:opacity .28s ease,transform .32s cubic-bezier(.22,1,.36,1),visibility 0s linear .32s}
  .menu-check:checked ~ nav{visibility:visible;opacity:1;transform:none;transition:opacity .28s ease,transform .32s cubic-bezier(.22,1,.36,1),visibility 0s}
  .nav ul{flex-direction:column;padding:12px 4%}
  .nav ul a{display:flex;align-items:center;min-height:48px;padding:12px 18px}
  .nav ul a{display:flex;align-items:center;min-height:46px;padding:10px 16px}
}

@keyframes wordShow{
0%{opacity:0;transform:translateY(10px)}
2.500000%{opacity:1;transform:none}
21.250000%{opacity:1;transform:none}
25.000000%{opacity:0;transform:translateY(-10px)}
100%{opacity:0}
}

/* Original colors, rounded shapes, loading animation and photograph borders preserved. */
html{scroll-padding-top:92px}.hero h1{font-size:clamp(2.8rem,6vw,4.75rem);line-height:1.08}.hero-text{line-height:1.85}.section-head{margin-bottom:32px}
.page-hero{position:relative;padding-bottom:32px}.page-hero:after{content:"";display:block;margin-top:28px;width:64px;height:2px;background:linear-gradient(90deg,var(--gold),var(--main))}.page-hero p{max-width:720px;line-height:1.8}
.card,.tile{background:linear-gradient(145deg,rgba(139,123,255,.065),rgba(255,255,255,.025));box-shadow:0 8px 28px rgba(0,0,0,.12);transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}@media (hover:hover) and (pointer:fine){.card:hover,.tile:hover{box-shadow:0 16px 40px rgba(0,0,0,.22)}}
.tile{display:flex;flex-direction:column}.tile h3{line-height:1.35;font-size:1.3rem}.tile-body{padding:28px;display:flex;flex-direction:column;flex:1}.tile-body p{line-height:1.8;margin-bottom:22px}.tile .more{margin-top:auto}.tile-img{background:var(--img-bg)}.tile-img img{object-fit:contain;aspect-ratio:16/10;width:100%;height:auto}.tile-cat{top:auto;bottom:16px}
.gallery figure img{object-fit:contain;background:var(--img-bg);max-height:650px;width:100%}.gallery figure figcaption{font-size:.9rem;line-height:1.6}.text-block p{max-width:72ch;line-height:1.85}
.recog{position:relative;overflow:hidden;border-top:2px solid rgba(242,198,109,.5);padding:32px}.recog:after{content:"";position:absolute;right:-40px;top:-50px;width:140px;height:140px;background:radial-gradient(circle,rgba(242,198,109,.09),transparent 70%);pointer-events:none}.recog h3{font-size:1.5rem;line-height:1.3;margin-bottom:16px}
.academic-spotlight{margin-top:32px}.award-summary{padding:40px;background:radial-gradient(ellipse at 95% 0,rgba(242,198,109,.08),transparent 60%),linear-gradient(135deg,rgba(139,123,255,.11),rgba(14,12,26,.8))}.eyebrow{font-size:.85rem;letter-spacing:.15em;color:var(--gold);display:block;margin-bottom:16px}.award-summary h2{font-size:clamp(1.7rem,4vw,2.5rem);margin-bottom:12px}.award-summary>p{color:var(--muted)}
.award-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}.award-metrics strong{display:block;color:var(--gold);font:600 1.3rem/1.4 var(--head)}.award-metrics span{display:block;color:var(--muted);font-size:.9rem;margin-top:8px}.fact strong{line-height:1.6;font-size:1.03rem}.about-text p{line-height:1.85}.t-item{border-left:2px solid rgba(139,123,255,.42)}.skill-card h3{padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:20px}
.pub.journal{border-color:rgba(242,198,109,.5);background:radial-gradient(ellipse at 100% 0,rgba(242,198,109,.11),transparent 70%),rgba(255,255,255,.035)}.pub.conf{border-color:rgba(139,123,255,.28)}.pub details summary{min-height:44px;cursor:pointer;padding:10px 0;color:var(--gold)}
.btn.primary{color:#141022;box-shadow:0 8px 24px rgba(139,123,255,.2)}.btn.cv-premium{border-color:rgba(242,198,109,.55);color:var(--gold);background:linear-gradient(125deg,rgba(242,198,109,.1),rgba(139,123,255,.08));box-shadow:inset 0 1px 0 rgba(255,255,255,.05)}.btn.cv-premium:before{content:"↓";font-size:1.25rem;line-height:1;margin-right:4px}@media (hover:hover) and (pointer:fine){.btn.cv-premium:hover{border-color:var(--gold);box-shadow:0 8px 28px rgba(242,198,109,.13)}}
.footer li a.footer-cv{display:inline-block;border:1px solid var(--line);padding:6px 12px;border-radius:999px}@media (hover:hover) and (pointer:fine){.footer li a.footer-cv:hover{padding-left:12px;border-color:var(--gold)}}.footer-top>*{min-width:0}.footer a,.info-link strong{overflow-wrap:anywhere}
.form-status:empty{display:none}.form-status{padding:16px;border:1px solid var(--line);border-radius:12px;margin-bottom:20px;line-height:1.6;color:var(--gold)}.form-status.error{color:#ffbbbb;border-color:rgba(255,150,150,.35)}.btn[disabled]{opacity:.6;cursor:wait;transform:none}.update-notice{position:fixed;bottom:20px;right:20px;z-index:300;background:var(--bg2);border:1px solid var(--gold);color:var(--text);padding:16px 20px;border-radius:20px;max-width:calc(100vw - 40px);cursor:pointer}
@keyframes revealIn{from{opacity:1;transform:translateY(18px)}to{opacity:1;transform:none}}@media (hover:hover) and (pointer:fine){
@media(hover:hover) and (prefers-reduced-motion:no-preference){.info-link:hover .ico{transform:rotate(-5deg)}}.ico{transition:transform .3s}@media (hover:hover) and (pointer:fine){.recog:hover{transform:translateY(-4px)}}}
@media(max-width:1000px){.nav ul a{padding:8px 10px}.footer-top{gap:24px}}@media(max-width:700px){.award-metrics{grid-template-columns:1fr;gap:20px}.award-summary{padding:28px}.page-hero{padding-top:48px}.hero{gap:32px}.tile-body{padding:24px}.hero h1{font-size:2.9rem}.footer li a{display:inline-flex;align-items:center;min-height:44px}.pub-top{flex-wrap:wrap}.pub h3{overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card,.tile,.ico{transition:none}.card:hover,.tile:hover,.recog:hover{transform:none}.rotator span{display:none}.rotator span:first-child{display:block;opacity:1}.photo-wrap,.photo-frame{animation:none}.reveal{opacity:1;transform:none}}

/* Contact delivery clarification; existing palette and button geometry retained. */
.contact-form{color-scheme:dark}
.delivery-note{font-size:.9rem;color:var(--muted);line-height:1.7;margin:0 0 20px;padding-left:14px;border-left:2px solid rgba(242,198,109,.45)}
.draft-tools[hidden]{display:none!important}
.draft-tools{padding:16px;margin-top:16px;border:1px solid var(--line);border-radius:12px;background:rgba(139,123,255,.035)}
.draft-tools p{font-size:.9rem;line-height:1.7;color:var(--muted);margin-top:12px;overflow-wrap:anywhere}
.draft-tools a{color:var(--gold)}
.contact-form input:-webkit-autofill,.contact-form textarea:-webkit-autofill{-webkit-text-fill-color:var(--text);-webkit-box-shadow:0 0 0 1000px #151222 inset;caret-color:var(--text)}

/* The card feature is scoped; the original project/photo styling stays unchanged. */
.profile-card-feature{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center;padding:32px}
.profile-card-feature h2{font-size:1.8rem;margin:8px 0 14px}
.profile-card-feature p:not(.card-eyebrow){color:var(--muted);line-height:1.8}
.card-eyebrow{color:var(--gold);font-size:.8rem;letter-spacing:.14em}
.card-preview{display:block;border-radius:16px;overflow:hidden;border:1px solid rgba(139,123,255,.3);transition:transform .3s}@media (hover:hover) and (pointer:fine){
.card-preview:hover{transform:translateY(-3px)}}
.card-preview img{display:block;width:100%;height:auto}
.profile-card-sides{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.profile-card-sides figure{margin:0;min-width:0}
.profile-card-sides img{width:100%;height:auto;display:block;border:1px solid rgba(139,123,255,.3);border-radius:16px}
.profile-card-sides figcaption,.card-view-note{color:var(--muted);font-size:.95rem;line-height:1.7;margin-top:16px}
@media(max-width:760px){.profile-card-feature,.profile-card-sides{grid-template-columns:1fr}.profile-card-feature{padding:22px;gap:24px}.profile-card-feature h2{font-size:1.55rem}.profile-card-feature .btn-row{gap:12px}.profile-card-feature .btn{flex:1;text-align:center}}
@media(prefers-reduced-motion:reduce){.card-preview{transition:none}.card-preview:hover{transform:none}}

@media(max-width:480px){.profile-card-feature .btn-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.profile-card-feature .btn{min-height:50px;padding:14px 10px;font-size:14px;white-space:nowrap}}

/* Footer components: shared geometry, branded LinkedIn and distinct CV emphasis. */
.footer a.footer-link{display:flex;align-items:center;gap:8px;width:100%;min-height:44px;padding:9px 12px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.025);font-size:.875rem;line-height:1.5;color:var(--muted);text-decoration:none;box-sizing:border-box;transition:border-color .2s,background .2s}@media (hover:hover) and (pointer:fine){
.footer li a.footer-link:hover{padding-left:12px;border-color:var(--main);color:var(--text);background:rgba(139,123,255,.07)}}
.footer a.footer-link:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.footer a.footer-link.footer-linkedin{background:#0a66c2;border-color:#0a66c2;color:#fff}
.linkedin-mark{font:bold 17px/1 Arial,sans-serif;letter-spacing:-1px}
.footer a.footer-link.footer-cv{border-color:rgba(242,198,109,.6);color:var(--gold);background:linear-gradient(125deg,rgba(242,198,109,.1),rgba(139,123,255,.08));border-radius:12px;padding:9px 12px}
.footer .footer-bottom a.footer-link{width:auto;justify-content:center}
.footer .footer-top ul{display:grid;gap:10px}.footer .footer-top li{margin:0}.footer .footer-top>div:first-child p{font-size:.92rem;line-height:1.8}
.btn[hidden]{display:none!important}

/* Chip remains visually familiar, now a keyboard-operable entry to the sourced history. */
button.chip-view{appearance:none;-webkit-appearance:none;background-color:transparent;color-scheme:dark;width:100%;border:0;color:inherit;font:inherit;cursor:pointer;text-align:left}
.chip-history-hint{position:absolute;right:20px;bottom:16px;color:var(--muted);font-size:.875rem;display:flex;gap:10px;align-items:center}
.chip-history-hint span{color:var(--gold)}@media (hover:hover) and (pointer:fine){
.chip-history-trigger:hover .chip-history-hint{color:var(--text)}}
.chip-history-trigger:focus-visible{outline:3px solid var(--gold);outline-offset:-4px}
.history-dialog{padding:0;margin:auto;width:min(1100px,calc(100% - 32px));max-width:1100px;max-height:calc(100dvh - 32px);border:1px solid var(--dlg-border);border-radius:24px;background:var(--dlg-bg);color:var(--dlg-text);box-shadow:var(--dlg-shadow);overflow:hidden}
.history-dialog::backdrop{background:var(--dlg-backdrop);backdrop-filter:blur(8px)}
.story-shell{display:flex;flex-direction:column;max-height:calc(100dvh - 34px)}
.story-header{display:flex;justify-content:space-between;gap:24px;padding:28px 32px 20px;border-bottom:1px solid var(--line)}
.story-eyebrow{font-size:.75rem;letter-spacing:.15em;color:var(--gold);margin-bottom:6px}
.story-header h2{font-size:2rem;line-height:1.2;margin-bottom:7px}
.story-header p:last-child{color:var(--muted);font-size:.95rem}
.story-close{flex:0 0 44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--dlg-soft);color:var(--dlg-text);font-size:28px;cursor:pointer}
.story-chapters{flex-shrink:0;display:flex;gap:8px;padding:14px 32px;border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:thin}
.story-chapters button{border:1px solid var(--line);padding:10px 13px;min-height:44px;border-radius:10px;background:transparent;color:var(--muted);white-space:nowrap;font:inherit;font-size:.875rem;cursor:pointer}
.story-chapters button[aria-current=step]{color:var(--on-gold);background:var(--gold);border-color:var(--gold)}
.story-body{display:grid;grid-template-columns:1fr 1.12fr;gap:32px;padding:28px 32px;overflow:auto;min-height:0}
.story-visual{margin:0;align-self:start;min-width:0;background:var(--dlg-visual);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.story-visual svg{display:block;width:100%;height:auto;animation:story-arrive .6s ease both}
.story-visual figcaption{padding:14px 16px;color:var(--muted);font-size:.875rem;border-top:1px solid var(--line);line-height:1.5}
.story-visual text{fill:var(--sv-text);font-family:Arial,sans-serif;font-size:12px;letter-spacing:.1px}
.story-visual .v-purple{fill:var(--sv-purple-fill);stroke:var(--sv-purple-stroke);stroke-width:1.6}
.story-visual .v-gold{fill:var(--sv-gold-fill);stroke:var(--sv-gold-stroke);stroke-width:1.6}
.story-visual .v-oxide{fill:var(--sv-oxide-fill);fill-opacity:.65;stroke:var(--sv-oxide-stroke);stroke-width:2}
.story-visual .v-grid{fill:none;stroke:var(--sv-purple-stroke);stroke-width:1.3}
.story-visual .v-wire{fill:none;stroke:var(--sv-gold-stroke);stroke-width:2;stroke-dasharray:7 5;animation:story-flow 3s linear infinite}
.story-visual .v-mirror{fill:none;stroke:var(--sv-accent);stroke-width:7;stroke-linecap:round}
.story-visual .v-carrier{fill:var(--sv-gold-stroke);animation:story-carrier 3s ease-in-out infinite}
.story-shell[data-playing=false] .story-visual .v-wire,.story-shell[data-playing=false] .story-visual .v-carrier{animation-play-state:paused}
.story-copy{min-width:0}
.story-era{font-family:var(--head);font-size:1.4rem;color:var(--gold);margin-bottom:8px}
.story-copy h3{font-size:1.8rem;line-height:1.25;letter-spacing:-.5px;margin-bottom:16px}
#history-body{font-size:1rem;line-height:1.8;color:var(--dlg-body)}
.story-note{border-left:2px solid var(--gold);padding:12px 16px;margin:20px 0;background:#f2c66d08;color:var(--muted);font-size:.875rem;line-height:1.7}
.story-sources{display:flex;flex-direction:column;gap:8px}
.story-sources a{font-size:.875rem;color:var(--main2);line-height:1.5;padding:8px 0;min-height:44px;text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}
.story-controls{padding:0 32px 18px;border-top:1px solid var(--line);background:var(--dlg-bar);flex-shrink:0}
.story-progress{height:3px;background:var(--dlg-track);margin:0 -32px 16px}
.story-progress span{display:block;height:100%;background:linear-gradient(90deg,var(--main),var(--gold));transition:width .4s ease}
.story-control-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.story-playback{display:flex;gap:8px}
.story-playback button{height:44px;min-width:44px;border:1px solid var(--line);border-radius:10px;background:var(--dlg-soft);color:var(--dlg-text);padding:8px 12px;cursor:pointer;font:inherit}
.story-playback #history-play{min-width:86px;background:var(--main);color:var(--on-main);border-color:var(--main);font-weight:600}
.story-playback button:disabled{opacity:.35;cursor:default}
.story-counter,.story-pace{font-size:.875rem;color:var(--muted)}
.story-pace{display:flex;align-items:center;gap:8px}
.story-pace select{font:inherit;background:var(--dlg-soft);color:var(--dlg-text);border:1px solid var(--line);border-radius:10px;min-height:44px;padding:8px}
.story-footnote{font-size:.875rem;line-height:1.5;color:var(--muted);margin-top:12px}
.history-dialog button:focus-visible,.history-dialog a:focus-visible,.history-dialog select:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
@keyframes story-arrive{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes story-flow{to{stroke-dashoffset:-48}}
@keyframes story-carrier{to{transform:translateX(330px)}}
@media(max-width:760px){.history-dialog{width:calc(100% - 24px);max-height:calc(100dvh - 24px);border-radius:20px}.story-shell{max-height:calc(100dvh - 26px)}.story-header{padding:20px;gap:16px}.story-header h2{font-size:1.6rem}.story-eyebrow{font-size:.65rem;letter-spacing:.1em}.story-chapters{padding:12px 20px}.story-body{display:flex;flex-direction:column;gap:16px;padding:20px}.story-copy{display:contents}.story-body > *,.story-copy > *{flex-shrink:0}#history-year{order:0;margin:0}.story-copy h3{order:1;margin:0}.story-visual{order:2}#history-body{order:3}.story-note{order:4;margin:0}.story-sources{order:5}.story-visual svg{max-height:180px}.story-copy h3{font-size:1.5rem}.story-controls{padding:0 20px 16px}.story-progress{margin:0 -20px 12px}.story-counter{margin-left:auto}.story-pace{width:100%;justify-content:space-between}.story-footnote{font-size:.8rem}}
@media(prefers-reduced-motion:reduce){.history-dialog *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Confirmation is opt-in, dark themed and deliberately defaults to staying on Home. */
.history-confirmation{padding:0;margin:auto;width:min(540px,calc(100% - 32px));max-height:calc(100dvh - 32px);overflow:auto;background:var(--dlg-bg);color:var(--dlg-text);border:1px solid var(--dlg-border);border-radius:24px;box-shadow:var(--dlg-shadow);color-scheme:var(--scheme)}
.history-confirmation::backdrop{background:var(--dlg-backdrop);backdrop-filter:blur(6px)}
.history-confirm-content{padding:32px}
.history-confirm-content h2{font-size:1.8rem;line-height:1.25;margin:12px 0 16px}
.history-confirm-content>p:not(.story-eyebrow){font-size:1rem;line-height:1.8;color:var(--dlg-muted)}
.history-confirm-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.history-confirm-actions button{flex:1;min-height:48px;padding:12px 16px;border:1px solid var(--dlg-border);border-radius:12px;background:var(--dlg-soft);color:var(--dlg-text);font:inherit;cursor:pointer}
.history-confirm-actions #history-confirm-yes{background:var(--main);border-color:var(--main);color:var(--on-main);font-weight:600}
.history-confirm-actions button:focus-visible{outline:2px solid #f2c66d;outline-offset:3px}
/* Restrained animated technical storytelling: conceptual motion, not simulated measurements. */
.story-visual{background:var(--dlg-visual-grad);box-shadow:inset 0 1px 0 rgba(255,255,255,.02)}
.story-visual svg{isolation:isolate}
.story-visual .v-guide{fill:none;stroke:var(--sv-purple-stroke);stroke-opacity:.10;stroke-width:1;stroke-dasharray:2 8}
.story-visual .v-orbit{transform-origin:200px 170px;animation:story-orbit 18s linear infinite}
.story-visual .v-orbit path{fill:none;stroke:var(--sv-accent);stroke-width:1.4;opacity:.28;stroke-linecap:round}
.story-visual .v-signal{fill:#f2c66d;stroke:#f2c66d44;stroke-width:4;filter:drop-shadow(0 0 3px #f2c66d88)}
.story-visual .v-layer{animation:story-layer 6s ease-in-out infinite;animation-delay:var(--layer-delay,0s)}
.story-shell[data-playing=false] .v-orbit,.story-shell[data-playing=false] .v-layer{animation-play-state:paused}
.story-stage-strip{display:flex;gap:8px;padding:16px 14px 0;flex-wrap:wrap}
.story-stage-strip span{font:14px/1.4 Arial,sans-serif;border:1px solid var(--dlg-line);color:var(--dlg-muted);border-radius:8px;padding:6px 9px;transition:color .3s,border-color .3s,background .3s}
.story-stage-strip span[data-active=true]{color:var(--gold);border-color:rgba(242,198,109,.4);background:rgba(242,198,109,.06)}
.story-stage-explanation{padding:12px 16px 16px;color:var(--dlg-body);font-size:14px;line-height:1.7;min-height:74px}
.story-deeper{margin:20px 0 0;border:1px solid var(--dlg-line);border-radius:12px;background:var(--dlg-soft);padding:0 16px}
.story-deeper summary{cursor:pointer;min-height:48px;line-height:1.6;display:list-item;padding:12px 0;font-size:14px;color:var(--gold)}
.story-deeper ul{margin:2px 0 16px;padding-left:18px;font-size:15px;color:var(--dlg-body);line-height:1.8}
.story-deeper li+li{margin-top:12px}
.story-deeper summary:focus-visible{outline:2px solid #f2c66d;outline-offset:2px}
.history-dialog{color-scheme:var(--scheme)}
@keyframes story-orbit{to{transform:rotate(360deg)}}
@keyframes story-layer{0%,100%{stroke-opacity:.7}50%{stroke-opacity:1;filter:drop-shadow(0 0 2px #8b7bff33)}}
@media(max-width:760px){.history-confirm-content{padding:24px}.history-confirm-content h2{font-size:1.5rem}.history-confirm-actions{flex-direction:column}.story-deeper{order:4;margin:0}.story-note{order:5}.story-sources{order:6}.story-visual{width:100%;align-self:stretch}.story-stage-strip{gap:6px}.story-stage-strip span{font-size:14px;padding:5px 8px}.story-stage-explanation{min-height:0}.story-footnote{font-size:14px}}
@media(prefers-reduced-motion:reduce){.history-dialog .v-orbit,.history-dialog .v-layer{animation:none!important}.story-stage-strip span{transition:none}.history-confirmation *{transition:none}}

/* True selectable scenes: 33 distinct SVG explanations, animated by a paused/visible-aware clock. */
.story-visual svg{animation:none!important;opacity:1}
.story-visual .sv-purple{fill:var(--sv-purple-fill);stroke:var(--sv-purple-stroke);stroke-width:2}
.story-visual .sv-gold{fill:var(--sv-gold-fill);stroke:var(--sv-gold-stroke);stroke-width:2}
.story-visual .sv-oxide{fill:var(--sv-oxide-fill);stroke:var(--sv-oxide-stroke);stroke-width:2}
.story-visual .sv-grid{fill:none;stroke:var(--sv-purple-stroke);stroke-width:1.6}
.story-visual .sv-wire{fill:none;stroke:var(--sv-gold-stroke);stroke-width:2.2;stroke-dasharray:7 5}
.story-visual .sv-trace,.story-visual .sv-gate{fill:none;stroke:var(--sv-gold-stroke);stroke-width:3;stroke-linecap:round}
.story-visual .sv-gate{stroke:var(--sv-accent);stroke-width:5}
.story-visual .sv-channel{fill:none;stroke:var(--sv-accent);stroke-width:6}
.story-visual .sv-mirror{fill:none;stroke:var(--sv-accent);stroke-width:8;stroke-linecap:round}
.story-visual .sv-scan{fill:none;stroke:var(--sv-accent);stroke-width:4;filter:drop-shadow(0 0 5px rgba(192,132,252,.35))}
.story-visual .sv-ring{fill:none;stroke:var(--sv-gold-stroke);stroke-width:3}
.story-visual .sv-dot{fill:var(--sv-gold-stroke);filter:drop-shadow(0 0 4px rgba(242,198,109,.4))}
.story-visual text{font-size:18px;fill:var(--sv-text);font-family:Arial,sans-serif;letter-spacing:0}
.story-scene-hint{font-size:14px;color:var(--dlg-muted);line-height:1.7;padding:16px 16px 0;margin:0}
.story-stage-strip{display:flex;flex-wrap:wrap;gap:8px;padding:12px 16px 0}
.story-stage-strip button{flex:1;min-width:80px;min-height:44px;cursor:pointer;font:14px/1.4 Arial,sans-serif;padding:9px 12px;border:1px solid var(--dlg-line);border-radius:10px;background:var(--dlg-soft);color:var(--dlg-body)}@media (hover:hover) and (pointer:fine){
.story-stage-strip button:hover{border-color:var(--sv-accent);background:var(--dlg-soft2)}}
.story-stage-strip button[data-active=true]{color:var(--on-gold);background:var(--gold);border-color:var(--gold);font-weight:700}
.story-stage-strip button:focus-visible{outline:2px solid #c084fc;outline-offset:3px}
.story-scene-title{font-size:17px;line-height:1.5;color:var(--dlg-text);padding:18px 16px 0;margin:0}
.story-stage-explanation{font-size:15px;line-height:1.8;padding:10px 16px 18px;margin:0;min-height:0}
.story-auto{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--dlg-muted);min-height:44px;cursor:pointer}
.story-auto input{width:18px;height:18px;accent-color:var(--gold);cursor:pointer}
.story-control-row{flex-wrap:wrap}
.story-counter{font-size:14px}
@media(max-width:760px){.story-visual svg{max-height:280px}.story-visual text{font-size:20px}.story-stage-strip{padding:12px 12px 0;gap:6px}.story-stage-strip button{padding:8px 6px}.story-auto{width:100%}.story-scene-title{font-size:17px}.story-playback{flex-shrink:0}.story-counter{font-size:14px;margin-left:0}.story-control-row{gap:12px}}

@media(max-width:760px){.story-counter{margin-left:auto}.story-auto{width:auto;flex:1}.story-pace{width:auto;flex:1;gap:8px;justify-content:flex-end}.story-pace select{max-width:140px}.story-footnote{font-size:14px;margin-top:10px}.story-control-row{gap:10px}.story-scene-hint{padding-top:12px}}

/* Light-mint and system theme – see themes/theme-transition.css */