/* ============================================================
   anujvaishnav.com
   Tokens -> base -> layout -> components -> blog -> responsive
   ============================================================ */

/* ─────────── tokens ─────────── */
:root{
  --bg:#ffffff; --panel:#fafafa; --fg:#16181d; --fg-soft:#565c66; --fg-dim:#6b7280;
  --rule:#e6e7ea; --accent:#1f4b99; --accent-bg:#eef3fb;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --max:54rem;                    /* 864px shell -> 784px measure */
  --pad:clamp(1.15rem,4vw,2.5rem);
  --nav-h:58px;
}
/* Blog posts read at a narrower measure than the homepage. Scoped to the
   content column so the nav and footer stay put between pages. */
.layout-post main.wrap{max-width:48rem}

@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0e1013; --panel:#14171c; --fg:#e4e7ec; --fg-soft:#98a0ac; --fg-dim:#7b8492;
    --rule:#20242b; --accent:#87b0ec; --accent-bg:#151d2b;
  }
}
:root[data-theme="dark"]{
  --bg:#0e1013; --panel:#14171c; --fg:#e4e7ec; --fg-soft:#98a0ac; --fg-dim:#7b8492;
  --rule:#20242b; --accent:#87b0ec; --accent-bg:#151d2b;
}

/* ─────────── base ─────────── */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--nav-h) + 1rem);
}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font-family:var(--sans);font-size:17px;line-height:1.62;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-wrap:break-word;
}
img,svg,video{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:600}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}
.skip{position:absolute;left:-9999px}
.skip:focus{
  left:1rem;top:1rem;position:fixed;z-index:99;background:var(--bg);
  padding:.6rem 1rem;border:1px solid var(--rule);border-radius:6px;
}
.wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--pad)}
.visually-hidden{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ─────────── nav ─────────── */
.nav{position:sticky;top:0;z-index:40;background:var(--bg);border-bottom:1px solid var(--rule)}
@supports (backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px)){
  @supports (background:color-mix(in srgb,#fff 86%,transparent)){
    .nav{
      background:color-mix(in srgb,var(--bg) 86%,transparent);
      -webkit-backdrop-filter:saturate(180%) blur(12px);
      backdrop-filter:saturate(180%) blur(12px);
    }
  }
}
.nav-in{
  max-width:var(--max);margin:0 auto;padding-inline:var(--pad);
  height:var(--nav-h);display:flex;align-items:center;gap:1.5rem;
}
.brand{
  font-family:var(--serif);font-size:1.05rem;font-weight:600;
  letter-spacing:-.015em;margin-right:auto;white-space:nowrap;
}
.links{display:flex;gap:1.4rem;align-items:center}
.links a{font-size:.855rem;color:var(--fg-soft);transition:color .15s;white-space:nowrap}
.links a:hover,.links a.on,.links a[aria-current="page"]{color:var(--accent)}
.ctrl{display:flex;gap:.4rem;align-items:center;flex:none}
.tog,.burger{
  background:none;border:1px solid var(--rule);color:var(--fg-soft);
  width:34px;height:34px;border-radius:8px;cursor:pointer;
  display:grid;place-items:center;padding:0;transition:.15s;flex:none;
}
.tog:hover,.burger:hover{color:var(--accent);border-color:var(--accent)}
.tog svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.burger svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round}
.burger{display:none}

/* sun/moon swap: show the icon for the theme you would switch TO */
:root:not([data-theme="dark"]) .i-sun{display:none}
:root[data-theme="dark"] .i-sun{display:block}
:root[data-theme="dark"] .i-moon{display:none}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .i-sun{display:block}
  :root:not([data-theme="light"]) .i-moon{display:none}
  :root[data-theme="light"] .i-sun{display:none}
  :root[data-theme="light"] .i-moon{display:block}
}
.burger .x{display:none}
.burger[aria-expanded="true"] .x{display:block}
.burger[aria-expanded="true"] .m{display:none}

.drawer{display:none;border-bottom:1px solid var(--rule);background:var(--bg)}
.drawer.open{display:block}
.drawer ul{max-width:var(--max);margin:0 auto;padding:.5rem var(--pad) 1rem}
.drawer a{
  display:block;padding:.62rem .1rem;font-size:.95rem;
  color:var(--fg-soft);border-bottom:1px solid var(--rule);
}
.drawer li:last-child a{border-bottom:0}
.drawer a:hover{color:var(--accent)}
@media (max-width:860px){
  .links{display:none}
  .burger{display:grid}
}
/* Above the burger breakpoint the drawer must never be visible, even if it was
   left open on a narrow window. `.drawer.open` is (0,2,0) so it must be named. */
@media (min-width:861px){
  .drawer,.drawer.open{display:none}
}

/* ─────────── hero ─────────── */
.hero{padding:clamp(2rem,6vw,4rem) 0 clamp(1.5rem,4vw,2.5rem)}
.hero-top{display:flex;gap:1.4rem;align-items:center;margin-bottom:1.4rem}
.hero .av{
  width:clamp(62px,13vw,82px);height:clamp(62px,13vw,82px);
  border-radius:50%;object-fit:cover;border:1px solid var(--rule);flex:none;
  background:#fff;
}
.hero h1{
  font-family:var(--serif);font-size:clamp(1.7rem,5.2vw,2.5rem);
  letter-spacing:-.02em;margin-bottom:.2rem;
}
.hero .role{color:var(--fg-soft);font-size:clamp(.88rem,2.4vw,1rem);margin:0}
.hero .role strong{color:var(--fg);font-weight:600}
.hero .bio{color:var(--fg-soft);font-size:clamp(.96rem,2.3vw,1.05rem)}
.hero .bio a{color:var(--accent);font-weight:500}
.hero .bio a:hover{text-decoration:underline}

.pills{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.4rem}
.pill{
  display:inline-flex;align-items:center;gap:.45rem;font-size:.845rem;font-weight:500;
  border:1px solid var(--rule);border-radius:8px;padding:.46rem .9rem;
  color:var(--fg-soft);transition:.15s;background:var(--panel);
}
.pill:hover{color:var(--accent);border-color:var(--accent)}
.pill svg{width:14px;height:14px;fill:currentColor;flex:none}
.pill.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.pill.primary:hover{color:#fff;filter:brightness(1.12)}
:root[data-theme="dark"] .pill.primary,
:root[data-theme="dark"] .pill.primary:hover{color:#0e1013}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .pill.primary,
  :root:not([data-theme="light"]) .pill.primary:hover{color:#0e1013}
}

/* ─────────── sections ─────────── */
.section{
  padding-bottom:clamp(1.9rem,4.5vw,2.8rem);
  margin-bottom:clamp(1.9rem,4.5vw,2.8rem);
  border-bottom:1px solid var(--rule);
}
.section:last-of-type{border-bottom:0;margin-bottom:0}
.sh{
  font-family:var(--serif);font-size:clamp(1.22rem,3.4vw,1.5rem);font-weight:600;
  letter-spacing:-.01em;margin-bottom:1.1rem;
  display:flex;align-items:baseline;gap:.7rem;flex-wrap:wrap;
}
.sh .more{
  margin-left:auto;font-family:var(--sans);font-size:.8rem;
  font-weight:500;color:var(--accent);
}
.sh .more:hover{text-decoration:underline}

/* ─────────── post card (homepage + blog index) ─────────── */
.post-card{
  display:block;border:1px solid var(--rule);border-radius:10px;
  padding:clamp(1rem,3vw,1.35rem);transition:.15s;background:var(--panel);
}
.post-card + .post-card{margin-top:.9rem}
.post-card:hover{border-color:var(--accent)}
.post-card .meta{font-size:.76rem;color:var(--fg-dim);margin-bottom:.35rem}
.post-card h2,.post-card h3{
  font-family:var(--serif);font-size:clamp(1.1rem,3vw,1.28rem);
  margin-bottom:.3rem;font-weight:600;line-height:1.25;
}
.post-card p{margin:0 0 .6rem;font-size:.9rem;color:var(--fg-soft);line-height:1.55}
.post-card .go{font-size:.83rem;color:var(--accent);font-weight:500}

/* ─────────── work ─────────── */
.work{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,20rem),1fr));gap:.9rem}
.work a{
  display:flex;gap:1rem;align-items:flex-start;border:1px solid var(--rule);
  border-radius:10px;padding:1rem;transition:.15s;min-width:0;
}
.work a:hover{border-color:var(--accent);background:var(--accent-bg)}
.work img{width:48px;height:48px;object-fit:contain;flex:none}
.work h3{font-size:.94rem;margin-bottom:.2rem}
.work p{margin:0;font-size:.82rem;color:var(--fg-soft);line-height:1.5}
:root[data-theme="dark"] .work img{filter:invert(.9) hue-rotate(180deg)}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .work img{filter:invert(.9) hue-rotate(180deg)}
}

/* ─────────── experience ─────────── */
.xp li{
  display:grid;grid-template-columns:8.5rem minmax(0,1fr);gap:1.1rem;
  padding:.72rem 0;border-bottom:1px solid var(--rule);
}
.xp li:first-child{padding-top:0}
.xp li:last-child{border-bottom:0;padding-bottom:0}
.xp .when{
  font-size:.78rem;color:var(--fg-dim);padding-top:.18rem;
  font-variant-numeric:tabular-nums;text-wrap:balance;
}
.xp h3{font-size:.94rem;margin-bottom:.1rem}
.xp .org{color:var(--fg-soft);font-weight:400}
.xp p{margin:0;font-size:.845rem;color:var(--fg-soft);line-height:1.5}
.xp a{color:var(--accent)}
.xp a:hover{text-decoration:underline}

/* ─────────── publications ─────────── */
.pubs{display:grid;grid-template-columns:3.6rem minmax(0,1fr);gap:0 1.1rem}
.pubs .yr{
  font-size:.82rem;font-weight:600;color:var(--fg-dim);
  padding-top:.72rem;font-variant-numeric:tabular-nums;
}
.pubs .yr:first-child{padding-top:0}
.pubs li{
  padding:.62rem 0;font-size:.875rem;line-height:1.55;
  color:var(--fg-soft);border-bottom:1px solid var(--rule);
}
.pubs ul:last-of-type li:last-child{border-bottom:0;padding-bottom:0}
.pubs .t{color:var(--fg);font-weight:500}
.pubs .me{color:var(--fg);font-weight:600}
.pubs a.doi{color:var(--accent);font-weight:500;white-space:nowrap}
.pubs a.doi:hover{text-decoration:underline}
.pubs-note{
  grid-column:1/-1;margin:1rem 0 0;font-size:.76rem;color:var(--fg-dim);
}
.badge{
  display:inline-block;font-size:.68rem;font-weight:600;background:var(--accent-bg);
  color:var(--accent);padding:.1em .5em;border-radius:4px;white-space:nowrap;
}

/* ─────────── plain + awards lists ─────────── */
.plain li{
  padding:.56rem 0;border-bottom:1px solid var(--rule);
  font-size:.885rem;color:var(--fg-soft);line-height:1.5;
}
.plain li:first-child{padding-top:0}
.plain li:last-child{border-bottom:0;padding-bottom:0}
.plain a{color:var(--accent)}
.plain a:hover{text-decoration:underline}
.aw li{padding:.85rem 0;border-bottom:1px solid var(--rule)}
.aw li:first-child{padding-top:0}
.aw li:last-child{border-bottom:0;padding-bottom:0}
.aw h3{font-size:.92rem;margin-bottom:.12rem}
.aw .when{font-size:.75rem;color:var(--fg-dim);display:block;margin-bottom:.22rem}
.aw p{margin:0;font-size:.84rem;color:var(--fg-soft);line-height:1.5}

/* ─────────── contact ─────────── */
.ct{font-size:.96rem;color:var(--fg-soft)}
.ct a{color:var(--accent);font-weight:500}
.ct a:hover{text-decoration:underline}
.ctlist{
  margin-top:1.1rem;display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,18rem),1fr));gap:.55rem;
}
.ctlist a{
  display:flex;align-items:center;gap:.6rem;border:1px solid var(--rule);
  border-radius:8px;padding:.62rem .9rem;font-size:.86rem;
  color:var(--fg-soft);transition:.15s;min-width:0;
}
.ctlist a span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ctlist a:hover{border-color:var(--accent);color:var(--accent)}
.ctlist svg{width:15px;height:15px;fill:currentColor;flex:none}

/* ─────────── footer ─────────── */
.footer{border-top:1px solid var(--rule);margin-top:clamp(2rem,5vw,3rem)}
.footer .wrap{
  display:flex;justify-content:space-between;gap:.8rem;flex-wrap:wrap;
  padding-block:1.4rem 2.6rem;font-size:.8rem;color:var(--fg-dim);
}
.footer a:hover{color:var(--accent)}

/* ============================================================
   Blog
   ============================================================ */

.page-head{padding:clamp(2rem,6vw,3.4rem) 0 clamp(1.2rem,3vw,1.8rem)}
.page-head h1{
  font-family:var(--serif);font-size:clamp(1.8rem,5vw,2.4rem);
  letter-spacing:-.02em;margin-bottom:.5rem;
}
.page-head p{color:var(--fg-soft);font-size:1rem;margin:0}
.page-head a{color:var(--accent);font-weight:500}
.page-head a:hover{text-decoration:underline}

/* ─────────── post page ─────────── */
.post-header{padding:clamp(1.8rem,5vw,3rem) 0 0}
.post-breadcrumb{font-size:.85rem;margin:0 0 1.6rem}
.post-breadcrumb a{color:var(--accent);font-weight:500}
.post-breadcrumb a:hover{text-decoration:underline}
.post-title{
  font-family:var(--serif);font-size:clamp(1.85rem,5.4vw,2.6rem);
  letter-spacing:-.02em;line-height:1.15;margin-bottom:.5rem;
}
.post-subtitle{
  font-family:var(--serif);color:var(--fg-soft);font-size:clamp(1rem,2.8vw,1.2rem);
  font-style:italic;line-height:1.5;margin-bottom:1.1rem;
}
.post-meta{
  border-top:1px solid var(--rule);color:var(--fg-dim);font-size:.79rem;
  margin:0;padding-top:.9rem;display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;
}
.post-meta .sep{opacity:.55}
.post-tag{
  background:var(--accent-bg);color:var(--accent);font-weight:500;
  padding:.12em .55em;border-radius:4px;font-size:.72rem;
}

/* post body */
.post-content{padding-top:clamp(1.6rem,4vw,2.2rem);font-size:1.06rem;line-height:1.75}
.post-content > p:first-child{font-size:1.12rem}
.post-content p{margin:0 0 1.35em;color:var(--fg)}
.post-content a{color:var(--accent);font-weight:500;text-decoration:underline;text-underline-offset:2px}
.post-content a:hover{text-decoration-thickness:2px}
.post-content h2{
  font-family:var(--serif);font-size:1.6rem;letter-spacing:-.015em;
  border-top:1px solid var(--rule);margin:2.4em 0 .8em;padding-top:1.5rem;
}
.post-content h3{font-family:var(--serif);font-size:1.28rem;margin:2em 0 .6em}
.post-content h4{font-size:1.05rem;margin:1.8em 0 .5em}
.post-content strong{color:var(--fg);font-weight:600}
.post-content em{font-style:italic}
.post-content ul,.post-content ol{margin:0 0 1.35em;padding-left:1.4em}
.post-content ul{list-style:disc}
.post-content ol{list-style:decimal}
.post-content li{margin-bottom:.4em;padding-left:.2em}
.post-content li::marker{color:var(--fg-dim)}
.post-content hr{border:0;border-top:1px solid var(--rule);margin:2.5em 0}
.post-content img{border-radius:8px;border:1px solid var(--rule)}
.post-content blockquote{
  background:var(--panel);border-left:4px solid var(--accent);
  margin:0 0 1.5em;padding:1em 1.3em;border-radius:0 8px 8px 0;color:var(--fg);
}
.post-content blockquote p:last-child{margin-bottom:0}

/* inline code */
.post-content code{
  font-family:var(--mono);font-size:.86em;background:var(--panel);
  border:1px solid var(--rule);border-radius:5px;padding:.12em .38em;
}
/* code blocks and ASCII diagrams — tight leading so box-drawing
   characters join up vertically instead of showing gaps */
.post-content pre{margin:0 0 1.6em;max-width:100%}
.post-content pre code{
  display:block;background:var(--panel);border:1px solid var(--rule);
  border-radius:8px;padding:1.15rem 1.35rem;font-size:.8rem;line-height:1.3;
  overflow-x:auto;white-space:pre;
  -webkit-overflow-scrolling:touch;
}
.post-content .highlight{margin:0 0 1.6em}
.post-content .highlight pre{margin:0}
.post-content table{
  border-collapse:collapse;width:100%;margin:0 0 1.6em;font-size:.92rem;
  display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;
}
.post-content th,.post-content td{border:1px solid var(--rule);padding:.5em .7em;text-align:left}
.post-content th{background:var(--panel);font-weight:600}

/* post footer */
.post-footer{border-top:1px solid var(--rule);margin-top:2.5rem;padding-top:1.6rem}
.post-share{color:var(--fg-soft);font-size:.9rem}
.post-share a{color:var(--accent);font-weight:500}
.post-share a:hover{text-decoration:underline}
.post-nav{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,16rem),1fr));
  gap:.7rem;margin-top:1.4rem;
}
.post-nav a{
  border:1px solid var(--rule);border-radius:9px;padding:.8rem 1rem;
  transition:.15s;min-width:0;
}
.post-nav a:hover{border-color:var(--accent)}
.post-nav .post-nav-next{text-align:right}
.post-nav-label{
  color:var(--fg-dim);display:block;font-size:.72rem;
  letter-spacing:.09em;text-transform:uppercase;margin-bottom:.2rem;
}
.post-nav-title{color:var(--fg);display:block;font-size:.92rem;line-height:1.4}
.post-nav a:hover .post-nav-title{color:var(--accent)}

/* blog index list */
.post-list-date{
  color:var(--fg-dim);display:block;font-size:.76rem;margin-bottom:.3rem;
}
.post-list-subtitle{
  font-family:var(--serif);font-style:italic;color:var(--fg-soft);
  font-size:.95rem;margin:0 0 .4rem;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:560px){
  .xp li{grid-template-columns:minmax(0,1fr);gap:.15rem}
  .xp .when{padding-top:0;font-size:.74rem;letter-spacing:.03em}
  .pubs{grid-template-columns:minmax(0,1fr);gap:0}
  .pubs .yr{padding:1.1rem 0 .3rem;border-top:1px solid var(--rule)}
  .pubs .yr:first-child{border-top:0;padding-top:0}
  .post-nav .post-nav-next{text-align:left}
}
@media (max-width:420px){
  .hero-top{gap:1rem}
  .post-content pre code{font-size:.72rem;padding:.9rem 1rem}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

@media print{
  /* Reset the tokens themselves. Both selectors are needed: :root[data-theme]
     is (0,2,0) and would otherwise beat a bare :root. */
  :root,:root[data-theme="dark"],:root[data-theme="light"]{
    --bg:#fff; --panel:#fff; --fg:#000; --fg-soft:#333; --fg-dim:#555;
    --rule:#ccc; --accent:#000; --accent-bg:#fff;
  }
  .nav,.drawer,.footer,.pills,.ctlist,.post-nav,.skip{display:none!important}
  body{font-size:11pt;color:#000;background:#fff}
  a{color:#000}
  .section{break-inside:avoid}
}