/* ============================================================
   Soumyajit Das — Portfolio
   Design system: CALM NEOBRUTALISM v2
   Sharp corners · 2px ink borders · hard offset shadows
   Paper bg · Space Grotesk + Inter · generous whitespace
   Rules: fewer boxes, bigger type, perfect alignment
   ============================================================ */

/* ---------- 1. Font faces (local, metric-override fallbacks) ---------- */
@font-face{font-family:Inter;src:url(fonts/inter-var-latin.woff2) format("woff2");font-weight:400 700;font-style:normal;font-display:swap}
@font-face{font-family:Inter Fallback;src:local("Arial");size-adjust:105.31%;ascent-override:96.88%;descent-override:24.12%;line-gap-override:0%}
@font-face{font-family:"Space Grotesk";src:url(fonts/spacegrotesk-var-latin.woff2) format("woff2");font-weight:400 700;font-style:normal;font-display:swap}
@font-face{font-family:"Space Grotesk Fallback";src:local("Arial");size-adjust:96.45%;ascent-override:98.4%;descent-override:29.2%;line-gap-override:0%}

/* ---------- 2. Tokens ---------- */
:root{
  --font-body:"Inter","Inter Fallback",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-display:"Space Grotesk","Space Grotesk Fallback",var(--font-body);
  --bg:#FAF8F2;
  --surface:#FFFFFF;
  --surface-2:#F1EEE5;
  --ink:#101014;
  --muted:#50515C;
  --line:#101014;
  --line-soft:#E3DFCF;
  --accent:#2D4BFF;
  --accent-contrast:#FFFFFF;
  --yellow:#FFC700;
  --pink:#FF8AE2;
  --mint:#8CF5C0;
  --blue-soft:#E7EBFF;
  --sh-c:#101014;
  --sh-sm:3px 3px 0 var(--sh-c);
  --sh:4px 4px 0 var(--sh-c);
  --sh-lg:6px 6px 0 var(--sh-c);
  --dot:rgba(16,16,20,.12);
  --content-max:1152px;
  color-scheme:light;
}
[data-theme="dark"]{
  --bg:#131419;
  --surface:#1D1F26;
  --surface-2:#282B35;
  --ink:#F4F3EC;
  --muted:#A9ABB8;
  --line:#F4F3EC;
  --line-soft:#3A3D4A;
  --accent:#8B9BFF;
  --accent-contrast:#101014;
  --blue-soft:#2B3049;
  /* solid cream shadows — the dark-mode mirror of light mode's
     solid ink ones. Crisp, no blur, true neobrutalism. */
  --sh-c:#F4F3EC;
  --dot:rgba(244,243,236,.13);
  color-scheme:dark;
}

/* ---------- 3. Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* squared brutalist scrollbars (no radius) */
html{scrollbar-color:var(--muted) var(--bg)}
::-webkit-scrollbar{width:12px;height:12px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--surface-2);border:2px solid var(--ink)}
::-webkit-scrollbar-thumb:hover{background:var(--muted)}
::-webkit-scrollbar-corner{background:var(--bg)}
/* Round 13: no visible scrollbar in the sidebar — the menu is compact
   enough to fit common laptop heights, and on very short screens it
   still scrolls (wheel/touch), just without a visible track. */
.sidebar::-webkit-scrollbar{display:none}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:400 1rem/1.68 var(--font-body);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.12;letter-spacing:-.015em;margin:0 0 .55em}
p{margin:0 0 1em}
a{color:var(--accent);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:.18em}
a:hover{background:var(--yellow);color:#101014}
::selection{background:var(--yellow);color:#101014}
:focus-visible{outline:3px dashed var(--accent);outline-offset:3px}
.skip{
  position:absolute;left:12px;top:-60px;z-index:200;padding:.65rem 1.1rem;
  background:var(--yellow);color:#101014;border:2px solid #101014;font-weight:700;text-decoration:none;
  transition:top .2s ease;
}
.skip:focus{top:12px}
.icon{width:1.15em;height:1.15em;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.icon-fill{fill:currentColor;stroke:none}

/* ---------- 4. Shell layout ---------- */
.shell{display:grid;grid-template-columns:288px 1fr;min-height:100vh}

/* ---------- 5. Sidebar ---------- */
.sidebar{
  position:sticky;top:0;height:100vh;height:100dvh;
  display:flex;flex-direction:column;gap:1.05rem;
  padding:1.45rem 1.35rem 1.15rem;
  background:var(--surface);border-right:2px solid var(--line);
  overflow-y:auto;scrollbar-width:none;
}
.brand{display:flex;align-items:center;gap:.9rem;text-decoration:none;color:var(--ink);padding:.25rem .3rem}
.brand:hover{background:transparent}
.brand-mark{
  width:52px;height:52px;flex:none;display:grid;place-items:center;
  background:var(--ink);color:var(--bg);border:2px solid var(--line);box-shadow:var(--sh-sm);
  font:700 1.3rem/1 var(--font-display);letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-text strong{font:700 1.12rem var(--font-display);letter-spacing:-.01em}
.brand-text small{font:600 .75rem/1.35 var(--font-body);color:var(--muted);letter-spacing:.12em;text-transform:uppercase}
.nav{display:flex;flex-direction:column;gap:.3rem}
.nav-label{font:700 .75rem/1 var(--font-display);letter-spacing:.2em;text-transform:uppercase;color:var(--muted);padding:.3rem .65rem .45rem}
.nav a{
  display:flex;align-items:center;gap:.75rem;padding:.6rem .85rem;
  font:600 1rem var(--font-body);color:var(--ink);text-decoration:none;
  border:2px solid transparent;transition:background .15s ease,transform .15s ease,box-shadow .15s ease,border-color .15s ease;
}
.nav a::before{
  content:"";width:10px;height:10px;flex:none;
  border:2px solid var(--line);background:transparent;transition:background .15s ease;
}
.nav a:hover{background:var(--surface-2)}
.nav a:hover::before{background:var(--ink)}
.nav a[aria-current="page"]{
  background:var(--surface);border-color:var(--line);box-shadow:var(--sh-sm);
  transform:translate(-2px,-2px);
}
[data-theme="dark"] .nav a[aria-current="page"]{background:var(--surface-2)}
.nav a[aria-current="page"]::before{background:var(--yellow)}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:.85rem;padding-top:.95rem;border-top:2px solid var(--line-soft)}
.theme-toggle{
  display:flex;align-items:center;gap:.65rem;width:100%;
  padding:.68rem .85rem;background:var(--surface);color:var(--ink);
  border:2px solid var(--line);box-shadow:var(--sh-sm);cursor:pointer;
  font:600 .92rem var(--font-body);
  transition:transform .15s ease,box-shadow .15s ease;
}
.theme-toggle:hover{transform:translate(-2px,-2px);box-shadow:var(--sh)}
.theme-toggle:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--sh-c)}
.tt-track{margin-left:auto;width:44px;height:22px;border:2px solid var(--line);background:var(--surface-2);position:relative;flex:none}
.tt-thumb{position:absolute;top:0;left:0;width:18px;height:18px;background:var(--ink);transition:transform .18s ease}
[aria-checked="true"] .tt-thumb{transform:translateX(22px);background:var(--yellow)}
.tt-sun,.tt-moon{display:none}
.tt-sun{display:block}
[aria-checked="true"] .tt-sun{display:none}
[aria-checked="true"] .tt-moon{display:block}
.copy{font:500 .82rem/1.6 var(--font-body);color:var(--muted);margin:0;padding:0 .2rem}
.heart{display:inline-block;width:.82em;height:.78em;vertical-align:-.06em;fill:var(--pink);stroke:var(--line);stroke-width:2.4}

/* ---------- 6b. Text size control ---------- */
.fs-ctrl{
  display:flex;align-items:center;gap:.6rem;
  padding:.6rem .7rem;background:var(--surface);color:var(--ink);
  border:2px solid var(--line);box-shadow:var(--sh-sm);
}
.fs-label{font:600 .88rem var(--font-body);flex:1}
.fs-btns{display:flex;gap:.45rem}
.fs-btn{
  min-width:38px;height:36px;display:grid;place-items:center;cursor:pointer;
  background:var(--surface-2);color:var(--ink);border:2px solid var(--line);
  font:700 1rem var(--font-display);padding:0 .45rem;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
}
.fs-btn:hover{transform:translate(-2px,-2px);box-shadow:var(--sh-sm);background:var(--yellow);color:#101014}
.fs-btn:active{transform:translate(1px,1px);box-shadow:none}
.fs-btn:disabled{opacity:.4;cursor:default;transform:none;box-shadow:none;background:var(--surface-2)}
.fs-btn[data-fs="-1"]{font-size:.8rem}
.fs-btn[data-fs="reset"]{font-size:.98rem}
.fs-btn[data-fs="1"]{font-size:1.18rem}

/* ---------- 6. Mobile topbar ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:60;
  align-items:center;gap:.9rem;padding:.85rem 1.15rem;
  background:var(--surface);border-bottom:2px solid var(--line);
}
.nav-toggler{
  width:46px;height:46px;display:grid;place-items:center;flex:none;
  background:var(--yellow);color:#101014;border:2px solid #101014;box-shadow:var(--sh-sm);cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease;
}
.nav-toggler:hover{transform:translate(-2px,-2px);box-shadow:var(--sh)}
.nav-toggler:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--sh-c)}
.topbar-brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;color:var(--ink)}
.topbar-brand:hover{background:transparent}
.topbar-brand .brand-mark{width:40px;height:40px;font-size:1.05rem;box-shadow:none}
.topbar-title{font:700 1.05rem var(--font-display);letter-spacing:-.01em;margin-left:auto}
.nav-backdrop{
  position:fixed;inset:0;z-index:70;background:rgba(16,16,20,.45);
  opacity:0;pointer-events:none;transition:opacity .2s ease;
}
.nav-backdrop.show{opacity:1;pointer-events:auto}

/* ---------- 7. Content column ---------- */
.page{min-width:0;display:flex;flex-direction:column}
.content{
  width:100%;max-width:var(--content-max);
  margin:0 auto;padding:clamp(1.25rem,2.6vw,2.25rem) clamp(1.25rem,4vw,3.6rem) 4rem;
  flex:1;
}
.foot{
  max-width:var(--content-max);width:100%;margin:0 auto;
  padding:1.3rem clamp(1.25rem,4vw,3.6rem) 1.6rem;
  border-top:2px solid var(--line);
  display:flex;flex-wrap:wrap;gap:.7rem 1.6rem;align-items:center;
  font:500 .88rem var(--font-body);color:var(--muted);
}
.foot a{color:var(--ink);font-weight:600;text-decoration:none;border-bottom:2px solid var(--yellow);padding:.25rem 0}
.foot a:hover{background:var(--yellow);color:#101014}
.foot .heart{width:.8em;height:.76em}

/* ---------- 8. Type helpers ---------- */
.kicker{
  display:inline-flex;align-items:center;gap:.55rem;
  padding:.55rem 1rem;margin:0 0 1rem;
  background:var(--yellow);color:#101014;border:2px solid #101014;box-shadow:var(--sh-sm);
  font:700 .78rem/1 var(--font-display);letter-spacing:.16em;text-transform:uppercase;
}
.kicker .sq{width:9px;height:9px;background:#101014;flex:none}
.h-display{font-size:clamp(2.35rem,4.6vw,3.4rem);line-height:1.06;margin-bottom:.45em}
.lead{font-size:clamp(1.05rem,1.7vw,1.22rem);color:var(--muted);max-width:56ch;margin-bottom:0}
.page-head{margin-bottom:2.6rem;padding-bottom:2rem;border-bottom:2px solid var(--line)}
.page-head .kicker{position:relative;z-index:1}

/* ---------- 9. Section head ---------- */
.sec{margin:3.2rem 0}
.sec:first-of-type{margin-top:0}
.sec-head{display:flex;align-items:baseline;gap:1.1rem;margin-bottom:1.7rem;flex-wrap:wrap}
.sec-num{
  font:700 1.06rem var(--font-display);color:var(--accent);
  letter-spacing:.04em;flex:none;transform:translateY(-2px);
}
.sec-title{font-size:clamp(1.6rem,3vw,2.05rem);margin:0}
.sec-count{
  padding:.4rem .7rem;font:700 .75rem var(--font-display);letter-spacing:.1em;
  border:2px solid var(--line);background:var(--surface-2);text-transform:uppercase;
  transform:translateY(-4px);
}
.sec-rule{flex:1;min-width:2.5rem;height:2px;background:var(--line-soft);min-height:2px;align-self:center}
.sec-sub{color:var(--muted);margin:-1.4rem 0 2.2rem;max-width:64ch}

/* ---------- 10. Buttons / chips / cards / text links ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  padding:.95rem 1.55rem;
  font:600 1rem/1 var(--font-body);text-decoration:none;cursor:pointer;
  color:var(--ink);background:var(--surface);
  border:2px solid var(--line);box-shadow:var(--sh-sm);
  transition:transform .15s ease,box-shadow .15s ease;
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:var(--sh);background:var(--surface)}
.btn:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--sh-c)}
.btn-primary{background:var(--accent);color:var(--accent-contrast)}
.btn-primary:hover{background:var(--accent)}
.btn-yellow{background:var(--yellow);color:#101014}
.btn-yellow:hover{background:var(--yellow)}
.btn-ink{background:#101014;color:#FAF8F2;border-color:#101014;box-shadow:3px 3px 0 #101014}
.btn-ink:hover{background:#101014;color:#FAF8F2}
.btn[disabled],.btn.is-ghosted{opacity:.62;pointer-events:none;box-shadow:none;border-style:dashed}
.chip{
  display:inline-flex;align-items:center;gap:.4rem;padding:.38rem .7rem;
  font:600 .8rem/1.25 var(--font-body);
  border:2px solid var(--line);background:var(--surface);color:var(--ink);
}
.chip-y{background:var(--yellow);color:#101014}
.chip-b{background:var(--blue-soft);color:var(--ink)}
.chip-p{background:var(--pink);color:#101014}
.chip-soft{background:var(--surface-2);color:var(--muted)}
.card{
  background:var(--surface);border:2px solid var(--line);box-shadow:var(--sh);
  padding:1.9rem;
}
.card-hover{transition:transform .18s ease,box-shadow .18s ease}
.card-hover:hover{transform:translate(-3px,-3px);box-shadow:var(--sh-lg)}
.card-pad-sm{padding:1.4rem}
/* text link with underline bar — replaces button walls inside cards */
.arrow-link{
  display:inline-flex;align-items:center;gap:.55rem;
  font:700 1rem var(--font-body);color:var(--ink);text-decoration:none;
  border-bottom:3px solid var(--yellow);padding-bottom:.22rem;
  transition:background .15s ease;
}
.arrow-link:hover{background:var(--yellow);color:#101014}
.arrow-link .icon{color:var(--accent)}
/* plain-text meta line — replaces chip walls */
.tag-line{margin:0;font:600 .98rem/1.65 var(--font-body);color:var(--ink)}
.tag-line.dim{color:var(--muted);font-size:.92rem}

/* ---------- 11. Hero ---------- */
.hero{
  position:relative;display:grid;grid-template-columns:1.15fr .85fr;
  gap:clamp(2rem,4vw,3.5rem);align-items:center;
  padding:clamp(.6rem,2vw,1.2rem) 0 1.8rem;
}
.hero-dots{
  position:absolute;inset:-2rem -2rem 0 -2rem;z-index:0;pointer-events:none;
  background-image:radial-gradient(var(--dot) 1.4px,transparent 1.4px);
  background-size:26px 26px;
  -webkit-mask-image:linear-gradient(100deg,transparent 30%,#000 90%);
  mask-image:linear-gradient(100deg,transparent 30%,#000 90%);
}
.hero-copy{position:relative;z-index:1}
.hero-copy h1{margin:.1rem 0 .3rem}
.typed-row{display:flex;align-items:center;min-height:1.6em;font:600 clamp(1.05rem,2vw,1.3rem) var(--font-display);color:var(--accent);margin:0 0 .75rem}
.typed{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cursor{display:inline-block;width:12px;height:1.1em;background:var(--ink);margin-left:4px;flex:none;animation:blink 1.05s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.hero-lead{font-size:clamp(1.02rem,1.6vw,1.15rem);color:var(--muted);max-width:40ch;margin:0}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:.85rem;margin-top:1.4rem}
.actions-div{width:2px;height:38px;background:var(--line-soft);margin:0 .5rem;flex:none}
.soc{
  width:50px;height:50px;display:grid;place-items:center;
  color:var(--ink);text-decoration:none;background:var(--surface);
  border:2px solid var(--line);box-shadow:var(--sh-sm);
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
}
.soc:hover{transform:translate(-2px,-2px);box-shadow:var(--sh);background:var(--yellow);color:#101014}
.soc:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--sh-c)}
.soc .icon{width:22px;height:22px}
/* portrait */
.hero-fig{position:relative;z-index:1;justify-self:center;width:min(100%,300px);margin:0}
.portrait-card{
  background:var(--surface);border:2px solid var(--line);box-shadow:var(--sh-lg);
  padding:12px;transform:rotate(1.5deg);
}
.portrait-card img{border:2px solid var(--line)}
.badge{
  position:absolute;z-index:2;padding:.55rem .85rem;
  font:700 .84rem/1.1 var(--font-display);letter-spacing:.02em;
  border:2px solid var(--line);box-shadow:var(--sh-sm);color:#101014;white-space:nowrap;
}
.badge-1{top:-18px;left:-18px;background:var(--yellow);transform:rotate(-4deg)}

/* ---------- 12. Feature grid (home — no boxes, pure columns) ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2.2rem 2.8rem}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.75rem;align-items:start}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.75rem}
.feat{display:flex;flex-direction:column;gap:.7rem}
.feat-ico{
  width:58px;height:58px;display:grid;place-items:center;flex:none;
  border:2px solid var(--line);box-shadow:var(--sh-sm);
  margin-bottom:.35rem;
}
.feat-ico .icon,.domain-icon .icon{width:26px;height:26px;stroke-width:2.2}
.feat h3{font-size:1.3rem;margin:0}
.feat p{margin:0;color:var(--muted);font-size:1.02rem}
.di-b{background:var(--blue-soft);color:var(--ink)}
.di-y{background:var(--yellow);color:#101014}
.di-p{background:var(--pink);color:#101014}
.di-g{background:var(--mint);color:#101014}
.domain-icon{
  width:58px;height:58px;display:grid;place-items:center;flex:none;
  border:2px solid var(--line);box-shadow:var(--sh-sm);
}

/* ---------- 13. Project cards ---------- */
.proj{display:flex;flex-direction:column;gap:1.2rem}
.proj-top{display:flex;align-items:center;gap:1.15rem;flex-wrap:wrap}
.proj-logo{
  width:84px;height:84px;flex:none;display:grid;place-items:center;
  background:var(--surface-2);border:2px solid var(--line);box-shadow:var(--sh-sm);padding:9px;
}
.proj-logo img{width:100%;height:100%;object-fit:contain}
.proj-logo .icon{width:38px;height:38px}
.proj-id{flex:1;min-width:0}
.proj-name{font-size:1.75rem;margin:0}
.proj-tagline{font:600 .88rem/1.4 var(--font-display);color:var(--muted);letter-spacing:.07em;text-transform:uppercase;margin:.25rem 0 0}
.proj-flag{flex:none;transform:rotate(-2deg)}
.proj-desc{color:var(--muted);font-size:1.05rem;margin:0}
.proj-foot{display:flex;flex-wrap:wrap;gap:1.75rem;margin-top:.2rem}
.wall-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.wall-strip img{border:2px solid var(--line);width:100%;aspect-ratio:16/9;object-fit:cover}
/* single-wide screenshot variant (Theorem card) */
.app-strip{grid-template-columns:1fr}
.app-strip img{aspect-ratio:600/291}
.proj-note{
  display:flex;gap:.85rem;align-items:flex-start;
  color:var(--muted);font-size:1rem;margin:2.2rem 0 0;max-width:72ch;
}
.proj-note .icon{flex:none;margin-top:.22rem;color:var(--accent)}

/* ---------- 14. Timeline (about — light, no nested cards) ---------- */
.timeline{list-style:none;margin:0;padding:0 0 0 2.1rem;border-left:2px solid var(--line);display:flex;flex-direction:column;gap:2.3rem}
.tl-item{position:relative}
.tl-item::before{
  content:"";position:absolute;left:calc(-2.1rem - 8px);top:.4rem;
  width:14px;height:14px;background:var(--yellow);border:2px solid var(--line);
}
.tl-date{
  display:inline-block;margin-bottom:.5rem;
  font:700 .82rem var(--font-display);letter-spacing:.12em;color:var(--accent);text-transform:uppercase;
}
.tl-title{font-size:1.3rem;margin:0 0 .4rem}
.tl-text{color:var(--muted);font-size:1.03rem;margin:0;max-width:64ch}

/* ---------- 15. Bio / stats / beyond-physics cards ---------- */
.bio-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(2rem,4vw,3.5rem);align-items:start}
.bio-title{font-size:clamp(1.4rem,2.4vw,1.7rem)}
.bio-photo{background:var(--surface);border:2px solid var(--line);box-shadow:var(--sh);padding:10px;transform:rotate(-1.2deg);margin:0}
.bio-photo img{border:2px solid var(--line)}
.bio-photo figcaption{padding:.6rem .2rem .2rem;font:700 .76rem var(--font-display);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);text-align:center}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.3rem}
.stat-card{
  background:var(--surface);border:2px solid var(--line);box-shadow:var(--sh-sm);
  padding:1.35rem 1.4rem;display:flex;flex-direction:column;gap:.5rem;
  transition:transform .15s ease,box-shadow .15s ease;
}
.stat-card:hover{transform:translate(-2px,-2px);box-shadow:var(--sh)}
.stat-num{font:700 clamp(1.9rem,3.2vw,2.75rem)/1 var(--font-display);color:var(--accent);letter-spacing:-.02em}
.stat-num small{font-size:.42em;color:var(--ink);font-weight:700;margin-left:.12em}
.stat-lab{font:600 .86rem/1.5 var(--font-body);color:var(--muted)}
.beyond-card{display:flex;flex-direction:column;gap:.55rem}
.beyond-card h3{margin:0;font-size:1.22rem}
.beyond-card p{margin:0;color:var(--muted);font-size:.98rem}
.beyond-card .arrow-link{margin-top:auto;align-self:flex-start}
.crest-row{display:flex;gap:.6rem;margin-top:.5rem}
.crest-row img{width:50px;height:50px;border:2px solid var(--line);background:var(--surface-2);padding:5px}

/* ---------- 16. Skills page — tool boxes (no bars) ---------- */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(235px,1fr));gap:1.15rem}
.tool{
  background:var(--surface);border:2px solid var(--line);box-shadow:var(--sh-sm);
  padding:1.1rem 1.15rem;
  transition:transform .15s ease,box-shadow .15s ease;
}
.tool:hover{transform:translate(-2px,-2px);box-shadow:var(--sh)}
.tool-head{display:flex;align-items:center;gap:.7rem;margin-bottom:.4rem}
.tool-head h3{margin:0;font-size:1.12rem;line-height:1.15}
.tool-ico{width:36px;height:36px;flex:none;display:grid;place-items:center;border:2px solid var(--line);box-shadow:var(--sh-sm)}
.tool-ico .icon{width:19px;height:19px;stroke-width:2.3}
.tool p{margin:0;font-size:.93rem;line-height:1.55;color:var(--muted)}
.t-cloud{display:flex;flex-wrap:wrap;gap:.85rem}
.t-chip{
  display:inline-flex;align-items:center;padding:.62rem 1.05rem;
  border:2px solid var(--line);background:var(--surface);box-shadow:var(--sh-sm);
  font:600 .98rem var(--font-body);color:var(--ink);
}

/* ---------- 17. Gallery ---------- */
.filters{display:flex;flex-wrap:wrap;gap:.7rem;margin-bottom:2.2rem}
.pill{
  display:inline-flex;align-items:center;gap:.5rem;padding:.6rem 1.1rem;
  font:700 .88rem/1 var(--font-body);letter-spacing:.04em;cursor:pointer;
  color:var(--ink);background:var(--surface);
  border:2px solid var(--line);box-shadow:var(--sh-sm);
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
}
.pill:hover{transform:translate(-2px,-2px);box-shadow:var(--sh)}
.pill:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--sh-c)}
.pill.active{background:var(--yellow);color:#101014;transform:translate(-2px,-2px);box-shadow:var(--sh)}
.pill .n{font-weight:700;color:var(--muted)}
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.4rem}
.gcard{
  margin:0;background:var(--surface);border:2px solid var(--line);box-shadow:var(--sh-sm);
  padding:10px;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease;width:100%;
  text-align:left;display:block;font:inherit;color:inherit;
}
.gcard:hover,.gcard:focus-visible{transform:translate(-3px,-3px);box-shadow:var(--sh)}
.gcard img{width:100%;height:225px;object-fit:cover;border:2px solid var(--line)}
.gcard figcaption{display:flex;justify-content:space-between;align-items:center;gap:.5rem;padding:.65rem .25rem .25rem}
.gcard figcaption b{font:600 .93rem var(--font-body);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.gcard .cat{flex:none;font:700 .75rem var(--font-display);letter-spacing:.1em;text-transform:uppercase;padding:.25rem .5rem;border:2px solid var(--line);background:var(--surface-2);color:var(--muted)}
.gcard.hide{display:none}
/* ---------- 8c. Featured report cards (projects page) ----------
   The two academic reports lead the page: details on the left,
   A4 front-page cover on the right. Stacks details-over-cover
   under 940px; the cover keeps the full page visible (no crop). */
.report-feature{display:grid;grid-template-columns:1.3fr .85fr;gap:clamp(1.4rem,3vw,2.6rem);align-items:start;margin-top:1.6rem}
.rf-top{display:flex;align-items:center;gap:.9rem;flex-wrap:wrap}
.rf-inst{font:700 .76rem var(--font-display);letter-spacing:.11em;text-transform:uppercase;color:var(--muted)}
.rf-title{font-size:clamp(1.32rem,2.1vw,1.58rem);line-height:1.22;margin:.95rem 0 .7rem}
.rf-desc{color:var(--muted);font-size:1.03rem;margin:0 0 1.05rem}
.rf-cover{min-width:0}
.rf-cover .gcard{padding:12px}
.rf-cover .gcard img{height:auto;aspect-ratio:210/297}
@media (max-width:940px){
  .report-feature{grid-template-columns:1fr;gap:1.5rem}
  .rf-cover{max-width:330px}
}

/* ---------- 18. Lightbox ---------- */
.lightbox{
  position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;
  padding:1.2rem;background:rgba(16,16,20,.62);opacity:0;pointer-events:none;transition:opacity .18s ease;
}
.lightbox.open{opacity:1;pointer-events:auto}
.lb-card{
  background:var(--surface);border:2px solid var(--line);box-shadow:var(--sh-lg);
  padding:12px;max-width:min(92vw,900px);max-height:88vh;display:flex;flex-direction:column;
}
.lb-card img{max-width:100%;max-height:68vh;object-fit:contain;border:2px solid var(--line)}
.lb-bar{display:flex;align-items:center;gap:.8rem;padding:.8rem .25rem .2rem}
.lb-caption{flex:1;min-width:0;font:600 .98rem var(--font-body);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lb-count{font:700 .82rem var(--font-display);color:var(--muted);flex:none}
.lb-btn{
  width:46px;height:46px;flex:none;display:grid;place-items:center;cursor:pointer;
  background:var(--surface);color:var(--ink);border:2px solid var(--line);box-shadow:var(--sh-sm);
  transition:transform .15s ease,box-shadow .15s ease;
}
.lb-btn:hover{transform:translate(-2px,-2px);box-shadow:var(--sh);background:var(--yellow);color:#101014}
.lb-btn:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--sh-c)}

/* ---------- 19. Blog cards + post lines ---------- */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.75rem}
.post-card{display:flex;flex-direction:column;padding:0;overflow:hidden}
.post-card .thumb{border-bottom:2px solid var(--line);position:relative}
.post-card .thumb img{width:100%;height:210px;object-fit:cover}
.post-card .thumb .chip{position:absolute;left:12px;bottom:12px}
.post-card .body{padding:1.4rem 1.45rem 1.55rem;display:flex;flex-direction:column;gap:.65rem;flex:1}
.post-card h3{font-size:1.22rem;margin:0}
.post-card h3 a{color:var(--ink);text-decoration:none}
.post-card h3 a:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;background:transparent}
.post-card p{margin:0;font-size:1rem;color:var(--muted);flex:1}
.post-card .go{display:inline-flex;align-items:center;gap:.45rem;font:700 .92rem var(--font-body);color:var(--accent)}
/* slim text list (home) */
.post-list{display:flex;flex-direction:column}
.post-line{
  display:flex;align-items:center;gap:1.4rem;padding:1.15rem .4rem;
  border-bottom:2px solid var(--line-soft);text-decoration:none;color:var(--ink);
}
.post-line:first-child{border-top:2px solid var(--line-soft)}
.post-line:hover{background:var(--surface-2);color:var(--ink)}
.pl-date{flex:none;font:700 .8rem var(--font-display);letter-spacing:.1em;color:var(--muted);text-transform:uppercase;min-width:6.4em}
.post-line b{flex:1;min-width:0;font:600 1.08rem/1.4 var(--font-body)}
.post-line .icon{color:var(--accent);flex:none}

/* ---------- 20. Downloads grid (resources) ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;align-items:stretch}
.dl-tile{display:flex;flex-direction:column}
.dl-tile-head{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1.15rem}
.dl-ico{
  width:58px;height:58px;flex:none;display:grid;place-items:center;
  border:2px solid var(--line);box-shadow:var(--sh-sm);background:var(--yellow);color:#101014;
}
.dl-ico .icon{width:26px;height:26px;stroke-width:2.2}
.dl-type{
  display:inline-block;font:700 .75rem/1 var(--font-display);letter-spacing:.16em;text-transform:uppercase;
  padding:.55rem .6rem;border:2px solid var(--line);box-shadow:var(--sh-sm);
  background:var(--ink);color:var(--bg);
}
.dl-tile h3{font-size:1.18rem;margin:0 0 .4rem}
.dl-tile p{font-size:.97rem;line-height:1.62;color:var(--muted);margin:0;flex:1}
.dl-tile-foot{display:flex;flex-direction:column;gap:.8rem;margin-top:1.3rem;padding-top:1.05rem;border-top:2px dashed var(--line-soft)}
.dl-meta{font:700 .78rem/1.5 var(--font-display);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.dl-tile:nth-child(3n+2) .dl-ico{background:var(--mint)}
.dl-tile:nth-child(3n) .dl-ico{background:var(--pink)}

/* ---------- 21. Music player ---------- */
.music{display:flex;flex-direction:column;gap:1.3rem}
.music-top{display:flex;gap:1.2rem;align-items:center;flex-wrap:wrap}
.music-art{
  width:96px;height:96px;flex:none;display:grid;place-items:center;
  border:2px solid var(--line);box-shadow:var(--sh-sm);background:var(--blue-soft);color:var(--ink);overflow:hidden;
}
.music-art img{width:100%;height:100%;object-fit:cover}
.music-art .icon{width:36px;height:36px}
.music-meta{flex:1;min-width:220px}
.music-meta h3{font-size:1.25rem;margin:0 0 .2rem}
.music-meta p{margin:0;font-size:.95rem;color:var(--muted)}
.now-chip{font:700 .75rem var(--font-display);letter-spacing:.14em;text-transform:uppercase;padding:.35rem .6rem;border:2px solid var(--line);background:var(--pink);color:#101014}
/* ---------- 21b. Music player — redesigned (Round 12) ---------- */
.player{display:flex;flex-direction:column;gap:1.05rem}
.seek-wrap{display:flex;align-items:center;gap:.85rem}
.seek-track{
  flex:1;height:20px;border:2px solid var(--line);background:var(--surface-2);position:relative;
  cursor:pointer;box-shadow:var(--sh-sm);touch-action:none;
}
.seek-fill{position:absolute;inset:0;width:0;background:var(--accent)}
[data-theme="dark"] .seek-fill{background:var(--yellow)}
.seek-thumb{
  position:absolute;top:-3px;bottom:-3px;width:16px;left:0;transform:translateX(-8px);
  background:var(--ink);border:2px solid var(--line);
}
[data-theme="dark"] .seek-thumb{background:var(--yellow)}
.seek-track.drag{box-shadow:var(--sh)}
.seek-track:focus-visible,.vol-track:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.t-label{font:700 .82rem var(--font-display);color:var(--muted);flex:none;min-width:2.6em;text-align:center}
.player-controls{display:flex;align-items:center;gap:.8rem;flex-wrap:wrap}
.pbtn{
  width:52px;height:52px;flex:none;display:grid;place-items:center;cursor:pointer;
  background:var(--surface);color:var(--ink);border:2px solid var(--line);box-shadow:var(--sh-sm);
  transition:transform .15s ease,box-shadow .15s ease;
}
.pbtn:hover{transform:translate(-2px,-2px);box-shadow:var(--sh)}
.pbtn:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--sh-c)}
.pbtn.play{width:64px;height:64px;background:var(--accent);color:var(--accent-contrast)}
.pbtn .icon{width:22px;height:22px}
.pbtn.play .icon{width:26px;height:26px}
.vol-group{display:flex;align-items:center;gap:.6rem;margin-left:auto;flex:1;min-width:190px;max-width:300px;justify-content:flex-end}
.vol-btn{width:44px;height:44px}
.vol-btn .icon{width:20px;height:20px}
.vol-track{
  flex:0 1 130px;height:14px;border:2px solid var(--line);background:var(--surface-2);position:relative;
  cursor:pointer;box-shadow:var(--sh-sm);touch-action:none;
}
.vol-fill{position:absolute;inset:0;width:0;background:var(--accent)}
[data-theme="dark"] .vol-fill{background:var(--yellow)}
.vol-thumb{
  position:absolute;top:-3px;bottom:-3px;width:12px;left:0;transform:translateX(-6px);
  background:var(--ink);border:2px solid var(--line);
}
[data-theme="dark"] .vol-thumb{background:var(--yellow)}
.vol-track.drag{box-shadow:var(--sh)}
@media (max-width:560px){
  .player-controls{gap:.7rem}
  .vol-group{min-width:0;max-width:none;flex:1 1 100%;justify-content:space-between}
  .vol-track{flex:1}
}
.playlist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.65rem;border-top:2px dashed var(--line-soft);padding-top:1.2rem}
.playlist li{margin:0}
.playlist button{
  width:100%;display:flex;align-items:center;gap:.9rem;padding:.75rem .9rem;cursor:pointer;
  background:var(--surface);border:2px solid var(--line);font:600 .95rem var(--font-body);color:var(--ink);text-align:left;
  transition:transform .14s ease,box-shadow .14s ease,background .14s ease;
}
.playlist button:hover{transform:translate(-2px,-2px);box-shadow:var(--sh-sm)}
.playlist button .num{flex:none;font:700 .82rem var(--font-display);color:var(--muted)}
.playlist button .name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.playlist button .dur{flex:none;font:700 .8rem var(--font-display);color:var(--muted)}
.playlist button.current{background:var(--yellow);color:#101014;box-shadow:var(--sh-sm)}
.playlist button.current .num,.playlist button.current .dur{color:#101014}

/* ---------- 22. 404 ---------- */
.nf{display:flex;flex-direction:column;align-items:center;gap:2.2rem;padding:3.5rem 0;text-align:center}
.nf-blocks{display:flex;gap:1.1rem}
.nf-b{
  width:clamp(80px,17vw,128px);aspect-ratio:1;display:grid;place-items:center;
  font:700 clamp(2.75rem,7vw,4.4rem)/1 var(--font-display);
  border:2px solid var(--line);box-shadow:var(--sh);
}
.nf-b:nth-child(1){background:var(--yellow);color:#101014;transform:rotate(-3deg)}
.nf-b:nth-child(2){background:var(--accent);color:var(--accent-contrast);transform:rotate(2deg) translateY(-8px)}
.nf-b:nth-child(3){background:var(--pink);color:#101014;transform:rotate(-2deg)}
.nf h1{font-size:clamp(1.7rem,3.6vw,2.3rem);margin:0}
.nf p{color:var(--muted);max-width:46ch;margin:0}
.nf .hero-actions{justify-content:center;margin:0}

/* ---------- 23. CTA banner (light yellow — no heavy dark slab) ---------- */
.cta-banner{
  display:flex;align-items:center;justify-content:space-between;gap:1.6rem;flex-wrap:wrap;
  background:var(--yellow);color:#101014;border:2px solid #101014;box-shadow:4px 4px 0 #101014;
  padding:2.2rem 2.4rem;
}
.cta-banner h2{font-size:clamp(1.5rem,3vw,2rem);margin:0 0 .4rem;color:#101014}
.cta-banner p{margin:0;color:rgba(16,16,20,.75);font-size:1.04rem}

/* ---------- 24. Reveal-on-scroll ---------- */
.js .rv{opacity:0;transform:translateY(16px)}
.js .rv.in{opacity:1;transform:none;transition:opacity .5s ease,transform .5s ease}
.js .rv.d1.in{transition-delay:.07s}.js .rv.d2.in{transition-delay:.14s}.js .rv.d3.in{transition-delay:.21s}

/* ---------- 25. Responsive ---------- */
@media (max-width:1020px){
  .blog-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3,.dl-grid{grid-template-columns:repeat(2,1fr)}
  .feat-grid{gap:2.2rem}
}
@media (max-width:940px){
  .shell{grid-template-columns:1fr}
  .topbar{display:flex}
  .sidebar{
    position:fixed;inset:0 auto 0 0;z-index:80;width:min(320px,86vw);
    transform:translateX(-108%);transition:transform .22s ease;
    box-shadow:var(--sh-lg);height:100dvh;
  }
  .sidebar.open{transform:none}
  .hero{grid-template-columns:1fr;padding-bottom:2.2rem}
  .hero-fig{width:min(70%,280px);margin:1.2rem auto 0}
  .bio-grid{grid-template-columns:1fr}
  .bio-photo{max-width:360px}
  .feat-grid{grid-template-columns:1fr;gap:2rem}
  .feat{flex-direction:row;align-items:flex-start;gap:1.4rem}
  .feat-ico{margin-bottom:0}
  .feat div{flex:1}
}
@media (max-width:700px){
  .grid-2,.grid-3,.dl-grid,.blog-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .gallery-grid{grid-template-columns:repeat(auto-fill,minmax(185px,1fr))}
  .gcard img{height:180px}
  .sec{margin:2.6rem 0}
  .page-head{margin-bottom:2.2rem;padding-bottom:1.6rem}
  .badge-1{left:50%;transform:translateX(-50%) rotate(-4deg);white-space:nowrap}
  .nf-blocks{gap:.8rem}
  .post-line{gap:1rem;padding:1rem .25rem}
  .pl-date{min-width:5.6em}
  .cta-banner{padding:1.8rem 1.5rem}
  .actions-div{display:none}
  .hero-actions{gap:.75rem}
}
@media (max-width:430px){
  .wall-strip{gap:6px}
  .hero-fig{width:88%}
  .hero{padding-bottom:2.2rem}
  .card{padding:1.5rem}
  .fs-label{display:none}
  .fs-btns{flex:1;justify-content:space-between}
}

/* ---------- 25b. Dark mode polish ---------- */
/* ink button inverts into a cream slab on dark */
[data-theme="dark"] .btn-ink{background:var(--ink);color:#131419;border-color:var(--ink)}
[data-theme="dark"] .btn-ink:hover{background:var(--ink);color:#131419}
/* yellow slabs keep their black edge, shadow goes true-black to read on dark bg */
[data-theme="dark"] .cta-banner{box-shadow:4px 4px 0 #000}
[data-theme="dark"] .nav-toggler{box-shadow:3px 3px 0 #000}
/* photos dim a touch so they sit inside the dark chrome (lightbox stays full) */
[data-theme="dark"] .gcard img,
[data-theme="dark"] .post-card .thumb img,
[data-theme="dark"] .wall-strip img{filter:brightness(.9) saturate(.96)}
[data-theme="dark"] .lb-card img{filter:none}
/* deeper scrims on dark */
[data-theme="dark"] .lightbox{background:rgba(6,7,11,.82)}
[data-theme="dark"] .nav-backdrop{background:rgba(6,7,11,.62)}
/* smooth cross-fade while toggling (timed class added by main.js;
   kept above the reduced-motion block so RM still wins) */
html.theme-fade body,
html.theme-fade body *{transition:background-color .24s ease,color .24s ease,border-color .24s ease,box-shadow .24s ease,fill .24s ease,stroke .24s ease!important}

/* ---------- 27. Welcome note (home, once per session) ---------- */
.wl-backdrop{
  position:fixed;inset:0;z-index:150;
  display:flex;align-items:center;justify-content:center;padding:1.4rem;
  background:rgba(16,16,20,.45);opacity:0;pointer-events:none;
  transition:opacity .2s ease;
}
.wl-backdrop.on{opacity:1;pointer-events:auto}
.wl-card{
  width:min(94vw,540px);
  background:var(--yellow);color:#101014;
  border:2px solid #101014;box-shadow:6px 6px 0 #101014;
  padding:2.1rem 2.2rem 2rem;
  transform:rotate(-1deg) scale(.92) translateY(14px);
  transition:transform .24s cubic-bezier(.34,1.56,.64,1);
}
.wl-backdrop.on .wl-card{transform:rotate(-1deg) scale(1) translateY(0)}
.wl-kicker{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.45rem .8rem;margin-bottom:1.1rem;
  background:#101014;color:var(--yellow);
  font:700 .75rem/1 var(--font-display);letter-spacing:.18em;text-transform:uppercase;
}
.wl-kicker .wl-time{
  margin-left:.3rem;padding:.3rem .5rem;
  background:var(--yellow);color:#101014;
  font-size:.75rem;letter-spacing:.08em;font-variant-numeric:tabular-nums;
}
.wl-card h2{font-size:clamp(1.7rem,4vw,2.3rem);margin:0 0 .5em;color:#101014}
.wl-card p{margin:0 0 1.5rem;font-size:1.04rem;line-height:1.65;color:rgba(16,16,20,.82)}
.wl-card .wl-note{margin:-0.7rem 0 1.4rem;font-size:.85rem;line-height:1.5;color:rgba(16,16,20,.62)}
.wl-actions{display:flex;flex-wrap:wrap;gap:.8rem}
[data-theme="dark"] .wl-backdrop{background:rgba(6,7,11,.66)}
[data-theme="dark"] .wl-card{box-shadow:6px 6px 0 #000}
@media (max-width:430px){
  .wl-card{padding:1.7rem 1.4rem 1.6rem}
  .wl-actions .btn{flex:1;justify-content:center}
}

/* ---------- 25b. Round 11 — reading progress, copy-email, toast, post meta ---------- */
.read-progress{
  position:fixed;top:0;left:0;right:0;height:4px;z-index:90;
  background:var(--accent);transform:scaleX(0);transform-origin:0 50%;
  pointer-events:none;
}
.copy-mail{
  display:inline-block;margin-left:.45rem;padding:.14rem .55rem;cursor:pointer;
  font:700 .75rem/1.4 var(--font-display);letter-spacing:.05em;text-transform:uppercase;
  background:var(--yellow);color:var(--ink);border:2px solid var(--line);
  box-shadow:2px 2px 0 var(--sh-c);vertical-align:1px;
}
.copy-mail:hover{transform:translate(-1px,-1px);box-shadow:3px 3px 0 var(--sh-c)}
.copy-mail:active{transform:translate(1px,1px);box-shadow:0 0 0 var(--sh-c)}
.copy-mail:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.sd-toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,12px);z-index:9500;
  max-width:min(88vw,420px);padding:.6rem .95rem;pointer-events:none;
  background:var(--ink);color:var(--bg);border:2px solid var(--line);box-shadow:var(--sh-sm);
  font:700 .8rem/1.3 var(--font-display);letter-spacing:.02em;
  opacity:0;transition:opacity .2s ease,transform .2s ease;
}
.sd-toast.on{opacity:1;transform:translate(-50%,0)}
.post-meta{
  display:flex;align-items:center;gap:.45rem;margin:.6rem 0 0;
  font:700 .75rem/1 var(--font-display);letter-spacing:.07em;text-transform:uppercase;color:var(--muted);
}
.post-meta::before{content:"";flex:none;width:8px;height:8px;background:var(--yellow);border:2px solid var(--line)}
@media print{.read-progress,.sd-toast,.copy-mail{display:none!important}}

/* ---------- 28. Bookshelf grid (resources — Round 14, 12 books/topic) ---------- */
/* downloads grid is now 2 tiles wide (resume tile removed) */
@media (min-width:701px){.dl-grid{grid-template-columns:repeat(2,1fr)}}
.bk-tools{margin:2.6rem 0 1.5rem;display:flex;flex-direction:column;gap:1.05rem}
.bk-bar{display:flex;align-items:center;gap:.9rem;flex-wrap:wrap}
.bk-bar-title{display:inline-flex;align-items:center;gap:.6rem;margin:0;font:700 1.3rem var(--font-display);letter-spacing:-.01em}
.bk-bar-title .icon{width:1.25em;height:1.25em;color:var(--accent)}
.bk-count{padding:.4rem .7rem;font:700 .75rem/1 var(--font-display);letter-spacing:.1em;text-transform:uppercase;border:2px solid var(--line);background:var(--surface-2);transform:translateY(-2px);white-space:nowrap}
.bk-search{flex:1;min-width:230px;display:flex;align-items:center;gap:.65rem;padding:.68rem .9rem;background:var(--surface);border:2px solid var(--line);box-shadow:var(--sh-sm);cursor:text;transition:transform .15s ease,box-shadow .15s ease}
.bk-search:focus-within{transform:translate(-2px,-2px);box-shadow:var(--sh)}
.bk-search .icon{color:var(--muted);flex:none}
.bk-search input{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);font:600 .95rem var(--font-body);outline:none;padding:.25rem 0}
.bk-search input::placeholder{color:var(--muted);font-weight:500}
.bk-search input::-webkit-search-cancel-button{-webkit-appearance:none}
.bk-pills{display:flex;gap:.65rem;flex-wrap:wrap}
.bk-pill{cursor:pointer;padding:.58rem 1.05rem;font:700 .78rem/1 var(--font-display);letter-spacing:.09em;text-transform:uppercase;color:var(--ink);background:var(--surface);border:2px solid var(--line);box-shadow:var(--sh-sm);transition:transform .15s ease,box-shadow .15s ease,background .15s ease}
.bk-pill:hover{transform:translate(-2px,-2px);box-shadow:var(--sh)}
.bk-pill:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--sh-c)}
.bk-pill.is-on{background:var(--yellow);color:#101014;box-shadow:var(--sh)}
.bk-pill-n{display:inline-block;margin-left:.45rem;padding:.2rem .45rem;background:#101014;color:var(--yellow);font-size:.75rem;line-height:1}
.bk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;align-items:stretch}
.bk-card{display:flex;flex-direction:column;padding:1.15rem 1.15rem 1.25rem}
.bk-card[hidden]{display:none}
/* CSS-built book cover — spine band, icon, title, author, topic ribbon */
.bk-cover{
  position:relative;width:100%;max-width:162px;margin:0 auto 1.15rem;aspect-ratio:3/4.05;
  display:flex;flex-direction:column;padding:1rem .95rem .8rem 1.15rem;
  background:var(--bc,#1E2A52);color:#FAF8F2;
  border:2px solid var(--line);box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.bk-card:hover .bk-cover{transform:translateY(-3px) rotate(-1.2deg);box-shadow:var(--sh)}
.bk-cover::before{content:"";position:absolute;left:0;top:0;bottom:0;width:8px;background:var(--bc2,#FFC700);border-right:2px solid var(--line)}
.bk-cv-top{display:flex;align-items:flex-start;justify-content:space-between;gap:.5rem}
.bk-cv-top .icon{width:22px;height:22px;color:var(--bc2,#FFC700);flex:none}
.bk-cv-tag{font:700 .75rem/1 var(--font-display);letter-spacing:.16em;text-transform:uppercase;color:var(--bc2,#FFC700);border:1.5px solid var(--bc2,#FFC700);padding:.3rem .45rem}
.bk-cv-title{flex:1;overflow:hidden;margin:.7rem 0 .55rem;font:700 .8rem/1.22 var(--font-display);letter-spacing:.01em;text-transform:uppercase;overflow-wrap:break-word}
.bk-cv-author{font:600 .75rem/1.4 var(--font-body);letter-spacing:.05em;text-transform:uppercase;color:rgba(250,248,242,.82);margin:0 0 .2rem}
.bk-cv-band{margin:.55rem -.95rem -.8rem -1.15rem;padding:.55rem .9rem .55rem 1.15rem;background:var(--bc2,#FFC700);color:#101014;border-top:2px solid var(--line);font:700 .75rem/1 var(--font-display);letter-spacing:.13em;text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bk-title{font-size:1rem;line-height:1.3;margin:0 0 .55rem}
.bk-badge{align-self:flex-start;display:inline-block;padding:.34rem .6rem;font:700 .75rem/1 var(--font-display);letter-spacing:.12em;text-transform:uppercase;border:2px solid var(--line);background:var(--yellow);color:#101014;box-shadow:2px 2px 0 var(--sh-c)}
.bk-badge[data-cat="quantum"],.bk-badge[data-cat="mathematics"],.bk-badge[data-cat="data"]{background:var(--blue-soft)}
.bk-badge[data-cat="electrodynamics"],.bk-badge[data-cat="condensed matter"],.bk-badge[data-cat="device physics"]{background:var(--pink)}
.bk-badge[data-cat="stat mech"],.bk-badge[data-cat="materials"],.bk-badge[data-cat="programming"],.bk-badge[data-cat="scientific"]{background:var(--mint)}
.bk-desc{font-size:.88rem;line-height:1.55;color:var(--muted);margin:.7rem 0 0;flex:1}
.bk-foot{margin-top:1.1rem;padding-top:.95rem;border-top:2px dashed var(--line-soft);display:flex;flex-direction:column;gap:.7rem}
.bk-meta{font:700 .75rem/1.5 var(--font-display);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.bk-btn{width:100%;padding:.72rem .9rem;font-size:.88rem}
.bk-empty{margin:0;padding:2rem 1.4rem;text-align:center;color:var(--muted);border:2px dashed var(--line-soft);background:var(--surface)}
@media (max-width:1180px){.bk-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:820px){.bk-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){
  .bk-grid{grid-template-columns:1fr}
  .bk-search{min-width:0;flex:1 1 100%}
  .bk-bar-title{font-size:1.15rem}
}

/* ---------- 29. About terminal (Round 15) — neobrutalist shell card ---------- */
.term{margin:2.6rem 0 0;background:#15161C;border:2px solid var(--line);box-shadow:var(--sh-lg);overflow:hidden}
.term-bar{display:flex;align-items:center;gap:.8rem;padding:.6rem .95rem;background:#101014;border-bottom:2px solid #2A2C36;color:#F4F3EC;font:700 .78rem/1 var(--font-display);letter-spacing:.06em}
.term-dots{display:flex;gap:.42rem;flex:none}
.term-dots i{width:11px;height:11px;border:2px solid #F4F3EC;background:var(--pink)}
.term-dots i:nth-child(2){background:var(--yellow)}
.term-dots i:nth-child(3){background:var(--mint)}
.term-title{flex:1;min-width:0;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.term-tag{flex:none;font:700 .75rem/1 var(--font-display);letter-spacing:.11em;padding:.22rem .5rem;border:2px solid #F4F3EC;color:#101014;background:var(--yellow)}
.term-body{padding:1.2rem 1.3rem 1.35rem;font:500 .88rem/1.8 ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono","Courier New",monospace;color:#F4F3EC;
  background:repeating-linear-gradient(0deg,rgba(255,255,255,.024) 0 1px,transparent 1px 3px),#15161C}
.tl{margin:0;white-space:pre-wrap;overflow-wrap:break-word}
.tp{color:var(--mint);font-weight:700}
.tp-c{color:#F4F3EC}
.tp-p{color:var(--yellow);font-weight:700}
.tp-d{color:var(--pink);font-weight:700}
.tc{color:#FFFFFF}
.to{margin:0 0 .55rem 1.5rem;color:rgba(244,243,236,.72);white-space:pre-wrap;overflow-wrap:break-word}
[data-theme="dark"] .term{box-shadow:var(--sh-lg)}
/* live shell (Round 19): scrolling log + real input line */
.t-log{max-height:min(46vh,320px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#2A2C36 transparent}
.t-log::-webkit-scrollbar{width:8px}
.t-log::-webkit-scrollbar-thumb{background:#2A2C36}
.t-in-row{display:flex;align-items:baseline;gap:.55rem;margin-top:.5rem;padding-top:.65rem;border-top:2px dashed #262832}
.t-in{flex:1;min-width:0;background:transparent;border:0;padding:.18rem 0;margin:0;color:#FFFFFF;font:inherit;caret-color:var(--mint)}
.t-in:focus{outline:none}
.term:focus-within{border-color:var(--mint)}
.content :not(.btn):not(.gcard):not(.sk-pill):not(.bk-pill)>a:not(.btn),.to a{padding-block:.15rem}
.to a{color:var(--mint);text-decoration:underline;text-underline-offset:3px}
.to a:hover{color:var(--yellow)}
.t-hint{color:var(--mint)}
.t-hint b{color:var(--yellow);font-weight:700}
.to b{font-weight:700;color:#F4F3EC}
@media (max-width:700px){
  .term-body{font-size:.8rem;padding:1rem 1.05rem 1.1rem;line-height:1.75}
  .to{margin-left:1.05rem}
  .term-bar{padding:.5rem .75rem;font-size:.75rem}
}

/* ---------- 30. AI-assisted note (projects — Round 15) ---------- */
.ai-note{display:flex;align-items:flex-start;gap:.9rem;margin:1.4rem 0 0;padding:1rem 1.15rem;background:var(--yellow);border:2px solid var(--line);box-shadow:var(--sh-sm)}
.ai-note .ai-ico{flex:none;width:38px;height:38px;display:grid;place-items:center;border:2px solid var(--line);background:var(--surface);box-shadow:2px 2px 0 var(--sh-c)}
.ai-note .ai-ico .icon{width:20px;height:20px;stroke-width:2.3;color:var(--ink)}
.ai-note p{margin:0;font:600 .95rem/1.55 var(--font-body);color:#101014}
.ai-note b{font-weight:800}

/* ---------- 31. Skills lab (Round 16) — filterable skill cards ---------- */
.sk-bar{display:flex;flex-wrap:wrap;gap:.65rem;margin:0 0 1.1rem}
.sk-pill{cursor:pointer;padding:.58rem 1rem;font:700 .78rem/1 var(--font-display);letter-spacing:.09em;text-transform:uppercase;color:var(--ink);background:var(--surface);border:2px solid var(--line);box-shadow:var(--sh-sm);transition:transform .15s ease,box-shadow .15s ease,background .15s ease}
.sk-pill:hover{transform:translate(-2px,-2px);box-shadow:var(--sh)}
.sk-pill:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--sh-c)}
.sk-pill.is-on{background:var(--yellow);color:#101014;box-shadow:var(--sh)}
.sk-pill-n{display:inline-block;margin-left:.45rem;padding:.2rem .45rem;background:#101014;color:var(--yellow);font-size:.75rem;line-height:1}
.sk-pill.is-on .sk-pill-n{background:#101014;color:var(--yellow)}
.sk-count{margin:0 0 1.25rem;font:600 .84rem/1.4 var(--font-body);color:var(--muted)}
.sk-count b{color:var(--ink);font-weight:800}
.sk-badge{
  position:absolute;top:-1px;right:-1px;padding:.32rem .6rem;
  font:700 .75rem/1 var(--font-display);letter-spacing:.12em;text-transform:uppercase;
  border:2px solid var(--line);color:#101014;box-shadow:var(--sh-sm);
}
.sk-top{display:flex;align-items:flex-start;gap:1rem;padding-right:.5rem}
.sk-ico{width:52px;height:52px;flex:none;display:grid;place-items:center;border:2px solid var(--line);box-shadow:var(--sh-sm)}
.sk-ico .icon{width:26px;height:26px;stroke-width:2.3;color:var(--ink)}
.sk-title{margin:0 0 .38rem;font-size:1.16rem;line-height:1.15}
.sk-desc{margin:0;font-size:.9rem;line-height:1.55;color:var(--muted)}
.sk-meter{margin-top:auto;display:flex;align-items:center;gap:.75rem;padding-top:.95rem;border-top:2px dashed var(--line-soft)}
.sk-lvl{font:700 .75rem/1 var(--font-display);letter-spacing:.11em;text-transform:uppercase;padding:.34rem .55rem;border:2px solid var(--line)}
.lvl-adv{background:var(--mint);color:#101014}
.lvl-int{background:var(--blue-soft);color:var(--ink)}
[data-theme="dark"] .lvl-int{background:#2B3049;color:#F4F3EC}
.sk-dots{display:flex;gap:.32rem}
.sk-dots i{width:12px;height:12px;border:2px solid var(--line);background:var(--surface)}
@media (max-width:1180px){.sk-grid{grid-template-columns:repeat(2,1fr)}}

/* ---------- 32. About hero (Round 19) — bio text + compact interactive terminal ---------- */
.about-hero{display:grid;grid-template-columns:1.14fr .86fr;gap:clamp(1.8rem,3.6vw,3.4rem);align-items:center}
.about-bio{max-width:64ch}
.about-bio p,.tl-text,.beyond-card p,.pg-about .lead{text-align:justify;hyphens:auto;-webkit-hyphens:auto}
.about-hero .term{margin:0;width:100%;max-width:500px;justify-self:end}
.about-hero .term-bar{padding:.5rem .8rem;font-size:.75rem}
.about-hero .term-body{padding:.9rem 1rem 1rem;font-size:.82rem;line-height:1.7}
@media (max-width:900px){
  .about-hero{grid-template-columns:1fr;align-items:start}
  .about-hero .term{justify-self:stretch;max-width:540px;margin:1.4rem auto 0}
  .about-bio{max-width:none}
}
@media (max-width:700px){
  .about-hero .term-body{font-size:.78rem}
  .t-in{font-size:16px}
}

/* ---------- 26. Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .cursor{animation:none}
  .js .rv{opacity:1;transform:none}
}

/* ---------- 33. Skills periodic table (Round 17) ---------- */
.pt-table{display:grid;grid-template-columns:repeat(10,1fr);gap:.6rem;margin:0}
.pt-el{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:118px;padding:.55rem .3rem;cursor:pointer;text-align:center;
  border:2px solid var(--line);box-shadow:var(--sh-sm);background:var(--surface);
  font-family:var(--font-display);
  transition:transform .15s ease,box-shadow .15s ease,opacity .2s ease;
}
.pt-el:hover{transform:translate(-2px,-2px);box-shadow:var(--sh)}
.pt-el:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.pt-el.is-sel{transform:translate(2px,2px);box-shadow:0 0 0 0;outline:3px solid var(--ink);outline-offset:-6px}
.pt-z{position:absolute;top:.32rem;left:.42rem;font:800 .75rem var(--font-display);opacity:.75}
.pt-sym{font:800 1.75rem/1.05 var(--font-display);letter-spacing:-.02em;color:var(--ink)}
.pt-nm{margin-top:.22rem;font:700 .75rem/1.2 var(--font-display);letter-spacing:.07em;text-transform:uppercase;color:var(--ink);opacity:.82;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pt-el.is-core{background:var(--yellow)}
.pt-el.is-research{background:var(--pink)}
.pt-el.is-viz{background:var(--mint)}
.pt-el.is-docs{background:var(--blue-soft)}
.pt-el.is-webdev{background:var(--surface-2)}
.pt-el.is-sys{background:var(--ink)}
.pt-el.is-sys .pt-sym,.pt-el.is-sys .pt-nm,.pt-el.is-sys .pt-z{color:var(--bg)}
[data-theme="dark"] .pt-el.is-webdev{background:#2B3049}
[data-theme="dark"] .pt-el.is-docs{background:#35507A}
.pt-el.dim,.pt-mini.dim{opacity:.14;filter:grayscale(.65)}
.pt-py{grid-area:1/1}.pt-np{grid-area:1/10}
.pt-ux{grid-area:2/1}.pt-wi{grid-area:2/2}
.pt-wb{grid-area:2/5}.pt-sp{grid-area:2/6}.pt-df{grid-area:2/7}.pt-og{grid-area:2/8}.pt-bl{grid-area:2/9}.pt-te{grid-area:2/10}
.pt-pp{grid-area:3/10}
.pt-alloylab{
  display:flex;align-items:center;justify-content:flex-end;padding-right:.35rem;
  font:700 .75rem var(--font-display);letter-spacing:.13em;text-transform:uppercase;color:var(--muted);
}
.pt-gt{grid-area:4/2}.pt-vs{grid-area:4/3}.pt-mp{grid-area:4/4}.pt-pg{grid-area:4/5}.pt-jn{grid-area:4/6}.pt-sh{grid-area:4/7}
.pt-mini{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:66px;padding:.35rem .2rem;cursor:pointer;text-align:center;
  border:2px dashed var(--line);background:var(--surface);
  transition:transform .15s ease,box-shadow .15s ease,opacity .2s ease;
}
.pt-mini:hover{transform:translate(-2px,-2px);box-shadow:var(--sh-sm);border-style:solid}
.pt-mini:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.pt-mini.is-sel{transform:translate(2px,2px);box-shadow:0 0 0 0;outline:3px solid var(--ink);outline-offset:-5px;border-style:solid}
.pt-mini .pt-sym{font-size:1.06rem}
.pt-mini .pt-nm{font-size:.75rem;opacity:.75}
.pt-legend{display:flex;flex-wrap:wrap;gap:.5rem 1.05rem;margin:1rem 0 0;font:600 .75rem var(--font-display);letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
.pt-legend span{display:inline-flex;align-items:center;gap:.42rem}
.pt-legend i{width:13px;height:13px;border:2px solid var(--line);display:inline-block;flex:none}
.lg-core{background:var(--yellow)}.lg-research{background:var(--pink)}.lg-viz{background:var(--mint)}
.lg-docs{background:var(--blue-soft)}.lg-webdev{background:var(--surface-2)}.lg-sys{background:var(--ink)}.lg-alloy{background:var(--surface)}
.sk-detail{position:relative;margin-top:1.7rem;background:var(--surface);border:2px solid var(--line);box-shadow:var(--sh);padding:1.45rem 1.5rem 1.35rem}
.sk-detail .sk-badge{top:-.9rem;left:1.1rem}
.sk-detail .sk-badge[data-cat="core"]{background:var(--yellow)}
.sk-detail .sk-badge[data-cat="research"]{background:var(--pink)}
.sk-detail .sk-badge[data-cat="viz"]{background:var(--mint)}
.sk-detail .sk-badge[data-cat="docs"]{background:var(--blue-soft)}
.sk-detail .sk-badge[data-cat="webdev"]{background:var(--surface-2)}
.sk-detail .sk-badge[data-cat="sys"]{background:#101014;color:var(--bg)}
.sk-detail .sk-badge[data-cat="alloy"]{background:var(--surface-2)}
[data-theme="dark"] .sk-detail .sk-badge[data-cat="webdev"],[data-theme="dark"] .sk-detail .sk-badge[data-cat="alloy"]{background:#2B3049;color:#F4F3EC}
[data-theme="dark"] .sk-detail .sk-badge[data-cat="sys"]{background:#F4F3EC;color:#101014}
[data-theme="dark"] .sk-detail .sk-badge[data-cat="docs"]{background:#35507A}
.skd-main{display:flex;align-items:center;gap:1.05rem;flex-wrap:wrap}
.skd-id h3{margin:0;font:700 1.75rem/1.1 var(--font-display);color:var(--ink)}
.skd-cat{margin:.2rem 0 0;font:700 .75rem var(--font-display);letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}
.skd-main .sk-meter{margin:0 0 0 auto;padding-top:0;border-top:0;gap:.6rem}
.skd-desc{margin:1rem 0 0;font:500 1.02rem/1.65 var(--font-body);color:var(--ink);max-width:72ch}
.skd-hint{margin:1rem 0 0;font:600 .76rem var(--font-body);color:var(--muted)}
.skd-hint kbd{
  display:inline-block;padding:.14rem .42rem;margin:0 .16rem;
  border:2px solid var(--line);box-shadow:0 2px 0 var(--sh-c);background:var(--surface-2);
  font:700 .75rem var(--font-display);color:var(--ink);
}
@media (max-width:1000px){
  .pt-table{grid-template-columns:repeat(6,1fr)}
  .pt-table>*{grid-area:auto!important}
  .pt-el{min-height:104px}
}
@media (max-width:700px){
  .pt-table{grid-template-columns:repeat(4,1fr);gap:.5rem}
  .pt-el{min-height:92px}
  .pt-sym{font-size:1.34rem}
  .pt-z{font-size:.75rem}
  .pt-nm{font-size:.75rem}
  .skd-main .sk-meter{margin-left:0}
  .sk-detail{padding:1.35rem 1.15rem 1.2rem}
}
@media (max-width:480px){
  .pt-table{grid-template-columns:repeat(3,1fr)}
  .pt-el{min-height:84px}
  .pt-mini{min-height:58px}
  .pt-legend{gap:.4rem .8rem}
}

/* ---------- 34. Command palette (Round 17) — ⌘K ---------- */
.pk-root{position:fixed;inset:0;z-index:200000;display:grid;place-items:start center}
.pk-root[hidden]{display:none}
.pk-backdrop{position:absolute;inset:0;background:rgba(16,16,20,.45)}
.pk-panel{
  position:relative;width:min(660px,calc(100vw - 2.5rem));margin-top:11vh;
  background:var(--surface);border:2px solid var(--line);box-shadow:10px 10px 0 rgba(16,16,20,.28);
  display:flex;flex-direction:column;max-height:70vh;
  animation:pkIn .18s ease;
}
@keyframes pkIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
.pk-head{display:flex;align-items:center;gap:.8rem;padding:.85rem 1rem;border-bottom:2px solid var(--line)}
.pk-search-ico{width:21px;height:21px;flex:none;stroke:var(--ink);stroke-width:2.4;fill:none}
.pk-input{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);font:600 1.05rem var(--font-body);outline:none}
.pk-input::placeholder{color:var(--muted)}
.pk-esc{flex:none;cursor:pointer;padding:.28rem .55rem;border:2px solid var(--line);background:var(--surface-2);box-shadow:0 2px 0 var(--sh-c);font:700 .75rem var(--font-display);letter-spacing:.09em;text-transform:uppercase;color:var(--ink)}
.pk-list{overflow-y:auto;padding:.5rem;flex:1;min-height:120px}
.pk-sec{margin:.4rem .5rem .25rem;font:700 .75rem var(--font-display);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.pk-empty{margin:1.4rem .6rem;font:600 .95rem var(--font-body);color:var(--muted)}
.pk-item{
  display:flex;align-items:center;gap:.75rem;width:100%;padding:.6rem .7rem;cursor:pointer;text-align:left;
  border:2px solid transparent;background:transparent;color:var(--ink);
  font:600 .96rem var(--font-body);
}
.pk-item.is-active{background:var(--yellow);border-color:var(--line);box-shadow:var(--sh-sm)}
.pk-item-ico{width:19px;height:19px;flex:none;stroke:var(--ink);stroke-width:2.2;fill:none}
.pk-item mark{background:transparent;color:inherit;font-weight:800;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.pk-tag{margin-left:auto;flex:none;padding:.2rem .5rem;border:2px solid var(--line);font:700 .75rem var(--font-display);letter-spacing:.1em;text-transform:uppercase;color:var(--ink)}
.pk-tag-page{background:var(--mint)}
.pk-tag-action{background:var(--pink)}
.pk-tag-tool{background:var(--blue-soft)}
[data-theme="dark"] .pk-tag-tool{background:#35507A}
.pk-foot{display:flex;align-items:center;gap:1.1rem;padding:.6rem 1rem;border-top:2px solid var(--line);font:600 .75rem var(--font-body);color:var(--muted)}
.pk-foot kbd{display:inline-block;margin-right:.1rem;padding:.12rem .38rem;border:2px solid var(--line);box-shadow:0 2px 0 var(--sh-c);background:var(--surface-2);font:700 .75rem var(--font-display);color:var(--ink)}
.pk-brand{margin-left:auto;font:700 .75rem var(--font-display);letter-spacing:.12em;text-transform:uppercase}
.pk-trigger{
  position:fixed;right:16px;bottom:76px;z-index:99990;
  display:inline-flex;align-items:center;gap:.5rem;padding:.5rem .75rem;cursor:pointer;
  border:2px solid var(--line);background:var(--surface);box-shadow:var(--sh-sm);
  font:700 .75rem var(--font-display);letter-spacing:.06em;color:var(--ink);
  transition:transform .15s ease,box-shadow .15s ease;
}
.pk-trigger:hover{transform:translate(-2px,-2px);box-shadow:var(--sh)}
.pk-trigger svg{width:15px;height:15px;stroke:var(--ink);stroke-width:2.6;fill:none}
.pk-open{overflow:hidden}
@media (max-width:600px){
  .pk-panel{margin-top:7vh;max-height:78vh}
  .pk-foot{gap:.75rem;flex-wrap:wrap}
  .pk-foot .pk-brand{display:none}
  .pk-trigger{bottom:88px;padding:.5rem .6rem}
}
@media (prefers-reduced-motion:reduce){
  .pk-panel{animation:none}
}