/* Glass version of the Bento page: translucent blurred tiles over soft colour fields. Layout: a very small hero (headline and one line), then a bento grid of solid colour tiles. Depth comes from UI effects only: perspective tilt, cursor-following highlight, layered shadows, inner parallax. */
:root{
  --bg:#EFF1F6; --surface:#FFFFFF; --fg:#121828; --muted:#4F5A6E; --line:#D9DEE8; --ink:#121828; --on-dark:#FFFFFF;
  --c-ind:#2F43B8; --c-amb:#F2B632; --c-ver:#C2410C; --c-teal:#0F766E; --c-sky:#A9C7F0; --c-navy:#18213A;
  --good:#17803F; --warn:#A8480F;
  --phys:#2F6FED; --chem:#D9531F; --math:#0C8F8A; --bio:#3A9A47; --eng:#C72E69; --urdu:#A8700F;
  --sh1:rgba(18,24,40,.06); --sh2:rgba(18,24,40,.10); --sh3:rgba(18,24,40,.14);
  --glow1:rgba(47,67,184,.14); --glow2:rgba(242,182,50,.16);
  --f-body:"Atkinson Hyperlegible",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-head:"Schibsted Grotesk","Atkinson Hyperlegible",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --f-urdu:"Noto Naskh Arabic","Geeza Pro",serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0B0F18; --surface:#151B27; --fg:#E9EDF5; --muted:#A3ADBF; --line:#273041;
  --c-ind:#3C52D0; --c-ver:#CB4A14; --good:#5CD08B; --warn:#F0A06A;
  --phys:#7DA6FF; --chem:#FF8F64; --math:#4FCFC9; --bio:#79D184; --eng:#FF7FAA; --urdu:#E6B550;
  --sh1:rgba(0,0,0,.25); --sh2:rgba(0,0,0,.35); --sh3:rgba(0,0,0,.45);
  --glow1:rgba(60,82,208,.28); --glow2:rgba(242,182,50,.10);
  color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0B0F18; --surface:#151B27; --fg:#E9EDF5; --muted:#A3ADBF; --line:#273041;
  --c-ind:#3C52D0; --c-ver:#CB4A14; --good:#5CD08B; --warn:#F0A06A;
  --phys:#7DA6FF; --chem:#FF8F64; --math:#4FCFC9; --bio:#79D184; --eng:#FF7FAA; --urdu:#E6B550;
  --sh1:rgba(0,0,0,.25); --sh2:rgba(0,0,0,.35); --sh3:rgba(0,0,0,.45);
  --glow1:rgba(60,82,208,.28); --glow2:rgba(242,182,50,.10);
  color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:16px;line-height:1.5;padding-inline:16px;padding-block:0 48px;position:relative;overflow-x:hidden}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--fg);outline-offset:2px}
.glow{position:fixed;inset:0;z-index:0;pointer-events:none;background:
  radial-gradient(60vmax 40vmax at calc(78% + var(--gx,0px)) calc(8% + var(--gy,0px)),var(--glow1),transparent 60%),
  radial-gradient(45vmax 35vmax at calc(10% - var(--gx,0px)) calc(70% - var(--gy,0px)),var(--glow2),transparent 60%)}
.wrap{position:relative;z-index:1;max-width:1120px;margin-inline:auto}

.top{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;padding-block:16px}
.logo{font-family:var(--f-head);font-weight:800;font-size:1.4rem;letter-spacing:-.02em;text-decoration:none}
.nav{display:flex;flex-wrap:wrap;gap:4px 20px;font-weight:700;font-size:.95rem}
.nav a{text-decoration:none;padding:6px 0;color:var(--muted)}
.nav a.on{color:var(--fg);box-shadow:inset 0 -3px 0 var(--c-ind)}
.right{display:flex;gap:8px;align-items:center}
.pill{border:1px solid var(--line);background:var(--surface);color:var(--fg);border-radius:999px;padding:6px 14px;font-weight:700;font-size:.9rem}
.urdu{font-family:var(--f-urdu);font-size:1.05rem}
.theme{border:1px solid var(--line);background:var(--surface);color:var(--fg);border-radius:8px;padding:6px 12px;font-size:.85rem}

/* hero */
.hero{padding-block:clamp(8px,2vw,20px) clamp(18px,3vw,28px);max-width:760px}
.hero h1{font-family:var(--f-head);font-weight:800;font-size:clamp(1.5rem,3.2vw,2.2rem);line-height:1.1;letter-spacing:-.025em;margin:0;text-wrap:balance}
.hero p{margin:6px 0 0;font-size:1rem;color:var(--muted);max-width:60ch}

/* bento */
.bento{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;perspective:1400px}
.t{--rx:0deg;--ry:0deg;--mx:50%;--my:30%;position:relative;background:var(--surface);color:var(--fg);border:1px solid var(--line);border-radius:20px;padding:20px;display:grid;gap:10px;align-content:start;min-width:0;
  transform:rotateX(var(--rx)) rotateY(var(--ry));transform-style:preserve-3d;
  box-shadow:0 1px 1px var(--sh1),0 8px 16px var(--sh1),0 22px 36px var(--sh2)}
@media (prefers-reduced-motion:no-preference){.t{transition:transform .2s ease-out,box-shadow .2s ease-out}}
.t:hover{box-shadow:0 1px 1px var(--sh1),0 14px 24px var(--sh2),0 34px 54px var(--sh3)}
.t::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;
  background:radial-gradient(260px circle at var(--mx) var(--my),rgba(255,255,255,.28),transparent 60%)}
.t:hover::before{opacity:1}
@media (prefers-reduced-motion:no-preference){.t::before{transition:opacity .2s}}
.t>*{position:relative}
.t>.lab,.t>h2,.t>.big,.t>.q{transform:translateZ(18px)}
.t h2{margin:0;font-family:var(--f-head);font-weight:800;font-size:1.15rem;letter-spacing:-.01em;line-height:1.2}
.lab{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;opacity:.8}
.c2{grid-column:span 2}.c4{grid-column:span 4}.two{display:grid;grid-template-columns:1fr 1fr;column-gap:24px}
.t.ind{background:var(--c-ind);border-color:var(--c-ind);color:var(--on-dark)}
.t.amb{background:var(--c-amb);border-color:var(--c-amb);color:var(--ink)}
.t.ver{background:var(--c-ver);border-color:var(--c-ver);color:var(--on-dark)}
.t.teal{background:var(--c-teal);border-color:var(--c-teal);color:var(--on-dark)}
.t.sky{background:var(--c-sky);border-color:var(--c-sky);color:var(--ink)}
.t.navy{background:var(--c-navy);border-color:var(--c-navy);color:var(--on-dark)}
.t .sub{opacity:.85;font-size:.92rem}
.t.search h2{font-size:1.4rem}
.sbar{display:flex;background:var(--surface);border-radius:12px;padding:5px}
.sbar input{flex:1;min-width:0;font:inherit;font-size:1.02rem;border:0;background:transparent;color:var(--fg);padding:10px 12px}
.sbar input:focus-visible{outline:0}
.sbar button{border:0;border-radius:9px;background:var(--c-amb);color:var(--ink);font-weight:800;padding:10px 18px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{border:2px solid rgba(255,255,255,.55);background:transparent;color:var(--on-dark);border-radius:999px;padding:4px 12px;font-weight:700;font-size:.88rem}
.chip[aria-pressed="true"]{background:var(--on-dark);color:var(--c-ind);border-color:var(--on-dark)}
.big{font-family:var(--f-mono);font-size:3.2rem;line-height:1;font-variant-numeric:tabular-nums}
.big small{font-size:1rem}
.week{display:flex;gap:6px}
.week i{width:26px;height:26px;border-radius:50%;border:2px solid rgba(255,255,255,.6);display:grid;place-items:center;font-style:normal;font-size:.7rem;font-weight:700}
.week i.on{background:var(--on-dark);color:var(--c-ver);border-color:var(--on-dark)}
.q{font-family:var(--f-head);font-weight:700;font-size:1.1rem;line-height:1.3}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.opt{text-align:left;border:2px solid transparent;background:var(--surface);color:var(--fg);border-radius:12px;padding:9px 12px;font-weight:700;display:flex;gap:8px;align-items:center;min-width:0}
.opt b{font-family:var(--f-mono);color:var(--muted)}
.opt:hover{border-color:var(--fg)}
.opt.right{border-color:var(--good);background:color-mix(in srgb,var(--good) 18%,var(--surface))}
.opt.wrong{border-color:var(--warn);background:color-mix(in srgb,var(--warn) 18%,var(--surface))}
.fb{min-height:1.4em;font-size:.9rem}
.lvl{display:grid}
.lvl a{display:flex;align-items:center;gap:10px;padding:10px 0;border-top:1px solid var(--line);text-decoration:none;font-weight:700}
.lvl a:first-child{border-top:0}
.lvl i{width:10px;height:10px;border-radius:3px;flex:none}
.lvl span{margin-inline-start:auto;color:var(--muted);font-weight:400;font-size:.88rem;text-align:end}
.subs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.sb{--c:var(--phys);border-radius:12px;padding:10px;display:grid;gap:2px;text-decoration:none;background:color-mix(in srgb,var(--c) 14%,var(--surface));border:1px solid color-mix(in srgb,var(--c) 45%,var(--surface));min-width:0}
.sb .g{font-family:var(--f-mono);color:var(--c);font-size:1rem}
.sb b{font-size:.95rem}
.pp div{padding:9px 0;border-top:1px solid rgba(255,255,255,.25);display:flex;justify-content:space-between;gap:12px;align-items:baseline}
.pp div:first-child{border-top:0}
.pp span{font-size:.85rem;white-space:nowrap;opacity:.85}
.mini{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mini a{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:12px;padding:11px;text-decoration:none;display:grid;gap:2px;font-weight:700;min-width:0}
.mini a small{font-family:var(--f-mono);font-weight:500;font-size:.76rem;opacity:.85}
.row2{display:grid;gap:2px;padding:9px 0;border-top:1px solid var(--line)}
.row2:first-of-type{border-top:0}
.row2 em{font-style:normal;font-weight:700;color:var(--warn);font-size:.85rem}
.row2 .m{color:var(--muted);font-size:.9rem}
.link{font-weight:800;text-decoration:underline;text-underline-offset:3px}
.foot{padding-block:28px 0;color:var(--muted);font-size:.85rem;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}

@media (max-width:900px){.bento{grid-template-columns:repeat(2,minmax(0,1fr))}.c4{grid-column:span 2}}
@media (max-width:620px){
  .bento{grid-template-columns:1fr}
  .c2,.c4{grid-column:auto}
  .two{grid-template-columns:1fr}
  .opts{grid-template-columns:1fr}
  .subs{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* ===== glass overrides ===== */
:root{
  --g-fill:rgba(255,255,255,.52); --g-bd:rgba(255,255,255,.75); --g-edge:rgba(255,255,255,.95);
  --bl1:#8EA2FF; --bl2:#FFCB66; --bl3:#52D6B9; --bl4:#FF9F82; --bl-o:.7;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --g-fill:rgba(255,255,255,.07); --g-bd:rgba(255,255,255,.16); --g-edge:rgba(255,255,255,.30);
  --bl1:#3447D0; --bl2:#B27A10; --bl3:#0C8F80; --bl4:#A83A14; --bl-o:.6}}
:root[data-theme="dark"]{
  --g-fill:rgba(255,255,255,.07); --g-bd:rgba(255,255,255,.16); --g-edge:rgba(255,255,255,.30);
  --bl1:#3447D0; --bl2:#B27A10; --bl3:#0C8F80; --bl4:#A83A14; --bl-o:.6}

.glow{background:none;overflow:hidden}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:var(--bl-o);
  transform:translate(calc(var(--gx,0px)*var(--k,1)),calc(var(--gy,0px)*var(--k,1)))}
.blob.a{width:52vmax;height:52vmax;right:-14vmax;top:-18vmax;background:var(--bl1);--k:1}
.blob.b{width:40vmax;height:40vmax;left:-14vmax;top:22vh;background:var(--bl2);--k:-1.4}
.blob.c{width:46vmax;height:46vmax;left:22vw;top:62vh;background:var(--bl3);--k:1.8}
.blob.d{width:34vmax;height:34vmax;right:-8vmax;top:54vh;background:var(--bl4);--k:-1}
@media (prefers-reduced-motion:no-preference){
  .blob{animation:drift 22s ease-in-out infinite alternate}
  .blob.b{animation-duration:28s}.blob.c{animation-duration:34s}.blob.d{animation-duration:25s}
  @keyframes drift{to{margin-top:4vmax;margin-left:-3vmax}}
}

.pill,.theme{background:var(--g-fill);border-color:var(--g-bd);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.t{background:var(--g-fill);border:1px solid var(--g-bd);-webkit-backdrop-filter:blur(22px) saturate(1.6);backdrop-filter:blur(22px) saturate(1.6);
  box-shadow:inset 0 1px 0 var(--g-edge),0 8px 24px var(--sh1),0 24px 48px var(--sh2)}
.t:hover{box-shadow:inset 0 1px 0 var(--g-edge),0 14px 30px var(--sh2),0 34px 60px var(--sh3)}
.t.ind{background:color-mix(in srgb,var(--c-ind) 82%,transparent);border-color:rgba(255,255,255,.35)}
.t.amb{background:color-mix(in srgb,var(--c-amb) 76%,transparent);border-color:rgba(255,255,255,.5)}
.t.ver{background:color-mix(in srgb,var(--c-ver) 82%,transparent);border-color:rgba(255,255,255,.35)}
.t.teal{background:color-mix(in srgb,var(--c-teal) 80%,transparent);border-color:rgba(255,255,255,.35)}
.t.sky{background:color-mix(in srgb,var(--c-sky) 68%,transparent);border-color:rgba(255,255,255,.55)}
.t.navy{background:color-mix(in srgb,var(--c-navy) 72%,transparent);border-color:rgba(255,255,255,.2)}
.sbar,.opt{background:color-mix(in srgb,var(--surface) 88%,transparent)}
.sb{background:color-mix(in srgb,var(--c) 14%,transparent);border-color:color-mix(in srgb,var(--c) 45%,transparent)}
.lvl a,.row2{border-top-color:color-mix(in srgb,var(--fg) 14%,transparent)}
.t.search h2{text-shadow:0 1px 0 rgba(0,0,0,.08)}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .t{background:var(--surface)}
  .t.ind{background:var(--c-ind)}.t.amb{background:var(--c-amb)}.t.ver{background:var(--c-ver)}.t.teal{background:var(--c-teal)}.t.sky{background:var(--c-sky)}.t.navy{background:var(--c-navy)}
}

/* ===== site pages ===== */
.wrap{padding-bottom:8px}
.crumbs{font-size:.88rem;color:var(--muted);margin:0 0 10px}
.crumbs a{text-decoration:none}
.crumbs a:hover{text-decoration:underline}
h1.page{font-family:var(--f-head);font-weight:800;font-size:clamp(1.6rem,3.4vw,2.4rem);line-height:1.1;letter-spacing:-.028em;margin:0 0 6px}
.lead{color:var(--muted);margin:0 0 18px;max-width:64ch}
.filters{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;align-items:end}
.filters label{display:grid;gap:4px;font-size:.82rem;font-family:var(--f-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.filters label.chk{display:flex;align-items:center;gap:8px;padding:10px 0;font-family:var(--f-body);font-size:.95rem;letter-spacing:0;text-transform:none;color:var(--fg)}
.filters .chk input{width:auto}
.filters input,.filters select{font:inherit;font-size:1rem;letter-spacing:0;text-transform:none;color:var(--fg);background:color-mix(in srgb,var(--surface) 88%,transparent);border:1px solid var(--line);border-radius:10px;padding:10px;width:100%;min-width:0}
.btn{border:0;border-radius:10px;background:var(--c-ind);color:var(--on-dark);font-weight:800;padding:11px 18px;text-decoration:none;display:inline-block;text-align:center}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line)}
.results{display:grid;gap:0;margin-top:14px}
.res{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 16px;align-items:center;padding:14px 4px;border-top:1px solid color-mix(in srgb,var(--fg) 14%,transparent);text-decoration:none}
.res:first-child{border-top:0}
.res b{font-size:1.05rem}
.res span{color:var(--muted);font-size:.9rem}
.res:hover b{text-decoration:underline}
.tag{font-family:var(--f-mono);font-size:.72rem;border:1px solid var(--line);border-radius:4px;padding:1px 6px;color:var(--muted);white-space:nowrap}
.tag.ok{color:var(--good);border-color:var(--good)}
.pager{display:flex;gap:10px;align-items:center;justify-content:center;margin-top:20px;flex-wrap:wrap}
.empty{padding:22px 4px;color:var(--muted)}
.pdf{width:100%;height:min(78vh,860px);border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.meta{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:0}
.meta dt{color:var(--muted)} .meta dd{margin:0;min-width:0}
.cols2{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:14px;align-items:start}
.form{display:grid;gap:12px;max-width:560px}
.form label{display:grid;gap:4px;font-weight:700}
.form input,.form textarea{font:inherit;color:var(--fg);background:color-mix(in srgb,var(--surface) 90%,transparent);border:1px solid var(--line);border-radius:10px;padding:10px}
.hp{position:absolute;left:-9999px}
.msg{padding:10px 14px;border-radius:10px;background:color-mix(in srgb,var(--warn) 18%,var(--surface))}
.prose{max-width:70ch}
.prose h2{font-family:var(--f-head);margin:1.4em 0 .4em}
.prose a{text-decoration:underline}
.foot a{text-decoration:none}
.foot a:hover{text-decoration:underline}
.footlinks{display:flex;flex-wrap:wrap;gap:6px 18px}
.t.plain{transform:none!important}
.sub-count{font-family:var(--f-mono);font-size:.78rem;color:var(--muted)}
.lvl a .lc{margin-inline-start:auto;color:var(--muted);font-weight:400;font-size:.88rem}
@media (max-width:820px){.cols2{grid-template-columns:1fr}.res{grid-template-columns:1fr}}


/* wordmark: same construction as brodidit.com (ink blot mark, bro / did / it in the three ink colours) */
.wordmark{display:flex;align-items:center;white-space:nowrap;text-decoration:none}
.mark{display:inline-flex;align-items:center;gap:.5em;line-height:1;font-size:22px}
.mark b{font-family:"Bricolage Grotesque","Schibsted Grotesk",system-ui,sans-serif;font-weight:800;letter-spacing:-.035em;font-size:1em}
.markC{color:#0091d5}.markM{color:#e0007c}.markY{color:#b07d00}
.markT{color:var(--fg)}
.markBlot{width:1.32em;height:1.32em;display:block;isolation:isolate;flex:0 0 auto}
.markIcon{width:1.5em;height:1.5em;display:block;flex:0 0 auto}

/* ===== calculators ===== */
.toolcard{text-decoration:none}
.toolcard h2{margin:0}
.tools-grid{margin-top:6px}
.calc{display:block}
.calc-cols{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:20px;align-items:start}
.calc .rows{display:grid;gap:8px;margin:10px 0}
.calc input,.calc select{font:inherit;font-size:1rem;color:var(--fg);background:color-mix(in srgb,var(--surface) 90%,transparent);border:1px solid var(--line);border-radius:10px;padding:9px 10px;width:100%;min-width:0}
.calc input:focus-visible,.calc select:focus-visible{outline:3px solid var(--c-ind);outline-offset:1px}
.calc input.bad{border-color:var(--warn)}
.row3{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.8fr) minmax(0,.8fr) auto;gap:8px;align-items:center}
.row4{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr) minmax(0,1fr) auto;gap:8px;align-items:center}
.rm{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:8px;width:34px;height:34px;font-size:1.1rem;line-height:1}
.rm:hover{color:var(--fg);border-color:var(--fg)}
.out-box{background:color-mix(in srgb,var(--c-ind) 14%,var(--surface));border:1px solid color-mix(in srgb,var(--c-ind) 35%,var(--line));border-radius:16px;padding:16px;display:grid;gap:8px;align-content:start}
.out-big{font-family:var(--f-mono);font-size:clamp(2.4rem,6vw,3.4rem);line-height:1;font-variant-numeric:tabular-nums}
.out-big small{font-size:1.2rem;margin-inline-start:4px}
.out-inline{align-self:end;padding-bottom:10px}
.sep{border:0;border-top:1px solid color-mix(in srgb,var(--fg) 14%,transparent);margin:18px 0}
.field{display:grid;gap:4px;font-size:.85rem;font-family:var(--f-mono);letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.field input,.field select{text-transform:none;letter-spacing:0;font-family:var(--f-body)}
.field-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;align-items:end;margin-top:8px}
.field-row.four{grid-template-columns:repeat(auto-fit,minmax(120px,1fr))}
.agg{display:grid;gap:8px;margin-top:12px}
.agg-row{display:grid;grid-template-columns:70px minmax(0,1fr) minmax(0,1fr) minmax(0,.7fr);gap:8px;align-items:center}
.agg-row.head{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.err{margin:10px 0 0;padding:8px 12px;border-radius:10px;background:color-mix(in srgb,var(--warn) 18%,var(--surface));font-size:.92rem}
.faq-q{font-family:var(--f-head);font-size:1.02rem;margin:1em 0 .2em}
.prose h2:first-child{margin-top:0}
@media (max-width:820px){
  .calc-cols{grid-template-columns:1fr}
  .calc-cols .out-box{order:-1;position:sticky;top:8px;z-index:2}
  .row3,.row4{grid-template-columns:1fr 1fr auto}
  .row3 .name,.row4 .name{grid-column:1/-1}
}
.mini4{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.wc-text{display:block;width:100%;min-height:260px;margin:8px 0 10px;font:inherit;font-size:1rem;line-height:1.6;color:var(--fg);background:color-mix(in srgb,var(--surface) 90%,transparent);border:1px solid var(--line);border-radius:12px;padding:12px;resize:vertical}
.wc-text:focus-visible{outline:3px solid var(--c-ind);outline-offset:1px}
.unit-all{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:6px 24px;margin-top:8px}
.unit-all .ua{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px solid color-mix(in srgb,var(--fg) 10%,transparent)}
.unit-all .ua span{color:var(--muted)}
.unit-all .ua b{font-family:var(--f-mono);font-variant-numeric:tabular-nums;font-weight:600}
.tablewrap{overflow-x:auto;margin-top:8px}
.pattern{width:100%;border-collapse:collapse;min-width:520px}
.pattern th,.pattern td{text-align:start;padding:9px 10px;border-bottom:1px solid color-mix(in srgb,var(--fg) 12%,transparent);vertical-align:top}
.pattern thead th{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:500}
.pattern tbody th{font-weight:600}
@media (max-width:640px){
  .pattern{min-width:0}
  .pattern thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .pattern tr{display:block;padding:10px 0;border-bottom:1px solid color-mix(in srgb,var(--fg) 12%,transparent)}
  .pattern th,.pattern td{display:block;border:0;padding:2px 0}
  .pattern td{display:flex;justify-content:space-between;gap:12px}
  .pattern td::before{content:attr(data-label);color:var(--muted);font-size:.9rem}
}
html[lang="ur"] .pattern thead th{font-family:var(--f-urdu);letter-spacing:0;text-transform:none;font-size:.92rem}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.drop{display:grid;gap:4px;place-items:center;text-align:center;padding:26px 16px;border:2px dashed color-mix(in srgb,var(--fg) 30%,transparent);border-radius:14px;cursor:pointer;margin-bottom:10px}
.drop:hover,.sr:focus-visible+*{border-color:var(--c-ind)}
.drop span{color:var(--muted);font-size:.92rem}
.files{list-style:none;margin:8px 0;padding:0;display:grid;gap:6px}
.file{display:flex;gap:6px;align-items:center;padding:6px 8px;border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--surface) 80%,transparent)}
.file .fname{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rm:disabled{opacity:.35;cursor:default}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 4px}
.btn:disabled{opacity:.45;cursor:default}

/* ===== language switch and Urdu (right to left) ===== */
.langswitch{text-decoration:none;font-weight:700}
html[lang="ur"] body{font-family:var(--f-urdu),var(--f-body);line-height:1.95}
html[lang="ur"] h1,html[lang="ur"] h2,html[lang="ur"] h3,html[lang="ur"] .page,html[lang="ur"] .q{font-family:var(--f-urdu),var(--f-head);font-weight:700;letter-spacing:0;line-height:1.5}
html[lang="ur"] .hero h1{font-size:clamp(1.7rem,3.6vw,2.4rem)}
html[lang="ur"] .lab,html[lang="ur"] .field,html[lang="ur"] .agg-row.head,html[lang="ur"] .badge{font-family:var(--f-urdu);letter-spacing:0;text-transform:none;font-size:.92rem}
html[lang="ur"] .nav a,html[lang="ur"] .btn,html[lang="ur"] .chip,html[lang="ur"] .pill,html[lang="ur"] .theme,html[lang="ur"] .tag,html[lang="ur"] .crumbs{font-family:var(--f-urdu);letter-spacing:0}
html[lang="ur"] input,html[lang="ur"] select,html[lang="ur"] textarea,html[lang="ur"] button{font-family:var(--f-urdu),var(--f-body)}
html[lang="ur"] .sbar button,html[lang="ur"] .res b{font-weight:700}
html[lang="ur"] .t{line-height:1.8}
html[lang="ur"] .glow{transform:scaleX(-1)}