:root{--bg:#fff8f2;--bg2:#ffece0;--fg:#1d1410;--mut:#6b5a50;--card:#fff;--solid:#fff;--bd:#f0dccd;--ac:#c2410c;--ac2:#ff7a1a;--btnfg:#1b0b00;--ok:#0b7a52;--warn:#a15c00;--bad:#c0322a;--r:18px;--sh:0 1px 2px #5a2a0a14,0 6px 20px #5a2a0a14;--grad:linear-gradient(135deg,#ffc21f,#ff5a1f);--tg:linear-gradient(135deg,#e07a00,#dc3b12)}
:root[data-theme=dark]{--bg:#0a0910;--bg2:#17141f;--fg:#f6f2ee;--mut:#aaa0a8;--card:#14121b;--solid:#161320;--bd:#2a2433;--ac:#ff9a2e;--ac2:#ff5a1f;--ok:#4cd9a0;--warn:#f0c14b;--bad:#ff8a80;--sh:0 1px 2px #0008,0 8px 24px #0007;--tg:var(--grad)}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Noto Sans Devanagari",sans-serif;animation:fade .35s both}
a{color:var(--ac)}.wrap{max-width:1080px;margin:0 auto;padding:0 16px}main{padding:14px 0 56px;min-height:60vh}
h1{font-size:clamp(1.6rem,5vw,2.5rem);line-height:1.18;margin:.35em 0;letter-spacing:-.02em;font-weight:800}h2{font-size:1.35rem;margin:1.9em 0 .6em;letter-spacing:-.01em}h3{font-size:1.02rem;margin:0 0 .3em}
/* header */
header.top{position:sticky;top:0;z-index:30;background:var(--solid);border-bottom:1px solid var(--bd);transition:transform .28s ease}header.top.hide{transform:translateY(-100%)}
.hbar{max-width:1112px;margin:0 auto;padding:0 12px;height:58px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:10px}
.hl{display:flex;align-items:center;gap:6px}.hr{display:flex;align-items:center;gap:8px;justify-content:flex-end}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.25rem;letter-spacing:-.02em;color:var(--fg);text-decoration:none}.brand b{font-weight:800}
.brand img{width:36px;height:36px;border-radius:10px;object-fit:cover;transition:transform .3s}.brand:hover img{transform:rotate(-6deg) scale(1.08)}
.brand i{font-style:normal;background:var(--tg);-webkit-background-clip:text;background-clip:text;color:transparent}
.icon{width:40px;height:40px;border-radius:12px;border:1.5px solid var(--bd);background:var(--solid);color:var(--fg);font-size:1.15rem;cursor:pointer;display:grid;place-items:center;transition:transform .2s,border-color .15s,background .15s;padding:0}.icon:hover{border-color:var(--ac);background:var(--bg2)}
#theme:hover{transform:rotate(20deg)}
.burger{flex-direction:column;gap:4px;display:flex;justify-content:center;align-items:center}.burger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;transition:transform .25s,opacity .2s}
.burger.x span:nth-child(1){transform:translateY(6px) rotate(45deg)}.burger.x span:nth-child(2){opacity:0}.burger.x span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.dnav{display:none;gap:2px}.dnav a{color:var(--fg);text-decoration:none;font-weight:600;font-size:.93rem;padding:7px 11px;border-radius:99px;transition:background .15s,color .15s}.dnav a:hover{background:var(--bg2);color:var(--ac)}
.sb{position:relative;width:100%}.dsb{display:none;width:240px}.dsb input{padding:8px 16px;font-size:.92rem}
@media(min-width:900px){.burger{display:none}.dnav{display:flex}.dsb{display:block}.drawer,.scrim{display:none}}
.scrim{position:fixed;inset:0;background:#000b;opacity:0;pointer-events:none;transition:opacity .25s;z-index:49}.scrim.on{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;left:0;bottom:0;width:min(320px,86vw);background:var(--solid);z-index:50;transform:translateX(-102%);visibility:hidden;transition:transform .28s cubic-bezier(.2,.8,.2,1),visibility 0s .28s;padding:14px;overflow:auto;border-right:1px solid var(--bd)}
.drawer.open{transform:none;visibility:visible;transition:transform .28s cubic-bezier(.2,.8,.2,1)}.dhead{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-weight:800}
.drawer nav{margin-top:12px}.drawer nav a{display:block;padding:13px 12px;border-radius:12px;color:var(--fg);text-decoration:none;font-weight:600}.drawer nav a:hover{background:var(--bg2);color:var(--ac)}body.noscroll{overflow:hidden}
/* forms & buttons */
input,textarea,select{width:100%;font:inherit;color:var(--fg);background:var(--solid);border:1.5px solid var(--bd);border-radius:14px;padding:11px 14px;transition:border-color .15s,box-shadow .15s}
input:hover,textarea:hover,select:hover{border-color:color-mix(in srgb,var(--ac) 50%,var(--bd))}
input:focus,textarea:focus,select:focus{outline:0;border-color:var(--ac);box-shadow:0 0 0 4px color-mix(in srgb,var(--ac) 22%,transparent)}
textarea{resize:vertical}input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--ac2)}input[type=search]{border-radius:99px;padding-left:18px}:focus-visible{outline:3px solid var(--ac);outline-offset:2px}
.results{position:absolute;z-index:60;left:0;right:0;top:100%;margin-top:6px;background:var(--solid);border:1px solid var(--bd);border-radius:16px;box-shadow:var(--sh);overflow:hidden;animation:rise .18s}.results a,.results p{display:block;padding:11px 16px;margin:0;color:var(--fg);text-decoration:none}.results a:hover,.results a:focus{background:var(--bg2)}.results small{color:var(--mut)}
.btn{font:inherit;font-weight:700;background:var(--grad);color:var(--btnfg);border:0;border-radius:99px;padding:10px 20px;min-height:42px;cursor:pointer;box-shadow:0 6px 18px #ff5a1f40;transition:transform .15s,box-shadow .15s,filter .15s;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px #ff5a1f55;filter:brightness(1.06)}.btn:active{transform:scale(.97)}
.btn.ghost{background:var(--solid);color:var(--fg);border:1.5px solid var(--bd);box-shadow:none}.btn.ghost:hover{border-color:var(--ac);color:var(--ac);box-shadow:none}.btn.sm{padding:5px 14px;min-height:34px;font-size:.88rem}
.cta{background-size:200% 100%;background-image:linear-gradient(110deg,#ffc21f,#ff5a1f,#ffc21f)}.cta:hover{background-position:100% 0}
.pop{animation:pop .3s}.ic{background:none;border:0;font-size:1.35rem;cursor:pointer;color:var(--warn);margin-left:auto;border-radius:50%;width:38px;height:38px;transition:background .15s}.ic:hover{background:var(--bg2)}
.chips,.seg{display:flex;gap:8px;margin:10px 0;align-items:center}.seg{flex-wrap:wrap}.chips{overflow-x:auto;scrollbar-width:none;padding-bottom:4px}.chips::-webkit-scrollbar{display:none}
.chip{font:inherit;font-weight:600;font-size:.9rem;border:1.5px solid var(--bd);background:var(--solid);color:var(--fg);border-radius:99px;padding:6px 15px;cursor:pointer;transition:.15s;white-space:nowrap;flex:none}.chip:hover{border-color:var(--ac)}
.chip[aria-pressed=true]{background:var(--grad);color:var(--btnfg);border-color:transparent;box-shadow:0 4px 12px #ff5a1f40}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:10px 0}.bar{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.bar input{flex:1 1 180px;width:auto}
.opts{display:flex;gap:14px;flex-wrap:wrap;margin:12px 0}.opts label{display:flex;gap:8px;align-items:center;font-weight:600}.opts input[type=text],.opts input[type=number],.opts select{width:auto}
.chk{display:flex;gap:6px;align-items:center;font-size:.9rem;color:var(--mut)}.muted,.note{color:var(--mut)}.sm{font-size:.85rem}
.tool,.panel{background:var(--card);border:1px solid var(--bd);border-radius:var(--r);padding:18px;margin:14px 0;box-shadow:var(--sh)}.tool>label{font-weight:700;display:block;margin-bottom:6px}.panel{margin:12px 0}.ph2{font-size:1.05rem;margin:0 0 10px}
.cards{list-style:none;margin:14px 0;padding:0;display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.card{background:var(--card);border:1px solid var(--bd);border-radius:var(--r);padding:16px;display:block;color:var(--fg);text-decoration:none;box-shadow:var(--sh);transition:transform .18s,border-color .18s,box-shadow .18s}
a.card:hover,.cards .card:hover{transform:translateY(-3px);border-color:var(--ac);box-shadow:0 12px 28px #ff5a1f22}.card p{margin:.2em 0;color:var(--mut);font-size:.93rem}
.out{font-size:1.3rem;color:var(--fg)!important;overflow-wrap:anywhere;white-space:pre-wrap;min-height:1.7em;margin:.5em 0!important}.ph .out{opacity:.45}li[hidden],[hidden]{display:none!important}
.badge{font-size:.72rem;font-weight:700;border-radius:99px;padding:2px 10px;background:color-mix(in srgb,currentColor 13%,transparent)}.badge.high,.tag.zero{color:var(--ok)}.badge.moderate{color:var(--warn)}.badge.limited{color:var(--bad)}
/* home */
.hero{padding:14px 0 6px;text-align:center;position:relative;z-index:5}.herologo{width:min(420px,88%);height:auto;border-radius:26px;box-shadow:0 14px 44px #ff5a1f33;margin:0 auto 14px;display:block}
.hero h1{background:var(--tg);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:clamp(1.5rem,4.6vw,2.3rem)}.hero p{color:var(--mut);max-width:560px;margin:0 auto;font-size:1.02rem}
.hero .sb{max-width:440px;margin:16px auto}.hero input{padding:12px 20px;font-size:1rem;box-shadow:var(--sh)}.herocta{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:6px}
.grid3{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.crumbs{font-size:.88rem;color:var(--mut)}.crumbs a{color:var(--mut)}
details{background:var(--card);border:1px solid var(--bd);border-radius:14px;padding:12px 16px;margin:10px 0}summary{cursor:pointer;font-weight:700}details[open] summary{margin-bottom:6px}
pre{background:var(--solid);border:1px solid var(--bd);border-radius:12px;padding:12px;white-space:pre-wrap;overflow-wrap:anywhere;margin:0}
table{border-collapse:collapse;width:100%;background:var(--card);border-radius:14px;overflow:hidden}td,th{border-bottom:1px solid var(--bd);padding:10px 12px;text-align:left;vertical-align:top;overflow-wrap:anywhere}
/* footer */
footer{border-top:1px solid var(--bd);background:var(--card);color:var(--mut);font-size:.92rem;margin-top:20px}
.fgrid{display:grid;gap:22px;grid-template-columns:1.4fr 1fr 1fr 1fr;padding:30px 16px 10px;max-width:1080px;margin:0 auto}.fgrid h4{margin:0 0 8px;color:var(--fg);font-size:.95rem}.fgrid a{display:block;color:var(--mut);text-decoration:none;padding:3px 0}.fgrid a:hover{color:var(--ac)}.fgrid .brand{color:var(--fg);margin-bottom:8px}.fgrid p{margin:.3em 0}
.fbottom{max-width:1080px;margin:0 auto;padding:12px 16px 26px;border-top:1px solid var(--bd)}footer button{background:none;border:0;color:var(--mut);text-decoration:underline;cursor:pointer;font:inherit;padding:0}
@media(max-width:700px){.fgrid{grid-template-columns:1fr 1fr}.fbrand{grid-column:1/-1}}
.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);background:var(--grad);color:var(--btnfg);font-weight:700;padding:11px 22px;border-radius:99px;opacity:0;pointer-events:none;transition:.22s;z-index:70;box-shadow:var(--sh)}.toast.on{opacity:1;transform:translate(-50%,0)}
.sr,.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}form label{display:block;margin:12px 0 5px;font-weight:700}
/* invisible text generator */
.warn{background:color-mix(in srgb,var(--warn) 14%,var(--solid));border:1px solid color-mix(in srgb,var(--warn) 40%,transparent);border-radius:14px;padding:12px 16px;margin:0 0 12px;font-size:.95rem}
.qin{width:110px!important;display:inline-block}.qlab{font-weight:600;display:flex;gap:8px;align-items:center}
.lib{list-style:none;margin:0;padding:0;display:grid;gap:8px;overflow:auto}@media(min-width:700px){.lib{max-height:520px}}
.lrow{display:flex;gap:10px;align-items:center;border:1.5px solid var(--bd);border-radius:14px;padding:10px 12px;background:var(--solid);transition:.15s}.lrow.sel{border-color:var(--ac2);box-shadow:0 0 0 3px #ff5a1f2e}
.lrow label{flex:1;margin:0!important;font-weight:400!important;cursor:pointer;display:block}.ltop{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.ltop code{font-size:.82rem;color:var(--mut)}
.tag{font-size:.72rem;font-weight:700;border-radius:99px;padding:2px 10px;background:color-mix(in srgb,currentColor 13%,transparent)}.tag.blank{color:var(--warn)}
.pv{min-height:76px;border:2px dashed var(--bd);border-radius:14px;padding:14px;background:var(--solid);font-size:1.3rem;line-height:2;overflow-wrap:anywhere}
.pv .z{display:inline-block;width:3px;height:1.2em;background:var(--ac2);vertical-align:middle;margin:0 1px;border-radius:2px}.pv .b{outline:1px dashed var(--ac);outline-offset:-1px;background:color-mix(in srgb,var(--ac2) 12%,transparent)}.pv .nl{color:var(--mut);font-size:.8em}
@media(max-width:560px){.tool,.panel{padding:14px}.lrow{flex-wrap:wrap}.hbar{padding:0 10px}.brand{font-size:1.15rem}}
/* animation */
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}@keyframes pop{40%{transform:scale(.9)}}@keyframes fade{from{opacity:0}}
main>*{animation:rise .5s backwards}main>:nth-child(2){animation-delay:.05s}main>:nth-child(3){animation-delay:.1s}main>:nth-child(4){animation-delay:.15s}main>:nth-child(n+5){animation-delay:.2s}
.cards>*,.grid3>*{animation:rise .45s backwards;animation-delay:calc(var(--n,0)*35ms)}
.cards>:nth-child(2),.grid3>:nth-child(2){--n:1}.cards>:nth-child(3),.grid3>:nth-child(3){--n:2}.cards>:nth-child(4),.grid3>:nth-child(4){--n:3}.cards>:nth-child(5),.grid3>:nth-child(5){--n:4}.cards>:nth-child(6),.grid3>:nth-child(6){--n:5}.cards>:nth-child(n+7),.grid3>:nth-child(n+7){--n:6}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.hd{flex-wrap:nowrap;margin:0 0 4px}.hd strong{min-width:0}.hd .badge{white-space:nowrap}