:root{
  --bg:#08080c; --bg-2:#0e0e15; --bg-3:#15151f;
  --border:rgba(255,255,255,.08); --border-strong:rgba(255,255,255,.14);
  --text:#f2f2f7; --text-muted:#8b889e; --text-dim:#5d5b6e;
  --accent:#4d7cff; --accent-soft:rgba(77,124,255,.14); --accent-line:rgba(77,124,255,.4);
  --glass:rgba(255,255,255,.03); --shadow:0 24px 60px -20px rgba(0,0,0,.7);
  --ok:#34d399; --warn:#e0a84e; --bad:#ef5350;
  --fd:'Space Grotesk',sans-serif; --fb:'DM Sans',sans-serif; --max-w:1180px;
  --ease:cubic-bezier(.16,1,.3,1);
}
[data-theme="light"]{
  --bg:#f6f6f9; --bg-2:#fff; --bg-3:#f0f0f5;
  --border:rgba(15,15,30,.08); --border-strong:rgba(15,15,30,.14);
  --text:#13131c; --text-muted:#56566a; --text-dim:#8c8c9e;
  --glass:rgba(15,15,30,.02); --shadow:0 24px 60px -24px rgba(40,40,80,.18); --accent-soft:rgba(77,124,255,.1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{background:var(--bg);color:var(--text);font-family:var(--fb);font-size:1rem;line-height:1.65;overflow-x:hidden;transition:background .5s var(--ease),color .5s var(--ease)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
ul{list-style:none}
.ac{color:var(--accent)}
.link{color:var(--accent)}
.link:hover{text-decoration:underline}
.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 clamp(1.25rem,5vw,2.5rem)}
.section{padding:clamp(3.5rem,7vw,6rem) 0}
.eyebrow{font-size:.74rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}

/* bg */
.bg-field{position:fixed;inset:0;z-index:-2;overflow:hidden;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.42;will-change:transform}
.blob.a{width:44vw;height:44vw;background:radial-gradient(circle,#4d7cff,transparent 70%);top:-14vw;left:-8vw;animation:d1 24s ease-in-out infinite}
.blob.b{width:36vw;height:36vw;background:radial-gradient(circle,#7b4dff,transparent 70%);bottom:-12vw;right:-6vw;animation:d2 30s ease-in-out infinite}
[data-theme="light"] .blob{opacity:.22}
@keyframes d1{50%{transform:translate(7vw,5vw) scale(1.1)}}
@keyframes d2{50%{transform:translate(-6vw,-4vw) scale(1.12)}}

/* nav */
nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:all .4s var(--ease)}
nav.scrolled{background:color-mix(in srgb,var(--bg) 80%,transparent);backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;max-width:var(--max-w);margin:0 auto;padding:0 clamp(1.25rem,5vw,2.5rem)}
.logo{display:flex;align-items:center;gap:.55rem;font-family:var(--fd);font-weight:700;font-size:1.12rem;letter-spacing:-.02em}
.logo-mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#7b4dff);display:grid;place-items:center;color:#fff;font-size:.9rem}
.nav-links{display:flex;gap:1.7rem}
.nav-links a{font-size:.9rem;color:var(--text-muted);transition:color .25s}
.nav-links a:hover{color:var(--text)}
.nav-right{display:flex;align-items:center;gap:.8rem}
.theme-btn{width:36px;height:36px;border-radius:9px;border:1px solid var(--border);display:grid;place-items:center;background:var(--glass)}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.65rem 1.3rem;border-radius:9px;font-family:var(--fd);font-weight:600;font-size:.88rem;transition:all .35s var(--ease)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px var(--accent-soft)}
main{padding-top:104px;padding-bottom:4rem;min-height:70vh}

/* breadcrumb + head */
.crumbs{display:flex;align-items:center;gap:.5rem;font-size:.84rem;color:var(--text-dim);margin-bottom:1.4rem;flex-wrap:wrap}
.crumbs a{color:var(--text-muted)}.crumbs a:hover{color:var(--accent)}
.crumbs .cur{color:var(--text)}
.tool-head{margin-bottom:2.2rem;max-width:60ch}
.page-h1{font-family:var(--fd);font-weight:700;font-size:clamp(1.9rem,4vw,2.9rem);letter-spacing:-.025em;line-height:1.05;margin:.6rem 0 .7rem}
.lead{font-size:clamp(1.02rem,1.5vw,1.18rem);color:var(--text-muted);max-width:50ch}

/* widget shell */
.tool-widget{border:1px solid var(--border-strong);border-radius:18px;background:var(--bg-2);box-shadow:var(--shadow);padding:clamp(1.3rem,3vw,2rem);margin-bottom:3rem}

/* generic form fields (shared by tools) */
.fld{display:block;margin-bottom:1.1rem}
.fld>span{display:flex;justify-content:space-between;font-size:.84rem;color:var(--text-muted);margin-bottom:.4rem}
.fld>span em{font-style:normal;color:var(--text-dim);font-variant-numeric:tabular-nums}
.fld input,.fld textarea,.fld select{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:.7rem .85rem;font-size:.95rem;transition:border-color .25s}
.fld input:focus,.fld textarea:focus,.fld select:focus{outline:none;border-color:var(--accent-line)}
.fld textarea{resize:vertical}
.fld-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.meter{height:3px;border-radius:3px;background:var(--border);margin-top:.45rem;overflow:hidden}
.meter i{display:block;height:100%;width:0;transition:width .3s,background .3s}
.cur-input{display:flex;gap:.5rem}
.cur-input select{width:auto;flex:0 0 auto}
.cur-input input{flex:1}

/* ---- Meta Tag Generator ---- */
.mtg-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
.prev-label{font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);margin:0 0 .6rem}
.serp{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:1rem 1.1rem;margin-bottom:1.6rem}
.serp-url{font-size:.82rem;color:var(--text-muted)}
.serp-title{color:#7aa0ff;font-size:1.18rem;font-family:var(--fd);margin:.2rem 0 .25rem;line-height:1.3;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.serp-desc{font-size:.88rem;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.social{background:var(--bg);border:1px solid var(--border);border-radius:10px;overflow:hidden}
.social-img{aspect-ratio:1.91/1;background:var(--bg-3) center/cover no-repeat;display:grid;place-items:center;color:var(--text-dim);font-size:.8rem}
.social-img.has span{display:none}
.social-body{padding:.8rem 1rem}
.social-site{font-size:.74rem;text-transform:uppercase;color:var(--text-dim);letter-spacing:.05em}
.social-title{font-family:var(--fd);font-weight:600;font-size:1rem;margin:.15rem 0;line-height:1.25;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.social-desc{font-size:.83rem;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mtg-out{margin-top:1.6rem;border-top:1px solid var(--border);padding-top:1.4rem}
.out-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:.7rem;font-size:.86rem;color:var(--text-muted)}
.copy-btn{border:1px solid var(--border-strong);border-radius:8px;padding:.4rem .85rem;font-size:.82rem;background:var(--glass);transition:border-color .25s}
.copy-btn:hover{border-color:var(--accent-line)}
.code{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:1rem;overflow-x:auto;font-size:.82rem;line-height:1.6}
.code code{font-family:ui-monospace,'SF Mono',Menlo,monospace;color:var(--text);white-space:pre}

/* ---- Keyword Density ---- */
.kdc-input{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:1rem;font-size:.95rem;line-height:1.6;resize:vertical}
.kdc-input:focus{outline:none;border-color:var(--accent-line)}
.kdc-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:.8rem;margin:1.2rem 0}
.ks{background:var(--bg);border:1px solid var(--border);border-radius:11px;padding:.9rem;text-align:center}
.ks-n{font-family:var(--fd);font-weight:700;font-size:1.5rem;line-height:1}
.ks-n small{font-size:.9rem;color:var(--text-dim)}
.ks-l{font-size:.78rem;color:var(--text-dim);margin-top:.3rem}
.kdc-tabs{display:flex;gap:.5rem;margin-bottom:1rem;flex-wrap:wrap}
.kt{border:1px solid var(--border);border-radius:999px;padding:.45rem 1rem;font-size:.85rem;color:var(--text-muted);transition:.25s}
.kt.active{background:var(--accent-soft);border-color:var(--accent-line);color:var(--text)}
.kdc-empty{color:var(--text-dim);text-align:center;padding:2rem}
.kdc-row{display:grid;grid-template-columns:1fr 60px 130px;gap:1rem;align-items:center;padding:.6rem .2rem;border-bottom:1px solid var(--border);font-size:.9rem}
.kdc-head{color:var(--text-dim);font-size:.76rem;text-transform:uppercase;letter-spacing:.06em}
.kd-term em{color:var(--warn);font-style:normal;cursor:help}
.kdc-row.warn .kd-term{color:var(--warn)}
.kd-dens{position:relative;color:var(--text-muted)}
.kd-dens i{position:absolute;left:0;bottom:-4px;height:3px;background:var(--accent);border-radius:3px}
.kdc-row.warn .kd-dens i{background:var(--warn)}

/* ---- EMI ---- */
.emi-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:2rem}
.emi-result{background:var(--bg);border:1px solid var(--border);border-radius:14px;padding:1.4rem}
.emi-emi{display:flex;flex-direction:column;gap:.2rem;margin-bottom:1.3rem}
.emi-emi .lbl{font-size:.82rem;color:var(--text-dim)}
.emi-emi .val{font-family:var(--fd);font-weight:700;font-size:2.2rem;letter-spacing:-.02em;color:var(--accent)}
.split-bar{display:flex;height:12px;border-radius:6px;overflow:hidden;background:var(--bg-3);margin-bottom:.7rem}
.split-bar i{height:100%;transition:width .4s}
.pp{background:var(--accent)}.pi{background:#7b4dff}
.split-key{display:flex;gap:1.3rem;font-size:.85rem;color:var(--text-muted);flex-wrap:wrap}
.split-key b{color:var(--text);margin-left:.3rem}
.dot{display:inline-block;width:9px;height:9px;border-radius:3px;margin-right:.4rem}
.emi-totals{display:flex;gap:1.5rem;margin-top:1.3rem;padding-top:1.2rem;border-top:1px solid var(--border);flex-wrap:wrap}
.emi-totals div{display:flex;flex-direction:column}
.emi-totals span{font-size:.8rem;color:var(--text-dim)}
.emi-totals b{font-family:var(--fd);font-size:1.05rem}
.emi-sched{margin-top:1.4rem;border:1px solid var(--border);border-radius:11px;padding:0 1.1rem}
.emi-sched summary{cursor:pointer;padding:.9rem 0;font-size:.9rem;color:var(--text-muted)}
.sc-row{display:grid;grid-template-columns:50px 1fr 1fr 1fr;gap:.8rem;padding:.5rem 0;font-size:.85rem;border-top:1px solid var(--border)}
.sc-head{color:var(--text-dim);font-size:.74rem;text-transform:uppercase}

/* ---- Profit Margin ---- */
.pmc-mode{display:flex;gap:.5rem;margin-bottom:1.4rem;flex-wrap:wrap}
.pm{border:1px solid var(--border);border-radius:999px;padding:.5rem 1.1rem;font-size:.86rem;color:var(--text-muted);transition:.25s}
.pm.active{background:var(--accent-soft);border-color:var(--accent-line);color:var(--text)}
.pmc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-bottom:1.4rem}
.pmc-out{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.po{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:1.1rem;text-align:center}
.po.hi{border-color:var(--accent-line);background:linear-gradient(160deg,var(--accent-soft),transparent)}
.po span{font-size:.8rem;color:var(--text-dim);display:block;margin-bottom:.3rem}
.po b{font-family:var(--fd);font-weight:700;font-size:1.5rem;letter-spacing:-.02em}
.pmc-note{margin-top:1.1rem;font-size:.88rem;color:var(--text-muted)}

/* placeholder */
.placeholder-tool{text-align:center;padding:2rem 1rem}
.ph-icon{font-size:2.4rem;margin-bottom:.6rem}
.placeholder-tool h3{font-family:var(--fd);font-weight:600;margin-bottom:.5rem}
.placeholder-tool p{color:var(--text-muted);max-width:48ch;margin:0 auto 1.2rem}
.placeholder-tool code{background:var(--bg-3);padding:.1rem .4rem;border-radius:5px;font-size:.85em}

/* body copy + faq + related */
.tool-copy{max-width:65ch;margin-bottom:3rem}
.tool-copy h2,.tool-faq h2,.related h2{font-family:var(--fd);font-weight:600;font-size:1.4rem;margin-bottom:1rem}
.tool-copy p{color:var(--text-muted)}
.tool-faq{max-width:760px;margin-bottom:3rem}
.faq{border-bottom:1px solid var(--border)}
.faq-q{width:100%;display:flex;justify-content:space-between;gap:1rem;align-items:center;padding:1.1rem 0;text-align:left;font-family:var(--fd);font-weight:500;font-size:1rem}
.faq-q span{color:var(--accent);transition:transform .3s}
.faq.open .faq-q span{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq-a p{padding-bottom:1.1rem;color:var(--text-muted);font-size:.92rem}
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.rel-card{border:1px solid var(--border);border-radius:13px;padding:1.1rem;background:var(--glass);transition:.3s var(--ease);display:flex;flex-direction:column;gap:.35rem}
.rel-card:hover{transform:translateY(-3px);border-color:var(--border-strong)}
.rel-name{font-family:var(--fd);font-weight:600;font-size:.98rem}
.rel-tag{font-size:.82rem;color:var(--text-dim);line-height:1.4}

/* category grid */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.tool-card{border:1px solid var(--border);border-radius:15px;padding:1.4rem;background:var(--glass);display:flex;flex-direction:column;gap:.5rem;transition:.35s var(--ease);min-height:160px}
.tool-card:hover{transform:translateY(-4px);border-color:var(--border-strong);background:color-mix(in srgb,var(--bg-2) 80%,transparent)}
.tc-top{display:flex;justify-content:space-between;align-items:center}
.tc-cat{font-size:.76rem;color:var(--text-dim)}
.tc-pro{font-size:.68rem;color:var(--accent);border:1px solid var(--accent-line);border-radius:999px;padding:.1rem .5rem}
.tc-name{font-family:var(--fd);font-weight:600;font-size:1.12rem}
.tc-tag{font-size:.86rem;color:var(--text-muted);flex:1}
.tc-go{font-size:.84rem;color:var(--accent);font-weight:600}

/* footer */
footer{border-top:1px solid var(--border);padding:3.5rem 0 2rem;margin-top:2rem}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2rem;margin-bottom:2.5rem}
.foot-tag{font-size:.88rem;color:var(--text-muted);max-width:32ch;margin-top:.8rem}
.foot-col h5{font-family:var(--fd);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);margin-bottom:.9rem}
.foot-col a{display:block;font-size:.88rem;color:var(--text-muted);padding:.28rem 0}
.foot-col a:hover{color:var(--text)}
.foot-bottom{display:flex;justify-content:space-between;padding-top:1.8rem;border-top:1px solid var(--border);font-size:.83rem;color:var(--text-dim);flex-wrap:wrap;gap:.8rem}

/* home */
.home-hero{padding:1rem 0 3rem}
.home-hero h1{font-family:var(--fd);font-weight:700;font-size:clamp(2.2rem,5vw,3.8rem);letter-spacing:-.03em;line-height:1.04;max-width:18ch}
.home-hero h1 .ac{color:var(--accent)}
.home-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem;margin-top:1rem}
.hc{border:1px solid var(--border);border-radius:16px;padding:1.5rem;background:var(--glass);transition:.35s var(--ease)}
.hc:hover{transform:translateY(-4px);border-color:var(--border-strong)}
.hc .ico{font-size:1.8rem}
.hc h3{font-family:var(--fd);font-weight:600;font-size:1.2rem;margin:.5rem 0 .3rem}
.hc p{font-size:.88rem;color:var(--text-muted)}
.hc .n{font-size:.8rem;color:var(--accent);font-weight:600;margin-top:.6rem;display:block}

@media(max-width:880px){
  .mtg-grid,.emi-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid,.home-cats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:620px){
  .nav-links{display:none}
  .fld-row,.kdc-stats,.pmc-grid,.pmc-out{grid-template-columns:1fr 1fr}
  .rel-grid,.cat-grid,.home-cats,.foot-grid{grid-template-columns:1fr}
  main{padding-top:92px}
}

/* ---- shared widget helpers (loan, mortgage, %, discount, roi, gst, vat, salary, utm, robots, hreflang, sitemap, og, serp, schema, word) ---- */
.seg{display:flex;gap:.4rem;margin-bottom:1.3rem;flex-wrap:wrap}
.seg button{border:1px solid var(--border);border-radius:999px;padding:.45rem 1rem;font-size:.85rem;color:var(--text-muted);transition:.25s}
.seg button.active{background:var(--accent-soft);border-color:var(--accent-line);color:var(--text)}
.res-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin-top:1.4rem}
.res{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:1.1rem;text-align:center}
.res.hi{border-color:var(--accent-line);background:linear-gradient(160deg,var(--accent-soft),transparent)}
.res span{font-size:.8rem;color:var(--text-dim);display:block;margin-bottom:.3rem}
.res b{font-family:var(--fd);font-weight:700;font-size:1.45rem;letter-spacing:-.02em}
.rows-wrap{display:flex;flex-direction:column;gap:.6rem;margin-bottom:1rem}
.row-line{display:flex;gap:.5rem;align-items:center}
.row-line input,.row-line select{flex:1;background:var(--bg);border:1px solid var(--border);border-radius:9px;padding:.6rem .7rem;font-size:.9rem;min-width:0}
.row-line input:focus,.row-line select:focus{outline:none;border-color:var(--accent-line)}
.row-del{flex:0 0 auto;width:36px;height:36px;border:1px solid var(--border);border-radius:8px;color:var(--text-dim)}
.row-del:hover{color:var(--bad);border-color:var(--bad)}
.add-row{border:1px dashed var(--border-strong);border-radius:9px;padding:.55rem 1rem;font-size:.85rem;color:var(--text-muted);align-self:flex-start;transition:.25s}
.add-row:hover{border-color:var(--accent-line);color:var(--text)}
.note{margin-top:1rem;font-size:.88rem;color:var(--text-muted)}

/* ---- batch 2: developer + utility widgets ---- */
.out-area{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:.85rem;font-family:ui-monospace,'SF Mono',Menlo,monospace;font-size:.85rem;line-height:1.55;min-height:130px;resize:vertical;color:var(--text);white-space:pre-wrap;word-break:break-word}
.out-area:focus{outline:none;border-color:var(--accent-line)}
.tool-err{color:var(--bad);font-size:.88rem;margin-top:.7rem}
.tool-ok{color:var(--ok);font-size:.88rem;margin-top:.7rem}
.btn-row{display:flex;gap:.6rem;flex-wrap:wrap;margin:1rem 0}
.mini-btn{border:1px solid var(--border-strong);border-radius:9px;padding:.55rem 1.1rem;font-size:.86rem;font-family:var(--fd);font-weight:600;background:var(--glass);transition:.25s}
.mini-btn:hover{border-color:var(--accent-line)}
.mini-btn.solid{background:var(--accent);color:#fff;border-color:var(--accent)}
.pw-display{display:flex;gap:.6rem;align-items:center;margin-bottom:.4rem}
.pw-display input{flex:1;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:.8rem .9rem;font-family:ui-monospace,monospace;font-size:1.05rem}
.pw-bar{height:6px;border-radius:4px;background:var(--bg-3);overflow:hidden;margin:.3rem 0 .3rem}
.pw-bar i{display:block;height:100%;width:0;transition:width .3s,background .3s}
.pw-label{font-size:.82rem;color:var(--text-dim)}
.check-row{display:flex;gap:1.2rem;flex-wrap:wrap;margin:1rem 0}
.check-row label{display:flex;align-items:center;gap:.45rem;font-size:.9rem;color:var(--text-muted);cursor:pointer}
.qr-box{display:grid;place-items:center;padding:1.4rem;background:#fff;border-radius:14px;width:max-content;max-width:100%;margin:1.2rem auto 0}
.qr-box img,.qr-box canvas{display:block}
.swatches{display:grid;grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:.7rem;margin-top:1.2rem}
.sw{aspect-ratio:1.3;border-radius:10px;border:1px solid var(--border);position:relative;cursor:pointer;overflow:hidden}
.sw span{position:absolute;left:0;right:0;bottom:0;font-size:.7rem;text-align:center;background:rgba(0,0,0,.5);color:#fff;padding:.2rem;font-family:ui-monospace,monospace}
.grad-preview{height:170px;border-radius:14px;border:1px solid var(--border);margin-bottom:1.1rem}
mark{background:var(--accent-soft);color:var(--text);border-radius:3px;padding:0 1px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:.4rem 1rem;font-family:ui-monospace,monospace;font-size:.86rem;margin-top:.6rem}
.kv b{color:var(--accent)}

/* ---- batch 3: image + text widgets ---- */
.uploader{border:2px dashed var(--border-strong);border-radius:14px;padding:2.2rem 1.5rem;text-align:center;cursor:pointer;transition:.25s;color:var(--text-muted);display:block}
.uploader:hover{border-color:var(--accent-line);color:var(--text);background:var(--glass)}
.uploader strong{display:block;font-family:var(--fd);color:var(--text);margin-bottom:.3rem}
.uploader input[type=file]{display:none}
canvas.work,img.work{max-width:100%;border-radius:12px;border:1px solid var(--border);margin-top:1.1rem;display:block}
.meta-line{font-size:.85rem;color:var(--text-muted);margin-top:.7rem}
.diff-out{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1rem}
.diff-pane{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:.8rem;font-family:ui-monospace,monospace;font-size:.82rem;line-height:1.5;white-space:pre-wrap;word-break:break-word;min-height:120px}
.diff-line.add{background:rgba(52,211,153,.16)}
.diff-line.del{background:rgba(239,83,80,.16)}
.diff-pane-label{font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);margin-bottom:.4rem}
@media(max-width:680px){.diff-out{grid-template-columns:1fr}}

/* ---- batch 4: calculators + design widgets ---- */
.demo-stage{display:grid;place-items:center;padding:3rem 1rem;background:repeating-conic-gradient(var(--bg-3) 0% 25%,transparent 0% 50%) 50%/22px 22px;border:1px solid var(--border);border-radius:14px;margin-bottom:1.2rem;overflow:hidden}
.demo-box{width:150px;height:95px;background:var(--accent);border-radius:12px}
.demo-text{font-family:var(--fd);font-weight:700;font-size:2.2rem;color:var(--text)}
.contrast-badge{display:inline-block;padding:.3rem .75rem;border-radius:999px;font-size:.76rem;font-weight:700;margin:.2rem .3rem .2rem 0}
.badge-pass{background:rgba(52,211,153,.18);color:#34d399}
.badge-fail{background:rgba(239,83,80,.18);color:#ef5350}
.dual-color{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}
.dual-color .fld{flex:1;min-width:160px}

/* ---- batch 5: converters + health ---- */
.md-prev{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:1rem 1.2rem;min-height:120px;line-height:1.6}
.md-prev h1,.md-prev h2,.md-prev h3{font-family:var(--fd);margin:.6em 0 .3em;line-height:1.2}
.md-prev h1{font-size:1.6rem}.md-prev h2{font-size:1.3rem}.md-prev h3{font-size:1.1rem}
.md-prev p{margin:.5em 0}.md-prev ul,.md-prev ol{margin:.5em 0 .5em 1.4em}.md-prev li{margin:.2em 0}
.md-prev code{background:var(--bg-3);padding:.1em .35em;border-radius:5px;font-family:ui-monospace,monospace;font-size:.88em}
.md-prev pre{background:var(--bg-3);padding:.8em;border-radius:8px;overflow-x:auto;margin:.6em 0}
.md-prev pre code{background:none;padding:0}
.md-prev blockquote{border-left:3px solid var(--accent-line);padding-left:.9em;color:var(--text-muted);margin:.5em 0}
.md-prev a{color:var(--accent)}
.md-prev hr{border:none;border-top:1px solid var(--border);margin:.8em 0}

/* ---- batch 6: PDF tools ---- */
.file-list{display:flex;flex-direction:column;gap:.5rem;margin:1rem 0}
.file-item{display:flex;align-items:center;gap:.7rem;background:var(--bg);border:1px solid var(--border);border-radius:9px;padding:.6rem .8rem;font-size:.88rem}
.file-item .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-item .mv,.file-item .rm{color:var(--text-dim);cursor:pointer;padding:0 .2rem;font-size:1rem}
.file-item .rm:hover{color:var(--bad)}.file-item .mv:hover{color:var(--accent)}
.progress{height:7px;background:var(--bg-3);border-radius:4px;overflow:hidden;margin:1rem 0}
.progress i{display:block;height:100%;width:0;background:var(--accent);transition:width .25s}
.pdf-info{font-size:.88rem;color:var(--text-muted);margin:.8rem 0}
.viewer-nav{display:flex;align-items:center;justify-content:center;gap:1.2rem;margin:1rem 0}
.viewer-nav b{font-variant-numeric:tabular-nums}
.viewer-stage{display:grid;place-items:center;background:var(--bg-3);border:1px solid var(--border);border-radius:12px;padding:1rem;overflow:auto;max-height:70vh}
.viewer-stage canvas{max-width:100%;box-shadow:var(--shadow)}
.img-thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:.6rem;margin-top:1rem}
.img-thumbs .th{position:relative;border:1px solid var(--border);border-radius:8px;overflow:hidden;aspect-ratio:1;background:var(--bg-3)}
.img-thumbs .th img{width:100%;height:100%;object-fit:cover}
.busy{opacity:.6;pointer-events:none}

/* ---- site-wide search (command palette) ---- */
.se-trigger{display:inline-flex;align-items:center;gap:.5rem;padding:.55rem .85rem;border:1px solid var(--border-strong);border-radius:10px;background:var(--glass);color:var(--text-muted);font-size:.86rem;cursor:pointer;transition:.25s}
.se-trigger:hover{border-color:var(--accent-line);color:var(--text)}
.se-trigger .kbd{margin-left:.2rem;border:1px solid var(--border);border-radius:6px;padding:.12rem .4rem;font-size:.72rem;color:var(--text-dim)}
.se-overlay{position:fixed;inset:0;z-index:1000;background:rgba(5,5,12,.55);backdrop-filter:blur(4px);display:none;align-items:flex-start;justify-content:center;padding:9vh 1rem 1rem}
.se-overlay.open{display:flex}
.se-modal{width:100%;max-width:620px;background:var(--bg-2);border:1px solid var(--border-strong);border-radius:16px;box-shadow:var(--shadow);overflow:hidden;animation:sePop .2s var(--ease)}
@keyframes sePop{from{opacity:0;transform:translateY(-10px) scale(.99)}to{opacity:1;transform:none}}
.se-bar{display:flex;align-items:center;gap:.7rem;padding:1rem 1.1rem;border-bottom:1px solid var(--border)}
.se-bar svg{color:var(--text-dim);flex:0 0 auto}
#tvSearchInput{flex:1;background:none;border:none;outline:none;color:var(--text);font-size:1.05rem;font-family:var(--fb)}
#tvSearchInput::placeholder{color:var(--text-dim)}
.se-esc{font-size:.72rem;color:var(--text-dim);border:1px solid var(--border);padding:.2rem .5rem;border-radius:6px;flex:0 0 auto}
.se-results{max-height:56vh;overflow-y:auto;padding:.5rem}
.se-group{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);padding:.7rem .8rem .35rem}
.se-item{display:flex;align-items:center;gap:.8rem;padding:.6rem .8rem;border-radius:10px;cursor:pointer;color:var(--text)}
.se-item:hover,.se-item.active{background:var(--accent-soft)}
.se-ico{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;background:var(--bg-3);font-size:1.05rem;flex:0 0 auto}
.se-meta{display:flex;flex-direction:column;min-width:0}
.se-name{font-weight:600;font-size:.95rem}
.se-tag{font-size:.8rem;color:var(--text-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.se-empty{padding:2.2rem 1rem;text-align:center;color:var(--text-dim)}
.hero-search{display:flex;align-items:center;gap:.7rem;width:100%;max-width:520px;margin-top:1.6rem;padding:.95rem 1.1rem;border:1px solid var(--border-strong);border-radius:12px;background:var(--glass);color:var(--text-muted);cursor:text;font-size:1rem;transition:.25s}
.hero-search:hover{border-color:var(--accent-line);color:var(--text)}
.hero-search svg{color:var(--text-dim);flex:0 0 auto}
.hero-search .kbd{border:1px solid var(--border);border-radius:6px;padding:.15rem .45rem;font-size:.74rem;color:var(--text-dim)}
@media(max-width:620px){
  .se-trigger-text,.se-trigger .kbd{display:none}
  .se-trigger{padding:.5rem .6rem}
  .nav-right .btn-primary{display:none}
  .se-overlay{padding-top:4vh}
}

/* ---- legal / content pages ---- */
.legal{max-width:760px;margin:0 auto}
.legal .updated{color:var(--text-dim);font-size:.88rem;margin:-.3rem 0 2rem}
.legal h2{font-family:var(--fd);font-weight:600;font-size:1.3rem;margin:2.2rem 0 .7rem}
.legal h3{font-family:var(--fd);font-weight:600;font-size:1.04rem;margin:1.5rem 0 .5rem}
.legal p{color:var(--text-muted);margin-bottom:1rem;line-height:1.75}
.legal ul{margin:0 0 1.1rem 1.3rem;color:var(--text-muted)}
.legal li{margin-bottom:.5rem;line-height:1.6}
.legal a{color:var(--accent)}.legal a:hover{text-decoration:underline}
.legal strong{color:var(--text)}
.legal .toc{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2rem}
.legal .toc a{font-size:.82rem;border:1px solid var(--border);border-radius:999px;padding:.35rem .8rem;color:var(--text-muted)}
.legal .toc a:hover{border-color:var(--accent-line);color:var(--text);text-decoration:none}
.contact-form{display:flex;flex-direction:column;gap:1rem;max-width:560px;margin-top:1.5rem}
.contact-form .fld{margin:0}
.contact-form .hp{position:absolute;left:-9999px}
.notice{padding:1rem 1.2rem;border-radius:10px;font-size:.92rem;margin-bottom:1.5rem}
.notice.ok{background:rgba(52,211,153,.12);color:var(--ok);border:1px solid rgba(52,211,153,.3)}
.notice.err{background:rgba(239,83,80,.12);color:var(--bad);border:1px solid rgba(239,83,80,.3)}
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:1.8rem 0}
.about-grid .ab{border:1px solid var(--border);border-radius:13px;padding:1.3rem;background:var(--glass)}
.about-grid .ab .ic{font-size:1.6rem}
.about-grid .ab h4{font-family:var(--fd);font-weight:600;margin:.5rem 0 .3rem}
.about-grid .ab p{font-size:.88rem;margin:0}
@media(max-width:760px){.about-grid{grid-template-columns:1fr}}