/* Soft Tech Mark free tools - matches softtechmark.com (colors, fonts, radius) */
:root{--bg:#F6F8FE;--paper:#FFFFFF;--tint:#EAF1FF;--ink:#0B1533;--slate:#5A6685;--line:#E2E8F5;--blue:#1E6FF0;
--blue-deep:#0A4BC4;--cyan:#22C1EE;--lime:#6CF05C;--navy:#0A1430;--navy-2:#13204A;--on-dark:#EAF0FB;--on-dark-muted:#A7B4D2;
--good:#12804E;--bad:#D93636;--warn:#B86E00;--font-display:"Urbanist","Segoe UI",system-ui,sans-serif;
--font-body:"DM Sans","Segoe UI",system-ui,sans-serif;--wrap:1220px;--r:22px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.65;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.2;margin:0 0 .5em;color:var(--ink)}
a{color:var(--blue)}img{max-width:100%;height:auto}
code{background:var(--tint);padding:1px 6px;border-radius:6px;font-size:.92em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:99;background:#fff;padding:8px 12px;border-radius:8px}
.topbar{background:var(--navy);color:var(--on-dark-muted);font-size:.84rem}
.topbar .wrap{display:flex;gap:6px 18px;flex-wrap:wrap;justify-content:space-between;padding-top:7px;padding-bottom:7px}
.topbar a{color:var(--on-dark);text-decoration:none}
.header{position:sticky;top:0;z-index:30;padding:10px 0}
.header .bar{background:var(--paper);border-radius:18px;box-shadow:0 6px 24px rgba(11,21,51,.07);display:flex;align-items:center;
justify-content:space-between;padding:10px 16px;gap:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--font-display);font-weight:800;font-size:1.2rem}
.brand img{height:40px;width:auto}.brand img+span{display:none}
.nav{display:flex;gap:4px;align-items:center;flex-wrap:wrap}
.nav a{text-decoration:none;color:var(--ink);font-weight:600;padding:8px 11px;border-radius:12px;font-size:.94rem}
.nav a:hover,.nav a.on{background:var(--tint);color:var(--blue-deep)}
.nav a.btn{color:#fff;padding:9px 16px}
.menu-btn{display:none;border:1.5px solid var(--line);background:#fff;border-radius:12px;padding:8px 14px;font:inherit;font-weight:600;cursor:pointer}
@media (max-width:900px){.menu-btn{display:block}.nav{display:none;width:100%;flex-direction:column;align-items:stretch}.nav.open{display:flex}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:14px;border:0;
font-family:var(--font-display);font-weight:700;font-size:1rem;cursor:pointer;text-decoration:none;transition:transform .15s,box-shadow .15s;line-height:1.2}
.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn-primary{color:#fff;background:linear-gradient(100deg,var(--blue) 0%,#3D8BFF 60%,var(--cyan) 130%)}
.btn-ghost{color:var(--ink);background:var(--paper);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn-white{color:var(--blue-deep);background:#fff}.btn-wa{color:#fff;background:#1FA855}
.btn-sm{padding:8px 14px;font-size:.92rem;border-radius:12px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:14px 0 8px;font-size:.88rem;color:var(--slate)}
.crumbs li+li:before{content:"\203A";margin-right:6px;color:var(--slate)}
.crumbs a{color:var(--slate);text-decoration:none}.crumbs a:hover{color:var(--blue)}
.tool-head,.hub-head{padding:6px 0 4px}
.tool-head h1,.hub-head h1{font-size:clamp(1.75rem,4vw,2.7rem);margin-bottom:.3em}
.lead{color:var(--slate);font-size:1.08rem;max-width:860px;margin:0 0 18px}
.tool-box{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:0 10px 30px rgba(11,21,51,.05)}
@media (max-width:600px){.tool-box{padding:14px;border-radius:16px}}
.privacy-note{font-size:.9rem;color:var(--slate);margin:10px 4px 18px}
.privacy-note:before{content:"\1F512  "}
.cta{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;color:var(--on-dark);
background:radial-gradient(700px 300px at 90% -20%,rgba(34,193,238,.4),transparent),linear-gradient(150deg,var(--navy),var(--navy-2));
border-radius:var(--r);padding:20px 24px;margin:0 0 26px}
.cta strong{display:block;font-family:var(--font-display);font-size:1.2rem;color:#fff}.cta span{color:var(--on-dark-muted)}
.cta-btns{display:flex;gap:8px;flex-wrap:wrap}
.ad-slot{min-height:120px;margin:18px 0;text-align:center}.ad-top{min-height:100px}
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:26px;align-items:start}
.content-grid.one{grid-template-columns:minmax(0,1fr)}
@media (max-width:960px){.content-grid{grid-template-columns:minmax(0,1fr)}}
.article{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:30px 34px;min-width:0}
@media (max-width:600px){.article{padding:20px 16px}}
.article h2{font-size:1.55rem;margin-top:1.4em;scroll-margin-top:90px}.article h2:first-child{margin-top:0}
.article h3{font-size:1.2rem;margin-top:1.2em}.article p,.article li{color:#26324F}.article strong{color:var(--ink)}
.article .note{background:var(--tint);border-left:4px solid var(--blue);padding:12px 16px;border-radius:10px;margin:14px 0}
.table-wrap{overflow-x:auto;margin:14px 0}.article table{border-collapse:collapse;width:100%;font-size:.95rem}
.article th,.article td{border:1px solid var(--line);padding:8px 10px;text-align:left}.article th{background:var(--tint)}
.toc{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin-bottom:22px}
.toc ol{margin:6px 0 0;padding-left:20px}.toc a{text-decoration:none}
.faq details{border:1px solid var(--line);border-radius:14px;padding:4px 16px;margin:10px 0;background:#fff}
.faq summary{cursor:pointer;font-weight:700;font-family:var(--font-display);padding:10px 0;font-size:1.05rem}
.faq details[open]{background:var(--bg)}
.updated{font-size:.85rem;color:var(--slate);margin-top:24px}
.side{display:flex;flex-direction:column;gap:18px;position:sticky;top:96px}
@media (max-width:960px){.side{position:static}}
.side-box{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.side-box h2{font-size:1.1rem}.side-box ul{margin:0;padding-left:18px}
.rel-list{display:flex;flex-direction:column;gap:8px}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin:6px 0 26px}
.tool-card{display:flex;gap:12px;align-items:flex-start;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:14px;
text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
.tool-card:hover{border-color:var(--blue);transform:translateY(-2px)}
.tool-card strong{display:block;font-family:var(--font-display);font-size:1.02rem}.tool-card small{display:block;color:var(--slate);font-size:.85rem;line-height:1.4}
.side .tool-card{padding:10px;border-radius:12px}
.ic{flex:0 0 44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);
font-weight:800;font-size:.8rem;color:#fff;background:linear-gradient(135deg,var(--blue),var(--cyan))}
.ic-pdf-image{background:linear-gradient(135deg,#E5484D,#FF8A4C)}.ic-calculators{background:linear-gradient(135deg,#12804E,#4CC38A)}
.ic-text-dev{background:linear-gradient(135deg,#6E56CF,#A78BFA)}
.hub-sec h2 small{font-size:.9rem;color:var(--slate);font-weight:600}.hub-sec h2 a{color:inherit;text-decoration:none}
.hub-search input{width:100%;max-width:520px;padding:13px 16px;border:1.5px solid var(--line);border-radius:14px;font-size:1rem;margin-bottom:18px;background:#fff}
.footer{background:var(--navy);color:var(--on-dark-muted);margin-top:50px;padding:40px 0 26px;font-size:.92rem}
.footer a{color:var(--on-dark);text-decoration:none}.footer a:hover{text-decoration:underline}
.footer .cols{display:grid;grid-template-columns:1.4fr repeat(5,1fr);gap:26px}
@media (max-width:1000px){.footer .cols{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.footer .cols{grid-template-columns:1fr}}
.footer h4{color:#fff;font-size:1rem}.footer ul{list-style:none;padding:0;margin:0}.footer li{margin:5px 0}
.brand-foot{color:#fff}.footer .copy{border-top:1px solid rgba(255,255,255,.1);margin-top:26px;padding-top:16px}
/* ---------- widgets ---------- */
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}.row>*{flex:1 1 180px;min-width:0}.row>.btn,.row>.auto{flex:0 0 auto}
.lbl{display:block;font-weight:700;font-size:.92rem;margin:0 0 5px}
.in,.tool-box select,.tool-box textarea,.tool-box input[type=text],.tool-box input[type=url],.tool-box input[type=number],.tool-box input[type=date],.tool-box input[type=email]{
width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);font:inherit;font-size:1rem}
.tool-box textarea{min-height:170px;resize:vertical;line-height:1.5}
.tool-box textarea.code,.mono{font-family:ui-monospace,Consolas,Menlo,monospace;font-size:.9rem}
.tool-box input:focus,.tool-box textarea:focus,.tool-box select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,111,240,.15)}
.field{margin-bottom:14px}.hint{font-size:.85rem;color:var(--slate);margin-top:4px}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
.out{margin-top:16px}.out:empty{display:none}
.err{background:#FDECEC;color:var(--bad);padding:10px 14px;border-radius:12px;font-weight:600}
.okmsg{background:#E6F6EE;color:var(--good);padding:10px 14px;border-radius:12px;font-weight:600}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin:12px 0}
.stat{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:12px;text-align:center}
.stat b{display:block;font-family:var(--font-display);font-size:1.6rem;color:var(--blue-deep);line-height:1.2;word-break:break-word}
.stat span{font-size:.82rem;color:var(--slate)}
.res-table{width:100%;border-collapse:collapse;font-size:.92rem;background:#fff}
.res-table th,.res-table td{border-bottom:1px solid var(--line);padding:8px;text-align:left;vertical-align:top;word-break:break-word}
.res-table th{background:var(--bg);font-size:.85rem}
.tbl-scroll{overflow-x:auto;max-height:520px;overflow-y:auto;border:1px solid var(--line);border-radius:12px}
.b{display:inline-block;padding:2px 9px;border-radius:999px;font-size:.8rem;font-weight:700;white-space:nowrap}
.b-good{background:#E6F6EE;color:var(--good)}.b-bad{background:#FDECEC;color:var(--bad)}.b-warn{background:#FFF4E0;color:var(--warn)}.b-info{background:var(--tint);color:var(--blue-deep)}
.drop{border:2px dashed #B9C7E6;border-radius:18px;padding:28px 16px;text-align:center;background:var(--bg);cursor:pointer;transition:.15s;display:block}
.drop:hover,.drop.over{border-color:var(--blue);background:var(--tint)}
.drop strong{display:block;font-family:var(--font-display);font-size:1.1rem}.drop input{display:none}
.files{list-style:none;padding:0;margin:12px 0;display:flex;flex-direction:column;gap:6px}
.files li{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:8px 10px;font-size:.92rem}
.files li .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.files button{border:0;background:#fff;border-radius:8px;padding:4px 9px;cursor:pointer;box-shadow:inset 0 0 0 1px var(--line)}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px;margin-top:12px}
.thumbs figure{margin:0;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:8px;text-align:center;font-size:.82rem}
.thumbs img{max-height:150px;display:block;margin:0 auto 6px;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.check-list{list-style:none;padding:0;margin:10px 0}.check-list li{display:flex;gap:10px;padding:9px 0;border-bottom:1px solid var(--line)}
.check-list li .b{flex:0 0 auto}
.score{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin:8px 0 14px}
.ring{width:110px;height:110px;border-radius:50%;display:grid;place-items:center;font-family:var(--font-display);font-weight:800;font-size:2rem}
.serp{font-family:Arial,sans-serif;max-width:620px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.serp .u{font-size:14px;color:#202124;display:flex;gap:8px;align-items:center}.serp .u i{width:26px;height:26px;border-radius:50%;background:var(--tint);display:inline-block}
.serp .t{color:#1a0dab;font-size:20px;line-height:1.3;margin:6px 0 3px}.serp .d{color:#4d5156;font-size:14px;line-height:1.58}
.serp.mobile{max-width:400px}
.ogcard{max-width:520px;border:1px solid #dadde1;border-radius:10px;overflow:hidden;background:#fff;font-family:Helvetica,Arial,sans-serif}
.ogcard .img{aspect-ratio:1.91/1;background:#e4e6eb center/cover no-repeat;display:grid;place-items:center;color:#65676b;font-size:.9rem}
.ogcard .meta{padding:10px 12px;background:#f0f2f5}.ogcard .dom{font-size:12px;color:#65676b;text-transform:uppercase}
.ogcard .ttl{font-weight:700;color:#050505;margin:3px 0}.ogcard .ds{font-size:14px;color:#65676b}
.meter{height:8px;background:var(--line);border-radius:6px;overflow:hidden;margin-top:6px}.meter i{display:block;height:100%;background:var(--blue)}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.tabs button{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:7px 15px;font:inherit;font-weight:600;cursor:pointer}
.tabs button.on{background:var(--blue);border-color:var(--blue);color:#fff}
.calc-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;max-width:520px}
.calc-grid button{padding:14px 6px;border:1px solid var(--line);border-radius:12px;background:#fff;font:inherit;font-weight:700;font-size:1.02rem;cursor:pointer}
.calc-grid button:hover{background:var(--tint)}.calc-grid .op{background:var(--tint);color:var(--blue-deep)}
.calc-grid .eq{background:var(--blue);color:#fff}.calc-grid .fn{font-size:.9rem;color:var(--slate)}
.calc-screen{max-width:520px;background:var(--navy);color:#fff;border-radius:14px;padding:14px 16px;margin-bottom:10px;text-align:right}
.calc-screen input{width:100%;background:transparent;border:0;color:#fff;font:600 1.6rem ui-monospace,Consolas,monospace;text-align:right;outline:none}
.calc-screen small{display:block;color:var(--on-dark-muted);min-height:1.2em}
.swatch{width:100%;height:110px;border-radius:14px;border:1px solid var(--line)}
.palette{display:flex;border-radius:12px;overflow:hidden;margin-top:10px}.palette div{flex:1;height:56px;cursor:pointer;display:flex;align-items:flex-end;justify-content:center;font-size:.72rem;padding:3px;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.5)}
.coming{padding:30px;text-align:center;color:var(--slate)}
.contact-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:0 0 22px}
.contact-cards .tool-box{padding:18px}
pre.out-pre{background:var(--navy);color:#EAF0FB;padding:14px;border-radius:12px;overflow:auto;max-height:480px;font-size:.88rem;white-space:pre-wrap;word-break:break-word}
.inline-check{display:flex;gap:8px;align-items:center;font-weight:600;font-size:.95rem}
.sr{position:absolute;left:-9999px}
.article code{word-break:break-word;white-space:normal}
.check-list li{align-items:flex-start}.check-list li .b{align-self:flex-start;margin-top:2px}
.res-table th{white-space:nowrap}#emTable td,#ucAll td{white-space:nowrap;word-break:normal}
.tags{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:22px 0 6px;font-size:.88rem}
.tags strong{margin-right:4px}
.tag{background:#EEF4FF;color:#1E6FF0;border-radius:999px;padding:3px 10px;white-space:nowrap}