:root{
  --bg:#0b1020; --bg2:#10172b; --card:#141c33; --card2:#1a2440; --line:#24304f;
  --tx:#e8ecf6; --mu:#8d98b5; --ac:#7cf2c4; --ac2:#7aa8ff; --warn:#ffb86b; --bad:#ff6b8a;
  --r:14px; --sh:0 10px 30px -12px rgba(0,0,0,.6);
  --f:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif; --fh:'Space Grotesk',var(--f); --fm:'JetBrains Mono',ui-monospace,Consolas,monospace;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--tx);font:15px/1.6 var(--f);-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(900px 500px at 85% -10%,rgba(122,168,255,.12),transparent 60%),radial-gradient(700px 400px at -10% 10%,rgba(124,242,196,.08),transparent 60%);background-attachment:fixed}
a{color:var(--ac);text-decoration:none} a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--fh);line-height:1.15;margin:0 0 .4em}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
.muted{color:var(--mu)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--ac);color:#000;padding:6px 10px;z-index:99}

/* Top bar */
.topbar{position:sticky;top:0;z-index:20;background:rgba(11,16,32,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topbar-in{display:flex;align-items:center;gap:16px;height:62px}
.brand{display:flex;align-items:center;gap:10px;color:var(--tx)} .brand:hover{text-decoration:none}
.brand-mark svg{width:30px;height:30px;fill:var(--ac)} .brand-mark svg rect:nth-child(2),.brand-mark svg rect:nth-child(3){fill:var(--ac2)}
.brand-text{display:flex;flex-direction:column;line-height:1.1} .brand-text b{font-family:var(--fh);font-size:18px} .brand-text small{color:var(--mu);font-size:11px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{color:var(--tx);padding:8px 12px;border-radius:10px;font-weight:500;font-size:14px} .nav a:hover{background:var(--card);text-decoration:none}
.nav a.nav-main{border:1px solid var(--line);color:var(--ac);margin-left:6px} .nav a.nav-main:hover{border-color:var(--ac);background:rgba(124,242,196,.08)}
@media(max-width:760px){.nav a.nav-main{margin:6px 0 0;text-align:center}}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--tx);border-radius:10px;width:40px;height:38px;font-size:18px}
@media(max-width:760px){.nav{display:none;position:absolute;top:62px;left:0;right:0;flex-direction:column;background:var(--bg2);padding:10px 16px;border-bottom:1px solid var(--line)}.nav.open{display:flex}.menu-btn{display:block;margin-left:auto}.install-btn{display:none}}

/* Buttons & inputs */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:var(--card2);color:var(--tx);padding:10px 16px;border-radius:11px;font:600 14px var(--f);cursor:pointer;transition:.15s;white-space:nowrap}
.btn:hover{border-color:var(--ac2);text-decoration:none} .btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:linear-gradient(135deg,var(--ac),#5fd8f0);color:#04131a;border:0} .btn-primary:hover{filter:brightness(1.07)}
.btn-ghost{background:transparent} .btn-sm{padding:6px 10px;font-size:13px}
input,select,textarea{width:100%;background:var(--bg2);color:var(--tx);border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:14px var(--f);outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--ac2);box-shadow:0 0 0 3px rgba(122,168,255,.18)}
input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--ac)} input[type=range]{padding:0;accent-color:var(--ac)} input[type=color]{padding:2px;height:40px}
textarea{min-height:160px;resize:vertical} .mono,textarea.mono{font-family:var(--fm);font-size:13px}
label{display:block;font-size:13px;color:var(--mu);margin-bottom:5px;font-weight:500}
.check{display:flex;align-items:center;gap:8px;color:var(--tx);font-size:14px;margin:0}

/* Hero */
.hero{padding:64px 0 34px;text-align:center}
.pill{display:inline-block;border:1px solid var(--line);background:var(--card);padding:5px 12px;border-radius:99px;font-size:13px;color:var(--mu)}
.hero h1{font-size:clamp(34px,6vw,62px);margin:18px 0 14px;letter-spacing:-.02em}
.grad{background:linear-gradient(90deg,var(--ac),var(--ac2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--mu);font-size:17px;max-width:640px;margin:0 auto}
.search{display:flex;align-items:center;gap:10px;max-width:620px;margin:28px auto 14px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:6px 14px;box-shadow:var(--sh)}
.search input{border:0;background:none;box-shadow:none;font-size:16px;padding:12px 0} .search kbd{border:1px solid var(--line);border-radius:6px;padding:1px 7px;color:var(--mu);font-size:12px}
.quick{display:flex;flex-wrap:wrap;gap:8px;justify-content:center} .quick a{font-size:13px;color:var(--mu);border:1px solid var(--line);padding:4px 11px;border-radius:99px} .quick a:hover{color:var(--tx);text-decoration:none;border-color:var(--ac2)}
.badges{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:center;color:var(--mu);font-size:14px;margin-top:22px}

/* Sections & cards */
section{margin-bottom:46px}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:10px 0 16px} .sec-head h2{font-size:26px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.card{display:flex;flex-direction:column;gap:4px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;color:var(--tx);transition:.15s;min-height:118px}
.card:hover{transform:translateY(-2px);border-color:var(--ac2);text-decoration:none;box-shadow:var(--sh)}
.card .ic{font-size:22px} .card b{font-family:var(--fh);font-size:16px} .card span:last-child{color:var(--mu);font-size:13px;line-height:1.45}
.card-hot{background:linear-gradient(160deg,var(--card2),var(--card))}
.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;margin-bottom:18px;scrollbar-width:thin}
.chip{flex:none;background:var(--card);border:1px solid var(--line);color:var(--tx);border-radius:99px;padding:7px 13px;font:500 13px var(--f);cursor:pointer}
.chip i{font-style:normal;color:var(--mu);margin-left:3px} .chip.on{background:var(--tx);color:var(--bg)} .chip.on i{color:var(--bg)}
.cat{margin-bottom:30px} .cat h3{font-size:20px;margin-bottom:2px} .cat>p{margin:0 0 12px;font-size:14px}
.why{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.why>div{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px} .why p{color:var(--mu);margin:.4em 0 0;font-size:14px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:14px}
.steps>div{display:grid;grid-template-columns:auto 1fr;column-gap:12px;padding:16px;border:1px dashed var(--line);border-radius:var(--r)}
.steps i{grid-row:span 2;font-style:normal;width:34px;height:34px;border-radius:10px;background:var(--ac);color:#04131a;display:grid;place-items:center;font-weight:700} .steps span{color:var(--mu);font-size:14px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:8px}
.faq summary{cursor:pointer;font-weight:600} .faq p{color:var(--mu);margin:.6em 0 0}
.cta{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:22px;padding:22px;border-radius:var(--r);background:linear-gradient(135deg,rgba(124,242,196,.12),rgba(122,168,255,.12));border:1px solid var(--line)}
.cta b{display:block;font-family:var(--fh);font-size:19px} .cta span{color:var(--mu)}
.empty{text-align:center;padding:30px}

/* Tool page */
.tool-head{padding:30px 16px 10px} .tool-head h1{font-size:clamp(28px,4.5vw,40px);display:flex;align-items:center;gap:10px}
.tool-head .lead{margin:0} .crumbs{font-size:13px;color:var(--mu);margin-bottom:12px} .crumbs a{color:var(--mu)}
.private{display:inline-block;margin-top:12px;font-size:13px;color:var(--ac);background:rgba(124,242,196,.08);border:1px solid rgba(124,242,196,.25);padding:4px 10px;border-radius:8px}
.tool{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--sh)}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end;margin-bottom:14px} .row>*{flex:1 1 160px} .row>.btn{flex:0 0 auto}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:14px} @media(max-width:760px){.cols{grid-template-columns:1fr}}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.drop{border:2px dashed var(--line);border-radius:16px;padding:34px 16px;text-align:center;cursor:pointer;transition:.15s;background:var(--bg2)}
.drop:hover,.drop.over{border-color:var(--ac);background:rgba(124,242,196,.05)} .drop b{display:block;font-size:17px;margin-bottom:4px} .drop .big{font-size:34px}
.out{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:14px;margin-top:14px;overflow:auto}
.out:empty{display:none}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin:14px 0}
.stat{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:12px} .stat b{display:block;font-size:24px;font-family:var(--fh)} .stat span{color:var(--mu);font-size:12px}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-top:14px}
.thumb{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:8px;font-size:12px;color:var(--mu);word-break:break-all}
.thumb img,.thumb canvas{width:100%;height:120px;object-fit:contain;background:repeating-conic-gradient(#1b2440 0 25%,#141c33 0 50%) 0/16px 16px;border-radius:8px;display:block;margin-bottom:6px}
.preview{max-width:100%;border-radius:12px;display:block;margin:12px auto;background:repeating-conic-gradient(#1b2440 0 25%,#141c33 0 50%) 0/16px 16px}
.list{list-style:none;padding:0;margin:12px 0} .list li{display:flex;align-items:center;gap:10px;background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:8px 12px;margin-bottom:6px;font-size:14px} .list li span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
table.tbl{width:100%;border-collapse:collapse;font-size:14px} .tbl th,.tbl td{border-bottom:1px solid var(--line);padding:8px;text-align:left} .tbl th{color:var(--mu);font-weight:500}
.big-num{font:700 clamp(48px,10vw,96px)/1 var(--fm);text-align:center;margin:20px 0;letter-spacing:-.02em}
.progress{height:8px;background:var(--bg2);border-radius:99px;overflow:hidden;margin:12px 0} .progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--ac),var(--ac2));transition:width .2s}
mark{background:rgba(124,242,196,.3);color:var(--tx);border-radius:3px}
.ok{color:var(--ac)} .err{color:var(--bad)} .warn{color:var(--warn)}
.diff-add{background:rgba(124,242,196,.14)} .diff-del{background:rgba(255,107,138,.14);text-decoration:line-through}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.tabs button{background:var(--bg2);border:1px solid var(--line);color:var(--tx);border-radius:9px;padding:7px 12px;cursor:pointer;font:500 13px var(--f)} .tabs button.on{background:var(--ac);color:#04131a;border-color:var(--ac)}

/* Static pages & footer */
.page{max-width:780px;padding:40px 16px} .page h1{font-size:36px} .page p,.page li{color:#c9d0e2}
.footer{border-top:1px solid var(--line);margin-top:40px;padding:34px 0 20px;background:var(--bg2)}
.footer-in{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px} .footer h4{font-size:14px;color:var(--mu);text-transform:uppercase;letter-spacing:.06em}
.footer-in>div>a:not(.brand):not(.btn){display:block;color:var(--tx);font-size:14px;padding:3px 0}
.copy{font-size:13px;margin-top:22px} @media(max-width:700px){.footer-in{grid-template-columns:1fr 1fr}.footer-in>div:first-child{grid-column:span 2}}
.toast{position:fixed;bottom:22px;left:50%;transform:translate(-50%,40px);background:var(--tx);color:var(--bg);padding:10px 16px;border-radius:10px;font-weight:600;opacity:0;transition:.25s;pointer-events:none;z-index:100}
.toast.show{opacity:1;transform:translate(-50%,0)}
@media print{body *{visibility:hidden}.print-area,.print-area *{visibility:visible}.print-area{position:absolute;inset:0}}

/* Busy / disabled states (double-click protection) */
.btn[aria-busy="true"]{cursor:progress;opacity:.75}
.drop.busy{opacity:.6;cursor:progress;pointer-events:none;position:relative}
.drop.busy::after{content:'Processing…';position:absolute;inset:auto 0 10px;color:var(--ac);font-weight:600}
/* SEO copy blocks */
.seo-copy h2{font-size:22px;margin-top:6px} .seo-copy p{max-width:880px}
.howto{padding-left:20px;color:#c9d0e2} .howto li{margin-bottom:8px}
:focus-visible{outline:2px solid var(--ac2);outline-offset:2px}

/* Ads */
.ad-wrap{margin:8px auto 30px;text-align:center;min-height:100px}
.ad-label{display:block;font-size:11px;color:var(--mu);text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px}
.ad-preview{border:2px dashed var(--line);border-radius:12px;padding:40px;color:var(--mu)}
/* Articles */
.article{max-width:780px;margin:0 auto;padding:30px 16px} .article h1{font-size:clamp(28px,4.5vw,40px)}
.article h2{font-size:24px;margin-top:1.6em} .article p,.article li{color:#c9d0e2;font-size:16.5px;line-height:1.75}
.article .meta{color:var(--mu);font-size:14px;margin-bottom:24px} .article .tool-cta{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin:24px 0}
.article table{width:100%;border-collapse:collapse;margin:14px 0} .article th,.article td{border-bottom:1px solid var(--line);padding:8px;text-align:left}