:root{
  --title-gradient: linear-gradient(90deg, #2563eb 0%, #22c55e 45%, #a855f7 100%);
  --title-gradient-soft: linear-gradient(90deg, rgba(37,99,235,.14), rgba(34,197,94,.14), rgba(168,85,247,.14));
  --header-bg: rgba(255,255,255,.72);
  --header-border: rgba(2,6,23,.08);

  --bg:#f7f7fb;
  --card:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --border:#e5e7eb;
  --shadow: 0 10px 30px rgba(0,0,0,.08);
  --primary:#2563eb;
  --primaryHover:#1d4ed8;
  --btnText:#ffffff;
  --soft:#fafafa;
  --noteBg:#f0fdf4;
  --noteBorder:#bbf7d0;
  --noteText:#14532d;
}


html,body{
  overflow-x:hidden;height:100%}
body{min-height:100vh;display:flex;flex-direction:column}
main{flex:1}


body.dark{
  --title-gradient: linear-gradient(90deg, #60a5fa 0%, #34d399 45%, #c084fc 100%);
  --title-gradient-soft: linear-gradient(90deg, rgba(96,165,250,.16), rgba(52,211,153,.14), rgba(192,132,252,.16));
  --header-bg: rgba(2,6,23,.6);
  --header-border: rgba(255,255,255,.10);

  --bg:#0b1220;
  --card:#0f172a;
  --text:#e5e7eb;
  --muted:#9ca3af;
  --border:#243145;
  --shadow: 0 14px 40px rgba(0,0,0,.35);
  --primary:#60a5fa;
  --primaryHover:#3b82f6;
  --btnText:#0b1220;
  --soft:#0b152a;
  --noteBg:rgba(34,197,94,.10);
  --noteBorder:rgba(34,197,94,.25);
  --noteText:#bbf7d0;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}

.wrap{max-width:980px;width:100%;margin:0 auto;padding:16px}



/* ===== Header (v2026) ===== */
.siteHeader{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--header-bg);
  border-bottom:1px solid var(--header-border);
  backdrop-filter:saturate(160%) blur(10px);
  overflow:hidden;
  width:100%;
}
.headerGlow{
  position:absolute;
  inset:-60px 0 auto 0;
  height:180px;
  background:
    radial-gradient(140px 140px at 12% 35%, rgba(34,197,94,.20), transparent 60%),
    radial-gradient(180px 180px at 55% 10%, rgba(37,99,235,.20), transparent 60%),
    radial-gradient(240px 240px at 92% 35%, rgba(168,85,247,.18), transparent 60%);
  pointer-events:none;
}
.headerInner{
  position:relative;
  display:flex;
  align-items:center;
  gap:14px;
  padding-top:14px;
  padding-bottom:14px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  color:inherit;
  min-width: 220px;
}
.brandLogo{
  width:44px;height:44px;
  border-radius:14px;
  background: var(--card);
  border:1px solid var(--border);
  display:grid;
  place-items:center;
  box-shadow: var(--shadow);
}
.brandText{display:flex;flex-direction:column;line-height:1.1}
.brandName{font-weight:900;font-size:18px;letter-spacing:.2px}
.brandTag{font-size:12px;color:var(--muted);margin-top:3px}
.nav{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
  justify-content:center;
  flex-wrap:wrap;
}
.navLink{
  text-decoration:none;
  color:var(--text);
  font-weight:700;
  font-size:13px;
  padding:8px 10px;
  border-radius:12px;
  border:1px solid transparent;
}
.navLink:hover{
  background: var(--card);
  border-color: var(--border);
  box-shadow: var(--shadow);
}
.headerActions{display:flex;align-items:center;gap:10px}

/* More color in light mode */
body:not(.dark) h1,
body:not(.dark) h2,
body:not(.dark) h3,
body:not(.dark) .h2,
body:not(.dark) .brandName{
  background: var(--title-gradient);
  -webkit-background-clip:text;
  background-clip:text;
  color: transparent;
}
body.dark .brandName{color: var(--text);}

/* Small screens: keep things tidy */
@media (max-width: 680px){
  .brand{min-width:auto}
  .brandTag{display:none}
  /* Mobile: keep header simple (no nav / hamburger) */
  .nav{display:none !important}
  .navToggle{display:none !important}
}

.top{position:relative;overflow:hidden;border-bottom:1px solid var(--border)}
.topGlow{
  position:absolute;inset:-40px -20px auto -20px;height:160px;
  background: radial-gradient(120px 120px at 15% 35%, rgba(34,197,94,.22), transparent 60%),
              radial-gradient(160px 160px at 60% 10%, rgba(26,167,255,.25), transparent 60%),
              radial-gradient(220px 220px at 95% 35%, rgba(37,99,235,.22), transparent 60%);
  pointer-events:none;
}
.topInner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:18px;padding-bottom:18px}

header .brand{display:flex;gap:12px;align-items:center}
.logo{width:44px;height:44px;border-radius:14px;background:rgba(0,0,0,0);display:grid;place-items:center;box-shadow: var(--shadow)}
.title{font-weight:900;font-size:20px;line-height:1.1;letter-spacing:.2px}
.dot{opacity:.8}
.tag{color:var(--muted);font-size:13px;margin-top:2px}

.topActions{display:flex;gap:10px;align-items:center}
.iconBtn{
  border:1px solid var(--border);
  background:var(--card);
  color:var(--text);
  border-radius:12px;
  padding:10px 12px;
  cursor:pointer;
  box-shadow: var(--shadow);
}
.iconBtn:hover{transform:translateY(-1px)}
.icon{font-size:16px;line-height:1}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px;
  box-shadow: var(--shadow);
  margin: 12px 0;
}

h1{font-size:22px;margin:0 0 8px}
.h2{font-size:16px;margin:0 0 6px}
.sub{margin:0 0 14px;color:var(--muted)}
.sub.tiny{font-size:13px;margin-bottom:12px}

.lbl{display:block;font-size:12px;color:var(--muted);margin:10px 0 6px}

.row{display:flex;gap:10px;align-items:center}
.input{
  flex:1;
  padding:12px 12px;
  border:1px solid var(--border);
  border-radius:12px;
  font-size:16px;
  outline:none;
  background:var(--card);
  color:var(--text);
}
.input:focus{border-color:rgba(37,99,235,.6);box-shadow:0 0 0 4px rgba(37,99,235,.12)}

.btn{
  border:none;
  background:var(--primary);
  color:var(--btnText);
  padding:12px 14px;
  border-radius:12px;
  font-weight:800;
  font-size:15px;
  cursor:pointer;
  min-width:120px;
}
.btn:hover{background:var(--primaryHover)}
.btn:disabled{opacity:.55;cursor:not-allowed}

.btn.secondary{
  background:rgba(99,102,241,.12);
  color:var(--text);
  border:1px solid rgba(99,102,241,.20);
}
.btn.secondary:hover{background:rgba(99,102,241,.18)}

.opts{display:flex;gap:12px;flex-wrap:wrap;margin-top:10px}
.opt{flex:1;min-width:180px}
.optBorder{flex:1 1 100%;min-width:100%}
.select{
  width:100%;
  padding:10px 12px;
  border:1px solid var(--border);
  border-radius:12px;
  font-size:14px;
  background:var(--card);
  color:var(--text);
}

.colorRow{display:flex;gap:10px;align-items:center}
.colorRow > *{min-width:0}
.color{
  width:44px;
  height:38px;
  padding:0;
  border:1px solid var(--border);
  border-radius:12px;
  background:var(--card);
}
.input.small{
  flex:1;
  padding:10px 12px;
  font-size:14px;
}

.borderGrid{display:grid;grid-template-columns:minmax(240px,1fr) minmax(220px,1fr);gap:12px;margin-top:10px}
@media (max-width:640px){
  .borderGrid{grid-template-columns:1fr}
}

.file{width:100%;padding:10px 12px;border:1px dashed var(--border);border-radius:12px;background:var(--soft);color:var(--text)}
.range{width:100%}
.help{font-size:12px;color:var(--muted);margin-top:6px}
.toggle{display:flex;gap:8px;align-items:center;color:var(--text);font-size:14px;margin:8px 0}
.toggle input{transform:translateY(1px)}

.logoHead{display:flex;align-items:center;justify-content:space-between;gap:10px}
.toggle.pill{margin:0}
.toggle.pill span{font-weight:800}
.toggle.pill input{width:16px;height:16px}

.is-hidden{display:none !important}

.adSlot{
  width:100%;
  min-height:90px;
  border:1px solid var(--border);
  border-radius:16px;
  background: var(--card);
  display:block;
  overflow:hidden;
}
.adSlot:empty{
  background: var(--soft);
  border-style: dashed;
}
.adSlot:empty::before{
  content: "Ad spot";
  display:block;
  text-align:center;
  padding: 26px 12px;
  color: var(--muted);
  font-size: 12px;
}

.divider{height:1px;background:var(--border);margin:16px 0}

.preview{display:grid;gap:14px}

.imgWrap{
  width:100%;
  display:grid;
  place-items:center;
  border:1px dashed var(--border);
  border-radius:16px;
  padding:16px;
  min-height:260px;
  background:var(--soft);
  position:relative;
}

.qrCanvas{max-width:100%;height:auto;display:none;border-radius:12px;background:#fff}
body.dark .qrCanvas{background:#fff}

.placeholder{display:grid;place-items:center;gap:10px;color:var(--muted);text-align:center}
.phBox{width:160px;height:160px;border-radius:16px;border:2px solid var(--border);background:var(--card)}
.phText{font-size:13px}

.actions{display:flex;gap:10px;flex-wrap:wrap}
.actions .btn{min-width:140px;flex:1}

.note{
  background:var(--noteBg);
  border:1px solid var(--noteBorder);
  color:var(--noteText);
  padding:12px;
  border-radius:14px;
  font-size:14px;
}

.fineprint{color:var(--muted);font-size:12px}

.faq h2{margin:0 0 10px;font-size:18px}
details{border:1px solid var(--border);border-radius:14px;padding:10px 12px;background:var(--card)}
details+details{margin-top:10px}
summary{cursor:pointer;font-weight:800}
details p{margin:8px 0 0;color:var(--muted)}

.footer{margin-top:auto;padding:18px 0 28px}
.footInner{display:flex;gap:10px;justify-content:center;align-items:center;color:var(--muted);font-size:12px}
.sep{opacity:.6}
.link{color:var(--primary);text-decoration:none}
.link:hover{text-decoration:underline}

@media (max-width:640px){
  .wrap{padding:12px}
  .row{flex-direction:column;align-items:stretch}
  .btn{width:100%}
  .actions{flex-direction:column}
  .actions .btn{min-width:unset}
  .topInner{padding-top:14px;padding-bottom:14px}
}


/* --- Generator layout --- */
.generator .genGrid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap:22px;
  align-items:start;
  margin-top:14px;
}

.generator .genHead{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
}

.generator .controls .row{margin-bottom:14px}

/* Accordion controls */
.acc{
  border:1px solid var(--border);
  border-radius:16px;
  background:var(--soft);
  padding:0;
  overflow:hidden;
}

.acc+ .acc{margin-top:12px}

.acc summary{
  list-style:none;
  cursor:pointer;
  padding:12px 14px;
  font-weight:900;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}

.acc summary::-webkit-details-marker{display:none}

.acc summary::after{
  content:"▾";
  opacity:.7;
  transform: translateY(-1px);
}

.acc[open] summary::after{content:"▴"}

.acc .accBody{
  padding:12px 14px 14px;
  border-top:1px solid var(--border);
  background:var(--card);
}

/* Keep preview visible on desktop */
.previewCol{
  position:sticky;
  top:16px;
}

/* Make buttons look more compact in the preview column */
.previewCol .actions{
  margin-top:12px;
}

/* Mobile: stack and remove sticky */
@media (max-width: 900px){
  .generator .genGrid{grid-template-columns:1fr}
  .previewCol{position:static}
}


/* --- Publisher content (AdSense-friendly) --- */
.contentSection{
  max-width: 1040px;
  margin: 0 auto;
  padding: 28px 16px 56px;
}
.contentCard{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 18px 18px;
}
.contentSection h2{
  font-size: 22px;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.contentSection h3{
  font-size: 16px;
  margin: 18px 0 10px;
}
.contentSection p{
  margin: 0 0 10px;
  line-height: 1.55;
  color: var(--text);
  opacity: .92;
}
.contentSection .muted{
  color: var(--muted);
}
.contentSection ul, .contentSection ol{
  margin: 8px 0 0 18px;
  line-height: 1.55;
  color: var(--text);
}
.contentSection li{ margin: 6px 0; }
.callout{
  margin: 12px 0 0;
  padding: 10px 12px;
  border-radius: 14px;
  background: var(--soft);
  border: 1px solid var(--border);
}
.callout p{ margin: 0; }
.faq details{
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px 12px;
  margin: 10px 0;
  background: rgba(255,255,255,.02);
}
.faq summary{
  cursor: pointer;
  font-weight: 650;
  list-style: none;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq details p{ margin: 10px 0 0; color: var(--muted); opacity: 1; }
.useCases{
  columns: 2;
  column-gap: 24px;
}
@media (max-width: 720px){
  .useCases{ columns: 1; }
}


main{ flex:1; }


/* Gradient headings (adds color especially in light mode) */
@supports (-webkit-background-clip: text) or (background-clip: text){
  h1, h2, h3{
    background-image: var(--title-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .muted h2, .muted h3, .plainTitle{
    background-image: none;
    color: var(--text);
  }
}

/* Fancy sticky header */
.top{
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--header-border);
}
.topInner{ padding-top: 14px; padding-bottom: 14px; }
.logo{
  background: var(--title-gradient-soft);
  box-shadow: 0 10px 30px rgba(2,6,23,.10);
}
@media (prefers-color-scheme: dark){
  body:not(.dark) .logo{ box-shadow: 0 10px 30px rgba(0,0,0,.28); }
}
.topActions{ display:flex; align-items:center; gap:10px; }
.topLinks{ display:flex; align-items:center; gap:12px; }
.topLink{
  font-weight: 600;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
}
.topLink:hover{
  color: var(--text);
  background: rgba(0,0,0,.03);
  border-color: var(--border);
}
body.dark .topLink:hover{ background: rgba(255,255,255,.06); }
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--title-gradient-soft);
}
.badgeDot{
  width:8px;height:8px;border-radius:50%;
  background-image: var(--title-gradient);
}

.adWrap{margin: 14px auto 6px; width:100%;}


/* Mobile nav */
.navToggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:14px;
  border:1px solid var(--border);
  background:var(--card);
  color:var(--text);
  box-shadow: var(--shadow);
  cursor:pointer;
}
.navToggle:hover{ filter: brightness(0.98); }
.navToggleIcon{
  display:block;
  width:20px;
  height:2px;
  background: currentColor;
  border-radius: 2px;
  box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor;
}

@media (max-width: 760px){
  .headerInner{ justify-content:space-between; }
  .navToggle{ display:inline-flex; }
  .nav{
    position:absolute;
    left:0; right:0;
    top:100%;
    display:none;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:6px;
    padding:12px 14px 14px;
    background: var(--header-bg);
    border-bottom:1px solid var(--header-border);
    backdrop-filter:saturate(160%) blur(10px);
  }
  .siteHeader.navOpen .nav{ display:flex; }
  .navLink{ width:100%; text-align:left; }
  .headerActions{ width:100%; justify-content:space-between; }
}



/* --- Layout safety: avoid sticky+flex issues on some mobile browsers --- */
body{display:block !important; min-height:100vh;}
.page{min-height:100vh; display:flex; flex-direction:column;}
.page > main{flex:1;}