:root{
  --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;
}

body.dark{
  --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);
}

.wrap{max-width:860px;margin:0 auto;padding:16px}

.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 dashed var(--border);
  border-radius:16px;
  background:var(--soft);
  display:grid;
  place-items:center;
  color:var(--muted);
  font-size:12px;
  padding:14px;
  margin: 12px 0;
}

.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:14px}
.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}
}