*{box-sizing:border-box}
:root{
  --blue:#075fbe;
  --blue-dark:#064a92;
  --blue-soft:#eef6ff;
  --navy:#17324f;
  --muted:#65758a;
  --line:#dce6f0;
  --bg:#f5f8fb;
  --green:#087c47;
  --green-bg:#ebf8f1;
  --red:#b42318;
  --red-bg:#fff1f0;
}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--navy);font-family:Inter,Arial,Helvetica,sans-serif;line-height:1.5}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.wrap{width:min(1160px,calc(100% - 28px));margin:auto}

.hero{background:linear-gradient(135deg,#075fbe,#074d98);color:#fff;padding:42px 0}
.hero-inner{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center}
.eyebrow{display:block;text-transform:uppercase;letter-spacing:.11em;font-size:11px;font-weight:800;opacity:.9;margin-bottom:7px}
.hero h1{font-size:clamp(30px,4.3vw,46px);line-height:1.06;letter-spacing:-1.1px;margin:0 0 12px}
.hero p{font-size:17px;max-width:780px;margin:0;color:#e8f2fc}
.hero-points{display:grid;gap:8px;background:rgba(255,255,255,.1);padding:17px 20px;border:1px solid rgba(255,255,255,.2);border-radius:12px;font-size:13px;font-weight:700;white-space:nowrap}

.content{padding:22px 0 32px}
.app-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:16px;align-items:stretch}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:0 8px 25px rgba(22,47,75,.045)}
.app-grid>.card{height:100%}
.preview-card{display:flex;flex-direction:column}
.preview-card .download-grid{margin-top:auto}
.section-title{display:flex;gap:12px;align-items:flex-start;margin-bottom:18px}
.section-title.no-margin{margin:0}
.step{display:inline-flex;align-items:center;justify-content:center;min-width:30px;height:30px;border-radius:8px;background:var(--blue);color:#fff;font-weight:800}
.section-title h2,.formats-title h2,.results-head h2{margin:1px 0 3px;font-size:19px}
.section-title p,.formats-title p,.results-head p{margin:0;color:var(--muted);font-size:13px}
.optional{font-weight:400;color:var(--muted);font-size:14px}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;font-size:13px;font-weight:750;margin-bottom:6px}
select,input,textarea{width:100%;padding:11px 12px;border:1px solid #cbd9e7;border-radius:8px;background:#fff;color:#17324f;outline:none}
select:focus,input:focus,textarea:focus{border-color:#6ba6df;box-shadow:0 0 0 3px rgba(7,95,190,.09)}
.help-box{margin-top:10px;padding:10px 12px;border-radius:8px;background:var(--blue-soft);color:#395a77;font-size:12px}
.check-row{margin-top:10px}
.check-row label{font-weight:600;margin:0;display:flex;align-items:center;gap:8px}
.check-row input{width:auto}
.hidden{display:none!important}
.separator{height:1px;background:var(--line);margin:17px 0}


.segmented{display:flex;flex-wrap:wrap;gap:7px}
.segmented button{border:1px solid #cbd9e7;background:#fff;color:#35516d;border-radius:7px;padding:8px 11px;font-size:12px;font-weight:750}
.segmented button.active{background:var(--blue);border-color:var(--blue);color:#fff}

.preview-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.status-pill{border-radius:999px;padding:6px 9px;font-size:11px;font-weight:800;white-space:nowrap}
.status-pill.valid{background:var(--green-bg);color:var(--green)}
.status-pill.invalid{background:var(--red-bg);color:var(--red)}
.barcode-stage{min-height:190px;margin:14px 0 6px;display:flex;align-items:center;justify-content:center;padding:13px;border:1px dashed #cedce9;border-radius:10px;overflow:auto;background:#fff}
.barcode-stage svg{max-width:100%;height:auto}
.validation-message{min-height:22px;text-align:center;font-size:12px;color:var(--muted);margin-bottom:10px}
.validation-message.error{color:var(--red)}
.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.download-grid button,.primary{border:0;border-radius:8px;padding:10px 12px;background:#edf3f8;color:#27445f;font-weight:800;font-size:12px}
.download-grid .primary,.primary{background:var(--blue);color:#fff}
.download-grid button:hover,.primary:hover{filter:brightness(.97)}

.multi-card,.formats-card,#multiSection{margin-top:16px}
.multi-heading,.results-head{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-bottom:16px}
.active-format{background:var(--blue-soft);border:1px solid #d6e8fb;border-radius:9px;padding:9px 12px;color:#56728d;font-size:11px;text-align:right}
.active-format strong{display:block;color:var(--blue);font-size:15px}
.multi-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:14px}
.multi-actions{display:flex;flex-direction:column;gap:10px}
.multi-note{background:#f8fafc;border:1px solid var(--line);border-radius:9px;padding:12px;display:grid;gap:4px;color:var(--muted);font-size:12px;flex:1}
.multi-note strong{color:#294863}
.multi-actions .primary{width:100%}
.multi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.multi-item{border:1px solid var(--line);border-radius:9px;padding:10px;text-align:center;overflow:auto;background:#fff}
.multi-item svg{max-width:100%;height:auto}
.multi-error{font-size:11px;color:var(--red);margin-top:5px}

.formats-title{margin-bottom:14px}
.formats{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}
.formats button{min-height:96px;border:1px solid var(--line);background:#f9fbfd;border-radius:9px;padding:11px 7px;color:#294863}
.formats button.selected{border-color:#76abe1;background:var(--blue-soft);box-shadow:inset 0 0 0 1px #9fc6ed}
.formats b,.formats span,.formats small{display:block}
.formats b{font-size:13px;margin-bottom:4px}
.formats span{font-size:10px;color:var(--blue);font-weight:800;margin-bottom:4px}
.formats small{font-size:10px;color:var(--muted);line-height:1.25}

.qr-style-cta{display:grid;grid-template-columns:1.35fr .65fr;gap:24px;margin-top:16px;padding:26px;border-radius:15px;background:#102f50;color:#fff}
.qr-style-cta .eyebrow{color:#b9d9f8}
.qr-style-cta h2{font-size:24px;margin:4px 0 9px}
.qr-style-cta p{margin:0;color:#d2dfeb;font-size:14px;max-width:720px}
.cta-links{display:grid;gap:8px;align-content:center}
.cta-links a{display:flex;justify-content:space-between;gap:14px;text-decoration:none;color:#153d64;background:#fff;border-radius:8px;padding:10px 12px;font-size:12px;font-weight:800}
.cta-links span{color:var(--blue)}

@media(max-width:920px){
  .hero-inner,.app-grid{grid-template-columns:1fr}
  .hero-points{grid-template-columns:repeat(3,1fr);white-space:normal}
  .formats{grid-template-columns:repeat(4,1fr)}
  .qr-style-cta{grid-template-columns:1fr}
}
@media(max-width:650px){
  .wrap{width:min(100% - 18px,1160px)}
  .hero{padding:30px 0}
  .hero h1{font-size:32px}
  .hero p{font-size:15px}
  .hero-points{grid-template-columns:1fr}
  .card{padding:16px;border-radius:11px}
  .form-grid,.multi-layout{grid-template-columns:1fr}
  .multi-heading,.results-head,.preview-head{align-items:flex-start;flex-direction:column}
  .active-format{text-align:left;width:100%}
  .download-grid{grid-template-columns:1fr}
  .formats{grid-template-columns:repeat(2,1fr)}
  .multi-grid{grid-template-columns:1fr}
  .qr-style-cta{padding:20px}
}
@media print{
  @page{size:A4 portrait;margin:10mm}
  html,body{margin:0!important;padding:0!important;background:#fff!important}
  body{overflow:visible!important}
  body>*{display:none!important}
  main{display:block!important;width:100%!important;margin:0!important;padding:0!important}
  main>*{display:none!important}
  #multiSection{display:block!important;position:static!important;width:100%!important;margin:0!important;padding:0!important;border:0!important;box-shadow:none!important;background:#fff!important}
  #multiSection *{visibility:visible!important}
  #multiSection .results-head{margin:0 0 8mm!important}
  #printMulti{display:none!important}
  .multi-grid{display:grid!important;grid-template-columns:repeat(3,1fr)!important;gap:6mm!important}
  .multi-item{break-inside:avoid!important;page-break-inside:avoid!important;border:1px solid #bbb!important;padding:4mm!important;min-height:32mm!important}
  .multi-item svg{max-width:100%!important;height:auto!important}
}
.grouped-options{
  display:grid;
  grid-template-columns:1.35fr 1fr 1fr;
  gap:12px;
  align-items:stretch;
}
.option-group{
  border:1px solid var(--line);
  background:#f9fbfd;
  border-radius:10px;
  padding:12px;
  min-width:0;
}
.option-group label{
  margin-bottom:8px;
  color:#294863;
}
.option-group .segmented{
  display:flex;
  gap:6px;
  flex-wrap:nowrap;
}
.option-group .segmented button{
  flex:1 1 auto;
  min-width:0;
  white-space:nowrap;
  padding:8px 9px;
}
@media(max-width:900px){
  .grouped-options{
    grid-template-columns:1fr;
  }
  .option-group .segmented{
    flex-wrap:wrap;
  }
}

/* V6: evitar desbordes en los botones de opciones */
.grouped-options{
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr) minmax(0,1fr);
}
.option-group{
  overflow:hidden;
}
.option-group .segmented{
  width:100%;
}
.option-group .segmented button{
  flex:1 1 0;
  min-width:0;
  max-width:100%;
  white-space:normal;
  overflow-wrap:anywhere;
  word-break:normal;
  line-height:1.2;
  text-align:center;
  padding:8px 7px;
  min-height:44px;
  display:flex;
  align-items:center;
  justify-content:center;
}
@media(max-width:1100px) and (min-width:901px){
  .grouped-options{
    grid-template-columns:minmax(0,1.45fr) minmax(0,.9fr) minmax(0,.9fr);
  }
  .option-group{
    padding:10px;
  }
  .option-group .segmented button{
    font-size:11px;
    padding:7px 5px;
  }
}

/* V7: botones siempre en una sola línea */
.grouped-options{
  grid-template-columns:minmax(0,1.15fr) minmax(0,1fr) minmax(0,1fr);
  gap:10px;
}
.option-group{
  padding:10px;
}
.option-group .segmented{
  display:grid;
  gap:5px;
  width:100%;
}
.option-group:first-child .segmented{
  grid-template-columns:repeat(2,minmax(0,1fr));
}
.option-group:nth-child(2) .segmented,
.option-group:nth-child(3) .segmented{
  grid-template-columns:repeat(3,minmax(0,1fr));
}
.option-group .segmented button{
  width:100%;
  min-width:0;
  max-width:none;
  white-space:nowrap!important;
  overflow:hidden;
  text-overflow:clip;
  overflow-wrap:normal!important;
  word-break:normal!important;
  font-size:11px;
  line-height:1;
  padding:9px 4px;
  min-height:34px;
  display:block;
  text-align:center;
}
@media(max-width:1000px) and (min-width:901px){
  .option-group .segmented button{
    font-size:10px;
    padding-left:2px;
    padding-right:2px;
  }
}

/* V9: volver a la versión anterior y equilibrar el ancho de los tres recuadros */
.grouped-options{
  grid-template-columns:repeat(3,minmax(0,1fr)) !important;
  gap:10px !important;
}
.option-group{
  min-width:0;
}
.option-group .segmented{
  width:100%;
}
.option-group:first-child .segmented{
  grid-template-columns:repeat(2,minmax(0,1fr)) !important;
}
.option-group:nth-child(2) .segmented,
.option-group:nth-child(3) .segmented{
  grid-template-columns:repeat(3,minmax(0,1fr)) !important;
}
.option-group .segmented button{
  width:100%;
  min-width:0;
  white-space:nowrap !important;
  overflow:hidden;
  text-overflow:ellipsis;
}
@media(max-width:900px){
  .grouped-options{
    grid-template-columns:1fr !important;
  }
}


/* V10: hacer más estrecho el bloque Mostrar/Ocultar para que 'Pequeño' se vea completo */
.grouped-options{
  grid-template-columns:minmax(0,0.85fr) minmax(0,1.075fr) minmax(0,1.075fr) !important;
}
.option-group:first-child .segmented{
  grid-template-columns:repeat(2,86px) !important;
  justify-content:center;
  gap:8px;
}
.option-group:first-child .segmented button{
  width:86px;
  max-width:86px;
}
.option-group:nth-child(2) .segmented button,
.option-group:nth-child(3) .segmented button{
  text-overflow:clip;
  font-size:11px;
}
@media(max-width:900px){
  .grouped-options{
    grid-template-columns:1fr !important;
  }
  .option-group:first-child .segmented{
    grid-template-columns:repeat(2,minmax(0,1fr)) !important;
    justify-content:stretch;
  }
  .option-group:first-child .segmented button{
    width:100%;
    max-width:none;
  }
}

/* V11: corregir Mostrar/Ocultar para que no desborden su recuadro */
.option-group:first-child{
  overflow:hidden;
}
.option-group:first-child .segmented{
  display:grid !important;
  grid-template-columns:repeat(2,minmax(0,1fr)) !important;
  gap:6px !important;
  width:100% !important;
  justify-content:stretch !important;
}
.option-group:first-child .segmented button{
  width:100% !important;
  min-width:0 !important;
  max-width:none !important;
  box-sizing:border-box !important;
  padding:0 6px !important;
  height:36px !important;
  line-height:36px !important;
  white-space:nowrap !important;
  overflow:hidden !important;
  text-overflow:clip !important;
}