@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&display=swap');
:root{--blue:#537AAF;--gold:#C89A3C;--bg:#f3f6fa;--text:#172033;--muted:#687386;--line:#d9e0e9}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--text);font-family:Montserrat,Arial,sans-serif}.app-shell{width:min(1200px,calc(100% - 32px));margin:28px auto 48px}.app-header{display:flex;align-items:center;gap:18px;background:var(--blue);color:#fff;padding:22px 26px;border-radius:16px 16px 0 0}.brand-mark{width:58px;height:58px;border:2px solid var(--gold);border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:22px}.app-header h1{margin:0;font-size:30px}.app-header p{margin:5px 0 0}.selector-panel{background:#fff;padding:22px 26px;border:1px solid var(--line);border-top:0}.filter-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.filter-field{display:flex;flex-direction:column;gap:7px}.filter-field label,.label-tools label{font-size:12px;font-weight:700;color:var(--blue);text-transform:uppercase}select{min-height:44px;padding:9px 12px;border:1px solid #bcc8d7;border-radius:8px;background:#fff;font:500 14px Montserrat,Arial}.status{font-size:13px;color:var(--muted)}.empty-state{margin-top:20px;background:#fff;border:1px dashed #bcc8d7;border-radius:12px;padding:34px;text-align:center;color:var(--muted)}#label-area{margin-top:20px}.sga-label{display:grid;grid-template-columns:29% 71%;background:#fff;border:2px solid #111}.label-left{border-right:2px solid #111;padding:28px 18px;display:flex;flex-direction:column;align-items:center}.signal-word{text-align:center;font-size:28px;font-weight:800;margin-bottom:24px}.pictogram-grid{display:grid;grid-template-columns:repeat(2,105px);justify-content:center;gap:14px}.pictogram{width:105px;height:105px}.pictogram svg{width:100%;height:100%}.label-right{padding:28px;font-size:14px;line-height:1.38}.chemical-header h2{margin:0 0 10px;color:var(--blue);font-size:27px}.product-meta{margin:3px 0}.label-section{margin-top:16px}.label-section h3{margin:0 0 6px;color:var(--blue);font-size:13px}.label-section p{margin:5px 0}.label-disclaimer{margin-top:18px;padding-top:10px;border-top:1px solid #bbb;font-size:11px;color:#4f5967}.label-tools{display:flex;align-items:center;gap:10px;margin-top:16px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.button{padding:11px 16px;border-radius:8px;border:1px solid transparent;font:700 12px Montserrat;text-decoration:none;cursor:pointer}.primary{background:var(--blue);color:#fff}.secondary{background:#fff;color:var(--blue);border-color:var(--blue)}.link{background:var(--gold);color:#fff}[hidden]{display:none!important}@media(max-width:820px){.filter-grid,.sga-label{grid-template-columns:1fr}.label-left{border-right:0;border-bottom:2px solid #111}}
/* Logo institucional GB */
.brand-logo{
  width:180px;
  height:auto;
  display:block;
  flex-shrink:0;
  object-fit:contain;
}

@media(max-width:700px){
  .brand-logo{
    width:135px;
  }
}
/* =========================================================
   GB QUÍMICOS - INTERFAZ DESKTOP
   ========================================================= */

body{
  background:#f3f6fa;
}

/* Contenedor general */
.app-shell{
  width:90%;
  max-width:1450px;
  margin:28px auto 50px;
}

/* Header institucional */
.app-header{
  min-height:150px;
  padding:24px 42px;
  border-radius:14px 14px 0 0;
  display:flex;
  align-items:center;
  gap:38px;
}

.brand-logo{
  width:230px;
  height:auto;
  display:block;
  flex-shrink:0;
}

.app-header > div:last-child{
  border-left:1px solid rgba(255,255,255,.75);
  padding-left:38px;
}

.app-header h1{
  font-size:32px;
  line-height:1.15;
  margin:0 0 7px;
  font-weight:700;
}

.app-header p{
  font-size:18px;
  margin:0;
  letter-spacing:.04em;
}

/* Panel de filtros */
.selector-panel{
  padding:25px 28px 22px;
  background:#fff;
  border:1px solid #d9e0e9;
  border-top:0;
}

.filter-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}

.filter-field label{
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  color:#537AAF;
  margin-bottom:7px;
}

.filter-field select{
  width:100%;
  min-height:43px;
  padding:0 12px;
  font-size:14px;
  border:1px solid #cbd5e1;
  border-radius:7px;
  background:#fff;
}

.status{
  margin-top:14px;
  font-size:13px;
}

/* Área de etiqueta */
#label-area{
  margin-top:24px;
}

.sga-label{
  width:100%;
  min-height:520px;
  background:#fff;
  box-shadow:0 4px 18px rgba(23,32,51,.08);
}

/* Mejora de lectura solamente en pantalla */
@media screen{
  .sga-label{
    font-size:15px;
  }
}

/* Herramientas */
.label-tools{
  margin-top:20px;
  padding:18px 0 0;
}

.label-tools label{
  font-weight:700;
  color:#537AAF;
}

.actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:16px;
}

.button{
  min-height:42px;
  padding:0 20px;
  border-radius:7px;
  font-size:13px;
  font-weight:700;
}

/* Tablet / móvil */
@media(max-width:900px){

  .app-shell{
    width:94%;
    margin-top:15px;
  }

  .app-header{
    min-height:auto;
    padding:20px;
    gap:20px;
  }

  .brand-logo{
    width:160px;
  }

  .app-header h1{
    font-size:23px;
  }

  .app-header p{
    font-size:14px;
  }

  .filter-grid{
    grid-template-columns:1fr;
  }

  .app-header > div:last-child{
    padding-left:20px;
  }
}

@media(max-width:600px){

  .app-header{
    flex-direction:column;
    align-items:flex-start;
  }

  .app-header > div:last-child{
    border-left:0;
    padding-left:0;
  }

  .brand-logo{
    width:150px;
  }
}
/* Ajuste fino del encabezado */
.app-header{
  min-height:120px;
  padding:18px 38px;
}

.brand-logo{
  width:190px;
}

.app-header h1{
  font-size:30px;
}

.app-header p{
  font-size:17px;
}
/* Footer institucional */
.app-footer{
  width:90%;
  max-width:1450px;
  margin:0 auto 28px;
  min-height:90px;
  padding:22px 30px;
  background:#537AAF;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  border-radius:0 0 12px 12px;
}

.app-footer div{
  display:flex;
  flex-direction:column;
  gap:5px;
}

.app-footer strong{
  font-size:15px;
}

.app-footer span,
.app-footer p{
  font-size:12px;
  margin:0;
}

.app-footer p{
  text-align:right;
}

@media(max-width:700px){
  .app-footer{
    width:94%;
    flex-direction:column;
    align-items:flex-start;
  }

  .app-footer p{
    text-align:left;
  }
}