body { 
  font-family: Arial, sans-serif; 
  margin: 20px; 
  background: #FFD700;  /* Giallo chiaro */
}
h1 { text-align: center; color: #333; }
h2 { color: #555; margin-top: 30px; }
table { 
  border-collapse: collapse; 
  width: 100%; 
  max-width: 900px; 
  margin: 10px auto; 
  background: white; 
}
th, td { 
  border: 1px solid #ccc; 
  padding: 8px; 
  text-align: left; 
}
th { background: #4CAF50; color: white; }
tr:nth-child(even) { background: #f9f9f9; }
.container { max-width: 1400px; margin: 0 auto; }
.nav { text-align: center; margin-bottom: 20px; }
.nav button { 
  padding: 10px 20px; 
  margin: 5px; 
  border: none; 
  border-radius: 5px; 
  cursor: pointer; 
  background: #ddd; 
}
.nav button.active { background: #4CAF50; color: white; }
.section { display: none; }
.section.active { display: block; }

/* Stili Report F1 e F2 */
.campi-container { 
  display: flex; 
  flex-wrap: wrap; 
  gap: 15px; 
  justify-content: center; 
}
.campo-box { 
  flex: 1; 
  min-width: 320px; 
  max-width: 32%; 
  border: 1px solid #ccc; 
  border-radius: 8px; 
  padding: 12px; 
  background: white; 
}
.campo-A { background: #e3f2fd; }
.campo-B { background: #e8f5e9; }
.campo-C { background: #fff3e0; }
.campo-D { background: #fce4ec; }
.campo-E { background: #f3e5f5; }
.campo-F { background: #e0f7fa; }

@media print { 
  .nav { display: none; } 
  .section { display: block !important; } 
}
.btn-stampa { 
  display: block; 
  margin: 20px auto; 
  padding: 10px 20px; 
  background: #2196F3; 
  color: white; 
  border: none; 
  border-radius: 5px; 
  cursor: pointer; 
  font-size: 1em; 
}