body {
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #1e3a8a, #ec4899, #22c55e);
  color: white;
  margin: 0;
  padding: 20px;
}
.container { max-width: 600px; margin: auto; }
.header { text-align: center; padding: 20px; }
.section { display: none; text-align: center; padding: 20px; border-radius: 10px; background: rgba(0,0,0,0.5); }
.section.active { display: block; }
.logo { width: 100%; max-width: 400px; border-radius: 10px; }
input, select { width: 100%; padding: 10px; margin: 10px 0; border-radius: 5px; }
button { padding: 10px 20px; background: #ec4899; color: white; border: none; border-radius: 20px; cursor: pointer; transition: background 0.3s; }
button:hover { background: #db2777; }
.staff-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.staff-card { background: white; color: black; padding: 10px; border-radius: 10px; cursor: pointer; transition: transform 0.3s; }
.staff-card:hover { transform: scale(1.05); }
.staff-card img { border-radius: 50%; width: 100px; height: 100px; }
.staff-card.selected { border: 2px solid #22c55e; }
#qr-code { margin: 10px auto; }