body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f9f9f9;
}

.container {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 50px;
}

.card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  padding: 20px;
  width: 280px;
  text-align: center;
}

.card img {
  width: 100%;
  border-radius: 10px;
}

button {
  background: #0077cc;
  color: #fff;
  padding: 10px 15px;
  margin-top: 10px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

button:hover {
  background: #005fa3;
}

.modal {
  display: none;
  position: fixed;
  z-index: 10;
  left: 0; top: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.5);
}

.modal-content {
  background: #fff;
  margin: 5% auto;
  padding: 20px;
  border-radius: 12px;
  width: 400px;
  text-align: center;
}

.close {
  float: right;
  font-size: 24px;
  cursor: pointer;
}

#qrcode {
  margin-top: 20px;
}
#downloadBtn {
  margin-top: 15px;
}

/* Navbar */
.navbar {
  list-style: none;
  display: flex;
  gap: 20px;
  justify-content: center;
  background: #0077cc;
  padding: 15px;
  margin: 0;
}

.navbar li a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

.navbar li a:hover {
  text-decoration: underline;
}

/* Navbar */
.navbar {
  list-style: none;
  display: flex;
  gap: 20px;
  justify-content: center;
  background: #0077cc;
  padding: 15px;
  margin: 0;
}
.navbar li a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}
.navbar li a:hover {
  text-decoration: underline;
}

/* Cards */
.container {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
  margin: 20px 0;
}
.card {
  background: #f9f9f9;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  padding: 20px;
  max-width: 300px;
  text-align: center;
}
.card img {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 10px;
}

/* Summary */
.summary {
  text-align: center;
  margin-top: 30px;
}
#qrcodeContainer img {
  margin-top: 15px;
  width: 200px;
  height: 200px;
}