body {
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #0f0f1a, #1a202c);
  color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  text-align: center;
  background: #1a1a2e;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  width: 90%;
  max-width: 400px;
}

h1 {
  font-size: 24px;
  margin-bottom: 20px;
  color: #00d1b2;
}

#scanner-container {
  position: relative;
  width: 100%;
  height: auto;
}

video {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

#result {
  margin-top: 15px;
  padding: 10px;
  background: #131313;
  border-radius: 8px;
  font-size: 16px;
  border: 1px solid #00d1b2;
}

.btn {
  padding: 10px 20px;
  margin-top: 15px;
  background: #00d1b2;
  color: #fff;
  text-transform: uppercase;
  border: none;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s;
}

.btn:hover {
  background: #56e0c2;
}

.hidden {
  display: none;
}

.btn i {
  margin-right: 8px;
}