body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, sans-serif;
  background-color: #f3f1ee;
  color: #212529;
  min-height: 100vh;
  max-width: 800px;
  margin: 40px auto;
  padding: 20px;
  display: block; /* Removed flex layout */
}

h1 {
  font-size: 2.5rem;
  background: #ffffff;
  padding: 12px 24px;
  border: 3px solid black;
  box-shadow: 5px 5px 0px black;
  display: inline-block;
  font-weight: bold;
  text-transform: uppercase;
  margin-bottom: 40px;
}

.question {
  display: none;
  background: #ffffff;
  padding: 24px;
  border: 3px solid black;
  box-shadow: 4px 4px 0 black;
  border-radius: 0;
  margin-bottom: 30px;
}

.question.active {
  display: block;
  animation: fadeIn 0.2s ease-in-out;
}

label {
  display: block;
  margin: 12px 0;
  padding: 12px 16px;
  border: 2px solid black;
  background: #ffffff;
  cursor: pointer;
  font-weight: 500;
  transition: background-color 0.2s ease;
}

label:hover {
  background-color: #e9ecef;
}

button {
  border: 3px solid black;
  background-color: #46baf7;
  color: black;
  padding: 12px 24px;
  font-size: 1rem;
  cursor: pointer;
  margin-top: 20px;
  margin-right: 10px;
  box-shadow: 4px 4px 0 black;
  font-weight: 600;
}

button:hover {
  background-color: #0b5ed7;
  color: #fff;
}

.back-button {
  position: absolute;
  top: 20px;
  left: 20px;
  text-decoration: none;
  background-color: #ffffff;
  border: 3px solid black;
  padding: 10px 18px;
  font-weight: bold;
  color: #000;
  box-shadow: 4px 4px 0 black;
  text-transform: uppercase;
  transition: background-color 0.2s ease;
  z-index: 1000;
}

.back-button:hover {
  background-color: #e9ecef;
}

#results {
  display: none;
  text-align: center;
  background-color: #ffffff;
  padding: 30px;
  border: 3px solid black;
  box-shadow: 5px 5px 0 black;
}

#results h2 {
  font-size: 2rem;
  text-transform: uppercase;
  margin-bottom: 20px;
}

#results img {
  max-width: 300px;
  margin-top: 20px;
  border: 3px solid black;
}

canvas {
  margin: 30px auto;
  display: block;
  max-width: 100%;
  border: 2px solid black;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}