body {
  font-family: Arial, sans-serif;
  background: #f4f4f4;
  margin: 0;
  padding: 0;
}
.container {
  max-width: 600px;
  margin: 40px auto;
  background: #fff;
  padding: 2em;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
h1 {
  text-align: center;
}
form {
  display: flex;
  flex-direction: column;
  gap: 1em;
  margin-bottom: 2em;
}
#species-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1em;
}
.species-card {
  background: #fafafa;
  border-radius: 6px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
  padding: 0.5em;
  text-align: center;
  cursor: pointer;
  transition: box-shadow 0.2s;
}
.species-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  background: #e6f7ff;
}
.species-img {
  width: 240px;
  height: 240px;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 0.75em;
}
.quiz-controls { margin-top: 12px; }
#score { margin: 8px 0; font-weight: bold; }
#result { margin-top: 8px; min-height: 1.2em; }
#proceed { margin-top: 8px; }
.species-name {
  font-weight: bold;
  font-size: 1em;
}