body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
  background: #f4f4f4;
  display: flex;
  flex-direction: column;
  height: 100vh;
}
header {
  background: #003366;
  color: white;
  padding: 1rem;
  text-align: center;
}
#table {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  padding: 2rem;
  background: #e0e0e0;
}
.ai-seat {
  background: white;
  border: 2px solid #ccc;
  border-radius: 10px;
  width: 120px;
  text-align: center;
  padding: 1rem;
  margin: 0.5rem;
  font-weight: bold;
}
.ai-seat span {
  display: block;
  margin-top: 0.5rem;
  font-weight: normal;
  font-size: 0.9em;
}
#input-area {
  padding: 1rem;
  background: #fff;
  display: flex;
  gap: 1rem;
}
textarea {
  flex: 1;
  padding: 0.75rem;
  font-size: 1rem;
}
button {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  background: #003366;
  color: white;
  border: none;
  cursor: pointer;
}
#chat {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}