body {
  background: #fafafa;
  color: #222;
  font-family: system-ui, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}
main {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
}
#game {
  display: grid;
  grid-template-rows: repeat(6, 1fr);
  gap: 8px;
  margin: 20px 0;
  justify-items: center;
}
.row {
  display: grid;
  grid-template-columns: repeat(5, 40px);
  gap: 6px;
}
.cell {
  width: 40px;
  height: 40px;
  border: 2px solid #ccc;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: #fff;
  text-transform: uppercase;
  font-weight: bold;
}
.cell.correct {
  background: #6aaa64;
  color: #fff;
  border-color: #6aaa64;
}
.cell.present {
  background: #c9b458;
  color: #fff;
  border-color: #c9b458;
}
.cell.absent {
  background: #787c7e;
  color: #fff;
  border-color: #787c7e;
}
#message {
  min-height: 1.5em;
  margin-bottom: 10px;
  color: #b91c1c;
}
#guess-input {
  font-size: 1.2rem;
  width: 120px;
  text-align: center;
  margin-right: 8px;
}
#submit-btn {
  font-size: 1.1rem;
  padding: 4px 16px;
  cursor: pointer;
}