body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background: #FFF8E1;
  color: #004D40;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.container {
  padding: 20px;
}

h1 {
  margin-bottom: 10px;
}

#status {
  margin-bottom: 20px;
  font-weight: bold;
}

.grid {
  display: grid;
  grid-template-columns: repeat(9, 30px);
  grid-gap: 2px;
  margin-bottom: 20px;
}

.dot {
  width: 10px;
  height: 10px;
  background: #004D40;
  border-radius: 50%;
  margin: auto;
}

.line {
  width: 30px;
  height: 10px;
  background: #e0e0e0;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.3s;
}

.line:hover {
  background: #81D4FA;
}

.line.filled.red {
  background: #D32F2F;
}

.line.filled.blue {
  background: #1976D2;
}

.box {
  width: 30px;
  height: 30px;
  background: transparent;
}

.box.filled.red {
  background-color: #FFCDD2;
}

.box.filled.blue {
  background-color: #BBDEFB;
}

.reset-button {
  padding: 10px 20px;
  background: #004D40;
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  cursor: pointer;
}

.reset-button:hover {
  background-color: #00695C;
}