:root {
  --bg: #070b1a;
  --accent: #7dd3fc;
  --wrong: #fb7185;
  --good: #34d399;
  font-family: 'Poppins', sans-serif;
}

body {
  background: radial-gradient(circle at top, #0b132b, #000);
  color: #dbeafe;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
}

.container {
  text-align: center;
  width: 90%;
  max-width: 500px;
}

h1 {
  color: var(--accent);
  margin-bottom: 10px;
  font-size: 2em;
}

#status {
  color: #9ca3af;
  margin-bottom: 20px;
}

.grid {
  display: grid;
  gap: 8px;
  justify-content: center;
  margin: 20px auto;
}

.cell {
  width: 60px;
  height: 60px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.05);
  cursor: pointer;
  transition: background 0.25s, transform 0.2s;
}

.cell:hover {
  transform: scale(1.05);
}

.cell.active {
  background: var(--accent);
  box-shadow: 0 0 18px var(--accent);
}

.cell.correct {
  background: var(--good);
  box-shadow: 0 0 18px var(--good);
}

.cell.wrong {
  background: var(--wrong);
  box-shadow: 0 0 18px var(--wrong);
}

.controls button {
  margin: 5px;
  padding: 10px 16px;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  background: linear-gradient(90deg, var(--accent), #a78bfa);
  color: #06121f;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.controls button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.info {
  margin-top: 15px;
  color: #93c5fd;
  display: flex;
  justify-content: space-around;
  font-size: 1.1em;
}