body {
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 650px;
  margin: 60px auto;
  background: white;
  padding: 30px;
  border-radius: 14px;
  box-shadow: 0 4px 18px rgba(0,0,0,0.12);
  text-align: center;
}

h1 {
  margin-bottom: 10px;
}

.number-grid {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 25px 0;
  flex-wrap: wrap;
}

input {
  width: 65px;
  height: 45px;
  font-size: 20px;
  text-align: center;
  border: 1px solid #ccc;
  border-radius: 8px;
}

button {
  padding: 12px 28px;
  font-size: 17px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background: #1d4ed8;
  color: white;
}

button:hover {
  background: #163fa8;
}

#resultado {
  margin-top: 25px;
  padding: 18px;
  border-radius: 10px;
  font-size: 17px;
  line-height: 1.5;
}

.bueno {
  background: #d1fae5;
  color: #065f46;
}

.regular {
  background: #fef3c7;
  color: #92400e;
}

.malo {
  background: #fee2e2;
  color: #991b1b;
}

.top-jugadas {
  margin-top: 15px;
  text-align: left;
}

.jugada-card {
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(0, 0, 0, 0.08);
  padding: 12px;
  margin: 10px 0;
  border-radius: 8px;
  line-height: 1.5;
}