#battery-calculator {
  max-width: 400px;
  margin: 40px auto;
  padding: 20px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  font-family: Arial, sans-serif;
  box-sizing: border-box;
}

#battery-calculator h2 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  text-align: center;
}

#battery-calculator label {
  display: block;
  margin-bottom: 6px;
  font-weight: bold;
}

#battery-calculator input {
  width: 100%;
  padding: 8px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 6px;
  box-sizing: border-box;
}

#battery-calculator button {
  width: 100%;
  background: #2563eb;
  color: white;
  padding: 10px 0;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
}

#battery-calculator button:hover {
  background: #1e40af;
}

#battery-calculator .result {
  margin-top: 15px;
  padding: 15px;
  border-radius: 8px;
  word-wrap: break-word;
  text-align: center;
  font-weight: bold;
  font-size: 1rem;
  background: #e0f7fa; /* צבע בסיס */
}

/* ✅ המלצה בצבע ירוק */
#battery-calculator .recommendation {
  margin-top: 10px;
  padding: 12px;
  border-radius: 8px;
  background: #4ade80;
  color: #065f46;
  font-weight: bold;
  font-size: 1rem;
}

/* 📱 Media Query למובייל */
@media (max-width: 480px) {
  #battery-calculator {
    padding: 15px;
    margin: 20px 10px;
  }

  #battery-calculator h2 {
    font-size: 1.2rem;
  }

  #battery-calculator button {
    font-size: 0.95rem;
    padding: 8px 0;
  }

  #battery-calculator .result, 
  #battery-calculator .recommendation {
    font-size: 0.95rem;
    padding: 10px;
  }
}