.ev-container {
  max-width: 1100px;
  margin: auto;
  padding: 20px;
  font-family: Arial, sans-serif;
}

.ev-container h1 {
  text-align: center;
  margin-bottom: 20px;
}

.ev-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.card {
  padding: 20px;
  border-radius: 12px;
  background: #f9f9f9;
}

.fuel {
  background: #ffe6e6;
}

.ev {
  background: #e6ffe6;
}

label {
  display: block;
  margin-top: 12px;
  font-weight: bold;
}

input, select {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  border-radius: 6px;
  border: 1px solid #ccc;
}

.row {
  display: flex;
  gap: 10px;
}

.row input {
  flex: 2;
}

.row select {
  flex: 1;
}

button {
  width: 100%;
  margin-top: 20px;
  padding: 14px;
  background: #007bff;
  color: white;
  border: none;
  font-size: 16px;
  border-radius: 8px;
  cursor: pointer;
}

button:hover {
  background: #0056b3;
}

.result {
  margin-top: 20px;
  padding: 20px;
  background: #f1f1f1;
  border-radius: 10px;
  font-size: 16px;
}

.highlight {
  color: green;
  font-weight: bold;
}

/* Mobile Fix */
@media (max-width: 768px) {
  .ev-grid {
    grid-template-columns: 1fr;
  }
}