/* General Styles */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: #f4f4f4;
}

.planner-container {
  text-align: center;
  background-color: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  max-width: 800px;
  width: 100%;
}

h1 {
  margin-bottom: 10px;
}

p {
  margin-bottom: 20px;
}

/* Input Form */
.input-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
}

.input-form label {
  text-align: left;
  margin-bottom: 5px;
}

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

.input-form button {
  grid-column: span 2;
  padding: 10px;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.input-form button:hover {
  background-color: #45a049;
}

/* 3D Interactive View */
.visualization {
  margin-top: 20px;
}

#3d-view {
  width: 100%;
  height: 300px;
  border: 2px dashed #333;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #e0e0e0;
  margin-bottom: 20px;
}

/* Advanced Features */
.advanced-features {
  margin-top: 20px;
}

.advanced-features a {
  color: #4CAF50;
  text-decoration: none;
}

.advanced-features a:hover {
  text-decoration: underline;
}