body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #eef1f5;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 960px;
  margin: 30px auto;
  padding: 30px;
  background-color: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-radius: 10px;
}

h1, h2 {
  color: #222;
  margin-bottom: 10px;
}

.input-section {
  margin-bottom: 25px;
}

.input-section label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

.input-section input {
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid #bbb;
  border-radius: 5px;
  width: 100px;
}

.input-group {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}

button {
  padding: 10px 20px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: bold;
}

button:hover {
  background-color: #0056b3;
}

.results-section {
  margin-top: 30px;
}

.stock-item {
  padding: 15px;
  margin-bottom: 25px;
  border: 1px solid #ccc;
  border-radius: 6px;
  background-color: #e6f4ea;
}

.stock-item h3 {
  margin-top: 0;
}

.stock-item ul {
  list-style-type: none;
  padding-left: 0;
}

.stock-item ul li {
  background-color: #f9f9f9;
  margin-bottom: 5px;
  padding: 6px 10px;
  border-radius: 4px;
}

.stock-item img {
  display: block;
  margin-top: 10px;
  max-width: 100%;
  border: 1px solid #ccc;
  border-radius: 6px;
}

/* New layout and color styles */
.header {
  background-color: #d0e6ff;
  padding: 20px;
  border-radius: 10px;
}

.parameters {
  background-color: #f0f8e2;
  padding: 15px;
  border-radius: 10px;
  margin-bottom: 20px;
}

.blade-width {
  background-color: #fff3cd;
  padding: 15px;
  border-radius: 10px;
  margin-bottom: 20px;
}

.flex-columns {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.column {
  flex: 1;
  min-width: 300px;
  background-color: #f9f9f9;
  padding: 15px;
  border-radius: 10px;
}

.remove-btn {
  background-color: #dc3545;
  color: white;
  border: none;
  border-radius: 4px;
  padding: 5px 10px;
  cursor: pointer;
  font-size: 0.9em;
}