Add: first working version

src/app/app.component.css

@@ -0,0 +1,84 @@
+.container {
+  max-width: 1200px;
+  margin: 0 auto;
+  padding: 20px;
+  font-family: Arial, sans-serif;
+}
+
+header {
+  margin-bottom: 20px;
+  text-align: center;
+}
+
+h1 {
+  color: #333;
+}
+
+.controls {
+  display: flex;
+  justify-content: space-between;
+  margin-bottom: 20px;
+  flex-wrap: wrap;
+  gap: 10px;
+}
+
+.form-group {
+  margin-bottom: 10px;
+  flex: 1;
+  min-width: 200px;
+}
+
+label {
+  display: block;
+  margin-bottom: 5px;
+  font-weight: bold;
+}
+
+select, input {
+  width: 100%;
+  padding: 8px;
+  border: 1px solid #ccc;
+  border-radius: 4px;
+}
+
+.chart-container {
+  background-color: #f9f9f9;
+  border-radius: 8px;
+  padding: 20px;
+  min-height: 400px;
+  margin-bottom: 20px;
+}
+
+.loading, .error {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  height: 400px;
+}
+
+.error {
+  color: #d9534f;
+}
+
+.price-list {
+  margin-top: 30px;
+}
+
+table {
+  width: 100%;
+  border-collapse: collapse;
+}
+
+th, td {
+  padding: 10px;
+  text-align: left;
+  border-bottom: 1px solid #ddd;
+}
+
+th {
+  background-color: #f2f2f2;
+}
+
+tr:hover {
+  background-color: #f5f5f5;
+}