* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    padding: 20px;
}





.sidebar {
    width: 280px;
    padding: 20px;
    border-right: 1px solid #ddd;
    background-color: #f9f9f9;
}

.main-content {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

h1 {
    color: #333;
    margin-bottom: 20px;
    font-size: 24px;
}

.control-group {
    margin-bottom: 20px;
}

.control-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 8px;
    color: #555;
    font-size: 14px;
}

.date-inputs {
    display: flex;
    gap: 5px;
}

select, input[type="number"] {
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
}

.date-inputs select {
    flex: 1;
    font-size: 16px;
    padding-right: 6px;
}

#yearSelect {
    flex: 1.5;
    min-width: 70px;
}

.button-group {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

button {
    flex: 1;
    padding: 10px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
}

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

.visibility-controls {
    margin-top: 20px;
}

.visibility-controls h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #333;
}

.checkbox-item {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.checkbox-item input[type="checkbox"] {
    margin-right: 8px;
    width: 18px;
    height: 18px;
}

.checkbox-item label {
    font-size: 14px;
    font-weight: normal;
    margin: 0;
    cursor: pointer;
}

#plotImage {
    max-width: 100%;
    height: auto;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.loading {
    text-align: center;
    padding: 40px;
    font-size: 18px;
    color: #666;
}

.error {
    color: #d32f2f;
    padding: 10px;
    background-color: #ffebee;
    border-radius: 4px;
    margin: 10px 0;
}
#btnUpdatePlot{
    width: 100%;
    margin-bottom: 10px;
    font-size: 16px;
}
#btnSaveChart{
    width: 100%;
    background-color: #28a745;
    font-size: 16px;
}
#plotImage, #loadingMessage, #errorMessage {
    display: none;
}