/* Define CSS variables for light and dark themes */
:root {
    --background-color: #f8f9fa;
    --text-color: #333;
    --header-color: #007BFF;
    --button-background: #007BFF;
    --button-hover: #0056b3;
    --table-header-background: #f4f4f4;
    --table-row-hover: #f1f1f1;
}

body.dark-theme {
    --background-color: #333;
    --text-color: #f8f9fa;
    --header-color: #1e90ff;
    --button-background: #1e90ff;
    --button-hover: #1c7ed6;
    --table-header-background: #444;
    --table-row-hover: #555;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.container {
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 20px;
}

header h1 {
    font-size: 2.5em;
    color: var(--header-color);
}

#themeToggle {
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    position: absolute;
    top: 20px;
    right: 20px;
}

#filters {
    margin: 20px 0;
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

#filters input, #filters select, #filters button {
    padding: 5px;
    font-size: 14px;
    transition: all 0.3s ease;
}

#filters button {
    background-color: var(--button-background);
    color: white;
    border: none;
    cursor: pointer;
}

#filters button:hover {
    background-color: var(--button-hover);
}

.chart-container {
    width: 100%;
    max-width: 800px;
    margin: 20px auto;
    animation: fadeIn 1s ease-in-out;
}

.table-container {
    margin: 20px 0;
    animation: slideIn 1s ease-in-out;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th, table td {
    padding: 10px;
    border: 1px solid #ddd;
    text-align: left;
}

table th {
    background-color: var(--table-header-background);
}

table tbody tr:nth-child(even) {
    background-color: #f9f9f9;
}

table tbody tr:hover {
    background-color: var(--table-row-hover);
    transition: background-color 0.3s ease;
}

/* New animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

input, select, button {
    border-radius: 5px;
    border: 1px solid #ccc;
}

input:focus, select:focus, button:focus {
    outline: none;
    border-color: var(--header-color);
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
}