@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600&display=swap');

body {
    font-family: 'Open Sans', sans-serif;
    background-color: #f9f9f9;
    margin: 0;
    padding: 0;
}

header {
    background-color: #007bff;
    color: #fff;
    padding: 15px 20px;
    text-align: center;
    border-radius: 4px;
    margin-bottom: 20px;
}

    header .logo-container img {
        max-height: 60px;
        margin-bottom: 10px;
    }

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    padding: 20px;
}

.tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

    .tabs button {
        padding: 10px 20px;
        margin: 0 5px;
        border: none;
        border-radius: 4px;
        background-color: #ddd;
        cursor: pointer;
        transition: background-color 0.3s;
    }

        .tabs button:hover {
            background-color: #ccc;
        }

        .tabs button.active {
            background-color: #007bff;
            color: #fff;
        }

.tab-content {
    display: none;
}

    .tab-content.active {
        display: block;
    }

.context-table {
    width: 80%;
    margin: 0 auto 20px auto;
    border-collapse: collapse;
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

    .context-table th,
    .context-table td {
        padding: 8px 12px;
        border: 1px solid #ddd;
        text-align: center;
    }

    .context-table th {
        background-color: #f5f5f5;
        font-weight: 600;
    }

.graph-container {
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 20px;
    padding: 15px;
    background-color: #fff;
}

.controls {
    text-align: center;
    margin-bottom: 10px;
}

    .controls label {
        font-size: 14px;
        margin: 0 5px;
        color: #333;
    }

    .controls select {
        font-size: 14px;
        padding: 4px 6px;
        border: 1px solid #ccc;
        border-radius: 4px;
    }

svg {
    background-color: #fafafa;
    border-radius: 5px;
}

.tooltip {
    position: absolute;
    text-align: center;
    padding: 6px;
    font: 12px sans-serif;
    background-color: lightsteelblue;
    border: none;
    border-radius: 8px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
}

#heatmap {
    width: 100%;
    height: 900px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background-color: #fafafa;
}


footer {
    text-align: center;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid #ddd;
    font-size: 12px;
    color: #777;
}
footer img {
    max-width: 80px; 
    height: auto;
    margin: 0 5px;
}