:root {
    --color: #EEEEEE;
    --sub-color: #CCCCCC;
    --accent-color: #265095;
    --accent-hover: #1a3d70;
    --box-default: #555555;
    --box-click: #3a7bd5;
    --chart-background: #1e1e1e;
    font-family: "raleway", "sans-serif";
    background-color: #121212;
}

body {
    text-align: center;
    color: var(--color);
    margin: 0;
    padding: 15px;
}

h1 {
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 1.4rem; 
}

p {
    color: var(--sub-color);
    padding: 0 10px;
    font-size: 0.8rem; 
}

b {
    color: var(--color);
}

#box {
    margin: 20px auto;
    width: 95%;
    max-width: 600px;
    height: 400px; 
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.5rem; 
    font-weight: bold;
    background-color: var(--box-default);
    color: white;
    transition: background-color 0.3s, transform 0.2s;
}

#box:active {
    transform: scale(0.98);
}

#chart-container {
    display: flex;
    flex-direction: column; 
    justify-content: center;
    gap: 15px;
    margin: 30px auto;
    max-width: 1200px;
}

.chart-wrapper {
    flex: 1 1 100%;
    max-width: 100%;
    background-color: var(--chart-background);
    padding: 15px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

#share-container {
    margin-top: 40px;
    text-align: left;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 15px;
}

#share-container ul {
    text-align: left;
    padding-left: 20px;
    margin-bottom: 15px;
}

#copy-button {
    width: 100%;
    background-color: var(--accent-color);
    color: white;
    padding: 12px 25px;
    border: none;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s, transform 0.1s;
}

#copy-button:hover {
    background-color: var(--accent-hover);
    transform: scale(1.05);
}

#copy-button:active {
    transform: scale(0.95);
}

@media (min-width: 1000px) {
    body {
        padding: 20px;
    }

    h1 {
        font-size: 2.5rem;
    }

    p {
        padding: 0;
    }

    #box {
        height: 200px;
        font-size: 1.5rem;
    }

    #chart-container {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 20px;
    }

    .chart-wrapper {
        flex: 1 1 300px;
        max-width: 500px;
    }

    #share-container {
        padding: 0;
    }

    #copy-button {
        width: auto;
    }
}