@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@500&display=swap');

:root {
    --background-dark: #1c1c24;
    --background-light: #e1ebfb;
    --text-light: #FAFAFA;
    --text-dark: #252525;
    --transition-speed: 0.6s;
}

body {
    font-family: 'Nunito', sans-serif;
    font-size: 12px;
    line-height: 1.6;
    text-anchor: middle;
    background-color: var(--background-dark);
    fill: var(--text-light);
    color: var(--text-light);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
   
}

body.dark-mode {
    background-color: var(--background-light);
    fill: var(--text-dark);
    color: var(--text-dark);
}

.dark-mode-transition {
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

.dark-mode-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    cursor: pointer;
    font-size: 1.2rem;
}

svg {
    display: block;
}

circle {
    fill: #444;
    stroke: #333;
    stroke-width: 2px;
    cursor: pointer;
    transition: stroke 0.3s ease;
}

circle:hover {
    stroke: #00ffcc;
}

line {
    stroke: #555;
    stroke-width: 2px;
}



.tooltip {
    position: absolute;
    background-color: #333;
    color: #eee;
    padding: 5px;
    border-radius: 5px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.toolbar {
    position: fixed;
    top: 20px;
    left: 20px;
    cursor: pointer;
    
    
}