body {
    font-family: sans-serif;
    margin: 0;
    display: flex;
    flex-direction: column;
    height: 100vh;
}

header, footer {
    background-color: #333;
    color: white;
    padding: 1rem;
    text-align: center;
}

main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.toolbar, .properties-panel {
    width: 200px;
    background-color: #f4f4f4;
    padding: 1rem;
    overflow-y: auto;
}

#component-buttons button, #simulate-button {
    display: block;
    width: 100%;
    padding: 10px;
    margin-bottom: 5px;
    text-align: left;
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#component-buttons button:hover, #simulate-button:hover {
    background-color: #eee;
}

#component-buttons button i {
    margin-right: 10px;
}

#simulate-button {
    background-color: #4CAF50; /* Green */
    color: white;
    text-align: center;
}

.canvas-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #e9e9e9;
}

canvas {
    border: 1px solid #ccc;
    background-color: white;
}