body {
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    margin: 0;
    background-color: #f0f0f0;
    height: 100vh;
    overflow: hidden;
}

h1 {
    margin: 5px;
    text-align: center;
}

#app {
    display: flex;
    flex-direction: row;
    gap: 15px;
    width: 100%;
    padding: 0 10px 10px 10px;
    box-sizing: border-box;
    flex-grow: 1;
    min-height: 0;
}

#controls {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 15px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.control-group {
    border: 1px solid #ccc;
    padding: 8px;
    border-radius: 4px;
}

.control-group h3 {
    margin-top: 0;
    margin-bottom: 5px;
    font-size: 1em;
}

label {
    display: inline-block;
    width: 50px;
    font-size: 0.9em;
}

input[type="number"] {
    width: 60px;
}

button {
    display: block;
    width: 100%;
    margin-top: 5px;
}

#canvas-container {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background-color: #e0e0e0;
    border-radius: 8px;
}

canvas {
    border: 1px solid #000;
    background-color: #fff;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}