body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
}

.app-container {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    width: 100%;
}

h1 {
    text-align: center;
    color: #333;
}

.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
    align-items: center;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

button {
    padding: 8px 15px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

button:hover {
    background-color: #45a049;
}

#clear-btn {
    background-color: #f44336;
}

#clear-btn:hover {
    background-color: #d32f2f;
}

#save-btn {
    background-color: #2196F3;
}

#save-btn:hover {
    background-color: #0b7dda;
}

#drawing-canvas {
    border: 1px solid #ddd;
    background-color: white;
    cursor: crosshair;
    width: 100%;
    height: 500px;
    touch-action: none;
}