style.css

body {
    font-family: 'Dosis', sans-serif;
    background-color: #f4f4f9;
    color: #333;
    margin: 0;
    padding: 20px;
}

header {
    background-color: #005f73;
    color: #fff;
    padding: 10px 20px;
    text-align: center;
}

header h2 {
    margin: 0;
}

main {
    margin-top: 20px;
}

label, select, input[type="text"], input[type="datetime-local"] {
    display: block;
    margin: 10px 0;
    font-size: 16px;
}

select, input[type="text"], input[type="datetime-local"] {
    width: 100%;
    padding: 8px;
    border: 2px solid #ddd;
    border-radius: 4px;
}

#dataSource {
    display: flex;
    flex-direction: row;
}

#databaseElements,
#deviceElements {
    flex-grow: 1; /* Allow both children to grow equally */
    flex-basis: 0; /* Make sure the width is distributed proportionally */
    min-width: 200px; /* Set a minimum width for responsiveness */
}

#retrieve {
    width: 220px;
    height: 100px;
    background-color: #00b4d8;
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    margin-top: 10px;
    border-radius: 7px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-size: 30px;
}

#retrieve:hover {
    background-color: #0077b6;
}

#dataOptions {
    display: flex;
    gap: 20px;
}

/* For the collapse button */
.collapse-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    text-align: center;
    margin: 10px 0;
    padding: 5px;
    display: block; /* Ensure it spans the full width for better click target */
}

/* Adjusted layout for module options */
.moduleDataOptions {
    display: flex; /* Use flexbox to arrange children horizontally */
    gap: 20px; /* Add space between the children */
    margin-bottom: 10px; /* Add space below the options for visual clarity */
}

.sensorsContainer, 
.readingsContainer {
    flex: 1; /* Make each container take up equal space */
    display: flex; /* Optional: Flexbox within each container if you want finer control */
    flex-direction: column; /* Keep label and select in vertical alignment */
}

.moduleBottomOptions {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background-color: #f4f4f4;
    margin-top: 10px;
    display: none; /* Initially hidden */
}

.plot {
    height: 300px;
    background-color: #fff;
    border: 1px solid #ccc;
    margin-top: 10px; /* Spacing between the top options and the plot */
}

/* Maintain flexbox styling for module layout */
#modulesContainer {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    gap: 20px;
}

.soundModule {
    background-color: #e0e0e0;
    padding: 12px;
    border-radius: 8px;
    flex: 1 1 45%;
    box-sizing: border-box;
}

.moduleOptions {
    display: flex;
    justify-content: space-between;
}

.moduleOptions > * {
    flex-grow: 1; /* Allow children to grow and fill the available space */
    margin: 0 10px; /* Optional: Add some margin between the children */
}

#play {
    width: 60px;
    height: 60px;
    background-image: url('images/play.png'); /* Use relative path */
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    border: none;
    cursor: pointer;
    padding: 0;
}

#stop {
    width: 60px;
    height: 60px;
    background-image: url('images/stop-button.png'); /* Use relative path */
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    border: none;
    cursor: pointer;
    padding: 0;
}

#play:hover, #stop:hover {
    filter: brightness(0.8);
}

#playbackContainer {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 30px;
}

#bpmText {
    font-size: 20px; /* Adjust the font size as needed */
    font-weight: bold; /* Optional: make the text bold */
}

#bpmLabel {
    font-size: 20px; /* Adjust the font size as needed */
    font-weight: bold; /* Optional: make the text bold */
}