body {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: Arial, sans-serif;
    background-color: #f4f7f6;
    margin: 0;
    padding: 0;
    height: 100vh;
    background-color: rgb(220, 245, 245);
}

h1,h3 {
    text-align: center;
    margin: 10px;
    font-size: 2.5rem;
    color: #970202;
}

.controls {
    display: flex;
    flex-direction: row; /* Arrange buttons horizontally */
    justify-content: center; /* Center the buttons */
    gap: 10px; /* Space between buttons */
    margin: 10px;
}

textarea {
    width: 150px;
    height: 2rem; /* Adjust height as needed */
    padding: 10px;
    font-size: 1.2rem;
    resize: none; /* Disable resizing */
    border-radius: 5px;
    border: 1px solid #ccc;
}

button {
    padding: 10px 10px; /* Adjust padding for better fit */
    font-size: 1rem; /* Adjusted font size */
    cursor: pointer;
    border: none;
    background-color: #007BFF;
    color: #fff;
    border-radius: 5px;
    transition: background-color 0.3s;
    min-width: 120px; /* Minimum width for buttons */
    text-align: center; /* Center text in button */
    white-space: pre-wrap; /* Preserve whitespace for line breaks */
}


button:hover {
    background-color: #0056b3;
}

.container {
    display: flex;
    justify-content: space-around; /* Space evenly between canvas elements */
    width: 90%; /* Allow some margin on sides */
    max-width: 800px; /* Max width to keep it within viewport */
    margin-top: 10px;
}

.visualizer {
    width: 45%; /* Each visualizer takes up 45% of the container */
    text-align: center;
}

canvas {
    background-color: #f8d7c4;
    border: 2px solid #000;
    border-radius: 10px;
}

#stackCanvas, #queueCanvas {
    height: 380px;
    width: 200px;
}

#toast {
    visibility: hidden;
    min-width: 250px;
    margin-top: 20px;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 5px;
    padding: 16px;
    position: fixed;
    z-index: 1;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 17px;
}

#toast.show {
    visibility: visible;
    animation: fadein 0.5s, fadeout 0.5s 2.5s;
}

@keyframes fadein {
    from {bottom: 0; opacity: 0;}
    to {bottom: 30px; opacity: 1;}
}

@keyframes fadeout {
    from {bottom: 30px; opacity: 1;}
    to {bottom: 0; opacity: 0;}
}