body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: #f9f9f9;
    position: relative; /* Ensure body has a stacking context */
}

header {
    background-color: #ffffff;
    text-align: center;
    padding: 20px 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    z-index: 1000; /* Ensure header is above other content */
    width: 100%;
}

.container {
    display: flex;
    flex: 1;
    padding-top: 80px; /* Adjust padding to accommodate header */
    padding-bottom: 60px; /* Add bottom padding for footer and floating buttons */
    position: relative; /* Ensure container has a stacking context */
}

#sidebar {
    width: 175px;
    background-color: #ffffff;
    color: #333;
    padding: 15px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    overflow-y: auto;
    margin-right: 20px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    height: calc(100vh - 60px); /* Adjust height to fit within viewport minus header */
    position: fixed; /* Fix sidebar to the left side */
    top: 180px; /* Offset from the top for header */
    bottom: 260px; /* Offset from the bottom for footer */
    left: 15px;
}

.search-section,
.navigation-section,
.update-notes,
.thanks-notes {
    margin-bottom: 20px;
    background-color: #f0f0f0;
    border-radius: 10px;
    padding: 15px;
}

#search-input {
    width: calc(100% - 20px);
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

#navigation {
    list-style-type: none;
    padding: 0;
}

#navigation li {
    margin-bottom: 10px;
}

#navigation a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    transition: color 0.3s;
}

#navigation a:hover {
    color: #ff6347;
}

.update-notes h2,
.thanks-notes h2 {
    margin-top: 0;
    font-size: 18px;
    color: #333;
    font-weight: bold; /* Make update notes title bold */
}

.update-notes ul,
.thanks-notes p {
    margin: 0;
    padding: 0;
}

.update-notes li {
    margin-bottom: 10px;
    font-size: 14px;
    color: #555;
}


main {
    flex: 1;
    padding: 20px 20px 20px 250px; /* Adjust padding to accommodate fixed sidebar */
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.category-title {
    width: 100%;
    text-align: center;
    margin-bottom: 20px;
    font-size: 24px;
    color: #333;
}

.icon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); /* Increase or decrease this value to adjust minimum width of each icon item */
    gap: 20px; /* Increase or decrease this value to adjust spacing between icons */
    justify-items: center;
    width: 100%; /* Ensure the grid takes full width */
}

.icon-item {
    text-align: center;
    background-color: #ffffff;
    border-radius: 10px;
    padding: 10px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
    position: relative;
    width: 120px; /* Set fixed width for each icon item */
}

.icon-item img {
    width: 100px; /* Set uniform width for all icons */
    height: 100px; /* Set uniform height for all icons */
    object-fit: contain; /* Ensure images are contained within their container */
    border-radius: 5px;
    cursor: pointer;
}

.icon-description {
    margin-top: 10px;
    font-size: 14px;
    color: #555;
    white-space: nowrap; /* Prevent text from wrapping */
    overflow: hidden; /* Hide overflowing text */
    text-overflow: ellipsis; /* Show ellipsis for overflowed text */
}

.copy-button {
    position: absolute;
    top: 15px;
    right: 35px;
    background-color: #ffcccb;
    border: none;
    color: #333;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s;
}

.icon-item:hover .copy-button {
    opacity: 1;
}

footer {
    background-color: #ffffff;
    text-align: center;
    padding: 10px 0;
    margin-top: auto;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.1);
}

/* Dark theme styles */
body.dark-theme {
    background-color: #121212;
    color: #ffffff;
}

body.dark-theme header {
    background-color: #1e1e1e;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

body.dark-theme #sidebar {
    background-color: #1e1e1e;
    color: #ffffff;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.5);
}

body.dark-theme main {
    background-color: #1e1e1e;
    color: #ffffff;
}

body.dark-theme footer {
    background-color: #1e1e1e;
    color: #ffffff;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.5);
}

body.dark-theme .icon-item {
    background-color: #2c2c2c;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

body.dark-theme .search-section,
body.dark-theme .navigation-section,
body.dark-theme .update-notes,
body.dark-theme .thanks-notes {
    background-color: #333;
    color: #ffffff;
}

body.dark-theme #search-input {
    background-color: #444;
    color: #ffffff;
    border-color: #555;
}

body.dark-theme #navigation a {
    color: #ffffff;
    font-weight: bold; /* Make navigation links bold in dark mode */
}

body.dark-theme .update-notes h2,
body.dark-theme .thanks-notes h2 {
    color: #ffffff;
    font-weight: bold; /* Make update notes title bold in dark mode */
}

/* Floating buttons styling */
.floating-buttons {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

#theme-toggle-button,
#scroll-to-top-button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    background-color: #ff6347;
    color: white;
    cursor: pointer;
    transition: background-color 0.3s;
    z-index: 1001; /* Ensure the button is above other content */
    display: flex;
    align-items: center;
    justify-content: center; /* Center text inside the button */
    width: 120px; /* Set uniform width for both buttons */
    font-size: 14px; /* Set uniform font size for both buttons */
}

#theme-toggle-button:hover,
#scroll-to-top-button:hover {
    background-color: #e05244;
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        padding: 20px; /* Adjust padding for smaller screens */
    }
    #sidebar {
        width: 100%;
        margin-bottom: 10px;
        height: auto;
        position: static; /* Remove fixed positioning on small screens */
        margin-right: 0;
    }
    main {
        padding: 20px; /* Reset padding for smaller screens */
    }
}