body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: var(--background-color, #f5f5f5);
    color: var(--text-color, #2a2626);
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
    transition: background-color 0.7s, color 0.7s; /* Smooth transition for dark mode */
}

:root {
    --background-color: #f5f5f5;
    --text-color: #242222;
    --hover-color: #e2e2e2;
    --clicked-color: #cccccc;
}

[data-theme="dark"] {
    --background-color: #242222;
    --text-color: #fff;
    --hover-color: #333;
    --clicked-color: #444;
}

.container {
    width: 100%;
    max-width: 800px;
    margin: auto;
    padding: 20px;
    background: var(--background-color);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
}

.url-input {
    width: calc(100% - 22px); /* Adjust input width to fit container */
    padding: 10px;
    margin-top: 20px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

.generate-btn {
    display: inline-block;
    padding: 10px 20px;
    margin-top: 10px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.results {
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); /* Creates a responsive grid */
    gap: 10px; /* Space between grid items */
}

.result-item {
    padding: 10px;
    background-color: var(--background-color);
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: background-color 0.3s ease; /* Animation effect for hover */
    cursor: pointer; /* Change cursor on hover */
    position: relative; /* Needed for positioning the click status indicator */
}

.result-item:hover {
    background-color: var(--hover-color); /* Darker shade on hover */
}

.result-item.clicked {
    background-color: var(--clicked-color); /* Gray background for clicked items */
}

/* Optional: Style for the click status indicator */
.result-item::after {
    content: attr(data-clicked); /* Use the data-clicked attribute as content */
    display: none; /* Hide by default */
    position: absolute;
    top: 5px;
    right: 5px;
    background-color: #f0f0f0;
    color: #333;
    font-size: 12px;
    padding: 2px 5px;
    border-radius: 3px;
}

.result-item:hover::after {
    display: block; /* Show on hover */
}

.copy-feedback {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #232020;
    color: #fff;
    padding: 10px;
    border-radius: 5px;
    z-index: 1000;
}
.dark-mode-toggle {
    text-align: center;
    margin-bottom: 20px;
}

/* Toggle Button styles adjusted for dynamic theme changes */
#toggleDarkMode {
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Default light theme button style (shown in dark mode) */
.light-theme-button {
    background-color: #f8f9fa; /* Light gray for dark mode visibility */
    color: #212529; /* Dark text for contrast */
}

/* Dark theme button style (shown in light mode) */
.dark-theme-button {
    background-color: #343a40; /* Dark gray for light mode visibility */
    color: white; /* Light text for contrast */
}

#toggleDarkMode:hover {
    opacity: 0.8;
}