main-style.css

body {
    margin: 0;
    padding: 0;
    font-family: 'Lato', sans-serif;
    background: var(--bg-color, url('BGs/light_bg.jpg')) no-repeat center center fixed;
    background-size: cover;
    color: var(--text-color, #000);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    flex-direction: column;
}

body.dark-mode {
    --bg-color: url('BGs/dark_bg.png');
    --text-color: #fff;
    --wrapper-bg-color: rgba(30, 30, 30, 0.35);
}

body.dark-mode nav ul li a:hover {
    background: rgba(255, 255, 255, 0.8); /* Darker background for hover in dark mode */
    color: black; /* Ensure the text remains white for contrast */
}

#theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    cursor: pointer;
    font-size: 24px;
    color: var(--text-color, #000);
    transition: color 0.3s;
}

#wrapper {
    text-align: center;
    padding: 20px;
    border-radius: 10px;
    margin: 20px;
    max-width: 800px;
    background-color: rgba(255, 255, 255, 0.85);
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s;
}

body.dark-mode #wrapper {
    background-color: var(--wrapper-bg-color);
}

header h1, header h2, header h3, header h4, header h3 a,
nav ul, nav ul li, nav ul li a {
    margin: 0;
    padding: 5px;
}

header h3 a {
    color: inherit;
    text-decoration: none;
}

header h3 a:hover {
    text-decoration: underline;
}

nav ul {
    list-style-type: none;
    padding: 0;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav ul li {
    margin: 10px;
}

nav ul li a {
    text-decoration: none;
    color: inherit;
    padding: 10px 20px;
    border-radius: 10px;
    border: 1px solid black;
    transition: background 0.3s, color 0.3s;
    font-size: 18px;
    display: inline-block;
    min-width: 150px;
    text-align: center;
}

body.dark-mode nav ul li a {
    border: 1px solid white; /* White border in dark mode */
}

nav ul li a:hover {
    background: rgba(0, 0, 0, 0.1);
}

.icons {
    padding: 0;
    margin: 20px 0;
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.icons li {
    display: inline-block;
}

.icons a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
    color: inherit;
    transition: background 0.3s, color 0.3s;
    text-decoration: none;
}

.icons a:hover {
    background: #f39c12;
    color: #fff;
}

.separator {
    width: 60%;
    border-top: 2px solid black; /* Default black for light mode */
    margin: 20px auto;
}

body.dark-mode .separator {
    border-top: 2px solid white; /* White for dark mode */
}

.update-box {
    display: none;
    background: rgba(255, 255, 255, 0.5);
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 10px;
    margin: 20px 0;
    text-align: center;
}

.update-box h2 {
    margin-top: 0;
}

.update-container h2 {
    margin-top: 0;
    text-align: center;
}

.update-box a {
    color: #000;
}

.update-box a:hover {
    text-decoration: underline;
}

body.dark-mode .update-box a {
    color: #fff;
}

body.dark-mode .update-box a:hover {
    text-decoration: underline;
}

footer {
    margin-top: 20px;
    text-align: center;
}

.ai-google-scholar {
    font-size: 1.5rem;
}