body {
    background-color: #121212;
    color: #ffffff;
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
    overflow: hidden;
}

body.light-mode {
    background-color: #ffffff;
    color: #000000;
}

/* Theme toggle button */
.theme-toggle {
    position: absolute;
    top: 10px;
    right: 10px;
}

.theme-toggle button {
    background-color: transparent;
    border: none;
    cursor: pointer;
    font-size: 1.5em;
}

.theme-toggle button i {
    color: #ffffff;
}

body.light-mode .theme-toggle button i {
    color: #000000;
}

/* Password form */
body.light-mode #password-form {
    background-color: #fff;
    border: 1px solid #000000;
}

#overlay {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
    box-sizing: border-box;
    width: 100%;
}

#password-form {
    background: #1e1e1e;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 500px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

#password-form label {
    display: block;
    margin-bottom: 15px;
    font-size: 18px;
    font-family: Arial, sans-serif;
}

#password-form input[type="password"],
#password-form button {
    width: 100%;
    padding: 15px;
    margin-bottom: 25px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 18px;
    box-sizing: border-box;
}

#password-form button {
    background: #007bff;
    color: #fff;
    border: none;
    cursor: pointer;
}

#password-form button:hover {
    background: #0056b3;
}