/* I want to create a simple style for the website. I want to use semantic html selectors as much as possible. I will use a dark mode and a light mode.
The theme should be modern and make us of the latest CSS features like grid and flexbox. I will use a mobile first approach. */
body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: var(--font-family);
    font-size: var(--font-size);
    line-height: var(--line-height);
    margin: 0;
    padding: 0;
}

header {
    background-color: var(--header-background-color);
    color: var(--header-text-color);
    padding: 1rem;
}

header h1 {
    font-size: 2rem;
    margin: 0;
}

header p {
    font-size: 1rem;
    margin: 0;
}

nav {
    background-color: var(--nav-background-color);
    color: var(--nav-text-color);
    padding: 1rem;
}

menu {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    list-style-type: none;
    margin: 0;
    padding: 0;
}

menu ul {
    display: flex;
    flex-direction: row;
    list-style-type: none;
    margin: 0;
    padding: 0;
}

menu ul:hover {
    background-color: var(--nav-background-color);
}

menu li {
    margin: 0;
    padding: 0;
}

menu li a {
    color: var(--nav-text-color);
    text-decoration: none;
}

menu li a:hover {
    color: var(--nav-text-color-hover);
}

main {
    padding: 1rem;
}

footer {
    background-color: var(--footer-background-color);
    color: var(--footer-text-color);
    padding: 1rem;
}

footer p {
    margin: 0;
}

/* Dark mode */

body[data-theme="dark"] {
    --background-color: #000000;
    --text-color: #ffffff;
    --font-family: "Roboto", sans-serif;
    --font-size: 1rem;
    --line-height: 1.5rem;
    --header-background-color: #000000;
    --header-text-color: #ffffff;
    --nav-background-color: #000000;
    --nav-text-color: #ffffff;
    --nav-text-color-hover: #ff0000;
    --footer-background-color: #000000;
    --footer-text-color: #ffffff;
}


/* Light mode */

body[data-theme="light"] {
    --background-color: #ffffff;
    --text-color: #000000;
    --font-family: "Roboto", sans-serif;
    --font-size: 1rem;
    --line-height: 1.5rem;
    --header-background-color: #ffffff;
    --header-text-color: #000000;
    --nav-background-color: #ffffff;
    --nav-text-color: #000000;
    --nav-text-color-hover: #ff0000;
    --footer-background-color: #ffffff;
    --footer-text-color: #000000;
}