* {
    padding: 0;
    margin: 0;
}

@media (prefers-color-scheme: light) {
    :root {
        --body-background: #e5e5e5;
        --nav-background: #808080;
        --nav-color: #fff;
        --header-backgroud: #363a94;
        --header-color: #ffffff;
        --main-background: #ffffff;
        --main-headings: #b81f24;
        --main-color: #000000;
        --main-link: #302ae6;
        --dark-mode-icon: #ffffff;
        --project-divider: #000;
        --links-background: #b81f24;
    }
}
@media (prefers-color-scheme: dark) {
    :root {
        --body-background: #000000;
        --nav-background: #404040;
        --nav-color: #ccc;
        --header-color: #ccc;
        --header-backgroud: #363a94;
        --main-background: #333;
        --main-color: #ccc;
        --main-link: #9a97f3;
        --dark-mode-icon: #b81f24;
        --project-divider: #fff;
        --links-background: #000000;
    }
}

body {
    background-color: var(--body-background);
}

header {
    background-color: var(--header-backgroud);
    color: #fff;
}

h1, h2, h3 {
    text-align: center;
    font-family: "poppins", sans-serif;
}

h1 {
    font-size: 50px;
    font-weight: 700;
    font-style: normal;
    border-radius: 10px;
}

nav {
    padding-bottom: 10px;
    font-size: 20px;
}

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

nav a:hover {
    text-decoration: underline;
}

main {
    background-color: var(--main-background);
    border-radius: 10px;
    padding: 20px;
    box-sizing: border-box;
    width: auto;
    margin: 10px auto;
    max-width: 900px;
    overflow-x: hidden;
    color: var(--main-color);
    box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
}

.hide {
    display: none !important;
}

.flex-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.around {
    justify-content: space-around;
}

#frame-select img {
    width: 200px;
    cursor: pointer;
}
#frame-select img:hover {
    transform: scale(1.2);
}

#canvas {
    width: 200px;
}

input[type="file"] {
    display: none;
}

.custom-file-upload, button {
    display: inline-block;
    padding: 10px 20px;
    cursor: pointer;
    background-color: var(--header-backgroud);
    color: white;
    border-radius: 8px;
    font-weight: bold;
    transition: background-color 0.3s ease;
    border: 1px solid #fff;
}

.custom-file-upload:hover, button:hover {
    background-color: #fff;
    border: 1px solid var(--header-backgroud);
    color: var(--header-backgroud);
}