:root {
    --main-color: black;
    --main-shadow-color: rgba(0, 0, 0, 0.1);
    --hover-bg-color: rgba(0, 0, 0, 0.1);
    --main-bg-color: white;
    --member-card-color: rgba(0, 255, 255, 0.5);
    --sidebar-bg-color: rgba(255, 255, 255, 0.2);
    --sidebar-blur: blur(10px);
}

* {
    margin: 0;
    padding: 0;
}

main {
    padding-top: 3em;
}

body {
    min-height: 100vh;
    color: var(--main-color);
    background: var(--main-bg-color);
    background-image: url(/images/2025-06-18_OUTS_band_2.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: left;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;

}

nav {
    position: fixed;
    color: var(--main-color);
    box-shadow: 3px 3px 5px var(--main-shadow-color);
    width: 100%;
}

nav ul {
    width: 100%;
    list-style: none;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

nav li {
    height: 50px;
}

nav a {
    height: 100%;
    padding: 0 30px;
    text-decoration: none;
    display: flex;
    align-items: center;
    color: var(--main-color);
}

nav a:hover {
    background-color: var(--hover-bg-color);
}

nav li:first-child {
    margin-right: auto;
}

.sidebar {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 250px;
    z-index: 999;
    background-color: var(--sidebar-bg-color);
    backdrop-filter: var(--sidebar-blur);
    box-shadow: -10px 0 10px var(--main-shadow-color);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;

}

.sidebar li {
    width: 100%;
}

.sidebar a {
    width: 100%;
}

.menu-button {
    display: none;
}

@media(max-width: 800px) {
    .hideOnMobile {
        display: none;
    }

    .menu-button {
        display: block;
    }
}

@media(max-width: 400px) {
    .sidebar {
        width: 100%
    }
}