:root {
    --primary-color: #000080;
    --secondary-color: #0078d7;
    --text-color: #000000;
    --background-color: #CCCCCC;
    --link-color: #FFFFFF;
    --link-hover-color: #0000CC;
    --border-color: #808080;
    --container-bg-color: #FFFFFF;
    --header-gradient-start: #EFEFEF;
    --header-gradient-end: #CCCCCC;
    --button-bg: #EFEFEF;
    --button-border: #999999;
    --error-color: #FF0000;
}

html {
    background-color: var(--background-color);
    background-image: url('../assets/background.png');
}
body {
    background-color: var(--background-color);
    background-image: url('../assets/background.png');
    color: var(--text-color);
    font-family: Verdana, Arial, sans-serif;
    margin: 10px;
    overscroll-behavior: none;
}

html {
    text-size-adjust: 100%;
}

.container {
    display: flex;
    justify-content: center;
}

.main-table {
    border: 2px outset var(--border-color);
    width: 780px;
    background-color: var(--container-bg-color);
}

.header {
    background: linear-gradient(to bottom, var(--header-gradient-start), var(--header-gradient-end));
    padding: 10px;
}

.content {
    padding: 10px;
    line-height: 1.3;
}

.nav-bar {
    background-color: var(--primary-color);
    color: var(--link-color);
}

.nav-bar a {
    color: var(--link-color);
    text-decoration: none;
    font-weight: bold;
    padding: 2px 5px;
}

.nav-bar a:hover {
    background-color: var(--link-hover-color);
}

.blinking-text {
    animation: blinker 1s linear infinite;
}

@keyframes blinker {
    50% {
        opacity: 0;
    }
}

.download-button {
    padding: 10px;
    background-color: var(--button-bg);
    border: 2px outset var(--button-border);
}

hr {
    border: 1px solid var(--border-color);
    height: 1px;
}

.footer {
    text-align: center;
    font-size: 1em;
    padding: 5px;
}

body.downloading {
    cursor: wait;
}

body.downloading * {
    user-select: none !important;
}

.no-select {
    user-select: none;
}

.skip-to-content {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip-to-content:focus {
    position: fixed;
    top: 0;
    left: 0;
    width: auto;
    height: auto;
    padding: 10px;
    background: #fff;
    z-index: 9999;
    color: var(--primary-color);
    font-weight: bold;
}

@media only screen and (max-width: 600px) {
    .main-table {
        width: 100%;
        margin: 0;
    }
    .header, .content, .footer {
        padding: 5px;
    }
    .nav-bar {
        font-size: 0.8em;
    }
    
    body::after{
        content: "This experience is not optimized for mobile devices. Please use a desktop browser for the best experience.";
        display: block;
        background-color: rgba(0, 0, 0, 0.8);
        color: var(--link-color);
        text-align: center;
        z-index: 1000;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        font-size: 1.2em;
        height: 100vh;
        width: 100vw;
        overflow: hidden;
        display: flex;
        justify-content: center;
        align-items: center;

    }
}