/* PARAMETERS */
:root {
    scrollbar-gutter: stable;

    --body-width-max: 400px;
    --body-width-max: 1280px;
    --body-padding: 0px;
    --body-font: 'Arial', sans-serif;
    --body-font-ko: 'Malgun Gothic', 'Nanum Gothic', Arial, sans-serif;

    --print-body-font: 'Arial', sans-serif;
    --print-body-font-ko: 'Malgun Gothic', 'Nanum Gothic', Arial, sans-serif;

    --nav-box-height: 50px;
    --nav-bg-color: #ffffff;
    --nav-border-bottom-thk: 1px;
    --nav-border-bottom-color: #000000;
    --nav-ul-gap: 0px;
    --nav-leftbox-padding: 20px;
    --nav-rightbox-padding: 20px;
    --nav-font-color: #000000;
    --nav-font-color-hover: #000000;
    --nav-font-size: 15px;

    --toggle-padding-right: 20px;
    --toggle-font-size: 24px;
    --toggle-font-color: #000000;

    --dropdown-bg-color: rgb(255, 255, 255);
    --dropdown-position-top: 50px;
    --dropdown-position-right: 0px;
    --dropdown-list-height: 1.8;
    --dropdown-list-padding-right: 20px;
    --dropdown-box-padding-bottom: 10px;

    --main-bg-color: #ffffff;
    --main-padding-top: 65px;
    --main-padding-left: 20px;
    --main-padding-right: 20px;
    --main-padding-bottom: 15px;
    --main-font-size: 15px;
    --main-font-color: #000000;
    --main-font-spacing: 1.5;

    --footer-bg-color: rgb(255, 255, 255);
    --footer-font-color: rgb(0, 0, 0);
    --footer-height: 95px;

    --footer-padding-vertical: 15px;
    --footer-padding-horizontal: 20px;
    --footer-boundary-width: 1px;
    --footer-boundary-color: rgb(0, 0, 0);
    --footer-font-size: 15px;
    --footer-font-spacing: 1.2;
}

/* DEVICE SCREEN */
@media screen {
    body {
        min-width: var(--body-width-min);
        max-width: var(--body-width-max);
        margin: auto;
        padding: var(--body-padding);

        font-family: var(--body-font);
    }

    .ko {
        font-family: var(--body-font-ko);
    }
}

/* PRINT SCREEN */
@media print {
    @page {
        size: A4;
        margin: 15mm;
    }

    nav,
    .menu-toggle,
    .site-footer {
        display: none !important;
    }

    body {
        zoom: 74%;
        font-family: var(--print-body-font) !important;
    }

    .ko {
        font-family: var(--print-body-font-ko) !important;
    }

    main {
        padding: 0 !important;
        margin: 0 !important;
        width: 100% !important;
        box-sizing: border-box;
        background: none !important;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6,
    table,
    img {
        page-break-inside: avoid;
        break-inside: avoid;
    }

    * {
        background: none !important;
        color: black !important;
        text-shadow: none !important;
        box-shadow: none !important;
    }
}


/* NAVIGATION */
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;

    min-width: var(--body-width-min);
    max-width: var(--body-width-max);
    height: var(--nav-box-height);
    position: fixed;
    margin: auto;
    top: 0;
    left: 0;
    right: 0;

    background: var(--nav-bg-color);
    border-bottom: var(--nav-border-bottom-thk) solid var(--nav-border-bottom-color);

    user-select: none;
    -webkit-user-select: none;
    /* Safari */
    -ms-user-select: none;
    /* IE 11 */

    z-index: 9999;
}

.nav-left {
    display: flex;
    list-style: none;
    padding-left: var(--nav-leftbox-padding);
    padding-right: 0px;
    gap: var(--nav-ul-gap);
}

.nav-right {
    display: flex;
    list-style: none;
    padding-left: 0px;
    padding-right: var(--nav-rightbox-padding);
    gap: var(--nav-ul-gap);
}

.nav-left ul,
.nav-right ul {
    list-style: none;
}

.nav-left a,
.nav-right a {
    text-decoration: none;
    color: var(--nav-font-color);
    font-size: var(--nav-font-size);
}

.nav-left a:hover,
.nav-right a:hover {
    text-decoration: underline;
}

.separator {
    cursor: default;
    pointer-events: none;
    user-select: none;
}

/* MENU TOGGLE */
.menu-toggle {
    display: none;
    font-size: var(--toggle-font-size);
    color: var(--toggle-font-color);
    margin-left: auto;
    padding-right: var(--toggle-padding-right);
    cursor: pointer;
}

.nav-dropdown {
    display: none;
}

.nav-dropdown.show {
    display: flex;
    flex-direction: column;
    list-style: none;
    line-height: var(--dropdown-list-height);

    background-color: var(--dropdown-bg-color);
    position: absolute;
    top: var(--dropdown-position-top);
    right: var(--dropdown-position-right);
    width: 100%;
    border-bottom: 1px solid var(--nav-border-bottom-color);
    padding: var(--dropdown-box-padding-bottom) 0px;
    z-index: 999;

    user-select: none;
    -webkit-user-select: none;
    /* Safari */
    -ms-user-select: none;
    /* IE 11 */
}

.nav-dropdown.show li {
    text-align: right;
    padding-right: var(--dropdown-list-padding-right);
    margin: 0px;
}


.nav-dropdown.show li a {
    text-decoration: none;
    color: var(--nav-font-color)
}

.nav-dropdown.show li a:hover {
    text-decoration: underline;
}

@media (max-width: 550px) {
    .nav-right {
        display: none;
    }

    .menu-toggle {
        display: block;
    }
}

@media (min-width: 551px) {
    .nav-dropdown.show {
        display: none;
    }
}

main {
    background-color: var(--main-bg-color);
    padding-top: var(--main-padding-top);
    padding-left: var(--main-padding-left);
    padding-right: var(--main-padding-right);
    padding-bottom: var(--main-padding-bottom);

    overflow-wrap: break-word;
    word-wrap: break-word;
    white-space: normal;

    font-size: var(--main-font-size);
    color: var(--main-font-color);
    line-height: var(--main-font-spacing);
    text-align: left;
}

.site-footer {
    width: 100%;
    height: var(--footer-height);
    max-width: var(--body-width-max);
    margin: auto;

    background-color: var(--footer-bg-color);
    padding: var(--footer-padding-vertical) var(--footer-padding-horizontal);
    border-top: var(--footer-boundary-width) solid var(--footer-boundary-color);
    box-sizing: border-box;

    text-align: left;
    user-select: none;
}

.site-footer p {
    font-size: var(--footer-font-size);
    color: var(--footer-font-color);
    line-height: var(--footer-font-spacing);
}

html {
    overflow-y: scroll;
}