/** Fifty shades of Tux
 * A black, white and yellow css for kernel.org based on normalize.css
 * MIT License
 * Benoît Monin [benoit.monin gmx.fr]
 */

@import "normalize.css";

/**
 * To use Google-hosted versions, use the following instead of @font-face
 * definitions below.
 *
 * @import "https://fonts.googleapis.com/css?family=Oxygen";
 * @import "https://fonts.googleapis.com/css?family=Oswald:400";
 *
 * We use locally-stored copies to avoid slowdowns in places like mainland
 * China, where all access to Google is really slow.
 */
@font-face {
    font-family: 'oswald';
    src: url('../fonts/oswald-regular-webfont.eot');
    src: url('../fonts/oswald-regular-webfont.eot?#iefix') format('embedded-opentype'),
         url('../fonts/oswald-regular-webfont.woff2') format('woff2'),
         url('../fonts/oswald-regular-webfont.woff') format('woff'),
         url('../fonts/oswald-regular-webfont.ttf') format('truetype'),
         url('../fonts/oswald-regular-webfont.svg#oswaldregular') format('svg');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'oxygen';
    src: url('../fonts/oxygen-regular-webfont.eot');
    src: url('../fonts/oxygen-regular-webfont.eot?#iefix') format('embedded-opentype'),
         url('../fonts/oxygen-regular-webfont.woff2') format('woff2'),
         url('../fonts/oxygen-regular-webfont.woff') format('woff'),
         url('../fonts/oxygen-regular-webfont.ttf') format('truetype'),
         url('../fonts/oxygen-regular-webfont.svg#oxygenregular') format('svg');
    font-weight: normal;
    font-style: normal;
}

body {
    font-family: oxygen,sans-serif;
    background: #F0EDE3;
    color: #33290A;
}

#banner {
    text-align: center;
    background: #FFFFFF;
    margin: 0em auto;
    padding: 1em;
    width: 50em;
    border: thin solid;
    border-color: #DDDACF #CCC8B8 #BBB59F;
    box-shadow: 0 0.1em 0.3em #CCC8B8;
    border-bottom-right-radius: 0.5em;
    border-bottom-left-radius: 0.5em;
}
#tux-gear {
    width: 6.5em;
    height: 7.5em;
    background-image: url('../images/logos/tux.png');
    background-position: center center;
    background-repeat: no-repeat;
    background-size: contain;
    float: right;
}
#banner h1 {
    margin: 28px 0 47px .05em;
    text-shadow: 3px 3px 0 #F8F4EE;
    font-size: 3em;
}
#banner h1 > a {
    color: #2C1D00;
    transition: none;
}
#banner ul {
    padding: 0;
    margin: 0;
    font-size: 1.1em;
    font-weight: bold;
    list-style: none;
}
#banner li {
    display: inline;
    padding: 0 1em;
}
#banner li > a {
    color: #B39223;
    white-space: nowrap;
    font-size: 90%;
}
#banner li > a:hover,
#banner li > a:active {
        color: #4C3D00;
}

h1, h2, h3, h4, h5, h6 {
    font-family: oswald,helvetica,sans-serif;
    line-height: 1.3;
}

a {
    color: #3357D6;
    text-decoration: none;
    transition: color 0.25s;
}

a:visited {
    color: #865796;
    text-decoration: none;
}

a:hover,
a:active {
    color: #B39223;
    text-decoration: none;
}

abbr[title] {
    border: none;
}

hr {
    border: none;
}

#protocols {
    float: left;
    width: 25em;
    margin: 1.3em 0 4em 2em;
}
#protocols th {
    text-align: left;
}

#latest {
    float: right;
    background: #FFD133;
    box-shadow: -0.1em -0.3em 0.5em #B39223 inset;
    color: #4C3D00;
    border-radius: 0.5em;
    margin: 1em 2.2em 4em 0;
}
#latest td {
    text-align: right;
    vertical-align: top;
}
#latest_label {
    font-size: 1.25em;
    padding: 0.75em 1.25em .3em 0;
}
#latest_button {
    padding: 0 0 0.75em 0;
}
#latest_button > a {
    display: block;
}
#latest_button img {
    vertical-align: middle;
    padding-right: 1.25em;
    opacity: 0.7;
    filter: alpha(opacity=70);
}
#latest_link {
    font-size: 2.75em;
    font-weight: bold;
    padding: .35em 0.25em 0 0.5em;
    min-width: 2em;
}
#latest_link > a {
    color: #4C3D00;
    display: block;
    text-align: right;
}

#releases {
    clear:both;
    width: 100%;
    margin-bottom: 0.25em;
}
#releases tr:nth-child(2n+1) {
    background-color: #F7F6F1;
}

.post-info {
    float: right;
    text-align: center;
    background: #F0EDE3;
    color: #827A5E;
    border: thin solid #CCC8B8;
    box-shadow: 0 0.1em 0.2em #CCC8B8 inset;
    border-radius: 0.5em;
    padding: 0.5em 1em;
    margin: 0 0 1em 1em;
    font-size: 80%;
}
.post-info p {
    margin: 0.25em 0 0;
}
#featured .post-info {
    margin-top: 1.25em;
}

.literal-block {
    background: #f3f3f3;
    border: thin solid #ccc;
    border-radius: 0.3em;
    padding: 0.5em;
    font-size: 90%;
}

#featured,
#content {
    background: #FFFFFF;
    margin: 1.5em auto;
    padding: 1.85em 1em;
    width: 50em;
    border: thin solid;
    border-color: #DDDACF #CCC8B8 #BBB59F;
    box-shadow: 0 0.1em 0.3em #CCC8B8;
    border-radius: 0.5em;
}

article h1 {
    color: #33290A;
    margin: 0 0 .9em 0;
}
article h1 > a {
    color: #33290A !important;
    transition: none;
}

table.docutils {
    margin: 0 auto;
    width: 80%;
}
table.docutils > caption {
    margin: 0.5em 0;
    text-align: left;
    font-weight: bold;
}

a.readmore {
    font-style: italic;
    color: #6A84E0;
}
a.readmore:hover,
a.readmore:active {
    color: #B39F5C;
}

#content > h1 {
    text-align: center;
    margin: 0 0 1em;
}

.paginator {
    text-align: center;
    color: #9e9678;
    margin: 0;
}

#posts-list {
    list-style: none;
    padding: 0;
}
#posts-list > li {
    border-bottom: medium dotted #F0EDE3;
    padding-bottom: 1em;
    margin-top: 1em;
}
#posts-list > li:last-child {
    border: none;
}

#extras {
    margin: 1.5em auto;
    width: 52em;
}
#extras > div {
    background: #FFFFFF;
    border: thin solid;
    border-color: #DDDACF #CCC8B8 #BBB59F;
    box-shadow: 0 0.1em 0.3em #CCC8B8;
    border-radius: 0.5em;
    height: 8.5em;
}
#extras > .blogroll {
    float: left;
    width: 34em;
    padding: .5em 1em 0 1em;
}
#extras > .blogroll li {
    width: 33%;
    float: left;
}
#extras > .social {
    float: right;
    width: 12em;
    padding: .5em 1em 0 1em;
}
#extras h2 {
    margin: 0.5em 0 1em 0;
}
#extras ul {
    list-style: none;
    padding: 0;
}

#contentinfo {
    clear: both;
    text-align: center;
    color: #827A5E;
    margin: 2em auto;
    padding-top: 3.5em;
    width: 53em;
}
#about {
    font-size: 80%;
}
#donors {
    margin-top: 1.5em;
}
#donors img {
    vertical-align: middle;
    margin: 0 0.5em;
}
img.align-left {
    float: left;
    padding: 0 1em 0 0;
}
dt {
    font-weight: bold;
}

#logo-akamai {
    padding-bottom: 22px;
}

/* Mobile nav — hidden by default (desktop) */
.mobile-nav-checkbox { display: none; }
#mobile-banner { display: none; }
#mobile-drawer { display: none; }
.nav-overlay { display: none; }

@media screen and (max-width: 848px) {
    /* Hide desktop banner, show mobile */
    #banner { display: none; }
    #mobile-banner {
        display: flex;
        align-items: center;
        position: sticky;
        top: 0;
        z-index: 1000;
        background: #FFFFFF;
        padding: 0.5em 1em;
        border-bottom: thin solid #CCC8B8;
        box-shadow: 0 0.1em 0.3em #CCC8B8;
    }
    #mobile-tux-gear {
        width: 2.5em;
        height: 3em;
        background-image: url('../images/logos/tux.png');
        background-position: center;
        background-repeat: no-repeat;
        background-size: contain;
        flex-shrink: 0;
    }
    #mobile-banner h1 {
        flex: 1;
        margin: 0 0.5em;
        font-size: 1.4em;
        text-shadow: 2px 2px 0 #F8F4EE;
    }
    #mobile-banner h1 > a {
        color: #2C1D00;
        transition: none;
    }
    .hamburger-btn {
        cursor: pointer;
        flex-shrink: 0;
        padding: 0.25em;
    }
    .hamburger-btn svg {
        display: block;
    }

    /* Mobile drawer */
    #mobile-drawer {
        display: block;
        position: fixed;
        top: 0;
        right: 0;
        width: 200px;
        max-width: 75vw;
        height: 100%;
        background: #FFFFFF;
        z-index: 1002;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        overflow-y: auto;
        box-shadow: -2px 0 8px rgba(0,0,0,0.2);
    }
    #mobile-drawer ul {
        list-style: none;
        padding: 1em;
        margin: 0;
    }
    #mobile-drawer li {
        padding: 0.75em 0;
        border-bottom: thin solid #F0EDE3;
    }
    #mobile-drawer li:last-child {
        border-bottom: none;
    }
    #mobile-drawer li > a {
        font-family: oswald, helvetica, sans-serif;
        font-size: 1.1em;
        color: #B39223;
    }
    #mobile-drawer li > a:hover,
    #mobile-drawer li > a:active {
        color: #4C3D00;
    }
    #drawer-tux {
        width: 4em;
        height: 5em;
        margin: 1.5em auto 1em;
        background-image: url('../images/logos/tux.png');
        background-position: center;
        background-repeat: no-repeat;
        background-size: contain;
    }
    .close-btn {
        display: block;
        cursor: pointer;
        text-align: right;
        padding: 1em;
    }
    .close-btn svg {
        display: inline-block;
    }

    /* Overlay */
    .nav-overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 1001;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.6s ease, visibility 0.6s ease;
    }

    /* Checkbox checked states */
    #mobile-nav-toggle:checked ~ #mobile-drawer {
        transform: translateX(0);
    }
    #mobile-nav-toggle:checked ~ .nav-overlay {
        opacity: 1;
        visibility: visible;
    }

    /* Main content */
    #featured,
    #content {
        width: auto;
        margin: 1em;
        padding: 1em;
    }

    /* Releases table */
    #protocols {
        float: none;
        width: auto;
        margin: 1em 0;
    }
    #latest {
        float: none;
        margin: 1em 0;
    }
    #releases {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Code blocks — override normalize's pre-wrap */
    pre,
    .literal-block {
        white-space: pre;
        overflow-x: auto;
    }

    /* Tables */
    table.docutils {
        width: 100%;
    }

    /* Extras section */
    #extras {
        width: auto;
        margin: 1em;
        display: flex;
        flex-wrap: wrap;
        gap: 1em;
    }
    #extras > div {
        height: auto;
    }
    #extras > .blogroll {
        float: none;
        width: 100%;
        padding: 0.5em 1em;
        box-sizing: border-box;
    }
    #extras > .blogroll ul {
        display: flex;
        flex-wrap: wrap;
        gap: 0.25em 1em;
    }
    #extras > .blogroll li {
        width: auto;
        float: none;
        flex: 1 1 30%;
    }
    #extras > .social {
        float: none;
        width: 100%;
        padding: 0.5em 1em;
        box-sizing: border-box;
    }
    #extras > .social ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 0.5em;
    }
    #extras > .social li {
        flex: 1 1 30%;
    }

    /* Footer */
    #contentinfo {
        width: auto;
        margin: 1em;
        padding-top: 2em;
    }
    #donors {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        gap: 1em;
    }
    #donors br {
        display: none;
    }
    #donors img {
        max-width: 120px;
        height: auto;
    }
}

@media screen and (max-width: 550px) {
    #extras > .blogroll li {
        flex: 1 1 45%;
    }
    #extras > .social ul {
        display: block;
        columns: 2;
    }
    #extras > .social li {
        flex: none;
    }
}

@media screen and (max-width: 400px) {
    #extras > .blogroll li {
        flex: 1 1 100%;
    }
    #extras > .social ul {
        columns: 1;
    }
}