:root {
    --header-height: 80px;
    --container-pad: clamp(16px, 4vw, 16px);
    --content-max: 65%;
    --hover-underline-title: 5px;
    --hover-underline: 2.5px;
    --symbol-max-size: 1.7rem; /* max Größe des ">" Symbols im Hover */
    --symSize: 1.2rem;              /* Grundgröße des Pfeils */
    --symScaleHover: 1.35;          /* Hover-Scale (statt font-size) */
    --symColW: calc(var(--symSize) * var(--symScaleHover) + 4px);
}

/* Header / Navbar */
header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 1000;
    isolation: isolate;
    box-shadow: 0 2px 5px rgba(0,0,0,.2);
}
header, .navbar { border-radius: 0 0 0; }

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0 20px;
    z-index: 2;
    box-sizing: border-box;
    background: whitesmoke;
    width: 100vw;
}
.navbar-logo img {
    height: 100%;
    max-height: var(--header-height);
    width: auto;
    margin-top: 10px;
}

/* Menücontainer = Anker fürs Dropdown */
.navbar-menu {
    margin: 0;
    padding: 0;
    height: 100%;
    position: relative;
}

.navbar-menu .navbar-menu-list {
    list-style: none;
    display: flex;
    margin: 0; padding: 0;
    height: 100%;
    position: relative;
}
.navbar-menu .navbar-menu-list li { margin: 0; padding: 0; height: 100%; position: relative; }
.navbar-menu .navbar-menu-list li a {
    display: flex;
    align-items: center; justify-content: center;
    height: 50%;
    margin: 1em 1em;
    text-decoration: none;
    color: black; background: transparent;
    transition: background-color .1s ease-in-out;
    text-transform: uppercase;
}
#project { cursor: pointer; }
#team { cursor: pointer; }
#engagement { cursor: pointer; }
#wetlab { cursor: pointer; }
#drylab { cursor: pointer; }

/* Akzentfarbe pro Kategorie */
.navbar-menu .navbar-menu-list a.project,     .project-drop     { --accent:#844876; }
.navbar-menu .navbar-menu-list a.wetlab,      .wetlab-drop      { --accent:#4E7E75; }
.navbar-menu .navbar-menu-list a.drylab,      .drylab-drop      { --accent:#B63E54; }
.navbar-menu .navbar-menu-list a.engagement,  .engagement-drop  { --accent:#CC922E; }
.navbar-menu .navbar-menu-list a.team,        .team-drop        { --accent:#99C1B9; }

/* Titel-Unterstreichung oben (nur via ::after, animiert) */
.navbar-menu .navbar-menu-list a { position: relative; }
.navbar-menu .navbar-menu-list a::after {
    content:"";
    position:absolute; left:0; right:0; bottom:4px;
    height: var(--hover-underline-title);
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .22s ease;
}

/* Direkt-Hover/Fokus */
.navbar-menu .navbar-menu-list a:hover::after,
.navbar-menu .navbar-menu-list a:focus-visible::after { transform: scaleX(1); }

/* Titel bleibt unterstrichen, solange Panel offen/hover/focus ist */
.navbar-menu:has(#project:hover)                .navbar-menu-list a.project::after,
.navbar-menu:has(a.project:hover)               .navbar-menu-list a.project::after,
.navbar-menu:has(.project-drop:hover)           .navbar-menu-list a.project::after,
.navbar-menu:has(.project-drop:focus-within)    .navbar-menu-list a.project::after,
.navbar-menu:has(.project-drop a:hover)         .navbar-menu-list a.project::after,
.navbar-menu:has(.project-drop .dropdown-symbol:hover) .navbar-menu-list a.project::after,
.navbar-menu:has(#wetlab:hover)                 .navbar-menu-list a.wetlab::after,
.navbar-menu:has(a.wetlab:hover)                .navbar-menu-list a.wetlab::after,
.navbar-menu:has(.wetlab-drop:hover)            .navbar-menu-list a.wetlab::after,
.navbar-menu:has(.wetlab-drop:focus-within)     .navbar-menu-list a.wetlab::after,
.navbar-menu:has(.wetlab-drop a:hover)          .navbar-menu-list a.wetlab::after,
.navbar-menu:has(.wetlab-drop .dropdown-symbol:hover) .navbar-menu-list a.wetlab::after,
.navbar-menu:has(#drylab:hover)                 .navbar-menu-list a.drylab::after,
.navbar-menu:has(a.drylab:hover)                .navbar-menu-list a.drylab::after,
.navbar-menu:has(.drylab-drop:hover)            .navbar-menu-list a.drylab::after,
.navbar-menu:has(.drylab-drop:focus-within)     .navbar-menu-list a.drylab::after,
.navbar-menu:has(.drylab-drop a:hover)          .navbar-menu-list a.drylab::after,
.navbar-menu:has(.drylab-drop .dropdown-symbol:hover) .navbar-menu-list a.drylab::after,
.navbar-menu:has(#engagement:hover)             .navbar-menu-list a.engagement::after,
.navbar-menu:has(a.engagement:hover)            .navbar-menu-list a.engagement::after,
.navbar-menu:has(.engagement-drop:hover)        .navbar-menu-list a.engagement::after,
.navbar-menu:has(.engagement-drop:focus-within) .navbar-menu-list a.engagement::after,
.navbar-menu:has(.engagement-drop a:hover)      .navbar-menu-list a.engagement::after,
.navbar-menu:has(.engagement-drop .dropdown-symbol:hover) .navbar-menu-list a.engagement::after,
.navbar-menu:has(#team:hover)                   .navbar-menu-list a.team::after,
.navbar-menu:has(a.team:hover)                  .navbar-menu-list a.team::after,
.navbar-menu:has(.team-drop:hover)              .navbar-menu-list a.team::after,
.navbar-menu:has(.team-drop:focus-within)       .navbar-menu-list a.team::after,
.navbar-menu:has(.team-drop a:hover)            .navbar-menu-list a.team::after,
.navbar-menu:has(.team-drop .dropdown-symbol:hover) .navbar-menu-list a.team::after {
    transform: scaleX(1);
}

.project-drop,
.wetlab-drop,
.drylab-drop,
.engagement-drop,
.team-drop {
    visibility: hidden;
    opacity: 0;
    transform: translateX(-50%) translateY(-10px);
    transition: opacity .25s ease, transform .25s ease;
}

.project-drop.open,
.wetlab-drop.open,
.drylab-drop.open,
.engagement-drop.open,
.team-drop.open {
    visibility: visible;
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Judging Hammer */
#judging-hammer {
    background-repeat: no-repeat;
    background-size: 3.6em;
    background-image: url(https://static.igem.wiki/teams/5667/assets/images/navbar/judging-hammer-open.webp);
    background-position-x: center;
}

#judging-hammer:hover, #judging-hammer::after, #judging-hammer:focus {
    background-image: url(https://static.igem.wiki/teams/5667/assets/images/navbar/judging-hammer-close.webp);
}

/* Dropdown-Container exakt unter der Navbar, volle Breite, z-index 1 */
.dropdown {
    position: absolute;
    left: 0; right: 0;
    top: calc(80% + 12px);
    z-index: -1;
}

/* Panel-Box: zentriert innerhalb von .dropdown */
.dropdown-content {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    min-width: 34rem;
    background: whitesmoke;
    border-radius: 0 0 10px 10px;
    box-shadow: 0px 0px 5px rgba(0, 0, 0, .3);
    display: flex;
    gap: 16px;
    padding: 16px;
    transition: opacity .25s ease, transform .25s ease;
    overflow: hidden;
}

/* Akzentbalken unten am Panel */
.dropdown-content::after {
    content:"";
    position:absolute; left:0; right:0; bottom:0;
    height: 6px;
    background: var(--accent);
    border-radius: 0 0 10px 10px;
}

/* Panels initial verstecken – mit X-Translation fürs Zentrieren kombiniert */
.project-drop, .wetlab-drop, .drylab-drop, .engagement-drop, .team-drop {
    visibility: hidden;
    opacity: 0;
    transform: translateX(-50%) translateY(-10px);
}

@media (min-width: 768px) {
    .navbar-menu:has(#project:hover) .project-drop,
    .navbar-menu:has(#project:focus-within) .project-drop,
    .navbar-menu:has(a.project:hover) .project-drop,
    .navbar-menu:has(a.project:focus) .project-drop,
    .navbar-menu:has(#wetlab:hover) .wetlab-drop,
    .navbar-menu:has(#wetlab:focus-within) .wetlab-drop,
    .navbar-menu:has(a.wetlab:hover) .wetlab-drop,
    .navbar-menu:has(a.wetlab:focus) .wetlab-drop,
    .navbar-menu:has(#drylab:hover) .drylab-drop,
    .navbar-menu:has(#drylab:focus-within) .drylab-drop,
    .navbar-menu:has(a.drylab:hover) .drylab-drop,
    .navbar-menu:has(a.drylab:focus) .drylab-drop,
    .navbar-menu:has(#engagement:hover) .engagement-drop,
    .navbar-menu:has(#engagement:focus-within) .engagement-drop,
    .navbar-menu:has(a.engagement:hover) .engagement-drop,
    .navbar-menu:has(a.engagement:focus) .engagement-drop,
    .navbar-menu:has(#team:hover) .team-drop,
    .navbar-menu:has(#team:focus-within) .team-drop,
    .navbar-menu:has(a.team:hover) .team-drop,
    .navbar-menu:has(a.team:focus) .team-drop,
    .dropdown-content:hover,
    .dropdown-content:focus-within {
        visibility: visible;
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* Spalten im Panel */
.dropdown-content-item-s {
    flex: 1 1 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 5px;
}

/* Eintrag: Symbol + Link in einer Zeile, Caption darunter */
.dropdown-content-item-z{
    display: grid;
    grid-template-columns: var(--symColW) 1fr; /* feste Symbolspalte */
    grid-template-areas:
    "symbol link"
    ".      caption";
    align-items: center; /* statt baseline → stabil */
    gap: .25rem .5rem;
    width: 100%;
}

/* Symbol, Link, Caption im Flow */
.dropdown-symbol{
    grid-area: symbol;
    width: var(--symColW);
    height: var(--symSize);
    display: grid;
    place-items: center;
    margin: 0;
    padding: 0;
    line-height: 1;
    font-size: var(--symSize);   /* bleibt konstant! */
    font-weight: 600;            /* fix lassen (kein Wechsel) */
    color: black;

    /* nur diese animieren → keine Reflow-Sprünge */
    transform: translateY(0) scale(1);
    transform-origin: center;
    transition: color .22s ease, transform .22s ease;
    will-change: transform;
}

.dropdown-content-item-z a{
    grid-area: link;
    position: relative;
    display: inline-block;
    color: black;
    text-decoration: none;
    text-transform: initial;
    width: max-content;
}
.dropdown-caption{
    grid-area: caption;
    margin-top: -0.5rem;
    font-size: .75rem;
    opacity: .7;
    width: max-content;
}

/* Unterstreichung der Links im Panel (animiert) */
.dropdown-content .dropdown-content-item-z a::after {
    content:"";
    position:absolute; left:0; right:0; bottom: 2px;
    height: var(--hover-underline);
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .22s ease;
}

.dropdown-content .dropdown-content-item-z:hover a::after,
.dropdown-content .dropdown-content-item-z:focus-within a::after {
    transform: scaleX(1);
}

/* Symbol färbt/animiert mit – Design bleibt, aber ohne Layout-Jump */
.dropdown-content .dropdown-content-item-z:hover .dropdown-symbol,
.dropdown-content .dropdown-content-item-z:focus-within .dropdown-symbol {
    color: var(--accent);
    font-weight: 900;           /* beibehalten */
    font-size: var(--symbol-max-size); /* beibehalten */
    transform: translateY(-6px) scale(var(--symScaleHover));
}

/* Optionale Rundungseffekte */
header.team-hover, .navbar.team-hover { border-radius: 0 0 0 20px; }

.navbar::after{
    content:"";
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 12px;
    background: whitesmoke;
    z-index: 3;
    pointer-events: none;
}

#buttons-nav { display: none; }
.navbar-menu-mobile {
    display: none;
    font-size: 3vw;
}

@media (max-width: 768px) {
    :root { --hover-underline-title: 3px; }

    .navbar {
        display: flex;
        height: var(--header-height);
        padding: unset;
        z-index: 2;
        box-sizing: border-box;
        background: whitesmoke;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    .navbar-menu {
        margin: unset;
        top: -18px;
        padding: unset;
        background: whitesmoke;
        position: relative;
        border-radius: 0 0 1em 1em;
        width: 100%;
        visibility: hidden;
        height: auto;
        max-height: calc(100dvh - var(--header-height));
    }
    .navbar-menu-mobile {
        display: unset;
        list-style: none;
        margin: 0 0 0 -40px;
        height: min-content;
    }
    #project-mobile { display: none; }
    #wetlab-mobile { display: none; }
    #drylab-mobile { display: none; }
    #engagement-mobile { display: none; }
    #team-mobile { display: none; }

    .navbar-menu .navbar-menu-list {
        list-style: none;
        display: flex;
        margin: auto;
        padding: 0;
        height: unset;
        width: 100vw;
        position: relative;
        flex-direction: column;
        flex-wrap: nowrap;
        justify-content: space-around;
    }
    .navbar-menu .navbar-menu-list li { height: unset; }
    .navbar-menu .navbar-menu-list a::after { bottom: -5px; }

    .dropdown-content {
        top: -2px;
        flex-wrap: nowrap;
        width: 95%;
        min-width: unset;
        flex-direction: column;
    }
    .navbar-logo img {
        height: 100%;
        max-height: var(--header-height);
        width: auto;
        margin: unset;
    }
    #buttons-nav {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        flex-wrap: nowrap;
        align-items: center;
    }
    #navbar-top-mobile {
        display: flex;
        flex-direction: row;
        flex-wrap: nowrap;
        justify-content: space-between;
        width: 100%;
        align-items: center;
    }
    #nav-burger { margin-right: 1em; }
    #nav-burger-close { margin-right: 1em; display: none; }
    #nav-burger-back { margin-right: 1em; display: none; }

    .navbar-menu .navbar-menu-list a::after,
    .dropdown-content .dropdown-content-item-z a::after {
        content: none !important;
        display: none !important;
    }
    .navbar-menu .navbar-menu-list a,
    .dropdown-content,
    .dropdown-content .dropdown-content-item-z a,
    .dropdown-symbol,
    .project-drop, .wetlab-drop, .drylab-drop, .engagement-drop, .team-drop {
        transition: none !important;
    }
    .navbar-menu .navbar-menu-list a:hover::after,
    .navbar-menu .navbar-menu-list a:focus-visible::after { transform: none !important; }

    .dropdown-content .dropdown-content-item-z:hover .dropdown-symbol,
    .dropdown-content .dropdown-content-item-z:focus-within .dropdown-symbol {
        color: inherit !important;
        font-weight: inherit !important;
        font-size: inherit !important;
        transform: none !important;
    }
}

@media (max-width: 400px) {
    .navbar-menu-mobile { font-size: 6vw; }
}