/* =============================
   Schriften: werden von der Website selbst ausgeliefert
   (Quelle: 998_exhibition/01 docs, vom Build nach fonts/ kopiert)
============================= */
@font-face {
    font-family: 'RobotoMono';
    src: url('fonts/RobotoMono-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

/* =============================
   Grundlayout / Startseite
============================= */
/* Kein Scroll-Anchoring: beim Umschalten der Sektionen klappen Panels zu und wir
   scrollen selbst zur geoeffneten Sektion; das Anchoring wuerde das wieder verschieben. */
html {
    overflow-anchor: none;
}

html,
body {
    margin: 0;
    padding: 0;
    background-color: #000000;
    font-family: 'RobotoMono', monospace;
    font-weight: 500;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

/* =============================
   Akkordeon Wrapper
============================= */
.accordion-wrapper {
    width: 100%;
    transition: background-color 0.3s;
    padding: 60px 0;
    box-sizing: border-box;
    background-color: transparent;
    /* Startseite: schwarz */
}

/* EXHIBITS: kein extra Gelb unten, wenn offen */
.accordion-wrapper.exhibits.open {
    padding-bottom: 0;
}

/* =============================
   Haupttitel
============================= */
.accordion {
    font-family: 'RobotoMono', monospace;
    font-size: 80px;
    text-transform: uppercase;
    cursor: pointer;
    background: none;
    border: none;
    color: #666666;
    /* graue Titel */
    transition: color 0.3s, background-color 0.3s;
    margin: 0;
    padding: 0 62px;
}

/* Hover: ganzer Block gelb, Titel bleibt schwarz */
.accordion-wrapper:hover {
    background-color: #eaff00;
}

.accordion-wrapper:hover .accordion {
    color: #000000;
}

/* =============================
   Panel / Text
============================= */
.panel {
    display: none;
    font-family: 'RobotoMono', monospace;
    font-size: 16px;
    line-height: 1.5;
    color: #000000;
    background-color: #eaff00;
    /* gelber Hintergrund (Standard) */
    margin: 10px 0 0 0;
    padding: 20px 0 20px 0;
}

/* EXHIBITS: Panel transparent, Hintergrund kommt vom Wrapper */
.exhibits .panel {
    background-color: transparent;
    padding-bottom: 0;
    margin-bottom: 0;
}

#dynamic-content > .accordion-wrapper:first-child .panel {
    padding-bottom: 0;
}

/* Panel-Content bündig zum Titel */
.panel .panel-content {
    max-width: 800px;
    margin-left: 0;
    padding-left: 62px;
    padding-right: 62px;
}

/* EXHIBITS: Keine max-width für volle Breite */
.exhibits .panel .panel-content {
    max-width: none;
}

/* EXHIBITS: Haupt-Lauftext wie andere Sektionen begrenzen */
.exhibits-intro {
    max-width: 800px;
    margin-bottom: 60px;
}

/* Lauftext */
.panel p,
.panel li,
.panel a {
    color: inherit;
}

.panel ul,
.panel ol {
    margin-left: 0;
    padding-left: 0;
    list-style-position: outside;
}

/* Bilder */
.panel img {
    max-width: 600px;
    height: auto;
    display: block;
    margin: 40px 0 0 0;
}

.panel iframe {
    width: 100%;
    max-width: 600px;
    aspect-ratio: 16 / 9;
    height: auto;
    display: block;
    margin: 40px 0 60px 0;
    border: 0;
}

.subfolder-text > iframe,
.nested-subfolder-content > iframe {
    margin-bottom: 60px;
}

.nested-subfolder-content:has(> iframe) {
    padding-bottom: 20px;
}

.nested-subfolder-content > iframe {
    margin-bottom: 0;
}

.exhibits .panel-content > img {
    margin-bottom: 60px;
}

.system .panel .panel-content {
    max-width: 800px;
}

.system .subfolder-block {
    margin-left: 0;
    margin-right: 0;
    width: 800px;
    max-width: calc(100vw - 62px);
}

.system .panel-content > img {
    margin-bottom: 60px;
}

.system .panel-content > .subfolder-block:first-of-type {
    border-top: 1px solid #000000 !important;
}

/* Links */
.panel a {
    color: #000000;
    text-decoration: underline;
}

.panel a:hover {
    color: #333333;
}

/* Download-Link */
.download-link {
    display: block;
    margin-top: 20px;
    font-family: 'RobotoMono', monospace;
    font-size: 16px;
}

.download-link span {
    font-weight: 500 !important;
    margin-right: 5px;
}

.download-link a {
    text-decoration: underline;
    color: #000000;
}

.download-link a:hover {
    color: #333333;
}

/* =============================
   Unterordner-Titel & Linien
============================= */
.subfolder-block {
    width: 100%;
    box-sizing: border-box;
    border-top: 1px solid #000000;

    padding-top: 60px;
    padding-bottom: 60px;
    margin: 0;
}

/* Erste Linie nicht anzeigen */
.subfolder-block:first-child {
    border-top: none;
    padding-top: 0;
}

/* Abstand Lauftext Hauptordner → erste Linie */
.panel-content>.subfolder-block:first-of-type {
    margin-top: 60px;
}

/* Unterordner Block */
.subfolder-block {
    width: 100%;
    box-sizing: border-box;
    border-top: 1px solid #000000;
    padding-top: 60px;
    padding-bottom: 60px;
    margin: 0;
}

/* EXHIBITS: Unterordner Block grau ueber volle Breite */
.exhibits .subfolder-block {
    background-color: #666666;
    color: #000000;
    margin-left: -62px;
    margin-right: -62px;
    padding-left: 62px;
    padding-right: 62px;
    width: calc(100% + 124px);
}

/* EXHIBITS: Unterordner Block Hover = gelb ueber volle Breite */
.exhibits .subfolder-block:hover {
    background-color: #eaff00;
    color: #000000;
}

/* EXHIBITS: Geoeffneter Unterordner bleibt gelb, ohne Hover-Wechsel */
.exhibits .subfolder-block.open {
    background-color: #eaff00;
    color: #000000;
}

.exhibits .subfolder-block.open:hover {
    background-color: #eaff00;
    color: #000000;
}

/* EXHIBITS: Links im Unterordner schwarz */
.exhibits .subfolder-block a {
    color: #000000;
}

.exhibits .subfolder-block.open a {
    color: #000000;
}

/* EXHIBITS: Letzter Unterordner Block geöffnet - kein extra Balken */
.exhibits .subfolder-block.open:last-child {
    margin-bottom: 0;
    padding-bottom: 60px;
}

/* Erste Linie nicht anzeigen */
.subfolder-block:first-child {
    border-top: none;
    padding-top: 0;
}

/* Unterordner-Titel */
.subfolder-title {
    font-family: 'RobotoMono', monospace;
    font-size: 80px;
    text-transform: uppercase;
    margin: 0 0 20px -5px;
    color: #000000;
    /* Standard: schwarz */
    cursor: pointer;
    transition: color 0.3s;
}

/* EXHIBITS: Unterordner-Titel schwarz */
.exhibits .subfolder-title {
    color: #000000;
}

/* EXHIBITS: Geoeffneter Titel bleibt schwarz */
.exhibits .subfolder-block.open .subfolder-title {
    color: #000000;
}


/* Unterordner-Text */
.subfolder-text {
    font-family: 'RobotoMono', monospace;
    font-size: 16px;
    display: block;
    max-width: 800px;
    /* Standard: sichtbar */
}

/* EXHIBITS: Unterordner-Text versteckt, Bilder versteckt */
.exhibits .subfolder-text {
    display: none;
    color: #000000;
}

.exhibits .subfolder-block.open .subfolder-text {
    display: block;
    color: #000000;
}

.exhibits .subfolder-block img {
    display: none;
}

/* =============================
   Nested Subfolder - Innerhalb von subfolder-text
============================= */
.nested-subfolder-block {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid #000000;
}

.nested-subfolder-title {
    font-family: 'RobotoMono', monospace;
    font-size: 80px;
    text-transform: uppercase;
    margin: 0 0 20px -5px;
    color: #000000;
    cursor: default;
    /* Nicht klickbar */
    display: block;
}

.nested-subfolder-content {
    font-family: 'RobotoMono', monospace;
    font-size: 16px;
    margin: 0;
    max-width: 800px;
    display: block;
}

.nested-subfolder-img {
    display: block;
    margin: 20px 0;
}

/* =============================
   Bedienung per Tastatur: Titel enthalten Buttons
============================= */
.accordion button,
.subfolder-title button {
    all: unset;
    display: inline;
    font: inherit;
    color: inherit;
    text-transform: inherit;
    cursor: pointer;
}

.accordion button:focus-visible,
.subfolder-title button:focus-visible {
    outline: 3px solid currentColor;
    outline-offset: 6px;
}

/* Bilder nie breiter als der Inhalt */
.panel img {
    max-width: min(600px, 100%);
}

@media (prefers-reduced-motion: reduce) {
    .accordion-wrapper,
    .accordion,
    .subfolder-title {
        transition: none;
    }
}

/* =============================
   Kleine Bildschirme
============================= */
@media (max-width: 900px) {
    .accordion,
    .subfolder-title,
    .nested-subfolder-title {
        font-size: clamp(32px, 9vw, 80px);
        overflow-wrap: anywhere;
    }

    .accordion {
        padding: 0 24px;
    }

    .accordion-wrapper {
        padding: 40px 0;
    }

    .panel .panel-content {
        padding-left: 24px;
        padding-right: 24px;
    }

    .panel ul,
    .panel ol {
        padding-left: 40px;
    }

    .exhibits .subfolder-block {
        margin-left: -24px;
        margin-right: -24px;
        padding-left: 24px;
        padding-right: 24px;
        width: calc(100% + 48px);
    }

    .subfolder-block,
    .exhibits .subfolder-block.open:last-child {
        padding-top: 40px;
        padding-bottom: 40px;
    }

    .subfolder-block:first-child {
        padding-top: 0;
    }

    .exhibits-intro,
    .exhibits .panel-content > img {
        margin-bottom: 40px;
    }
}