/* ==========================================================================
   BASIS-STYLING & RESETS
   ========================================================================== */
:root {
    /* Die Fallbacks für den absoluten Kaltstart */
    --bg-color: #f8f8f8;
    --bg-gradient-top: transparent;
    --font-heading: -apple-system, sans-serif;
    --text-heading: #111111;
    --font-main: -apple-system, sans-serif;
    --text-main: #666666;
    --highlight: #000000;
    
    /* 1. Raum (Globale Norm) */
    --global-ui-bg: rgba(255, 255, 255, 0.5); 
    --global-ui-blur: 12px;
    --global-border-color: rgba(255, 255, 255, 0.3);
    --global-border-width: 1px;
    --global-border-radius: 12px;
    --global-shadow-color: rgba(0, 0, 0, 0.15);
    --global-shadow-blur: 30px;
    
    /* Altlasten-Auffangbecken (Damit CMS-Buttons etc. nicht Rahmenlos werden) */
    --glass-border: var(--global-border-color);
}
/* ==========================================================================
   UI-ROUTING (Der doppelte Fallback für alte und neue Schemen)
   ========================================================================== */
button, input, select, textarea {
    font-family: inherit;
}

.nav-arrow {
    position: absolute; 
   
    
    
    
    cursor: pointer; 
    pointer-events: auto; 
    opacity: 0;
    transition: opacity 0.3s, transform 0.2s; 
    width: var(--arrow-box-size, 40px); 
    height: var(--arrow-box-size, 40px); 
    
    /* NEU: Sichtbarkeit für die Galerieansicht */
    display: var(--show-arrows-gallery, flex);
    
    justify-content: center; 
    align-items: center;
    /* Hintergrund & Blur Kaskade */
    background-color: var(--arrow-ui-bg, var(--global-ui-bg));
    backdrop-filter: blur(var(--arrow-ui-blur, var(--global-ui-blur, 12px)));
    -webkit-backdrop-filter: blur(var(--arrow-ui-blur, var(--global-ui-blur, 12px)));
    
    /* Rahmen & Radius Kaskade (NEU!) */
    border: var(--arrow-border-width, var(--global-border-width, 1px)) solid var(--arrow-border-color, var(--global-border-color));
    border-radius: var(--arrow-border-radius, var(--global-border-radius, 6px));
    
    /* Schatten Kaskade */
    box-shadow: 0 4px var(--arrow-shadow-blur, var(--global-shadow-blur, 15px)) var(--arrow-shadow-color, var(--global-shadow-color));
}
#viewport.wall-focused ~ #nav-arrow-layer .nav-arrow {
    display: var(--show-arrows-fullscreen, flex);
}
body, html {
    margin: 0; padding: 0; width: 100%; height: 100%;
    overflow: hidden; 
    
    /* Hintergrund und Filter hier komplett entfernen! */
    
    font-family: var(--font-main, -apple-system, sans-serif);
    color: var(--text-main, #666666);
    user-select: none;
}

/* NEU: Ein separater Hintergrund-Layer, der den Filter abbekommt */
body::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    z-index: -1; pointer-events: none;
    
    background-color: var(--bg-color); 
    background-image: linear-gradient(to bottom, var(--bg-gradient-top), transparent var(--bg-gradient-length, 500px));
    
    filter: hue-rotate(var(--global-hue, 0deg)) saturate(var(--global-saturation, 100%)) brightness(var(--global-brightness, 100%));
}

#viewport {
    position: absolute; top: 0; left: 0; 
    width: 100vw; height: 100dvh;
    z-index: 10; cursor: grab; overflow: hidden;
    touch-action: none; 
    user-select: none;
    -webkit-user-select: none;
}
#viewport:active { cursor: grabbing; }
h1, h2, h3, h4, h5,
.header-bar .copyright,
.header-nav a,
.primary-bar .brand,
.nav-btn-l1,
.nav-btn-l2,
summary {
    font-family: var(--font-heading, var(--font-main, -apple-system, sans-serif)) !important;
}

/* 2. Farb-Bindung exklusiv für echte Text-Überschriften */
h1, h2, h3, h4, h5 {
    color: var(--highlight, #000000);
}
#wall {
    position: absolute; top: 0; left: 0;
    transform-origin: 0 0; 
    will-change: transform;
    display: grid;
    gap: 0;
}

/* ==========================================================================
   VISITOR HEADER & TOP SHEET (Zentriertes Dock-Konzept invertiert)
   ========================================================================== */
#visitor-header {
    position: fixed; top: 0; left: 50%; transform: translateX(-50%); 
    width: 50vw; min-width: 450px; z-index: 900;
    
    /* Hintergrund & Blur Kaskade */
    background-color: var(--header-ui-bg, var(--global-ui-bg));
    backdrop-filter: blur(var(--header-ui-blur, var(--global-ui-blur, 12px)));
    -webkit-backdrop-filter: blur(var(--header-ui-blur, var(--global-ui-blur, 12px)));
    
    /* Rahmen Kaskade */
    border: var(--header-border-width, var(--global-border-width, 1px)) solid var(--header-border-color, var(--global-border-color));
    border-top: none; /* Bleibt starr, damit es oben am Rand andockt */
    
    /* Radius Kaskade (Nur unten abgerundet) */
    border-radius: 0 0 var(--header-border-radius, var(--global-border-radius, 12px)) var(--header-border-radius, var(--global-border-radius, 12px));
    
    /* Schatten Kaskade */
    box-shadow: 0 4px var(--header-shadow-blur, var(--global-shadow-blur, 30px)) var(--header-shadow-color, var(--global-shadow-color));
    
    height: 45px; min-height: 45px; overflow: hidden; display: flex;
    flex-direction: column; box-sizing: border-box;
    transition: height 0.4s cubic-bezier(0.25, 1, 0.5, 1), width 0.4s ease;
    pointer-events: auto;
}

#visitor-header.expanded {
    height: 50vh;
    width: 60vw; 
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.header-bar {
    height: 45px;
    min-height: 45px;
    position: relative; 
    display: flex;
    justify-content: flex-start; /* Alles ordnet sich linksbündig an */
    align-items: center;
    padding: 0 1.5rem;
    box-sizing: border-box;
}

.header-bar .copyright {
    /* Absolute Positionierung wurde entfernt */
    font-size: 0.75rem;
    text-transform: none !important;
    letter-spacing: 0.05em;
    white-space: nowrap;
    font-weight: 600;
    color: var(--header-text-color, var(--text-sec, #666666));
    
    /* NEU: Die trennende Linie und Abstände */
    padding-right: 15px;
    margin-right: 15px;
    border-right: 1px solid var(--text-sec);
}

.header-nav {
    display: flex;
}

.header-nav a {
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 0 1rem 0 0; /* Abstand nur noch nach rechts, nicht mehr nach links */
    transition: color 0.2s ease;
    color: var(--header-link-color, var(--text-sec, #666666));
}
.header-nav a:hover, 
.header-nav a.active {
    /* Kaskade: Lokal -> Global -> Fallback */
    color: var(--header-link-hover, var(--highlight, #000000));
}


.header-drawer-content {
    flex-grow: 1;
    overflow-y: auto;
    padding: 2.5rem 3rem;
    box-sizing: border-box;
}
.legal-link-right {
    position: absolute;
    right: 1.5rem; /* Gleicher Abstand zum Rand wie das Copyright links */
    font-size: 0.65rem; /* Eine Spur kleiner als der Kontakt-Link */
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    font-weight: 500;
    
    /* Hier nutzen wir die weiche Sekundär-Farbe aus deinem Design-Schema */
    color: var(--text-sec, #9a9996);
    transition: color 0.2s ease;
}

.legal-link-right:hover, 
.legal-link-right.active {
    /* Beim Darüberfahren wird er kurz dunkel/sichtbar */
    color: var(--header-link-hover, var(--highlight, #000000));
}
/* Media Query für Mobile anpassen */
@media (orientation: portrait) {
    #visitor-header {
        width: 90vw; 
        min-width: 0;
    }
    #visitor-header.expanded {
        width: 90vw;
    }
    .header-bar .copyright {
        display: none; 
    }
}
/* ==========================================================================
   ADMIN HEADER (Zwei-Ebenen Command-Dock)
   ========================================================================== */
#admin-header {
    position: fixed; top: 0; left: 50%; transform: translateX(-50%);
    width: max-content; min-width: 700px; max-width: 98vw;
    z-index: 1000; display: flex; flex-direction: column; overflow: hidden;
    
    /* Hintergrund & Blur Kaskade (identisch zur Titelleiste) */
    background-color: var(--header-ui-bg, var(--global-ui-bg));
    backdrop-filter: blur(var(--header-ui-blur, var(--global-ui-blur, 12px)));
    -webkit-backdrop-filter: blur(var(--header-ui-blur, var(--global-ui-blur, 12px)));
    
    /* Rahmen Kaskade */
    border: var(--header-border-width, var(--global-border-width, 1px)) solid var(--header-border-color, var(--global-border-color));
    border-top: none;
    
    /* Radius Kaskade (Nur unten abgerundet) */
    border-radius: 0 0 var(--header-border-radius, var(--global-border-radius, 12px)) var(--header-border-radius, var(--global-border-radius, 12px));
    
    /* Schatten Kaskade */
    box-shadow: 0 4px var(--header-shadow-blur, var(--global-shadow-blur, 30px)) var(--header-shadow-color, var(--global-shadow-color));
}

.admin-bar {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    width: 100%;
    box-sizing: border-box;
}

.primary-bar {
    border-bottom: 1px solid var(--glass-border);
    justify-content: space-between;
}

.secondary-bar {
    background: rgba(0, 0, 0, 0.02);
    min-height: 45px;
    justify-content: center;
    padding: 8px 20px;
}

.primary-bar .brand {
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
    letter-spacing: -0.02em;
    font-size: 0.95rem;
}

.admin-nav-level-1 {
    display: flex;
    gap: 15px;
    margin: 0 20px;
}

.nav-btn-l1 {
    background: none;
    border: none;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-sec);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    padding: 5px 10px;
    transition: color 0.2s;
}

.nav-btn-l1:hover, 
.nav-btn-l1.active {
    color: var(--highlight);
}

.admin-nav-level-2 {
    display: none;
    gap: 12px;
}

.admin-nav-level-2.active {
    display: flex;
    animation: fadeInMenu 0.2s ease;
}

@keyframes fadeInMenu {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.nav-btn-l2 {
    background: #fff;
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    padding: 6px 14px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-main);
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.nav-btn-l2:hover {
    border-color: var(--text-main);
}

.logout-btn {
    background: transparent;
    color: var(--text-sec);
    border: 1px solid var(--glass-border);
    padding: 5px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s;
}
.logout-btn:hover {
    color: var(--text-main);
    border-color: var(--text-main);
}
/* ==========================================================================
   FOKUS-MODUS (Kinematische Isolation)
   ========================================================================== */
#viewport.wall-focused .artwork:not(.selected) {
    opacity: 0.3;
    transition: opacity 0.3s ease; 
}

#viewport.wall-focused .artwork.selected {
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.35);
    transform: scale(1.02);
    z-index: 1000;
    transition: box-shadow 0.5s ease, transform 0.5s ease;
}

/* ==========================================================================
   BESUCHER-PANEL (Exhibition UI Split-Screen)
   ========================================================================== */
#visitor-panel {
    position: fixed; z-index: 800; padding: 1.2rem;
    display: flex; flex-direction: column; box-sizing: border-box;
    overflow: hidden; opacity: 0; pointer-events: none;
    transition: opacity 0.3s ease-in-out;
    
    /* Hintergrund & Blur Kaskade */
    background-color: var(--panel-ui-bg, var(--global-ui-bg));
    backdrop-filter: blur(var(--panel-ui-blur, var(--global-ui-blur, 12px)));
    -webkit-backdrop-filter: blur(var(--panel-ui-blur, var(--global-ui-blur, 12px)));
    
    /* Rahmen, Radius & Schatten Kaskade */
    border: var(--panel-border-width, var(--global-border-width, 1px)) solid var(--panel-border-color, var(--global-border-color));
    border-radius: var(--panel-border-radius, var(--global-border-radius, 12px));
    box-shadow: 0 20px var(--panel-shadow-blur, var(--global-shadow-blur, 40px)) var(--panel-shadow-color, var(--global-shadow-color));
}

#visitor-panel.active {
    opacity: 1;
    pointer-events: auto;
}

#visitor-panel.layout-right {
    border-radius: var(--panel-border-radius, var(--global-border-radius, 12px));
    border-left: var(--panel-border-width, var(--global-border-width, 1px)) solid var(--panel-border-color, var(--global-border-color));
}
#visitor-panel.layout-right h2 {
    font-size: 1.3rem;
    margin: 5px 0 10px 0;
}

#visitor-panel.layout-bottom {
    border-radius: var(--panel-border-radius, var(--global-border-radius, 12px));
    border-top: var(--panel-border-width, var(--global-border-width, 1px)) solid var(--panel-border-color, var(--global-border-color));
    gap: 0.5rem;
}

#visitor-panel.layout-bottom .panel-content {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start; /* Schiebt alles natürlich nach links */
    width: 100%;
    height: 100%;
    gap: 2rem; /* Sauberer Abstand zwischen den Blöcken */
    padding-right: 0;
    overflow-x: auto; /* Erlaubt wischen, falls der Text auf kleinen Screens zu lang wird */
}

#visitor-panel.layout-bottom h2 {
    border-bottom: none;
    margin: 0;
    font-size: 1.3rem;
    max-width: none; /* Hebt die alte 30%-Drosselung auf */
    flex-shrink: 0; /* Verhindert das Quetschen des Titels */
    white-space: nowrap;
    
    /* Optischer Bonus: Ein feiner vertikaler Trennstrich nach dem Titel */
    padding-right: 2rem;
    border-right: 1px solid var(--panel-border-color, var(--global-border-color));
}

#visitor-panel.layout-bottom .meta-group {
    gap: 0.2rem;
    flex-shrink: 0; /* Verhindert das Quetschen der Metadaten */
}
#visitor-panel.layout-right .panel-content {
    display: flex;
    flex-direction: column;
    height: 100%; /* Zwingt den Inhalt, die volle Höhe des Panels zu nutzen */
}
#visitor-panel .close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: transparent;
    border: none;
    color: var(--text-sec);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.2s;
}
#visitor-panel .close-btn:hover {
    color: var(--highlight);
}

#visitor-panel h2 {
    /* Explizite Font-Bindung für den Panel-Titel */
    font-family: var(--font-heading, var(--font-main, -apple-system, sans-serif)) !important;
    
    margin: 10px 0 0 0;
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.2;
    border-bottom: 1px solid var(--panel-border-color, var(--global-border-color));
    padding-bottom: 15px;
    color: var(--panel-heading-color, var(--highlight, #000000));
}

.meta-group {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}
.meta-group label {
    /* Explizite Font-Bindung für TECHNIK, JAHR, SIZE */
    font-family: var(--font-main, -apple-system, sans-serif);
    
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--panel-label-color, var(--text-sec, #666666));
}
.meta-group p {
    /* Explizite Font-Bindung für die Werte */
    font-family: var(--font-main, -apple-system, sans-serif);
    
    margin: 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--panel-text-color, var(--text-main, #333333));
}
.meta-group label, 
.meta-group p {
    white-space: nowrap; /* Zwingt "150cm x 150cm" strikt in eine Zeile */
}

#panel-actions {
    display: flex;
    gap: 10px;
    width: 100%;
}
#viewport.active-interaction #wall {
    transition: none;
}
.artwork-hires-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity var(--focus-fade-duration, 0.4s) ease-in-out;
    pointer-events: none;
}
#visitor-panel.layout-right #panel-actions {
    margin-top: auto; /* Drückt den Button im hohen rechten Panel immer ganz nach unten! */
}
#visitor-panel.layout-bottom #panel-actions {
    margin-top: 0;
    margin-left: auto; /* Drückt den Button in der unteren Leiste immer ganz nach rechts! */
    width: auto;
    flex-shrink: 0;
}
#panel-actions {
    display: flex;
    gap: 10px;
    width: 100%;
}

.action-btn {
    flex: 1;
    padding: 10px 18px;
    font-size: 0.8rem;
    font-family: inherit;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s, color 0.2s;
    white-space: nowrap; /* Hält den Button-Text in einer Zeile */
}

.back-btn {
    background: transparent;
    color: var(--text-main);
}
.back-btn:hover {
    background: rgba(0,0,0,0.05);
}

.zoom-btn {
    background: var(--highlight);
    color: #fff;
}
.zoom-btn:hover {
    opacity: 0.9;
}

.loading-quittung {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-sec);
    font-style: italic;
    padding: 8px 0;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--glass-border);
    border-top-color: var(--text-main);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   VISITOR FOOTER & BOTTOM SHEET (Zentriertes Dock-Konzept)
   ========================================================================== */


.drawer-section {
    display: none;
    animation: fadeInDrawer 0.3s ease;
}

.drawer-section.active {
    display: block;
}

.drawer-section h2 {
    margin: 0 0 1.2rem 0;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--highlight);
}

@keyframes fadeInDrawer {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Medienabfrage für mobile Endgeräte (Hochformat) */
@media (orientation: portrait) {
    #visitor-footer {
        width: 90vw; /* Auf Smartphones fast bildschirmfüllend, um Lesbarkeit zu wahren */
        min-width: 0;
    }
    #visitor-footer.expanded {
        width: 90vw;
    }
    
}

/* ==========================================================================
   UI-KOMPONENTEN & DESIGN-SYSTEM (GLASS)
   ========================================================================== */
.glass {
    /* Architektonische Raum-Parameter - Jetzt sauber ohne calc! */
    border-radius: var(--global-border-radius, 12px);
    box-shadow: 0 4px var(--global-shadow-blur, 30px) var(--global-shadow-color, rgba(0,0,0,0.15));
}




.main-menu a { 
    text-decoration: none; 
    color: var(--text-sec); 
    cursor: pointer; 
    font-weight: 400;
    font-size: 0.9rem;
    transition: color 0.2s;
}
.main-menu a:hover { color: var(--highlight); }

.main-menu h1 { 
    display: inline; 
    font-size: 1rem;
    color: var(--text-main); 
    margin: 0; 
    font-weight: 600;
    letter-spacing: -0.02em;
}

#login-modal {
    display: none; position: fixed; top: 50%; left: 50%;
    transform: translate(-50%, -50%); z-index: 2000;
    padding: 2rem; border-radius: 8px; text-align: center;
}
#login-modal.active { display: block; }

/* ==========================================================================
   CMS LAYOUT (ADMIN BACKEND)
   ========================================================================== */
.cms-layout {
    position: absolute; 
    top: 90px; left: 0; right: 0; bottom: 0;
    display: grid;
    grid-template-columns: 220px 1fr 300px;
    grid-template-rows: 1fr 80px;
    grid-template-areas: 
        "left center right"
        "left bottom right";
    pointer-events: none;
    z-index: 500;
}
/* Gemeinsames optisches Design für alle CMS-Panels (erbt vom Besucher-Panel) */
.sidebar-left, .sidebar-right, .content-bottom {
    /* Hintergrund & Blur Kaskade */
    background-color: var(--panel-ui-bg, var(--global-ui-bg));
    backdrop-filter: blur(var(--panel-ui-blur, var(--global-ui-blur, 12px)));
    -webkit-backdrop-filter: blur(var(--panel-ui-blur, var(--global-ui-blur, 12px)));
    
    /* Rahmen, Radius & Schatten Kaskade */
    border: var(--panel-border-width, var(--global-border-width, 1px)) solid var(--panel-border-color, var(--global-border-color));
    border-radius: var(--panel-border-radius, var(--global-border-radius, 12px));
    box-shadow: 0 15px var(--panel-shadow-blur, var(--global-shadow-blur, 40px)) var(--panel-shadow-color, var(--global-shadow-color));
}
.sidebar-left { 
	grid-area: left; 
	pointer-events: auto; 
	margin: 1rem 0 1rem 1rem; 
	
	padding: 1rem; 
	overflow-y: auto; 
	display: flex; 
	flex-direction: column; 
	gap: 1rem;
	}
.sidebar-right { 
	grid-area: right; 
	pointer-events: auto; 
	margin: 1rem 1rem 1rem 0; 
	
	padding: 1.5rem; 
	display: flex; 
	flex-direction: column; 
	gap: 0.5rem; 
	overflow-y: auto;
	}
.content-bottom { 
	grid-area: bottom; 
	pointer-events: auto; 
	margin: 0 1rem 1rem 1rem; 
	
	padding: 1rem 2rem; 
	display: flex; 
	align-items: center; 
	justify-content: space-between;
	}

.upload-btn {
    width: 100%; padding: 15px; border: 2px dashed var(--text-sec);
    background: transparent; color: var(--text-sec); font-size: 1.5rem;
    border-radius: 8px; cursor: pointer; transition: all 0.2s;
}
.upload-btn:hover { border-color: var(--text-main); color: var(--text-main); background: rgba(0,0,0,0.05); }

.dia-item { 
    width: 100%; border: 2px solid #fff; box-shadow: 0 2px 5px rgba(0,0,0,0.1); 
    cursor: grab; transition: transform 0.2s; background-color: #eee;
}
.dia-item:active { cursor: grabbing; transform: scale(0.95); }
.dia-item.selected { 
    border-color: var(--highlight); 
    box-shadow: 0 0 0 4px rgba(0,0,0,0.2); 
}
.dia-info { font-size: 0.7rem; color: var(--text-sec); text-align: center; margin-top: -8px; word-wrap: break-word;}

.prop-group { display: flex; flex-direction: column; margin-bottom: 0.5rem; }
.prop-group label { font-size: 0.8rem; color: var(--text-sec); margin-bottom: 0.2rem; }
.prop-group input { padding: 8px; border: 1px solid var(--glass-border); border-radius: 4px; font-family: monospace; }

button {
    padding: 8px 15px; border: none; border-radius: 4px;
    background: var(--text-main); color: #fff; cursor: pointer; font-weight: bold;
}
/* ==========================================================================
   QUICK ACTION BAR (Schwebende Mini-Leiste)
   ========================================================================== */
#quick-action-bar {
    position: absolute;
    /* Schiebt die Leiste perfekt in die Lücke über dem rechten Panel */
    top: -50px; 
    right: 1rem; 
    display: flex;
    gap: 8px;
    padding: 6px;
    z-index: 1000;
    pointer-events: auto;

    /* Glass-Effekt (erbt vom globalen Standard) */
    background-color: var(--panel-ui-bg, var(--global-ui-bg));
    backdrop-filter: blur(var(--panel-ui-blur, var(--global-ui-blur, 12px)));
    -webkit-backdrop-filter: blur(var(--panel-ui-blur, var(--global-ui-blur, 12px)));
    border: var(--panel-border-width, 1px) solid var(--panel-border-color, rgba(255,255,255,0.3));
    border-radius: var(--global-border-radius, 12px);
    box-shadow: 0 4px 15px var(--global-shadow-color, rgba(0,0,0,0.15));
}

#quick-action-bar button {
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    padding: 5px 10px;
    cursor: pointer;
    color: var(--text-main);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

#quick-action-bar button:hover {
    background: rgba(0, 0, 0, 0.05);
    border-color: var(--glass-border);
}

#quick-action-bar button.primary-btn {
    font-weight: 600;
    font-size: 0.85rem;
    padding: 5px 15px;
    color: var(--text-main);
}

#quick-action-bar button.primary-btn:hover {
    background: var(--highlight);
    color: #fff;
    border-color: var(--highlight);
}

#quick-action-bar .divider {
    width: 1px;
    background: var(--glass-border);
    margin: 0 4px;
}
/* ==========================================================================
   ARTWORK KANVAS & VISUALS
   ========================================================================== */
#grid-highlight {
    display: none; position: absolute; top: 0; left: 0;
    width: 200px; height: 200px;
    background-color: rgba(0, 123, 255, 0.15);
    border: 2px dashed rgba(0, 123, 255, 0.5);
    z-index: 5; pointer-events: none;
}
#grid-highlight.placement-mode {
    background-color: rgba(40, 167, 69, 0.15);
    border-color: rgba(40, 167, 69, 0.5);
}
#grid-highlight.placement-mode::after {
    content: '+'; 
    position: absolute; 
    top: 50%; left: 50%;
    transform: translate(-50%, -50%); 
    font-size: 4rem; 
    color: rgba(40, 167, 69, 0.5);
}

.artwork-container {
    position: relative; width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    /* FILTER LÖSCHEN! */
}

.artwork {
    position: absolute; background-size: cover; background-position: center; background-repeat: no-repeat;
    border: var(--art-border-width, 8px) solid var(--art-border-color, #ffffff); 
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    
    /* NEU: Performanter Hardware-Schatten direkt auf dem Bild */
    box-shadow: 0 15px var(--art-shadow-blur, 30px) var(--art-shadow-color, rgba(0,0,0,0.15));
    
    cursor: pointer; transition: box-shadow 0.2s;
}
.artwork-hires-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0; /* Unsichtbar bis geladen */
    transition: opacity 0.6s ease-in-out;
    pointer-events: none;
    
}
.artwork.selected { border-color: var(--highlight); z-index: 100; box-shadow: 0 0 0 4px rgba(0,0,0,0.2); }
.artwork.dragging { opacity: 0.4; }

/* REPARIERT: Komplett entkoppeltes, hochperformantes Layout (Variante 2) */
.artwork-label {
    position: absolute;
    top: 0;
    left: 0;
    padding: 0.8rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    box-sizing: border-box;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transform-style: preserve-3d;
    pointer-events: none;
    white-space: nowrap;
    display: var(--show-labels-general, flex);
    /* 1:1 Klon des Besucher-Panels (Glas, Rahmen, Schatten) */
    background-color: var(--panel-ui-bg, var(--global-ui-bg));
    backdrop-filter: blur(var(--panel-ui-blur, var(--global-ui-blur, 12px)));
    -webkit-backdrop-filter: blur(var(--panel-ui-blur, var(--global-ui-blur, 12px)));
    border: var(--panel-border-width, var(--global-border-width, 1px)) solid var(--panel-border-color, var(--global-border-color));
    border-radius: var(--panel-border-radius, var(--global-border-radius, 12px));
    box-shadow: 0 10px var(--panel-shadow-blur, var(--global-shadow-blur, 40px)) var(--panel-shadow-color, var(--global-shadow-color));
}
.artwork-label .label-title {
    display: var(--show-label-title, block);
    font-family: var(--font-heading, var(--font-main, -apple-system, sans-serif)) !important;
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.2;
    border-bottom: 1px solid var(--panel-border-color, var(--global-border-color));
    padding-bottom: 8px;
    margin-bottom: 4px;
    color: var(--panel-heading-color, var(--highlight, #000000));
}
/* Meta-Werte (Klon der .meta-group p Eigenschaften) */
.artwork-label .label-technik,
.artwork-label .label-jahr,
.artwork-label .label-size {
    font-family: var(--font-main, -apple-system, sans-serif);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--panel-text-color, var(--text-main, #333333));
}

/* Die magischen Schema-Schalter */
.artwork-label .label-technik {
    display: var(--show-label-technik, block);
}
.artwork-label .label-jahr {
    display: var(--show-label-jahr, block);
}
.artwork-label .label-size {
    display: var(--show-label-size, block);
}
/* Weiche Überblendung für den gesamten Label-Layer aktivieren */
#labels-layer {
    transition: opacity 0.4s ease;
}
#viewport.wall-focused #labels-layer {
    opacity: 0;
    pointer-events: none;
}
#viewrect-visual {
    position: absolute; display: none; border: 2px dashed #17a2b8;
    background-color: rgba(23, 162, 184, 0.04); box-shadow: 0 0 20px rgba(23, 162, 184, 0.1);
    pointer-events: none; z-index: 5; box-sizing: border-box; 
}
#startrect-visual {
    position: absolute; display: none; border: 2px dashed #ff9800;
    background-color: rgba(255, 152, 0, 0.03); box-shadow: 0 0 20px rgba(255, 152, 0, 0.1);
    pointer-events: none; z-index: 6; box-sizing: border-box; 
}

/* ==========================================================================
   MEDIA QUERIES (Mobile / Tablet Hochformat)
   ========================================================================== */
@media (orientation: portrait) {
    .top-header {
        top: 0.5rem; left: 0.5rem; right: 0.5rem;
        padding: 0.5rem 1rem; flex-wrap: nowrap;
        overflow-x: auto; gap: 10px;
    }
    .legal-link-right {
        right: 1rem;
        font-size: 0.55rem;
    }
    .main-menu h1 { font-size: 0.9rem; }
    #admin-controls { flex-wrap: nowrap; gap: 6px; }
    #admin-controls button { padding: 6px 10px; font-size: 0.75rem; white-space: nowrap; }

    .cms-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto auto;
        grid-template-areas: 
            "right"
            "center"
            "left"
            "bottom";
        top: 65px;
        background: transparent; 
    }

    .sidebar-left {
        margin: 0 0.5rem 0.5rem 0.5rem;
        display: flex !important;
        flex-direction: row !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        overflow-y: hidden !important;
        height: 85px;
        padding: 0.5rem;
        gap: 8px;
        align-items: center;
        -webkit-overflow-scrolling: touch; 
    }

    .sidebar-left > button,
    .sidebar-left > div {
        flex-shrink: 0 !important;
        display: flex;
        align-items: center;
    }

    .upload-btn { 
        flex: 0 0 auto !important;
        width: max-content !important;
        height: 65px;                   
        padding: 0 20px !important; 
        font-size: 1.1rem;
        margin-right: 5px;
    }

    .dia-item { 
        width: 65px; 
        height: 65px; 
        object-fit: cover; 
        border-radius: 4px;
    }
    .dia-info { 
        display: none !important;
    }

    .sidebar-right {
        margin: 0.5rem;
        max-height: 160px;
        overflow-y: auto;
    }

    #visitor-panel {
        padding: 1.2rem;
        max-height: 30vh;
        top: auto !important;
        left: 0.5rem !important;
        right: 0.5rem !important;
        width: auto !important;
        height: auto !important;
    }

    #visitor-panel.active { 
        bottom: 0.5rem !important; 
    }
    #visitor-panel h2 { 
        font-size: 1.2rem; 
        padding-bottom: 8px; 
    }
}