/* 3D-Viewer Modal Overlay */
.viewer3d-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
}
.viewer3d-modal.viewer3d-visible {
    display: block;
}

.viewer3d-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
}

.viewer3d-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 85vw;
    height: 80vh;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.viewer3d-toolbar {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 10;
    display: flex;
    gap: 6px;
}

.viewer3d-btn {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    line-height: 1;
}
.viewer3d-btn:hover {
    background: rgba(0, 0, 0, 0.7);
}
.viewer3d-btn.active {
    background: rgba(80, 130, 200, 0.7);
}

.viewer3d-btn-close {
    font-size: 24px;
}

.viewer3d-btn-fullscreen {
    position: relative;
    font-size: 0;
    overflow: visible;
    -webkit-appearance: none;
}
.viewer3d-btn-fullscreen::before,
.viewer3d-btn-fullscreen::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    border-color: #fff;
    border-style: solid;
}
.viewer3d-btn-fullscreen::before {
    top: 7px;
    left: 7px;
    border-width: 2px 0 0 2px;
}
.viewer3d-btn-fullscreen::after {
    bottom: 7px;
    right: 7px;
    border-width: 0 2px 2px 0;
}

.viewer3d-canvas-container {
    width: 100%;
    height: 100%;
    position: relative;
}
.viewer3d-canvas-container canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.viewer3d-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #555;
    z-index: 5;
    width: 200px;
}

.viewer3d-loading-text {
    font-size: 14px;
    margin-bottom: 8px;
    font-variant-numeric: tabular-nums;
}

.viewer3d-progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.viewer3d-progress-fill {
    height: 100%;
    width: 0%;
    background: #555;
    border-radius: 2px;
    transition: width 0.15s ease-out;
}

.viewer3d-progress-fill.viewer3d-progress-indeterminate {
    width: 40% !important;
    animation: viewer3d-indeterminate 1.2s ease-in-out infinite;
}

@keyframes viewer3d-indeterminate {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
}

/* UG Play-Buttons bei aktivem 3D-Item verstecken (Fullscreen-Button bleibt!) */
.viewer3d-active .ug-button-play,
.viewer3d-active .ug-default-button-play,
.viewer3d-active .ug-default-button-play-single,
.viewer3d-active .ug-button-videoplay {
    display: none !important;
}

/* 3D Play-Overlay auf Gallery-Slider */
.viewer3d-play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 5;
    background: rgba(0, 0, 0, 0.15);
}
.viewer3d-play-btn {
    background: rgba(0, 0, 0, 0.65);
    color: #fff;
    padding: 14px 28px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 500;
    display: flex;
    align-items: center;
    pointer-events: none;
}

/* 3D-Badge auf Gallery-Thumbnails */
.ug-thumb-wrapper img[data-type="3d"] + .viewer3d-badge,
.viewer3d-thumb-badge {
    position: absolute;
    bottom: 4px;
    left: 4px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    font-size: 10px;
    font-weight: bold;
    padding: 2px 5px;
    border-radius: 3px;
    letter-spacing: 0.5px;
    pointer-events: none;
}

/* Slider-Wrapper braucht position:relative für den Inline-Viewer */
.viewer3d-active .ug-slider-wrapper {
    position: relative !important;
}

/* Eigener Fullscreen-Button im Inline-3D-Viewer */
.viewer3d-inline-fullscreen {
    position: absolute;
    bottom: 10px;
    right: 10px;
    z-index: 200;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.5);
    cursor: pointer;
    transition: background 0.2s;
    padding: 0;
    overflow: visible;
    -webkit-appearance: none;
}
.viewer3d-inline-fullscreen::before,
.viewer3d-inline-fullscreen::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    border-color: #fff;
    border-style: solid;
}
.viewer3d-inline-fullscreen::before {
    top: 7px;
    left: 7px;
    border-width: 2px 0 0 2px;
}
.viewer3d-inline-fullscreen::after {
    bottom: 7px;
    right: 7px;
    border-width: 0 2px 2px 0;
}
.viewer3d-inline-fullscreen:hover {
    background: rgba(0, 0, 0, 0.8);
}
/* Im UG-Fullscreen unseren Button verstecken (UG hat dort seinen eigenen) */
.ug-fullscreen .viewer3d-inline-fullscreen {
    display: none;
}

/* UG-Slider-Item verstecken wenn 3D aktiv ist (sofort, auch beim Laden) */
.viewer3d-active .ug-slider-wrapper .ug-item-wrapper {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* Inline-Modus (3D im Slider oder UG-Fullscreen) */
.viewer3d-inline {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100 !important;
    background: transparent;
}
.viewer3d-inline .viewer3d-canvas-container {
    width: 100%;
    height: 100%;
    position: relative;
}
.viewer3d-inline .viewer3d-canvas-container canvas {
    display: block;
    width: 100%;
    height: 100%;
}
.viewer3d-inline .viewer3d-toolbar {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 10;
    display: flex;
    gap: 6px;
}
.viewer3d-inline .viewer3d-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #555;
    z-index: 5;
}

/* Fullscreen-Anpassung */
.viewer3d-content:fullscreen {
    width: 100vw;
    height: 100vh;
    border-radius: 0;
}

/* Mobile */
@media (max-width: 768px) {
    .viewer3d-content {
        width: 96vw;
        height: 70vh;
    }
    .viewer3d-btn {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .viewer3d-content {
        width: 100vw;
        height: 65vh;
        border-radius: 0;
        top: auto;
        bottom: 0;
        transform: translate(-50%, 0);
    }
}