.r3d-viewer-wrap {
    background: #0c0c0c;
    border: 1px solid #E8333A;
    margin: 12px 0;
    box-shadow: 0 0 15px rgba(232,51,58,0.15);
    position: relative;
}

.r3d-viewer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    background: linear-gradient(90deg, rgba(232,51,58,0.2), rgba(232,51,58,0.05));
    border-bottom: 1px solid rgba(232,51,58,0.3);
}

.r3d-viewer-name {
    font-family: 'Share Tech Mono', monospace;
    font-size: 12px;
    color: #FACC15;
    text-shadow: 0 0 6px rgba(250,204,21,0.3);
    letter-spacing: 1px;
}

.r3d-viewer-controls {
    display: flex;
    gap: 6px;
}

.r3d-btn {
    background: transparent;
    border: 1px solid rgba(0,240,255,0.3);
    color: #00f0ff;
    font-family: 'Share Tech Mono', monospace;
    font-size: 10px;
    padding: 4px 10px;
    cursor: pointer;
    letter-spacing: 1px;
    text-decoration: none;
    transition: all 0.15s;
}

.r3d-btn:hover {
    background: rgba(0,240,255,0.1);
    border-color: #00f0ff;
    box-shadow: 0 0 8px rgba(0,240,255,0.2);
    color: #00f0ff;
}

.r3d-canvas {
    display: none;
    width: 100%;
    height: 340px;
    cursor: grab;
}

.r3d-canvas:active {
    cursor: grabbing;
}

.r3d-loading {
    height: 340px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Share Tech Mono', monospace;
    font-size: 13px;
    color: #E8333A;
    letter-spacing: 2px;
    text-shadow: 0 0 8px rgba(232,51,58,0.4);
    animation: loadingBlink 1s steps(1) infinite;
}

@keyframes loadingBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

    height: calc(100vh - 50px);
}

/* Fullscreen mode */
.r3d-viewer-wrap:-webkit-full-screen,
.r3d-viewer-wrap:fullscreen {
    width: 100vw !important;
    height: 100vh !important;
    margin: 0 !important;
    border: none !important;
    background: #000 !important;
    display: flex;
    flex-direction: column;
}
.r3d-viewer-wrap:-webkit-full-screen .r3d-canvas,
.r3d-viewer-wrap:fullscreen .r3d-canvas {
    width: 100vw !important;
    height: calc(100vh - 50px) !important;
    flex: 1;
}
.r3d-viewer-wrap:-webkit-full-screen .r3d-loading,
.r3d-viewer-wrap:fullscreen .r3d-loading {
    height: calc(100vh - 50px) !important;
}