.h3d-viewer-container {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    /* box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1); */
    min-height: 300px;
    background: none;
}


.h3d-viewer-container canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.h3d-error {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #721c24;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    padding: 12px 24px;
    margin: 8px 0;
    border-radius: 4px;
    text-align: center;
    max-width: 80%;
    z-index: 2;
}

.h3d-loading-text {
    position: absolute;
    top: 60%;
    left: 50%;
    transform: translateX(-50%);
    color: #666;
    font-size: 14px;
    z-index: 2;
}

/* Loading indicator styles */
.h3d-viewer-container.loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    animation: h3d-spin 1s linear infinite;
    z-index: 1;
}

.h3d-viewer-container.loaded::before,
.h3d-viewer-container.loaded .h3d-loading-text,
.h3d-viewer-container.error::before,
.h3d-viewer-container.error .h3d-loading-text {
    display: none;
}

@keyframes h3d-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .h3d-viewer-container {
        min-height: 300px;
    }
}

.h3d-controls {
    position: absolute;
    bottom: 10px;
    right: 10px;
    display: flex;
    gap: 8px;
    z-index: 10;
}

.h3d-control-button {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 4px;
    padding: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.h3d-control-button:hover {
    background: white;
    transform: translateY(-1px);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
}

.h3d-control-button svg {
    width: 20px;
    height: 20px;
    fill: #333;
}