.viewer360-container {
    position: relative;
    width: 100%;
}

.viewer360 {
    width: 100%;
    min-height: 300px;
}

.viewer360-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: #000;
    animation: viewer360-spin 1s linear infinite;
}

@keyframes viewer360-spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.viewer360-error {
    padding: 20px;
    text-align: center;
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
}