/* BorderauTrainer - Clean container styling */
.borderau-iframe-container {
    position: relative;
    width: 100%;
 /* border-radius: 8px;*/
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.borderau-iframe {
    width: 100%;
    height: 100%;
    border: none;
    /* No margin/padding manipulation - let BorderauTrainer be itself */
}

.borderau-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #666;
    z-index: 10;
}

.borderau-loading .spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #007cba;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: borderau-spin 1s linear infinite;
    margin: 0 auto 15px;
}

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