.bic-frontend-container {
    max-width: 800px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.bic-frontend-intro {
    background: #f9f9f9;
    padding: 20px;
    border-left: 4px solid #2271b1;
    margin-bottom: 20px;
}

.bic-frontend-intro h3 {
    margin-top: 0;
    color: #2271b1;
}

.bic-supported-formats {
    list-style-type: disc;
    padding-left: 20px;
    display: inline-block;
    margin: 10px 0;
}

.bic-supported-formats li {
    display: inline-block;
    margin-right: 15px;
}

.bic-max-size {
    font-style: italic;
    color: #666;
}

.bic-frontend-upload-area {
    background: white;
    padding: 20px;
    border: 1px solid #ddd;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.bic-frontend-dropzone {
    border: 2px dashed #ccc;
    padding: 40px;
    text-align: center;
    margin-bottom: 20px;
    cursor: pointer;
    transition: all 0.3s;
}

.bic-frontend-dropzone:hover {
    border-color: #2271b1;
    background: #f5f9ff;
}

.bic-frontend-dropzone-inner {
    pointer-events: none;
}

.bic-frontend-dropzone .dashicons {
    font-size: 48px;
    width: 48px;
    height: 48px;
    color: #72777c;
}

.bic-frontend-options {
    margin-bottom: 20px;
}

.bic-frontend-options label {
    margin-right: 10px;
    font-weight: bold;
}

.bic-frontend-options input {
    width: 80px;
    padding: 5px;
    border: 1px solid #ddd;
}

#bic-frontend-file-input {
    display: none;
}

.bic-frontend-button {
    background: #2271b1;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

.bic-frontend-button:hover {
    background: #135e96;
}

.bic-frontend-button:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.bic-frontend-results {
    background: white;
    padding: 20px;
    border: 1px solid #ddd;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.bic-frontend-results h4 {
    margin-top: 0;
    color: #2271b1;
}

.bic-frontend-progress {
    margin-top: 20px;
    background: #f5f5f5;
    height: 30px;
    position: relative;
}

.bic-frontend-progress-bar {
    background: #2271b1;
    height: 100%;
    width: 0%;
    transition: width 0.3s;
}

.bic-frontend-progress-text {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    text-align: center;
    line-height: 30px;
    color: white;
    text-shadow: 0 0 2px rgba(0,0,0,0.5);
}

.bic-frontend-result-item {
    padding: 10px;
    border-bottom: 1px solid #eee;
}

.bic-frontend-result-item.success {
    background: #f0fff0;
}

.bic-frontend-result-item.error {
    background: #fff0f0;
}

.bic-frontend-download-all {
    text-align: center;
    margin-bottom: 20px;
}