.demo-button {
    display: inline-block;
    padding: 8px 16px;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    margin: 10px 5px;
}

/* Loading overlay styles - keep this */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #f8f9fa;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-bar-container {
    width: 250px;
    height: 6px;
    background-color: #e2e8f0;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 20px;
}

.loading-bar {
    height: 100%;
    width: 0%;
    background-color: #3498db;
    border-radius: 3px;
    transition: width 0.2s;
}

.loading-text {
    font-size: 16px;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 2px;
}