/* ETechFlow PSO Premium — Infinite Scroll UI */

#etechflow-pso-premium-is-loading {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 30px 0;
    color: #555;
    font-size: 0.95em;
}

#etechflow-pso-premium-is-loading .spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #e0e0e0;
    border-top-color: #1f4fa0;
    border-radius: 50%;
    animation: etechflow-pso-premium-spin 0.8s linear infinite;
}

@keyframes etechflow-pso-premium-spin {
    to { transform: rotate(360deg); }
}

.etechflow-pso-premium-is-loadmore {
    display: block;
    margin: 30px auto;
    padding: 12px 32px;
    background: #1f4fa0;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 0.95em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}
.etechflow-pso-premium-is-loadmore:hover {
    background: #16407f;
}

#etechflow-pso-premium-is-backtop {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(31, 79, 160, 0.9);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 22px;
    line-height: 1;
    display: none;
    z-index: 1000;
    transition: background 0.15s, transform 0.15s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
#etechflow-pso-premium-is-backtop:hover {
    background: rgba(31, 79, 160, 1);
    transform: translateY(-2px);
}