.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.loading-overlay.active {
    display: flex;
}

.loading-dots span {
    display: inline-block;
    width: 12px;
    height: 12px;
    margin: 0 4px;
    background: #fff;
    border-radius: 50%;
    animation: dot-bounce 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) { animation-delay: 0s; }
.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

.loading-overlay .loading-text {
    margin-top: 1rem;
    font-weight: 500;
    color: #fff;
}

@keyframes dot-bounce {
    0%, 80%, 100% { transform: scale(0.4); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}