.spinner-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            padding: 20px;
        }
        .spinner-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        .dot-spinner {
            display: flex;
            align-items: center;
        }
        .dot-spinner div {
            width: 10px;
            height: 10px;
            margin: 0 2px;
            background-color: #000;
            border-radius: 50%;
            animation: dot-spinner 1.4s infinite ease-in-out both;
        }
        .dot-spinner div:nth-child(1) { animation-delay: -0.32s; }
        .dot-spinner div:nth-child(2) { animation-delay: -0.16s; }
        .dot-spinner-primary div { background-color: #3949AB; }
        .dot-spinner-secondary div { background-color: #6c757d; }
        
        @keyframes dot-spinner {
            0%, 80%, 100% { transform: scale(0); }
            40% { transform: scale(1); }
        }