.loader-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(255, 255, 255, 0.55);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        display: flex;
        justify-content: center;
        align-items: center;
        z-index: 9999;
    }
    .loader-overlay--fixed {
        position: fixed;
        inset: 0;
        width: auto;
        height: auto;
    }
    .js-spinner-container {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 2rem 2.5rem;
        background: #fff;
        border-radius: 12px;
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.14);
        max-width: min(28rem, 90vw);
    }
    .loader-spinner {
        width: 3rem;
        height: 3rem;
        border: 4px solid #f3f3f3;
        border-top: 4px solid rgb(140, 25, 70);
        border-radius: 50%;
        animation: spin 1s linear infinite;
    }
    .loader-message {
        margin-top: 1.25rem;
        color: #1a1a1a;
        font-size: 1rem;
        font-weight: 600;
        text-align: center;
        line-height: 1.55;
        max-width: 22rem;
    }
    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }