.fcm-loader {
    position: fixed;
    inset: 0;
    z-index: 20000;
    display: grid;
    place-items: center;
    background: rgba(248, 250, 253, .86);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .22s ease, visibility .22s ease;
}

.fcm-loader.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

.fcm-loader__card {
    width: min(360px, calc(100vw - 40px));
    padding: 30px 34px 25px;
    overflow: hidden;
    text-align: center;
    background: rgba(255, 255, 255, .96);
    border: 1px solid rgba(0, 113, 188, .12);
    border-radius: 20px;
    box-shadow: 0 22px 60px rgba(13, 42, 67, .18);
}

.fcm-loader__logo-wrap {
    position: relative;
    margin: 0 auto 20px;
}

.fcm-loader__logo {
    display: block;
    width: 100%;
    height: auto;
    animation: fcm-logo-breathe 1.5s ease-in-out infinite;
}

.fcm-loader__track {
    position: relative;
    width: 150px;
    height: 4px;
    margin: 0 auto 14px;
    overflow: hidden;
    background: #e2edf5;
    border-radius: 10px;
}

.fcm-loader__track::after {
    position: absolute;
    inset: 0;
    width: 42%;
    content: "";
    background: linear-gradient(90deg, #07558c, #0796df, #07558c);
    border-radius: inherit;
    box-shadow: 0 0 12px rgba(0, 126, 199, .55);
    animation: fcm-loader-slide 1.05s ease-in-out infinite;
}

.fcm-loader__text {
    margin: 0;
    color: #526574;
    font-family: Nunito, Arial, sans-serif;
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}

@keyframes fcm-logo-breathe {
    0%, 100% { opacity: .82; transform: scale(.985); }
    50% { opacity: 1; transform: scale(1); }
}

@keyframes fcm-loader-slide {
    0% { transform: translateX(-110%); }
    100% { transform: translateX(350%); }
}

@media (prefers-reduced-motion: reduce) {
    .fcm-loader__logo,
    .fcm-loader__track::after {
        animation-duration: 2.5s;
    }
}