.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity .45s ease-out, visibility .45s ease-out;
}

.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-logo {
    background: #fff;
    padding: 12px 16px;
    border-radius: var(--raio);
    height: 84px;
    width: auto;
    margin-bottom: 26px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .18);
    animation: loadingPulse 2s ease-in-out infinite;
}

.loading-spinner {
    width: 64px;
    height: 64px;
    border: 4px solid rgba(255, 255, 255, .28);
    border-top-color: #fff;
    border-radius: 50%;
    animation: loadingSpin 1s linear infinite;
    margin-bottom: 20px;
}

.loading-text {
    color: #fff;
    font-size: 17px;
    font-weight: 600;
    text-align: center;
    letter-spacing: .01em;
    animation: loadingFadeUp .7s ease-out;
}

.loading-dots::after {
    content: "";
    animation: loadingDots 1.5s steps(1, end) infinite;
}

.loading-progress {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, .28);
    border-radius: 2px;
    margin-top: 20px;
    overflow: hidden;
}

.loading-progress-bar {
    height: 100%;
    background: #fff;
    border-radius: 2px;
    animation: loadingProgress 2s ease-in-out infinite;
}

@keyframes loadingSpin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes loadingPulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.05);
        opacity: .85;
    }
}

@keyframes loadingFadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes loadingDots {
    0%,
    20% {
        content: "";
    }

    40% {
        content: ".";
    }

    60% {
        content: "..";
    }

    80%,
    100% {
        content: "...";
    }
}

@keyframes loadingProgress {
    0% {
        width: 0%;
    }

    50% {
        width: 70%;
    }

    100% {
        width: 100%;
    }
}

@media (max-width: 620px) {
    .loading-logo {
        height: 68px;
        margin-bottom: 20px;
    }

    .loading-spinner {
        width: 52px;
        height: 52px;
    }

    .loading-text {
        font-size: 15px;
    }
}