.app-spinner-overlay {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000000;
    opacity: 0.92;
    transition: opacity 0.3s ease;
}

.app-spinner-overlay.app-spinner-overlay--inline {
    position: absolute;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    border-radius: inherit;
    z-index: 50;
    opacity: 1;
}

.app-spinner-overlay.is-hidden {
    opacity: 0;
    pointer-events: none;
}

.app-spinner-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    max-width: min(360px, calc(100% - 32px));
    text-align: center;
}

.app-spinner-ring {
    width: 56px;
    height: 56px;
    border: 4px solid rgba(255, 255, 255, 0.15);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: appSpinnerSpin 0.8s linear infinite;
    flex-shrink: 0;
}

/* Size variants */
.app-spinner-ring[data-size="sm"] {
    width: 28px;
    height: 28px;
    border-width: 3px;
}

.app-spinner-ring[data-size="lg"] {
    width: 80px;
    height: 80px;
    border-width: 5px;
}

.app-spinner-label {
    color: rgba(255, 255, 255, 0.85);
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
    line-height: 1.4;
}

.app-spinner-label:empty {
    display: none;
}

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