.app-sending-overlay {
    position: fixed;
    inset: 0;
    z-index: 10050;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(2, 6, 23, 0.78);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.app-sending-overlay.open {
    display: flex;
}

.app-sending-card {
    display: grid;
    justify-items: center;
    gap: 14px;
    min-width: 168px;
    padding: 28px 26px;
    border-radius: 18px;
    background: #1c222d;
    border: 1px solid color-mix(in srgb, var(--sending-accent, var(--user-accent, var(--admin-accent, #38bdf8))) 45%, transparent);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

.app-sending-spinner {
    width: 52px;
    height: 52px;
    box-sizing: border-box;
    border-radius: 50%;
    border: 5px solid rgba(255, 255, 255, 0.14);
    border-top-color: var(--sending-accent, var(--user-accent, var(--active-accent, var(--admin-accent, #38bdf8))));
    border-right-color: var(--sending-accent, var(--user-accent, var(--active-accent, var(--admin-accent, #38bdf8))));
    animation: app-sending-spin 0.75s linear infinite;
    will-change: transform;
}

.app-sending-card p {
    margin: 0;
    color: #ffffff;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.01em;
    text-align: center;
}

@keyframes app-sending-spin {
    to {
        transform: rotate(360deg);
    }
}