.ui-loading-state {
    display: grid;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-height: 7rem;
    padding: 1.5rem;
    color: var(--text-secondary);
}

.ui-loading-state--spinner,
.ui-loading-state--progress {
    grid-template-columns: auto auto;
    min-height: 4.25rem;
}

.ui-loading-state--progress {
    grid-template-columns: auto minmax(180px, 240px);
}

.ui-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--slate-100);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: uiSpin 800ms linear infinite;
}

.ui-loading-copy {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    min-width: 0;
    color: var(--text-secondary);
    font-size: 0.78rem;
}

.ui-loading-copy strong {
    color: var(--primary);
    font-family: var(--font-mono);
    font-size: 0.74rem;
}

.ui-progress-track {
    grid-column: 2;
    height: 6px;
    overflow: hidden;
    border-radius: var(--radius-pill);
    background: var(--surface-sunken);
}

.ui-progress-bar {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: var(--gradient-brand);
}

.ui-skeleton-layout {
    display: grid;
    grid-template-columns: 48px minmax(120px, 260px);
    grid-template-areas:
        "avatar wide"
        "avatar short"
        "block block";
    gap: 10px 12px;
    width: min(100%, 420px);
}

.ui-skeleton {
    display: block;
    border-radius: 8px;
    background: linear-gradient(90deg, var(--slate-100) 25%, var(--slate-50) 50%, var(--slate-100) 75%);
    background-size: 200% 100%;
    animation: uiShimmer 1.4s linear infinite;
}

.ui-skeleton-avatar {
    grid-area: avatar;
    width: 48px;
    height: 48px;
    border-radius: 12px;
}

.ui-skeleton-line {
    height: 12px;
}

.ui-skeleton-line--wide {
    grid-area: wide;
    width: 74%;
}

.ui-skeleton-line--short {
    grid-area: short;
    width: 52%;
}

.ui-skeleton-block {
    grid-area: block;
    height: 80px;
    margin-top: 6px;
}

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

@keyframes uiShimmer {
    from {
        background-position: -200% 0;
    }

    to {
        background-position: 200% 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ui-spinner,
    .ui-skeleton {
        animation-duration: 1ms;
    }
}

@media (max-width: 720px) {
    .ui-loading-state--progress {
        grid-template-columns: auto minmax(0, 1fr);
    }
}