/**
 * cz-skeleton — loading placeholder primitive.
 *
 * Variants: --text, --text-sm, --text-lg, --avatar, --row, --card.
 * Wrap the parent with aria-busy="true" while shown.
 *
 * @package ClimaZona
 */

.cz-skeleton {
    display: inline-block;
    background: linear-gradient(
        90deg,
        var(--muted) 0%,
        var(--border-color-light) 50%,
        var(--muted) 100%
    );
    background-size: 200% 100%;
    border-radius: var(--border-radius-sm);
    animation: cz-skeleton-shimmer 1.4s linear infinite;
    color: transparent;
    user-select: none;
    pointer-events: none;
}

.cz-skeleton--text {
    display: block;
    width: 100%;
    height: 0.875rem;
    margin: 0.25rem 0;
}

.cz-skeleton--text-sm {
    display: block;
    width: 60%;
    height: 0.75rem;
    margin: 0.25rem 0;
}

.cz-skeleton--text-lg {
    display: block;
    width: 40%;
    height: 1.25rem;
    margin: 0.5rem 0;
}

.cz-skeleton--avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-full);
}

.cz-skeleton--row {
    display: block;
    width: 100%;
    height: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.cz-skeleton--card {
    display: block;
    width: 100%;
    height: 96px;
    border-radius: var(--border-radius-md);
}

.cz-skeleton-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

@keyframes cz-skeleton-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@media (prefers-reduced-motion: reduce) {
    .cz-skeleton {
        animation: none;
        background: var(--muted);
        opacity: 0.7;
    }
}