/*
 * Inline page loading — admin catalog / detail shells (replaces plain “Loading…”).
 */

@keyframes admin-page-loading-spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes admin-page-loading-shimmer {
    0% {
        background-position: 100% 0;
    }

    100% {
        background-position: -100% 0;
    }
}

.admin-page-loading {
    font-family: var(--font-admin);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: clamp(1.25rem, 4vw, 2.75rem) 0;
    min-height: min(56vh, 440px);
}

.admin-page-loading__card {
    width: min(100%, 420px);
    padding: clamp(1.5rem, 3vw, 2rem);
    border-radius: var(--radius);
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.admin-page-loading__visual {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

.admin-page-loading__ring {
    display: inline-block;
    width: 44px;
    height: 44px;
    border: 3px solid rgba(26, 26, 26, 0.08);
    border-top-color: rgba(61, 69, 82, 0.88);
    border-radius: 50%;
    animation: admin-page-loading-spin 0.78s linear infinite;
}

.admin-page-loading__caption {
    margin: 0 0 0.35rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--text-dark);
}

.admin-page-loading__hint {
    margin: 0 0 1.25rem;
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-muted);
    line-height: 1.45;
}

.admin-page-loading__skeleton {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin-top: 0.25rem;
}

.admin-page-loading__sk {
    display: block;
    height: 10px;
    border-radius: var(--radius-sm);
    background: linear-gradient(
        90deg,
        rgba(90, 98, 114, 0.09) 0%,
        rgba(90, 98, 114, 0.18) 45%,
        rgba(90, 98, 114, 0.09) 90%
    );
    background-size: 200% 100%;
    animation: admin-page-loading-shimmer 1.35s ease-in-out infinite;
}

.admin-page-loading__sk--lg {
    width: 88%;
    margin-inline: auto;
}

.admin-page-loading__sk--md {
    width: 72%;
    margin-inline: auto;
    animation-delay: 0.08s;
}

.admin-page-loading__sk--sm {
    width: 56%;
    margin-inline: auto;
    animation-delay: 0.16s;
}

.admin-page-loading__sk--xs {
    width: 40%;
    margin-inline: auto;
    animation-delay: 0.24s;
}

@media (prefers-reduced-motion: reduce) {
    .admin-page-loading__ring {
        animation: none;
        border-color: rgba(61, 69, 82, 0.35);
        border-top-color: rgba(61, 69, 82, 0.35);
        opacity: 0.85;
    }

    .admin-page-loading__sk {
        animation: none;
        background: rgba(90, 98, 114, 0.14);
    }
}