/* Skeleton Loader Styles */

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

@keyframes skeleton-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.skeleton-block {
    display: block;
    background: linear-gradient(90deg, #eef1f5 25%, #e2e7ed 37%, #eef1f5 63%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: 3px;
}

.skeleton-loader {
    padding: 15px;
    animation: skeleton-fade-in 0.15s ease-in;
    animation-delay: 0.2s;
    animation-fill-mode: backwards;
}

/* Generic skeleton */
.skeleton-generic {
    max-width: 600px;
    margin: 40px auto;
}

.skeleton-block--title {
    height: 24px;
    width: 40%;
    margin-bottom: 20px;
}

.skeleton-block--line {
    height: 14px;
    margin-bottom: 12px;
}

/* Table skeleton */
.skeleton-table__toolbar {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.skeleton-block--btn {
    width: 90px;
    height: 34px;
    border-radius: 3px;
}

.skeleton-table__header {
    display: flex;
    gap: 10px;
    padding: 10px 8px;
    border-bottom: 2px solid #e2e7ed;
    margin-bottom: 2px;
}

.skeleton-block--header-cell {
    flex: 1;
    height: 14px;
}

.skeleton-table__row {
    display: flex;
    gap: 10px;
    padding: 12px 8px;
    border-bottom: 1px solid #f0f2f5;
}

.skeleton-block--cell {
    height: 14px;
    flex-shrink: 0;
}

.skeleton-table__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 14px;
    padding: 0 8px;
}

.skeleton-block--info {
    width: 180px;
    height: 14px;
}

.skeleton-table__pagination {
    display: flex;
    gap: 4px;
}

.skeleton-block--page-btn {
    width: 32px;
    height: 32px;
    border-radius: 3px;
}

/* Tree skeleton (Categories, Brands, Collections, ProductTypes) */
.skeleton-tree__item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid #f0f2f5;
}

.skeleton-block--tree-toggle {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    border-radius: 2px;
}

.skeleton-block--tree-line {
    height: 14px;
}

/* Cards skeleton (Channels - 3 per row) */
.skeleton-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.skeleton-cards__item {
    flex: 0 0 calc(33.333% - 12px);
    border: 1px solid #e2e7ed;
    border-radius: 4px;
    overflow: hidden;
}

.skeleton-cards__header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    border-bottom: 1px solid #f0f2f5;
}

.skeleton-block--card-image {
    width: 48px;
    height: 48px;
    border-radius: 4px;
    flex-shrink: 0;
}

.skeleton-cards__header-text {
    flex: 1;
    min-width: 0;
}

.skeleton-block--card-title {
    height: 16px;
    width: 70%;
    margin-bottom: 8px;
}

.skeleton-block--card-subtitle {
    height: 12px;
    width: 50%;
}

.skeleton-cards__body {
    padding: 14px;
}

.skeleton-block--card-line {
    height: 12px;
    margin-bottom: 10px;
    width: 90%;
}

.skeleton-block--card-line:last-child {
    margin-bottom: 0;
}

@media (max-width: 1199px) {
    .skeleton-cards__item {
        flex: 0 0 calc(50% - 8px);
    }
}

@media (max-width: 767px) {
    .skeleton-cards__item {
        flex: 0 0 100%;
    }
}

/* Settings skeleton (sidebar + content) */
.skeleton-settings {
    display: flex;
    gap: 20px;
}

.skeleton-settings__sidebar {
    flex: 0 0 16.666%;
    border: 1px solid #e2e7ed;
    border-radius: 4px;
    padding: 0;
}

.skeleton-block--sidebar-heading {
    height: 40px;
    border-radius: 4px 4px 0 0;
    margin-bottom: 4px;
}

.skeleton-block--sidebar-item {
    height: 38px;
    border-radius: 0;
    margin: 0;
    border-bottom: 1px solid #f0f2f5;
}

.skeleton-block--sidebar-item:last-child {
    border-bottom: none;
    border-radius: 0 0 4px 4px;
}

.skeleton-settings__content {
    flex: 1;
    border: 1px solid #e2e7ed;
    border-radius: 4px;
    padding: 16px;
}

.skeleton-block--settings-heading {
    height: 40px;
    width: 50%;
    margin-bottom: 20px;
}

.skeleton-settings__row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.skeleton-block--settings-label {
    width: 30%;
    height: 14px;
    flex-shrink: 0;
}

.skeleton-block--settings-value {
    flex: 1;
    height: 34px;
    border-radius: 3px;
}

/* Form skeleton */
.skeleton-form__tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 24px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e2e7ed;
}

.skeleton-block--tab {
    width: 90px;
    height: 30px;
    border-radius: 3px;
}

.skeleton-form__group {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}

.skeleton-block--label {
    width: 16.666%;
    height: 14px;
    flex-shrink: 0;
}

.skeleton-block--input {
    flex: 1;
    height: 34px;
    border-radius: 3px;
    max-width: 66.666%;
}

@media (prefers-reduced-motion: reduce) {
    .skeleton-block {
        animation: none;
        background: #eef1f5;
    }
}