/**
 * Вкладка «Детали Studio» — поверх ASR / admin tokens.
 */

#adminTabStudio .studio-skin {
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-lg, 14px);
    overflow: visible;
    background: var(--admin-surface-muted);
    color: var(--admin-text);
}

#adminTabStudio .asr-body[hidden] {
    display: none !important;
}

#adminTabStudio .studio-toolbar-note {
    font-size: var(--admin-font-size-sm);
    color: var(--admin-text-muted);
    line-height: 1.35;
    max-width: 420px;
}

#adminTabStudio .studio-section-title {
    margin: 0 0 var(--admin-space-1);
    font-size: 15px;
    font-weight: var(--admin-font-weight-bold);
    color: var(--admin-text);
}

#adminTabStudio .studio-section-hint {
    margin: 0 0 var(--admin-space-4);
    font-size: var(--admin-font-size-sm);
    color: var(--admin-text-muted);
    line-height: 1.45;
    max-width: 640px;
}

#adminTabStudio .studio-section-hint--flush {
    margin-bottom: 0;
}

#adminTabStudio .studio-part .asr-thumb__icon-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 3;
    opacity: 0;
}

@media (hover: hover) and (pointer: fine) {
    #adminTabStudio .studio-part:hover .asr-thumb__icon-btn,
    #adminTabStudio .studio-part:focus-within .asr-thumb__icon-btn,
    #adminTabStudio .studio-part .asr-thumb__icon-btn:focus-visible {
        opacity: 1;
    }
}

@media (pointer: coarse) {
    #adminTabStudio .studio-part .asr-thumb__icon-btn {
        display: none;
    }
}

#adminTabStudio .studio-parts-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--admin-space-3);
    margin: var(--admin-space-4) 0 var(--admin-space-3);
}

#adminTabStudio .studio-parts-toolbar .asr-search {
    flex: 1 1 220px;
    margin: 0;
}

#adminTabStudio .studio-status-line {
    min-height: 1.2em;
    font-size: var(--admin-font-size-sm);
    color: var(--admin-text-muted);
}

#adminTabStudio .studio-part {
    position: relative;
}

#adminTabStudio .studio-part.is-selected {
    box-shadow: 0 0 0 2px var(--admin-focus-ring);
    border-color: var(--admin-border-strong);
}

#adminTabStudio .studio-part__check {
    position: absolute;
    top: 8px;
    left: 8px;
    z-index: 3;
    width: 18px;
    height: 18px;
    accent-color: var(--admin-primary);
}

#adminTabStudio .studio-packs-layout {
    display: grid;
    grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
    gap: var(--admin-space-4);
    align-items: start;
}

#adminTabStudio .studio-pack-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: min(70vh, 640px);
    overflow: auto;
    padding-right: 2px;
}

#adminTabStudio .studio-pack-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
    text-align: left;
    padding: 12px 14px;
    border-radius: var(--admin-radius-md);
    border: 1px solid var(--admin-border);
    background: var(--admin-surface-card);
    color: var(--admin-text);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}

#adminTabStudio .studio-pack-item:hover {
    background: var(--admin-surface-hover);
    border-color: var(--admin-text-faint);
}

#adminTabStudio .studio-pack-item.is-active {
    border-color: var(--admin-border-strong);
    box-shadow: 0 0 0 2px var(--admin-focus-ring);
    background: var(--admin-surface-hover);
}

#adminTabStudio .studio-pack-item__name {
    font-size: 14px;
    font-weight: 700;
    line-height: 1.25;
}

#adminTabStudio .studio-pack-item__meta {
    font-size: 12px;
    color: var(--admin-text-muted);
    line-height: 1.3;
}

#adminTabStudio .studio-pack-item__slug {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 11px;
    color: var(--admin-text-secondary);
}

#adminTabStudio .studio-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.02em;
    border: 1px solid var(--admin-border);
    background: var(--admin-chip-fill);
    color: var(--admin-text-secondary);
}

#adminTabStudio .studio-badge--on {
    border-color: var(--admin-success-border);
    background: var(--admin-success-muted);
    color: var(--admin-success);
}

#adminTabStudio .studio-badge--off {
    border-color: var(--admin-border);
    color: var(--admin-text-muted);
}

#adminTabStudio .studio-pack-detail {
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-md);
    background: var(--admin-surface-card);
    padding: var(--admin-space-4);
}

#adminTabStudio .studio-pack-detail.is-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 220px;
    color: var(--admin-text-muted);
    font-size: 13px;
}

#adminTabStudio .studio-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--admin-space-3);
}

#adminTabStudio .studio-form-grid .form-group {
    margin: 0;
}

#adminTabStudio .studio-form-grid .form-group--full {
    grid-column: 1 / -1;
}

#adminTabStudio .studio-form-grid label {
    display: block;
    margin-bottom: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--admin-text-secondary);
}

#adminTabStudio .studio-form-grid input[type='text'],
#adminTabStudio .studio-form-grid input[type='password'],
#adminTabStudio .studio-filter-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--admin-border-strong);
    border-radius: var(--admin-radius-sm);
    background: var(--admin-bg-elevated);
    color: var(--admin-text);
    font-size: 14px;
}

#adminTabStudio .studio-form-grid input:focus,
#adminTabStudio .studio-filter-input:focus {
    outline: 3px solid var(--admin-focus-ring);
    border-color: var(--admin-border-strong);
}

#adminTabStudio .studio-check-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 22px;
    font-size: 13px;
    color: var(--admin-text);
}

#adminTabStudio .studio-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: var(--admin-space-4);
}

#adminTabStudio .studio-skin.asr-skin--composing #studioViewParts,
#adminTabStudio .studio-skin.asr-skin--composing #studioViewPacks,
#adminTabStudio .studio-skin.asr-skin--composing #studioViewLive,
#adminTabStudio .studio-skin.asr-skin--composing #studioViewAnalytics {
    display: none !important;
}

#adminTabStudio .asr-composition {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    min-height: 72px;
    padding: 10px;
    border: 1px solid var(--admin-border);
    border-radius: 10px;
    background: var(--admin-preview-well-deep);
}

#adminTabStudio .studio-link-box {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: var(--admin-radius-sm);
    border: 1px solid var(--admin-border);
    background: var(--admin-preview-well);
}

#adminTabStudio .studio-link-box code {
    flex: 1 1 auto;
    font-size: 12px;
    color: var(--admin-text-secondary);
    word-break: break-all;
}

#adminTabStudio .studio-compose {
    margin-top: var(--admin-space-5);
    padding-top: var(--admin-space-4);
    border-top: 1px solid var(--admin-border);
}

#adminTabStudio .studio-compose__head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--admin-space-3);
    margin-bottom: var(--admin-space-3);
}

#adminTabStudio .studio-split-stack {
    display: grid;
    gap: var(--admin-space-5);
}

#adminTabStudio .studio-panel-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--admin-space-3);
    margin-bottom: var(--admin-space-3);
}

#adminTabStudio .studio-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

#adminTabStudio .studio-filters label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--admin-text-secondary);
}

#adminTabStudio .studio-filter-select {
    min-width: 160px;
    padding: 8px 10px;
    border: 1px solid var(--admin-border-strong);
    border-radius: var(--admin-radius-sm);
    background: var(--admin-bg-elevated);
    color: var(--admin-text);
    font-size: 13px;
}

#adminTabStudio .studio-filter-select:focus {
    outline: 3px solid var(--admin-focus-ring);
    border-color: var(--admin-border-strong);
}

#adminTabStudio .studio-queue {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

#adminTabStudio .studio-queue-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 10px 14px;
    align-items: center;
    padding: 12px 14px;
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-md);
    background: var(--admin-surface-card);
}

#adminTabStudio .studio-queue-row__code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 13px;
    font-weight: 700;
}

#adminTabStudio .studio-queue-row__name {
    font-size: 14px;
    font-weight: 600;
}

#adminTabStudio .studio-queue-row__meta {
    grid-column: 2 / 3;
    font-size: 12px;
    color: var(--admin-text-muted);
}

#adminTabStudio .studio-status {
    justify-self: end;
}

#adminTabStudio .studio-status--queued {
    border-color: var(--admin-info-border);
    background: var(--admin-info-muted);
    color: var(--admin-info);
}

#adminTabStudio .studio-status--claimed {
    border-color: var(--admin-warning-border);
    background: var(--admin-warning-muted);
    color: var(--admin-warning);
}

#adminTabStudio .studio-status--engraved {
    border-color: var(--admin-success-border);
    background: var(--admin-success-muted);
    color: var(--admin-success);
}

#adminTabStudio .studio-status--expired,
#adminTabStudio .studio-status--failed {
    border-color: var(--admin-danger-border);
    background: var(--admin-danger-muted);
    color: var(--admin-danger);
}

#adminTabStudio .studio-engraved-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--admin-space-3);
}

#adminTabStudio .studio-engraved-card {
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-md);
    background: var(--admin-surface-card);
    overflow: hidden;
}

#adminTabStudio .studio-engraved-thumb {
    aspect-ratio: 54 / 86;
    background: var(--admin-preview-well-deep);
    display: flex;
    align-items: center;
    justify-content: center;
}

#adminTabStudio .studio-engraved-thumb img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

#adminTabStudio .studio-engraved-body {
    padding: 10px 12px 12px;
}

#adminTabStudio .studio-engraved-body strong {
    display: block;
    font-size: 13px;
    margin-bottom: 2px;
}

#adminTabStudio .studio-engraved-body .admin-muted,
#adminTabStudio .studio-engraved-meta {
    font-size: 11px;
    color: var(--admin-text-muted);
    line-height: 1.35;
}

#adminTabStudio .studio-stats-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

#adminTabStudio .studio-stats-table th,
#adminTabStudio .studio-stats-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--admin-border-subtle);
    text-align: left;
}

#adminTabStudio .studio-stats-table th {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--admin-text-muted);
    font-weight: 700;
}

#adminTabStudio .studio-stats-table td:nth-child(3),
#adminTabStudio .studio-stats-table td:nth-child(4),
#adminTabStudio .studio-stats-table th:nth-child(3),
#adminTabStudio .studio-stats-table th:nth-child(4) {
    text-align: center;
}

#adminTabStudio .studio-stats-wrap {
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-md);
    overflow: hidden;
    background: var(--admin-surface-card);
}

/* В наборах — квадратные превью стикеров (не card 54×86 из Библиотеки) */
#adminTabStudio .asr-thumb--compact {
    flex: 0 0 64px;
    width: 64px;
    max-width: 64px;
}

#adminTabStudio .asr-thumb--compact .asr-thumb__media {
    padding-bottom: 100%;
}

@media (max-width: 900px) {
    #adminTabStudio .studio-packs-layout {
        grid-template-columns: 1fr;
    }

    #adminTabStudio .studio-pack-list {
        max-height: none;
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 4px;
    }

    #adminTabStudio .studio-pack-item {
        min-width: 200px;
    }

    #adminTabStudio .studio-form-grid {
        grid-template-columns: 1fr;
    }

    #adminTabStudio .studio-queue-row {
        grid-template-columns: 1fr auto;
    }

    #adminTabStudio .studio-queue-row__meta {
        grid-column: 1 / -1;
    }
}

#adminTabStudio .studio-testing-block {
    margin-top: var(--admin-space-5);
    padding-top: var(--admin-space-4);
    border-top: 1px solid var(--admin-border);
}

#adminTabStudio .studio-testing-block--compact {
    padding: var(--admin-space-3);
    border: 1px dashed var(--admin-border);
    border-radius: var(--admin-radius-md, 10px);
    background: var(--admin-surface-card);
}

#adminTabStudio .studio-subsection-title {
    margin: 0 0 var(--admin-space-3);
    font-size: 13px;
    font-weight: var(--admin-font-weight-bold);
    color: var(--admin-text);
}

#adminTabStudio .studio-testing-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--admin-space-3);
    margin-bottom: var(--admin-space-3);
}

#adminTabStudio .studio-chip-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

#adminTabStudio .studio-chip {
    border: 1px solid var(--admin-border);
    border-radius: 999px;
    padding: 6px 12px;
    font-size: var(--admin-font-size-sm);
    background: var(--admin-surface-card);
    color: var(--admin-text);
    cursor: pointer;
}

#adminTabStudio .studio-chip.is-active {
    border-color: var(--admin-focus-ring);
    box-shadow: 0 0 0 1px var(--admin-focus-ring);
}

#adminTabStudio .studio-templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--admin-space-3);
    margin-top: var(--admin-space-3);
}

#adminTabStudio .studio-template-card {
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-md, 10px);
    overflow: hidden;
    background: var(--admin-surface-card);
    display: flex;
    flex-direction: column;
}

#adminTabStudio .studio-template-card__thumb {
    aspect-ratio: 54 / 86;
    background: var(--admin-surface-muted);
    display: flex;
    align-items: center;
    justify-content: center;
}

#adminTabStudio .studio-template-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

#adminTabStudio .studio-template-card__body {
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: var(--admin-font-size-sm);
}

#adminTabStudio .studio-template-card__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

#adminTabStudio .studio-badge--warn {
    background: rgba(251, 191, 36, 0.18);
    color: #fbbf24;
}

#adminTabStudio .studio-templates-upload {
    margin-top: var(--admin-space-3);
}

#adminTabStudio .studio-templates-upload__label {
    display: block;
    font-size: var(--admin-font-size-sm);
    color: var(--admin-text-muted);
    margin-bottom: 4px;
}

#adminTabStudio .studio-prod-picker {
    max-height: 280px;
    overflow: auto;
    margin: var(--admin-space-3) 0;
}

/* ===== Studio pool redesign (sticky chrome, board, designs) ===== */

#adminTabStudio .studio-sticky-subtabs {
    position: sticky;
    top: calc(var(--admin-header-height, 64px) + var(--admin-tabs-height, 48px));
    z-index: 25;
    background: var(--admin-surface-muted);
    border-bottom: 1px solid var(--admin-border);
}

#adminTabStudio .studio-sticky-subtabs .asr-subtabs {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 6px;
    -webkit-overflow-scrolling: touch;
}

#adminTabStudio .studio-sticky-subtabs .asr-subtab {
    flex: 0 0 auto;
    width: auto;
}

#adminTabStudio .studio-tab-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.4em;
    margin-left: 6px;
    padding: 0 5px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 700;
    line-height: 1.4;
    background: var(--admin-primary, #2563eb);
    color: #fff;
}

#adminTabStudio .studio-action-bar {
    position: sticky;
    top: calc(var(--admin-header-height, 64px) + var(--admin-tabs-height, 48px) + var(--studio-subtabs-height, 48px));
    z-index: 24;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 10px;
    padding: 10px 12px;
    background: var(--admin-surface-muted);
    border-bottom: 1px solid var(--admin-border);
}

#adminTabStudio .studio-action-bar[hidden] {
    display: none !important;
}

#adminTabStudio .studio-action-bar__search-wrap {
    flex: 1 1 180px;
    min-width: 140px;
    max-width: 320px;
}

#adminTabStudio .studio-action-bar__search-wrap .asr-search {
    width: 100%;
    max-width: none;
    margin: 0;
}

#adminTabStudio .studio-action-bar__cluster {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

#adminTabStudio .studio-action-bar__count,
#adminTabStudio .studio-action-bar__counter {
    font-size: var(--admin-font-size-sm);
    color: var(--admin-text-muted);
    white-space: nowrap;
}

#adminTabStudio .studio-action-bar__danger {
    color: var(--admin-danger, #dc2626);
}

@media (pointer: coarse) {
    #adminTabStudio .studio-action-bar .asr-btn {
        min-height: 44px;
        min-width: 44px;
    }
}

#adminTabStudio .studio-os-drop-cue {
    position: sticky;
    top: calc(var(--admin-header-height, 64px) + var(--admin-tabs-height, 48px) + var(--studio-subtabs-height, 48px) + var(--studio-actionbar-height, 52px));
    z-index: 23;
    padding: 8px 12px;
    font-size: var(--admin-font-size-sm);
    text-align: center;
    background: var(--admin-info-muted, rgba(59, 130, 246, 0.15));
    color: var(--admin-info, #3b82f6);
    border-bottom: 1px solid var(--admin-info-border, rgba(59, 130, 246, 0.35));
}

#adminTabStudio .studio-os-drop-cue[hidden] {
    display: none !important;
}

/* Parts board */
#adminTabStudio .studio-parts-board {
    display: flex;
    flex-direction: column;
    gap: var(--admin-space-3);
    margin-top: var(--admin-space-3);
}

#adminTabStudio .studio-board-section {
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-md, 10px);
    background: var(--admin-surface-card);
    overflow: visible;
}

#adminTabStudio .studio-board-section--inbox {
    border-style: dashed;
    background: var(--admin-surface-muted);
}

#adminTabStudio .studio-board-section__head {
    position: sticky;
    top: calc(var(--admin-header-height, 64px) + var(--admin-tabs-height, 48px) + var(--studio-subtabs-height, 48px) + var(--studio-actionbar-height, 52px));
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: var(--admin-surface-card);
    border-bottom: 1px solid var(--admin-border-subtle, var(--admin-border));
    border-radius: var(--admin-radius-md, 10px) var(--admin-radius-md, 10px) 0 0;
}

#adminTabStudio .studio-board-section--inbox .studio-board-section__head {
    background: var(--admin-surface-muted);
}

#adminTabStudio .studio-board-section.is-collapsed .studio-board-section__head {
    border-bottom: none;
    border-radius: var(--admin-radius-md, 10px);
}

#adminTabStudio .studio-board-section__chevron {
    flex: 0 0 auto;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--admin-text-muted);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
}

@media (pointer: coarse) {
    #adminTabStudio .studio-board-section__chevron,
    #adminTabStudio .studio-board-section__menu {
        width: 44px;
        height: 44px;
    }
}

#adminTabStudio .studio-board-section__title {
    flex: 1 1 auto;
    min-width: 0;
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#adminTabStudio .studio-board-section__title.is-editing,
#adminTabStudio .studio-part__caption.is-editing {
    outline: 2px solid var(--admin-focus-ring);
    border-radius: 4px;
    padding: 0 4px;
}

#adminTabStudio .studio-board-section__count {
    flex: 0 0 auto;
    font-size: 12px;
    color: var(--admin-text-muted);
    font-variant-numeric: tabular-nums;
}

#adminTabStudio .studio-board-badge {
    flex: 0 0 auto;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px solid var(--admin-border);
    color: var(--admin-text-secondary);
    background: var(--admin-chip-fill, var(--admin-surface-muted));
    white-space: nowrap;
}

#adminTabStudio .studio-board-section__menu {
    flex: 0 0 auto;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--admin-text-muted);
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
}

#adminTabStudio .studio-board-section__body {
    padding: 10px 12px 12px;
}

#adminTabStudio .studio-board-section__hint,
#adminTabStudio .studio-board-section__empty {
    margin: 0 0 10px;
    font-size: var(--admin-font-size-sm);
    color: var(--admin-text-muted);
    line-height: 1.4;
}

#adminTabStudio .studio-board-section.is-drop-target {
    outline: 2px solid var(--admin-primary, #2563eb);
    outline-offset: -2px;
}

#adminTabStudio .studio-board-create-first {
    border: 1px dashed var(--admin-border-strong);
    border-radius: var(--admin-radius-md, 10px);
    padding: 28px 16px;
    text-align: center;
    color: var(--admin-text-muted);
    font-size: 13px;
    cursor: pointer;
    background: transparent;
}

#adminTabStudio .studio-board-create-first:hover,
#adminTabStudio .studio-board-create-first.is-drop-target {
    border-color: var(--admin-primary, #2563eb);
    color: var(--admin-text);
}

#adminTabStudio .studio-board-grid {
    grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
}

#adminTabStudio .studio-part__media {
    background-color: var(--admin-preview-well, #1a1f2a);
    background-image:
        linear-gradient(45deg, var(--admin-border-subtle, #2a3140) 25%, transparent 25%),
        linear-gradient(-45deg, var(--admin-border-subtle, #2a3140) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--admin-border-subtle, #2a3140) 75%),
        linear-gradient(-45deg, transparent 75%, var(--admin-border-subtle, #2a3140) 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}

#adminTabStudio .studio-part .asr-thumb__name,
#adminTabStudio .studio-part__caption {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 12px;
    line-height: 1.3;
    max-height: none;
    -webkit-line-clamp: unset;
}

#adminTabStudio .studio-part:hover {
    border-color: var(--admin-border-strong);
    box-shadow: none;
    transform: none;
}

#adminTabStudio .studio-part.is-dragging {
    opacity: 0.45;
}

#adminTabStudio .studio-part.studio-insert-before {
    box-shadow: inset 2px 0 0 var(--admin-primary, #2563eb);
}

#adminTabStudio .studio-part.studio-insert-append {
    box-shadow: inset -2px 0 0 var(--admin-primary, #2563eb);
}

#adminTabStudio .studio-inline-create {
    margin-bottom: 12px;
    padding: 12px;
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
    background: var(--admin-bg-elevated, var(--admin-surface-card));
}

#adminTabStudio .studio-inline-create--dashed {
    border-style: dashed;
}

#adminTabStudio .studio-inline-create__input {
    width: 100%;
    max-width: none;
    margin: 0 0 10px;
}

#adminTabStudio .studio-inline-create__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* Popover / ghost / marquee */
.studio-popover {
    position: fixed;
    z-index: 85;
    min-width: 200px;
    max-width: 280px;
    max-height: 240px;
    overflow: auto;
    padding: 6px;
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-md, 10px);
    background: var(--admin-surface-card, #111827);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.studio-popover__search {
    width: 100%;
    max-width: none;
    margin: 0 0 6px;
}

.studio-popover__item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 8px 10px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--admin-text);
    font-size: 13px;
    cursor: pointer;
}

.studio-popover__item:hover:not(:disabled) {
    background: var(--admin-surface-hover);
}

.studio-popover__item:disabled {
    opacity: 0.55;
    cursor: default;
}

.studio-popover__item--sep {
    margin-top: 4px;
    border-top: 1px solid var(--admin-border);
    border-radius: 0 0 6px 6px;
}

.studio-popover__item--danger {
    color: var(--admin-danger, #dc2626);
}

.studio-drag-ghost {
    position: fixed;
    z-index: 80;
    pointer-events: none;
    width: 72px;
    height: 72px;
}

.studio-drag-ghost__stack {
    position: absolute;
    inset: 0;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--admin-border);
    background: var(--admin-preview-well);
}

.studio-drag-ghost__stack img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.studio-drag-ghost__badge {
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    border-radius: 999px;
    background: var(--admin-primary, #2563eb);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.studio-marquee {
    position: fixed;
    z-index: 70;
    pointer-events: none;
    border: 1px solid var(--admin-primary, #2563eb);
    background: rgba(37, 99, 235, 0.12);
}

/* Confirm + undo */
#adminTabStudio .studio-confirm-backdrop {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(0, 0, 0, 0.45);
}

#adminTabStudio .studio-confirm-backdrop[hidden] {
    display: none !important;
}

#adminTabStudio .studio-confirm {
    width: min(420px, 100%);
    padding: 20px;
    border-radius: var(--admin-radius-lg, 14px);
    border: 1px solid var(--admin-border);
    background: var(--admin-surface-card);
    color: var(--admin-text);
}

#adminTabStudio .studio-confirm__title {
    margin: 0 0 8px;
    font-size: 16px;
}

#adminTabStudio .studio-confirm__text {
    margin: 0 0 16px;
    font-size: 13px;
    color: var(--admin-text-muted);
    line-height: 1.45;
}

#adminTabStudio .studio-confirm__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
}

#adminTabStudio .studio-confirm__danger {
    background: var(--admin-danger, #dc2626);
    border-color: var(--admin-danger, #dc2626);
    color: #fff;
}

#adminTabStudio .studio-undo-chip {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    z-index: 30;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid var(--admin-border);
    background: var(--admin-surface-card);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    font-size: 13px;
    color: var(--admin-text);
}

#adminTabStudio .studio-undo-chip[hidden] {
    display: none !important;
}

/* Designs */
#adminTabStudio .studio-design-card {
    cursor: pointer;
    transition: border-color 0.15s;
}

#adminTabStudio .studio-design-card:hover {
    border-color: var(--admin-border-strong);
}

#adminTabStudio .studio-design-card.is-selected {
    box-shadow: 0 0 0 2px var(--admin-focus-ring);
    border-color: var(--admin-border-strong);
}

#adminTabStudio .studio-design-card__code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 12px;
    font-weight: 700;
}

#adminTabStudio .studio-design-card__name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#adminTabStudio .studio-load-more-wrap {
    margin-top: var(--admin-space-3);
    display: flex;
    justify-content: center;
}

#adminTabStudio .studio-load-more-wrap[hidden],
#adminTabStudio .studio-load-more-wrap .asr-btn[hidden] {
    display: none !important;
}

#adminTabStudio .studio-design-detail-backdrop {
    position: fixed;
    top: 112px;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    overflow-y: auto;
    background: var(--admin-overlay, rgba(14, 14, 16, 0.82));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

#adminTabStudio .studio-design-detail-backdrop[hidden] {
    display: none !important;
}

#adminTabStudio .studio-design-detail__preview {
    display: flex;
    flex-direction: column;
    background: var(--admin-preview-well-deep, #0b1220);
}

#adminTabStudio .studio-design-detail__preview-inner {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    padding: 16px;
}

#adminTabStudio .studio-design-detail__preview-inner img {
    max-width: 100%;
    max-height: min(60vh, 480px);
    object-fit: contain;
}

#adminTabStudio .studio-design-detail__nav {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 12px 12px;
}

#adminTabStudio .studio-code-copy {
    border: none;
    background: transparent;
    color: var(--admin-primary, #2563eb);
    cursor: pointer;
    font: inherit;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    padding: 0;
}

@media (pointer: coarse) {
    #adminTabStudio .studio-design-detail .asr-pool-detail__close {
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 900px) {
    #adminTabStudio .studio-action-bar {
        top: calc(var(--admin-header-height, 58px) + var(--admin-tabs-height, 46px) + var(--studio-subtabs-height, 46px));
    }

    #adminTabStudio .studio-sticky-subtabs {
        top: calc(var(--admin-header-height, 58px) + var(--admin-tabs-height, 46px));
    }

    #adminTabStudio .studio-board-section__head {
        top: calc(var(--admin-header-height, 58px) + var(--admin-tabs-height, 46px) + var(--studio-subtabs-height, 46px) + var(--studio-actionbar-height, 52px));
    }
}

@media (max-width: 760px) {
    #adminTabStudio .studio-design-detail {
        flex-direction: column;
    }
}