@layer lu-components {
  /* ==========================================================================
     LuDataGrid
     ========================================================================== */

  .lu-data-grid__container {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--lu-color-border);
    border-radius: var(--lu-radius-card);
    overflow: hidden;
    background: var(--lu-color-surface-raised);
    width: 100%;
  }

  .lu-data-grid__toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--lu-space-3) var(--lu-space-4);
    border-bottom: 1px solid var(--lu-color-border);
    background: var(--lu-color-surface);
    min-height: 3.5rem;
    gap: var(--lu-space-3);
  }

  .lu-data-grid__search-input {
    height: 2rem;
    padding: 0 var(--lu-space-3);
    border: 1px solid var(--lu-color-border);
    border-radius: var(--lu-radius-3);
    background: var(--lu-color-surface);
    color: var(--lu-color-text);
    font-size: var(--lu-text-sm);
    outline: none;
    min-width: 14rem;
    transition: border-color var(--lu-duration-base);
  }

  .lu-data-grid__search-input:focus {
    border-color: var(--lu-color-border-focus);
  }

  .lu-data-grid__selection-bar {
    display: flex;
    align-items: center;
    gap: var(--lu-space-2);
    font-size: var(--lu-text-sm);
    color: var(--lu-color-text-muted);
  }

  .lu-data-grid__selection-bar-count {
    font-weight: var(--lu-font-semibold);
    color: var(--lu-color-text);
  }

  .lu-data-grid__selection-bar-action {
    color: var(--lu-color-primary);
    cursor: pointer;
    font-weight: var(--lu-font-medium);
    text-decoration: underline;
  }

  .lu-data-grid__selection-bar-action:hover {
    opacity: 0.8;
  }

  .lu-data-grid__scroll-area {
    overflow-x: auto;
    overflow-y: auto;
    flex: 1;
  }

  .lu-data-grid__table {
    width: 100%;
    border-collapse: collapse;
    table-layout: auto;
  }

  .lu-data-grid__head {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--lu-color-surface-sunken);
  }

  .lu-data-grid__header-cell {
    padding: var(--lu-space-2) var(--lu-space-3);
    text-align: left;
    font-size: var(--lu-text-xs);
    font-weight: var(--lu-font-semibold);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--lu-color-text-muted);
    border-bottom: 1px solid var(--lu-color-border);
    white-space: nowrap;
    user-select: none;
  }

  .lu-data-grid__header-cell--sortable {
    cursor: pointer;
    transition: color var(--lu-duration-fast);
  }

  .lu-data-grid__header-cell--sortable:hover {
    color: var(--lu-color-text);
  }

  .lu-data-grid__sort-icon {
    display: inline-flex;
    opacity: 0.3;
    margin-left: var(--lu-space-1);
  }

  .lu-data-grid__sort-icon--asc,
  .lu-data-grid__sort-icon--desc {
    opacity: 1;
    color: var(--lu-color-primary);
  }

  .lu-data-grid__row {
    transition: background var(--lu-duration-fast);
    border-bottom: 1px solid var(--lu-color-border);
  }

  .lu-data-grid__row:hover {
    background: var(--lu-color-surface-hover);
  }

  .lu-data-grid__row[data-selected="true"] {
    background: color-mix(in srgb, var(--lu-color-primary) 5%, transparent);
  }

  .lu-data-grid__cell {
    padding: var(--lu-space-2) var(--lu-space-3);
    font-size: var(--lu-text-sm);
    color: var(--lu-color-text);
    vertical-align: middle;
  }

  .lu-data-grid__cell--editing {
    padding: var(--lu-space-1) var(--lu-space-2);
    background: color-mix(in srgb, var(--lu-color-primary) 5%, transparent);
  }

  .lu-data-grid__checkbox-cell {
    width: 2.5rem;
    padding: var(--lu-space-2) var(--lu-space-3);
    vertical-align: middle;
  }

  .lu-data-grid__group-row {
    background: var(--lu-color-surface-sunken);
  }

  .lu-data-grid__group-cell {
    padding: var(--lu-space-1) var(--lu-space-3);
  }

  .lu-data-grid__empty {
    padding: var(--lu-space-16) var(--lu-space-4);
    text-align: center;
    vertical-align: middle;
    color: var(--lu-color-text-muted);
  }

  .lu-data-grid__empty-icon {
    display: block;
    margin: 0 auto var(--lu-space-3);
    opacity: 0.3;
  }

  .lu-data-grid__filter-row {
    background: var(--lu-color-surface-sunken);
    border-bottom: 1px solid var(--lu-color-border);
  }

  .lu-data-grid__filter-cell {
    padding: var(--lu-space-1) var(--lu-space-2);
  }

  .lu-data-grid__filter-input,
  .lu-data-grid__filter-select {
    width: 100%;
    height: 1.75rem;
    padding: 0 var(--lu-space-2);
    border: 1px solid var(--lu-color-border);
    border-radius: var(--lu-radius-2);
    background: var(--lu-color-surface);
    color: var(--lu-color-text);
    font-size: var(--lu-text-xs);
    outline: none;
  }

  .lu-data-grid__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--lu-space-3) var(--lu-space-4);
    border-top: 1px solid var(--lu-color-border);
    background: var(--lu-color-surface);
  }

  .lu-data-grid-header-cell--frozen,
  .lu-data-grid-cell--frozen {
    position: sticky;
    z-index: 1;
    box-shadow: 2px 0 4px rgb(0 0 0 / 0.04);
  }

  /* ==========================================================================
     LuKanban
     ========================================================================== */

  .lu-kanban {
    width: 100%;
    overflow: hidden;
  }

  .lu-kanban__board {
    display: flex;
    gap: var(--lu-space-4);
    overflow-x: auto;
    padding-bottom: var(--lu-space-4);
    min-height: 24rem;
  }

  .lu-kanban__column {
    display: flex;
    flex-direction: column;
    min-width: 17rem;
    max-width: 20rem;
    flex-shrink: 0;
    border: 1px solid var(--lu-color-border);
    border-radius: var(--lu-radius-card);
    background: var(--lu-color-surface-raised);
    overflow: hidden;
  }

  .lu-kanban__column-header {
    display: flex;
    align-items: center;
    gap: var(--lu-space-2);
    padding: var(--lu-space-3) var(--lu-space-4);
    border-bottom: 1px solid var(--lu-color-border);
    background: var(--lu-color-surface-sunken);
  }

  .lu-kanban__column-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: var(--lu-radius-full);
    background: var(--lu-color-text-muted);
    flex-shrink: 0;
  }

  .lu-kanban__column-title {
    font-weight: var(--lu-font-semibold);
    font-size: var(--lu-text-sm);
    flex: 1;
    color: var(--lu-color-text);
  }

  .lu-kanban__column-count {
    font-size: var(--lu-text-xs);
    color: var(--lu-color-text-muted);
  }

  .lu-kanban__add-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: var(--lu-radius-2);
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--lu-color-text-muted);
    transition: background var(--lu-duration-fast);
  }

  .lu-kanban__add-button:hover {
    background: var(--lu-color-surface-hover);
    color: var(--lu-color-text);
  }

  .lu-kanban__column-body {
    display: flex;
    flex-direction: column;
    gap: var(--lu-space-2);
    padding: var(--lu-space-3);
    overflow-y: auto;
    flex: 1;
  }

  .lu-kanban__card {
    border: 1px solid var(--lu-color-border);
    border-radius: var(--lu-radius-3);
    padding: var(--lu-space-3);
    background: var(--lu-color-surface);
    cursor: pointer;
    transition: box-shadow var(--lu-duration-base);
    outline: none;
  }

  .lu-kanban__card:hover {
    box-shadow: var(--lu-shadow-md);
  }

  .lu-kanban__card:focus-visible {
    outline: 2px solid var(--lu-color-border-focus);
  }

  .lu-kanban__card-title {
    font-size: var(--lu-text-sm);
    font-weight: var(--lu-font-medium);
    color: var(--lu-color-text-base);
  }

  .lu-kanban__card-description {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .lu-kanban__card-footer {
    display: flex;
    align-items: center;
    gap: var(--lu-space-2);
    flex-wrap: wrap;
    margin-top: var(--lu-space-2);
  }

  .lu-kanban__card-due-date {
    margin-left: auto;
    display: flex;
    gap: var(--lu-space-1);
    align-items: center;
  }

  .lu-kanban__empty-column {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--lu-space-6);
    color: var(--lu-color-text-disabled);
    font-size: var(--lu-text-sm);
    border: 2px dashed var(--lu-color-border);
    border-radius: var(--lu-radius-3);
    min-height: 5rem;
  }

  /* ==========================================================================
     LuPlanner
     ========================================================================== */

  .lu-planner {
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid var(--lu-color-border);
    border-radius: var(--lu-radius-card);
    overflow: hidden;
    background: var(--lu-color-surface-raised);
  }

  .lu-planner__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--lu-space-3) var(--lu-space-4);
    border-bottom: 1px solid var(--lu-color-border);
    background: var(--lu-color-surface-sunken);
    flex-shrink: 0;
  }

  .lu-planner__week-label {
    font-weight: var(--lu-font-semibold);
    font-size: var(--lu-text-sm);
    color: var(--lu-color-text);
  }

  .lu-planner__grid {
    display: flex;
    overflow-y: auto;
    overflow-x: auto;
    flex: 1;
  }

  .lu-planner__time-gutter {
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    width: 4.5rem;
    border-right: 1px solid var(--lu-color-border);
    background: var(--lu-color-surface);
  }

  .lu-planner__time-cell {
    height: 4rem;
    position: relative;
    border-bottom: 1px solid var(--lu-color-border);
  }

  .lu-planner__time-label {
    position: absolute;
    top: -0.5rem;
    right: 0.5rem;
    font-size: 0.6875rem;
    color: var(--lu-color-text-muted);
    white-space: nowrap;
  }

  .lu-planner__day-column {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 7rem;
    border-right: 1px solid var(--lu-color-border);
    position: relative;
  }

  .lu-planner__day-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 3rem;
    flex-shrink: 0;
    border-bottom: 1px solid var(--lu-color-border);
    background: var(--lu-color-surface);
    position: sticky;
    top: 0;
    z-index: 1;
  }

  .lu-planner__day-header--today {
    background: color-mix(in srgb, var(--lu-color-primary) 5%, var(--lu-color-surface));
  }

  .lu-planner__hour-cell {
    height: 4rem;
    cursor: pointer;
    border-bottom: 1px solid var(--lu-color-border);
  }

  .lu-planner__hour-cell:hover {
    background: var(--lu-color-surface-hover);
  }

  .lu-planner__event {
    position: absolute;
    left: 0.25rem;
    right: 0.25rem;
    border-left-width: 3px;
    border-radius: var(--lu-radius-2);
    padding: 0.25rem 0.375rem;
    overflow: hidden;
    cursor: pointer;
    transition: opacity var(--lu-duration-fast);
  }

  .lu-planner__event:hover {
    opacity: 0.85;
  }

  /* ==========================================================================
     LuMediaGallery + LuLightbox
     ========================================================================== */

  .lu-media-gallery {
    display: grid;
    gap: var(--lu-space-2);
  }

  .lu-media-gallery__item {
    position: relative;
    overflow: hidden;
    border-radius: var(--lu-radius-3);
    aspect-ratio: 1;
    cursor: pointer;
    background: var(--lu-color-surface-sunken);
  }

  .lu-media-gallery__item:hover .lu-media-gallery__item-overlay {
    opacity: 1;
  }

  .lu-media-gallery__item-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--lu-duration-slow);
  }

  .lu-media-gallery__item:hover .lu-media-gallery__item-image {
    transform: scale(1.03);
  }

  .lu-media-gallery__item-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--lu-space-2);
    opacity: 0;
    transition: opacity var(--lu-duration-base);
  }

  .lu-media-gallery__remove-button {
    position: absolute;
    top: var(--lu-space-2);
    right: var(--lu-space-2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: var(--lu-radius-full);
    border: none;
    background: rgba(0,0,0,0.6);
    color: #fff;
    cursor: pointer;
  }

  .lu-lightbox {
    position: fixed;
    inset: 0;
    z-index: var(--lu-z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .lu-lightbox__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.85);
    cursor: pointer;
  }

  .lu-lightbox__content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 90vw;
    max-height: 90vh;
  }

  .lu-lightbox__image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--lu-radius-card);
  }

  .lu-lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--lu-radius-full);
    border: none;
    background: rgba(255,255,255,0.15);
    color: #fff;
    cursor: pointer;
    transition: background var(--lu-duration-fast);
    z-index: 2;
  }

  .lu-lightbox__nav:hover {
    background: rgba(255,255,255,0.25);
  }

  .lu-lightbox__nav--prev {
    left: 1.5rem;
  }

  .lu-lightbox__nav--next {
    right: 1.5rem;
  }

  .lu-lightbox__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: var(--lu-radius-full);
    border: none;
    background: rgba(255,255,255,0.15);
    color: #fff;
    cursor: pointer;
    z-index: 2;
  }

  .lu-lightbox__caption {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.85);
    font-size: var(--lu-text-sm);
    text-align: center;
    max-width: 80%;
    z-index: 2;
  }
}