.task-board-toolbar {
    margin-bottom: 0.75rem;
}

.task-board-toolbar__row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1rem;
}

.task-board-toolbar__label {
    flex: 0 0 auto;
    white-space: nowrap;
    color: var(--mud-palette-text-secondary);
}

.task-board-toolbar__modes {
    flex: 0 1 auto;
    min-width: 0;
}

.task-board-toolbar__members {
    flex: 1 1 100%;
    min-width: 0;
}

.task-board {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    align-items: flex-start;
}

.task-board-lane {
    flex: 0 0 220px;
    width: 220px;
    max-width: 220px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    background: color-mix(in srgb, var(--mud-palette-surface) 92%, var(--mud-palette-primary) 8%);
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: var(--mud-default-borderradius, 4px);
    padding: 0.5rem;
    transition: background-color 0.15s ease, outline-color 0.15s ease;
}

.task-board-lane--drag-over {
    outline: 2px dashed var(--mud-palette-primary);
    outline-offset: -2px;
    background: color-mix(in srgb, var(--mud-palette-primary) 12%, var(--mud-palette-surface) 88%);
}

.task-board-lane__header {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex: 0 0 auto;
    min-height: 2rem;
    padding: 0 0.15rem 0.35rem;
    border-bottom: 1px solid var(--mud-palette-lines-default);
}

.task-board-lane__title {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 600;
}

.task-board-lane__status-icon {
    flex-shrink: 0;
}

.task-board-lane__person-chip {
    min-width: 0;
    max-width: 100%;
}

.task-board-lane__count {
    flex-shrink: 0;
    color: var(--mud-palette-text-secondary);
}

.task-board-lane__cards {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 0 1 auto;
    padding-right: 0.1rem;
    border-radius: var(--mud-default-borderradius, 4px);
}

.task-board-card {
    position: relative;
    cursor: pointer;
    border-radius: var(--mud-default-borderradius, 4px);
    border: 1px solid var(--mud-palette-lines-default);
    background: var(--mud-palette-surface);
    padding: 0.45rem 0.5rem 0.4rem 0.65rem;
    border-left-width: 3px;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.task-board-card:hover {
    transform: translateY(-1px);
    box-shadow: var(--mud-elevation-4);
}

.task-board-card:active {
    transform: translateY(0) scale(0.98);
    box-shadow: var(--mud-elevation-1);
    background: color-mix(in srgb, var(--mud-palette-surface) 92%, var(--mud-palette-primary) 8%);
}

.task-board-card--dragging {
    opacity: 0.45;
    transform: scale(0.98);
    box-shadow: var(--mud-elevation-8);
}

.task-board-card--drag-anchor {
    opacity: 1;
    transform: scale(1.02);
    z-index: 20;
    box-shadow: var(--mud-elevation-12);
}

.task-board-card--drag-anchor::before,
.task-board-card--drag-anchor::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 1px solid var(--mud-palette-lines-default);
    border-left-width: 3px;
    border-left-color: inherit;
    background: var(--mud-palette-surface);
    pointer-events: none;
}

.task-board-card--drag-anchor::before {
    transform: translate(4px, 4px);
    opacity: 0.72;
    z-index: -1;
}

.task-board-card--drag-anchor::after {
    transform: translate(8px, 8px);
    opacity: 0.45;
    z-index: -2;
}

.task-board-card__batch-badge {
    position: absolute;
    top: -0.45rem;
    right: -0.4rem;
    min-width: 1.35rem;
    height: 1.35rem;
    padding: 0 0.35rem;
    border-radius: 999px;
    background: var(--mud-palette-primary);
    color: var(--mud-palette-primary-text, #fff);
    font-size: 0.6875rem;
    font-weight: 700;
    line-height: 1.35rem;
    text-align: center;
    z-index: 2;
    box-shadow: var(--mud-elevation-6);
    pointer-events: none;
}

.task-board-card[draggable="true"] {
    cursor: grab;
    user-select: none;
    -webkit-user-drag: element;
    touch-action: none;
}

.task-board-card[draggable="true"] * {
    pointer-events: none;
    user-select: none;
}

.task-board-card[draggable="true"]:active {
    cursor: grabbing;
}

.task-board-card--selected {
    outline: 2px solid var(--mud-palette-primary);
    outline-offset: -1px;
    background: color-mix(in srgb, var(--mud-palette-primary) 10%, var(--mud-palette-surface));
    box-shadow: var(--mud-elevation-2);
}

.task-board-card--selected:hover {
    box-shadow: var(--mud-elevation-6);
}

.task-board-card--low { border-left-color: var(--mud-palette-info); }
.task-board-card--normal { border-left-color: var(--mud-palette-primary); }
.task-board-card--high { border-left-color: var(--mud-palette-warning); }
.task-board-card--urgent { border-left-color: var(--mud-palette-error); }

.task-board-card__icons {
    position: absolute;
    top: 0.25rem;
    right: 0.25rem;
    display: flex;
    gap: 0.15rem;
    opacity: 0.85;
}

.task-board-card__title {
    font-size: 0.8125rem;
    line-height: 1.35;
    font-weight: 600;
    color: var(--mud-palette-text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    padding-right: 1.25rem;
    margin-bottom: 0.35rem;
}

.task-board-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.25rem;
    min-width: 0;
}

.task-board-card__due {
    flex: 1 1 auto;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--mud-palette-text-secondary);
}

.task-board-card__due--overdue {
    color: var(--mud-palette-error);
    font-weight: 600;
}

.task-board-card__due--empty {
    font-style: italic;
}

.task-board-card__priority {
    flex: 0 0 auto;
    max-width: 45%;
}

.task-board-card__priority ::deep .mud-chip-content {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (max-width: 600px) {
    .task-board-lane {
        flex-basis: 200px;
        width: 200px;
        max-width: 200px;
    }
}