.kanban-board {
    display: flex;
    width: 100%;
    height: 100%;
    min-height: 0;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 12px;
    padding-bottom: 8px;
    align-items: stretch;
}

.kanban-board__container {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 12px;
    align-items: stretch;
    min-height: 0;
}

.kanban-board__loading-column {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 280px;
    min-height: 200px;
    background-color: var(--mud-palette-background-gray);
}

:root {
    /* Tune the drag feel here, e.g. 30deg for a strong tilt. Read by kanban.js as well. */
    --kanban-card-drag-rotation: 14deg;
}

.kanban-card {
    margin-bottom: 8px;
    padding: 8px 10px;
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: var(--mud-default-borderradius);
    background-color: var(--mud-palette-surface);
    cursor: grab;
    outline: none;
    transition: box-shadow 200ms ease, border-color 200ms ease, transform 200ms ease, opacity 200ms ease;
}

/*
 * MudBlazor puts ItemDraggingClass on the .mud-drop-item wrapper, which also carries an
 * inline transform (translate3d) that would win over ours. The visual effect is therefore
 * applied to the card inside the wrapper instead.
 */
.kanban-card--dragging {
    position: relative;
    z-index: 2;
    cursor: grabbing;
}

.kanban-card--dragging .kanban-card {
    transform: rotate(var(--kanban-card-drag-rotation)) scale(1.02);
    transform-origin: 20% 20%;
    opacity: 0.95;
    cursor: grabbing;
    border-color: var(--mud-palette-primary);
    box-shadow: var(--mud-elevation-12);
}

/*
 * Placeholder MudBlazor shows at the drop position while reordering.
 * Only opacity is animated here; the surrounding cards are moved by kanban.js (FLIP),
 * so the placeholder must take its final size immediately or the two would fight.
 */
.kanban-column__body .mud-dropitem-placeholder {
    height: 56px;
    margin-bottom: 8px;
    padding: 0;
    border: 1px dashed var(--mud-palette-lines-default);
    border-radius: var(--mud-default-borderradius);
    background-color: var(--mud-palette-action-default-hover);
    animation: kanban-placeholder-fade 280ms ease-out both;
}

@keyframes kanban-placeholder-fade {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@media (prefers-reduced-motion: reduce) {
    .kanban-card,
    .kanban-column__body .mud-dropitem-placeholder {
        transition: none;
        animation: none;
    }

    .kanban-card--dragging .kanban-card {
        transform: none;
    }
}

.kanban-card:hover {
    border-color: var(--mud-palette-primary);
    box-shadow: var(--mud-elevation-3);
    transform: translateY(-1px);
}

.kanban-card:focus-visible {
    border-color: var(--mud-palette-primary);
    box-shadow: 0 0 0 2px var(--mud-palette-primary);
}

.kanban-card--readonly {
    cursor: pointer;
}

.kanban-column {
    display: flex;
    flex-direction: column;
    flex: 0 0 auto;
    width: 280px;
    min-width: 240px;
    max-width: 320px;
    max-height: 100%;
    background-color: var(--mud-palette-background-gray);
    border-radius: var(--mud-default-borderradius);
}

.kanban-column__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--mud-palette-lines-default);
}

.kanban-column__title-text {
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.kanban-column__count {
    padding: 0 8px;
    border-radius: 10px;
    background-color: var(--mud-palette-action-default-hover);
    color: var(--mud-palette-text-secondary);
}

.kanban-column__create {
    margin-left: 4px;
}

.kanban-column__body {
    flex: 1 1 auto;
    min-height: 120px;
    overflow-y: auto;
    padding: 8px;
    border: 1px dashed transparent;
    border-radius: var(--mud-default-borderradius);
    transition: background-color 120ms ease, border-color 120ms ease;
}

.kanban-column__body--can-drop {
    opacity: 0.5;
    border-color: var(--mud-palette-primary);
    background-color: var(--mud-palette-primary-hover);
}

.kanban-column__body--no-drop {
    opacity: 0.6;
}

.kanban-column__empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 88px;
    border: 1px dashed var(--mud-palette-lines-default);
    border-radius: var(--mud-default-borderradius);
    color: var(--mud-palette-text-disabled);
    text-align: center;
}