/* Kanban board (/kanban-board): what is its own, the board (columns, cards, drag and drop) and the card editor over it.
   Everything else (stage, fields, buttons, tags, colours) comes from the app kit (css/app-kit, docs/app-kit.md).
   Loaded only on this app's page (StylePaths). */

/* The colour labels a user gives a card (the stripe on its left), the same in both themes. */
.kanban-landing-app {
    --kb-red: #ef4444;
    --kb-orange: #f97316;
    --kb-yellow: #eab308;
    --kb-green: #22c55e;
    --kb-blue: #3b82f6;
    --kb-purple: #a855f7;
}

.kanban-landing-app > .filter-landing-stage.kanban-landing-stage {
    position: relative;
    gap: var(--ak-space-3);
}

/* Full width, also where the shared narrow-screen layout (seo-pages.css, up to 960px) starts the stage's children at
   their own width: the board then scrolls sideways inside the stage instead of running off it. */
.kanban-landing-app > .filter-landing-stage.kanban-landing-stage > * {
    align-self: stretch;
}

.kanban-landing-app .kb-head {
    display: flex;
    flex-direction: column;
    gap: var(--ak-space-1);
}

.kanban-landing-app .kb-title {
    font-size: var(--ak-fs-lg);
    overflow-wrap: anywhere;
}

/* The columns sit side by side and the board scrolls sideways when they do not fit. */
.kanban-landing-app .kb-board {
    display: flex;
    align-items: flex-start;
    gap: var(--ak-space-3);
    min-width: 0;
    padding-bottom: var(--ak-space-2);
    overflow-x: auto;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
}

.kanban-landing-app .kb-col {
    display: flex;
    flex: 0 0 16.5rem;
    flex-direction: column;
    gap: var(--ak-space-2);
    max-width: 16.5rem;
    padding: 0.6rem;
    border: 1px solid var(--ak-border);
    border-radius: var(--ak-radius-lg);
    background: var(--ak-panel);
    scroll-snap-align: start;
}

.kanban-landing-app .kb-col.is-over {
    border-color: var(--ak-danger);
}

.kanban-landing-app .kb-col.is-target {
    border-color: var(--ak-accent);
    box-shadow: 0 0 0 1px var(--ak-accent);
}

.kanban-landing-app .kb-col-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
}

.kanban-landing-app .kb-col-name {
    flex: 1 1 auto;
    min-width: 0;
    margin: 0;
    color: var(--ak-text);
    font-size: 0.95rem;
    overflow-wrap: anywhere;
}

/* Over its WIP limit: the count turns solid red. */
.kanban-landing-app .kb-count.is-over {
    --ak-tag: var(--ak-danger);
    background: var(--ak-danger);
    color: var(--ak-on-accent);
}

.kanban-landing-app .kb-col-tools,
.kanban-landing-app .kb-card-moves {
    display: flex;
    flex-wrap: wrap;
    gap: 0.15rem;
}

.kanban-landing-app .kb-col-tools {
    flex: 1 1 100%;
}

.kanban-landing-app .kb-icon {
    color: var(--ak-muted);
}

.kanban-landing-app .kb-icon:hover:not(:disabled) {
    color: var(--ak-text);
}

.kanban-landing-app .kb-icon:disabled {
    opacity: 0.35;
}

/* Left and right follow the board, which runs right to left on a right-to-left page. */
[dir="rtl"] .kanban-landing-app [data-kb-col="left"] .ak-icon,
[dir="rtl"] .kanban-landing-app [data-kb-col="right"] .ak-icon,
[dir="rtl"] .kanban-landing-app [data-kb-move="left"] .ak-icon,
[dir="rtl"] .kanban-landing-app [data-kb-move="right"] .ak-icon {
    transform: scaleX(-1);
}

.kanban-landing-app .kb-cards {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    min-height: 2rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.kanban-landing-app .kb-card,
.kanban-landing-app .kb-ghost {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.5rem 0.5rem 0.5rem 0.65rem;
    border: 1px solid var(--ak-border);
    border-inline-start: 4px solid var(--ak-border);
    border-radius: var(--ak-radius-sm);
    background: var(--ak-field);
    color: var(--ak-text);
    box-shadow: var(--ak-shadow);
    touch-action: pan-y;
}

.kanban-landing-app .kb-card:focus-visible {
    outline: 2px solid var(--ak-accent);
    outline-offset: 2px;
}

/* Colour labels: the stripe on the left of the card. */
.kanban-landing-app [data-color="red"] { border-inline-start-color: var(--kb-red); }
.kanban-landing-app [data-color="orange"] { border-inline-start-color: var(--kb-orange); }
.kanban-landing-app [data-color="yellow"] { border-inline-start-color: var(--kb-yellow); }
.kanban-landing-app [data-color="green"] { border-inline-start-color: var(--kb-green); }
.kanban-landing-app [data-color="blue"] { border-inline-start-color: var(--kb-blue); }
.kanban-landing-app [data-color="purple"] { border-inline-start-color: var(--kb-purple); }

.kanban-landing-app .kb-card.is-dragging {
    opacity: 0.35;
}

/* The copy of the card under the pointer while it is dragged (appended to the app root, outside the stage). */
.kanban-landing-app .kb-ghost {
    position: fixed;
    z-index: 50;
    margin: 0;
    pointer-events: none;
    box-shadow: var(--ak-shadow-lg);
    transform: rotate(2deg);
    list-style: none;
}

.kanban-landing-app .kb-drop {
    border: 2px dashed var(--ak-accent);
    border-radius: var(--ak-radius-sm);
    background: color-mix(in srgb, var(--ak-accent) 8%, transparent);
    list-style: none;
}

.kanban-landing-app.kb-dragging,
.kanban-landing-app.kb-dragging * {
    cursor: grabbing;
    user-select: none;
}

.kanban-landing-app .kb-grip {
    display: inline-flex;
    color: var(--ak-muted);
    cursor: grab;
    line-height: 1.3;
    touch-action: none;
}

.kanban-landing-app .kb-card-body {
    flex: 1 1 0;
    min-width: 0;
}

.kanban-landing-app .kb-card-title,
.kanban-landing-app .kb-card-notes,
.kanban-landing-app .kb-card-meta {
    margin: 0;
    overflow-wrap: anywhere;
}

.kanban-landing-app .kb-card-title {
    font-size: 0.9rem;
    font-weight: 600;
}

.kanban-landing-app .kb-card-notes {
    margin-top: 0.2rem;
    color: var(--ak-muted);
    font-size: 0.8rem;
    white-space: pre-wrap;
}

.kanban-landing-app .kb-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: 0.3rem;
}

/* Past its due date (and not in the last column): solid red. */
.kanban-landing-app .kb-due.is-overdue {
    --ak-tag: var(--ak-danger);
    background: var(--ak-danger);
    color: var(--ak-on-accent);
}

.kanban-landing-app .kb-card-moves {
    flex: 1 1 100%;
    justify-content: flex-end;
}

.kanban-landing-app .kb-add-card {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.4rem;
    border: 1px dashed var(--ak-border);
    border-radius: var(--ak-radius-sm);
    background: transparent;
    color: var(--ak-muted);
    font: inherit;
    font-size: var(--ak-fs-sm);
    cursor: pointer;
}

.kanban-landing-app .kb-add-card:hover {
    border-color: var(--ak-accent);
    color: var(--ak-accent);
}

.kanban-landing-app .kb-add-card:focus-visible {
    outline: 2px solid var(--ak-accent);
    outline-offset: 2px;
}

/* Card editor: a panel over the board. */
.kanban-landing-app .kb-editor {
    position: absolute;
    inset: 0;
    z-index: 20;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: var(--ak-space-4);
    overflow-y: auto;
    background: color-mix(in srgb, var(--ak-bg) 70%, transparent);
}

.kanban-landing-app .kb-editor-form {
    width: 100%;
    max-width: 26rem;
    background: var(--ak-field);
    box-shadow: var(--ak-shadow-lg);
}

.kanban-landing-app .kb-two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--ak-space-2);
}

/* Phones: the stage uses the full width and a column takes most of the screen, the next one peeking in. */
@media (max-width: 600px) {
    .kanban-landing-app > .filter-landing-stage.kanban-landing-stage {
        width: 100%;
        max-width: none;
        padding: 0.75rem 0.5rem;
    }

    .kanban-landing-app .kb-col {
        flex-basis: 82%;
        max-width: 82%;
    }

    .kanban-landing-app .kb-two {
        grid-template-columns: 1fr;
    }

    .kanban-landing-app .kb-editor {
        padding: var(--ak-space-2);
    }
}

@media (prefers-reduced-motion: reduce) {
    .kanban-landing-app .kb-ghost {
        transform: none;
    }
}