/* ── Kanban Board ── */
.kanban-board {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
    min-height: 18rem; overflow-x: auto;
}
.kanban-column {
    background: var(--surface-2); border: 1px solid var(--hairline);
    min-height: 12rem; display: flex; flex-direction: column;
}
.kanban-column-header {
    padding: 0.75rem 1rem; border-bottom: 1px solid var(--hairline);
    display: flex; align-items: center; justify-content: space-between;
    font-family: var(--font-mono); font-size: 0.625rem; font-weight: 700;
    letter-spacing: 0.12em; text-transform: uppercase;
}
.kanban-column-header .count { font-size: 0.75rem; }
.kanban-col-new .kanban-column-header { color: var(--muted); }
.kanban-col-progress .kanban-column-header { color: var(--approaching); }
.kanban-col-done .kanban-column-header { color: var(--ok); }

.kanban-column-body {
    flex: 1; padding: 0.75rem; display: flex; flex-direction: column; gap: 0.75rem;
    min-height: 100px; transition: background 0.2s;
}
.kanban-column-body.drag-over { background: var(--signal-soft); }

.kanban-card {
    background: var(--surface); border: 1px solid var(--hairline);
    padding: 0.85rem; cursor: grab; transition: box-shadow 0.2s, border-color 0.2s;
    position: relative; box-shadow: var(--card-shadow);
    user-select: none;
}
.kanban-card:hover { border-color: var(--hairline-strong); box-shadow: var(--card-hover-shadow); }
.kanban-card:active { cursor: grabbing; }
.kanban-card.dragging { opacity: 0.5; transform: rotate(1deg); }
.kanban-card.drag-target { border-color: var(--signal); border-style: dashed; }
.kanban-card.approaching { border-left: 3px solid var(--approaching); }
.kanban-card.overdue { border-left: 3px solid var(--overdue); }
.kanban-card.done { opacity: 0.7; }

.kanban-card-title {
    font-size: 0.8125rem; font-weight: 600; line-height: 1.4; margin-bottom: 0.35rem;
    overflow: hidden; text-overflow: ellipsis; display: -webkit-box;
    -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    word-break: break-word;
}
.kanban-card-badges-top {
    display: flex; gap: 0.25rem; margin-bottom: 0.4rem;
}
.kanban-card-meta {
    display: flex; align-items: center; justify-content: space-between; gap: 0.5rem;
    font-family: var(--font-mono); font-size: 0.5625rem; letter-spacing: 0.06em;
    color: var(--muted);
}
.kanban-card-badges { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.kanban-card-deadline { white-space: nowrap; }
.kanban-card-deadline.soon { color: var(--warn); }
.kanban-card-deadline.overdue { color: var(--err); }
.kanban-card-footer {
    display: flex; align-items: center; justify-content: space-between;
    margin-top: 0.4rem; gap: 0.5rem;
}
.kanban-card-assignee {
    font-size: 0.625rem; flex: 1; min-width: 0;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.kanban-card-counters {
    display: flex; align-items: center; gap: 0.35rem; flex-shrink: 0;
}
.kc-counter {
    font-family: var(--font-mono); font-size: 0.5625rem;
    color: var(--signal); letter-spacing: 0.04em;
    white-space: nowrap;
    display: inline-flex; align-items: center; gap: 0.15rem;
}

/* Drag ghost */
.kanban-ghost {
    opacity: 0.4; background: var(--hairline); border: 1px dashed var(--hairline-strong);
}

@media (max-width: 900px) {
    .kanban-board { grid-template-columns: 1fr; }
}