/* =========================================================
   KANBAN BOARD
   ========================================================= */

.kanban-board {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding: 8px 0;
    min-height: 500px;
}

.kanban-column {
    flex: 0 0 280px;
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    border-top: none;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 300px);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.kanban-column-header {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 8px 8px 0 0;
    min-height: 48px;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}

.kanban-column-header h4 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.kanban-count {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    min-width: 24px;
    text-align: center;
}

.kanban-column-body {
    flex: 1;
    padding: 8px;
    overflow-y: auto;
    min-height: 100px;
    background: var(--bg-secondary);
}

.kanban-column-body::-webkit-scrollbar {
    width: 6px;
}

.kanban-column-body::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 3px;
}

.kanban-column-body::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.kanban-column-body::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.kanban-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.kanban-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.kanban-card:active {
    cursor: grabbing;
    transform: translateY(0);
}

.kanban-card[draggable="true"] {
    cursor: move;
}

.kanban-card[draggable="true"]:hover {
    cursor: grab;
}

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

.kanban-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
}

.kanban-card-title {
    font-weight: 500;
    font-size: 14px;
    color: var(--text-primary);
    flex: 1;
    line-height: 1.4;
}

.kanban-card-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    margin-left: 8px;
}

.kanban-card-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.kanban-card-avatars {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
    margin-left: 8px;
}

.kanban-card-avatar-item {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.9);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1);
}

.kanban-card-avatar-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.kanban-card-description {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    line-height: 1.4;
}

.kanban-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
}

.kanban-card-priority {
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 500;
}

.priority-low {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
}

.priority-medium {
    background: rgba(250, 204, 21, 0.2);
    color: #facc15;
}

.priority-high {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.kanban-card-due {
    font-size: 11px;
    color: var(--text-muted);
}

.kanban-card-edit {
    background: transparent;
    border: none;
    color: var(--accent);
    font-size: 11px;
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 4px;
    transition: background 0.2s;
}

.kanban-card-edit:hover {
    background: var(--bg-hover);
}


/* Responsive */

@media (max-width: 1400px) {
    .kanban-column {
        flex: 0 0 260px;
    }
}

@media (max-width: 1024px) {
    .kanban-column {
        flex: 0 0 240px;
    }
}

@media (max-width: 768px) {
    .kanban-board {
        flex-direction: column;
        gap: 12px;
    }
    .kanban-column {
        flex: 1 1 auto;
        max-width: 100%;
        max-height: none;
    }
    .kanban-column-body {
        max-height: 400px;
    }
}