/* ===========================
   KANBAN COLUMNS
   =========================== */
.kanban-column {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;

    height: 100%;
    overflow: hidden;
    min-width: 300px;
    width: 300px;
}

.column-header {
    padding: 6px 12px;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: grab;
}

.column-header:active {
    cursor: grabbing;
}

.column-header h2 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.column-title.editable {
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.column-title.editable:hover {
    background-color: var(--bg-color);
}

.column-title-input {
    font-size: 14px;
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
    border-radius: 4px;
    padding: 4px 6px;
    outline: none;
    background: white;
    width: auto;
    min-width: 150px;
}

/* Column Actions (Count + Delete Button) */
.column-actions {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-count {
    background-color: var(--primary-color);
    color: white;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    transition: opacity 0.2s;
}

.column-header:hover .btn-delete-column {
    opacity: 1;
    pointer-events: all;
}

.column-header:hover .card-count {
    opacity: 0;
}

.column-content {
    flex: 1;
    margin: 16px;
    padding-top: 4px;
    padding-right: 4px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow-y: auto;
    min-height: 200px;
}

/* ===========================
   DRAG AND DROP (SortableJS)
   =========================== */
.column-content.drag-over {
    background-color: #f1f5f9;
    border: 2px dashed var(--primary-color);
    border-radius: var(--border-radius);
}

/* Column dragging styles */
.column-ghost {
    opacity: 0.4;
    background: #e2e8f0;
}

.column-chosen {
    cursor: grabbing !important;
}

.column-drag {
    opacity: 0.8;
}

/* ===========================
   COLUMN SCROLLBAR
   =========================== */
.column-content::-webkit-scrollbar {
    width: 6px;
}

.column-content::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-radius: 3px;
}

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

.column-content::-webkit-scrollbar-thumb:hover {
    background: #475569;
}

/* Column Buttons */
.btn-delete-column {
    position: absolute;
    right: 0;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    font-size: 18px;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    line-height: 1;
}

.btn-delete-column:hover {
    background: var(--border-color);
    color: var(--text-primary);
}