/* Kanban Board Styles */

.board-title {
    font-size: 28px;
    font-weight: 700;
    border: none;
    background: transparent;
    color: var(--text-primary);
    padding: 4px 8px;
    border-radius: 6px;
}

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

.board-title:focus {
    background-color: var(--bg-hover);
    outline: 2px solid var(--color-teal);
}

.collaboration-indicators {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-right: 12px;
}

.collaborator-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: 600;
    border: 2px solid var(--bg-primary);
    margin-left: -8px;
    cursor: pointer;
}

.collaborator-avatar:first-child {
    margin-left: 0;
}

.collaborator-count {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    margin-left: 4px;
}

.kanban-board {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding-bottom: 20px;
    min-height: calc(100vh - 250px);
}

.kanban-column {
    min-width: 320px;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 250px);
}

.column-header {
    padding: 16px;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.column-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.column-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.column-title h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.task-count {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
}

.column-tasks {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.task-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 16px;
    cursor: grab;
    transition: all 0.2s ease;
}

.task-card:active {
    cursor: grabbing;
}

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

.task-card.priority-high {
    border-left: 4px solid #dc3545;
}

.task-card.task-done {
    opacity: 0.7;
}

.task-labels {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.task-label {
    font-size: 11px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.task-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px 0;
    line-height: 1.4;
}

.task-description {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0 0 12px 0;
    line-height: 1.5;
}

.task-progress {
    margin-bottom: 12px;
}

.progress-bar {
    height: 6px;
    background-color: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 4px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-deep-blue), var(--color-teal));
    border-radius: 3px;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 11px;
    color: var(--text-tertiary);
    font-weight: 600;
}

.task-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.task-assignees {
    display: flex;
    gap: 4px;
}

.task-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 10px;
    font-weight: 600;
    border: 2px solid var(--card-bg);
    cursor: pointer;
}

.task-info {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--text-secondary);
}

.task-info span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Drag and drop effects */
.task-card.dragging {
    opacity: 0.5;
}

.column-tasks.drag-over {
    background-color: var(--bg-hover);
    border: 2px dashed var(--color-teal);
    border-radius: 8px;
}

/* Scrollbar for columns */
.column-tasks::-webkit-scrollbar {
    width: 6px;
}

.column-tasks::-webkit-scrollbar-track {
    background: transparent;
}

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

.column-tasks::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .kanban-board {
        flex-direction: column;
    }

    .kanban-column {
        min-width: 100%;
        max-height: none;
    }

    .column-tasks {
        max-height: 400px;
    }
}