/* ============================================
   TASKS VIEW
   ============================================ */

.tasks-view {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    flex: 1;
    min-height: 0;
}

.tasks-view.hidden {
    display: none;
}

/* ============================================
   TASKS HEADER
   ============================================ */

.tasks-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--gradient-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    animation: fadeIn 0.3s var(--ease-out);
}

.tasks-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.tasks-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.tasks-header-center {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.tasks-header-right {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* View Toggle */
.tasks-view-toggle {
    display: flex;
    gap: 2px;
    padding: 3px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-sm);
}

.tasks-view-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: calc(var(--radius-sm) - 1px);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tasks-view-btn svg {
    width: 16px;
    height: 16px;
}

.tasks-view-btn:hover {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.06);
}

.tasks-view-btn.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* Filter Button */
.tasks-filter-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 5px 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tasks-filter-btn svg {
    width: 14px;
    height: 14px;
}

.tasks-filter-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.12);
}

/* Filter Dropdown */
.tasks-filter-dropdown {
    position: fixed;
    z-index: 300;
    min-width: 180px;
    background: rgba(20, 20, 35, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    padding: var(--space-xs);
    animation: fadeIn 0.15s var(--ease-out);
}

.tasks-filter-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    padding: 8px 12px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.tasks-filter-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}

.tasks-filter-item.active {
    background: rgba(139, 92, 246, 0.12);
    color: var(--accent);
}

.tasks-filter-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Action Buttons */
.tasks-action-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 6px 14px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tasks-action-btn svg {
    width: 14px;
    height: 14px;
}

.tasks-action-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 2px 8px var(--accent-glow);
}

.tasks-action-primary:hover {
    box-shadow: 0 4px 16px var(--accent-glow);
    transform: translateY(-1px);
}

.tasks-action-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.tasks-action-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

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

.kanban-board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    flex: 1;
    min-height: 0;
    animation: fadeIn 0.3s var(--ease-out) 0.05s backwards;
}

.kanban-column {
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    min-height: 200px;
    overflow: hidden;
}

.kanban-column-header {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--border-subtle);
}

.kanban-column-icon {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
}

.kanban-column-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.kanban-column-count {
    margin-left: auto;
    font-size: 0.7rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.06);
    padding: 1px 6px;
    border-radius: 10px;
}

.kanban-column-cards {
    flex: 1;
    padding: var(--space-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    overflow-y: auto;
    min-height: 60px;
}

.kanban-column-cards.drag-over {
    background: rgba(139, 92, 246, 0.05);
    border: 1px dashed var(--accent);
    border-radius: var(--radius-sm);
    margin: var(--space-xs);
    padding: calc(var(--space-sm) - var(--space-xs));
}

.kanban-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-height: 60px;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-style: italic;
}

/* ============================================
   TASK CARD
   ============================================ */

.task-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-xs);
    padding: var(--space-sm);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-left: 3px solid var(--priority-color, var(--border-subtle));
    border-radius: var(--radius-sm);
    cursor: grab;
    transition: all var(--transition-fast);
    position: relative;
}

.task-card:hover {
    background: var(--bg-elevated);
    border-color: var(--border-visible);
    border-left-color: var(--priority-color);
}

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

.task-card.dragging {
    opacity: 0.3;
}

.task-card-grip {
    display: flex;
    align-items: center;
    color: var(--text-muted);
    opacity: 0;
    transition: opacity var(--transition-fast);
    flex-shrink: 0;
    cursor: grab;
}

.task-card:hover .task-card-grip {
    opacity: 0.5;
}

.task-card-grip svg {
    width: 14px;
    height: 14px;
}

/* Checkbox */
.task-card-checkbox {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    padding: 0;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: color var(--transition-fast);
    flex-shrink: 0;
    margin-top: 1px;
}

.task-card-checkbox svg {
    width: 18px;
    height: 18px;
}

.task-card-checkbox:hover {
    color: var(--accent);
}

.task-card-checkbox.checked {
    color: var(--accent);
}

/* Content */
.task-card-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.task-card-title {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
    word-break: break-word;
}

.task-card-title.done {
    text-decoration: line-through;
    color: var(--text-muted);
}

.task-card-description {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    margin: 0;
    line-height: 1.4;
}

/* Meta */
.task-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.task-category-pill {
    display: inline-flex;
    align-items: center;
    padding: 1px 8px;
    background: color-mix(in srgb, var(--cat-color, #6366f1) 15%, transparent);
    color: var(--cat-color, #6366f1);
    border-radius: 10px;
    font-size: 0.65rem;
    font-weight: 500;
    line-height: 1.6;
}

.task-priority-flag {
    display: flex;
    align-items: center;
}

.task-priority-flag svg {
    width: 12px;
    height: 12px;
}

.task-due-date {
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: 0.65rem;
    color: var(--text-tertiary);
}

.task-due-date svg {
    width: 11px;
    height: 11px;
}

.task-due-date.overdue {
    color: #ef4444;
    font-weight: 600;
}

/* Edit Button */
.task-card-edit {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    padding: 0;
    background: transparent;
    border: none;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.task-card-edit svg {
    width: 13px;
    height: 13px;
}

.task-card:hover .task-card-edit {
    opacity: 1;
}

.task-card-edit:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

/* List-specific card tweaks */
.task-card-list {
    border-left-width: 2px;
    padding: var(--space-xs) var(--space-sm);
}

.task-card-list .task-card-description {
    display: none;
}

/* Drag placeholder */
.task-dnd-placeholder {
    min-height: 40px;
    border: 2px dashed var(--accent);
    border-radius: var(--radius-sm);
    background: var(--accent-subtle);
    opacity: 0.5;
}

/* ============================================
   LIST VIEW
   ============================================ */

.task-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    animation: fadeIn 0.3s var(--ease-out) 0.05s backwards;
}

.task-list-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.task-list-group-header {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) 0;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.task-list-group-header svg {
    width: 14px;
    height: 14px;
    color: var(--text-muted);
}

.task-list-items {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

/* ============================================
   EMPTY STATE
   ============================================ */

.tasks-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
    color: var(--text-muted);
    text-align: center;
    gap: var(--space-sm);
}

.tasks-empty-icon {
    font-size: 2rem;
    opacity: 0.3;
}

.tasks-empty-state p {
    font-size: 0.85rem;
    margin: 0;
}

/* Datetime-local input dark theme compat */
input[type="datetime-local"].form-input {
    color-scheme: dark;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .kanban-board {
        grid-template-columns: 1fr;
    }

    .kanban-column {
        min-height: 120px;
    }

    .tasks-header {
        flex-wrap: wrap;
        gap: var(--space-sm);
    }

    .tasks-header-center {
        order: 3;
        width: 100%;
        justify-content: center;
    }

    .tasks-action-btn span:not(svg) {
        display: none;
    }
}

@media (max-width: 480px) {
    .tasks-header-left {
        display: none;
    }
}

/* Scrollbar for kanban columns */
.kanban-column-cards::-webkit-scrollbar {
    width: 4px;
}

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

.kanban-column-cards::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}

.kanban-column-cards::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}