/* Graph View */
.graph-container {
    width: 100%;
    height: 700px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

#graphSvg {
    width: 100%;
    height: 100%;
}

.graph-node {
    cursor: pointer;
    stroke-width: 2px;
}

.graph-node:hover {
    stroke-width: 3px;
    filter: brightness(1.2);
}

.graph-link {
    stroke: var(--border-color);
    stroke-width: 2px;
    stroke-opacity: 0.6;
}

.graph-label {
    font-size: 12px;
    font-weight: 500;
    fill: var(--text-primary);
    pointer-events: none;
    text-anchor: middle;
}

/* Kanban Board */
.kanban-board {
    display: flex;
    gap: 15px;
    padding: 20px;
    overflow-x: auto;
    height: calc(100vh - 200px);
}

.kanban-column {
    flex: 1;
    min-width: 220px;
    max-width: 280px;
    background: var(--card-bg);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
}

.kanban-header {
    padding: 15px;
    border-radius: 8px 8px 0 0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
}

.kanban-icon {
    font-size: 20px;
}

.kanban-title {
    flex: 1;
}

.kanban-count {
    background: var(--bg-primary);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
}

.kanban-tasks {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.kanban-tasks.drag-over {
    background: var(--border-color);
}

.kanban-card {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.kanban-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.kanban-card.dragging {
    opacity: 0.5;
}

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

.kanban-importance {
    color: var(--warning-color);
    font-size: 14px;
}

.kanban-card-title {
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.kanban-card-desc {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.kanban-card-due {
    font-size: 12px;
    color: var(--text-muted);
}

/* Spreadsheet View */
.spreadsheet-container {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 0;
    overflow: hidden;
}

.spreadsheet-toolbar {
    padding: 15px;
    border-bottom: 2px solid var(--border-color);
    background: var(--bg-primary);
}

.btn-add-row {
    width: auto;
    padding: 8px 16px;
    background: var(--success-color);
}

.btn-add-row:hover {
    background: var(--success-hover);
}

.spreadsheet-scroll {
    overflow-x: auto;
    overflow-y: auto;
    max-height: calc(100vh - 250px);
}

.spreadsheet-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.spreadsheet-table thead {
    position: sticky;
    top: 0;
    background: var(--bg-primary);
    z-index: 10;
}

.spreadsheet-table th {
    padding: 12px 8px;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-primary);
    white-space: nowrap;
}

.spreadsheet-table td {
    padding: 6px 8px;
    border-bottom: 1px solid var(--border-color);
}

.spreadsheet-row {
    transition: background-color 0.2s;
}

.spreadsheet-row:hover {
    background: var(--border-color);
}

.spreadsheet-row.completed-row {
    opacity: 0.6;
}

.cell-input,
.cell-input-date,
.cell-select,
.cell-select-small {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 14px;
}

.cell-input:focus,
.cell-input-date:focus,
.cell-select:focus,
.cell-select-small:focus {
    outline: none;
    border-color: var(--primary-color);
}

.cell-actions {
    text-align: center;
    width: 40px;
}

.spreadsheet-delete {
    color: var(--error-color);
    cursor: pointer;
    font-size: 22px;
    padding: 2px 4px;
    display: inline-block;
    line-height: 1;
}

.spreadsheet-delete:hover {
    opacity: 0.7;
}

.spreadsheet-add-child {
    color: var(--success-color);
    cursor: pointer;
    font-size: 18px;
    padding: 2px 4px;
    display: inline-block;
    line-height: 1;
    margin-right: 4px;
}

.spreadsheet-add-child:hover {
    opacity: 0.7;
}

.spreadsheet-collapse {
    color: var(--text-muted);
    cursor: pointer;
    font-size: 12px;
    padding: 2px 4px;
    display: inline-block;
    line-height: 1;
    margin-right: 4px;
    transition: transform 0.3s;
}

.spreadsheet-collapse.collapsed {
    transform: rotate(-90deg);
}

.spreadsheet-collapse:hover {
    color: var(--primary-color);
}