/* ============================================================
   gantt-sidebar.css — Gantt sidebar panel, sub-rows, sub-bars
   ============================================================ */

/* ── Sidebar Header ──────────────────────────────────────── */
.gantt-sidebar-header {
    grid-column: 1;
    grid-row: 1;
    padding: 0 var(--space-4);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
    height: 100%;
    min-height: 0;
    box-sizing: border-box;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.gantt-sidebar {
    grid-column: 1;
    grid-row: 2;
    overflow: hidden;
    overflow-x: hidden;
    border-right: 1px solid var(--border-color);
    scrollbar-width: none;
}
.gantt-sidebar::-webkit-scrollbar { display: none; }

.gantt-sidebar-resizer {
    position: absolute;
    top: 52px;
    bottom: 0;
    left: calc(var(--gantt-sidebar-width, 280px) - 3px);
    width: 6px;
    cursor: col-resize;
    z-index: 20;
    background: transparent;
}

.gantt-sidebar-resizer::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 2px;
    width: 2px;
    background: rgba(148, 163, 184, 0.25);
    transition: background var(--transition-fast);
}

.gantt-sidebar-resizer:hover::after,
.gantt-sidebar-resizer.dragging::after {
    background: rgba(148, 163, 184, 0.65);
}

.gantt-sidebar-inner {
    position: relative;
    min-height: 100%;
    will-change: transform;
}

.gantt-sidebar-group {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--text-tertiary);
    padding: var(--space-2) var(--space-4);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.gantt-sidebar-row {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0 var(--space-2);
    height: 40px;
    border-bottom: 1px solid var(--border-color);
    font-size: var(--text-sm);
    color: var(--text-primary);
    cursor: default;
    transition: background var(--transition-fast);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gantt-sidebar-row .truncate {
    flex: 1;
    min-width: 0;
}

/* Name wrap with team label below */
.gantt-sidebar-name-wrap {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.2;
}

.gantt-sidebar-name-wrap .truncate {
    flex: none;
}

.gantt-sidebar-team-label {
    font-size: 9px;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 1px;
    opacity: 0.7;
}

.gantt-sidebar-row:hover {
    background: var(--bg-hover);
}

.gantt-sidebar-remove {
    width: 20px;
    height: 20px;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
    flex-shrink: 0;
}

.gantt-sidebar-row:hover .gantt-sidebar-remove {
    opacity: 1;
}

.gantt-sidebar-remove:hover {
    background: rgba(239, 68, 68, 0.14);
    color: #ef4444;
}

.gantt-sidebar-row.selected {
    background: rgba(59, 130, 246, 0.16);
    outline: 1px solid rgba(59, 130, 246, 0.35);
    outline-offset: -1px;
}

.gantt-sidebar-row.row-hover {
    background: rgba(148, 163, 184, 0.14);
}

.gantt-sidebar-row.milestone {
    font-style: italic;
}

/* ── Drag Handle (Reorder) ───────────────────────────────── */
.gantt-drag-handle {
    opacity: 0;
    width: 16px;
    cursor: grab;
    color: var(--text-tertiary);
    font-size: 12px;
    flex-shrink: 0;
    transition: opacity var(--transition-fast);
    text-align: center;
    user-select: none;
}

.gantt-sidebar-row:hover .gantt-drag-handle {
    opacity: 0.6;
}

.gantt-sidebar-row:hover .gantt-drag-handle:hover {
    opacity: 1;
}

.gantt-sidebar-row.dragging-row {
    opacity: 0.4;
    background: var(--bg-tertiary);
}

.gantt-sidebar-row.drop-above {
    box-shadow: inset 0 2px 0 var(--accent-primary);
}

.gantt-sidebar-row.drop-below {
    box-shadow: inset 0 -2px 0 var(--accent-primary);
}

/* ── Expand Toggle ──────────────────────────────────────── */
.gantt-expand-toggle {
    width: 16px;
    height: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-size: 10px;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    user-select: none;
}

.gantt-expand-toggle:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.gantt-expand-toggle.expanded {
    color: var(--accent-primary);
}

.gantt-expand-spacer {
    width: 16px;
    flex-shrink: 0;
}

/* ── Sub-rows (tasks in sidebar) ────────────────────────── */
.gantt-sidebar-subrow {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0 var(--space-2) 0 calc(var(--space-2) + 36px);
    height: 40px;
    border-bottom: 1px solid var(--border-color);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    background: var(--bg-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gantt-sidebar-subrow .checkbox.mini {
    width: 14px;
    height: 14px;
    min-width: 14px;
    border-radius: 3px;
}

.gantt-sidebar-subrow .completed-text {
    text-decoration: line-through;
    opacity: 0.5;
}

/* ── Sub-bars (tasks in timeline) ───────────────────────── */
.gantt-sub-bar {
    position: absolute;
    height: 32px;
    border-radius: var(--radius-sm);
    opacity: 0.6;
    z-index: 1;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.gantt-sub-bar.completed {
    opacity: 0.4;
}

.gantt-sub-bar-label {
    padding: 0 var(--space-1);
    font-size: 10px;
    color: white;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 32px;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.3);
}