/* ============================================================
   task-manager.css — Task Manager flat list view
   Phase 1: Base layout, quick-add, task rows
   Phase 2: Group-by, bulk actions, presets, parent picker,
            Display panel (Todoist-style dropdown)
   ============================================================ */

.task-manager-view {
    animation: fadeIn var(--transition-normal) ease-out;
    position: relative;
}

/* ── Display Button & Panel ──────────────────────────────────── */
.tm-display-wrapper {
    position: relative;
}

.tm-display-btn {
    gap: var(--space-1);
    white-space: nowrap;
}

.tm-display-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* The dropdown panel (lives on document.body, positioned fixed, no backdrop) */
.tm-display-panel {
    position: fixed;
    width: 320px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25), 0 2px 8px rgba(0, 0, 0, 0.15);
    z-index: 50;
    padding: var(--space-3) 0;
    animation: fadeIn 120ms ease-out;
}

/* Panel sections */
.tm-dp-section {
    padding: var(--space-2) var(--space-4);
}

.tm-dp-section + .tm-dp-section {
    border-top: 1px solid var(--border-color);
}

.tm-dp-section-title {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
}

/* Layout buttons row (List / Kanban / Calendar) */
.tm-dp-layout-row {
    display: flex;
    gap: 2px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: 2px;
}

.tm-dp-layout-btn {
    flex: 1;
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
    white-space: nowrap;
    text-align: center;
}

.tm-dp-layout-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.tm-dp-layout-btn.active {
    background: var(--accent, #C0622A);
    color: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

/* Reuse the tab badge inside layout buttons */
.tm-dp-layout-btn .tm-view-tab-badge {
    display: inline-block;
    font-size: 9px;
    font-weight: 600;
    color: var(--text-tertiary);
    background: var(--bg-tertiary, var(--bg-primary));
    padding: 0 4px;
    border-radius: var(--radius-sm);
    margin-left: 4px;
    vertical-align: middle;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* Generic row (label + select) */
.tm-dp-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.tm-dp-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

.tm-dp-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    white-space: nowrap;
    flex-shrink: 0;
}

.tm-dp-select {
    font-size: var(--text-sm);
    padding: var(--space-1) var(--space-2);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    min-width: 0;
    flex: 1;
    max-width: 180px;
}

.tm-dp-select:hover {
    border-color: var(--border-hover);
}

/* Toggle rows */
.tm-dp-toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

/* Toggle switch (iOS-style) */
.tm-toggle-switch {
    position: relative;
    width: 36px;
    height: 20px;
    background: var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: background 200ms ease;
    flex-shrink: 0;
}

.tm-toggle-switch.on {
    background: var(--accent, #C0622A);
}

.tm-toggle-knob {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background: #fff;
    border-radius: 50%;
    transition: transform 200ms ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
}

.tm-toggle-switch.on .tm-toggle-knob {
    transform: translateX(16px);
}

/* Preset list inside display panel */
.tm-dp-preset-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    margin-bottom: var(--space-2);
}

/* ── View Tab Badge (kept for layout buttons) ────────────────── */
.tm-view-tab-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-tertiary);
    background: var(--bg-tertiary, var(--bg-secondary));
    padding: 1px 6px;
    border-radius: var(--radius-sm);
    margin-left: var(--space-1);
    vertical-align: middle;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* ── Coming Soon Placeholder ──────────────────────────────────── */
.tm-coming-soon {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-12) var(--space-4);
    color: var(--text-tertiary);
    text-align: center;
}

.tm-coming-soon-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-3);
    opacity: 0.4;
}

.tm-coming-soon-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-1);
}

.tm-coming-soon-text {
    font-size: var(--text-sm);
    max-width: 300px;
    line-height: 1.5;
}

/* ── Quick Add ─────────────────────────────────────────────── */
.tm-quick-add {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    align-items: center;
}

.tm-quick-add-parent {
    font-size: var(--text-sm);
    padding: var(--space-1) var(--space-2);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    min-width: 160px;
    max-width: 240px;
}

.tm-quick-add-parent:hover {
    border-color: var(--border-hover);
}

.tm-quick-add-input {
    flex: 1;
    max-width: 500px;
}

/* ── Presets (shared between panel and old toolbar) ────────── */
.tm-preset-chip {
    display: inline-flex;
    align-items: center;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.tm-preset-btn {
    border: none !important;
    border-radius: 0 !important;
    padding: 2px var(--space-2) !important;
    font-size: var(--text-xs) !important;
}

.tm-preset-delete {
    border: none !important;
    border-left: 1px solid var(--border-color) !important;
    border-radius: 0 !important;
    padding: 2px 4px !important;
    font-size: 10px !important;
    opacity: 0.5;
}

.tm-preset-chip:hover .tm-preset-delete {
    opacity: 1;
}

/* ── Task List ─────────────────────────────────────────────── */
.tm-task-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* ── Task Row ──────────────────────────────────────────────── */
.tm-task-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-secondary);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.tm-task-row:hover {
    background: var(--bg-hover);
}

.tm-task-row.tm-task-selected {
    background: color-mix(in srgb, var(--accent) 8%, var(--bg-secondary));
}

.tm-task-complete {
    opacity: 0.55;
}

/* Content area (title + breadcrumb) */
.tm-task-content {
    flex: 1;
    min-width: 0;
}

.tm-task-title {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tm-task-complete .tm-task-title {
    text-decoration: line-through;
}

.tm-task-breadcrumb {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 1px;
}

/* Task actions (hover-reveal, mirrors tree-component-actions) */
.tm-task-actions {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.tm-task-row:hover .tm-task-actions {
    opacity: 1;
}

/* Team badge */
.tm-team-badge {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    background: var(--bg-primary);
    padding: 2px var(--space-2);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    flex-shrink: 0;
}

/* ── Grouped List ─────────────────────────────────────────── */
.tm-grouped-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* When inside a group section, task list loses its own border/rounding */
.section-group .tm-task-list {
    border: none;
    border-radius: 0;
}

/* Per-group sort badge (task-manager-specific) */
.tm-group-sort-badge {
    font-size: 10px;
    font-weight: 500;
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    padding: 1px 6px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

/* ── Bulk Action Bar ──────────────────────────────────────── */
.tm-bulk-bar {
    position: sticky;
    bottom: 0;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--ember-dark, #7A3D19);
    border: 1px solid var(--ember-mid, #A0501F);
    border-radius: var(--radius-lg);
    margin-top: var(--space-4);
    box-shadow: 0 -4px 20px rgba(122, 61, 25, 0.35);
    z-index: 10;
}

.tm-bulk-bar .tm-bulk-count {
    color: var(--ember-pale, #EAB899);
}

.tm-bulk-bar .btn {
    color: #fff;
    border-color: rgba(255,255,255,0.25);
}

.tm-bulk-bar .btn:hover {
    background: rgba(255,255,255,0.1);
}

.tm-bulk-count {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

/* ── Empty State ───────────────────────────────────────────── */
.tm-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-12) var(--space-4);
    color: var(--text-tertiary);
    text-align: center;
}

.tm-empty-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-3);
    opacity: 0.4;
}

.tm-empty-text {
    font-size: var(--text-sm);
    max-width: 300px;
    line-height: 1.5;
}

/* ── Read-only mode ────────────────────────────────────────── */
body.viewer-mode .tm-quick-add,
body.viewer-mode .tm-task-actions,
body.viewer-mode .tm-bulk-bar {
    display: none !important;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 640px) {
    .tm-quick-add {
        flex-wrap: wrap;
    }

    .tm-quick-add-parent {
        width: 100%;
        max-width: none;
    }

    .tm-task-row {
        padding: var(--space-3);
    }

    .tm-task-row .status-badge,
    .tm-team-badge {
        display: none;
    }

    .tm-display-panel {
        width: calc(100vw - 32px);
        right: 16px !important;
    }
}