/* ===== Design tokens ===== */
:root[data-theme="dark"] {
    --ta-bg: oklch(0.15 0.012 265);
    --ta-sidebar-bg: oklch(0.13 0.012 265);
    --ta-border: oklch(0.26 0.02 265);
    --ta-border-soft: oklch(0.28 0.02 265);
    --ta-text: oklch(0.96 0.004 265);
    --ta-text-secondary: oklch(0.78 0.01 265);
    --ta-text-dim: oklch(0.62 0.015 265);
    --ta-text-dimmer: oklch(0.55 0.015 265);
    --ta-text-faint: oklch(0.5 0.01 265);
    --ta-surface: oklch(0.19 0.014 265);
    --ta-surface-raised: oklch(0.22 0.016 265);
    --ta-due-date-bg: oklch(0.28 0.02 265);
    --ta-surface-input: oklch(0.19 0.014 265);
    --ta-panel-inner: oklch(0.17 0.013 265);
    --ta-checkbox-off: oklch(0.4 0.02 265);
    --ta-checkbox-on-fg: oklch(0.12 0.01 265);
    --ta-accent-link: oklch(0.78 0.14 195);
    --ta-scrollbar-thumb: oklch(0.5 0.02 265 / 0.4);
}
:root[data-theme="light"] {
    --ta-bg: oklch(0.97 0.005 265);
    --ta-sidebar-bg: oklch(0.94 0.007 265);
    --ta-border: oklch(0.85 0.012 265);
    --ta-border-soft: oklch(0.82 0.012 265);
    --ta-text: oklch(0.2 0.012 265);
    --ta-text-secondary: oklch(0.38 0.012 265);
    --ta-text-dim: oklch(0.48 0.012 265);
    --ta-text-dimmer: oklch(0.52 0.012 265);
    --ta-text-faint: oklch(0.62 0.012 265);
    --ta-surface: oklch(0.995 0.002 265);
    --ta-surface-raised: oklch(0.9 0.012 265);
    --ta-due-date-bg: oklch(0.9 0.012 265);
    --ta-surface-input: oklch(0.99 0.003 265);
    --ta-panel-inner: oklch(0.965 0.005 265);
    --ta-checkbox-off: oklch(0.72 0.015 265);
    --ta-checkbox-on-fg: oklch(0.99 0.003 265);
    --ta-accent-link: oklch(0.5 0.13 195);
    --ta-scrollbar-thumb: oklch(0.6 0.02 265 / 0.35);
}
:root {
    /* constant across themes */
    --ta-brand: oklch(0.72 0.19 300);
    --ta-cyan: oklch(0.78 0.14 195);
    --ta-pink: oklch(0.72 0.19 350);
    --ta-amber: oklch(0.78 0.15 70);
    --ta-danger: oklch(0.62 0.19 25);
    --ta-pri-high-bg: oklch(0.3 0.09 25); --ta-pri-high-fg: oklch(0.82 0.16 25);
    --ta-pri-med-bg: oklch(0.3 0.07 70); --ta-pri-med-fg: oklch(0.82 0.13 70);
    --ta-pri-low-bg: oklch(0.28 0.05 195); --ta-pri-low-fg: oklch(0.8 0.11 195);
    --ta-pri-urgent-bg: var(--ta-danger); --ta-pri-urgent-fg: white;
    --ta-status-blocked-bg: oklch(0.3 0.11 30); --ta-status-blocked-fg: oklch(0.83 0.16 30);
    --ta-status-waiting-bg: oklch(0.28 0.06 250); --ta-status-waiting-fg: oklch(0.8 0.11 250);
    --ta-radius-card: 14px;
    --ta-radius-control: 9px;
    --ta-radius-pill: 999px;
}

/* ===== Layout ===== */
html, body { height: 100%; margin: 0; padding: 0; }

.ta-body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
    color: var(--ta-text);
    background: var(--ta-bg);
}

* { box-sizing: border-box; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--ta-scrollbar-thumb); border-radius: 8px; }
::-webkit-scrollbar-track { background: transparent; }

.ta-app {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Hidden on desktop; shown (as flex/block) only under the ≤900px breakpoint below. */
.ta-mobile-topbar {
    display: none;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--ta-border);
    background: var(--ta-sidebar-bg);
}
.ta-sidebar-backdrop { display: none; }

/* ===== Icons (Lucide) — every rendered icon gets the .lucide class; size it relative to the
   surrounding text and let it inherit color via currentColor (Lucide's default stroke) instead
   of a fixed 24x24 SVG ===== */
.lucide {
    width: 1em;
    height: 1em;
    vertical-align: -0.15em;
    flex-shrink: 0;
}

/* ===== Sidebar ===== */
.ta-sidebar {
    width: 280px;
    min-width: 280px;
    background: var(--ta-sidebar-bg);
    border-right: 1px solid var(--ta-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.ta-sidebar-scroll {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.ta-sidebar-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 4px;
}

.ta-logo {
    font-weight: 700;
    font-size: 17px;
    letter-spacing: -0.02em;
    color: var(--ta-text);
}

/* Search */
.ta-search-wrap { position: relative; }
.ta-search-input {
    width: 100%;
    background: var(--ta-surface-input);
    border: 1px solid var(--ta-border-soft);
    border-radius: var(--ta-radius-control);
    padding: 9px 12px 9px 32px;
    color: var(--ta-text);
    font-size: 13px;
    font-family: inherit;
    outline: none;
}
.ta-search-input::placeholder { color: var(--ta-text-faint); }
.ta-search-icon {
    position: absolute;
    left: 11px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 13px;
    color: var(--ta-text-dimmer);
    pointer-events: none;
}

.ta-nav { display: flex; flex-direction: column; gap: 6px; }

.ta-nav-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 6px;
    margin-bottom: 4px;
}

.ta-nav-section-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ta-text-dimmer);
}

.ta-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    border-radius: var(--ta-radius-control);
    color: var(--ta-text-secondary);
    text-decoration: none;
    cursor: pointer;
    border-left: 2px solid transparent;
    transition: background 0.1s, color 0.1s;
}
.ta-nav-item:hover { background: var(--ta-surface-raised); color: var(--ta-text); }
.ta-nav-item.active {
    background: var(--ta-surface-raised);
    color: var(--ta-text);
    font-weight: 500;
    border-left-color: var(--ta-nav-active-color, var(--ta-brand));
}

.ta-group-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 8px currentColor;
}

.ta-nav-label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }

.ta-nav-count {
    font-size: 11px;
    color: var(--ta-text-dimmer);
    background: var(--ta-surface-raised);
    border-radius: var(--ta-radius-pill);
    padding: 1px 7px;
}

.ta-nav-icon { font-size: 14px; }

.ta-nav-empty { font-size: 12px; color: var(--ta-text-faint); padding: 6px 10px; margin: 0; }

.ta-btn-new-group {
    display: block;
    width: 100%;
    padding: 7px 10px;
    background: none;
    border: none;
    text-align: left;
    color: var(--ta-text-dim);
    font-size: 13px;
    cursor: pointer;
    font-family: inherit;
}
.ta-btn-new-group:hover { color: var(--ta-text); }

/* Sidebar notes preview */
.ta-note-preview-card {
    display: block;
    background: var(--ta-surface);
    border-left: 3px solid var(--ta-preview-color, var(--ta-brand));
    border-radius: 8px;
    padding: 10px 12px;
    cursor: pointer;
    color: inherit;
    text-decoration: none;
}
.ta-note-preview-title { font-size: 13px; font-weight: 600; margin-bottom: 3px; color: var(--ta-text); }
.ta-note-preview-snippet {
    font-size: 12px; color: var(--ta-text-dim); line-height: 1.4;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.ta-show-all-link {
    font-size: 12px; font-weight: 600; color: var(--ta-accent-link);
    cursor: pointer; padding: 6px; text-align: center; text-decoration: none; display: block;
}
.ta-show-all-link:hover { color: var(--ta-accent-link); opacity: 0.85; }

/* Sidebar footer (settings) */
.ta-sidebar-footer {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-top: 1px solid var(--ta-border);
    color: var(--ta-text-secondary);
    text-decoration: none;
    cursor: pointer;
}
.ta-sidebar-footer:hover { background: var(--ta-surface-raised); color: var(--ta-text); }
.ta-sidebar-footer.active { background: var(--ta-surface-raised); color: var(--ta-text); }

.ta-sidebar-footer-group { display: flex; flex-direction: column; }
.ta-sidebar-footer-group form { margin: 0; }
button.ta-sidebar-footer {
    width: 100%;
    background: none;
    border: none;
    border-top: 1px solid var(--ta-border);
    font: inherit;
    text-align: left;
}

/* ===== Main area ===== */
/* Column direction so .ta-mobile-topbar (hidden except ≤900px) stacks above whatever page content
   RenderBody() produces, instead of sitting beside it — harmless on desktop since a display:none
   topbar takes no box either way. */
.ta-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ===== Group page ===== */
.ta-group-page {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.ta-task-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 32px 40px;
}

.ta-group-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}

.ta-group-title {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--ta-text);
    margin: 0;
}

.ta-group-actions { display: flex; gap: 6px; }
.ta-header-action-right { margin-left: auto; }
.ta-group-header-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }

.ta-btn-icon {
    background: none;
    border: none;
    color: var(--ta-text-dimmer);
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    font-size: 14px;
    line-height: 1;
}
.ta-btn-icon:hover { background: var(--ta-surface-raised); color: var(--ta-text); }
.ta-note-drag-handle { cursor: grab; }
.ta-note-drag-handle:active { cursor: grabbing; }

/* ===== Card grid (notes) ===== */
/* JS-driven masonry (wwwroot/js/site.js `layoutMasonry`) distributes real cards into
   `.ta-masonry-col` wrappers instead of using CSS multi-column layout, so DOM order matches
   visual order and cards stay in normal document flow (drag-and-drop reliable, height changes
   reflow for free). --ta-masonry-item-width drives the column-count calculation. */
.ta-note-grid {
    --ta-masonry-item-width: 370px;
    display: flex;
    align-items: flex-start;
    gap: 18px;
    width: 100%;
}

/* ===== Task list (plain rows inside a sub-group section/card) ===== */
.ta-task-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    width: 100%;
}

.ta-masonry-col {
    display: flex;
    flex-direction: column;
    flex: 1 1 0;
    min-width: 0;
    /* A column left empty by a drag (align-items: flex-start on the grid means it otherwise
       collapses to 0 height) needs some real footprint to still be a droppable target — without
       this, an emptied column becomes impossible to drop into until the next full reload. */
    min-height: 60px;
}

.ta-card {
    display: block;
    width: 100%;
    margin-bottom: 18px;
    background: var(--ta-surface);
    border: 1px solid var(--ta-border);
    border-radius: var(--ta-radius-card);
    overflow: hidden;
    transition: box-shadow .15s, border-color .15s;
    position: relative;
}
.ta-card:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.18); }
.ta-card.selected { border-color: var(--ta-card-accent, var(--ta-brand)); }

.ta-card-topbar { height: 4px; background: var(--ta-card-accent, var(--ta-brand)); }

/* ===== Sub-group sections (Group/Index) — masonry, like the note grid, so a section is
   only as wide as it needs to be instead of stretching across the whole page ===== */
.ta-subgroup-sections {
    --ta-masonry-item-width: 340px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    width: 100%;
}
.ta-subgroup-section {
    display: block;
    width: 100%;
    margin-bottom: 20px;
    background: var(--ta-surface);
    border: 1px solid var(--ta-border);
    border-left: 4px solid var(--ta-card-accent, var(--ta-brand));
    border-radius: var(--ta-radius-card);
    padding: 10px 14px;
}
.ta-subgroup-section-header { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.ta-subgroup-section-title { font-size: 14px; font-weight: 700; color: var(--ta-text); flex: 1; margin: 0; }

/* ===== Quick Add Input — plain text, no border/background, so it reads as a
   lightweight "+ Add a task" line rather than a boxed form field ===== */
.ta-quick-add-form { margin-top: 4px; display: flex; align-items: center; gap: 2px; }

.ta-quick-add-input {
    flex: 1;
    min-width: 0;
    padding: 4px 2px;
    border: none;
    border-radius: var(--ta-radius-control);
    font-size: 13px;
    background: transparent;
    outline: none;
    transition: background 0.1s;
    color: var(--ta-text);
    box-sizing: border-box;
    font-family: inherit;
}
.ta-quick-add-input:focus { background: var(--ta-surface-raised); }
.ta-quick-add-input::placeholder { color: var(--ta-text-faint); }

/* ===== Task rows (plain list, no per-task card) ===== */
.ta-task-card-body {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 4px 4px;
    cursor: pointer;
    border-radius: var(--ta-radius-control);
    transition: background 0.1s;
}
.ta-task-card-body:hover { background: var(--ta-surface-raised); }

.ta-task-card-main { flex: 1; min-width: 0; }

/* Drag handle + checkbox share a tight inner gap (2px) instead of the row's own 8px gap, so the
   handle's reserved hover-target space (opacity:0 until hovered) doesn't read as dead margin
   between the row's left edge and the checkbox. align-items is flex-start (not center) so the
   checkbox's own hand-tuned `margin-top: 1px` (aligning it against the title text's baseline)
   isn't re-centered against the drag handle's slightly taller reserved hover box — that
   re-centering was pushing the checkbox a couple of px lower than the title text. */
.ta-task-row-left {
    display: flex;
    align-items: flex-start;
    gap: 2px;
    flex-shrink: 0;
}

.ta-task-title-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    column-gap: 6px;
    row-gap: 0;
}

/* The "subtask" trigger sits grouped together with the priority/status/due/tag badges, all
   pushed to the row's right edge (title stays alone on the left) — rather than being anchored
   next to the title, so the trigger always reads as part of the same cluster as the badges. */
.ta-task-badges-wrap {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-left: auto;
    flex-shrink: 0;
}

.ta-task-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--ta-text);
    line-height: 1.25;
    flex: 0 1 auto;
    min-width: 0;
    white-space: normal;
    overflow-wrap: break-word;
}

.ta-inline-edit-input {
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    color: var(--ta-text);
    background: var(--ta-surface-input);
    border: 1.5px solid var(--ta-brand);
    border-radius: 4px;
    padding: 0 4px;
    min-width: 60px;
    flex: 1;
}
.ta-subtask-row .ta-inline-edit-input { font-weight: 400; font-size: 12px; }
.ta-task-item.completed .ta-task-title { color: var(--ta-text-faint); text-decoration: line-through; }

.ta-add-subtask-hint {
    background: none;
    border: none;
    padding: 2px 4px;
    margin: 0;
    flex-shrink: 0;
    font-size: 11px;
    line-height: 1;
    color: var(--ta-text-faint);
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s;
}
.ta-task-item:hover .ta-add-subtask-hint { opacity: 1; }
.ta-add-subtask-hint:hover { color: var(--ta-text-dim); }

.ta-task-drag-handle, .ta-subtask-drag-handle {
    opacity: 0;
    flex-shrink: 0;
    transition: opacity 0.15s;
    font-size: 11px;
    cursor: grab;
    padding: 4px 2px;
}
.ta-task-drag-handle:active, .ta-subtask-drag-handle:active { cursor: grabbing; }
.ta-task-card-body:hover .ta-task-drag-handle { opacity: 1; }
.ta-subtask-row:hover .ta-subtask-drag-handle { opacity: 1; }

.ta-subgroup-drag-handle {
    flex-shrink: 0;
    font-size: 11px;
    cursor: grab;
    padding: 4px 2px;
}
.ta-subgroup-drag-handle:active { cursor: grabbing; }

/* ===== Checkbox (rounded square) ===== */
.ta-checkbox-btn {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    margin-top: 1px;
}

.ta-checkbox {
    width: 16px;
    height: 16px;
    border: 1.5px solid var(--ta-checkbox-off);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.15s, background 0.15s;
    background: transparent;
}
.ta-checkbox-btn:hover .ta-checkbox { border-color: var(--ta-checkbox-accent, var(--ta-brand)); }

.ta-checkbox.checked {
    background: var(--ta-checkbox-accent, var(--ta-brand));
    border-color: var(--ta-checkbox-accent, var(--ta-brand));
}
.ta-checkbox.checked::after {
    content: '✓';
    font-size: 11px;
    font-weight: 700;
    color: var(--ta-checkbox-on-fg);
    line-height: 1;
}

/* ===== Badges / pills ===== */
.ta-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: var(--ta-radius-pill);
    line-height: 1.3;
}
.ta-priority-low    { background: var(--ta-pri-low-bg); color: var(--ta-pri-low-fg); }
.ta-priority-medium  { background: var(--ta-pri-med-bg); color: var(--ta-pri-med-fg); }
.ta-priority-high   { background: var(--ta-pri-high-bg); color: var(--ta-pri-high-fg); }
.ta-priority-urgent { background: var(--ta-pri-urgent-bg); color: var(--ta-pri-urgent-fg); }

.ta-due-date {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 10px;
    font-weight: 600;
    line-height: 1.3;
    padding: 2px 7px;
    border-radius: var(--ta-radius-pill);
    background: var(--ta-due-date-bg);
    color: var(--ta-text-dim);
}
.ta-due-date.overdue { background: var(--ta-status-blocked-bg); color: var(--ta-danger); }

.ta-tag-badge {
    display: inline-flex;
    align-items: center;
    font-size: 10px;
    font-weight: 600;
    line-height: 1.3;
    padding: 2px 7px;
    border-radius: var(--ta-radius-pill);
    color: #fff;
}

.ta-status-blocked { background: var(--ta-status-blocked-bg); color: var(--ta-status-blocked-fg); }
.ta-status-waiting { background: var(--ta-status-waiting-bg); color: var(--ta-status-waiting-fg); }

/* Search term highlight (task/subtask/note text) */
mark { background: oklch(0.85 0.15 95 / 0.6); color: inherit; border-radius: 2px; padding: 0 1px; }

/* ===== Subtasks (always visible, inline in card) ===== */
.ta-subtask-list {
    list-style: none;
    margin: 0;
    padding: 0 0 2px 34px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.ta-subtask-item { padding: 0; }

.ta-subtask-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    padding: 3px 4px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.1s;
}
.ta-subtask-row:hover { background: var(--ta-surface-raised); }

.ta-subtask-text { font-size: 13px; color: var(--ta-text-secondary); flex: 1; min-width: 0; }
.ta-subtask-item.completed .ta-subtask-text { text-decoration: line-through; color: var(--ta-text-faint); }

.ta-subtask-quick-add { padding: 0 12px 2px 34px; }

.ta-subtask-input {
    display: block;
    width: 100%;
    border: none;
    padding: 2px 6px;
    border-radius: 5px;
    font-size: 11.5px;
    background: transparent;
    outline: none;
    transition: background 0.1s;
    color: var(--ta-text-dim);
    box-sizing: border-box;
    font-family: inherit;
}
.ta-subtask-input:focus { background: var(--ta-surface-raised); }
.ta-subtask-input::placeholder { color: var(--ta-text-faint); }

/* ===== Detail Panel ===== */
/* An overlay (position: fixed), not a flex sibling that shrinks .ta-task-column when it opens —
   it used to be a flex child of .ta-group-page that grew 0->360px, which shrank the masonry
   containers inside .ta-task-column during the transition and caused their ResizeObserver to
   re-column sub-group sections mid-animation (cards visibly jumping around). As a fixed overlay,
   opening/closing it never changes the board's width, so masonry never re-triggers for this. */
.ta-detail-panel {
    width: 0;
    min-width: 0;
    background: var(--ta-sidebar-bg);
    border-left: none;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: fixed;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 500;
    transition: width 0.2s ease;
}
.ta-detail-panel.open {
    width: 360px;
    min-width: 360px;
    border-left: 1px solid var(--ta-border);
    overflow-y: auto;
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.25);
}

.ta-detail-header {
    padding: 20px 24px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    position: sticky;
    top: 0;
    background: var(--ta-sidebar-bg);
    z-index: 1;
}

.ta-kind-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--ta-text-dimmer);
    text-transform: uppercase;
}

.ta-detail-close {
    background: none;
    border: none;
    color: var(--ta-text-dim);
    cursor: pointer;
    font-size: 18px;
    padding: 0 4px;
    line-height: 1;
    margin-left: auto;
}
.ta-detail-close:hover { color: var(--ta-text); }

.ta-parent-line { font-size: 12px; color: var(--ta-text-dimmer); padding: 0 24px; }
.ta-parent-highlight { color: var(--ta-text-secondary); }
.ta-parent-link {
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    color: var(--ta-text-secondary);
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 2px;
}
.ta-parent-link:hover { color: var(--ta-text); }

.ta-detail-body {
    padding: 12px 24px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.ta-detail-title-row { display: flex; align-items: flex-start; gap: 10px; }
.ta-detail-title-row h2 { font-size: 18px; font-weight: 700; margin: 0; color: var(--ta-text); }

.ta-detail-meta-row { display: flex; flex-wrap: wrap; gap: 8px; }
.ta-due-chip {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 12px; color: var(--ta-text-secondary); background: var(--ta-surface);
    border: 1px solid var(--ta-border-soft); border-radius: var(--ta-radius-pill); padding: 4px 10px;
}

.ta-detail-field-spaced {
    margin-top: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--ta-border-soft);
}

.ta-detail-field label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ta-text-dimmer);
    margin-bottom: 8px;
}

.ta-detail-input, .ta-detail-textarea, .ta-detail-select {
    width: 100%;
    border: 1.5px solid var(--ta-border-soft);
    border-radius: 6px;
    padding: 7px 10px;
    font-size: 14px;
    color: var(--ta-text);
    background: var(--ta-surface-input);
    outline: none;
    resize: vertical;
    font-family: inherit;
    transition: border-color 0.15s;
    box-sizing: border-box;
}
.ta-detail-input:focus, .ta-detail-textarea:focus, .ta-detail-select:focus {
    border-color: var(--ta-brand);
}
.ta-detail-textarea { min-height: 80px; }

.ta-desc-box {
    font-size: 14px; line-height: 1.55; color: var(--ta-text-secondary);
    background: var(--ta-panel-inner); border: 1px solid var(--ta-border); border-radius: 10px; padding: 12px 14px;
    white-space: pre-wrap;
}

.ta-checklist-row {
    display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
    padding: 8px 10px; border-radius: 8px; background: var(--ta-panel-inner);
}

/* ===== Status Popover ===== */
.ta-status-options { display: flex; gap: 6px; margin-bottom: 8px; }
.ta-status-opt {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 5px 4px;
    border: 1.5px solid var(--ta-border-soft);
    border-radius: 6px;
    background: none;
    color: var(--ta-text-secondary);
    font-size: 12px;
    cursor: pointer;
    text-align: center;
    transition: border-color 0.1s, background 0.1s;
    font-family: inherit;
}
.ta-status-opt:hover { border-color: var(--ta-brand); background: var(--ta-surface-raised); }
.ta-status-opt.selected-blocked { border-color: var(--ta-status-blocked-fg); background: var(--ta-status-blocked-bg); color: var(--ta-status-blocked-fg); }
.ta-status-opt.selected-waiting { border-color: var(--ta-status-waiting-fg); background: var(--ta-status-waiting-bg); color: var(--ta-status-waiting-fg); }

/* ===== Due-date calendar popover ===== */
.ta-date-popover-wrap { position: relative; }
.ta-date-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    text-align: left;
}
.ta-date-popover-body {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 20;
    width: 260px;
    background: var(--ta-surface-raised);
    border: 1px solid var(--ta-border-soft);
    border-radius: var(--ta-radius-card);
    padding: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* ===== Task board filter popover (Priority/Status/Tag) ===== */
.ta-filter-popover-wrap { position: relative; }
.ta-filter-active-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 15px;
    height: 15px;
    padding: 0 3px;
    margin-left: 2px;
    border-radius: var(--ta-radius-pill);
    background: var(--ta-brand);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    line-height: 1;
}
.ta-filter-popover-body {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    z-index: 20;
    width: 240px;
    background: var(--ta-surface-raised);
    border: 1px solid var(--ta-border-soft);
    border-radius: var(--ta-radius-card);
    padding: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}
.ta-filter-group { margin-bottom: 10px; }
.ta-filter-group-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--ta-text-dimmer);
    text-transform: uppercase;
    margin-bottom: 6px;
}
.ta-filter-clear {
    background: none;
    border: none;
    color: var(--ta-text-dim);
    font-size: 12px;
    cursor: pointer;
    font-family: inherit;
    padding: 0;
    margin-top: 4px;
}
.ta-filter-clear:hover { color: var(--ta-danger); }

/* Priority/Status filter pills reuse .ta-tag-toggle, but (unlike tag pills, whose selected-state
   background comes from each tag's own inline color) need their selected-state color spelled out
   here, reusing the same badge color tokens _TaskBadges.cshtml already owns — otherwise the
   generic `.ta-tag-toggle.selected { color: #fff; }` rule leaves white text on no background. */
.ta-tag-toggle.ta-priority-low.selected    { background: var(--ta-pri-low-bg); color: var(--ta-pri-low-fg); border-color: var(--ta-pri-low-fg); }
.ta-tag-toggle.ta-priority-medium.selected { background: var(--ta-pri-med-bg); color: var(--ta-pri-med-fg); border-color: var(--ta-pri-med-fg); }
.ta-tag-toggle.ta-priority-high.selected   { background: var(--ta-pri-high-bg); color: var(--ta-pri-high-fg); border-color: var(--ta-pri-high-fg); }
.ta-tag-toggle.ta-priority-urgent.selected { background: var(--ta-pri-urgent-bg); color: var(--ta-pri-urgent-fg); border-color: var(--ta-pri-urgent-fg); }
.ta-tag-toggle.ta-status-blocked.selected  { background: var(--ta-status-blocked-bg); color: var(--ta-status-blocked-fg); border-color: var(--ta-status-blocked-fg); }
.ta-tag-toggle.ta-status-waiting.selected  { background: var(--ta-status-waiting-bg); color: var(--ta-status-waiting-fg); border-color: var(--ta-status-waiting-fg); }
.ta-date-cal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 700;
    color: var(--ta-text);
    margin-bottom: 8px;
}
.ta-date-cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}
.ta-date-cal-dow {
    font-size: 10px;
    font-weight: 700;
    text-align: center;
    color: var(--ta-text-dimmer);
    padding-bottom: 4px;
}
.ta-date-cal-day {
    border: none;
    background: none;
    border-radius: 6px;
    padding: 6px 0;
    font-size: 12px;
    color: var(--ta-text-secondary);
    cursor: pointer;
    font-family: inherit;
}
.ta-date-cal-day:hover { background: var(--ta-surface); color: var(--ta-text); }
.ta-date-cal-day.today { border: 1px solid var(--ta-border-soft); }
.ta-date-cal-day.selected { background: var(--ta-brand); color: var(--ta-checkbox-on-fg); font-weight: 700; }
.ta-date-cal-clear {
    display: block;
    width: 100%;
    margin-top: 8px;
    padding: 6px 0;
    border: none;
    border-top: 1px solid var(--ta-border-soft);
    background: none;
    color: var(--ta-text-dim);
    font-size: 12px;
    cursor: pointer;
    font-family: inherit;
}
.ta-date-cal-clear:hover { color: var(--ta-danger); }

/* ===== Tag picker ===== */
.ta-tag-list { display: flex; flex-wrap: wrap; gap: 6px; }
.ta-tag-toggle {
    border: 1.5px solid;
    border-radius: var(--ta-radius-pill);
    padding: 2px 10px;
    font-size: 12px;
    cursor: pointer;
    background: none;
    font-weight: 500;
    transition: opacity 0.1s;
    font-family: inherit;
    color: var(--ta-text);
}
.ta-tag-toggle.selected { opacity: 1; color: #fff; }
.ta-tag-toggle:not(.selected) { opacity: 0.55; }
.ta-tag-toggle:hover { opacity: 0.9; }

/* ===== Notes board ===== */
.ta-notes-page { flex: 1; overflow-y: auto; padding: 32px 40px; }
.ta-notes-header { margin-bottom: 28px; display: flex; align-items: center; gap: 12px; }

.ta-note-card-editing { border-color: var(--ta-brand) !important; box-shadow: 0 0 0 3px oklch(0.72 0.19 300 / 0.15) !important; }
.ta-note-card-editing form { padding: 14px 16px; }

.ta-note-card-inner { padding: 14px 16px 16px; cursor: pointer; }

.ta-note-card-title { font-size: 15px; font-weight: 700; color: var(--ta-text); margin-bottom: 8px; }

.ta-note-card-content {
    font-size: 13px;
    color: var(--ta-text-secondary);
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

.ta-note-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px 14px;
}

.ta-note-date { font-size: 11px; color: var(--ta-text-faint); }

.ta-note-delete {
    opacity: 0;
    transition: opacity 0.15s;
    font-size: 11px;
    padding: 2px 5px;
}
.ta-note-card:hover .ta-note-delete { opacity: 1; }

.ta-color-picker { display: flex; gap: 8px; align-items: center; position: relative; }
.ta-color-swatch-grid { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.ta-color-swatch { width: 22px; height: 22px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; padding: 0; }
.ta-color-swatch.selected { border-color: var(--ta-text); box-shadow: 0 0 0 2px var(--ta-surface); }
.ta-color-swatch-more { width: 22px; height: 22px; border-radius: 50%; border: 1px dashed var(--ta-border-soft); background: none; display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--ta-text-secondary); padding: 0; }
.ta-color-swatch-more i { width: 14px; height: 14px; }
.ta-color-native-input { position: absolute; width: 0; height: 0; padding: 0; border: none; opacity: 0; pointer-events: none; }

/* Collapsed color picker (compact contexts, e.g. the note create/edit card): the swatch grid
   stays hidden behind a small trigger button until clicked, instead of always eating row width. */
.ta-color-picker-collapsed { position: relative; }
.ta-color-trigger {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1px solid var(--ta-border-soft);
    cursor: pointer;
    padding: 0;
}
.ta-color-popover {
    position: absolute;
    bottom: calc(100% + 6px);
    left: 0;
    z-index: 20;
    width: 180px;
    background: var(--ta-surface-raised);
    border: 1px solid var(--ta-border-soft);
    border-radius: var(--ta-radius-card);
    padding: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* ===== Buttons ===== */
.ta-btn {
    padding: 9px 16px;
    border-radius: var(--ta-radius-control);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    border: 1px solid var(--ta-border-soft);
    background: var(--ta-surface-raised);
    color: var(--ta-text);
    transition: opacity 0.1s;
    font-family: inherit;
}
.ta-btn:hover { opacity: 0.85; }
.ta-btn-primary { background: var(--ta-brand); color: var(--ta-checkbox-on-fg); border: none; box-shadow: 0 0 20px oklch(0.72 0.19 300 / 0.35); }
.ta-btn-danger { background: none; border: 1px solid var(--ta-danger); color: var(--ta-danger); }

.ta-detail-delete {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--ta-border);
}

/* ===== Modal ===== */
/* ===== Task/subtask right-click quick menu ===== */
#task-context-menu {
    display: none;
    position: fixed;
    z-index: 800;
    min-width: 180px;
    max-width: 220px;
    background: var(--ta-surface-raised);
    border: 1px solid var(--ta-border-soft);
    border-radius: var(--ta-radius-card);
    padding: 6px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}
.ta-context-menu-section { display: flex; flex-direction: column; gap: 2px; }
.ta-context-menu-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 6px 8px;
    border: none;
    border-radius: 6px;
    background: none;
    color: var(--ta-text-secondary);
    font-size: 13px;
    font-family: inherit;
    text-align: left;
    cursor: pointer;
}
.ta-context-menu-item:hover { background: var(--ta-surface); color: var(--ta-text); }
.ta-context-menu-item.active { color: var(--ta-brand); font-weight: 600; }
.ta-context-menu-item.ta-context-menu-danger { color: var(--ta-danger); }
.ta-context-menu-item.ta-context-menu-danger:hover { background: var(--ta-status-blocked-bg); }
.ta-context-menu-divider { height: 1px; background: var(--ta-border-soft); margin: 6px 2px; }
.ta-context-menu-tags { display: flex; flex-wrap: wrap; gap: 6px; padding: 4px 8px; }

.ta-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1050;
}
.ta-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1051;
    background: var(--ta-surface);
    border: 1px solid var(--ta-border);
    border-radius: 16px;
    width: 380px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.ta-modal-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 18px 20px 14px;
    border-bottom: 1px solid var(--ta-border);
    font-size: 14px;
    font-weight: 700;
    color: var(--ta-text);
}
.ta-modal-body { padding: 18px 20px 20px; }

/* ===== Toast ===== */
.ta-toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.ta-toast {
    background: var(--ta-surface-raised);
    color: var(--ta-text);
    border: 1px solid var(--ta-border);
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 13px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    animation: ta-slide-in 0.2s ease;
}
.ta-toast.error   { background: var(--ta-danger); color: #fff; border: none; }
.ta-toast.success { background: #16a34a; color: #fff; border: none; }

@keyframes ta-slide-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ===== Empty state ===== */
.ta-empty-state { text-align: center; padding: 48px 20px; color: var(--ta-text-faint); }
.ta-empty-icon  { font-size: 40px; margin-bottom: 12px; }
.ta-empty-title { font-size: 16px; font-weight: 600; color: var(--ta-text-secondary); margin-bottom: 6px; }
.ta-empty-sub   { font-size: 13px; }

/* Compact variant inside a (now narrow, masonry) sub-group section — deliberately understated,
   since this placeholder shows up constantly for freshly-created cards. */
.ta-subgroup-section .ta-empty-state { padding: 10px 8px; }
.ta-subgroup-section .ta-empty-icon  { font-size: 16px; margin-bottom: 4px; opacity: 0.6; }
.ta-subgroup-section .ta-empty-title { font-size: 12px; font-weight: 500; margin-bottom: 2px; }
.ta-subgroup-section .ta-empty-sub   { font-size: 11px; }

/* ===== Settings page ===== */
.ta-settings-page { flex: 1; overflow-y: auto; padding: 32px 40px; }
.ta-settings-content { display: flex; flex-direction: column; gap: 20px; max-width: 480px; }
.ta-settings-card {
    background: var(--ta-surface);
    border: 1px solid var(--ta-border);
    border-radius: var(--ta-radius-card);
    padding: 18px;
}
.ta-settings-section-label {
    font-size: 11px; font-weight: 700; letter-spacing: 0.06em; color: var(--ta-text-dimmer);
    text-transform: uppercase; margin-bottom: 12px;
}
.ta-theme-btn {
    flex: 1;
    padding: 10px 14px;
    border-radius: var(--ta-radius-control);
    border: 1px solid var(--ta-border-soft);
    background: var(--ta-surface);
    color: var(--ta-text-secondary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
}
.ta-theme-btn.active {
    background: var(--ta-brand);
    color: var(--ta-checkbox-on-fg);
    font-weight: 700;
    border: none;
}

/* ===== Account pages (register/login/reset — sidebar-less _AccountLayout) ===== */
.ta-account-main {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 20px;
}
.ta-account-card {
    width: 100%;
    max-width: 380px;
    background: var(--ta-surface);
    border: 1px solid var(--ta-border);
    border-radius: var(--ta-radius-card);
    padding: 28px;
}
.ta-account-title {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 4px;
}
.ta-account-subtitle {
    font-size: 13px;
    color: var(--ta-text-secondary);
    margin-bottom: 20px;
}
.ta-account-footer {
    margin-top: 18px;
    font-size: 13px;
    color: var(--ta-text-secondary);
    text-align: center;
}
.ta-account-footer a { color: var(--ta-accent-link); text-decoration: none; }
.ta-account-footer a:hover { text-decoration: underline; }

@media (max-width: 900px) {
    .ta-note-grid { --ta-masonry-item-width: 240px; }
    .ta-subgroup-sections { --ta-masonry-item-width: 260px; }

    /* ===== Mobile/tablet redesign ===== */
    .ta-mobile-topbar { display: flex; }

    /* Off-canvas sidebar: fixed overlay instead of a permanent 280px flex child, toggled by the
       hamburger button in .ta-mobile-topbar. Kept in the DOM/flex layout otherwise so nothing
       about desktop markup has to change. */
    .ta-sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        z-index: 600;
        transform: translateX(-100%);
        transition: transform 0.2s ease;
        box-shadow: 8px 0 24px rgba(0, 0, 0, 0.3);
    }
    body.ta-sidebar-open .ta-sidebar { transform: translateX(0); }
    .ta-sidebar-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 590;
    }
    body.ta-sidebar-open .ta-sidebar-backdrop { display: block; }

    /* The aside already overlays the board at every width (see .ta-detail-panel above) — on a
       narrow screen it should cover the full viewport instead of docking a 360px panel. */
    .ta-detail-panel.open { width: 100%; min-width: 0; }

    /* Touch-tuned drag-and-drop: task/subtask rows drag via a dedicated handle (added next to
       the checkbox) rather than the whole row, same as notes already do — there's no hover on
       touch, so the handle stays visible instead of only appearing on hover like on desktop. */
    .ta-task-drag-handle, .ta-subtask-drag-handle { opacity: 1; }
}
@media (max-width: 600px) {
    /* Force a single column — larger than any real container width. */
    .ta-note-grid { --ta-masonry-item-width: 9999px; }
    .ta-subgroup-sections { --ta-masonry-item-width: 9999px; }
}