/* ═══════════════════════════════════════════════════════════
   Tasks: one list grouped by due date (Today, Upcoming,
   No due date, Completed) with Task · Due date · Record ·
   Assigned to columns, edge to edge under the toolbar.
   Markup: modules/features/tasks.js and #task-modal in index.html
   ═══════════════════════════════════════════════════════════ */

.tl-page {
  --tl-cols: minmax(0, 2.4fr) minmax(130px, 1fr) minmax(150px, 1.1fr) minmax(150px, 1fr);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.tl-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ── Toolbar ───────────────────────────────────────────── */

.tl-toolbar {
  padding: var(--space-3) var(--page-gutter);
  border-bottom: 1px solid var(--border-color);
}

/* ── Table ─────────────────────────────────────────────── */

.tl-table {
  background: var(--bg-secondary);
}

.tl-head,
.tl-row {
  display: grid;
  grid-template-columns: var(--tl-cols);
  align-items: center;
}

.tl-head {
  min-height: 38px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: var(--type-sm);
  font-weight: 500;
}

.tl-col {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  padding: 0 var(--space-4);
}

.tl-col + .tl-col {
  border-left: 1px solid var(--border-color-light);
  align-self: stretch;
}

/* The first and last columns line up with the toolbar */
.tl-head > :first-child,
.tl-row > :first-child {
  padding-left: var(--page-gutter);
}

.tl-head > :last-child,
.tl-row > :last-child {
  padding-right: var(--page-gutter);
}

/* Group header: a full-width band with a chevron and a count */
.tl-group-head {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  min-height: 36px;
  padding: 0 var(--page-gutter);
  border: 0;
  border-bottom: 1px solid var(--border-color-light);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font: inherit;
  font-size: var(--type-sm);
  font-weight: 500;
  text-align: left;
  cursor: pointer;
}

.tl-group-head:hover {
  color: var(--text-primary);
}

.tl-group-head:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.tl-group-chevron {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.tl-group.is-collapsed .tl-group-chevron {
  transform: rotate(-90deg);
}

.tl-group-count {
  min-width: 18px;
  padding: 0 5px;
  border-radius: var(--radius-xs);
  background: var(--bg-gray);
  color: var(--text-secondary);
  font-size: var(--type-xxs);
  font-weight: 600;
  line-height: 18px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* Rows */
.tl-row {
  min-height: 52px;
  border-bottom: 1px solid var(--border-color-light);
  cursor: pointer;
  transition: background var(--transition-fast);
}

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

.tl-row:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.tl-cell {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  padding: var(--space-2) var(--space-4);
  font-size: var(--type-md);
  color: var(--text-primary);
}

.tl-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tl-flag {
  display: inline-flex;
  color: var(--color-danger);
}

.tl-flag .tl-icon {
  width: 13px;
  height: 13px;
}

/* Due date */
.tl-col--due.tl-cell {
  color: var(--text-secondary);
  white-space: nowrap;
}

.tl-col--due.is-today {
  color: var(--text-primary);
  font-weight: 500;
}

.tl-col--due.is-overdue {
  color: var(--color-danger);
}

/* Done rows fade back */
.tl-row.is-done .tl-title,
.tl-row.is-done .tl-cell {
  color: var(--text-muted);
}

.tl-row.is-done .tl-chip {
  opacity: 0.6;
}

/* The round done checkbox */
.tl-check {
  position: relative;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  /* Touch screens give every button a 40px minimum height, which would
     stretch the circle; ::before gives it a larger tap area instead */
  min-width: 0;
  min-height: 0;
  padding: 0;
  border: 1.5px solid var(--text-muted);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  opacity: 0.7;
  transition: border-color var(--transition-fast), background var(--transition-fast), opacity var(--transition-fast);
}

.tl-check:not(.is-static)::before {
  content: '';
  position: absolute;
  inset: -10px;
}

.tl-check::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 4px;
  height: 8px;
  border: solid #ffffff;
  border-width: 0 1.75px 1.75px 0;
  transform: rotate(45deg);
  opacity: 0;
}

.tl-check:not(.is-static):hover {
  border-color: var(--color-primary);
  opacity: 1;
}

.tl-check:not(.is-static):not(.is-checked):hover::after {
  border-color: var(--color-primary);
  opacity: 0.5;
}

.tl-check.is-checked {
  border-color: var(--color-primary);
  background: var(--color-primary);
  opacity: 1;
}

.tl-check.is-checked::after {
  opacity: 1;
}

.tl-check.is-static {
  cursor: default;
}

.tl-check:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Record and person chips */
.tl-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 100%;
  min-width: 0;
  height: 26px;
  padding: 0 var(--space-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font: inherit;
  font-size: var(--type-sm);
  font-weight: 500;
}

.tl-chip > span:last-child {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

button.tl-chip {
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

button.tl-chip:hover {
  border-color: var(--text-muted);
  background: var(--bg-hover);
}

.tl-chip-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--color-warning);
}

.tl-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  color: #ffffff;
  font-size: 10px;
  font-weight: 600;
}

/* Empty */
.tl-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-9) var(--space-4);
  text-align: center;
}

.tl-empty-title {
  font-size: var(--type-md);
  font-weight: 600;
  color: var(--text-primary);
}

.tl-empty-text {
  max-width: 320px;
  margin-bottom: var(--space-2);
  font-size: var(--type-sm);
  color: var(--text-muted);
}

.tl-empty .btn {
  gap: 6px;
}

/* ── Narrow screens: the columns fold under the title ──── */

@media (max-width: 900px) {
  .tl-page {
    --tl-cols: minmax(0, 2fr) minmax(110px, 1fr) minmax(120px, 1fr);
  }

  .tl-col--assignee {
    display: none;
  }
}

@media (max-width: 640px) {
  /* Toolbar: search and New Task share the top line; the filters scroll
     sideways on the second, with Sort pinned at its end */
  #tl-fb {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-2);
  }

  #tl-fb .fb-actions {
    display: contents;
  }

  #tl-fb .fb-search {
    grid-area: 1 / 1;
  }

  #tl-fb #add-task-btn {
    grid-area: 1 / 2;
    height: 36px;
    min-height: 0;
  }

  #tl-fb .fb-filters {
    grid-area: 2 / 1;
  }

  #tl-fb .fb-dd[data-dd-id="tl-sort"] {
    grid-area: 2 / 2;
  }

  .tl-head {
    display: none;
  }

  /* Title on top; due date, deal and assignee wrap on the line under it */
  .tl-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px var(--space-2);
    padding: var(--space-3) var(--page-gutter) var(--space-3) calc(var(--page-gutter) + 18px + var(--space-2));
  }

  .tl-row .tl-cell,
  .tl-row > :first-child,
  .tl-row > :last-child {
    padding: 0;
    font-size: var(--type-sm);
  }

  .tl-row .tl-col--task {
    flex: 1 0 100%;
    margin-left: calc(-18px - var(--space-2));
    font-size: var(--type-md);
  }

  .tl-row .tl-col--due:empty,
  .tl-row .tl-col--record:empty,
  .tl-row .tl-col--assignee:empty {
    display: none;
  }

  .tl-row .tl-col--record {
    flex: 0 1 auto;
    max-width: 60%;
  }

  .tl-row .tl-col--assignee {
    display: flex;
  }

  /* Just the avatar for the assignee */
  .tl-chip--person {
    padding: 0;
    border: 0;
    background: transparent;
  }

  .tl-chip--person > span:last-child {
    display: none;
  }

  .tl-chip {
    height: 22px;
    min-height: 0;
    font-size: var(--type-xs);
  }
}