/**
 * Tasks UI modernization — Phase 4A.1
 * All rules scoped under #tasksView.tasks-modern.
 * Do not style Dashboard #upcomingTasks. No !important.
 */

#tasksView.tasks-modern {
  --tasks-gap: 12px;
  --tasks-radius: 8px;
  --tasks-control: 36px;
  --tasks-touch: 44px;
  --tasks-ink: var(--ds-color-ink, var(--ink, #24262d));
  --tasks-muted: var(--ds-color-muted, var(--muted, #6b7280));
  --tasks-line: var(--ds-color-line, var(--line, #e5e7eb));
  --tasks-surface: #fff;
  --tasks-surface-quiet: #f8f9fa;
  --tasks-danger: var(--red, #b42318);
  --tasks-complete: var(--accent, #0f766e);
  --tasks-complete-ring: color-mix(in srgb, var(--tasks-complete) 45%, transparent);
  max-width: 100%;
  min-width: 0;
}

#tasksView.tasks-modern .tasks-page-header {
  margin-bottom: 14px;
}

#tasksView.tasks-modern .tasks-page-header__title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--tasks-ink);
  line-height: 1.25;
}

#tasksView.tasks-modern .tasks-page-header__sub {
  margin: 4px 0 0;
  font-size: 0.875rem;
  line-height: 1.4;
}

/* —— Bulk toolbar —— */
#tasksView.tasks-modern .task-bulk-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
  margin-bottom: var(--tasks-gap);
  padding: 8px 12px;
  border: 1px solid var(--tasks-line);
  border-radius: var(--tasks-radius);
  background: var(--tasks-surface);
  box-shadow: none;
}

#tasksView.tasks-modern .task-bulk-toolbar__left {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  min-width: 0;
}

#tasksView.tasks-modern .task-select-control {
  font-weight: 500;
  color: var(--tasks-ink);
  gap: 8px;
  min-height: var(--tasks-control);
}

#tasksView.tasks-modern .task-select-control input {
  width: 16px;
  height: 16px;
  accent-color: var(--tasks-ink);
}

#tasksView.tasks-modern #taskBulkSelectionLabel {
  color: var(--tasks-muted);
  font-size: 0.8125rem;
  font-weight: 500;
}

#tasksView.tasks-modern .task-bulk-toolbar__actions {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

#tasksView.tasks-modern .task-bulk-toolbar__actions .ghost-button.danger-button {
  min-height: var(--tasks-control);
  padding: 0 12px;
  border-color: var(--tasks-line);
  color: var(--tasks-muted);
  background: transparent;
  box-shadow: none;
  font-weight: 500;
}

#tasksView.tasks-modern .task-bulk-toolbar__actions .ghost-button.danger-button:not(:disabled):hover {
  color: var(--tasks-danger);
  border-color: color-mix(in srgb, var(--tasks-danger) 35%, var(--tasks-line));
  background: color-mix(in srgb, var(--tasks-danger) 6%, transparent);
}

#tasksView.tasks-modern .task-bulk-toolbar__actions .ghost-button.danger-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  color: var(--tasks-muted);
}

/* —— Layout ——
   Two-column only when completed panel keeps usable title width.
   Measured: @1024 with prior 1.45/0.9 split, done body ≈39px (FAIL).
   Collapse to one column below 1200px viewport. */
#tasksView.tasks-modern .tasks-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: var(--tasks-gap);
  align-items: start;
  min-width: 0;
}

#tasksView.tasks-modern .tasks-panel {
  margin: 0;
  min-width: 0;
  background: var(--tasks-surface);
  border: 1px solid var(--tasks-line);
  border-radius: var(--tasks-radius);
  box-shadow: none;
}

#tasksView.tasks-modern .tasks-panel .panel-heading {
  padding: 10px 12px;
  border-bottom: 1px solid var(--tasks-line);
  gap: 8px;
}

#tasksView.tasks-modern .tasks-panel .panel-heading h2 {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

#tasksView.tasks-modern .tasks-panel .panel-heading span {
  color: var(--tasks-muted);
  font-size: 0.8125rem;
  font-weight: 500;
}

#tasksView.tasks-modern .tasks-panel--done {
  background: var(--tasks-surface-quiet);
}

#tasksView.tasks-modern .tasks-panel--done .panel-heading h2 {
  font-weight: 550;
  color: color-mix(in srgb, var(--tasks-ink) 78%, var(--tasks-muted));
}

#tasksView.tasks-modern .task-stack {
  gap: 6px;
  padding: 8px;
  min-width: 0;
}

/* —— Task rows —— */
#tasksView.tasks-modern .task-item {
  grid-template-columns: 22px 22px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 8px 10px;
  padding: 10px 10px;
  border: 1px solid var(--tasks-line);
  border-radius: 6px;
  background: var(--tasks-surface);
  box-shadow: none;
  min-width: 0;
}

#tasksView.tasks-modern .task-item.compact {
  grid-template-columns: 22px minmax(0, 1fr) auto;
}

#tasksView.tasks-modern .task-select-checkbox,
#tasksView.tasks-modern .task-done-checkbox {
  margin: 0;
  flex-shrink: 0;
  cursor: pointer;
}

/* Selection: native square / neutral — bulk select */
#tasksView.tasks-modern .task-select-checkbox {
  width: 16px;
  height: 16px;
  accent-color: var(--tasks-ink);
  border-radius: 2px;
}

/*
 * Completion: custom ROUND control (appearance:none).
 * Native checkboxes ignore border-radius; unchecked must still look distinct.
 */
#tasksView.tasks-modern .task-done-checkbox {
  appearance: none;
  -webkit-appearance: none;
  box-sizing: border-box;
  width: 18px;
  height: 18px;
  border: 1.5px solid color-mix(in srgb, var(--tasks-complete) 55%, var(--tasks-line));
  border-radius: 999px;
  background-color: var(--tasks-surface);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px 10px;
  vertical-align: middle;
}

#tasksView.tasks-modern .task-done-checkbox:hover {
  border-color: var(--tasks-complete);
}

#tasksView.tasks-modern .task-done-checkbox:checked {
  background-color: var(--tasks-complete);
  border-color: var(--tasks-complete);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M3.5 8.2 6.4 11l6.1-6.5' stroke='%23fff' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

#tasksView.tasks-modern .task-done-checkbox:focus {
  outline: none;
}

#tasksView.tasks-modern .task-done-checkbox:focus-visible {
  outline: 2px solid var(--tasks-complete);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px var(--tasks-complete-ring);
}

#tasksView.tasks-modern .task-done-checkbox:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

#tasksView.tasks-modern .task-item__body {
  min-width: 0;
}

#tasksView.tasks-modern .task-item__title {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--tasks-ink);
  overflow-wrap: break-word;
  word-break: normal;
}

#tasksView.tasks-modern .task-item__meta {
  margin-top: 2px;
  gap: 0;
  font-size: 0.8125rem;
  color: var(--tasks-muted);
  min-width: 0;
}

#tasksView.tasks-modern .task-item__company,
#tasksView.tasks-modern .task-item__type {
  min-width: 0;
  overflow-wrap: break-word;
  word-break: normal;
}

#tasksView.tasks-modern .task-item__company::after {
  content: " · ";
  color: var(--tasks-muted);
}

#tasksView.tasks-modern .task-item__date {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 4px;
  border: 1px solid var(--tasks-line);
  background: var(--tasks-surface-quiet);
  color: var(--tasks-ink);
  font-size: 0.75rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  flex-shrink: 0;
}

#tasksView.tasks-modern .task-item__delete {
  width: 32px;
  height: 32px;
  min-height: 32px;
  flex-shrink: 0;
  opacity: 0.55;
}

#tasksView.tasks-modern .task-item__delete:hover {
  opacity: 1;
}

/* Completed quieter */
#tasksView.tasks-modern .task-item.done {
  opacity: 1;
  background: color-mix(in srgb, var(--tasks-surface-quiet) 80%, var(--tasks-surface));
  border-color: color-mix(in srgb, var(--tasks-line) 85%, transparent);
}

#tasksView.tasks-modern .task-item.done .task-item__title {
  font-weight: 500;
  color: color-mix(in srgb, var(--tasks-ink) 72%, var(--tasks-muted));
  text-decoration: none;
}

#tasksView.tasks-modern .task-item.done .task-item__date {
  background: transparent;
  color: var(--tasks-muted);
}

#tasksView.tasks-modern .empty-state {
  margin: 4px;
  padding: 18px 14px;
  border: 1px dashed var(--tasks-line);
  border-radius: 6px;
  background: transparent;
  color: var(--tasks-muted);
  font-size: 0.875rem;
  text-align: center;
}

/* —— Desktop balance —— */
@media (min-width: 1440px) {
  #tasksView.tasks-modern .tasks-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }
}

/* One column before completed cards become unusable (safe two-col min ≈ 1200). */
@media (max-width: 1199px) {
  #tasksView.tasks-modern .tasks-layout {
    grid-template-columns: 1fr;
  }
}

/* —— Mobile / narrow —— */
@media (max-width: 767px) {
  #tasksView.tasks-modern .tasks-page-header__title {
    font-size: 1.2rem;
  }

  #tasksView.tasks-modern .task-bulk-toolbar {
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
  }

  #tasksView.tasks-modern .task-bulk-toolbar__left {
    width: 100%;
  }

  #tasksView.tasks-modern .task-bulk-toolbar__actions {
    width: 100%;
    margin-left: 0;
  }

  #tasksView.tasks-modern .task-bulk-toolbar__actions .ghost-button.danger-button {
    flex: 1 1 auto;
    min-height: var(--tasks-touch);
  }

  #tasksView.tasks-modern .task-select-control {
    min-height: var(--tasks-touch);
  }

  #tasksView.tasks-modern .task-item {
    grid-template-columns: 22px 22px minmax(0, 1fr) auto;
    grid-template-areas:
      "select done body delete"
      "select done date delete"
      "extra extra extra extra";
    padding: 12px;
    gap: 6px 10px;
  }

  #tasksView.tasks-modern .task-select-checkbox {
    grid-area: select;
    width: 18px;
    height: 18px;
    min-width: 18px;
    min-height: 18px;
  }

  /* Visual circle ~20px; hit area >=44px via transparent padding */
  #tasksView.tasks-modern .task-done-checkbox {
    grid-area: done;
    width: var(--tasks-touch);
    height: var(--tasks-touch);
    min-width: var(--tasks-touch);
    min-height: var(--tasks-touch);
    border-width: 12px;
    border-style: solid;
    border-color: transparent;
    background-clip: padding-box;
    background-color: var(--tasks-surface);
    box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--tasks-complete) 55%, var(--tasks-line));
    background-size: 12px 12px;
  }

  #tasksView.tasks-modern .task-done-checkbox:hover {
    box-shadow: inset 0 0 0 1.5px var(--tasks-complete);
  }

  #tasksView.tasks-modern .task-done-checkbox:checked {
    background-color: var(--tasks-complete);
    border-color: transparent;
    box-shadow: inset 0 0 0 1.5px var(--tasks-complete);
  }

  #tasksView.tasks-modern .task-done-checkbox:focus-visible {
    outline-offset: 0;
  }

  #tasksView.tasks-modern .task-item__body {
    grid-area: body;
  }

  #tasksView.tasks-modern .task-item__date {
    grid-area: date;
    justify-self: start;
  }

  #tasksView.tasks-modern .task-item__delete {
    grid-area: delete;
    width: var(--tasks-touch);
    height: var(--tasks-touch);
    min-height: var(--tasks-touch);
  }

  #tasksView.tasks-modern .mobile-task-extra {
    grid-area: extra;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    width: 100%;
    margin-top: 4px;
    padding-top: 8px;
    border-top: 1px solid var(--tasks-line);
  }

  #tasksView.tasks-modern .mobile-task-extra .ghost-button {
    min-height: var(--tasks-touch);
    padding: 0 12px;
    font-size: 0.8125rem;
    font-weight: 500;
  }
}

@media (max-width: 390px) {
  #tasksView.tasks-modern .task-bulk-toolbar__actions .ghost-button.danger-button {
    flex: 1 1 100%;
  }
}