/*
 * C2 A-26 Categories (category list 320px + the selected category's panel) and the A-27 "Delete
 * subcategory" dialog. Subcategory rows sit on the page color inside the surface panel; the row
 * being renamed gets the blue ring.
 */
@layer pages {
  .cats {
    display: grid;
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  /* Category list -------------------------------------------------------------------------------- */
  .cats__list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
  }
  .cats__item {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 58px;
    padding: 8px 16px;
    border-radius: var(--radius-row);
    background: var(--color-surface);
    color: var(--color-text);
    text-decoration: none;
  }
  .cats__item:hover { color: var(--color-text); box-shadow: 0 0 0 2px var(--color-divider); }
  .cats__item.is-selected {
    background: var(--color-bg);
    box-shadow: 0 0 0 2px var(--color-blue);
  }
  .cats__item .petal {
    align-self: center;
    flex: 0 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .cats__counts {
    flex: none;
    margin-left: auto;
    color: var(--color-neutral-700);
    font-size: 12.5px;
    white-space: nowrap;
  }
  .cats__item > .icon { flex: none; font-size: 15px; }

  /* Panel ------------------------------------------------------------------------------------------ */
  .cats__panel { min-width: 0; }
  .cats__head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
  }
  .cats__title {
    display: flex;
    margin: 0;
    font-size: inherit;
    line-height: 1.55;
    letter-spacing: 0;
  }
  .cats__title .petal { align-self: center; }
  .cats__docs { color: var(--color-neutral-700); font-size: 13px; }
  .cats__actions {
    display: flex;
    gap: 6px;
    margin-left: auto;
  }
  .cats__hint {
    margin: 0;
    color: var(--color-neutral-700);
    font-size: 12.5px;
    line-height: 1.45;
  }

  /* Subcategory rows -------------------------------------------------------------------------------- */
  .cats-rows {
    --list-cols: 28px minmax(0, 1fr) 110px 210px;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .cats-rows__items {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .cats-rows__empty {
    margin: 0;
    padding: 6px 20px;
    color: var(--color-neutral-700);
    font-size: 13.5px;
  }

  .cats-row {
    min-height: 58px;
    background: var(--color-bg);
  }
  .cats-row.is-editing { box-shadow: 0 0 0 2px var(--color-blue); }
  .cats-row__grip { display: flex; }
  .cats-row__grip .drag-handle { margin-left: -6px; color: var(--color-neutral-600); font-size: 16px; }
  .cats-row__name { min-width: 0; overflow-wrap: anywhere; }
  .cats-row__form {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin: 0;
  }
  .cats-row__form[hidden] { display: none; }
  .cats-row__input,
  .cats-row__input:hover {
    padding-left: 17.5px;
    border: 2px solid var(--color-blue);
  }
  .cats-row__actions { display: flex; justify-content: flex-end; }
  .cats-row__view,
  .cats-row__edit {
    display: flex;
    align-items: center;
    gap: 4px;
  }
  .cats-row__view[hidden],
  .cats-row__edit[hidden] { display: none; }
  .cats-row__delete {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 38px;
    padding: 0 12px;
    border: 0;
    border-radius: var(--radius-pill);
    background: none;
    color: var(--color-err-text);
    font-size: 13.5px;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
  }
  .cats-row__delete .icon { font-size: 15px; }
  .cats-row__delete:hover { background: var(--color-err-soft); color: var(--color-err-text); }

  /* Add Subcategory: the dashed row under the list. */
  .cats-add {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0;
    padding: 10px 10px 10px 20px;
    border: 2px dashed var(--color-neutral-400);
    border-radius: var(--radius-row);
  }
  .cats-add:focus-within { border-color: var(--color-blue); }
  .cats-add.is-invalid { border-color: var(--color-err); }
  .cats-add > .icon { flex: none; font-size: 17px; }
  .cats-add__input {
    flex: 1;
    min-width: 0;
    height: 38px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--color-text);
    font-size: 14px;
  }
  .cats-add__input::placeholder { color: var(--color-neutral-700); opacity: 1; }
  .cats-add__input:focus { outline: none; }
  .cats-add__error { padding: 0 20px; }

  /* Dialogs: Add / Rename Category, A-27 -------------------------------------------------------------- */
  .cats-dialog__form,
  .cats-delete__form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 0;
  }
  .cats-delete__documents {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 13.5px;
  }
  .cats-delete__documents li {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
  }
  .cats-delete__documents .icon { flex: none; font-size: 15px; }
  .cats-delete__documents span { min-width: 0; overflow-wrap: anywhere; }
  .cats-delete__more { color: var(--color-neutral-700); }
  .cats-delete__submit,
  .cats-delete__submit:hover { background: var(--color-err); color: #fff; }
  .cats-delete__submit:hover { background: var(--color-err-text); }

  /* Laptop and tablet: the list sits above the panel, two or three across. */
  @media (max-width: 1199px) {
    .cats { grid-template-columns: minmax(0, 1fr); gap: 16px; }
    .cats__list {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
    }
  }

  @media (max-width: 767px) {
    /* Phones: the categories scroll sideways above the panel. */
    .cats__list {
      display: flex;
      flex-direction: row;
      margin: -2px -18px;
      padding: 2px 18px;
      overflow-x: auto;
      scrollbar-width: none;
    }
    .cats__list::-webkit-scrollbar { display: none; }
    .cats__item { flex: none; min-width: 240px; }
    .cats__item.is-selected { order: -1; } /* the open category leads the line, so it is never scrolled out of view */

    .cats__panel { padding: 18px; }
    .cats__actions { margin-left: 0; flex-basis: 100%; }
    .cats__actions .btn { min-height: 44px; }

    .cats-row {
      grid-template-columns: 28px minmax(0, 1fr) auto;
      grid-template-areas: "grip name actions" "grip count actions";
      gap: 2px 10px;
      padding: 10px 12px 10px 16px;
    }
    .cats-row.is-editing { grid-template-areas: "grip name name" "grip actions actions"; }
    .cats-row.is-editing .cats-row__count { display: none; }
    .cats-row__grip { grid-area: grip; }
    .cats-row__name { grid-area: name; }
    .cats-row__count { grid-area: count; color: var(--color-neutral-700); font-size: 12.5px; }
    .cats-row__actions { grid-area: actions; }
    .cats-row__delete { min-height: 44px; padding: 0 8px; }
    .cats-row__grip .drag-handle { height: 44px; }

    .cats-add { flex-wrap: wrap; padding: 10px 12px 10px 16px; }
    .cats-add__input { flex-basis: calc(100% - 40px); height: 44px; }
    .cats-add .btn { flex: 1; }
  }
}