/* Expenses — group expense list, detail, and split form */

@layer components {
  /* ── Expense list ── */

  .expense-list {
    display: flex;
    flex-direction: column;
  }

  .expense-list__item {
    display: flex;
    align-items: center;
    gap: var(--inline-space);
    padding: var(--block-space) var(--inline-space-l);
    border-top: 1px solid var(--color-border);
    color: var(--color-ink);
    text-decoration: none;

    &:hover {
      background: color-mix(in oklch, var(--color-accent) 5%, var(--color-surface));
    }
  }

  .expense-list__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--color-ink-muted);

    & svg {
      width: 100%;
      height: 100%;
    }
  }

  .expense-list__details {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
  }

  .expense-list__title {
    font-weight: 600;
    color: var(--color-ink);
  }

  .expense-list__meta {
    font-size: 0.8125rem;
    color: var(--color-ink-muted);
  }

  .expense-list__amount-col {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.125rem;
  }

  .expense-list__amount {
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
  }

  .expense-list__original {
    font-size: 0.75rem;
    color: var(--color-ink-muted);
    font-variant-numeric: tabular-nums;
  }

  .expense-list__split {
    font-size: 0.75rem;
    color: var(--color-accent);
    font-variant-numeric: tabular-nums;
  }

  .expense-list__loading {
    padding: var(--block-space) var(--inline-space-l);
    text-align: center;
    color: var(--color-ink-muted);
    font-size: 0.875rem;
  }

  .expense-list__actions {
    padding: var(--block-space-l) var(--inline-space-l);
    border-top: 1px solid var(--color-border);
  }

  .expense-export-buttons {
    display: flex;
    gap: 0.5rem;
    margin-block-start: var(--block-space);
  }

  /* ── Expense detail ── */

  .expense-detail {
    padding: var(--block-space-l) var(--inline-space-l);
  }

  .expense-detail__header {
    display: flex;
    align-items: center;
    gap: var(--inline-space);
    margin-block-end: var(--block-space-l);
  }

  .expense-detail__icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    color: var(--color-accent);

    & svg {
      width: 100%;
      height: 100%;
    }
  }

  .expense-detail__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-ink);
    margin: 0;
  }

  .expense-detail__meta {
    font-size: 0.8125rem;
    color: var(--color-ink-muted);
    margin: 0;
  }

  .expense-detail__amount {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    margin-block-end: var(--block-space);
  }

  .expense-detail__amount-value {
    font-size: 2rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--color-ink);
  }

  .expense-detail__amount-currency {
    font-size: 1rem;
    color: var(--color-ink-muted);
    font-weight: 600;
  }

  .expense-detail__conversion {
    font-size: 0.875rem;
    color: var(--color-ink-muted);
    margin-block-end: var(--block-space);
  }

  .expense-detail__rate {
    font-size: 0.75rem;
    color: var(--color-ink-muted);
  }

  .expense-detail__payer {
    color: var(--color-ink-muted);
    margin-block-end: var(--block-space-l);
  }

  .expense-detail__receipt {
    margin-block-end: var(--block-space-l);
  }

  .expense-detail__receipt-img {
    max-width: 100%;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
  }

  .expense-detail__splits {
    margin-block-start: var(--block-space-l);
    border-top: 1px solid var(--color-border);
    padding-block-start: var(--block-space-l);
  }

  .expense-detail__splits-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-ink-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-block-end: var(--block-space);
  }

  .expense-detail__actions {
    display: flex;
    gap: var(--inline-space);
    margin-block-start: var(--block-space-l);
    padding-block-start: var(--block-space-l);
    border-top: 1px solid var(--color-border);
  }

  /* ── Category filters ── */

  .expense-category-filters {
    display: flex;
    gap: 0.375rem;
    overflow-x: auto;
    padding-block-end: var(--block-space);
    scrollbar-width: none;

    &::-webkit-scrollbar {
      display: none;
    }
  }

  .expense-category-filters__pill {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-ink-muted);
    font-size: 0.8125rem;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;

    &:hover {
      border-color: var(--color-accent);
      color: var(--color-ink);
    }

    &--active {
      background: color-mix(in oklch, var(--color-accent) 15%, var(--color-surface));
      border-color: var(--color-accent);
      color: var(--color-ink);
      font-weight: 600;
    }
  }

  .expense-category-filters__icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;

    & svg {
      width: 100%;
      height: 100%;
    }
  }

  /* ── Expense filters ── */

  .expense-filters {
    display: flex;
    flex-direction: column;
    gap: var(--block-space);
    margin-block-end: var(--block-space);
  }

  .expense-filters__search input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.875rem;
    background: var(--color-surface);
    color: var(--color-ink);

    &::placeholder {
      color: var(--color-ink-muted);
    }
  }

  .expense-filters__dates {
    display: flex;
    align-items: center;
    gap: 0.5rem;

    & input {
      flex: 1;
      padding: 0.375rem 0.5rem;
      border: 1px solid var(--color-border);
      border-radius: var(--radius);
      font-size: 0.8125rem;
      background: var(--color-surface);
      color: var(--color-ink);
    }
  }

  .expense-filters__dates-sep {
    color: var(--color-ink-muted);
    font-size: 0.8125rem;
  }

  .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  /* ── Expense form ── */

  .expense-form__row {
    display: flex;
    gap: var(--inline-space);

    & .field {
      flex: 1;
    }
  }

  /* ── Split form ── */

  .expense-split-fieldset {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--block-space) var(--inline-space-l);
    margin-block: var(--block-space-l);

    & legend {
      font-weight: 600;
      padding-inline: 0.5rem;
    }
  }

  .expense-split-members {
    display: flex;
    flex-direction: column;
    gap: var(--block-space-s);
    margin-block-start: var(--block-space);
  }

  .expense-split-members__item {
    display: flex;
    align-items: center;
    gap: var(--inline-space);
    cursor: pointer;
  }

  .expense-split-preview {
    margin-block-start: var(--block-space);
    font-size: 0.875rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

  .expense-split-preview__item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.25rem 0;
    color: var(--color-ink);

    &--excluded {
      color: var(--color-ink-muted);
      text-decoration: line-through;
    }
  }

  .expense-split-preview__amount {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--color-accent);
  }

  .expense-split-preview__empty {
    color: var(--color-ink-muted);
    margin: 0;
  }

  /* ── Split mode toggle ── */

  .expense-split-mode {
    display: flex;
    gap: var(--inline-space-l);
    align-items: center;
    margin-block-end: var(--block-space);

    & input[type="radio"] {
      margin: 0;
    }

    & label {
      font-weight: 500;
      cursor: pointer;
    }
  }

  /* ── Custom split ── */

  .expense-custom-split {
    display: flex;
    flex-direction: column;
    gap: var(--block-space-s);
    margin-block-start: var(--block-space);
  }

  .expense-custom-split__row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .expense-custom-split__name {
    flex: 1;
    min-width: 0;
    font-weight: 500;
  }

  .expense-custom-split__input {
    width: 5rem;
    padding: 0.375rem 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-variant-numeric: tabular-nums;
  }

  .expense-custom-split__mode {
    padding: 0.375rem 0.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.8125rem;
    background: var(--color-surface);
  }

  .expense-custom-split__resolved {
    font-size: 0.8125rem;
    color: var(--color-ink-muted);
    min-width: 3.5rem;
    text-align: right;
    font-variant-numeric: tabular-nums;
  }

  .expense-custom-split__total {
    margin-block-start: var(--block-space);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.875rem;
    font-variant-numeric: tabular-nums;
    text-align: center;

    &--match {
      background: color-mix(in oklch, var(--color-accent) 10%, var(--color-surface));
      color: var(--color-accent);
    }

    &--mismatch {
      background: color-mix(in oklch, oklch(0.6 0.2 25) 10%, var(--color-surface));
      color: oklch(0.6 0.2 25);
    }
  }

  /* ── Shares split ── */

  .expense-shares-split {
    display: flex;
    flex-direction: column;
    gap: var(--block-space-s);
    margin-block-start: var(--block-space);
  }

  .expense-shares-split__row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .expense-shares-split__name {
    flex: 1;
    min-width: 0;
    font-weight: 500;
  }

  .expense-shares-split__stepper {
    display: flex;
    align-items: center;
    gap: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
  }

  .expense-shares-split__btn {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--color-surface);
    color: var(--color-ink);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;

    &:hover {
      background: color-mix(in oklch, var(--color-accent) 10%, var(--color-surface));
    }
  }

  .expense-shares-split__input {
    width: 2.5rem;
    height: 2rem;
    text-align: center;
    border: none;
    border-inline: 1px solid var(--color-border);
    font-size: 0.875rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    -moz-appearance: textfield;

    &::-webkit-inner-spin-button,
    &::-webkit-outer-spin-button {
      -webkit-appearance: none;
      margin: 0;
    }
  }

  .expense-shares-split__resolved {
    font-size: 0.875rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--color-accent);
    min-width: 3.5rem;
    text-align: right;
  }

  .expense-shares-split__total {
    margin-block-start: var(--block-space);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-ink-muted);
    text-align: center;
  }

  /* ── Receipt preview in form ── */

  .expense-receipt-preview {
    margin-block-start: var(--block-space);
  }

  .expense-receipt-preview__img {
    max-width: 200px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
  }
}