/* grid demo styles — plain CSS section. The library ships zero CSS. */

/* ── Demo layout ───────────────────────────────────────────────────────── */
.datagrid-demo {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
}

.datagrid-output { font-size: 0.875rem; color: var(--color-muted); }
.datagrid-output strong { color: var(--color-text); font-weight: 600; }

.datagrid-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    min-height: 2rem;
    font-size: 0.875rem;
    color: var(--color-muted);
}
.datagrid-toolbar strong { color: var(--color-text); font-weight: 600; }

.datagrid-button {
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 0.375rem;
    background: var(--color-surface);
    font: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
}
.datagrid-button:hover         { background: var(--color-fill); }
.datagrid-button:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.datagrid-button:disabled      { opacity: 0.5; cursor: not-allowed; }

/* ── Table-based grid ──────────────────────────────────────────────────── */
.datagrid-frame {
    width: 100%;
    overflow-x: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
}

.datagrid {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    color: var(--color-text);
}

.datagrid th,
.datagrid td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--color-border-subtle);
    text-align: start;
    white-space: nowrap;
    outline: none;
}

.datagrid thead th {
    background: var(--color-subtle);
    border-bottom-color: var(--color-border);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.datagrid tbody th { font-weight: 600; }               /* row headers */
.datagrid tbody tr:last-child > * { border-bottom: 0; }
.datagrid .num { text-align: end; font-variant-numeric: tabular-nums; }

/* Cells are the focus targets: one tab stop, arrow keys move it. */
.datagrid th:focus-visible,
.datagrid td:focus-visible { outline: 2px solid var(--color-focus); outline-offset: -2px; }

/* ── Sortable column headers ───────────────────────────────────────────── */
/* BitBhGridCell Sort="…" emits aria-sort="ascending|descending". */
.datagrid-sortable       { cursor: pointer; user-select: none; }
.datagrid-sortable:hover { color: var(--color-text); }
.datagrid th[aria-sort]  { color: var(--color-text); }

.datagrid-sort {
    display: inline-block;
    margin-inline-start: 0.25rem;
    color: var(--color-primary-text);
    opacity: 0;
    transition: transform 150ms ease, opacity 150ms ease;
}
.datagrid-sortable:hover .datagrid-sort             { opacity: 0.35; }
.datagrid th[aria-sort] .datagrid-sort              { opacity: 1; }
.datagrid th[aria-sort="descending"] .datagrid-sort { transform: rotate(180deg); }

/* ── Row selection ─────────────────────────────────────────────────────── */
/* Rows carry aria-selected="true|false" (and data-selected) when selectable. */
.datagrid-selectable tbody tr       { cursor: pointer; user-select: none; }
.datagrid-selectable tbody tr:hover { background: var(--color-subtle); }
.datagrid tbody tr[aria-selected="true"]       { background: var(--color-accent-subtle); }
.datagrid tbody tr[aria-selected="true"]:hover { background: var(--color-accent-muted); }

.datagrid .datagrid-check-cell { width: 2.5rem; }
.datagrid thead .datagrid-check-cell { cursor: pointer; }

.datagrid-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    height: 1rem;
    border: 1.5px solid var(--color-border-hover);
    border-radius: 0.25rem;
    background: var(--color-surface);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1;
    vertical-align: middle;
}
.datagrid tr[aria-selected="true"] .datagrid-check,
.datagrid-check[data-checked="true"],
.datagrid-check[data-checked="mixed"] { background: var(--color-primary); border-color: var(--color-primary); }
.datagrid tr[aria-selected="true"] .datagrid-check::after,
.datagrid-check[data-checked="true"]::after  { content: "✓"; }
.datagrid-check[data-checked="mixed"]::after { content: "–"; }

.datagrid-badge {
    display: inline-block;
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    background: var(--color-fill);
    color: var(--color-text-tertiary);
    font-size: 0.75rem;
    font-weight: 500;
}
.datagrid-badge[data-status="paid"]    { background: var(--color-success-muted); color: light-dark(#166534, #86efac); }
.datagrid-badge[data-status="pending"] { background: light-dark(#fef9c3, #3d2e0a); color: var(--color-warning-text); }
.datagrid-badge[data-status="overdue"] { background: light-dark(#fee2e2, #3a1717); color: light-dark(#991b1b, #fca5a5); }

/* ── Row activation (inbox) ────────────────────────────────────────────── */
.datagrid tr[data-unread] td { font-weight: 600; }

.datagrid-dot {
    display: inline-block;
    width: 0.5rem;
    height: 0.5rem;
    margin-inline-end: 0.5rem;
    border-radius: 50%;
    background: var(--color-primary);
    vertical-align: middle;
}
.datagrid tr:not([data-unread]) .datagrid-dot { visibility: hidden; }

.datagrid-preview {
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    background: var(--color-subtle);
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}
.datagrid-preview strong { display: block; margin-bottom: 0.25rem; color: var(--color-text); }

/* ── Treegrid ──────────────────────────────────────────────────────────── */
/* Rows carry aria-level, data-level and --bit-bh-grid-level; rows under a
   collapsed parent get the hidden attribute. */
.treegrid-name {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding-inline-start: calc((var(--bit-bh-grid-level, 1) - 1) * 1.25rem);
}

.treegrid-toggle {
    display: inline-flex;
    flex: none;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 0.25rem;
    color: var(--color-faint);
    font-size: 0.75rem;
    cursor: pointer;
    transition: transform 150ms ease;
}
.treegrid-toggle:hover { background: var(--color-fill-strong); color: var(--color-text); }
.datagrid tr[data-state="open"] .treegrid-toggle { transform: rotate(90deg); }

.treegrid-spacer { flex: none; width: 1.25rem; }

/* ── Div-based grid (calendar) ─────────────────────────────────────────── */
.calendar-card {
    display: inline-flex;
    flex-direction: column;
    align-self: flex-start;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text);
}

.calendar-title { font-weight: 600; }

/* BitBhGrid, BitBhGridRowGroup and BitBhGridRow render plain <div>s by default. */
.calendar,
.calendar-weeks { display: flex; flex-direction: column; gap: 0.25rem; }

.calendar-row {
    display: grid;
    grid-template-columns: repeat(7, 2.25rem);
    gap: 0.25rem;
}

.calendar-weekday,
.calendar-day {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.375rem;
    outline: none;
}

.calendar-weekday { height: 2rem; font-size: 0.75rem; font-weight: 600; color: var(--color-muted); }
.calendar-weekday abbr { text-decoration: none; }

.calendar-day { height: 2.25rem; cursor: pointer; user-select: none; }
.calendar-day:hover { background: var(--color-fill); }

.calendar-weekday:focus-visible,
.calendar-day:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }

/* aria-current / aria-selected / aria-disabled are set by the page on each cell. */
.calendar-day[aria-current="date"]  { font-weight: 700; box-shadow: inset 0 0 0 1px #93c5fd; }
.calendar-day[aria-selected="true"] { background: var(--color-primary); color: #fff; }
.calendar-day[aria-disabled="true"] { color: var(--color-disabled); cursor: default; background: transparent; }