/* Numeri — stili dei componenti. Ogni valore viene dai token (tokens.css). */
body { margin: 0; font-family: var(--font-sans); font-size: 13px; line-height: 18px; background: var(--surface); color: var(--ink); -webkit-font-smoothing: antialiased; }
.nu-icon { display: block; flex: none; }
.nu-pad { padding: var(--space-4); }
.nu-row { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; }
/* Allineamento: tutto sulla griglia da 4px, controlli vicini con la stessa altezza e la stessa linea di mezzo */
.nu-td, .nu-th { vertical-align: middle; }
.nu-stack { display: grid; gap: var(--space-3); }
:where(button, input):focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 1px; }

/* Kbd */
.nu-kbd { display: inline-flex; gap: 2px; align-items: center; }
.nu-kbd kbd { font-family: var(--font-sans); font-size: 11px; line-height: 16px; min-width: 16px; padding: 0 4px; text-align: center; border-radius: 4px; color: var(--ink-muted); background: var(--surface); border: 1px solid var(--line); }

/* Button */
.nu-btn { box-sizing: border-box; font: inherit; font-weight: 500; display: inline-flex; align-items: center; justify-content: center; gap: var(--space-1); border-radius: var(--radius-sm); border: 1px solid transparent; cursor: pointer; white-space: nowrap; transition: background var(--duration-fast), transform var(--duration-fast); }
.nu-btn:active:not(:disabled) { transform: scale(.97); }
.nu-btn:disabled { opacity: .45; cursor: default; }
.nu-btn-sm { height: var(--control-sm, 24px); padding: 0 var(--space-2); font-size: 12px; }
.nu-btn-md { height: var(--control-md, 32px); padding: 0 var(--space-3); }
.nu-btn-lg { height: var(--control-lg, 40px); padding: 0 var(--space-4); font-size: 14px; }
.nu-btn-icononly.nu-btn-sm { width: var(--control-sm, 24px); padding: 0; }
.nu-btn-icononly.nu-btn-md { width: var(--control-md, 32px); padding: 0; }
.nu-btn-icononly.nu-btn-lg { width: var(--control-lg, 40px); padding: 0; }
.nu-btn-primary { background: var(--accent); color: var(--on-accent); box-shadow: var(--shadow-control); }
.nu-btn-primary:hover:not(:disabled) { filter: brightness(1.08); }
.nu-btn-secondary { background: var(--surface-raised); color: var(--ink); border-color: var(--line-control); box-shadow: var(--shadow-control); }
.nu-btn-secondary:hover:not(:disabled) { background: var(--surface-hover); }
.nu-btn-plain { background: transparent; color: var(--accent); }
.nu-btn-plain:hover:not(:disabled) { background: var(--accent-soft); }
.nu-btn-destructive { background: var(--surface-raised); color: var(--negative); border-color: var(--line-control); }
.nu-btn-destructive:hover:not(:disabled) { background: var(--negative-soft); }
.nu-btn-kbd { margin-left: var(--space-1); }
.nu-btn-primary .nu-kbd kbd { background: transparent; border-color: currentColor; color: inherit; opacity: .8; }

/* SegmentedControl */
.nu-seg { box-sizing: border-box; height: var(--control-md, 32px); vertical-align: middle; display: inline-flex; align-items: stretch; padding: 2px; gap: 2px; border-radius: var(--radius-sm); background: var(--surface-sidebar); border: 1px solid var(--line); }
.nu-seg-item { font: inherit; font-weight: 500; display: inline-flex; align-items: center; gap: var(--space-1); padding: 0 var(--space-3); border: 0; border-radius: 5px; background: transparent; color: var(--ink-muted); cursor: pointer; white-space: nowrap; }
.nu-seg-item:hover { color: var(--ink); }
.nu-seg-item.is-on { background: var(--surface-raised); color: var(--ink); box-shadow: var(--shadow-control); }
.nu-seg-sm { height: var(--control-sm, 24px); }
.nu-seg-sm .nu-seg-item { font-size: 12px; padding: 0 var(--space-2); }

/* SearchField */
.nu-search { box-sizing: border-box; display: flex; align-items: center; gap: var(--space-2); height: var(--control-md, 32px); padding: 0 var(--space-2); border-radius: var(--radius-sm); background: var(--surface-raised); border: 1px solid var(--line-control); color: var(--ink-muted); min-width: 0; }
.nu-search:focus-within { outline: 3px solid var(--focus-ring); outline-offset: 1px; }
.nu-search input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; font: inherit; color: var(--ink); }
.nu-search input::placeholder { color: var(--ink-muted); }
.nu-search input::-webkit-search-cancel-button { display: none; }
.nu-search-clear { border: 0; background: var(--line); color: var(--ink-muted); width: 16px; height: 16px; border-radius: 50%; display: grid; place-items: center; padding: 0; cursor: pointer; }

/* Toolbar */
.nu-toolbar { display: flex; align-items: flex-start; gap: var(--space-4); padding: var(--space-2) var(--space-4); background: var(--surface-bar); border-bottom: 1px solid var(--line); min-width: 0; flex-wrap: wrap; }
.nu-toolbar-title { min-width: 0; margin-right: var(--space-2); margin-top: 4px; min-height: var(--control-md, 32px); display: flex; flex-direction: column; justify-content: center; }
.nu-toolbar-name { font-family: var(--font-display); font-size: 15px; line-height: 20px; font-weight: 600; white-space: nowrap; }
.nu-toolbar-sub { font-size: 12px; line-height: 16px; color: var(--ink-muted); white-space: nowrap; }
.nu-toolbar-groups { display: flex; gap: var(--space-3); align-items: flex-start; flex-wrap: wrap; min-width: 0; }
.nu-toolbar-group { display: grid; justify-items: center; gap: 2px; }
.nu-toolbar-items { display: flex; gap: 2px; }
.nu-toolbar-glabel { font-size: 10px; line-height: 12px; font-weight: 600; letter-spacing: .3px; text-transform: uppercase; color: var(--ink-muted); }
.nu-tool { font: inherit; display: grid; justify-items: center; gap: 2px; min-width: 52px; padding: 4px 6px; border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--ink); cursor: pointer; }
.nu-tool-ico { display: grid; place-items: center; width: var(--control-lg, 40px); height: var(--control-md, 32px); border-radius: var(--radius-sm); background: var(--surface-raised); box-shadow: var(--shadow-control); color: var(--ink); transition: background var(--duration-fast); }
.nu-tool-label { font-size: 11px; line-height: 14px; color: var(--ink-muted); white-space: nowrap; }
.nu-tool:hover .nu-tool-ico { background: var(--surface-hover); }
.nu-tool:hover .nu-tool-label { color: var(--ink); }
.nu-tool.is-primary .nu-tool-ico { background: var(--accent); color: var(--on-accent); }
.nu-tool.is-active .nu-tool-ico { background: var(--accent-soft); color: var(--accent); box-shadow: none; }
.nu-tool.is-active .nu-tool-label { color: var(--accent); }
.nu-tool:disabled { opacity: .4; cursor: default; }
.nu-toolbar-end { margin-top: 4px; min-height: var(--control-md, 32px); margin-left: auto; display: flex; gap: var(--space-2); align-items: center; min-width: 0; }

/* Menu */
.nu-menu { display: grid; padding: 5px; min-width: 220px; border-radius: var(--radius-md); background: var(--surface-raised); box-shadow: var(--shadow-popover); }
.nu-menu-item { font: inherit; display: grid; grid-template-columns: 18px 1fr auto; align-items: center; gap: var(--space-2); height: var(--control-md, 32px); padding: 0 var(--space-2); border: 0; border-radius: 6px; background: transparent; color: var(--ink); text-align: left; cursor: pointer; }
.nu-menu-item:hover:not(:disabled), .nu-menu-item:focus-visible { background: var(--accent); color: var(--on-accent); outline: 0; }
.nu-menu-item:hover:not(:disabled) .nu-kbd kbd { color: var(--on-accent); background: transparent; border-color: transparent; }
.nu-menu-item.is-danger { color: var(--negative); }
.nu-menu-item.is-danger:hover:not(:disabled) { background: var(--negative); color: var(--surface-raised); }
.nu-menu-item:disabled { color: var(--ink-muted); opacity: .6; cursor: default; }
.nu-menu-ico { display: grid; place-items: center; }
.nu-menu-kbd kbd { border-color: transparent; background: transparent; }
.nu-menu-sep { height: 1px; margin: 4px var(--space-2); background: var(--line); }
.nu-menu-heading { font-size: 11px; line-height: 14px; font-weight: 600; letter-spacing: .3px; text-transform: uppercase; color: var(--ink-muted); padding: 6px var(--space-2) 2px; }

/* CommandPalette */
.nu-cmd { width: 100%; max-width: 560px; border-radius: var(--radius-md); background: var(--surface-raised); box-shadow: var(--shadow-popover); overflow: hidden; }
.nu-cmd-input { box-sizing: content-box; height: var(--control-lg, 40px); display: flex; align-items: center; gap: var(--space-2); padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--line); color: var(--ink-muted); }
.nu-cmd-input input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; font: inherit; font-size: 16px; line-height: 22px; color: var(--ink); }
.nu-cmd-input input::placeholder { color: var(--ink-muted); }
.nu-cmd-list { max-height: 320px; overflow: auto; padding: 6px; }
.nu-cmd-group { font-size: 11px; line-height: 14px; font-weight: 600; letter-spacing: .3px; text-transform: uppercase; color: var(--ink-muted); padding: 8px 10px 4px; }
.nu-cmd-item { font: inherit; width: 100%; display: grid; grid-template-columns: 22px 1fr auto auto; align-items: center; gap: var(--space-2); height: var(--control-md, 32px); padding: 0 10px; border: 0; border-radius: 7px; background: transparent; color: var(--ink); text-align: left; cursor: pointer; }
.nu-cmd-item.is-active { background: var(--accent-soft); }
.nu-cmd-item.is-active .nu-cmd-ico { color: var(--accent); }
.nu-cmd-ico { color: var(--ink-muted); display: grid; place-items: center; }
.nu-cmd-hint { font-size: 12px; color: var(--ink-muted); }
.nu-cmd-empty { padding: var(--space-6) var(--space-4); text-align: center; color: var(--ink-muted); }
.nu-cmd-foot { display: flex; gap: var(--space-4); padding: var(--space-2) var(--space-4); border-top: 1px solid var(--line); font-size: 12px; color: var(--ink-muted); background: var(--surface-bar); flex-wrap: wrap; }
.nu-cmd-foot span { display: inline-flex; gap: var(--space-1); align-items: center; }

/* FilterBar */
.nu-filterbar { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; min-width: 0; }
.nu-filterbar-ico { color: var(--ink-muted); }
.nu-chip { box-sizing: border-box; display: inline-flex; align-items: center; gap: 4px; height: var(--control-sm, 24px); padding: 0 4px 0 var(--space-2); border-radius: var(--radius-pill); background: var(--accent-soft); color: var(--accent); font-size: 12px; font-weight: 500; }
.nu-chip-field { opacity: .85; }
.nu-chip-field::after { content: ":"; }
.nu-chip-value { font-weight: 600; }
.nu-chip-x { border: 0; background: transparent; color: inherit; width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; cursor: pointer; padding: 0; }
.nu-chip-x:hover { background: var(--surface-raised); }
.nu-chip-add { box-sizing: border-box; font: inherit; font-size: 12px; font-weight: 500; display: inline-flex; align-items: center; gap: 4px; height: var(--control-sm, 24px); padding: 0 var(--space-2); border-radius: var(--radius-pill); border: 1px dashed var(--line-control); background: transparent; color: var(--ink-muted); cursor: pointer; }
.nu-chip-add:hover { color: var(--accent); border-color: var(--accent); }
.nu-link { height: var(--control-sm, 24px); font: inherit; font-size: 12px; border: 0; background: transparent; color: var(--accent); cursor: pointer; padding: 0 4px; }

/* Sidebar */
.nu-sidebar { display: grid; align-content: start; gap: var(--space-4); padding: var(--space-3) var(--space-2); background: var(--surface-sidebar); min-width: 0; }
.nu-side-sec { display: grid; gap: 1px; }
.nu-side-title { font-size: 11px; line-height: 14px; font-weight: 600; letter-spacing: .3px; text-transform: uppercase; color: var(--ink-muted); padding: 0 var(--space-2) 4px; }
.nu-side-item { font: inherit; display: grid; grid-template-columns: 16px 1fr auto; align-items: center; gap: var(--space-2); height: var(--control-md, 32px); padding: 0 var(--space-2); border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--ink); text-align: left; cursor: pointer; min-width: 0; }
.nu-side-item .nu-icon { color: var(--accent); }
.nu-side-item:hover { background: var(--surface-hover); }
.nu-side-item.is-on { background: var(--accent); color: var(--on-accent); }
.nu-side-item.is-on .nu-icon, .nu-side-item.is-on .nu-side-count { color: var(--on-accent); }
.nu-side-label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nu-side-count { font-family: var(--font-mono); font-size: 11px; color: var(--ink-muted); font-variant-numeric: tabular-nums; }
.nu-side-dot { width: 10px; height: 10px; border-radius: 50%; justify-self: center; }

/* Badge */
.nu-badge { box-sizing: border-box; display: inline-flex; align-items: center; gap: 3px; height: var(--control-sm, 24px); padding: 0 7px; border-radius: var(--radius-sm); font-size: 11.5px; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.nu-badge-neutral { background: var(--surface-sidebar); color: var(--ink-muted); }
.nu-badge-accent { background: var(--accent-soft); color: var(--accent); }
.nu-badge-positive { background: var(--positive-soft); color: var(--positive); }
.nu-badge-negative { background: var(--negative-soft); color: var(--negative); }
.nu-badge-warning { background: var(--warning-soft); color: var(--warning); }

/* Metric */
.nu-metric { display: grid; grid-template-rows: auto auto var(--control-sm, 24px); align-content: start; gap: 4px; padding: var(--space-3) var(--space-4); border-radius: var(--radius-lg); background: var(--surface-raised); box-shadow: var(--shadow-panel); min-width: 0; }
.nu-metric-label { display: flex; align-items: center; gap: var(--space-1); font-size: 12px; color: var(--ink-muted); font-weight: 500; }
.nu-metric-value { font-family: var(--font-mono); font-size: 24px; line-height: 30px; font-weight: 500; letter-spacing: -.3px; font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nu-metric-foot { display: flex; align-items: center; gap: var(--space-2); font-size: 12px; color: var(--ink-muted); flex-wrap: wrap; }

/* DataTable */
.nu-table-wrap { overflow: auto; background: var(--surface-raised); border-radius: var(--radius-lg); box-shadow: var(--shadow-panel); min-width: 0; }
.nu-table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 13px; }
.nu-th, .nu-th-colgroup { position: sticky; top: 0; z-index: 2; background: var(--surface-bar); color: var(--ink-muted); font-weight: 600; font-size: 12px; text-align: left; padding: 0; border-bottom: 1px solid var(--line); white-space: nowrap; }
.nu-hrow-top + tr .nu-th { top: var(--row-height, 32px); }
.nu-th-colgroup { height: var(--row-height, 32px); padding: 0 var(--space-3); text-align: center; font-size: 11px; letter-spacing: .3px; text-transform: uppercase; border-left: 1px solid var(--line); }
.nu-th.in-group { border-left: 0; }
.nu-th-colgroup + .nu-th, .nu-th.in-group:first-child { border-left: 1px solid var(--line); }
.nu-th-btn { font: inherit; color: inherit; width: 100%; height: var(--row-height, 32px); display: flex; align-items: center; gap: 4px; padding: 0 var(--space-3); border: 0; background: transparent; cursor: pointer; }
.nu-th.is-num .nu-th-btn { justify-content: flex-end; }
.nu-th-btn:hover { color: var(--ink); }
.nu-th-sort { color: var(--accent); display: inline-flex; }
.nu-th-sort.is-idle { color: transparent; }
.nu-th-btn:hover .nu-th-sort.is-idle { color: var(--ink-muted); }
.nu-th[aria-sort] { color: var(--ink); }
.nu-th-lead { left: 0; z-index: 3; }
.nu-th-lead .nu-th-label, .nu-th > .nu-th-label { display: flex; align-items: center; height: var(--row-height, 32px); padding: 0 var(--space-3); }
.nu-filter-row th { position: sticky; top: var(--row-height, 32px); z-index: 2; height: var(--row-height, 32px); box-sizing: border-box; vertical-align: middle; background: var(--surface-bar); padding: 0 var(--space-2); border-bottom: 1px solid var(--line); }
.nu-hrow-top ~ .nu-filter-row th { top: calc(var(--row-height, 32px) * 2); }
.nu-cell-filter { width: 100%; min-width: 60px; box-sizing: border-box; height: var(--control-sm, 24px); padding: 0 var(--space-2); font: inherit; font-size: 12px; border-radius: 5px; border: 1px solid var(--line-control); background: var(--surface-raised); color: var(--ink); }
.nu-cell-filter::placeholder { color: var(--ink-muted); }
.nu-td { box-sizing: border-box; height: var(--row-height, 32px); padding: 0 var(--space-3); border-bottom: 1px solid var(--line); white-space: nowrap; text-align: left; font-weight: inherit; }
.is-compact .nu-td { height: var(--row-height-compact, 24px); }
.nu-td.is-num { text-align: right; font-family: var(--font-mono); font-size: 12.5px; font-variant-numeric: tabular-nums; }
.nu-td.is-neg { color: var(--negative); }
.nu-td-lead { position: sticky; left: 0; z-index: 1; background: inherit; }
.nu-tr { background: var(--surface-raised); }
.nu-tr:hover { background: var(--surface-hover); }
.nu-tr.is-clickable { cursor: default; }
.nu-table-wrap.is-selectable { user-select: none; -webkit-user-select: none; }
.nu-table-wrap.is-selectable:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 1px; }
.nu-tr.is-selected, .nu-tr.is-selected:hover { background: var(--accent-soft); }
.nu-td-leaf { color: var(--ink-muted); }
.nu-tr-group { background: var(--group-1); font-weight: 600; }
.nu-tr-group.lvl-0 { background: var(--group-0); }
.nu-tr-group .nu-td { border-bottom-color: var(--line); }
.nu-grp-btn { font: inherit; font-weight: 600; color: var(--ink); display: inline-flex; align-items: center; gap: 6px; height: var(--control-sm, 24px); vertical-align: middle; border: 0; background: transparent; cursor: pointer; padding-right: var(--space-2); border-radius: 5px; }
.nu-grp-chev { display: inline-grid; place-items: center; color: var(--ink-muted); transition: transform var(--duration-fast); }
.nu-grp-chev.is-open { transform: rotate(90deg); }
.nu-grp-count { font-family: var(--font-mono); font-size: 11px; font-weight: 500; color: var(--ink-muted); margin-left: 4px; }
.nu-tr-total { background: var(--surface-bar); font-weight: 700; }
.nu-tr-total .nu-td { position: sticky; bottom: 0; background: var(--surface-bar); border-top: 1px solid var(--line-control); border-bottom: 0; }
.nu-tr-total .nu-td-lead { z-index: 2; }
.nu-empty { text-align: center; color: var(--ink-muted); height: 80px; }

@media (prefers-reduced-motion: reduce) { .nu-btn, .nu-grp-chev, .nu-tool-ico { transition: none; } }

/* DataTable: filtro per colonna (come in Excel) */
.nu-th-inner { display: flex; align-items: center; min-width: 0; }
.nu-th-inner > .nu-th-btn, .nu-th-inner > .nu-th-label { flex: 1; min-width: 0; }
.nu-th-fbtn { flex: none; display: grid; place-items: center; width: var(--control-sm, 24px); height: var(--control-sm, 24px); margin-right: 4px; padding: 0; border: 0; border-radius: 5px; background: transparent; color: var(--ink-muted); cursor: pointer; opacity: .55; }
.nu-th:hover .nu-th-fbtn, .nu-th-fbtn:focus-visible, .nu-th-fbtn.is-open { opacity: 1; }
.nu-th-fbtn:hover, .nu-th-fbtn.is-open { background: var(--surface-hover); color: var(--ink); }
.nu-th-fbtn.is-active { opacity: 1; background: var(--accent-soft); color: var(--accent); }
.nu-colfilter { position: fixed; z-index: 40; width: 272px; box-sizing: border-box; display: grid; gap: var(--space-2); padding: var(--space-2); border-radius: var(--radius-md); background: var(--surface-raised); box-shadow: var(--shadow-popover); color: var(--ink); font-weight: 400; text-align: left; white-space: normal; }
.nu-colfilter-sort { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-1); }
.nu-colfilter-list { max-height: 240px; overflow: auto; display: grid; align-content: start; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 4px 0; }
.nu-colfilter-item { display: grid; grid-template-columns: 16px 1fr auto; align-items: center; gap: var(--space-2); min-height: var(--control-sm, 24px); padding: 0 var(--space-2); font-size: 12px; cursor: pointer; }
.nu-colfilter-item:hover { background: var(--surface-hover); }
.nu-colfilter-item input { margin: 0; accent-color: var(--accent); }
.nu-colfilter-item.is-all { font-weight: 600; border-bottom: 1px solid var(--line); margin-bottom: 4px; padding-bottom: 4px; }
.nu-colfilter-v { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nu-colfilter-v.is-empty { color: var(--ink-muted); font-style: italic; }
.nu-colfilter-n { font-family: var(--font-mono); font-size: 11px; color: var(--ink-muted); font-variant-numeric: tabular-nums; }
.nu-colfilter-none { padding: var(--space-2); color: var(--ink-muted); font-size: 12px; text-align: center; }
.nu-colfilter-foot { display: flex; justify-content: space-between; gap: var(--space-2); }