/*
 * neo-ui.css — v1.1.0
 * A minimal, token-driven UI framework extracted from a production dashboard.
 * Organization: reset → tokens → layout → components → extensions
 * Class prefix: .nu-*
 *
 * Accent: black (#1a1a18) — override --nu-color-primary if you need a different brand color.
 */

/* ============================================================
   RESET
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

a { color: inherit; }

/* ============================================================
   TOKENS — CSS custom properties
   ============================================================ */

:root {
  /* ── Palette ── */
  --nu-color-bg:            #fafaf9;
  --nu-color-surface:       #ffffff;
  --nu-color-surface-alt:   #f5f5f4;
  --nu-color-surface-hover: #f2f1ea;

  --nu-color-border-strong: #aaa89a;

  --nu-color-border:        #d3d1c7;
  --nu-color-border-soft:   #e2e1d9;

  --nu-color-text:          #1a1a18;
  --nu-color-text-2:        #3a3a37;
  --nu-color-muted:         #888780;
  --nu-color-placeholder:   #b4b2a9;
  --nu-color-faint:         #bbb;

  /* Primary = black (ink) */
  --nu-color-primary:       #1a1a18;
  --nu-color-primary-dark:  #3a3a37;
  --nu-color-primary-bg:    #f0efe9;
  --nu-color-primary-ring:  rgba(26, 26, 24, 0.10);
  --nu-color-primary-glow:  rgba(26, 26, 24, 0.07);

  /* Accent — kept for brand / decorative use (purple) */
  --nu-color-accent:        #7c3aed;

  --nu-color-danger:        #C23232;
  --nu-color-danger-dark:   #A32D2D;
  --nu-color-danger-soft:   #fdf0ee;
  --nu-color-danger-ring:   rgba(194, 50, 50, 0.55);
  --nu-color-danger-glow:   rgba(194, 50, 50, 0.13);

  --nu-color-success:       #3B6D11;

  --nu-color-ink:           #1a1a18;
  --nu-color-ink-hover:     #3a3a37;

  /* ── Spacing ── */
  --nu-sp-1:  4px;
  --nu-sp-2:  8px;
  --nu-sp-3:  12px;
  --nu-sp-4:  16px;
  --nu-sp-5:  20px;
  --nu-sp-6:  24px;
  --nu-sp-8:  32px;

  /* ── Border radius ── */
  --nu-r-xs:   3px;
  --nu-r-sm:   4px;
  --nu-r-md:   6px;
  --nu-r-lg:   8px;
  --nu-r-xl:   10px;
  --nu-r-pill: 9999px;

  /* ── Typography ── */
  --nu-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --nu-text-2xs:  10px;
  --nu-text-xs:   11px;
  --nu-text-sm:   12px;
  --nu-text-base: 13px;
  --nu-text-md:   14px;
  --nu-text-lg:   15px;
  --nu-text-xl:   16px;
  --nu-text-2xl:  22px;
  --nu-text-3xl:  24px;
  --nu-text-4xl:  30px;

  /* ── Shadows ── */
  --nu-shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.08);
  --nu-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.10);
  --nu-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
  --nu-shadow-xl: 0 8px 40px rgba(0, 0, 0, 0.18);

  /* ── Transitions ── */
  --nu-t:      0.15s ease;
  --nu-t-fast: 0.10s ease;

  /* ── Field height ── */
  --nu-field-h:    36px;
  --nu-field-h-sm: 32px;
  --nu-field-h-xs: 24px;
}

/* ============================================================
   LAYOUT
   ============================================================ */

/* Page scaffold */
.nu-page {
  font-family: var(--nu-font);
  background: var(--nu-color-bg);
  color: var(--nu-color-text);
  min-height: 100vh;
  padding: 2rem;
}

/* Generic field wrapper (label + control stacked) */
.nu-field {
  display: flex;
  flex-direction: column;
}

/* Responsive grid of fields */
.nu-field-grid {
  display: grid;
  gap: var(--nu-sp-3);
  align-items: end;
}
.nu-field-grid--2    { grid-template-columns: repeat(2, 1fr); }
.nu-field-grid--3    { grid-template-columns: repeat(3, 1fr); }


@media (max-width: 600px) {
  .nu-field-grid { grid-template-columns: 1fr !important; }
}

/* Row of inline controls */
.nu-row {
  display: flex;
  align-items: center;
  gap: var(--nu-sp-2);
}

/* Vertical stack */
.nu-stack     { display: flex; flex-direction: column; gap: var(--nu-sp-2); }
.nu-stack--sm { gap: var(--nu-sp-1); }
.nu-stack--md { gap: var(--nu-sp-3); }
.nu-stack--lg { gap: var(--nu-sp-5); }

/* Section header: title left + action right */
.nu-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--nu-sp-2);
}

/* ============================================================
   COMPONENTS
   ============================================================ */

/* ── Body typography defaults ─────────────────────────────── */

.nu-page,
.nu-body-font {
  font-family: var(--nu-font);
  color: var(--nu-color-text);
}

/* ── Labels ───────────────────────────────────────────────── */

.nu-label {
  display: block;
  font-size: var(--nu-text-sm);
  font-weight: 700;
  color: var(--nu-color-muted);
  margin-bottom: var(--nu-sp-1);
}
.nu-label--inline { display: inline; margin-bottom: 0; flex-shrink: 0; }

/* Muted inline text */
.nu-muted { font-size: var(--nu-text-sm); color: var(--nu-color-muted); }

/* Centre-aligned uppercase divider label (AND / OR connectors etc.) */
.nu-rule-label {
  text-align: center;
  font-size: var(--nu-text-xs); font-weight: 600;
  color: var(--nu-color-placeholder);
  padding: 2px 0; letter-spacing: 0.05em;
}

.nu-section-title {
  font-size: var(--nu-text-sm);
  font-weight: 600;
  color: var(--nu-color-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--nu-sp-2);
}

.nu-group-label {
  padding: var(--nu-sp-1) var(--nu-sp-3) 2px;
  font-size: var(--nu-text-2xs);
  font-weight: 600;
  color: var(--nu-color-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  pointer-events: none;
}
.nu-group-label:not(:first-child) {
  margin-top: var(--nu-sp-1);
  padding-top: var(--nu-sp-2);
  border-top: 1px solid var(--nu-color-border-soft);
}

/* ── Inputs ───────────────────────────────────────────────── */

.nu-input {
  display: block;
  width: 100%;
  height: var(--nu-field-h);
  padding: 0 10px;
  border: 1px solid var(--nu-color-border);
  border-radius: var(--nu-r-md);
  font-size: var(--nu-text-md);
  color: var(--nu-color-text);
  background: var(--nu-color-surface);
  outline: none;
  transition: border-color var(--nu-t);
}
.nu-input::placeholder { color: var(--nu-color-placeholder); }
.nu-input:focus {
  border-color: var(--nu-color-primary);
  box-shadow: 0 0 0 3px var(--nu-color-primary-ring);
}
.nu-input--sm { height: var(--nu-field-h-sm); font-size: var(--nu-text-base); padding: 0 8px; border-radius: var(--nu-r-sm); }

/* ── nu-input-group ──────────────────────────────────────── */

nu-input-group {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--nu-color-border);
  border-radius: var(--nu-r-md);
  overflow: hidden;
  height: var(--nu-field-h);
}

nu-input-group > * { flex: 1 1 auto; min-width: 0; }

nu-input-group > .nu-input { border: none; border-radius: 0; height: 100%; }

nu-input-group > :not(:first-child) { border-left: 1px solid var(--nu-color-border); }

nu-input-group > nu-select .nu-select-wrap { height: 100%; }

nu-input-group > nu-select .nu-select { border: none; border-radius: 0; height: 100%; width: 100%; }

nu-input-group:focus-within { border-color: var(--nu-color-primary); }

/* ── Custom select / dropdown trigger ─────────────────────── */

nu-select { display: block; }

.nu-select {
  display: block;
  width: 100%;
  height: var(--nu-field-h);
  padding: 0 28px 0 10px;
  border: 1px solid var(--nu-color-border);
  border-radius: var(--nu-r-md);
  font-size: var(--nu-text-md);
  color: var(--nu-color-text);
  background: var(--nu-color-surface)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888780' d='M6 8L1 3h10z'/%3E%3C/svg%3E")
    no-repeat right 10px center;
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  outline: none;
  transition: border-color var(--nu-t);
  appearance: none;
  -webkit-appearance: none;
}
.nu-select:focus,
.nu-select.open {
  border-color: var(--nu-color-primary);
  box-shadow: 0 0 0 3px var(--nu-color-primary-ring);
}
/* Wrapper for a select trigger + dropdown panel */
/* Custom element defaults to display:inline — override so layout works */
nu-select           { display: block; }
nu-select[headless] { display: contents; }
nu-select option,
nu-select optgroup  { display: none; }  /* slot data — never rendered directly */
.nu-select-wrap          { position: relative; }
.nu-select-wrap--popup   { display: contents; }
.nu-select-wrap--compact { min-width: 120px; }
.nu-select-wrap--compact .nu-select {
  height: var(--nu-field-h-sm);
  font-size: var(--nu-text-xs);
  border-radius: var(--nu-r-xs);
  padding: 0 22px 0 8px;
  background-position: right 8px center;
}
.nu-select-wrap--compact .nu-dropdown { min-width: 150px; }

/* Flex grow — takes remaining space in a flex row */
.nu-grow { flex: 1; min-width: 0; }

/* ── Dropdown panel ───────────────────────────────────────── */

.nu-dropdown {
  display: none;
  position: fixed;
  top: auto;
  left: auto;
  z-index: 9999;
  min-width: 100%;
  max-height: min(320px, calc(100vh - 16px));
  background: var(--nu-color-surface);
  border: 1px solid var(--nu-color-border);
  border-radius: var(--nu-r-md);
  box-shadow: var(--nu-shadow-md);
  padding: var(--nu-sp-1) 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}
.nu-dropdown.open { display: block; }

.nu-dropdown-opt {
  display: flex;
  align-items: center;
  gap: var(--nu-sp-2);
  padding: 7px var(--nu-sp-3);
  font-size: var(--nu-text-base);
  color: var(--nu-color-text);
  cursor: pointer;
  white-space: nowrap;
}
.nu-dropdown-opt:hover { background: var(--nu-color-surface-alt); }

.nu-dropdown-opt.selected {
  font-weight: 500;
  color: var(--nu-color-primary);
}
.nu-dropdown-opt.selected::after {
  content: '✓';
  margin-left: auto;
  font-size: var(--nu-text-sm);
  color: var(--nu-color-primary);
}

.nu-dropdown-opt.disabled {
  color: var(--nu-color-placeholder);
  cursor: default;
}
.nu-dropdown-opt.disabled:hover { background: transparent; }

.nu-dropdown-opt.nu-status {
  color: var(--nu-color-placeholder);
  font-style: italic;
  cursor: default;
  pointer-events: none;
}

.nu-dropdown-opt input[type="checkbox"] {
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: var(--nu-color-primary);
  cursor: pointer;
  flex-shrink: 0;
}
.nu-opt-icon {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}
.nu-opt-icon svg { width: 16px; height: 16px; }

.nu-dropdown-divider {
  height: 1px;
  background: var(--nu-color-border-soft);
  margin: var(--nu-sp-1) 0;
}

.nu-dropdown-loading {
  padding: 10px var(--nu-sp-3);
  font-size: var(--nu-text-base);
  color: var(--nu-color-muted);
  display: flex;
  align-items: center;
  gap: var(--nu-sp-2);
}
.nu-dropdown-loading::before {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid var(--nu-color-border-soft);
  border-top-color: var(--nu-color-primary);
  border-radius: 50%;
  animation: nu-spin 0.7s linear infinite;
  flex-shrink: 0;
}

/* ── Segmented control ────────────────────────────────────── */

.nu-segmented {
  display: flex;
  border: 1px solid var(--nu-color-border);
  border-radius: var(--nu-r-sm);
  overflow: hidden;
  flex-shrink: 0;
}
.nu-segmented-btn {
  height: var(--nu-field-h-xs);
  padding: 0 var(--nu-sp-2);
  font-size: var(--nu-text-xs);
  color: var(--nu-color-muted);
  background: var(--nu-color-surface);
  border: none;
  cursor: pointer;
  line-height: 1;
}
.nu-segmented-btn.active {
  background: var(--nu-color-primary-bg);
  color: var(--nu-color-text-2);
  font-weight: 500;
}
.nu-segmented-btn:hover:not(.active) { background: var(--nu-color-surface-alt); }

/* ── Toggle switch ────────────────────────────────────────── */

.nu-toggle-row {
  display: flex;
  align-items: center;
  gap: var(--nu-sp-2);
}
.nu-toggle-row--end { justify-content: space-between; }
.nu-toggle {
  position: relative;
  width: 38px;
  height: 22px;
  background: var(--nu-color-border);
  border-radius: var(--nu-r-md);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s;
}
.nu-toggle[data-on="1"] { background: var(--nu-color-primary); }
.nu-toggle::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  background: var(--nu-color-surface);
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s;
}
.nu-toggle[data-on="1"]::after { transform: translateX(16px); }
.nu-toggle-label {
  font-size: var(--nu-text-base);
  color: var(--nu-color-text);
  cursor: pointer;
  user-select: none;
}

/* ── Buttons ──────────────────────────────────────────────── */

.nu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--nu-sp-2);
  height: var(--nu-field-h);
  padding: 0 18px;
  border: 1px solid var(--nu-color-border);
  border-radius: var(--nu-r-md);
  background: var(--nu-color-surface);
  font-size: var(--nu-text-md);
  color: var(--nu-color-text);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: background var(--nu-t), border-color var(--nu-t);
}
.nu-btn:hover  { background: var(--nu-color-surface-alt); border-color: var(--nu-color-placeholder); }
.nu-btn:active { transform: scale(0.98); }
.nu-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Primary */
.nu-btn--primary {
  background: var(--nu-color-primary);
  color: var(--nu-color-surface);
  border-color: var(--nu-color-primary-dark);
}
.nu-btn--primary:hover { background: var(--nu-color-primary-dark); border-color: var(--nu-color-primary-dark); }

/* Danger */
.nu-btn--danger { background: var(--nu-color-danger); color: var(--nu-color-surface); border-color: var(--nu-color-danger-dark); }
.nu-btn--danger:hover { background: var(--nu-color-danger-dark); border-color: var(--nu-color-danger-dark); }

/* Icon button (square, no label) */
.nu-btn--icon {
  padding: 6px;
  width: auto;
  height: auto;
  border: none;
  background: none;
  border-radius: var(--nu-r-md);
  color: rgba(26, 26, 24, 0.6);
}
.nu-btn--icon:hover { background: rgba(26, 26, 24, 0.07); color: var(--nu-color-text); }
.nu-btn--icon svg      { width: 26px; height: 26px; stroke-width: 2.5; }
.nu-btn--icon.nu-btn--icon-xs svg { width: 12px; height: 12px; stroke-width: 2; }

/* Compact add-button for section headers (plain + glyph, no border) */
.nu-btn--add {
  background: none; border: none; color: var(--nu-color-muted);
  cursor: pointer; font-size: 18px; line-height: 1;
  padding: 1px 5px; border-radius: var(--nu-r-xs);
}
.nu-btn--add:hover { background: var(--nu-color-border-soft); color: var(--nu-color-ink); }

/* Inline add/remove mini buttons (+/−) */
.nu-action-btn {
  width: 22px;
  height: 22px;
  border-radius: var(--nu-r-sm);
  border: none;
  color: var(--nu-color-surface);
  font-size: var(--nu-text-xs);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: background var(--nu-t-fast), transform var(--nu-t-fast);
}
.nu-action-btn--add    { background: var(--nu-color-ink); }
.nu-action-btn--remove { background: var(--nu-color-ink); }
.nu-action-btn--add:hover    { background: var(--nu-color-ink-hover); transform: scale(1.08); }
.nu-action-btn--remove:hover { background: var(--nu-color-ink-hover); transform: scale(1.08); }

/* ── Cards ────────────────────────────────────────────────── */

.nu-card {
  background: var(--nu-color-surface);
  border: 1px solid var(--nu-color-border-soft);
  border-radius: var(--nu-r-lg);
  padding: 1.25rem;
}

/* ── Panel (generic bordered surface) ─────────────────────── */

.nu-panel {
  background: var(--nu-color-bg);
  border: 1px solid var(--nu-color-border-soft);
  border-radius: var(--nu-r-md);
  padding: var(--nu-sp-2);
}

/* ── Condition row (property / operator / value) ──────────── */

.nu-condition-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--nu-sp-1);
  align-items: center;
  position: relative;
}
/* Narrow operator column (symbol button + dropdown) */
.nu-condition-op { width: 46px; flex-shrink: 0; }
.nu-condition-op .nu-select {
  height: var(--nu-field-h-sm); padding: 0;
  text-align: center; background-image: none;
  border-radius: var(--nu-r-xs); font-size: var(--nu-text-lg);
}
.nu-condition-op .nu-dropdown { min-width: 190px; }

/* ── Popup (floating anchored panel) ──────────────────────── */

.nu-popup {
  display: none;
  flex-direction: column;
  position: fixed;
  z-index: 9999;
  background: var(--nu-color-surface);
  border: 1px solid var(--nu-color-border);
  border-radius: 7px;
  box-shadow: var(--nu-shadow-lg);
  padding: 14px;
  animation: nu-popup-in 0.18s ease;
}
.nu-popup.open { display: flex; }
.nu-popup--wide { width: 480px; gap: var(--nu-sp-3); }

/* ── nu-surface ───────────────────────────────────────────── */

nu-surface {
  display: none;
  position: fixed;
  z-index: 9999;
  overflow: hidden;
  background: var(--nu-color-surface);
  border: 1px solid var(--nu-color-border);
  border-radius: var(--nu-r-md);
  box-shadow: var(--nu-shadow-xl);
}
nu-surface.open {
  display: flex;
  flex-direction: column;
  animation: nu-popup-in 0.15s ease;
}

/* Modal — transparent full-screen overlay, centres children */
nu-surface[type="modal"] {
  inset: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
  display: none;
  align-items: center;
  justify-content: center;
}
nu-surface[type="modal"].open {
  display: flex;
  animation: none;
}

/* Backdrop element appended to <body> by JS */
.nu-surface-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9990;
  background: rgba(0, 0, 0, 0.35);
  animation: nu-surface-backdrop-in 0.18s ease;
}
@keyframes nu-surface-backdrop-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Context menu ─────────────────────────────────────────── */


/* Empty optgroup label acts as a visual divider inside nu-select dropdowns */
.nu-group-label:empty {
  height: 1px;
  background: var(--nu-color-border-soft);
  margin: var(--nu-sp-1) 0;
  padding: 0;
}

/* ── Dialog (side-panel style) ────────────────────────────── */

.nu-dialog {
  position: absolute;
  top: 16px; right: 16px; bottom: 16px;
  width: 420px;
  background: var(--nu-color-surface);
  border-radius: var(--nu-r-xl);
  display: flex;
  flex-direction: column;
  box-shadow: var(--nu-shadow-xl);
  overflow: hidden;
  pointer-events: all;
}

.nu-dialog-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.nu-dialog-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--nu-color-border-soft);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--nu-sp-2);
  flex-shrink: 0;
}

/* ── List items ───────────────────────────────────────────── */

.nu-list { display: flex; flex-direction: column; gap: var(--nu-sp-2); }

.nu-list-item {
  background: var(--nu-color-surface-alt);
  border: 1px solid var(--nu-color-border-soft);
  border-radius: 7px;
  padding: 10px var(--nu-sp-3);
  display: flex;
  align-items: center;
  gap: var(--nu-sp-2);
  position: relative;
}

.nu-list-item--col { flex-direction: column; align-items: stretch; }

/* Horizontal row inside a column list item */
.nu-list-row { display: flex; align-items: center; gap: var(--nu-sp-2); }

/* Indented sub-content below a list item's main row (nested filters etc.) */
.nu-list-sub {
  padding-left: 28px;
  display: flex; flex-direction: column;
  gap: var(--nu-sp-1);
  margin-top: var(--nu-sp-1);
}

/* Text label that takes remaining width in a list item row */
.nu-list-item-label { flex: 1; font-size: var(--nu-text-sm); color: var(--nu-color-text); }

.nu-list-badge {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--nu-text-2xs);
  font-weight: 700;
  color: var(--nu-color-surface);
  flex-shrink: 0;
}

/* ── Hover-action pattern ─────────────────────────────────── */

.nu-hoverable { position: relative; }

.nu-hover-actions {
  position: absolute;
  top: 0; right: 0;
  transform: translate(35%, -35%);
  display: flex;
  gap: 3px;
  z-index: 20;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.12s, visibility 0s 0.13s;
}
.nu-hover-actions--bottom {
  top: auto; right: auto;
  bottom: 0; left: 50%;
  transform: translate(-50%, 40%);
}
.nu-hoverable:hover:not(:has(.nu-hoverable:hover)) > .nu-hover-actions {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.12s 0.25s, visibility 0s 0.25s;
}
.nu-hoverable:has(> .nu-hover-actions .nu-action-btn--add:hover),
.nu-hoverable:has(> .nu-hover-actions .nu-action-btn--remove:hover) {
  box-shadow: 0 0 0 1px rgba(26,26,24,0.3), 0 0 10px 4px rgba(26,26,24,0.08);
}

/* ── Table ────────────────────────────────────────────────── */

.nu-table {
  width: 100%;
  border-collapse: collapse;
}
.nu-table thead th {
  padding: 9px 14px;
  border-bottom: 2px solid var(--nu-color-border-soft);
  font-size: var(--nu-text-xs);
  font-weight: 600;
  color: var(--nu-color-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: left;
  white-space: nowrap;
}
.nu-table thead th.nu-dt-val { text-align: right; }
.nu-table tbody tr { transition: background var(--nu-t-fast); }
.nu-table tbody tr:hover td { background: var(--nu-color-bg); }
.nu-table tbody td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--nu-color-border-soft);
  font-size: var(--nu-text-base);
  color: var(--nu-color-text);
  vertical-align: middle;
}
.nu-table tbody tr:last-child td { border-bottom: none; }
.nu-table td.nu-dt-val   { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.nu-table td.nu-dt-total { font-weight: 600; }
.nu-table td.nu-dt-sub   { font-size: var(--nu-text-xs); color: var(--nu-color-muted); }
.nu-table td.nu-dt-bar   { width: 120px; padding-left: 0; }
.nu-dt-sub { font-size: var(--nu-text-xs); color: var(--nu-color-muted); margin-top: 1px; }
.nu-table-wrap { width: 100%; height: 100%; overflow-y: auto; }

.nu-bar-track {
  background: var(--nu-color-border-soft);
  border-radius: var(--nu-r-sm);
  height: 6px;
  overflow: hidden;
}
.nu-bar-fill { height: 100%; border-radius: var(--nu-r-sm); }

/* ── Status / feedback ────────────────────────────────────── */

.nu-status { font-size: var(--nu-text-base); }
.nu-status--error   { color: var(--nu-color-danger-dark); }

/* ── Empty state ──────────────────────────────────────────── */

.nu-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 0;
  font-size: var(--nu-text-md);
  color: var(--nu-color-muted);
}

/* ── Loading spinner ──────────────────────────────────────── */

@keyframes nu-spin { to { transform: rotate(360deg); } }

.nu-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--nu-color-border-soft);
  border-top-color: var(--nu-color-primary);
  border-radius: 50%;
  animation: nu-spin 0.7s linear infinite;
  flex-shrink: 0;
}
.nu-spinner--sm { width: 12px; height: 12px; }

/* ── Picker (search + scrollable options panel) ───────────── */

.nu-picker {
  display: none;
  position: fixed;
  top: auto;
  left: auto;
  z-index: 9999;
  min-width: 100%;
  max-height: min(420px, calc(100vh - 16px));
  flex-direction: column;
  background: var(--nu-color-surface);
  border: 1px solid var(--nu-color-border);
  border-radius: var(--nu-r-md);
  box-shadow: var(--nu-shadow-md);
  overflow: hidden;
}
.nu-picker.open { display: flex; }
.nu-picker-search {
  padding: var(--nu-sp-2);
  border-bottom: 1px solid var(--nu-color-border-soft);
  flex-shrink: 0;
}
.nu-picker-search input {
  width: 100%; height: 30px; padding: 0 8px;
  border: 1px solid var(--nu-color-border); border-radius: var(--nu-r-xs);
  font-size: var(--nu-text-sm); background: var(--nu-color-surface); outline: none;
}
.nu-picker-search input:focus { border-color: var(--nu-color-primary); }
.nu-picker-opts { overflow-y: auto; flex: 1; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; }

.nu-loading-row {
  display: flex;
  align-items: center;
  gap: var(--nu-sp-2);
  padding: 10px var(--nu-sp-3);
  font-size: var(--nu-text-base);
  color: var(--nu-color-muted);
}

.nu-loading-state {
  text-align: center;
  padding: 4rem 0;
  color: var(--nu-color-placeholder);
  font-size: var(--nu-text-md);
}
.nu-loading-state::after {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--nu-color-border-soft);
  border-top-color: var(--nu-color-primary);
  border-radius: 50%;
  animation: nu-spin 0.7s linear infinite;
  margin-left: var(--nu-sp-2);
  vertical-align: middle;
}

/* ── Utilities ────────────────────────────────────────────── */

.nu-hidden { display: none !important; }

@media print {
  .nu-no-print { display: none !important; }
}

/* ============================================================
   EXTENSIONS — new components beyond the original framework
   ============================================================ */

/* ── Popup animation ──────────────────────────────────────── */

@keyframes nu-popup-in {
  from { opacity: 0; transform: translateY(-8px) scale(0.98); }
  to   { opacity: 1; transform: none; }
}

/* ── App header bar ───────────────────────────────────────── */

.nu-app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--nu-sp-8) 0;
  position: relative;
  z-index: 100;
}
.nu-app-header-left   { display: flex; flex-direction: column; gap: 0; line-height: 1; }
.nu-app-header-center { display: flex; align-items: center; gap: var(--nu-sp-2); }
.nu-app-header-right  { display: flex; align-items: center; gap: 10px; }

/* ── Profile card ─────────────────────────────────────────── */

.nu-profile-wrap { position: relative; }

.nu-profile-card {
  display: none;
  flex-direction: column;
  width: 270px;
  background: var(--nu-color-surface);
  border: 1px solid var(--nu-color-border);
  border-radius: var(--nu-r-xl);
  box-shadow: var(--nu-shadow-xl);
  position: absolute;
  top: -10px;
  right: -10px;
  z-index: 10000;
  overflow: hidden;
  animation: nu-popup-in 0.18s ease;
}
.nu-profile-card.open { display: flex; }

.nu-profile-card-header {
  display: flex;
  align-items: center;
  padding: 14px 62px 14px 16px;
  border-bottom: 1px solid var(--nu-color-border-soft);
}
.nu-profile-card-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.nu-profile-card-greeting {
  font-size: var(--nu-text-xs);
  color: var(--nu-color-muted);
  font-weight: 500;
}
.nu-profile-card-name {
  font-size: var(--nu-text-md);
  font-weight: 600;
  color: var(--nu-color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nu-profile-card-menu {
  padding: var(--nu-sp-2);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.nu-profile-card-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--nu-r-md);
  cursor: pointer;
  font-size: var(--nu-text-base);
  font-weight: 500;
  color: var(--nu-color-text);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
  transition: background var(--nu-t-fast);
}
.nu-profile-card-item:hover { background: var(--nu-color-surface-alt); border-color: transparent; }
.nu-profile-card-item.danger { color: var(--nu-color-danger-dark); }
.nu-profile-card-item.danger:hover { background: var(--nu-color-danger-soft); }
.nu-profile-card-item svg { flex-shrink: 0; opacity: 0.7; }

/* ── Chart header + legend ────────────────────────────────── */

.nu-chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.nu-chart-title {
  font-size: var(--nu-text-lg);
  font-weight: 500;
  color: var(--nu-color-text);
}
.nu-legend {
  display: flex;
  align-items: center;
  gap: var(--nu-sp-2);
  font-size: var(--nu-text-sm);
  color: var(--nu-color-muted);
  flex-wrap: wrap;
}
.nu-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--nu-color-ink);
  flex-shrink: 0;
}

/* ── Add-item menu (searchable popup) ─────────────────────── */

.nu-add-wrap { position: relative; }
.nu-add-menu {
  display: none;
  flex-direction: column;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  width: 220px;
  background: var(--nu-color-surface);
  border: 1px solid var(--nu-color-border);
  border-radius: var(--nu-r-md);
  box-shadow: var(--nu-shadow-md);
  z-index: 9999;
  overflow: hidden;
}
.nu-add-menu.open { display: flex; }
.nu-add-menu-search {
  padding: var(--nu-sp-2);
  border-bottom: 1px solid var(--nu-color-border-soft);
  flex-shrink: 0;
}
.nu-add-menu-search input {
  width: 100%;
  height: 28px;
  padding: 0 var(--nu-sp-2);
  border: 1px solid var(--nu-color-border);
  border-radius: var(--nu-r-sm);
  font-size: var(--nu-text-sm);
  outline: none;
  font-family: inherit;
  color: var(--nu-color-text);
}
.nu-add-menu-search input:focus {
  border-color: var(--nu-color-primary);
  box-shadow: 0 0 0 2px var(--nu-color-primary-ring);
}
.nu-add-menu-opts { padding: var(--nu-sp-1) 0; overflow-y: auto; max-height: 240px; }
.nu-add-opt { padding: 8px 14px; font-size: var(--nu-text-sm); color: var(--nu-color-text); cursor: pointer; }

/* ── nu-navigator ─────────────────────────────────────────────────────────── */

/* Suppress open animation on any nu-surface containing a navigator.
   The nu-popup-in keyframe uses transform, which creates a CSS containing
   block for position:fixed descendants (e.g. nu-select panels). */
/*nu-surface:has(nu-navigator).open { animation: none; }*/

nu-navigator,
schema-editor {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

nu-navigator {
  min-width: 0;
}

.nu-navigator-shell {
  flex: 1 1 auto;
  min-height: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.nu-navigator-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px 2px;
  height: 38px;
  flex-shrink: 0;
}

.nu-navigator-title {
  flex: 1;
  margin-bottom: 0;
}

.nu-navigator-back {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--nu-r-sm);
  color: var(--nu-color-muted);
  font-size: var(--nu-text-sm);
  font-weight: 600;
  line-height: 1;
}
.nu-navigator-back:hover { background: var(--nu-color-surface-alt); }

/* Height is auto at rest (driven by the in-flow current view).
   JS sets an explicit height only for the 220ms slide animation, then clears it. */
.nu-navigator-body {
  flex: 1 1 auto;
  min-height: 0;
  position: relative;
  overflow-x: hidden;
  overflow-y: auto;
}

.nu-navigator-footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  height: 48px;
  flex-shrink: 0;
}

/* Current view is position:static (in-flow) at rest; JS sets position:absolute
   only during the 220ms slide transition, then restores static. */
.nu-navigator-view {
  box-sizing: border-box;
  width: 100%;
  padding: 14px 16px;
}
.nu-add-opt:hover { background: var(--nu-color-surface-alt); }

/* ── Item list (composite field groups) ───────────────────────────────────── */

.nu-item-group {
  border: 1px solid var(--nu-color-border);
  border-radius: var(--nu-r-md);
  box-shadow: var(--nu-shadow-sm);
  padding: 0 var(--nu-sp-3);
}
.nu-item-group:has([data-nav-items]:empty) { display: none; }

.nu-item-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 0;
}
.nu-item-row + .nu-item-row { border-top: 1px solid var(--nu-color-border-soft); }

.nu-item-main  { flex: 1; min-width: 0; }
.nu-item-title { font-size: var(--nu-text-sm); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nu-item-sub   { font-size: var(--nu-text-xs); color: var(--nu-color-muted); margin-top: 2px; }

.nu-item-remove {
  background: none;
  border: none;
  color: var(--nu-color-muted);
  font-size: var(--nu-text-base);
  line-height: 1;
  padding: 2px 4px;
}
.nu-item-remove:hover { color: var(--nu-color-danger); }

.nu-item-add {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  width: 100%;
  color: var(--nu-color-muted);
  font-size: var(--nu-text-sm);
  padding: 6px 0 2px;
  text-align: left;
}
.nu-item-add:hover { color: var(--nu-color-text); }

/* ── Inline composite rows ────────────────────────────────────────────────── */

.nu-inline-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}
.nu-inline-field { flex: 1; min-width: 60px; }