/* ============================================================
 * CMWC — Component primitives
 * ------------------------------------------------------------
 * One class family per component. All values come from tokens.css.
 * Keep selectors flat: .ui-x, .ui-x--variant, .ui-x__part.
 * Shared component styles.
 * ============================================================ */

/* ---------- Button (§7.1) ---------- */
.ui-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  height: var(--button-h);
  padding: 0 var(--space-5);
  border: 1px solid var(--outline);
  border-radius: var(--radius-2);
  background: var(--surface-high);
  color: var(--on-surface);
  font: inherit;
  font-size: var(--font-md);
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  transition: background 80ms linear, border-color 80ms linear;
}

/* Card recency stamp — one visual family for explicitly different facts such
 * as Last value and Synced. State color is supplied by the server. */
.ui-card-stamp {
  --card-stamp-accent: var(--outline);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--outline-subtle);
  border-radius: var(--radius-1);
  background: var(--surface-low);
  color: var(--on-surface-dim);
  font-size: var(--font-2xs);
  line-height: var(--font-2xs-lh);
}
.ui-card-stamp--green { --card-stamp-accent: var(--success); }
.ui-card-stamp--amber { --card-stamp-accent: var(--warn); }
.ui-card-stamp--red { --card-stamp-accent: var(--danger); }
.ui-card-stamp--grey { --card-stamp-accent: var(--on-surface-mute); }
.ui-card-stamp__dot { width: 7px; height: 7px; flex: 0 0 7px; border-radius: 50%; background: var(--card-stamp-accent); }
.ui-card-stamp__label { color: var(--on-surface-mute); font-weight: 700; letter-spacing: var(--tracking-caps); text-transform: uppercase; }
.ui-card-stamp__separator { color: var(--outline); }
.ui-card-stamp__value { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--font-family-mono); font-variant-numeric: tabular-nums; }
.ui-card-stamp__state { color: var(--card-stamp-accent); font-weight: 700; white-space: nowrap; }

/* Card inspector — route-addressed server-rendered detail, not a modal. */
.ui-card-inspector { border: 1px solid var(--outline); border-radius: var(--radius-2); background: var(--surface-low); overflow: hidden; }
.ui-card-inspector:focus { outline: none; }
.ui-card-inspector:focus-visible { box-shadow: var(--focus-ring); }
.ui-card-inspector__header { min-height: var(--panel-header); padding: var(--space-3) var(--space-5); display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); border-bottom: 1px solid var(--outline-subtle); }
.ui-card-inspector__eyebrow { display: block; margin-bottom: var(--space-1); color: var(--on-surface-mute); font-size: var(--font-2xs); font-weight: 700; letter-spacing: var(--tracking-caps); text-transform: uppercase; }
.ui-card-inspector__title { margin: 0; color: var(--on-surface); font-size: var(--font-md); line-height: var(--font-md-lh); }
.ui-card-inspector__body { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); gap: var(--space-5); padding: var(--space-5); }
.ui-card-inspector__section { min-width: 0; }
.ui-card-inspector__section h3 { margin: 0 0 var(--space-2); color: var(--on-surface); font-size: var(--font-sm); }
.ui-card-inspector__section p:last-child { margin-bottom: 0; }

/* Multiline control — field semantics stay in the shared field wrapper; pages
 * add only layout classes and domain wording. */
.ui-textarea {
  box-sizing: border-box;
  width: 100%;
  min-height: calc(var(--field-height) + var(--space-5));
  padding: var(--space-3) var(--space-4);
  resize: vertical;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-1);
  background: var(--surface-high);
  color: var(--on-surface);
  font: inherit;
  font-size: var(--font-sm);
  line-height: var(--font-sm-lh);
}
.ui-textarea::placeholder { color: var(--on-surface-mute); }
.ui-textarea:hover { border-color: var(--on-surface-mute); }
.ui-textarea:focus-visible { outline: none; border-color: var(--primary); box-shadow: var(--focus-ring); }
.ui-textarea:disabled,
.ui-textarea:read-only { cursor: not-allowed; background: var(--surface-low); color: var(--on-surface-mute); }
.ui-textarea--invalid { border-color: var(--danger); }
.ui-button:hover { background: var(--surface-highest); }
.ui-button:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.ui-button:disabled { opacity: 0.5; cursor: not-allowed; }

.ui-button--primary {
  background: var(--primary-strong);
  border-color: var(--primary-strong);
  color: var(--on-primary);
}
.ui-button--primary:hover { background: var(--primary-deep); border-color: var(--primary-deep); }

.ui-button--secondary {
  background: var(--surface-high);
  border-color: var(--outline);
  color: var(--on-surface);
}

.ui-button--ghost {
  background: transparent;
  border-color: transparent;
  color: var(--on-surface-dim);
}
.ui-button--ghost:hover { background: var(--surface-high); color: var(--on-surface); }

/* Filled destructive button. Saturated red, white text — demands attention.
 * Distinct from inline --danger usage (error text, invalid borders). */
.ui-button--danger {
  background: var(--danger-strong);
  border-color: var(--danger-strong);
  color: var(--on-danger);
}
.ui-button--danger:hover {
  background: var(--danger-deep);
  border-color: var(--danger-deep);
}

/* ---------- Input (§7.3) ---------- */
.ui-input {
  box-sizing: border-box;
  width: 100%;
  height: var(--field-height);
  padding: 0 var(--space-4);
  background: var(--surface);
  color: var(--on-surface);
  border: 1px solid var(--surface-highest);
  border-radius: var(--radius-2);
  font: inherit;
  font-size: var(--font-md);
  line-height: var(--font-md-lh);
  transition: border-color 80ms linear, box-shadow 80ms linear;
}
.ui-input:hover { border-color: var(--on-surface-mute); }
.ui-input:focus-visible {
  outline: none;
  border-color: var(--primary-strong);
  box-shadow: var(--focus-ring);
}
.ui-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: var(--surface);
}
.ui-input--num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
/* Strip the native number-input spinners — operators type, never click. */
.ui-input[type="number"]::-webkit-outer-spin-button,
.ui-input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.ui-input[type="number"] { -moz-appearance: textfield; appearance: textfield; }

/* Force the native calendar/clock popup (and the indicator glyph) to
 * follow the page theme. `color-scheme` on <html> is supposed to be
 * inherited by these popups, but Chrome/Safari on macOS drop it for
 * type=date/time/month, so we set it here explicitly. */
.ui-input[type="date"],
.ui-input[type="datetime-local"],
.ui-input[type="month"],
.ui-input[type="time"],
.ui-input[type="week"],
input.ui-stepper__hidden-date {
  color-scheme: dark;
}
[data-theme="light"] .ui-input[type="date"],
[data-theme="light"] .ui-input[type="datetime-local"],
[data-theme="light"] .ui-input[type="month"],
[data-theme="light"] .ui-input[type="time"],
[data-theme="light"] .ui-input[type="week"],
[data-theme="light"] input.ui-stepper__hidden-date {
  color-scheme: light;
}
.ui-input--invalid,
.ui-input--invalid:focus-visible {
  border-color: var(--danger);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--danger) 25%, transparent);
}

/* ---------- Select (§7.4) ----------
 * Native <select> styled to match .ui-input. We strip the OS chevron
 * and draw our own with a CSS background so the control reads identical
 * across themes. Native dropdown list is preserved (no custom popover). */
.ui-select {
  box-sizing: border-box;
  width: 100%;
  height: var(--field-height);
  padding: 0 calc(var(--space-7) + 2px) 0 var(--space-4);
  background-color: var(--surface);
  color: var(--on-surface);
  border: 1px solid var(--surface-highest);
  border-radius: var(--radius-2);
  font: inherit;
  font-size: var(--font-md);
  line-height: var(--font-md-lh);
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
                    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 16px) 13px, calc(100% - 11px) 13px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  color: var(--on-surface);
  transition: border-color 80ms linear, box-shadow 80ms linear;
}
.ui-select:hover { border-color: var(--on-surface-mute); }
.ui-select:focus-visible {
  outline: none;
  border-color: var(--primary-strong);
  box-shadow: var(--focus-ring);
}
.ui-select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background-color: var(--surface);
}
.ui-select--invalid,
.ui-select--invalid:focus-visible {
  border-color: var(--danger);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--danger) 25%, transparent);
}

/* ---------- Combo (§7.25) ----------
 * Custom-popover dropdown: button trigger + token-styled menu. Use when the
 * native OS popup chrome is unacceptable (in-card override flows, menus that
 * need hover/selected/border-rail tokens). Default to .ui-select for normal
 * forms; reach for .ui-combo only when the menu must match the design system.
 *
 * Markup:
 *   <div class="ui-combo" data-open="false">
 *     <button class="ui-combo__trigger" aria-expanded="false">
 *       <span class="ui-combo__value">…</span>
 *       <svg class="ui-combo__caret">…</svg>
 *     </button>
 *     <ul class="ui-combo__menu" role="listbox">
 *       <li class="ui-combo__option" aria-selected="…" role="option">…</li>
 *     </ul>
 *   </div> */
.ui-combo {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
}
.ui-combo__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-3);
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius-1);
  color: var(--on-surface);
  font: inherit;
  font-size: var(--font-sm);
  text-align: left;
  cursor: pointer;
  transition: border-color 80ms linear, background 80ms linear;
}
.ui-combo__trigger:hover { border-color: var(--primary-strong); }
.ui-combo__trigger[aria-expanded="true"] {
  border-color: var(--warn);
  box-shadow: 0 0 0 2px var(--warn-surface);
}
.ui-combo__value {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ui-combo__value--placeholder { color: var(--on-surface-mute); }
.ui-combo__caret {
  flex: 0 0 12px;
  width: 12px;
  height: 12px;
  color: var(--on-surface-mute);
  transition: transform 80ms linear;
}
.ui-combo__trigger[aria-expanded="true"] .ui-combo__caret {
  transform: rotate(180deg);
  color: var(--warn);
}
.ui-combo__menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: 20;
  margin: 0;
  padding: var(--space-1) 0;
  list-style: none;
  background: var(--surface-low);
  border: 1px solid var(--outline);
  border-radius: var(--radius-2);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.32);
  max-height: 220px;
  overflow-y: auto;
}
.ui-combo[data-open="false"] .ui-combo__menu { display: none; }
.ui-combo__option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  color: var(--on-surface-dim);
  font-size: var(--font-sm);
  cursor: pointer;
  border-left: 2px solid transparent;
}
.ui-combo__option:hover {
  background: var(--surface-container);
  color: var(--on-surface);
}
.ui-combo__option[aria-selected="true"] {
  color: var(--warn);
  border-left-color: var(--warn);
  background: var(--warn-surface);
}

/* Input with trailing icon (calendar, search, etc.). Wrap an .ui-input
 * with a .ui-input-group; the icon absorbs no clicks. */
.ui-input-group { position: relative; }
.ui-input-group .ui-input { padding-right: var(--space-7); }
.ui-input-group__suffix {
  position: absolute;
  top: 50%;
  right: var(--space-4);
  transform: translateY(-50%);
  color: var(--on-surface-mute);
  pointer-events: none;
  display: inline-flex;
}

/* Per-field revert button. Hidden by default; shown when the input
 * is dirty (value differs from data-original). Wired by the small JS
 * shim — backend is not involved. */
.ui-input-group__revert {
  position: absolute;
  top: 50%;
  right: var(--space-3);
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  display: none;
  align-items: center;
  justify-content: center;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: 0;
  border-radius: var(--radius-1);
  color: var(--on-surface-mute);
  cursor: pointer;
  padding: 0;
}
.ui-input-group__revert:hover {
  background: var(--surface-high);
  color: var(--primary);
}
.ui-input-group__revert:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.ui-input-group.is-dirty .ui-input { padding-right: var(--space-7); }
.ui-input-group.is-dirty .ui-input-group__revert { display: inline-flex; }
/* Subtle "edited" affordance — left edge tinted while dirty. */
.ui-input-group.is-dirty .ui-input { border-left-color: var(--primary-strong); }

/* Input prefix — for search/filter inputs with a leading icon. */
.ui-input-group .ui-input-group__prefix {
  position: absolute;
  top: 50%;
  left: var(--space-4);
  transform: translateY(-50%);
  color: var(--on-surface-mute);
  pointer-events: none;
  display: inline-flex;
}
.ui-input-group:has(.ui-input-group__prefix) .ui-input { padding-left: var(--space-7); }

/* Icon-only button — square, for table row actions or panel headers. */
.ui-button--icon {
  width: var(--button-h);
  padding: 0;
}

/* ---------- Checkbox (§7.5) ----------
 * Native <input type="checkbox"> hidden, custom box drawn alongside.
 * Wrap an input in a label.ui-checkbox; spec mandates label+box pair. */
.ui-checkbox {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--font-md);
  color: var(--on-surface);
  user-select: none;
  position: relative;
}
.ui-checkbox__input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: inherit;
}
.ui-checkbox__box {
  box-sizing: border-box;
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  background: var(--surface);
  border: 1px solid var(--surface-highest);
  border-radius: var(--radius-1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 80ms linear, border-color 80ms linear;
  position: relative;
  pointer-events: none;
}
.ui-checkbox:hover .ui-checkbox__box { border-color: var(--on-surface-mute); }
.ui-checkbox__input:checked + .ui-checkbox__box {
  background: var(--primary-strong);
  border-color: var(--primary-strong);
}
/* Drawn check — two strokes via clip-path so it scales with the box. */
.ui-checkbox__input:checked + .ui-checkbox__box::after {
  content: "";
  width: 9px;
  height: 5px;
  border-left: 2px solid var(--on-primary);
  border-bottom: 2px solid var(--on-primary);
  transform: rotate(-45deg) translate(1px, -1px);
}
.ui-checkbox__input:focus-visible + .ui-checkbox__box {
  border-color: var(--primary-strong);
  box-shadow: var(--focus-ring);
}
.ui-checkbox__input:disabled + .ui-checkbox__box { opacity: 0.5; }
.ui-checkbox:has(.ui-checkbox__input:disabled) { cursor: not-allowed; opacity: 0.7; }
/* Indeterminate — drawn as a 2px horizontal bar instead of a check. */
.ui-checkbox__input:indeterminate + .ui-checkbox__box {
  background: var(--primary-strong);
  border-color: var(--primary-strong);
}
.ui-checkbox__input:indeterminate + .ui-checkbox__box::after {
  content: "";
  width: 8px;
  height: 2px;
  background: var(--on-primary);
  border: 0;
  transform: none;
}

/* Toggle switch — checkbox styled as a track + thumb.
 * Wrap an <input type="checkbox" class="ui-switch__input"> in a label. */
.ui-switch {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  cursor: pointer;
  font-size: var(--font-md);
  color: var(--on-surface);
}
.ui-switch__input { position: absolute; opacity: 0; pointer-events: none; }
.ui-switch__track {
  box-sizing: border-box;
  position: relative;
  width: 32px;
  height: 18px;
  background: var(--surface-highest);
  border: 1px solid var(--outline);
  border-radius: 999px;
  transition: background 100ms linear, border-color 100ms linear;
}
.ui-switch__track::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 1px;
  width: 14px;
  height: 14px;
  background: var(--on-surface-dim);
  border-radius: 50%;
  transition: transform 120ms ease, background 120ms ease;
}
.ui-switch__input:checked + .ui-switch__track {
  background: var(--primary-strong);
  border-color: var(--primary-strong);
}
.ui-switch__input:checked + .ui-switch__track::after {
  transform: translateX(14px);
  background: var(--on-primary);
}
.ui-switch__input:focus-visible + .ui-switch__track { box-shadow: var(--focus-ring); }
.ui-switch__input:disabled + .ui-switch__track { opacity: 0.5; cursor: not-allowed; }

/* Segmented control — 2–3 mutually-exclusive options inline. Renders
 * as a row of buttons with a single selected; selection is indicated
 * by the raised surface, not color. Use radio inputs for state. */
.ui-segmented {
  display: inline-flex;
  height: var(--button-h);
  border: 1px solid var(--surface-highest);
  border-radius: var(--radius-2);
  background: var(--surface-low);
  padding: 2px;
  gap: 2px;
}
.ui-segmented__opt {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-5);
  border: 0;
  border-radius: var(--radius-1);
  background: transparent;
  color: var(--on-surface-mute);
  font: inherit;
  font-size: var(--font-md);
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  appearance: none;
  -webkit-appearance: none;
}
.ui-segmented__opt:hover { color: var(--on-surface); }
.ui-segmented__opt[aria-pressed="true"],
.ui-segmented__opt.is-selected {
  background: var(--surface-highest);
  color: var(--on-surface);
}
.ui-segmented__opt:focus-visible { outline: none; box-shadow: var(--focus-ring); }

/* Editable-card footer — sticks at the bottom of a panel and holds
 * Revert/Cancel + Save. Pairs with .ui-panel. */
.ui-panel__footer {
  border-top: 1px solid var(--outline-subtle);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  background: color-mix(in srgb, var(--surface-high) 30%, transparent);
}
.ui-panel__footer-spacer { margin-right: auto; color: var(--on-surface-mute); font-size: var(--font-sm); }

/* Editable table — a .ui-table where some cells contain inputs.
 * Inputs sit flush in the cell with no extra padding so the row
 * height stays at --row-default. */
.ui-table--editable td { padding: 0; }
.ui-table--editable td.cell-text { padding: 0 var(--space-5); }
.ui-table--editable td .ui-input {
  height: 100%;
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 0 var(--space-5);
}
.ui-table--editable td .ui-input:focus-visible {
  background: var(--surface-low);
  box-shadow: inset var(--focus-ring);
  border: 0;
}
.ui-table--editable td .ui-input--invalid,
.ui-table--editable td .ui-input--invalid:focus-visible {
  background: var(--danger-surface);
  box-shadow: inset 0 0 0 1px var(--danger);
}

/* Modal — native <dialog>. Open with .showModal(), close with .close().
 * Native dialog gives us ESC handling, focus trap, inert background,
 * and focus restoration for free. We still wire backdrop-click to close. */
dialog.ui-modal {
  background: var(--surface-low);
  color: var(--on-surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius-3);
  padding: 0;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
dialog.ui-modal:not([open]) { display: none; }
dialog.ui-modal::backdrop {
  background: rgba(0, 0, 0, 0.55);
}
.ui-modal__header {
  height: var(--panel-header);
  padding: 0 var(--space-5);
  border-bottom: 1px solid var(--outline-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ui-modal__title {
  margin: 0;
  font-size: var(--font-lg);
  line-height: var(--font-lg-lh);
  font-weight: 600;
}
.ui-modal__body { padding: var(--space-5); overflow: auto; }
.ui-modal__footer {
  border-top: 1px solid var(--outline-subtle);
  padding: var(--space-4) var(--space-5);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}


/* ---------- Field (§7.6) ---------- */
.ui-field { display: flex; flex-direction: column; gap: var(--space-2); }
.ui-field--invalid .ui-textarea { border-color: var(--danger); }
.ui-field__label {
  font-size: var(--font-sm);
  line-height: var(--font-sm-lh);
  font-weight: 500;
  color: var(--on-surface-dim);
}
.ui-field__req { color: var(--danger); }
.ui-field__helper {
  margin: 0;
  font-size: var(--font-sm);
  line-height: var(--font-sm-lh);
  color: var(--on-surface-mute);
}
.ui-field__error {
  margin: 0;
  font-size: var(--font-sm);
  line-height: var(--font-sm-lh);
  color: var(--danger);
}

/* ---------- Key-value table (§7.10) ----------
 * Two-column read-only summary: label (th) + value (td). Reads top-to-
 * bottom unlike .ui-table (which reads left-to-right). Cap at ~8 rows;
 * past that, switch to a real data table. */
.ui-kv {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-md);
  line-height: var(--font-md-lh);
}
.ui-kv th {
  text-align: left;
  font-weight: 400;
  color: var(--on-surface-dim);
  padding: var(--space-3) var(--space-5) var(--space-3) 0;
  border-bottom: 1px solid var(--outline-subtle);
  white-space: nowrap;
}
.ui-kv td {
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--on-surface);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--outline-subtle);
  white-space: nowrap;
}
.ui-kv tr:last-child th,
.ui-kv tr:last-child td { border-bottom: 0; }
/* Total / emphasis row — bolder rule above, stronger weight. */
.ui-kv tr.is-total th,
.ui-kv tr.is-total td {
  border-top: 1px solid var(--outline);
  font-weight: 600;
  color: var(--on-surface);
}

/* ---------- Discrepancy badge (§7.23) ----------
 * Small numeric badge that color-grades a value against a domain
 * threshold. Variant is decided by the caller (not the component).
 * Spec rule: sign always visible, never color-only — pair with
 * sign + magnitude + unit. */
.ui-disc-badge {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  padding: 1px var(--space-3);
  border: 1px solid var(--outline);
  border-radius: var(--radius-1);
  background: var(--surface-high);
  color: var(--on-surface);
  font-size: var(--font-sm);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.ui-disc-badge__unit {
  font-weight: 400;
  color: inherit;
  opacity: 0.85;
  margin-left: 2px;
}
.ui-disc-badge--red {
  background: var(--danger-surface);
  border-color: var(--danger);
  color: var(--danger);
}
.ui-disc-badge--amber {
  background: var(--warn-surface);
  border-color: var(--warn);
  color: var(--warn);
}
.ui-disc-badge--green {
  background: var(--success-surface);
  border-color: var(--success);
  color: var(--success);
}

/* ---------- Empty state (§7.11) ----------
 * Shown inside a panel body when there are no records to render.
 * One sentence, one optional CTA. No decorative illustrations; an
 * optional 24px-max icon glyph is allowed. */
.ui-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--space-3);
  padding: var(--space-8) var(--space-5);
  color: var(--on-surface-mute);
}
.ui-empty__icon {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--on-surface-mute);
}
.ui-empty__message {
  margin: 0;
  font-size: var(--font-md);
  line-height: var(--font-md-lh);
  color: var(--on-surface-dim);
  max-width: 40ch;
}
.ui-empty__action {
  margin-top: var(--space-3);
}

/* ---------- Hero metric (§7.18) ----------
 * One prominent number per page. Value capped at --font-hero (24px)
 * per the banned-aesthetic rule. No sparkline inside. */
.ui-hero-metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.ui-hero-metric__value {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-variant-numeric: tabular-nums;
}
.ui-hero-metric__num {
  font-size: var(--font-hero);
  line-height: var(--font-hero-lh);
  font-weight: var(--font-hero-weight);
  color: var(--on-surface);
  letter-spacing: -0.01em;
}
.ui-hero-metric__unit {
  font-size: var(--font-md);
  color: var(--on-surface-mute);
}
.ui-hero-metric__sub {
  font-size: var(--font-sm);
  color: var(--on-surface-mute);
}
.ui-hero-metric__trend {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: var(--font-sm);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.ui-hero-metric__trend--up   { color: var(--success); }
.ui-hero-metric__trend--down { color: var(--danger); }
.ui-hero-metric__trend--flat { color: var(--on-surface-mute); }

/* ---------- Reading row (§7.19) ----------
 * One labeled measurement: name | numeric input | unit. The dominant
 * data-entry primitive in Plant Entry. Pairs with .ui-field-section
 * for grouping (no more than 3 rows without a section label above). */
.ui-reading-row {
  display: grid;
  grid-template-columns: 1fr 120px 56px;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--outline-subtle);
}
.ui-reading-row:last-child { border-bottom: 0; }
.ui-reading-row__label {
  font-size: var(--font-md);
  color: var(--on-surface);
}
.ui-reading-row__input {
  /* uses .ui-input + .ui-input--num */
}
.ui-reading-row__unit {
  font-size: var(--font-sm);
  color: var(--on-surface-mute);
  text-align: left;
}
/* Read-only variant — value shown as text in the input slot. */
.ui-reading-row__readout {
  font-size: var(--font-md);
  color: var(--on-surface);
  text-align: right;
  font-variant-numeric: tabular-nums;
  padding: 0 var(--space-4);
}

/* ---------- Field-section label (§7.20) ----------
 * Uppercase caption + optional source tag. Groups reading rows or
 * form fields within a panel without nesting panels. Pairs with the
 * .ui-pill primitive for the source tag. Spec rule: never use as a
 * panel title (panel titles are --font-lg). */
.ui-field-section {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-5) 0 var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--outline-subtle);
}
.ui-field-section:first-child { margin-top: 0; }
.ui-field-section__label {
  font-size: var(--font-xs);
  line-height: var(--font-xs-lh);
  font-weight: var(--font-xs-weight);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--on-surface-mute);
}

/* ---------- Shared card shell (§7.6) ---------- */
.ui-card,
.ui-panel {
  background: var(--surface-low);
  border: 1px solid var(--outline);
  border-radius: var(--radius-3);
  display: flex;
  flex-direction: column;
}
.ui-card {
  padding: var(--space-4);
}
.ui-card--compact {
  padding: var(--space-3) var(--space-4);
}
.ui-card--spacious {
  padding: var(--space-5);
}
.ui-card--flush {
  padding: 0;
}
.ui-card--scroll {
  overflow: auto;
}

/* Panel purpose variants. A page gets at most one primary-task panel; optional
 * panels remain fully readable while yielding visual priority to that task. */
.ui-panel--primary-task {
  border-color: var(--outline);
  box-shadow: var(--shadow-1);
}
.ui-panel--primary-task > .ui-panel__header {
  background: var(--surface-low);
}
.ui-panel--optional { border-color: var(--outline-subtle); }
.ui-panel--optional > .ui-panel__header { background: var(--surface-low); }
.ui-panel--optional > .ui-panel__header .ui-panel__title { color: var(--on-surface-dim); }

/* Operator-card workspace — stable slots with card-owned responsiveness.
 * Pages supply domain content; the component decides when primary/support rails fit. */
.ui-operator-card { container: operator-card / inline-size; }
.ui-operator-card__layout {
  display: grid;
  grid-template-columns: minmax(28rem, 1.35fr) minmax(18rem, .65fr);
  gap: var(--space-5);
  align-items: start;
}
.ui-operator-card__primary,
.ui-operator-card__support,
.ui-operator-card__actions,
.ui-operator-card__details { min-width: 0; }
.ui-operator-card__primary--entry {
  --entry-emphasis-size: var(--font-hero);
  --entry-emphasis-line: var(--font-hero-lh);
}
.ui-entry-emphasis {
  border-color: var(--primary-strong);
  background: var(--surface-highest);
  color: var(--on-surface);
  box-shadow: var(--shadow-2);
  font-family: var(--font-family-mono);
  font-size: var(--entry-emphasis-size, var(--font-lg));
  line-height: var(--entry-emphasis-line, var(--font-lg-lh));
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  border-radius: var(--radius-1);
}
.ui-entry-emphasis:hover { border-color: var(--primary); }
.ui-entry-emphasis:focus-visible {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--focus-ring);
}
.ui-entry-emphasis--awaiting {
  border-color: var(--danger);
  background: var(--danger-surface);
  color: var(--danger);
  box-shadow: var(--shadow-1);
}
.ui-entry-emphasis--awaiting:hover { border-color: var(--danger-strong); }
.ui-operator-card__actions { grid-column: 2; }
.ui-operator-card__details { grid-column: 1 / -1; }
@container operator-card (max-width: 56rem) {
  .ui-operator-card__layout { grid-template-columns: minmax(0, 1fr); gap: var(--space-4); }
  .ui-operator-card__actions,
  .ui-operator-card__details { grid-column: 1; }
}

/* ---------- Panel (§7.7) ---------- */
.ui-panel__header {
  height: var(--panel-header);
  padding: 0 var(--space-5);
  border-bottom: 1px solid var(--outline-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}
.ui-panel__title {
  margin: 0;
  font-size: var(--font-lg);
  line-height: var(--font-lg-lh);
  font-weight: var(--font-lg-weight);
  color: var(--on-surface);
}
/* Left cluster: title + optional inline controls (filters, scope toggles)
 * that should read as part of the panel identity instead of being pushed
 * to the right with the actions group. */
.ui-panel__lead { display: flex; align-items: center; gap: var(--space-5); min-width: 0; }
.ui-panel__title-aside { display: inline-flex; align-items: center; }
.ui-panel__actions { display: flex; gap: var(--space-3); }
.ui-panel__body {
  padding: var(--space-5);
  /* Universal containment: long tables inside narrow cards scroll
     horizontally inside the panel rather than clipping past the card
     border. Paired with min-width: 0 so the body can shrink below its
     intrinsic table width inside any flex/grid parent. */
  min-width: 0;
  overflow-x: auto;
}
.ui-panel__body--scroll {
  overflow: auto;
}
.ui-panel__body--scroll .ui-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
}

/* Dev-only library surfaces use the same panels as runtime pages, but their
   independent specimens should hug useful content rather than share a stretched row. */
.dev-showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
  gap: var(--space-5);
}
.dev-showcase-grid > .ui-panel { align-self: start; }
.dev-showcase-grid .ui-panel__body { overflow-wrap: anywhere; }
/* The component-gallery state column is labels only; keep it content-sized so
   mobile table slack stays in the declared Source column instead of after State. */
.dev-readings-table th:last-child,
.dev-readings-table td:last-child { width: 1%; white-space: nowrap; }
@media (max-width: 720px) {
  .dev-showcase-grid { grid-template-columns: minmax(0, 1fr); }
  .dev-showcase-grid .ui-segmented { max-width: 100%; flex-wrap: wrap; height: auto; }
  .dev-showcase-grid .ui-table th,
  .dev-showcase-grid .ui-table td { overflow-wrap: anywhere; }
  .dev-showcase-grid .ui-status { min-width: 0; align-items: flex-start; white-space: normal; }
}

/* ---------- Panel variants (§7.7b) ---------- */
/* Registry-driven panel sizing. Replaces per-card `max-height + overflow-y: auto`
   patches in page CSS. Card height is computed from the rows it intends to show
   (one source of truth in the card registry → table_dims.display_rows), so
   row-mate dead space collapses and "make it scrollable" stops being the
   silent escape valve.

   Usage:
     <section class="ui-panel ui-panel--table" style="--rows: 6;">
       <header class="ui-panel__header">...</header>
       <div class="ui-panel__body"><table class="ui-table">...</table></div>
     </section>

   Height math (matches table density tokens):
       panel-header (40) + body vertical padding (32)
     + table-header (32) + row-default (32) × rows
     = 104 + 32 × rows

   The macro `panel(variant='table', style='--rows: N')` emits the right HTML.
   Source for --rows lives in the card registry under each card's
   table_dims.display_rows — never hand-tuned per card. */
.ui-panel--table {
  --rows: 6;
  flex: 0 0 auto;
  height: calc(
    var(--panel-header)
    + var(--space-5) * 2
    + var(--header-row)
    + var(--row-default) * var(--rows)
  );
}
.ui-panel--table > .ui-panel__body {
  overflow-y: hidden;
}
/* Opt-in escape hatch: when scroll IS the right choice for a specific card,
   set data-overflow="scroll" on the panel. Must be a deliberate, marked
   choice — never silent like the old per-card CSS patches. */
.ui-panel--table[data-overflow="scroll"] > .ui-panel__body {
  overflow-y: auto;
}

/* ---------- Fill rails (§7.8) ---------- */
/* Shared layout primitive for columns where cards should absorb small amounts
   of leftover rail height without page CSS inventing per-card stretch rules.
   The parent supplies the available height; children opt in with
   .ui-fill-rail__item. */
.ui-fill-rail {
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.ui-fill-rail__item {
  display: flex;
  flex-direction: column;
  flex: 0 1 auto;
  min-width: 0;
  min-height: 0;
}
.ui-fill-rail__item--fill {
  flex: 1 1 auto;
}
.ui-fill-rail__item--fill > .ui-panel {
  flex: 1 1 auto;
}
.ui-fill-rail--balanced > .ui-fill-rail__item {
  flex-grow: 1;
  flex-shrink: 0;
}
.ui-fill-rail--balanced > .ui-fill-rail__item > .ui-panel {
  flex: 1 1 auto;
}
.ui-fill-grid {
  display: grid;
  min-height: 0;
  align-items: stretch;
}
.ui-fill-grid__item {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}
.ui-fill-grid--fill > .ui-fill-grid__item > .ui-panel {
  flex: 1 1 auto;
}

/* View ↔ edit mode. Default state is view.
   Scoped to [data-edit-panel] (the canonical hook wired by pages/accounting/accounting.js)
   so non-panel hosts like .acct-edit-row also get mode-based hide rules. */
[data-edit-panel][data-mode="view"] .is-edit-only { display: none !important; }
[data-edit-panel][data-mode="edit"] .is-view-only { display: none !important; }
.ui-field__readout {
  display: block;
  height: var(--field-height);
  line-height: var(--field-height);
  font-size: var(--font-md);
  color: var(--on-surface);
  font-variant-numeric: tabular-nums;
}
.ui-field__readout--num { text-align: right; font-feature-settings: "tnum"; }
.ui-field__readout--empty { color: var(--on-surface-mute); }

/* Revert-all button is hidden until the panel has a dirty field. */
[data-edit-panel] [data-revert-all] { display: none; }
[data-edit-panel].has-dirty [data-revert-all] { display: inline-flex; }

/* ---------- Banner (§7.8) ----------
 * Solid filled accent. The button-strong color carries severity, with
 * on-color text. Reserved for high-priority page-level announcements;
 * for in-context row hints prefer §7.22 attention strip. */
.ui-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border: 0;
  border-radius: var(--radius-2);
  font-size: var(--font-md);
  line-height: var(--font-md-lh);
  text-decoration: none;
  color: inherit;
}
.ui-banner__icon { flex: 0 0 auto; display: inline-flex; }
.ui-banner__title { font-weight: 700; flex: 0 1 auto; min-width: 0; margin-right: var(--space-3); }
.ui-banner__detail { flex: 1 1 auto; min-width: 0; opacity: 0.92; }
.ui-banner__meta {
  flex: 0 0 auto;
  font-size: var(--font-sm);
  opacity: 0.85;
  font-variant-numeric: tabular-nums;
}
.ui-banner__chevron { flex: 0 0 auto; opacity: 0.7; }

/* Solid (default) — filled accent surface, on-color text. Reserve for the
 * one main page-level announcement. */
.ui-banner--info    { background: var(--info-strong);    color: var(--on-info); }
.ui-banner--warn    { background: var(--warn-strong);    color: var(--on-warn); }
.ui-banner--danger  { background: var(--danger-strong);  color: var(--on-danger); }

/* Hairline — neutral surface, 1px accent border, no fill tint. Use for
 * stacked rows (attention strip), inline hints, or quieter notices. */
.ui-banner--hairline {
  background: var(--surface-low);
  border: 1px solid var(--outline);
  color: var(--on-surface);
}
.ui-banner--hairline .ui-banner__detail { color: var(--on-surface-dim); opacity: 1; }
.ui-banner--hairline .ui-banner__meta   { color: var(--on-surface-mute); opacity: 1; }
.ui-banner--hairline.ui-banner--info    { border-color: var(--info); }
.ui-banner--hairline.ui-banner--info    .ui-banner__title { color: var(--info); }
.ui-banner--hairline.ui-banner--warn    { border-color: var(--warn); }
.ui-banner--hairline.ui-banner--warn    .ui-banner__title { color: var(--warn); }
.ui-banner--hairline.ui-banner--danger  { border-color: var(--danger); }
.ui-banner--hairline.ui-banner--danger  .ui-banner__title { color: var(--danger); }

a.ui-banner--hairline { transition: background 80ms linear; }
a.ui-banner--hairline:hover { background: var(--surface-container); }
a.ui-banner--hairline:focus-visible { outline: none; box-shadow: var(--focus-ring); }

/* ---------- Pill / status (§7.15) ---------- */
.ui-pill {
  display: inline-block;
  padding: 1px var(--space-3);
  border: 1px solid var(--outline);
  border-radius: var(--radius-1);
  background: var(--surface-high);
  font-size: var(--font-2xs);
  font-weight: 700;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--on-surface-mute);
  white-space: nowrap;
}
.ui-pill--success { background: var(--success-surface); border-color: var(--success); color: var(--success); }
.ui-pill--warn    { background: var(--warn-surface);    border-color: var(--warn);    color: var(--warn); }
.ui-pill--danger  { background: var(--danger-surface);  border-color: var(--danger);  color: var(--danger); }
.ui-pill--info    { background: var(--info-surface);    border-color: var(--primary-strong); color: var(--primary); }
a.ui-pill--nav              { text-decoration: none; }
a.ui-pill--nav:hover        { color: var(--primary); text-decoration: underline; }
a.ui-pill--nav:focus-visible { outline: none; box-shadow: var(--focus-ring); }

/* Chip — alias of pill. Same primitive, used inside auth flows where
 * "chip" reads more naturally (e.g. role chip on a login error). Any
 * pill modifier (--success, --warn, --danger, --info) works on chip. */
.ui-chip { /* shape inherits from .ui-pill; expose as a separate class
              so call sites don't have to use the pill name in auth
              copy. Use exactly like .ui-pill. */
  display: inline-block;
  padding: 1px var(--space-3);
  border: 1px solid var(--outline);
  border-radius: var(--radius-1);
  background: var(--surface-high);
  font-size: var(--font-2xs);
  font-weight: 700;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--on-surface-mute);
  white-space: nowrap;
}
.ui-chip--success,
.ui-chip--confirmed { background: var(--success-surface); border-color: var(--success); color: var(--success); }
.ui-chip--warn,
.ui-chip--stale,
.ui-chip--override { background: var(--warn-surface); border-color: var(--warn); color: var(--warn); }
.ui-chip--danger,
.ui-chip--needs { background: var(--danger-surface); border-color: var(--danger); color: var(--danger); }
.ui-chip--info,
.ui-chip--source { background: var(--info-surface); border-color: var(--primary-strong); color: var(--primary); }

/* ---------- Table (§7.9) ---------- */
.ui-table-wrap {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  max-height: var(--ui-table-max-height, 320px);
  overflow: auto;
}
.ui-table-wrap > .ui-table { width: 100%; }
.ui-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-md);
  line-height: var(--font-md-lh);
}
.ui-table thead th {
  position: sticky;
  top: 0;
  height: var(--header-row);
  padding: 0 var(--space-5);
  background: var(--surface-high);
  border-bottom: 1px solid var(--outline);
  font-size: var(--font-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--on-surface-mute);
  text-align: left;
  /* Allow header labels to wrap inside narrow card columns instead of
     forcing the whole table wider than its container. Numeric headers
     (.num) keep nowrap below so numbers/units don't break across lines. */
  white-space: normal;
}
.ui-table tbody td {
  height: var(--row-default);
  padding: 0 var(--space-5);
  border-bottom: 1px solid var(--outline-subtle);
  color: var(--on-surface);
}
.ui-table tbody tr:hover td { background: var(--surface-high); }
.ui-table .num,
.ui-table th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.ui-table .center,
.ui-table th.center { text-align: center; }
.ui-table .num--danger,
.ui-table .delta--over { color: var(--danger); font-weight: 500; }
.ui-table .num--success,
.ui-table .delta--under { color: var(--success); font-weight: 500; }
.ui-table .num--warn { color: var(--warn); font-weight: 500; }
.ui-table .num--changed { color: var(--warn); font-weight: 500; }
.ui-table--compact tbody td { height: var(--row-compact); }
.ui-table--instrument { font-size: var(--font-sm); }
.ui-table--instrument thead th {
  height: var(--row-compact);
  padding-inline: var(--space-3);
  background: var(--surface-low);
  font-family: var(--font-family-mono);
  font-size: var(--font-2xs);
}
.ui-table--instrument tbody th,
.ui-table--instrument tbody td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--outline-subtle);
  vertical-align: middle;
}
.ui-table--instrument tbody th { color: var(--on-surface); text-align: left; font-weight: 600; }
.ui-table__context {
  display: inline-flex;
  min-width: 5.5rem;
  justify-content: center;
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--outline);
  border-radius: var(--radius-1);
  color: var(--on-surface-dim);
  font-family: var(--font-family-mono);
  font-size: var(--font-xs);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.ui-table__value { font-family: var(--font-family-mono); font-weight: 700; font-variant-numeric: tabular-nums; }
.ui-table__action { width: 1%; text-align: right; white-space: nowrap; }

/* Tinted panel header — for tables/lists living inside a panel.
 * Pairs with .ui-panel__header. Slightly raised tint distinguishes
 * the header strip from the table header below. */
.ui-panel__header--tinted { background: color-mix(in srgb, var(--surface-high) 60%, transparent); }

/* ---------- Page header (§7.12) ---------- */
.ui-page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-5);
  flex-wrap: wrap;
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--outline);
  margin-bottom: var(--space-6);
}
.ui-page-header > div:first-child { min-width: 0; flex: 1 1 320px; }
.ui-page-header__actions { flex: 0 0 auto; }
.ui-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-sm);
  color: var(--on-surface-mute);
  margin-bottom: var(--space-2);
}
.ui-breadcrumb__sep { color: var(--on-surface-mute); }
.ui-breadcrumb__current { color: var(--on-surface-dim); }
.ui-page-header__title {
  margin: 0;
  font-size: var(--font-xl);
  line-height: var(--font-xl-lh);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--on-surface);
}
.ui-page-header__actions { display: flex; align-items: center; gap: var(--space-4); }

/* ---------- Stepper (prev / label / next) ---------- */
.ui-stepper {
  display: inline-flex;
  align-items: stretch;
  height: var(--button-h);
  border: 1px solid var(--surface-highest);
  border-radius: var(--radius-2);
  background: var(--surface-low);
  overflow: hidden;
}
.ui-stepper__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--button-h);
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: 0;
  color: var(--on-surface-dim);
  font: inherit;
  font-size: var(--font-lg);
  cursor: pointer;
}
.ui-stepper__btn:hover { background: var(--surface-high); color: var(--on-surface); }
.ui-stepper__label {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-5);
  border: 0;
  border-left: 1px solid var(--surface-highest);
  border-right: 1px solid var(--surface-highest);
  background: transparent;
  font: inherit;
  font-size: var(--font-md);
  font-weight: 500;
  color: var(--on-surface);
  cursor: default;
}
button.ui-stepper__label { cursor: pointer; }
button.ui-stepper__label:hover { background: var(--surface-high); }
button.ui-stepper__label:focus-visible { outline: none; box-shadow: var(--focus-ring); }

/* Title-sized stepper — the picker label reads as the page title.
   Used by /accounting and /plant headers, replacing a separate <h1>
   that duplicated the picker's date. */
.ui-stepper--title { height: auto; }
.ui-stepper--title .ui-stepper__btn {
  width: calc(var(--button-h) + var(--space-2));
  font-size: var(--font-xl);
}
.ui-stepper--title .ui-stepper__label {
  padding: var(--space-2) var(--space-5);
  font-size: var(--font-xl);
  line-height: var(--font-xl-lh);
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Hidden form-value carrier that backs a stepper. The visible UI is
 * .ui-calendar below; this exists only so a parent <form> serializes
 * the chosen date. Native picker is not used. */
.ui-stepper__hidden-date {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  border: 0;
  padding: 0;
  margin: 0;
}

/* ---------- Calendar popover ----------
 * Custom popup the stepper opens. We don't use the native date picker
 * because Chrome/Safari on macOS drop `color-scheme` for the popup
 * shadow root, leaving it permanently light. Tokens-only — flips with
 * the theme automatically. */
.ui-calendar {
  position: fixed;
  z-index: 50;
  display: none;
  min-width: 280px;
  background: var(--surface-low);
  color: var(--on-surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius-3);
  box-shadow: var(--shadow-2);
  padding: var(--space-4);
  font-size: var(--font-md);
}
.ui-calendar.is-open { display: block; }

.ui-calendar__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.ui-calendar__title {
  background: transparent;
  border: 0;
  border-radius: var(--radius-1);
  font-weight: 600;
  color: var(--on-surface);
  font-size: var(--font-md);
  cursor: pointer;
  padding: var(--space-1) var(--space-2);
  margin-left: calc(var(--space-2) * -1);
}
.ui-calendar__title:hover { background: var(--surface-high); }
.ui-calendar__title:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.ui-calendar__nav {
  display: inline-flex;
  gap: var(--space-1);
}
.ui-calendar__nav button {
  background: transparent;
  border: 0;
  color: var(--on-surface-mute);
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-1);
  cursor: pointer;
  transition: background 80ms linear;
}
.ui-calendar__nav button:hover { background: var(--surface-high); color: var(--on-surface); }
.ui-calendar__nav button:focus-visible { outline: none; box-shadow: var(--focus-ring); }

.ui-calendar__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}
.ui-calendar__dow {
  text-align: center;
  font-size: var(--font-xs);
  font-weight: var(--font-xs-weight, 600);
  color: var(--on-surface-mute);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  padding: var(--space-2) 0;
}
.ui-calendar__day {
  background: transparent;
  border: 0;
  color: var(--on-surface);
  height: 32px;
  border-radius: var(--radius-1);
  font-size: var(--font-md);
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  transition: background 80ms linear;
}
.ui-calendar__day:hover { background: var(--surface-high); }
.ui-calendar__day:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.ui-calendar__day.is-other { color: var(--on-surface-mute); opacity: 0.5; }
.ui-calendar__day.is-today { box-shadow: inset 0 0 0 1px var(--outline); }
.ui-calendar__day.is-selected {
  background: var(--primary-strong);
  color: var(--on-primary);
}
.ui-calendar__day.is-selected.is-today { box-shadow: none; }

.ui-calendar__grid--months {
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  min-width: 248px;
}
.ui-calendar__month {
  background: transparent;
  border: 1px solid transparent;
  color: var(--on-surface);
  min-height: 38px;
  border-radius: var(--radius-1);
  font-size: var(--font-sm);
  font-weight: 600;
  cursor: pointer;
  transition: background 80ms linear, border-color 80ms linear;
}
.ui-calendar__month:hover {
  background: var(--surface-high);
  border-color: var(--outline-subtle);
}
.ui-calendar__month:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.ui-calendar__month.is-selected {
  background: var(--primary-strong);
  color: var(--on-primary);
}

.ui-calendar__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--outline-subtle);
}
.ui-calendar__foot button {
  background: transparent;
  border: 0;
  color: var(--primary);
  font-size: var(--font-sm);
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-1);
}
.ui-calendar__foot button:hover { background: var(--surface-high); }
.ui-calendar__foot button:focus-visible { outline: none; box-shadow: var(--focus-ring); }

/* ---------- Icon button (§7.2) ----------
 * Square 32×32 button for toolbar/row affordances. Always carries
 * an aria-label — never icon-only without a tooltip. */
.ui-icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--button-h);
  height: var(--button-h);
  padding: 0;
  border: 1px solid var(--outline);
  border-radius: var(--radius-2);
  background: var(--surface-high);
  color: var(--on-surface-dim);
  cursor: pointer;
  transition: background 80ms linear, border-color 80ms linear, color 80ms linear;
}
.ui-icon-button:hover {
  background: var(--surface-highest);
  color: var(--on-surface);
}
.ui-icon-button:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.ui-icon-button:disabled { opacity: 0.5; cursor: not-allowed; }
.ui-icon-button svg,
.ui-icon-button .ui-icon-button__glyph {
  width: 16px;
  height: 16px;
  display: block;
}

.ui-icon-button--danger {
  color: var(--danger);
  border-color: var(--outline);
}
.ui-icon-button--danger:hover {
  background: var(--danger-surface);
  border-color: var(--danger);
  color: var(--danger);
}

/* ---------- Status dot (§7.14) ----------
 * 8px ambient-state dot. Always paired with a text label nearby —
 * the dot is reinforcement, not the only signal. No size variants,
 * no animation. */
.ui-status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--on-surface-mute);
  flex-shrink: 0;
  vertical-align: middle;
}
.ui-status-dot--green { background: var(--success); }
.ui-status-dot--amber { background: var(--warn); }
.ui-status-dot--red   { background: var(--danger); }
.ui-status-dot--grey  { background: var(--on-surface-mute); }

/* Convenience wrapper for "dot + label" pairings used in panel
 * headers, table cells, and admin user lists. */
.ui-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-sm);
  color: var(--on-surface-dim);
  white-space: nowrap;
}

/* ---------- Field row ---------- */
.ui-field-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  min-height: var(--row-default);
  border-bottom: 1px solid var(--outline-subtle);
}
.ui-field-row__label {
  flex: 1 1 12rem;
  font-size: var(--font-2xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  font-weight: 600;
  color: var(--on-surface-mute);
}
.ui-field-row__value { min-width: 6rem; color: var(--on-surface); font-variant-numeric: tabular-nums; }
.ui-field-row__value--empty { color: var(--on-surface-mute); }
.ui-field-row__input { width: min(12rem, 100%); height: var(--field-height); border: 1px solid var(--outline); border-radius: var(--radius-1); background: var(--surface); color: var(--on-surface); padding: 0 var(--space-3); }
.ui-field-row__input:focus { outline: none; box-shadow: var(--focus-ring); }
.ui-field-row__actions { min-width: var(--button-h); text-align: right; }
.ui-field-row__error { flex: 0 0 100%; color: var(--danger); font-size: var(--font-xs); }
.ui-field-row.has-error .ui-field-row__input { border-color: var(--danger); }

/* ---------- Source tabs ---------- */
.ui-source-tabs { display: inline-flex; overflow: hidden; border: 1px solid var(--outline-variant); border-radius: var(--radius-1); background: var(--surface); }
.ui-source-tab { position: relative; min-height: 28px; padding: 0 var(--space-3); display: inline-flex; align-items: center; border-right: 1px solid var(--outline-variant); color: var(--on-surface-mute); font-size: var(--font-xs); font-weight: 700; letter-spacing: var(--tracking-caps); text-transform: uppercase; cursor: pointer; }
.ui-source-tab:last-child { border-right: 0; }
.ui-source-tab input { position: absolute; opacity: 0; pointer-events: none; }
.ui-source-tab.is-active, .ui-source-tab:has(input:checked) { background: var(--surface-high); color: var(--on-surface); }
.ui-source-tab:focus-within { box-shadow: inset var(--focus-ring); }

/* ---------- Editable card ---------- */
.ui-editable-card__form { display: flex; flex: 1 1 auto; min-height: 0; flex-direction: column; }

/* ---------- Server-rendered sparkline ---------- */
.ui-sparkline { display: inline-block; vertical-align: middle; width: 132px; height: 28px; }
.ui-sparkline__line { fill: none; stroke: var(--primary); stroke-width: 1.25px; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.ui-sparkline__dot { fill: var(--primary); }
.ui-sparkline--empty { color: var(--on-surface-mute); }

/* ---------- Side nav (§7.13) ----------
 * Fixed 200px sidebar. Flat list of links per group. No collapse,
 * no nesting in MVP. Active link uses --surface-highest. */
.ui-nav {
  width: var(--nav-width);
  flex-shrink: 0;
  background: var(--surface-low);
  border-right: 1px solid var(--outline);
  padding: var(--space-5) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  height: 100%;
  overflow-y: auto;
}

.ui-nav__brand {
  padding: 0 var(--space-5) var(--space-5);
  font-size: var(--font-lg);
  font-weight: 600;
  color: var(--on-surface);
  letter-spacing: -0.01em;
  border-bottom: 1px solid var(--outline-subtle);
  margin: 0 0 var(--space-2);
}

.ui-nav__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.ui-nav__group-label {
  padding: 0 var(--space-5) var(--space-2);
  font-size: var(--font-xs);
  line-height: var(--font-xs-lh);
  font-weight: var(--font-xs-weight);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--on-surface-mute);
}

.ui-nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  height: var(--row-default);
  padding: 0 var(--space-5);
  color: var(--on-surface-dim);
  text-decoration: none;
  font-size: var(--font-md);
  font-weight: 500;
  border-left: 2px solid transparent;
  transition: background 80ms linear, color 80ms linear;
}
.ui-nav__link:hover {
  background: var(--surface);
  color: var(--on-surface);
}
.ui-nav__link.is-active,
.ui-nav__link[aria-current="page"] {
  background: var(--surface-highest);
  color: var(--on-surface);
  border-left-color: var(--primary-strong);
}
.ui-nav__link:focus-visible {
  outline: none;
  box-shadow: inset var(--focus-ring);
}

/* ---------- Attention strip (§7.22) ----------
 * Layout-only stack of hairline banners (§7.8 .ui-banner--hairline).
 * The banner carries severity, hover, focus, and link styling. This
 * container only handles spacing and the optional "+N more" footer. */
.ui-attention-strip {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* "+N more" footer when issues exceed the 6-row visible cap. Styled
 * as a quieter, neutral hairline so it reads as meta, not as another
 * issue. */
.ui-attention-strip__more {
  display: block;
  padding: var(--space-3) var(--space-5);
  border: 1px solid var(--outline);
  border-radius: var(--radius-2);
  background: var(--surface-low);
  color: var(--on-surface-dim);
  font-size: var(--font-sm);
  text-decoration: none;
  text-align: center;
  transition: background 80ms linear;
}
.ui-attention-strip__more:hover { background: var(--surface-container); color: var(--on-surface); }
.ui-attention-strip__more:focus-visible { outline: none; box-shadow: var(--focus-ring); }

/* ---------- Stat tile (§7.24) ----------
 * One number with a labeled state dot and a footnote — the datapage overview unit.
 * Structure from console-v2 health/overview; tokens are cmwc-v1 (promotion 2026-07-11).
 * A null value renders an em-dash in the absent style, never a fake zero. */
.stat-tile { padding: var(--space-4) var(--space-5); }
.stat-tile__label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-2xs);
  line-height: var(--font-2xs-lh);
  font-weight: var(--font-2xs-weight);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--on-surface-mute);
}
.stat-tile__value {
  margin-top: var(--space-2);
  font-family: var(--font-family-mono);
  font-size: var(--font-hero);
  line-height: var(--font-hero-lh);
  font-weight: var(--font-hero-weight);
  color: var(--on-surface);
  font-variant-numeric: tabular-nums;
}
.stat-tile__value--absent { color: var(--on-surface-mute); font-weight: 400; }
.stat-tile__unit {
  margin-left: var(--space-1);
  font-size: var(--font-xs);
  font-family: var(--font-family);
  font-weight: 400;
  color: var(--on-surface-mute);
}
.stat-tile__foot {
  margin-top: var(--space-1);
  font-size: var(--font-2xs);
  line-height: var(--font-2xs-lh);
  color: var(--on-surface-mute);
}
.stat-tile__foot .mono { font-family: var(--font-family-mono); }

/* ---------- Status card (§7.25) ----------
 * One feed section (lake / database / kb / sync / load): title + state chip + message +
 * key-value rows. Data shape = web/datapage/core/feed.py card model (state, variant, message).
 * Variant vocabulary matches feed._variant: success | warn | danger | info. */
.status-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.status-card__state {
  font-size: var(--font-2xs);
  line-height: var(--font-2xs-lh);
  font-weight: var(--font-2xs-weight);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-2);
  border: 1px solid var(--outline);
  color: var(--on-surface-mute);
}
.status-card__state--success { color: var(--success); border-color: var(--success); background: var(--success-surface); }
.status-card__state--warn    { color: var(--warn);    border-color: var(--warn);    background: var(--warn-surface); }
.status-card__state--danger  { color: var(--danger);  border-color: var(--danger);  background: var(--danger-surface); }
.status-card__state--info    { color: var(--info);    border-color: var(--info);    background: var(--info-surface); }
.status-card__message {
  margin-top: var(--space-3);
  font-size: var(--font-sm);
  line-height: var(--font-sm-lh);
  color: var(--on-surface-dim);
}
.status-card__message--absent { color: var(--on-surface-mute); }
.status-card__rows { margin-top: var(--space-3); }
.status-card__row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-1) 0;
  font-size: var(--font-sm);
  line-height: var(--font-sm-lh);
  border-bottom: 1px solid var(--outline-subtle);
}
.status-card__row:last-child { border-bottom: 0; }
.status-card__row-label { color: var(--on-surface-mute); }
.status-card__row-value {
  font-family: var(--font-family-mono);
  color: var(--on-surface);
  font-variant-numeric: tabular-nums;
  text-align: right;
  overflow-wrap: anywhere;
}

/* ---------- Data table states (§7.26) ----------
 * Empty/error rows for .ui-table compositions (the data_table macro): a table region
 * always renders data, a labeled absence, or an error notice — never blank. */
.ui-table__absent td {
  color: var(--on-surface-mute);
  font-style: italic;
  padding: var(--space-5);
  text-align: center;
}
.ui-table__error td {
  color: var(--danger);
  padding: var(--space-5);
  text-align: center;
}

/* ---------- Gauge card (§7.23) ----------
 * Discrepancy dial card: .ui-panel shell + CmwcCharts.discrepancyGauge + measured/
 * calculated readouts + delta pill + note footer. Promoted from the sandbox specimen
 * extracted-components/analysis-05-console/maple-grove-gauge-closure (2026-07-11).
 * Absent readings render as labeled absences — never a fake zero. */
.gauge-card__chart { height: 128px; }
.gauge-card__chart--absent {
  height: 128px;
  display: grid;
  place-items: center;
  color: var(--on-surface-mute);
  font-size: var(--font-sm);
  border: 1px dashed var(--outline);
  border-radius: var(--radius-2);
}
.gauge-card__readouts {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: var(--space-4);
  align-items: end;
  padding-top: var(--space-3);
}
.gauge-card__readout-label {
  display: block;
  margin-bottom: var(--space-1);
}
.gauge-card__value {
  font-family: var(--font-family-mono);
  font-size: var(--font-xl);
  line-height: var(--font-xl-lh);
  font-weight: 600;
  color: var(--on-surface);
  font-variant-numeric: tabular-nums;
}
.gauge-card__value--ok    { color: var(--success); }
.gauge-card__value--warn  { color: var(--warn); }
.gauge-card__value--error { color: var(--danger); }
.gauge-card__value--absent {
  color: var(--on-surface-mute);
  font-family: var(--font-family);
  font-size: var(--font-sm);
  line-height: var(--font-xl-lh); /* keep row height stable when absent */
  font-weight: 400;
}
.gauge-card__delta {
  border: 1px solid var(--outline);
  border-radius: var(--radius-2);
  padding: var(--space-2) var(--space-4);
  text-align: right;
  font-family: var(--font-family-mono);
  font-variant-numeric: tabular-nums;
}
.gauge-card__delta-value {
  display: block;
  font-size: var(--font-lg);
  font-weight: 600;
  color: var(--on-surface);
}
.gauge-card__delta--warn  { border-color: var(--warn); }
.gauge-card__delta--warn  .gauge-card__delta-value { color: var(--warn); }
.gauge-card__delta--error { border-color: var(--danger); }
.gauge-card__delta--error .gauge-card__delta-value { color: var(--danger); }
.gauge-card__note {
  color: var(--warn);
  font-size: var(--font-xs);
  line-height: var(--font-xs-lh);
}
.gauge-card__note--error { color: var(--danger); }

/* ---------- Page shell (§5) ----------
 * 200px fixed nav rail + main column, no max-width on the main column.
 * Sidebar uses the existing .ui-nav primitive (§7.13). */
.ui-app {
  display: grid;
  grid-template-columns: var(--nav-width) 1fr;
  min-height: 100vh;
}
.ui-app > .ui-nav {
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--outline);
}
.ui-main {
  min-width: 0;  /* lets table overflow scroll instead of busting the grid */
  padding: var(--page-pad-top) var(--page-pad-x) var(--page-pad-bot);
  background: var(--surface);
}

/* ---------- Grid (§5) ----------
 * 12-column grid with --space-5 gap. Children declare span via data-cols
 * (1–12). Used to arrange panels horizontally without raw CSS. */
.ui-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--grid-gap);
}
.ui-grid > [data-cols="1"]  { grid-column: span 1; }
.ui-grid > [data-cols="2"]  { grid-column: span 2; }
.ui-grid > [data-cols="3"]  { grid-column: span 3; }
.ui-grid > [data-cols="4"]  { grid-column: span 4; }
.ui-grid > [data-cols="5"]  { grid-column: span 5; }
.ui-grid > [data-cols="6"]  { grid-column: span 6; }
.ui-grid > [data-cols="7"]  { grid-column: span 7; }
.ui-grid > [data-cols="8"]  { grid-column: span 8; }
.ui-grid > [data-cols="9"]  { grid-column: span 9; }
.ui-grid > [data-cols="10"] { grid-column: span 10; }
.ui-grid > [data-cols="11"] { grid-column: span 11; }
.ui-grid > [data-cols="12"] { grid-column: span 12; }
@media (max-width: 900px) {
  .ui-app { grid-template-columns: 1fr; }
  .ui-app > .ui-nav { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--outline); }
  .ui-grid > [data-cols] { grid-column: span 12; }
}

/* ============================================================
 * ERD entity card + relationship dressing (§ erd)
 * Owner-approved 2026-07-12 — web/sandbox/library/erd-entity-card/VERDICT.md,
 * erd-fk-arrows/VERDICT.md. Promoted via promote-a-piece (order #685).
 * --erd-comp is PAGE DATA (curated categorical color, no token family exists
 * by design); absent → neutral fallback. Geometry couples to
 * web/datapage/model/erd.py constants: head 21px = 13lh + 2×space-2;
 * row 18px = 13lh + 2×space-1 + 1px border. Change together.
 * ============================================================ */

.erd-ent {
  background: var(--surface-low);
  border: 1px solid var(--outline);
  border-left: 3px solid var(--erd-comp, var(--on-surface-mute));
  border-radius: var(--radius-1);
  overflow: hidden;
}
.erd-ent__head {
  font-family: var(--font-family);
  font-size: var(--font-2xs);
  line-height: var(--font-2xs-lh);
  font-weight: 600;
  padding: var(--space-2) var(--space-3);
  background: var(--erd-comp, var(--surface-high));
  color: var(--surface-lowest);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.erd-ent table { width: 100%; border-collapse: collapse; }
.erd-ent td {
  font-family: var(--font-family);
  font-size: var(--font-2xs);
  line-height: var(--font-2xs-lh);
  padding: var(--space-1) var(--space-3);
  border-top: 1px solid var(--outline-subtle);
  color: var(--on-surface-dim);
}
.erd-ent__cn { color: var(--on-surface); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 0; width: 100%; }
.erd-ent__cn--absent { color: var(--on-surface-mute); font-style: italic; }
.erd-ent__ct { color: var(--on-surface-mute); text-align: right; white-space: nowrap; }
.erd-ent--view { border-style: dashed; border-left-style: solid; }
.erd-ent--view .erd-ent__head {
  background: transparent;
  color: var(--erd-comp, var(--on-surface-dim));
  border-bottom: 1px dashed var(--erd-comp, var(--outline));
  font-style: italic;
}
.erd-kb {
  display: inline-block;
  font-size: 8px;
  line-height: 12px;
  letter-spacing: .05em;
  border-radius: var(--radius-1);
  padding: 0 3px;
  margin-left: 5px;
  vertical-align: 1px;
}
.erd-kb--pk { color: var(--on-warn); background: var(--warn); }
.erd-kb--fk { color: var(--warn); border: 1px solid var(--warn); }
.erd-group__head {
  position: absolute;
  font-size: var(--font-md);
  line-height: var(--font-md-lh);
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-left: 3px solid var(--erd-comp, var(--on-surface-mute));
  color: var(--erd-comp, var(--on-surface-dim));
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.erd-seed {
  position: absolute;
  background: var(--warn-surface);
  border: 1px dashed var(--warn);
  border-radius: var(--radius-1);
  padding: var(--space-3);
}
.erd-seed__name { font-size: var(--font-xs); line-height: var(--font-xs-lh); font-weight: 600; color: var(--warn); }
.erd-seed__desc { font-size: var(--font-2xs); line-height: var(--font-2xs-lh); color: var(--on-surface-dim); margin-top: var(--space-1); }
.erd-edge { fill: none; stroke: currentColor; stroke-opacity: .55; stroke-width: 1.2; }
.erd-edge--uncurated { color: var(--on-surface-mute); }
.erd-edge--seed { color: var(--warn); stroke: var(--warn); stroke-opacity: .6; stroke-width: 1.4; stroke-dasharray: 6 4; }

/* Reusable ERD graph-canvas composition. The scroll owner prevents the absolute
 * server-computed canvas from widening the page body at narrow viewports. */
.erd-wrap { overflow-x: auto; }
.erd-canvas { position: relative; }
.erd-slot { position: absolute; }
.erd-edges {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: visible;
  color: var(--on-surface-mute);
}
.erd-legend {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}
.erd-legend__chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  border: 1px solid var(--outline);
  border-radius: var(--radius-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-xs);
  line-height: var(--font-xs-lh);
  color: var(--on-surface-dim);
}
.erd-legend__swatch { width: 10px; height: 10px; border-radius: var(--radius-1); display: inline-block; }
.erd-legend__swatch--uncurated { background: var(--on-surface-mute); }
.erd-note { font-size: var(--font-sm); line-height: var(--font-sm-lh); color: var(--on-surface-mute); margin: 0 0 var(--space-4); }