/*
 * Athena Care → Web Awesome bridge
 * Royal, Adobe, Cumberland, Sage ramps plus warm Ivory/Slate neutrals.
 * Load after: themes/default.css, native.css, utilities.css
 *
 * Includes: semantic tokens, layout aliases, wa-page.shell typography,
 * reusable doc/layout utilities (ac-doc-*, ac-section, ac-row, ac-demo-*,
 * shell-*), and data-pattern styles (ac-empty-state, ac-data-grid__bulk,
 * ac-field-error, ac-form-actions).
 */

:root {
  /* Royal (primary)*/
  --ac-royal-10: #1a0e28;
  --ac-royal-20: #2c1640;
  --ac-royal-30: #4f256a;
  --ac-royal-40: #713495;
  --ac-royal-50: #9443bf;
  --ac-royal-60: #a866cb;
  --ac-royal-70: #bc89d7;
  --ac-royal-80: #cface3;
  --ac-royal-90: #e3cfef;
  --ac-royal-95: #f7f2fb;

  /* Adobe (secondary) */
  --ac-adobe-10: #180b07;
  --ac-adobe-20: #352926;
  --ac-adobe-30: #401e13;
  --ac-adobe-40: #713922;
  --ac-adobe-50: #a35432;
  --ac-adobe-60: #c07852;
  --ac-adobe-70: #d39874;
  --ac-adobe-80: #e5ba9c;
  --ac-adobe-90: #f3dcc8;
  --ac-adobe-95: #faf1ea;

  /* Cumberland (secondary) — 30 & 50 anchored; 10–20 toward ink; 40 midpoint; 60–80 linear Δ(15,19,9); 80→90→95 use same +Δ as Royal light end (+20,+35,+12 per step, incl. 90→95) */
  --ac-cumberland-10: #040805;
  --ac-cumberland-20: #081009;
  --ac-cumberland-30: #0d1a0e;
  --ac-cumberland-40: #1c2d17;
  --ac-cumberland-50: #2b4020;
  --ac-cumberland-60: #3a5329;
  --ac-cumberland-70: #496632;
  --ac-cumberland-80: #58793b;
  --ac-cumberland-90: #6c9c47;
  --ac-cumberland-95: #80bf53;
  
  /* Sage (secondary accent) */
  --ac-sage-10: #374b3f;
  --ac-sage-20: #4e6152;
  --ac-sage-30: #657765;
  --ac-sage-40: #7c8d78;
  --ac-sage-50: #93a38b;
  --ac-sage-60: #b0bda8;
  --ac-sage-70: #ccd8c6;
  --ac-sage-80: #e9f2e3;
  --ac-sage-90: #f2f7ee;
  --ac-sage-95: #f8fbf5;
  --ac-sage-wash: var(--ac-sage-80);

  /* Summit (secondary) */
  --ac-summit-10: #050a0c;
  --ac-summit-20: #1b2326;
  --ac-summit-30: #313c40;
  --ac-summit-40: #475459;
  --ac-summit-50: #5d6d73;
  --ac-summit-60: #76868d;
  --ac-summit-70: #899fa7;
  --ac-summit-80: #9fb8c1;
  --ac-summit-90: #b5d1db;
  --ac-summit-95: #e3ebef;

  /* Warm neutrals (Ivory / Slate family) */
    /* Warm Neutrals — carried from snglst, unchanged */
    --ac-slate-dark:   #191919;
    --ac-slate:        #262625;
    --ac-slate-light:  #40403E;
    --ac-cloud-dark:   #666663;
    --ac-cloud:        #91918D;
    --ac-cloud-light:  #BFBFBA;
  --ac-ivory-dark:   #E5E4DF;
  --ac-ivory:        #F0F0EB;
  --ac-ivory-light:  #FAFAF7;

  /*
   * Web Awesome gray scale → Athena warm neutrals.
   * --wa-color-neutral-* aliases this ramp (see WA color/variants/neutral.css), so
   * variant="neutral" buttons, borders, and fills pick up ivory/slate/cloud instead of cool gray.
   */
  --wa-color-gray-05: var(--ac-slate-dark);
  --wa-color-gray-10: var(--ac-slate-dark);
  --wa-color-gray-20: var(--ac-slate);
  --wa-color-gray-30: var(--ac-slate-light);
  --wa-color-gray-40: var(--ac-cloud-dark);
  --wa-color-gray-50: color-mix(in srgb, var(--ac-cloud-dark) 38%, var(--ac-cloud) 62%);
  --wa-color-gray-60: var(--ac-cloud);
  --wa-color-gray-70: var(--ac-cloud-light);
  --wa-color-gray-80: var(--ac-ivory-dark);
  --wa-color-gray-90: var(--ac-ivory);
  --wa-color-gray-95: var(--ac-ivory-light);
  --wa-color-gray: var(--wa-color-gray-40);
  --wa-color-gray-key: 40;

  /* Brand.css semantic */
  --ac-success: #256a2e;
  --ac-warning: #bd9520;
  --ac-danger: #9e2424;

  /* App font stacks (shell sets --shell-font-* on wa-page) */
  --ac-font-sans: 'IBM Plex Sans', system-ui, sans-serif;
  --ac-font-mono: 'IBM Plex Mono', ui-monospace, monospace;
  --ac-font-condensed: 'IBM Plex Sans Condensed', var(--ac-font-sans);

  /* Success scale anchored to brand guide */
  --wa-color-success-10: #0f2914;
  --wa-color-success-20: #1a4520;
  --wa-color-success-30: #1d5526;
  --wa-color-success-40: var(--ac-success);
  --wa-color-success-50: #3d8a49;
  --wa-color-success-60: #56a562;
  --wa-color-success-70: #7bc085;
  --wa-color-success-80: #a8d6ae;
  --wa-color-success-90: #d8eedb;
  --wa-color-success-95: #eef7ef;

  --wa-color-warning-40: var(--ac-warning);
  --wa-color-danger-40: var(--ac-danger);
}

/*
 * Active highlight ramp → Web Awesome --wa-color-brand-*.
 * Switch with html[data-ac-brand="royal"|"adobe"|"cumberland"] (localStorage + app menu).
 */
html {
  --ac-brand-05: #100818;
  --ac-brand-10: var(--ac-royal-10);
  --ac-brand-20: var(--ac-royal-20);
  --ac-brand-30: var(--ac-royal-30);
  --ac-brand-40: var(--ac-royal-40);
  --ac-brand-50: var(--ac-royal-50);
  --ac-brand-60: var(--ac-royal-60);
  --ac-brand-70: var(--ac-royal-70);
  --ac-brand-80: var(--ac-royal-80);
  --ac-brand-90: var(--ac-royal-90);
  --ac-brand-95: var(--ac-royal-95);

  --wa-color-brand-05: var(--ac-brand-05);
  --wa-color-brand-10: var(--ac-brand-10);
  --wa-color-brand-20: var(--ac-brand-20);
  --wa-color-brand-30: var(--ac-brand-30);
  --wa-color-brand-40: var(--ac-brand-40);
  --wa-color-brand-50: var(--ac-brand-50);
  --wa-color-brand-60: var(--ac-brand-60);
  --wa-color-brand-70: var(--ac-brand-70);
  --wa-color-brand-80: var(--ac-brand-80);
  --wa-color-brand-90: var(--ac-brand-90);
  --wa-color-brand-95: var(--ac-brand-95);

  /*
   * Root font-size drives rem everywhere (body via --wa-font-size-m, shell headings, spacing).
   * Keep scale at 1 so we don’t double-apply vs html font-size (data-ui-size).
   */
  font-size: 100%;
  --wa-font-size-scale: 1;
}

html[data-ac-brand="adobe"] {
  --ac-brand-05: #0c0604;
  --ac-brand-10: var(--ac-adobe-10);
  --ac-brand-20: var(--ac-adobe-20);
  --ac-brand-30: var(--ac-adobe-30);
  --ac-brand-40: var(--ac-adobe-40);
  --ac-brand-50: var(--ac-adobe-50);
  --ac-brand-60: var(--ac-adobe-60);
  --ac-brand-70: var(--ac-adobe-70);
  --ac-brand-80: var(--ac-adobe-80);
  --ac-brand-90: var(--ac-adobe-90);
  --ac-brand-95: var(--ac-adobe-95);
}

html[data-ac-brand="cumberland"] {
  --ac-brand-05: #020403;
  --ac-brand-10: var(--ac-cumberland-10);
  --ac-brand-20: var(--ac-cumberland-20);
  --ac-brand-30: var(--ac-cumberland-30);
  --ac-brand-40: var(--ac-cumberland-40);
  --ac-brand-50: var(--ac-cumberland-50);
  --ac-brand-60: var(--ac-cumberland-60);
  --ac-brand-70: var(--ac-cumberland-70);
  --ac-brand-80: var(--ac-cumberland-80);
  --ac-brand-90: var(--ac-cumberland-90);
  --ac-brand-95: var(--ac-cumberland-95);
}

html[data-ui-size="small"] {
  font-size: 87.5%;
}

html[data-ui-size="large"] {
  font-size: 112.5%;
}

/* Light UI (no wa-dark on <html>) */
html:not(.wa-dark) {
  --wa-color-surface-default: var(--ac-ivory);
  --wa-color-surface-lowered: var(--ac-ivory-dark);
  --wa-color-surface-raised: var(--ac-ivory-light);
  --wa-color-text-normal: var(--ac-slate-dark);
  --wa-color-text-quiet: var(--ac-cloud-dark);
  --wa-color-text-link: var(--ac-brand-30);
  --wa-color-focus: var(--ac-brand-40);
  --headline-color: var(--ac-brand-40);
}

/* Dark UI — surfaces & type only; highlight ramp follows data-ac-brand */
html.wa-dark {
  --wa-color-surface-default: var(--ac-slate);
  --wa-color-surface-lowered: var(--ac-slate-dark);
  --wa-color-surface-raised: var(--ac-slate-light);
  --wa-color-text-normal: var(--ac-ivory-light);
  --wa-color-text-quiet: var(--ac-cloud-dark);
  --wa-color-text-link: var(--ac-brand-60);
  --wa-color-focus: var(--ac-brand-50);
  --headline-color: var(--ac-brand-50);
}

/* Layout aliases — map to Web Awesome themed tokens */
html {
  --bg: var(--wa-color-surface-default);
  --text: var(--wa-color-text-normal);
  --text-muted: var(--wa-color-text-quiet);
  --surface: var(--wa-color-surface-raised);
  --well: var(--wa-color-surface-lowered);
  --border: var(--wa-color-neutral-80);
  --border-mid: var(--wa-color-neutral-70);
  /* Outlined neutral buttons use border-loud; match form-control outline (border-mid / neutral-70). */
  --wa-color-neutral-border-loud: var(--border-mid);
  --accent: var(--wa-color-brand-50);
  --warn: var(--wa-color-warning-50);
  --radius: var(--wa-border-radius-m);
  --font: var(--ac-font-sans);
  --font-mono: var(--ac-font-mono);

  /* Form fields: same fill as page base (not surface-lowered / “well”) */
  --wa-form-control-background-color: var(--wa-color-surface-default);
  --wa-form-control-border-color: var(--border-mid);
  --wa-form-control-activated-color: var(--accent);
  --wa-form-control-value-color: var(--text);
  --wa-form-control-placeholder-color: var(--text-muted);
}

/* --- wa-page.shell: type scale (h1 headline … h4 label) --- */
wa-page.shell {
  --shell-font-sans: var(--ac-font-sans);
  --shell-font-heading: 'Work Sans', system-ui, sans-serif;
  --shell-font-serif: 'IBM Plex Serif', Georgia, 'Times New Roman', serif;
  --shell-font-condensed: var(--ac-font-condensed);
  font-family: var(--shell-font-sans);
}

wa-page.shell h1 {
  font-family: "Playfair Display", var(--shell-font-serif), serif;
  font-size: clamp(2rem, 2rem + 0.75vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin: 0;
  color: var(--headline-color);
}

wa-page.shell h2 {
  font-family: var(--shell-font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0;
  margin-bottom: 0.5rem;
  color: var(--text);
}

wa-page.shell h3 {
  font-family: var(--shell-font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.28;
  margin: 0;
  color: var(--text);
}

wa-page.shell h4 {
  font-family: var(--shell-font-condensed);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0;
  color: var(--text-muted);
}

.shell-header-bar {
  align-items: center;
  width: 100%;
  flex-wrap: wrap;
}

.shell-brand-link {
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.shell-header-spacer {
  flex: 1;
  min-width: 0.5rem;
}

.shell-product {
  font-family: var(--shell-font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ac-sage-40, #728774);
}

wa-page.shell [slot='navigation'] {
  padding-top: var(--wa-space-s);
}

wa-page[view='desktop'] .shell-nav-heading {
  font-family: var(--shell-font-heading);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.72;
  margin: 0 0 var(--wa-space-2xs);
}

.shell-nav-heading--group {
  margin-top: var(--wa-space-m);
}

.shell-logo-light,
.shell-logo-dark {
  display: block;
  height: 1.75rem;
  width: auto;
}

html:not(.wa-dark) .shell-logo-dark {
  display: none;
}

html.wa-dark .shell-logo-light {
  display: none;
}

.shell-page-hero {
  margin-bottom: 1.25rem;
}

.shell-subtle {
  font-family: var(--shell-font-serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ac-brand-20, #2c1640);
}

html.wa-dark .shell-subtle {
  color: var(--ac-brand-70, #d6afea);
}

/* Shell drawer sidebar links: globals use neutral-90 hover — on dark UI that reads as a near-white slab */
html.wa-dark wa-page.shell .shell-sidebar-link:hover,
html.wa-dark .shell-sidebar-link:hover {
  background: var(--wa-color-surface-lowered);
}

html.wa-dark wa-page.shell .shell-sidebar-link[aria-current="page"],
html.wa-dark .shell-sidebar-link[aria-current="page"] {
  background: color-mix(
    in srgb,
    var(--wa-color-brand-50) 28%,
    var(--wa-color-surface-default)
  );
}

.shell-hero-tagline {
  margin: 0.35rem 0 0;
}

.shell-nav-action {
  justify-content: flex-start;
}

.shell-app-menu-panel {
  padding: var(--wa-space-s);
  min-width: 11.25rem;
}

.shell-app-menu wa-select {
  min-width: 9rem;
  width: 100%;
}

.shell-app-menu-events {
  width: 100%;
}

/* Primary content — default slot of wa-page.shell (semantic main + inset) */
wa-page.shell > main.shell-main {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  margin: 0;
  padding: var(--wa-space-m) var(--wa-space-l);
  padding-block-end: var(--wa-space-xl);
}

@media (max-width: 47.99rem) {
  wa-page.shell > main.shell-main {
    padding-inline: var(--wa-space-m);
  }
}

/*
 * Reference / template utilities (athena-app-shell & internal tools)
 * — ac-section, ac-row, ac-grid-2: page structure
 * — ac-doc-*: documentation prose (notes, captions, type specimens, code sample)
 * — ac-field-label, ac-icon-*: small patterns
 * — ac-demo-*: gallery-only sizing/wrappers
 * — ac-events-*: event log drawer
 */
wa-page.shell .catalog-tab-group {
  width: 100%;
}

.ac-section {
  margin-bottom: 2rem;
}

.ac-section > h2 {
  margin: 0 0 0.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 0.0625rem solid var(--border-mid);
}

.catalog .ac-section h3 {
  margin: 1.25rem 0 0.5rem;
}

.catalog .ac-section h3:first-of-type {
  margin-top: 1rem;
}

.catalog .ac-section h4 {
  margin: 1rem 0 0.35rem;
}

.catalog .ac-section:last-child {
  margin-bottom: 0;
}

.ac-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

.ac-row--align-start {
  align-items: flex-start;
}

.ac-row--align-end {
  align-items: flex-end;
}

.ac-row--center-gap {
  align-items: center;
  gap: 1rem;
}

.ac-row--baseline-wrap {
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: baseline;
}

.ac-row--copy-qr {
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.ac-row--icons {
  gap: 0.75rem;
  font-size: 1.25rem;
  color: var(--text-muted);
}

.ac-icon-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(7.5rem, 1fr));
  gap: 0.75rem;
  max-width: 44rem;
}

.ac-icon-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.375rem;
  padding: 0.75rem 0.5rem;
  border: 0.0625rem solid var(--border-mid);
  border-radius: var(--radius);
  text-align: center;
  background: var(--well);
}

.ac-icon-tile code {
  font-size: 0.6875rem;
  line-height: 1.3;
  word-break: break-word;
}

.ac-icon-tile__hint {
  font-size: 0.6875rem;
  line-height: 1.3;
  color: var(--text-muted);
}

.ac-icon-semantic {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: var(--text);
}

.ac-icon-scale {
  align-items: flex-end;
  flex-wrap: wrap;
}

.ac-icon-scale-label {
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.ac-row--tight {
  gap: 0.5rem;
  align-items: center;
}

.ac-row--breadcrumb-gap {
  margin-top: 0.75rem;
}

.ac-doc-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0 0 1rem;
  max-width: 52rem;
}

.ac-doc-note--tight-top {
  margin-top: 0;
}

.ac-doc-note--tight-bottom {
  margin-bottom: 0.5rem;
}

.ac-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(12.5rem, 1fr));
  gap: 0.75rem;
  align-items: start;
}

wa-tab-panel[active] .ac-tabbed {
  padding-top: 0.75rem;
}

.ac-demo-carousel wa-carousel-item.ac-demo-carousel-slide {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--well);
  color: var(--text-muted);
  font-weight: 600;
}

.ac-demo-carousel {
  max-width: min(20rem, 100%);
  --aspect-ratio: 4 / 3;
}

.ac-demo-chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17.5rem, 1fr));
  gap: 1.25rem;
  align-items: start;
}

.ac-demo-chart {
  display: block;
  width: 100%;
  height: 16.25rem;
}

.ac-demo-spark-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
}

.ac-demo-spark-row wa-sparkline {
  flex: 1 1 12.5rem;
  max-width: 17.5rem;
}

.ac-demo-sparkline {
  height: 2rem;
  color: var(--accent);
}

.ac-data-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 100%;
}

.ac-data-grid__toolbar {
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
}

.ac-data-grid__meta {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.ac-data-grid__page-size {
  min-width: 10rem;
}

.ac-data-grid__scroll {
  overflow-x: auto;
  border: 0.0625rem solid var(--border-mid);
  border-radius: var(--radius);
  background: var(--wa-color-surface-raised);
}

.ac-data-grid__table {
  table-layout: fixed;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.ac-data-grid__table tbody {
  font-family: var(--font-mono), ui-monospace, monospace;
}

.ac-data-grid__table thead {
  background: var(--well);
}

.ac-data-grid__th {
  position: relative;
}

.ac-data-grid__table th,
.ac-data-grid__table td {
  text-align: left;
  border-bottom: 0.0625rem solid var(--border-mid);
  color: var(--text);
  vertical-align: middle;
}

.ac-data-grid__table td {
  padding: 0.5rem 0.75rem;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ac-data-grid__table th {
  padding: 0.3125rem 0.625rem 0.3125rem 0.5rem;
  font-weight: 600;
  white-space: nowrap;
}

.ac-data-grid__resize {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 1;
  box-sizing: content-box;
  width: 0.5rem;
  height: 100%;
  padding: 0;
  margin: 0;
  border: none;
  border-radius: 0;
  border-left: 0.0625rem solid var(--border-mid);
  background: transparent;
  cursor: col-resize;
  touch-action: none;
}

.ac-data-grid__resize:hover {
  background: color-mix(in srgb, var(--wa-color-brand-50) 28%, transparent);
}

.ac-data-grid__resize:focus-visible {
  outline: 0.125rem solid var(--wa-color-brand-50);
  outline-offset: -0.0625rem;
}

.ac-data-grid__table tbody tr:last-child td {
  border-bottom: none;
}

.ac-data-grid__sort {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  width: 100%;
  padding: 0;
  margin: 0;
  border: none;
  background: none;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
  border-radius: var(--wa-border-radius-s);
}

.ac-data-grid__sort:hover {
  color: var(--wa-color-brand-50);
}

.ac-data-grid__sort wa-icon {
  flex-shrink: 0;
  opacity: 0.65;
}

.ac-data-grid__sort:hover wa-icon {
  opacity: 1;
}

.ac-data-grid__pager {
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.ac-data-grid__page-indicator {
  font-size: 0.875rem;
  color: var(--text-muted);
  min-width: 4rem;
  text-align: center;
}

.ac-demo-anim {
  display: inline-block;
  width: 4.5rem;
  height: 4.5rem;
  background: var(--wa-color-brand-50);
  border-radius: var(--wa-border-radius-m);
  margin: 0.5rem 1rem 0.5rem 0;
}

#ux-intersection-demo {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: 13.75rem;
  border: solid 0.125rem var(--wa-color-surface-border);
  padding: 0.75rem;
  overflow-y: auto;
  border-radius: var(--radius);
}

#ux-intersection-demo::before,
#ux-intersection-demo::after {
  content: '';
  height: 7.5rem;
  flex-shrink: 0;
}

.ac-demo-intersection-target {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  background: var(--well);
  border-radius: var(--radius);
}

.ac-demo-intersection-target.visible {
  outline: 0.125rem solid var(--accent);
}

.ac-demo-resize-target {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem 1.5rem;
  border: solid 0.125rem var(--wa-color-surface-border);
  border-radius: var(--radius);
  resize: both;
  overflow: auto;
  min-width: 7.5rem;
  min-height: 5rem;
  max-width: 100%;
}

.ac-demo-page-frame {
  height: 26.25rem;
  border: 0.0625rem solid var(--border-mid);
  border-radius: var(--radius);
  overflow: auto;
}

.ac-demo-page-frame wa-page {
  min-height: 23.75rem;
}

.ac-demo-nested-header {
  align-items: center;
}

.ac-demo-nested-title {
  font-size: 0.9rem;
}

.ac-demo-nested-main {
  margin: 0;
}

/* Event drawer */
.ac-events-drawer {
  --size: min(100vw - 2rem, 22rem);
}

.ac-events-drawer .ac-event-panel {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-height: 0;
  height: 100%;
  font-size: 0.875rem;
}

.ac-events-drawer .ac-event-meta {
  margin: 0;
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.ac-events-drawer .ac-event-panel ol {
  flex: 1 1 auto;
  overflow: auto;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono), ui-monospace, monospace;
  font-size: 0.6875rem;
  line-height: 1.45;
  min-height: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border-mid) transparent;
}

.ac-events-drawer .ac-event-panel ol::-webkit-scrollbar {
  width: 0.375rem;
  height: 0.375rem;
}

.ac-events-drawer .ac-event-panel ol::-webkit-scrollbar-track {
  background: transparent;
}

.ac-events-drawer .ac-event-panel ol::-webkit-scrollbar-thumb {
  background-color: var(--border-mid);
  border-radius: 0.1875rem;
}

.ac-events-drawer .ac-event-panel ol::-webkit-scrollbar-thumb:hover {
  background-color: var(--text-muted);
}

.ac-events-drawer .ac-event-panel li {
  padding: 0.25rem 0;
  border-bottom: 0.0625rem solid var(--border);
  word-break: break-word;
}

.ac-events-drawer .ac-event-panel .ev-type {
  color: var(--accent);
  font-weight: 600;
}

.ac-events-drawer .ac-event-panel .ev-tag {
  color: var(--text-muted);
}

.ac-events-drawer .ac-events-footer.wa-cluster {
  width: 100%;
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* Documentation typography — reuse on any internal doc page */
.ac-doc-kicker {
  font-family: var(--shell-font-heading);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 0.35rem;
}

.ac-doc-kicker:not(:first-child) {
  margin-top: 1.25rem;
}

.ac-doc-p {
  font-family: var(--shell-font-sans);
  font-size: 1rem;
  line-height: 1.55;
  margin: 0;
  max-width: 40rem;
  color: var(--text);
}

.ac-doc-aside {
  font-size: 0.8125rem;
  max-width: 52rem;
  color: var(--text-muted);
  margin: 0 0 0.35rem;
}

.ac-doc-aside--lead {
  margin-bottom: 0;
}

.ac-doc-aside--follow {
  margin: 0.35rem 0 0.35rem;
}

.ac-doc-display {
  font-family: var(--shell-font-serif);
  font-size: 1.125rem;
  font-style: italic;
  font-weight: 400;
  margin: 0;
  color: var(--ac-brand-20, #2c1640);
}

html.wa-dark .ac-doc-display {
  color: var(--ac-brand-70, #d6afea);
}

.ac-doc-sample {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  margin: 0;
  padding: 0.5rem 0.65rem;
  background: var(--well);
  border-radius: var(--radius);
  border: 0.0625rem solid var(--border-mid);
  color: var(--text);
}

.ac-token-name {
  color: var(--accent);
}

/* Captions (demo subheads) & form helpers */
.ac-doc-caption {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.ac-doc-caption--after {
  margin: 0.75rem 0 0.35rem;
}

.ac-doc-caption--section {
  margin: 1rem 0 0.35rem;
}

.ac-doc-caption--tight-top {
  margin-top: 0;
}

.ac-doc-caption--file {
  margin: 0.85rem 0 0.35rem;
}

.ac-field-label {
  display: block;
  font-size: 0.75rem;
  margin-bottom: 0.25rem;
  color: var(--text-muted);
}

.ac-doc-block {
  margin: 0 0 1rem;
}

.ac-demo-popover-body {
  margin: 0;
  padding: 0.25rem;
}

.ac-details-spaced {
  margin-top: 0.75rem;
}

.ac-demo-progress {
  width: min(15rem, 100%);
}

.ac-demo-slider {
  max-width: 17.5rem;
}

.ac-demo-narrow-stack {
  max-width: 17.5rem;
}

.ac-demo-skel-line {
  width: 100%;
  height: 0.75rem;
  display: block;
}

.ac-demo-skel-line--92 {
  width: 92%;
  height: 0.75rem;
  display: block;
}

.ac-demo-skel-line--64 {
  width: 64%;
  height: 0.75rem;
  display: block;
}

.ac-demo-skel-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: block;
}

.ac-demo-skel-block {
  width: 5rem;
  height: 2.5rem;
  display: block;
}

.ac-demo-scroller {
  height: 5.5rem;
  max-width: 17.5rem;
  border: 0.0625rem solid var(--border-mid);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
}

.ac-demo-scroller p {
  margin: 0 0 0.5rem;
}

.ac-demo-scroller p:last-child {
  margin-bottom: 0;
}

.ac-icon-accent {
  color: var(--accent);
}

.ac-icon-warn {
  color: var(--warn);
}

.ac-icon-danger {
  color: var(--ac-danger);
}

.ac-demo-tree {
  --indent-guide-width: 0.0625rem;
  max-width: 20rem;
}

.ac-demo-animated-image {
  width: 7.5rem;
  height: auto;
}

.ac-demo-comparison {
  max-width: min(22.5rem, 100%);
}

.ac-demo-compare-before,
.ac-demo-compare-after {
  height: 8.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.ac-demo-compare-before {
  background: var(--wa-color-neutral-80);
}

.ac-demo-compare-after {
  background: var(--wa-color-brand-80);
}

.ac-demo-split {
  max-width: 26.25rem;
}

.ac-demo-split-pane {
  min-height: 7.5rem;
  background: var(--well);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ac-demo-zoom-frame {
  max-width: 22.5rem;
  aspect-ratio: 16 / 9;
}

/*
 * Web Awesome — compact control sizing & menus (adapted from examples/respite/styles.css).
 * Only geometry / typography / non-palette behavior; Royal & surfaces stay on Athena tokens above.
 */

/* Buttons — tighter heights & inline padding than WA kit defaults */
wa-button[size='small'] {
  --height: 1.625rem;
  --padding-inline: 0.35rem;
}
wa-button[size='medium'] {
  --height: 2.125rem;
  --padding-inline: 0.625rem;
}
wa-button[size='large'] {
  --height: 2.75rem;
  --padding-inline: 0.75rem;
}

wa-button[size='small']::part(base) {
  height: 1.625rem;
  min-height: 0;
  padding-inline: 0.35rem;
}
wa-button[size='medium']::part(base) {
  height: 2.125rem;
  min-height: 0;
  padding-inline: 0.625rem;
}
wa-button[size='large']::part(base) {
  height: 2.75rem;
  min-height: 0;
  padding-inline: 0.75rem;
}

/* Inputs — small chrome */
wa-input[size='small'] {
  --height: 1.625rem;
  --padding-inline: 0.5rem;
}
wa-input[size='small']::part(base) {
  min-height: 0;
  padding-inline: 0.5rem;
}

/* Select — taller combobox than wa-input small so label/value/caret keep vertical padding */
wa-select[size='small'] {
  --height: 2.125rem;
  --padding-inline: 0.5rem;
  --wa-form-control-height: 2.125rem;
  --wa-form-control-padding-inline: 0.5rem;
}
wa-select[size='small']::part(combobox) {
  padding-inline: 0.5rem;
}

/* Combobox — match small select */
wa-combobox[size='small'] {
  --height: 2.125rem;
  --padding-inline: 0.5rem;
  --wa-form-control-height: 2.125rem;
  --wa-form-control-padding-inline: 0.5rem;
}
wa-combobox[size='small']::part(combobox) {
  padding-inline: 0.5rem;
}

/* Textarea */
wa-textarea[size='small'] {
  --height: auto;
  --padding-inline: 0.5rem;
}
wa-textarea[size='small']::part(base) {
  min-height: 0;
  padding-inline: 0.5rem;
}

/* Rating — active star follows accent */
wa-rating {
  --symbol-color-active: var(--accent);
  --symbol-color: var(--text-muted);
}

/* Radio (incl. appearance="button") */
wa-radio[size='small'],
wa-radio-group[size='small'] wa-radio {
  --height: 1.625rem;
  --wa-form-control-height: 1.625rem;
  --padding-inline: 0.25rem;
  --wa-form-control-padding-inline: 0.25rem;
}
wa-radio[size='medium'],
wa-radio-group[size='medium'] wa-radio {
  --height: 2.125rem;
  --wa-form-control-height: 2.125rem;
  --padding-inline: 0.35rem;
  --wa-form-control-padding-inline: 0.35rem;
}
wa-radio[size='large'],
wa-radio-group[size='large'] wa-radio {
  --height: 2.75rem;
  --wa-form-control-height: 2.75rem;
  --padding-inline: 0.5rem;
  --wa-form-control-padding-inline: 0.5rem;
}

wa-radio[appearance='button'][size='small'],
wa-radio-group[size='small'] wa-radio[appearance='button'],
wa-radio[appearance='button'][size='medium'],
wa-radio-group[size='medium'] wa-radio[appearance='button'],
wa-radio[appearance='button'][size='large'],
wa-radio-group[size='large'] wa-radio[appearance='button'] {
  min-height: 0 !important;
  height: var(--wa-form-control-height) !important;
  padding-inline: var(--wa-form-control-padding-inline) !important;
}

wa-radio-group[size='small']::part(form-control-input),
wa-radio-group[size='medium']::part(form-control-input),
wa-radio-group[size='large']::part(form-control-input) {
  min-height: 0;
}

/* Plex Sans Condensed — structural / nav-style controls */
wa-radio-group,
wa-tab-group,
wa-details,
wa-breadcrumb,
wa-tree {
  font-family: var(--ac-font-condensed);
}

/* Dropdowns, selects, comboboxes — listbox/menu follow app surface tokens */
wa-dropdown,
wa-dropdown::part(menu),
wa-select,
wa-combobox {
  --wa-color-brand-fill-quiet: color-mix(in srgb, var(--accent) 22%, var(--bg));
  --wa-color-neutral-fill-normal: color-mix(in srgb, var(--accent) 22%, var(--bg));
}

wa-select,
wa-combobox {
  --wa-color-surface-raised: var(--bg) !important;
  --wa-color-surface-default: var(--bg) !important;
  --wa-color-surface-lowered: var(--bg) !important;
  --wa-color-surface-border: var(--border) !important;
}

wa-dropdown::part(menu) {
  background: var(--bg);
  background-color: var(--bg);
  color: var(--text);
  border-color: var(--border);
}

wa-select::part(listbox),
wa-combobox::part(listbox) {
  background: var(--bg) !important;
  background-color: var(--bg) !important;
  color: var(--text);
  border-color: var(--border);
}

html.wa-dark wa-dropdown,
html.wa-dark wa-dropdown-item,
html.wa-dark wa-select,
html.wa-dark wa-combobox,
html.wa-dark wa-option {
  --wa-color-brand-fill-quiet: color-mix(in srgb, var(--accent) 22%, var(--bg));
  --wa-color-neutral-fill-normal: color-mix(in srgb, var(--accent) 22%, var(--bg));
  --wa-color-neutral-fill-quiet: color-mix(in srgb, var(--accent) 22%, var(--bg));
}

/* --- Data patterns ---------------------------------------------------
 * Live demos in athena-app-shell.html sec-table-patterns / sec-form-patterns /
 * sec-empty-states. Full conventions: skills/data-patterns/references/
 */

.ac-empty-state {
  display: grid;
  gap: var(--wa-space-m);
  justify-items: center;
  text-align: center;
  padding: var(--wa-space-2xl) var(--wa-space-l);
  color: var(--wa-color-text-quiet);
}
.ac-empty-state__icon {
  font-size: 2.5rem;
  color: var(--wa-color-text-quiet);
}
.ac-empty-state h3 { margin: 0; }
.ac-empty-state p  { margin: 0; max-width: 44ch; }

.ac-state-grid {
  display: grid;
  gap: var(--wa-space-m);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.ac-empty-state--card {
  background: var(--wa-color-surface-raised, var(--wa-color-surface-default));
  border: 1px solid var(--wa-color-surface-border, var(--wa-color-neutral-80));
  border-radius: var(--wa-border-radius-m, 6px);
  padding: var(--wa-space-l);
}
.ac-state-error { margin-bottom: var(--wa-space-m); }

/* Bulk-action strip */
.ac-data-grid__bulk {
  display: flex;
  align-items: center;
  gap: var(--wa-space-s);
  padding: var(--wa-space-s) var(--wa-space-m);
  margin-bottom: var(--wa-space-s);
  background: var(--wa-color-brand-fill-quiet);
  border: 1px solid var(--wa-color-brand-border-quiet, var(--wa-color-brand-fill-normal));
  border-radius: var(--wa-border-radius-s, 4px);
}
.ac-data-grid__bulk-count { font-weight: 600; margin-right: auto; }

/* Selected row + select cells */
.ac-data-grid tr.is-selected > td {
  background: var(--wa-color-brand-fill-quiet);
}
.ac-data-grid__th--select,
.ac-data-grid__td--select {
  width: 2.25rem;
  padding-inline: var(--wa-space-s);
  text-align: center;
}

/* Column picker panel inside wa-dropdown */
.ac-data-grid__columns-panel {
  padding: var(--wa-space-s) var(--wa-space-m);
  min-width: 12rem;
}

/* Inline-edit cell */
.ac-data-grid__edit-cell { display: block; }
.ac-data-grid__edit-trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--wa-space-2xs);
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  text-align: left;
}
.ac-data-grid__edit-trigger:hover .ac-data-grid__edit-icon,
.ac-data-grid__edit-trigger:focus-visible .ac-data-grid__edit-icon {
  opacity: 1;
}
.ac-data-grid__edit-icon {
  opacity: 0;
  font-size: 0.75em;
  color: var(--wa-color-text-quiet);
  transition: opacity 120ms ease;
}
.ac-data-grid__edit-trigger:focus-visible {
  outline: 2px solid var(--wa-color-brand-border-loud, var(--wa-color-brand-fill-loud));
  outline-offset: 2px;
  border-radius: 2px;
}

/* Search input in toolbar grows to fill */
.ac-data-grid__search { flex: 1 1 16rem; min-width: 10rem; }

/* Form pattern demo */
.ac-pattern-form {
  max-width: 44rem;
}
.ac-form-header {
  align-items: baseline;
}
.ac-form-header h3 { margin: 0; }
.ac-field-error {
  margin: calc(var(--wa-space-2xs) * -1) 0 0;
  color: var(--wa-color-danger-text-loud, var(--wa-color-danger-fill-loud));
  font-size: var(--wa-font-size-s);
}
.ac-form-error-summary {
  margin: var(--wa-space-2xs) 0 0;
  padding-left: var(--wa-space-m);
}
.ac-form-error-summary a { color: inherit; }
.ac-form-actions {
  align-items: center;
  padding-top: var(--wa-space-s);
  border-top: 1px solid var(--wa-color-surface-border, var(--wa-color-neutral-80));
}
.ac-form-actions__spacer { flex: 1 1 auto; }