/* Theme variants only redefine shared semantic tokens. Layout stays in the
   existing page styles so a theme can never change authorization or content. */
:root {
  --nc-on-accent: #fff;
  --nc-heading: var(--nc-brand-950);
  --nc-heading-link: var(--nc-heading);
  --nc-admin-canvas: var(--nc-background-base);
  --nc-admin-surface: var(--nc-background-elevated);
  --nc-admin-surface-muted: var(--nc-background-muted);
  --nc-admin-border: var(--nc-border-subtle);
  --nc-admin-text: var(--nc-text-primary);
  --nc-admin-muted: var(--nc-text-secondary);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --nc-paper: #21191f;
  --nc-canvas: #151014;
  --nc-white: #2b2228;
  --nc-ink-950: #f8edf3;
  --nc-ink-900: #f0e3e9;
  --nc-ink-800: #e0d1d8;
  --nc-ink-700: #c8b6bf;
  --nc-ink-600: #ad99a3;
  --nc-ink-500: #91818a;
  --nc-ink-400: #75666d;
  --nc-ink-300: #5b4c53;
  --nc-ink-200: #44373d;
  --nc-ink-150: #392e33;
  --nc-ink-100: #30262b;
  --nc-ink-50: #261e22;
  --nc-bg: var(--nc-canvas);
  --nc-surface: var(--nc-paper);
  --nc-surface-raised: var(--nc-white);
  --nc-surface-soft: #2d2028;
  --nc-text: var(--nc-ink-950);
  --nc-text-muted: var(--nc-ink-600);
  --nc-text-subtle: var(--nc-ink-500);
  --nc-border: var(--nc-ink-200);
  --nc-border-strong: var(--nc-ink-300);
  --nc-link: var(--nc-brand-300);
  --nc-link-hover: var(--nc-brand-200);
  --nc-background-base: var(--nc-canvas);
  --nc-background-elevated: var(--nc-paper);
  --nc-background-muted: var(--nc-ink-50);
  --nc-text-primary: var(--nc-ink-950);
  --nc-text-secondary: var(--nc-ink-700);
  --nc-heading: var(--nc-text-primary);
  --nc-heading-link: var(--nc-text-primary);
  --nc-accent-primary: var(--nc-link);
  --nc-border-subtle: var(--nc-ink-200);
  --nc-accent-soft: #35222d;
  --nc-shadow-sm: 0 1px 2px rgb(0 0 0 / 24%), 0 4px 12px rgb(0 0 0 / 16%);
  --nc-shadow-md: 0 10px 28px rgb(0 0 0 / 30%);
  --nc-shadow-lg: 0 20px 56px rgb(0 0 0 / 38%);
}

:root[data-theme="restful"] {
  color-scheme: light;
  --nc-paper: #f7efdf;
  --nc-canvas: #e9dfca;
  --nc-white: #fff8e9;
  --nc-ink-950: #332a26;
  --nc-ink-900: #40342f;
  --nc-ink-800: #50413a;
  --nc-ink-700: #64544b;
  --nc-ink-600: #77665c;
  --nc-ink-500: #8d7c71;
  --nc-ink-400: #a99b90;
  --nc-ink-300: #c3b6a8;
  --nc-ink-200: #d6cbbc;
  --nc-ink-150: #e0d5c5;
  --nc-ink-100: #e8dece;
  --nc-ink-50: #eee5d6;
  --nc-bg: var(--nc-canvas);
  --nc-surface: var(--nc-paper);
  --nc-surface-raised: var(--nc-white);
  --nc-surface-soft: #efe1d4;
  --nc-text: var(--nc-ink-950);
  --nc-text-muted: var(--nc-ink-600);
  --nc-text-subtle: var(--nc-ink-500);
  --nc-border: var(--nc-ink-200);
  --nc-border-strong: var(--nc-ink-300);
  --nc-link: #70485b;
  --nc-link-hover: #4f3140;
  --nc-background-base: var(--nc-canvas);
  --nc-background-elevated: var(--nc-paper);
  --nc-background-muted: var(--nc-ink-50);
  --nc-text-primary: var(--nc-ink-950);
  --nc-text-secondary: var(--nc-ink-700);
  --nc-heading: var(--nc-text-primary);
  --nc-heading-link: var(--nc-text-primary);
  --nc-accent-primary: var(--nc-link);
  --nc-border-subtle: var(--nc-ink-200);
  --nc-accent-soft: #ead8d0;
  --nc-shadow-sm: 0 2px 8px rgb(72 56 42 / 8%);
  --nc-shadow-md: 0 12px 30px rgb(72 56 42 / 11%);
  --nc-shadow-lg: 0 22px 54px rgb(72 56 42 / 15%);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --nc-paper: #21191f;
    --nc-canvas: #151014;
    --nc-white: #2b2228;
    --nc-ink-950: #f8edf3;
    --nc-ink-900: #f0e3e9;
    --nc-ink-800: #e0d1d8;
    --nc-ink-700: #c8b6bf;
    --nc-ink-600: #ad99a3;
    --nc-ink-500: #91818a;
    --nc-ink-400: #75666d;
    --nc-ink-300: #5b4c53;
    --nc-ink-200: #44373d;
    --nc-ink-150: #392e33;
    --nc-ink-100: #30262b;
    --nc-ink-50: #261e22;
    --nc-bg: var(--nc-canvas);
    --nc-surface: var(--nc-paper);
    --nc-surface-raised: var(--nc-white);
    --nc-surface-soft: #2d2028;
    --nc-text: var(--nc-ink-950);
    --nc-text-muted: var(--nc-ink-600);
    --nc-text-subtle: var(--nc-ink-500);
    --nc-border: var(--nc-ink-200);
    --nc-border-strong: var(--nc-ink-300);
    --nc-link: var(--nc-brand-300);
    --nc-link-hover: var(--nc-brand-200);
    --nc-background-base: var(--nc-canvas);
    --nc-background-elevated: var(--nc-paper);
    --nc-background-muted: var(--nc-ink-50);
    --nc-text-primary: var(--nc-ink-950);
    --nc-text-secondary: var(--nc-ink-700);
    --nc-heading: var(--nc-text-primary);
    --nc-heading-link: var(--nc-text-primary);
    --nc-accent-primary: var(--nc-link);
    --nc-border-subtle: var(--nc-ink-200);
    --nc-accent-soft: #35222d;
    --nc-shadow-sm: 0 1px 2px rgb(0 0 0 / 24%), 0 4px 12px rgb(0 0 0 / 16%);
    --nc-shadow-md: 0 10px 28px rgb(0 0 0 / 30%);
    --nc-shadow-lg: 0 20px 56px rgb(0 0 0 / 38%);
  }
}

.appearance-control {
  min-width: 0;
  margin: 0;
  border: 0;
  padding: 0;
}
.appearance-control legend {
  color: var(--nc-text-primary);
  font-weight: 800;
}
.appearance-control > p {
  margin: .25rem 0 .75rem;
  color: var(--nc-text-muted);
  font-size: var(--nc-text-sm);
}
.appearance-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .5rem;
}
.appearance-options label {
  min-width: 0;
  cursor: pointer;
}
.appearance-options input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.appearance-options span {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0 .55rem;
  min-height: 3.25rem;
  border: 1px solid var(--nc-border-subtle);
  border-radius: var(--nc-radius-control);
  background: var(--nc-background-elevated);
  color: var(--nc-text-primary);
  padding: .6rem .7rem;
}
.appearance-options i {
  grid-row: 1 / 3;
  align-self: center;
  color: var(--nc-link);
  font-size: 1.15rem;
}
.appearance-options strong { font-size: .82rem; }
.appearance-options small {
  overflow-wrap: anywhere;
  color: var(--nc-text-muted);
  font-size: .68rem;
  line-height: 1.25;
}
.appearance-options input:checked + span {
  border-color: var(--nc-link);
  background: var(--nc-accent-soft);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--nc-focus-ring) 24%, transparent);
}
.appearance-options input:focus-visible + span {
  outline: 3px solid var(--nc-focus-ring);
  outline-offset: 2px;
}
.appearance-status {
  display: block;
  min-height: 1.4em;
  margin-top: .55rem;
  color: var(--nc-text-muted);
  font-size: .72rem;
}
.footer-appearance { min-width: min(100%, 19rem); }
.footer-appearance > summary { cursor: pointer; color: var(--nc-heading-link); font-weight: 750; }
.footer-appearance[open] > summary { margin-bottom: .75rem; }
.member-appearance-card { grid-column: 1 / -1; }
.member-topbar {
  border-bottom-color: var(--nc-border-subtle);
  background: color-mix(in srgb, var(--nc-background-elevated) 97%, transparent);
  box-shadow: var(--nc-shadow-sm);
}
.member-live-strip {
  border-top-color: var(--nc-border-subtle);
  background: color-mix(in srgb, var(--nc-background-muted) 92%, transparent);
}
.member-legal-footer {
  border-top-color: var(--nc-border-subtle);
  background: color-mix(in srgb, var(--nc-background-elevated) 78%, transparent);
}
.member-home-body :is(input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="file"]), select, textarea) {
  border-color: var(--nc-border-subtle);
  background: var(--nc-background-elevated);
  color: var(--nc-text-primary);
}
.member-home-body :is(input[type="checkbox"], input[type="radio"]) {
  accent-color: var(--nc-link);
  color-scheme: inherit;
}
.member-signals strong,
.member-role-signal b {
  border-color: var(--nc-background-elevated);
}
.member-appearance-cycle {
  display: grid;
  place-items: center;
  width: 44px;
  min-width: 44px;
  height: 44px;
  border: 0;
  border-radius: var(--nc-radius-control);
  background: transparent;
  color: var(--nc-link);
  cursor: pointer;
}
.member-appearance-cycle:hover,
.member-appearance-cycle:focus-visible {
  background: var(--nc-accent-soft);
  color: var(--nc-link-hover);
}
.member-appearance-cycle:focus-visible {
  outline: 3px solid var(--nc-focus-ring);
  outline-offset: 2px;
}

/* Legacy member reports still use brand and ink palette colors directly.
   Resolve their foregrounds and surfaces through the shared theme contract. */
.member-home-body .member-section-heading :is(h1, h2),
.member-home-body .member-report-form legend,
.member-home-body .member-report-section > header h2,
.member-home-body .member-report-list :is(h2, h3) {
  color: var(--nc-text-primary);
}
.member-home-body :is(h1, h2, h3, h4) {
  color: var(--nc-heading);
}
.member-home-body :is(h1, h2, h3, h4) a {
  color: var(--nc-heading-link);
}

/* Identity glass stays intentionally light over profile covers in every mode. */
.member-home-body .member-profile-identity-card h1 {
  color: var(--nc-brand-950);
}
.member-home-body .member-profile-identity-card .member-profile-identity-copy > p {
  color: var(--nc-brand-900);
}
.member-home-body .member-profile-identity-card .member-profile-identity-copy > span {
  color: #3d3339;
}
.member-home-body .member-report-section > header p {
  color: var(--nc-link);
}
.member-home-body .member-brand span {
  color: var(--nc-link);
}
.member-home-body .member-signals :is(a, button, summary),
.member-home-body .member-appearance-cycle,
.member-home-body .member-live-now,
.member-home-body .member-live-tempo,
.member-home-body .member-live-gender,
.member-home-body .member-live-mood {
  color: var(--nc-link);
}
.member-home-body .member-live-strip :is(span, em) {
  color: var(--nc-text-secondary);
}
.member-home-body .member-report-filter a {
  border-color: var(--nc-border-subtle);
  background: var(--nc-background-elevated);
  color: var(--nc-text-secondary);
}
.member-home-body .member-report-filter a:hover,
.member-home-body .member-report-filter a:focus-visible,
.member-home-body .member-report-filter a[aria-current="page"] {
  border-color: var(--nc-link);
  background: var(--nc-accent-soft);
  color: var(--nc-link);
}
.member-home-body .member-report-list > :is(article, details) {
  border-color: var(--nc-border-subtle);
  background: var(--nc-background-elevated);
}
.member-home-body .member-report-list :is(span, small),
.member-home-body .member-report-detail dt {
  color: var(--nc-text-muted);
}
.member-home-body .member-report-detail dl > div {
  background: var(--nc-background-muted);
}
.member-home-body .member-report-detail dd {
  color: var(--nc-text-secondary);
}

/* Public headings and account-entry controls use semantic colors so the
   same markup remains readable in light, dark and restful modes. */
.nc-title,
.nc-section-title:not(.nc-section-title--light),
.page-title,
.role-lab-hero h1,
.login-methods h2,
.footer-sitemap h2,
.brand--footer {
  color: var(--nc-heading);
}
.login-method-tabs button[aria-selected="true"] {
  border-bottom-color: var(--nc-link);
  color: var(--nc-link);
}
.login-route-links a {
  border-color: var(--nc-border-subtle);
  background: var(--nc-accent-soft);
  color: var(--nc-link);
}
.login-route-links a:hover,
.login-route-links a:focus-visible {
  border-color: var(--nc-link);
  background: var(--nc-background-elevated);
}
.login-method-info > summary {
  border-color: var(--nc-border-subtle);
  background: var(--nc-background-elevated);
  color: var(--nc-link);
}
.login-method-info > summary:hover,
.login-method-info > summary:focus-visible {
  border-color: var(--nc-link);
  color: var(--nc-link-hover);
}
.login-method-info > p {
  border-left-color: var(--nc-link);
  background: var(--nc-background-muted);
  color: var(--nc-text-secondary);
}
.login-methods .sharp-login-card input {
  border-color: var(--nc-border-subtle);
  background: var(--nc-background-elevated);
  color: var(--nc-text-primary);
}
.login-methods .nc-button--secondary {
  border-color: var(--nc-border-subtle);
  background: var(--nc-background-elevated);
  color: var(--nc-link);
}
.login-methods .nc-button--secondary:hover,
.login-methods .nc-button--secondary:focus-visible {
  border-color: var(--nc-link);
  background: var(--nc-accent-soft);
  color: var(--nc-link-hover);
}

.admin-sidebar-appearance {
  margin: auto 12px 12px;
  border-top: 1px solid var(--nc-admin-border);
  padding-top: 12px;
}
.admin-sidebar-appearance details > summary {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: .5rem;
  color: var(--nc-admin-muted);
  font-size: .8rem;
  font-weight: 800;
  cursor: pointer;
}
.admin-sidebar-appearance .appearance-control {
  border-radius: var(--nc-radius-card);
  background: var(--nc-admin-surface-muted);
  padding: .75rem;
}
.admin-sidebar-appearance .appearance-control > p { display: none; }
.admin-sidebar-appearance .appearance-options { grid-template-columns: 1fr; }

/* The shared semantic layer deliberately comes last and removes the admin
   shell's dependency on its historical hard-coded light palette. */
.admin-surface-body,
.operative-body { background-color: var(--nc-admin-canvas); color: var(--nc-admin-text); }
.admin-surface-body .admin-sidebar,
.admin-surface-body .operative-identity,
.admin-surface-body .admin-hero,
.admin-surface-body .admin-action-grid article,
.admin-surface-body .admin-stat-headline article,
.admin-surface-body .admin-stat-section,
.admin-surface-body .admin-stat-grid article,
.admin-surface-body .admin-policy-editor,
.admin-surface-body .admin-permission-meta,
.admin-surface-body .operative-filter,
.admin-surface-body .permission-table article,
.admin-surface-body .content-document-form,
.admin-surface-body .admin-invitation-card,
.admin-surface-body .admin-invitation-result,
.admin-surface-body .content-live-preview,
.admin-surface-body .content-live-canvas,
.admin-surface-body .admin-attribute-create details,
.admin-surface-body .admin-attribute-group,
.admin-surface-body .admin-attribute-fields > details,
.admin-surface-body .admin-field-create,
.admin-surface-body .matching-policy-grid fieldset {
  border-color: var(--nc-admin-border);
  background: var(--nc-admin-surface);
  color: var(--nc-admin-text);
}
.admin-surface-body :is(h1, h2, h3, label, legend),
.admin-surface-body .admin-sidebar a { color: var(--nc-admin-text); }
.admin-surface-body p,
.admin-surface-body small,
.admin-surface-body .admin-sidebar h2 { color: var(--nc-admin-muted); }
.admin-surface-body :is(input, select, textarea),
.admin-surface-body .content-editor-outline,
.admin-surface-body .content-editor-outline button {
  border-color: var(--nc-admin-border) !important;
  background: var(--nc-admin-surface) !important;
  color: var(--nc-admin-text) !important;
}
.admin-surface-body .admin-sidebar a:hover,
.admin-surface-body .admin-sidebar a:focus-visible,
.admin-surface-body .admin-sidebar a.is-active {
  background: var(--nc-accent-soft);
  color: var(--nc-link);
}
.admin-surface-body .admin-sidebar a.is-active {
  box-shadow: inset 3px 0 var(--nc-link);
}
.admin-surface-body .operative-identity button,
.admin-surface-body .admin-sidebar nav a i,
.admin-surface-body .admin-return-link,
.admin-surface-body .admin-return-link i {
  color: var(--nc-link);
}
.admin-surface-body .operative-identity button:hover,
.admin-surface-body .operative-identity button:focus-visible,
.admin-surface-body .admin-return-link:hover,
.admin-surface-body .admin-return-link:focus-visible {
  color: var(--nc-link-hover);
}

@media (max-width: 35rem) {
  .appearance-options { grid-template-columns: 1fr; }
  .footer-appearance { min-width: 0; }
  .footer-appearance .appearance-options { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 21.25rem) {
  .member-brand {
    width: 32px;
    flex: 0 0 32px;
  }
  .member-brand img {
    width: 32px;
    height: 32px;
  }
}