/* The design study's working surfaces, carried through the homepage examples.
   Keep the existing demo geometry, animation states and interaction hooks. */
body.ultra-page :is(.practice-explorer, .workspace-artifact, .ask-ad, .ultra-direction, .dock-artifact, #source-dialog, #connection-dialog) {
  --study-paper: #fcfdfd;
  --study-canvas: #f3f6f8;
  --study-rule: #d6dfe4;
  --study-ink: #172735;
  --study-muted: #526773;
  --study-brass: #b6a47c;
}

/* Today, the week and The Line share one quiet reading surface. */
body.ultra-page .use-case .practice-screen,
body.ultra-page .use-case .workspace-artifact {
  background: var(--study-paper);
  border-color: #bdcad3;
  border-radius: 6px;
  color: var(--study-ink);
  box-shadow: 0 6px 24px #1727350a;
}

body.ultra-page .use-case :is(.practice-screen-bar, .artifact-top) {
  background: #172735;
  color: #d8e1e7;
  border-bottom-color: #b6a47c;
}

body.ultra-page .use-case :is(.practice-screen-bar, .artifact-top) .mini-wordmark {
  color: #f7fafc;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

body.ultra-page .use-case :is(.practice-screen-bar > span:last-child, .artifact-top small) {
  color: #c5d1d9;
}

body.ultra-page .use-case :is(.practice-screen-body, .ask-artifact-body, .matter-brief-artifact) {
  background: var(--study-paper);
}

body.ultra-page .use-case :is(.practice-screen-footer, .artifact-bottom) {
  background: var(--study-canvas);
  border-color: var(--study-rule);
  color: var(--study-muted);
}

body.ultra-page .use-case .practice-title h3,
body.ultra-page .use-case .line-feature h4,
body.ultra-page .use-case .ask-answer h4,
body.ultra-page .use-case .draft-paper h4,
body.ultra-page .use-case .brief-artifact-heading h4 {
  color: var(--study-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -.035em;
}

body.ultra-page .use-case :is(.practice-title h3, .brief-artifact-heading h4)::after {
  content: none;
}

body.ultra-page .use-case :is(.practice-title > span, .practice-title > p, .day-timeline article > time, .day-timeline p, .week-work article > span, .week-work p, .practice-caveat, .line-secondary > span, .line-secondary small) {
  color: var(--study-muted);
}

body.ultra-page .use-case :is(.day-timeline h4, .week-work h4, .line-secondary p) {
  color: var(--study-ink);
  font-weight: 500;
}

body.ultra-page .use-case .day-timeline article:not(:last-child)::after {
  background: var(--study-rule);
}

body.ultra-page .use-case .day-state {
  color: #486050;
  background: #f2f6f4;
  border-color: #d1ddd7;
  border-radius: 2px;
}

body.ultra-page .use-case .day-state.muted {
  color: #766341;
  background: var(--study-paper);
  border-color: #d6c9af;
}

body.ultra-page .use-case :is(.week-strip, .week-work article, .line-secondary, .line-source-note) {
  border-color: var(--study-rule);
}

body.ultra-page .use-case .week-strip > span {
  color: var(--study-muted);
}

body.ultra-page .use-case .week-strip .current {
  background: var(--study-ink);
  color: #f7fafc;
  box-shadow: inset 0 -2px var(--study-brass);
  border-radius: 2px;
}

body.ultra-page .use-case .week-work b,
body.ultra-page .use-case :is(.line-source-note, .line-source-note strong, .line-feature-top b) {
  color: #766341;
}

body.ultra-page .use-case .line-feature {
  background: #fff;
  border-color: var(--study-rule);
  border-left: 3px solid var(--study-brass);
  border-radius: 4px;
  box-shadow: none;
}

body.ultra-page .use-case .line-feature-top,
body.ultra-page .use-case .line-feature > p {
  color: var(--study-muted);
}

body.ultra-page .practice-explorer .view-selector,
body.ultra-page .practice-explorer .view-selector button {
  border-color: #c1cdd6;
}

body.ultra-page .practice-explorer .view-selector button :is(span, strong) {
  color: #304452;
}

body.ultra-page .practice-explorer .view-selector button :is(small),
body.ultra-page .practice-explorer .view-explainer {
  color: var(--study-muted);
}

body.ultra-page .practice-explorer .view-selector button[aria-pressed="true"] :is(span, strong) {
  color: var(--study-ink);
}

body.ultra-page .practice-explorer .view-selector button[aria-pressed="true"]::after {
  background: #9a8355;
}

/* The workspace examples: sources stay close to answers and working documents. */
body.ultra-page .use-case .workspace-selector {
  border-color: #c1cdd6;
}

body.ultra-page .use-case .workspace-selector button {
  color: #526773;
}

body.ultra-page .use-case .workspace-selector button strong {
  color: #304452;
}

body.ultra-page .use-case .workspace-selector button span {
  color: #526773;
}

body.ultra-page .use-case .workspace-selector button[aria-pressed="true"] {
  border-bottom-color: #9a8355;
}

body.ultra-page .use-case .workspace-selector button[aria-pressed="true"] strong {
  color: #172735;
}

body.ultra-page .workspace-artifact :is(.ask-prompt-options, .draft-controls, .draft-paper-top, .matter-brief-artifact dl > div) {
  border-color: var(--study-rule);
}

body.ultra-page .workspace-artifact .ask-prompt-options button {
  background: #fff;
  color: var(--study-muted);
  border-color: #c6d2d9;
  border-radius: 3px;
  box-shadow: none;
}

body.ultra-page .workspace-artifact .ask-prompt-options button[aria-pressed="true"] {
  background: var(--study-ink);
  border-color: var(--study-ink);
  color: #f7fafc;
  box-shadow: inset 0 -2px var(--study-brass);
}

body.ultra-page .workspace-artifact .answer-signature {
  color: var(--study-muted);
}

body.ultra-page .workspace-artifact .answer-signature > span {
  color: #927a4c;
}

body.ultra-page .workspace-artifact .ask-answer > p {
  color: #304452;
}

body.ultra-page .workspace-artifact .answer-open {
  background: var(--study-canvas);
  border-color: var(--study-rule);
  border-left: 2px solid var(--study-brass);
  border-radius: 2px;
}

body.ultra-page .workspace-artifact .answer-open > span {
  color: #766341;
}

body.ultra-page .workspace-artifact .answer-open p {
  color: var(--study-muted);
}

body.ultra-page .workspace-artifact .draft-controls {
  background: var(--study-canvas);
}

body.ultra-page .workspace-artifact .draft-controls button {
  color: var(--study-muted);
}

body.ultra-page .workspace-artifact .draft-controls button[aria-pressed="true"] {
  color: var(--study-ink);
  border-bottom-color: #9a8355;
}

body.ultra-page .workspace-artifact .draft-paper {
  background: #fff;
  color: var(--study-ink);
}

body.ultra-page .workspace-artifact :is(.draft-paper-top, .draft-paper .draft-lead, .draft-part > span, .brief-artifact-heading > span, .brief-artifact-heading p, .matter-brief-artifact dt) {
  color: var(--study-muted);
}

body.ultra-page .workspace-artifact :is(.draft-paper > p:not(.draft-lead), .draft-part p, .draft-part li) {
  color: #273d4c;
  font-family: Georgia, "Times New Roman", serif;
}

body.ultra-page .workspace-artifact .matter-brief-artifact dd {
  color: #304452;
}

body.ultra-page .workspace-artifact .matter-brief-artifact dd small {
  color: #766341;
}

body.ultra-page :is(.practice-screen, .workspace-artifact, .dock-artifact) :is(.text-button, .citation) {
  color: #304e63;
  border-color: #9cacb6;
}

/* Ask NISI keeps its type-in/reveal choreography, with the study's paper and ink. */
body.ultra-page .ask-story .ask-ad {
  background: var(--study-paper);
  border-color: #9aabb7;
  border-radius: 8px;
  box-shadow: 0 12px 35px #07151f1a;
  color: var(--study-ink);
}

body.ultra-page .ask-ad .ask-ad-topbar {
  background: #172735;
  color: #d8e1e7;
  border-bottom-color: var(--study-brass);
}

body.ultra-page .ask-ad .ask-ad-topbar > span:last-child {
  color: #c5d1d9;
}

body.ultra-page .ask-ad .ask-ad-launch {
  background: var(--study-paper);
}

body.ultra-page .ask-ad :is(.ask-ad-launch h3, .ask-ad-question, .ask-ad-answer h4) {
  color: var(--study-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -.035em;
}

body.ultra-page .ask-ad :is(.ask-ad-launch > span, .ask-answer-label, .ask-open-question, .ask-ad-sources small) {
  color: var(--study-muted);
}

body.ultra-page .ask-ad .ask-ad-question {
  border-color: var(--study-rule);
}

body.ultra-page .ask-ad .ask-ad-answer > p {
  color: #304452;
}

body.ultra-page .ask-ad .ask-ad-answer > p strong {
  color: var(--study-ink);
}

body.ultra-page .ask-ad :is(.ask-symbol, .ask-answer-label > span) {
  color: #b6a47c;
}

body.ultra-page .ask-ad .ask-open-question {
  border-left-color: var(--study-brass);
}

body.ultra-page .ask-ad .ask-open-question > strong {
  color: #766341;
}

body.ultra-page .ask-ad .ask-ad-sources button {
  background: #fff;
  border-color: var(--study-rule);
  border-radius: 3px;
  color: var(--study-ink);
  box-shadow: none;
}

body.ultra-page .ask-ad .ask-ad-sources button:hover {
  border-color: #9a8355;
}

body.ultra-page .ask-ad .ask-ad-footer {
  background: var(--study-canvas);
  border-color: var(--study-rule);
  color: var(--study-muted);
}

body.ultra-page .ask-ad .ask-ad-playback button {
  color: #304e63;
  border-color: #9cacb6;
}

/* Counsel's saved direction and its resulting brief, in both review and The Line. */
body.ultra-page .ultra-direction {
  background: var(--study-canvas);
  border-color: var(--study-rule);
  border-left-color: var(--study-brass);
  border-radius: 4px;
  color: var(--study-ink);
  box-shadow: none;
}

body.ultra-page .ultra-direction .ultra-direction-title {
  color: var(--study-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -.035em;
}

body.ultra-page .ultra-direction :is(.ultra-direction-state, .ultra-direction-scope, .ultra-preparation-gate) {
  color: var(--study-muted);
}

body.ultra-page .ultra-direction .ultra-direction-instruction {
  color: #273d4c;
  font-family: Georgia, "Times New Roman", serif;
}

body.ultra-page .ultra-direction .ultra-direction-gap {
  color: #766341;
  border-color: var(--study-rule);
}

body.ultra-page .ultra-direction .ultra-preparation {
  border-color: var(--study-rule);
}

body.ultra-page .ultra-direction .ultra-preparation-explanation {
  color: #304452;
}

body.ultra-page .ultra-direction .ultra-preparation-progress {
  color: #526859;
}

body.ultra-page .ultra-direction .ultra-prepared-artifact {
  background: #fff;
  border-color: #c7d2d9;
  border-radius: 3px;
}

body.ultra-page .ultra-direction .ultra-artifact-summary {
  color: var(--study-ink);
  border-color: var(--study-rule);
}

body.ultra-page .ultra-direction .ultra-artifact-paragraph {
  color: #273d4c;
  font-family: Georgia, "Times New Roman", serif;
}

body.ultra-page .ultra-direction .ultra-secondary-action {
  color: #304e63;
  background: #fff;
  border-color: #aebfc9;
  box-shadow: none;
}

/* Microsoft 365's source examples retain their existing animated dock. */
body.ultra-page .dock-artifact {
  background: #fff;
  border-color: #bdcad3;
  border-radius: 4px;
  color: var(--study-ink);
  box-shadow: 0 5px 18px #1727350a;
}

body.ultra-page .dock-artifact :is(.dock-appbar, .dock-outcome, .dock-file) {
  border-color: var(--study-rule);
}

body.ultra-page .dock-artifact :is(.dock-appbar, .dock-outcome > span, .dock-outcome small, .dock-file small, .dock-event p) {
  color: var(--study-muted);
}

body.ultra-page .dock-artifact :is(h4, .dock-outcome strong, .dock-file strong, .dock-event > strong) {
  color: var(--study-ink);
}

body.ultra-page .dock-artifact > h4,
body.ultra-page .dock-artifact .dock-event h4 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -.025em;
}

body.ultra-page .dock-artifact > p {
  color: #273d4c;
  font-family: Georgia, "Times New Roman", serif;
}

body.ultra-page .dock-artifact .dock-outcome > span {
  color: #766341;
}

/* Native homepage dialogs keep their current size, modal controls and focus. */
body.ultra-page :is(#source-dialog, #connection-dialog) {
  background: var(--study-paper);
  color: var(--study-ink);
  border-color: #bdcad3;
  border-radius: 6px;
  box-shadow: 0 16px 55px #17273526;
}

body.ultra-page :is(#source-dialog, #connection-dialog)::backdrop {
  background: #17273580;
  backdrop-filter: blur(3px);
}

body.ultra-page :is(#source-dialog, #connection-dialog) .dialog-top {
  background: #172735;
  color: #d8e1e7;
  border-bottom-color: var(--study-brass);
}

body.ultra-page :is(#source-dialog, #connection-dialog) :is(.mini-wordmark, .close-dialog) {
  color: #f7fafc;
}

body.ultra-page :is(#source-dialog, #connection-dialog) .mini-wordmark {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

body.ultra-page #source-dialog .source-document {
  background: var(--study-paper);
}

body.ultra-page #source-dialog .source-document h2,
body.ultra-page #connection-dialog .connection-detail h3 {
  color: var(--study-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -.035em;
}

body.ultra-page #source-dialog .source-document > p:not(.eyebrow):not(.document-end) {
  color: #273d4c;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.85;
}

body.ultra-page #source-dialog :is(.document-meta, .document-end, .source-document .eyebrow),
body.ultra-page #connection-dialog :is([data-connection-label], [data-connection-copy]) {
  color: var(--study-muted);
  border-color: var(--study-rule);
}

body.ultra-page #source-dialog .source-highlight {
  background: var(--study-canvas);
  border-left: 2px solid var(--study-brass);
}

body.ultra-page :is(#source-dialog, #connection-dialog) .dialog-footer {
  background: var(--study-canvas);
  color: var(--study-muted);
  border-color: var(--study-rule);
}

body.ultra-page #connection-dialog .text-button {
  color: #304e63;
  border-color: #9cacb6;
}

@media (max-width: 899px) {
  body.ultra-page .practice-explorer .view-selector button[aria-pressed="true"] {
    border-bottom-color: #9a8355;
  }
}