/* ArtCenter 2026 prototype — every rule stays inside its case-study root. */
[data-artcenter-prototype] {
  --acp-paper: #f4efe7;
  --acp-panel: #fffaf4;
  --acp-panel-strong: #fffdf9;
  --acp-ink: #2b2225;
  --acp-muted: #756b68;
  --acp-line: rgba(79, 59, 61, 0.18);
  --acp-pink: #e94d7a;
  --acp-magenta: #b63665;
  --acp-coral: #f38b6d;
  --acp-yellow: #f7d98a;
  --acp-shadow: 0 22px 60px rgba(55, 32, 36, 0.14), 0 2px 4px rgba(55, 32, 36, 0.07);
  color: var(--acp-ink);
  font-family: inherit;
  isolation: isolate;
  margin: clamp(5rem, 10vw, 10rem) auto 0;
  max-width: 1320px;
  min-width: 0;
  overflow: clip;
  padding: 0 clamp(1.25rem, 5vw, 5.5rem) clamp(4rem, 9vw, 8.5rem);
}

[data-artcenter-prototype] *,
[data-artcenter-prototype] *::before,
[data-artcenter-prototype] *::after {
  box-sizing: border-box;
}

[data-artcenter-prototype] button,
[data-artcenter-prototype] a {
  -webkit-tap-highlight-color: transparent;
}

[data-artcenter-prototype] button {
  color: inherit;
  font: inherit;
}

[data-artcenter-prototype] button:focus-visible,
[data-artcenter-prototype] a:focus-visible {
  outline: 3px solid var(--acp-pink);
  outline-offset: 3px;
}

[data-artcenter-prototype] img {
  display: block;
  max-width: 100%;
}

[data-artcenter-prototype] h2,
[data-artcenter-prototype] h3,
[data-artcenter-prototype] h4,
[data-artcenter-prototype] p,
[data-artcenter-prototype] dl,
[data-artcenter-prototype] dd {
  margin: 0;
}

[data-artcenter-prototype] h2,
[data-artcenter-prototype] h3,
[data-artcenter-prototype] h4 {
  color: var(--acp-ink);
  font-weight: 500;
  letter-spacing: -0.045em;
}

[data-artcenter-prototype] p {
  color: var(--acp-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

[data-artcenter-prototype] .acp-eyebrow {
  color: var(--acp-magenta);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
}

[data-artcenter-prototype] .acp-prototype-intro {
  align-items: end;
  border-top: 1px solid var(--acp-line);
  display: grid;
  gap: clamp(2rem, 7vw, 8rem);
  grid-template-columns: minmax(0, 1.18fr) minmax(260px, 0.82fr);
  padding: clamp(1.5rem, 3vw, 2.5rem) 0 clamp(3rem, 7vw, 6rem);
}

[data-artcenter-prototype] .acp-intro-copy {
  max-width: 700px;
}

[data-artcenter-prototype] .acp-intro-copy h2 {
  font-size: clamp(2.75rem, 6vw, 6.1rem);
  line-height: 0.95;
  margin-top: 1.15rem;
  max-width: 9ch;
}

[data-artcenter-prototype] .acp-intro-lede {
  font-size: clamp(1rem, 1.45vw, 1.25rem);
  line-height: 1.5;
  margin-top: 1.7rem;
  max-width: 43rem;
}

[data-artcenter-prototype] .acp-intro-facts {
  border-left: 1px solid var(--acp-line);
  display: grid;
  gap: 1.25rem;
  padding-left: clamp(1.15rem, 2.5vw, 2.5rem);
}

[data-artcenter-prototype] .acp-intro-facts > div {
  display: grid;
  gap: 0.35rem;
}

[data-artcenter-prototype] .acp-intro-facts dt {
  color: var(--acp-magenta);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

[data-artcenter-prototype] .acp-intro-facts dd {
  color: var(--acp-ink);
  font-size: 0.9rem;
  line-height: 1.45;
  max-width: 27rem;
}

[data-artcenter-prototype] .acp-prototype-workspace {
  align-items: start;
  display: grid;
  gap: clamp(2.25rem, 7vw, 7.5rem);
  grid-template-columns: minmax(220px, 0.72fr) minmax(300px, 1fr);
}

[data-artcenter-prototype] .acp-stage-nav {
  max-width: 24rem;
  min-width: 0;
  padding-top: 0.5rem;
}

[data-artcenter-prototype] .acp-stage-heading h3 {
  font-size: clamp(1.75rem, 3vw, 2.8rem);
  line-height: 1.02;
  margin-top: 0.85rem;
  max-width: 10ch;
}

[data-artcenter-prototype] .acp-stage-summary {
  margin-top: 1rem;
  max-width: 22rem;
}

[data-artcenter-prototype] .acp-step-list {
  border-top: 1px solid var(--acp-line);
  display: grid;
  margin-top: 2rem;
}

[data-artcenter-prototype] .acp-step-button {
  align-items: center;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--acp-line);
  cursor: pointer;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  padding: 1rem 0;
  text-align: left;
  transition: color 180ms ease, padding 180ms ease;
  width: 100%;
}

[data-artcenter-prototype] .acp-step-button:hover,
[data-artcenter-prototype] .acp-step-button[aria-current="step"] {
  color: var(--acp-magenta);
  padding-left: 0.55rem;
}

[data-artcenter-prototype] .acp-step-number {
  color: var(--acp-coral);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

[data-artcenter-prototype] .acp-step-copy {
  display: grid;
  gap: 0.16rem;
}

[data-artcenter-prototype] .acp-step-copy strong {
  font-size: 1.05rem;
  font-weight: 500;
}

[data-artcenter-prototype] .acp-step-copy small {
  color: var(--acp-muted);
  font-size: 0.76rem;
}

[data-artcenter-prototype] .acp-stage-note {
  background: var(--acp-panel);
  border: 1px solid var(--acp-line);
  margin-top: 2.2rem;
  padding: 1.15rem;
}

[data-artcenter-prototype] .acp-stage-note p:last-child {
  font-size: 0.83rem;
  line-height: 1.55;
  margin-top: 0.65rem;
}

[data-artcenter-prototype] .acp-demo-column {
  align-items: center;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

[data-artcenter-prototype] .acp-demo-toolbar {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
  max-width: 440px;
  width: 100%;
}

[data-artcenter-prototype] .acp-demo-toolbar p {
  align-items: center;
  display: flex;
  font-size: 0.68rem;
  font-weight: 700;
  gap: 0.42rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

[data-artcenter-prototype] .acp-demo-toolbar-actions {
  align-items: center;
  display: flex;
  gap: 0.7rem;
}

[data-artcenter-prototype] .acp-live-dot {
  background: var(--acp-pink);
  border-radius: 50%;
  display: inline-block;
  height: 0.42rem;
  width: 0.42rem;
}

[data-artcenter-prototype] .acp-toolbar-divider {
  color: var(--acp-coral);
  font-size: 0.85rem;
}

[data-artcenter-prototype] .acp-reset-button {
  background: transparent;
  border: 0;
  color: var(--acp-muted);
  cursor: pointer;
  font-size: 0.72rem;
  padding: 0.35rem 0;
  text-decoration: underline;
  text-decoration-color: rgba(117, 107, 104, 0.45);
  text-underline-offset: 0.22rem;
}

[data-artcenter-prototype] .acp-reset-button:hover {
  color: var(--acp-magenta);
}

[data-artcenter-prototype] .acp-error-preview-button {
  background: transparent;
  border: 1px solid rgba(182, 54, 101, 0.38);
  color: var(--acp-magenta);
  cursor: pointer;
  font-size: 0.63rem;
  padding: 0.42rem 0.52rem;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

[data-artcenter-prototype] .acp-error-preview-button:hover {
  background: rgba(233, 77, 122, 0.08);
  border-color: var(--acp-pink);
  color: var(--acp-ink);
}

[data-artcenter-prototype] .acp-phone-frame {
  background: #31262b;
  border: 8px solid #31262b;
  border-radius: 2.6rem;
  box-shadow: var(--acp-shadow), 0 0 0 1px rgba(43, 34, 37, 0.25);
  max-width: 100%;
  padding: 0.52rem;
  position: relative;
  width: min(100%, 388px);
}

[data-artcenter-prototype] .acp-phone-speaker {
  background: #171214;
  border-radius: 1rem;
  height: 0.28rem;
  left: 50%;
  position: absolute;
  top: 0.22rem;
  transform: translateX(-50%);
  width: 4.1rem;
  z-index: 2;
}

[data-artcenter-prototype] .acp-phone-screen {
  background: var(--acp-paper);
  border-radius: 2rem;
  min-height: 650px;
  overflow: hidden;
  position: relative;
}

[data-artcenter-prototype] .acp-app-header {
  align-items: center;
  background: rgba(244, 239, 231, 0.96);
  border-bottom: 1px solid rgba(79, 59, 61, 0.11);
  display: grid;
  gap: 0.45rem;
  grid-template-columns: auto minmax(0, 1fr) auto;
  padding: 1.25rem 1.15rem 0.85rem;
  position: relative;
  z-index: 1;
}

[data-artcenter-prototype] .acp-wordmark {
  color: var(--acp-ink);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: -0.06em;
  text-decoration: none;
}

[data-artcenter-prototype] .acp-wordmark span {
  color: var(--acp-pink);
}

[data-artcenter-prototype] .acp-app-tabs {
  align-items: center;
  display: flex;
  gap: 0.8rem;
  justify-content: center;
  min-width: 0;
}

[data-artcenter-prototype] .acp-tab {
  background: transparent;
  border: 0;
  color: var(--acp-muted);
  cursor: pointer;
  font-size: 0.64rem;
  padding: 0.3rem 0;
  position: relative;
  white-space: nowrap;
}

[data-artcenter-prototype] .acp-tab--active,
[data-artcenter-prototype] .acp-tab[aria-current="page"] {
  color: var(--acp-ink);
  font-weight: 700;
}

[data-artcenter-prototype] .acp-tab--active::after,
[data-artcenter-prototype] .acp-tab[aria-current="page"]::after {
  background: var(--acp-pink);
  bottom: -0.86rem;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  right: 0;
}

[data-artcenter-prototype] .acp-tab-count {
  color: var(--acp-magenta);
  font-size: 0.56rem;
  margin-left: 0.1rem;
}

[data-artcenter-prototype] .acp-avatar {
  align-items: center;
  background: var(--acp-yellow);
  border-radius: 50%;
  color: var(--acp-ink);
  display: inline-flex;
  font-size: 0.59rem;
  font-weight: 700;
  height: 1.35rem;
  justify-content: center;
  width: 1.35rem;
}

[data-artcenter-prototype] .acp-app-main {
  min-height: 577px;
  padding: 1.45rem 1.15rem 1.7rem;
}

[data-artcenter-prototype] .acp-view {
  min-width: 0;
}

[data-artcenter-prototype] .acp-screen-intro h3,
[data-artcenter-prototype] .acp-collection-head h3 {
  font-size: clamp(1.55rem, 5vw, 2rem);
  line-height: 1.02;
  margin-top: 0.45rem;
  max-width: 13ch;
}

[data-artcenter-prototype] .acp-screen-intro > p:last-child {
  font-size: 0.8rem;
  line-height: 1.5;
  margin-top: 0.6rem;
  max-width: 18rem;
}

[data-artcenter-prototype] .acp-screen-kicker {
  color: var(--acp-magenta);
  font-size: 0.59rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

[data-artcenter-prototype] .acp-search-row {
  align-items: center;
  background: rgba(255, 250, 244, 0.88);
  border: 1px solid var(--acp-line);
  border-radius: 0.4rem;
  color: var(--acp-muted);
  display: flex;
  font-size: 0.66rem;
  gap: 0.55rem;
  margin-top: 1.45rem;
  min-width: 0;
  padding: 0.67rem 0.75rem;
}

[data-artcenter-prototype] .acp-search-icon {
  border: 1.5px solid var(--acp-magenta);
  border-radius: 50%;
  display: inline-block;
  height: 0.72rem;
  position: relative;
  width: 0.72rem;
}

[data-artcenter-prototype] .acp-search-icon::after {
  background: var(--acp-magenta);
  bottom: -0.18rem;
  content: "";
  height: 1px;
  position: absolute;
  right: -0.15rem;
  transform: rotate(45deg);
  width: 0.28rem;
}

[data-artcenter-prototype] .acp-filter-icon {
  color: var(--acp-coral);
  font-size: 0.67rem;
  margin-left: auto;
}

[data-artcenter-prototype] .acp-feed-heading {
  align-items: center;
  display: flex;
  font-size: 0.61rem;
  font-weight: 700;
  justify-content: space-between;
  letter-spacing: 0.04em;
  margin-top: 1.4rem;
  text-transform: uppercase;
}

[data-artcenter-prototype] .acp-feed-heading span:last-child {
  color: var(--acp-muted);
  font-size: 0.57rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

[data-artcenter-prototype] .acp-art-grid {
  display: grid;
  gap: 0.72rem;
  grid-template-columns: minmax(0, 1.23fr) minmax(0, 0.77fr);
  margin-top: 0.65rem;
}

[data-artcenter-prototype] .acp-art-card {
  min-width: 0;
}

[data-artcenter-prototype] .acp-art-open {
  background: transparent;
  border: 0;
  cursor: pointer;
  display: block;
  padding: 0;
  text-align: left;
  width: 100%;
}

[data-artcenter-prototype] .acp-art-image {
  background: var(--acp-panel);
  border-radius: 0.32rem;
  display: block;
  overflow: hidden;
  position: relative;
}

[data-artcenter-prototype] .acp-art-image--feature {
  aspect-ratio: 0.94;
}

[data-artcenter-prototype] .acp-art-image--feature img {
  height: 100%;
  object-fit: cover;
  transition: transform 350ms cubic-bezier(0.2, 0.7, 0.2, 1);
  width: 100%;
}

[data-artcenter-prototype] .acp-art-open:hover .acp-art-image--feature img {
  transform: scale(1.035);
}

[data-artcenter-prototype] .acp-art-badge {
  background: var(--acp-panel-strong);
  bottom: 0.5rem;
  color: var(--acp-magenta);
  font-size: 0.52rem;
  font-weight: 700;
  left: 0.5rem;
  letter-spacing: 0.08em;
  padding: 0.31rem 0.4rem;
  position: absolute;
  text-transform: uppercase;
}

[data-artcenter-prototype] .acp-art-image--riso {
  aspect-ratio: 0.94;
  background: #e9ddd5;
  overflow: hidden;
}

[data-artcenter-prototype] .acp-riso-shape {
  border-radius: 50%;
  display: block;
  position: absolute;
}

[data-artcenter-prototype] .acp-riso-shape--one {
  background: var(--acp-coral);
  height: 75%;
  left: -20%;
  top: 7%;
  width: 118%;
}

[data-artcenter-prototype] .acp-riso-shape--two {
  background: var(--acp-magenta);
  height: 69%;
  right: -35%;
  top: 31%;
  width: 112%;
}

[data-artcenter-prototype] .acp-riso-line {
  background: var(--acp-yellow);
  display: block;
  height: 0.35rem;
  left: 8%;
  position: absolute;
  top: 54%;
  transform: rotate(-48deg);
  width: 82%;
}

[data-artcenter-prototype] .acp-riso-caption {
  bottom: 0.55rem;
  color: #fff7ec;
  font-size: 0.47rem;
  font-weight: 700;
  left: 0.55rem;
  letter-spacing: 0.08em;
  line-height: 1.35;
  position: absolute;
  text-transform: uppercase;
}

[data-artcenter-prototype] .acp-art-card-copy {
  align-items: start;
  display: flex;
  gap: 0.25rem;
  justify-content: space-between;
  padding-top: 0.55rem;
}

[data-artcenter-prototype] .acp-art-card-copy > span:first-child {
  display: grid;
  gap: 0.12rem;
  min-width: 0;
}

[data-artcenter-prototype] .acp-art-card-copy strong {
  font-size: 0.76rem;
  font-weight: 600;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

[data-artcenter-prototype] .acp-art-card-copy small {
  color: var(--acp-muted);
  font-size: 0.62rem;
}

[data-artcenter-prototype] .acp-card-arrow {
  color: var(--acp-magenta);
  font-size: 0.95rem;
  line-height: 1;
}

[data-artcenter-prototype] .acp-feed-footer {
  align-items: center;
  display: flex;
  font-size: 0.66rem;
  gap: 0.4rem;
  margin-top: 1.6rem;
}

[data-artcenter-prototype] .acp-feed-mark {
  color: var(--acp-pink);
  font-size: 0.94rem;
}

[data-artcenter-prototype] .acp-back-link {
  background: transparent;
  border: 0;
  color: var(--acp-muted);
  cursor: pointer;
  font-size: 0.69rem;
  padding: 0;
}

[data-artcenter-prototype] .acp-back-link:hover {
  color: var(--acp-magenta);
}

[data-artcenter-prototype] .acp-detail-hero {
  margin-top: 1rem;
}

[data-artcenter-prototype] .acp-detail-image-link {
  background: var(--acp-panel);
  border-radius: 0.4rem;
  display: block;
  overflow: hidden;
  position: relative;
}

[data-artcenter-prototype] .acp-detail-image {
  aspect-ratio: 1.47;
  height: auto;
  object-fit: cover;
  transition: transform 350ms cubic-bezier(0.2, 0.7, 0.2, 1);
  width: 100%;
}

[data-artcenter-prototype] .acp-detail-image-link:hover .acp-detail-image {
  transform: scale(1.025);
}

[data-artcenter-prototype] .acp-detail-riso {
  aspect-ratio: 1.47;
  background: #e9ddd5;
  display: block;
  overflow: hidden;
  position: relative;
  width: 100%;
}

[data-artcenter-prototype] .acp-detail-riso .acp-riso-shape--one {
  left: -8%;
  top: 4%;
}

[data-artcenter-prototype] .acp-detail-riso .acp-riso-shape--two {
  right: -22%;
  top: 27%;
}

[data-artcenter-prototype] .acp-detail-riso .acp-riso-line {
  height: 0.65rem;
  left: 11%;
  top: 53%;
}

[data-artcenter-prototype] .acp-detail-meta {
  color: var(--acp-muted);
  display: flex;
  font-size: 0.59rem;
  gap: 0.35rem;
  margin-top: 0.55rem;
}

[data-artcenter-prototype] .acp-detail-copy {
  margin-top: 1.45rem;
}

[data-artcenter-prototype] .acp-detail-copy h3 {
  font-size: 2.1rem;
  line-height: 0.95;
  margin-top: 0.45rem;
}

[data-artcenter-prototype] .acp-detail-byline {
  font-size: 0.82rem;
  line-height: 1.5;
  margin-top: 0.65rem;
  max-width: 19rem;
}

[data-artcenter-prototype] .acp-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.95rem;
}

[data-artcenter-prototype] .acp-detail-tags span {
  background: rgba(233, 77, 122, 0.08);
  color: var(--acp-magenta);
  font-size: 0.57rem;
  padding: 0.35rem 0.45rem;
}

[data-artcenter-prototype] .acp-save-row {
  align-items: center;
  border-top: 1px solid var(--acp-line);
  display: flex;
  gap: 0.65rem;
  justify-content: space-between;
  margin-top: 1.25rem;
  padding-top: 0.85rem;
}

[data-artcenter-prototype] .acp-save-button,
[data-artcenter-prototype] .acp-primary-button,
[data-artcenter-prototype] .acp-secondary-button {
  align-items: center;
  border: 0;
  cursor: pointer;
  display: inline-flex;
  font-size: 0.7rem;
  gap: 0.4rem;
  justify-content: center;
  line-height: 1.2;
  min-height: 2.25rem;
  padding: 0.62rem 0.78rem;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

[data-artcenter-prototype] .acp-save-button,
[data-artcenter-prototype] .acp-primary-button {
  background: var(--acp-magenta);
  color: #fffaf4;
}

[data-artcenter-prototype] .acp-save-button:hover,
[data-artcenter-prototype] .acp-primary-button:hover {
  background: var(--acp-ink);
  transform: translateY(-1px);
}

[data-artcenter-prototype] .acp-save-button[aria-pressed="true"] {
  background: var(--acp-pink);
}

[data-artcenter-prototype] .acp-save-icon {
  font-size: 1rem;
  line-height: 0.8;
}

[data-artcenter-prototype] .acp-save-status {
  font-size: 0.61rem;
  line-height: 1.3;
  text-align: right;
}

[data-artcenter-prototype] .acp-auth-panel {
  background: var(--acp-panel-strong);
  border: 1px solid rgba(182, 54, 101, 0.28);
  box-shadow: 0 14px 28px rgba(55, 32, 36, 0.1);
  display: grid;
  gap: 0.7rem;
  grid-template-columns: auto minmax(0, 1fr);
  margin-top: 1.15rem;
  padding: 1rem;
}

[data-artcenter-prototype] .acp-failure-panel {
  background: #fff5ef;
  border: 1px solid rgba(207, 83, 81, 0.38);
  box-shadow: 0 14px 28px rgba(55, 32, 36, 0.1);
  display: grid;
  gap: 0.7rem;
  grid-template-columns: auto minmax(0, 1fr);
  margin-top: 1.15rem;
  padding: 1rem;
}

[data-artcenter-prototype] .acp-failure-mark {
  align-items: center;
  background: rgba(207, 83, 81, 0.13);
  border: 1px solid rgba(207, 83, 81, 0.28);
  border-radius: 50%;
  color: #b64243;
  display: flex;
  font-size: 0.9rem;
  font-weight: 700;
  height: 1.85rem;
  justify-content: center;
  width: 1.85rem;
}

[data-artcenter-prototype] .acp-failure-copy h4 {
  font-size: 1.05rem;
  line-height: 1.05;
  margin-top: 0.28rem;
}

[data-artcenter-prototype] .acp-failure-copy > p:last-child {
  font-size: 0.72rem;
  line-height: 1.5;
  margin-top: 0.45rem;
}

[data-artcenter-prototype] .acp-auth-mark {
  align-items: center;
  background: rgba(233, 77, 122, 0.1);
  border-radius: 50%;
  color: var(--acp-magenta);
  display: flex;
  font-size: 1.15rem;
  height: 1.85rem;
  justify-content: center;
  width: 1.85rem;
}

[data-artcenter-prototype] .acp-auth-copy h4 {
  font-size: 1.05rem;
  line-height: 1.05;
  margin-top: 0.28rem;
}

[data-artcenter-prototype] .acp-auth-copy > p:last-child {
  font-size: 0.72rem;
  line-height: 1.5;
  margin-top: 0.45rem;
}

[data-artcenter-prototype] .acp-auth-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  grid-column: 1 / -1;
  margin-top: 0.2rem;
}

[data-artcenter-prototype] .acp-secondary-button {
  background: transparent;
  border: 1px solid var(--acp-line);
  color: var(--acp-ink);
}

[data-artcenter-prototype] .acp-secondary-button:hover {
  border-color: var(--acp-magenta);
  color: var(--acp-magenta);
}

[data-artcenter-prototype] .acp-collection-head {
  align-items: end;
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
}

[data-artcenter-prototype] .acp-collection-count {
  color: var(--acp-muted);
  font-size: 0.64rem;
  white-space: nowrap;
}

[data-artcenter-prototype] .acp-empty-collection {
  align-items: center;
  background: var(--acp-panel);
  border: 1px dashed rgba(79, 59, 61, 0.27);
  display: flex;
  flex-direction: column;
  margin-top: 1.55rem;
  padding: 2rem 1.2rem 1.65rem;
  text-align: center;
}

[data-artcenter-prototype] .acp-empty-glyph {
  color: var(--acp-pink);
  font-size: 1.75rem;
}

[data-artcenter-prototype] .acp-empty-collection h4 {
  font-size: 1.25rem;
  line-height: 1;
  margin-top: 0.9rem;
}

[data-artcenter-prototype] .acp-empty-collection p {
  font-size: 0.76rem;
  line-height: 1.55;
  margin-top: 0.55rem;
  max-width: 16rem;
}

[data-artcenter-prototype] .acp-primary-button--wide {
  margin-top: 1.15rem;
  width: 100%;
}

[data-artcenter-prototype] .acp-saved-collection {
  margin-top: 1.55rem;
}

[data-artcenter-prototype] .acp-collection-label {
  color: var(--acp-magenta);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

[data-artcenter-prototype] .acp-saved-card {
  align-items: center;
  background: var(--acp-panel);
  border: 1px solid var(--acp-line);
  cursor: pointer;
  display: flex;
  gap: 0.75rem;
  margin-top: 0.65rem;
  padding: 0.6rem;
  text-align: left;
  transition: border-color 180ms ease, transform 180ms ease;
  width: 100%;
}

[data-artcenter-prototype] .acp-saved-card:hover {
  border-color: var(--acp-pink);
  transform: translateY(-1px);
}

[data-artcenter-prototype] .acp-saved-thumb {
  display: block;
  flex: 0 0 4.25rem;
  overflow: hidden;
  position: relative;
}

[data-artcenter-prototype] .acp-saved-thumb img {
  aspect-ratio: 1;
  height: 4.25rem;
  object-fit: cover;
  width: 4.25rem;
}

[data-artcenter-prototype] .acp-saved-thumb-riso {
  background: #e9ddd5;
  display: block;
  height: 4.25rem;
  overflow: hidden;
  position: relative;
  width: 4.25rem;
}

[data-artcenter-prototype] .acp-saved-thumb-riso .acp-riso-shape--one {
  height: 82%;
  left: -25%;
  top: 3%;
  width: 135%;
}

[data-artcenter-prototype] .acp-saved-thumb-riso .acp-riso-shape--two {
  height: 76%;
  right: -42%;
  top: 27%;
  width: 130%;
}

[data-artcenter-prototype] .acp-saved-thumb-riso .acp-riso-line {
  height: 0.25rem;
  left: 5%;
  top: 53%;
  width: 90%;
}

[data-artcenter-prototype] .acp-saved-check {
  align-items: center;
  background: var(--acp-pink);
  border-radius: 50%;
  bottom: 0.28rem;
  color: #fff;
  display: flex;
  font-size: 0.62rem;
  height: 1rem;
  justify-content: center;
  position: absolute;
  right: 0.28rem;
  width: 1rem;
}

[data-artcenter-prototype] .acp-saved-copy {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

[data-artcenter-prototype] .acp-saved-copy strong {
  font-size: 0.79rem;
  font-weight: 600;
}

[data-artcenter-prototype] .acp-saved-copy small,
[data-artcenter-prototype] .acp-saved-copy > span {
  color: var(--acp-muted);
  font-size: 0.61rem;
}

[data-artcenter-prototype] .acp-saved-copy > span {
  color: var(--acp-magenta);
  margin-top: 0.22rem;
}

[data-artcenter-prototype] .acp-collection-footnote {
  font-size: 0.63rem;
  margin-top: 1rem;
}

[data-artcenter-prototype] .acp-collection-footnote span {
  color: var(--acp-coral);
  margin-right: 0.2rem;
}

[data-artcenter-prototype] .acp-app-footer {
  border-top: 1px solid rgba(79, 59, 61, 0.1);
  color: var(--acp-muted);
  display: flex;
  font-size: 0.54rem;
  justify-content: space-between;
  letter-spacing: 0.03em;
  padding: 0.75rem 1.15rem 1rem;
}

[data-artcenter-prototype] .acp-demo-caption {
  align-items: center;
  display: flex;
  font-size: 0.7rem;
  gap: 0.4rem;
  margin-top: 1rem;
  max-width: 388px;
  width: 100%;
}

[data-artcenter-prototype] .acp-caption-pulse {
  background: var(--acp-pink);
  border-radius: 50%;
  flex: 0 0 0.38rem;
  height: 0.38rem;
}

[data-artcenter-prototype] .acp-noscript {
  border: 1px solid var(--acp-line);
  font-size: 0.8rem;
  margin-top: 1.5rem;
  padding: 1rem;
}

[data-artcenter-prototype] [hidden] {
  display: none !important;
}

@media (max-width: 900px) {
  [data-artcenter-prototype] .acp-prototype-workspace {
    gap: 3rem;
    grid-template-columns: minmax(210px, 0.8fr) minmax(300px, 1fr);
  }
}

@media (max-width: 760px) {
  [data-artcenter-prototype] {
    padding-left: 1.1rem;
    padding-right: 1.1rem;
  }

  [data-artcenter-prototype] .acp-prototype-intro {
    gap: 2rem;
    grid-template-columns: 1fr;
  }

  [data-artcenter-prototype] .acp-intro-facts {
    border-left: 0;
    border-top: 1px solid var(--acp-line);
    padding-left: 0;
    padding-top: 1.5rem;
  }

  [data-artcenter-prototype] .acp-prototype-workspace {
    gap: 2.75rem;
    grid-template-columns: 1fr;
  }

  [data-artcenter-prototype] .acp-stage-nav {
    max-width: none;
  }

  [data-artcenter-prototype] .acp-stage-heading h3 {
    max-width: 14ch;
  }

  [data-artcenter-prototype] .acp-step-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.35rem;
  }

  [data-artcenter-prototype] .acp-step-button {
    align-items: start;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    min-width: 0;
    padding: 0.75rem 0.5rem;
  }

  [data-artcenter-prototype] .acp-step-button:hover,
  [data-artcenter-prototype] .acp-step-button[aria-current="step"] {
    padding-left: 0.5rem;
  }

  [data-artcenter-prototype] .acp-step-copy small {
    display: block;
    font-size: 0.68rem;
    line-height: 1.25;
  }

  [data-artcenter-prototype] .acp-stage-note {
    display: none;
  }
}

@media (max-width: 420px) {
  [data-artcenter-prototype] .acp-demo-toolbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.65rem;
  }

  [data-artcenter-prototype] .acp-demo-toolbar-actions {
    justify-content: space-between;
    width: 100%;
  }

  [data-artcenter-prototype] .acp-phone-frame {
    border-radius: 2rem;
    border-width: 6px;
    padding: 0.4rem;
  }

  [data-artcenter-prototype] .acp-phone-screen {
    border-radius: 1.55rem;
  }

  [data-artcenter-prototype] .acp-app-header {
    gap: 0.3rem;
    padding-left: 0.9rem;
    padding-right: 0.9rem;
  }

  [data-artcenter-prototype] .acp-app-main {
    padding-left: 0.9rem;
    padding-right: 0.9rem;
  }

  [data-artcenter-prototype] .acp-app-footer {
    padding-left: 0.9rem;
    padding-right: 0.9rem;
  }

  [data-artcenter-prototype] .acp-tab {
    font-size: 0.59rem;
  }

  [data-artcenter-prototype] .acp-art-grid {
    gap: 0.52rem;
  }

  [data-artcenter-prototype] .acp-art-card-copy strong {
    font-size: 0.7rem;
  }

  [data-artcenter-prototype] .acp-save-row {
    align-items: start;
    flex-direction: column;
  }

  [data-artcenter-prototype] .acp-save-status {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-artcenter-prototype] *,
  [data-artcenter-prototype] *::before,
  [data-artcenter-prototype] *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* Keep the embedded product legible within the shared editorial layout. */
[data-artcenter-prototype] { margin: 0; padding: 2rem clamp(1rem, 3vw, 2.5rem); max-width: none; background: #f9f5f2; border: 1px solid var(--acp-line); overflow: visible; }
[data-artcenter-prototype] .acp-prototype-intro { display: block; border: 0; padding: 0 0 2rem; }
[data-artcenter-prototype] .acp-intro-copy h2 { max-width: 30ch; font-size: clamp(2rem, 3vw, 3rem); line-height: 1.08; text-wrap: balance; margin-top: .6rem; }
[data-artcenter-prototype] .acp-intro-lede { margin-top: .75rem; max-width: 62ch; font-size: 1rem; }
[data-artcenter-prototype] .acp-intro-facts { display: none; }
[data-artcenter-prototype] .acp-prototype-workspace { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(2rem, 4vw, 4rem); }
[data-artcenter-prototype] .acp-stage-heading h3 { max-width: 22ch; font-size: 2rem; line-height: 1.1; text-wrap: balance; }
[data-artcenter-prototype] .acp-demo-toolbar { flex-wrap: wrap; gap: .75rem; align-items: center; }
[data-artcenter-prototype] .acp-demo-toolbar p { font-size: .72rem; }
[data-artcenter-prototype] .acp-phone-frame { width: min(100%, 420px); border-width: 2px; border-radius: 2rem; padding: .25rem; background: var(--acp-ink); }
[data-artcenter-prototype] .acp-phone-speaker { display: none; }
[data-artcenter-prototype] .acp-phone-screen { border-radius: 1.65rem; }
[data-artcenter-prototype] .acp-phone-screen h3,
[data-artcenter-prototype] .acp-phone-screen h4 { font-family: "Clashgrotesk Variable", Arial, sans-serif; font-weight: 600; letter-spacing: -.035em; max-width: 100%; text-wrap: balance; }
[data-artcenter-prototype] .acp-phone-screen h3 { font-size: 1.75rem; line-height: 1.13; }
[data-artcenter-prototype] .acp-phone-screen h4 { font-size: 1.2rem; line-height: 1.2; }
[data-artcenter-prototype] .acp-phone-screen p { font-size: .88rem; line-height: 1.5; text-wrap: pretty; }
[data-artcenter-prototype] .acp-phone-screen .acp-screen-kicker { font-size: .65rem; }
[data-artcenter-prototype] .acp-phone-screen .acp-feed-footer,
[data-artcenter-prototype] .acp-phone-screen .acp-collection-footnote { font-size: .75rem; }
[data-artcenter-prototype] .acp-tab { font-size: .76rem; min-height: 2.5rem; }
[data-artcenter-prototype] .acp-tab-count { font-size: .7rem; }
[data-artcenter-prototype] .acp-app-header { grid-template-columns: auto 1fr; padding: 1rem; }
[data-artcenter-prototype] .acp-avatar { display: none; }
[data-artcenter-prototype] .acp-wordmark { font-size: 1rem; }
[data-artcenter-prototype] .acp-art-card-copy strong { font-size: .9rem; }
[data-artcenter-prototype] .acp-art-card-copy small { font-size: .75rem; }
[data-artcenter-prototype] .acp-save-button,
[data-artcenter-prototype] .acp-primary-button,
[data-artcenter-prototype] .acp-secondary-button { min-height: 44px; font-size: .85rem; padding: .7rem .9rem; }
[data-artcenter-prototype] .acp-save-button[aria-pressed="true"] { background: var(--acp-magenta); }
[data-artcenter-prototype] .acp-save-status { font-size: .76rem; }
[data-artcenter-prototype] .acp-reset-button,
[data-artcenter-prototype] .acp-error-preview-button { min-height: 44px; font-size: .75rem; }
[data-artcenter-prototype] .acp-back-link { min-height: 44px; font-size: .8rem; }
[data-artcenter-prototype] .acp-step-number { color: var(--acp-magenta); }
[data-artcenter-prototype] [hidden] { display: none !important; }
[data-artcenter-prototype] .acp-saved-item { padding-block: .75rem; border-bottom: 1px solid var(--acp-line); }
[data-artcenter-prototype] .acp-saved-remove { display: block; margin: .4rem 0 0 auto; background: transparent; color: var(--acp-ink); border: 0; border-bottom: 1px solid currentColor; min-height: 44px; font-size: .8rem; padding: .4rem; cursor: pointer; }
@media (max-width: 760px) {
  [data-artcenter-prototype] { padding: 1.1rem .75rem; }
  [data-artcenter-prototype] .acp-prototype-workspace { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
  [data-artcenter-prototype] .acp-step-list { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 1rem; }
  [data-artcenter-prototype] .acp-step-button { flex-direction: row; gap: .5rem; }
  [data-artcenter-prototype] .acp-step-copy strong { font-size: .95rem; }
  [data-artcenter-prototype] .acp-demo-toolbar { flex-direction: column; align-items: flex-start; }
  [data-artcenter-prototype] .acp-phone-frame { border-radius: 1.4rem; }
  [data-artcenter-prototype] .acp-phone-screen { border-radius: 1.1rem; }
  [data-artcenter-prototype] .acp-app-header { grid-template-columns: 1fr; gap: .5rem; }
  [data-artcenter-prototype] .acp-app-tabs { justify-content: space-between; gap: .75rem; }
  [data-artcenter-prototype] .acp-tab { flex: 1; }
  [data-artcenter-prototype] .acp-tab[aria-current="page"]::after { bottom: -.3rem; }
}