.design-page {
  overflow-x: visible;
}
.design-header {
  max-width: 1280px;
  margin: auto;
  padding: 22px 32px;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.design-layout {
  max-width: 1280px;
  margin: auto;
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 54px;
  padding: 40px 32px;
}
.design-layout aside {
  position: sticky;
  top: 24px;
  align-self: start;
}
.design-layout aside nav {
  display: flex;
  align-items: stretch;
  flex-direction: column;
  gap: 3px;
}
.design-layout aside a {
  min-height: 44px;
  font-size: 14px;
}
.design-layout main {
  min-width: 0;
  width: 100%;
  padding: 0;
}
.design-page section {
  padding: 0 0 48px;
  margin: 0 0 48px;
  border-bottom: 1px solid var(--border);
  scroll-margin-top: 24px;
}
.design-page h1 {
  font-size: 44px;
  letter-spacing: -0.04em;
  margin: 0 0 12px;
}
.design-page h2 {
  font-size: 28px;
  letter-spacing: -0.025em;
  margin: 0 0 12px;
}
.design-page h3 {
  font-size: 19px;
  margin: 28px 0 16px;
}
.design-page p {
  font-size: 15px;
  line-height: 1.7;
  max-width: 76ch;
}
.design-page .intro {
  font-size: 18px;
  color: var(--muted-foreground);
  margin-bottom: 32px;
}
.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.comparison > div {
  padding: 28px;
}
.comparison h2 {
  font-size: 22px;
}
.comparison .pecu {
  border-left: 1px solid var(--border);
}
.design-page .pecu-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 12px 18px;
  min-height: 44px;
  text-decoration: none;
  cursor: pointer;
}
.note {
  color: var(--muted-foreground);
  font-size: 13px !important;
}
.swatches {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 24px 0;
}
.swatch {
  padding: 0;
  background: none;
  border: 0;
  text-align: left;
  color: inherit;
  cursor: pointer;
  min-width: 0;
}
.swatch > span {
  display: block;
  height: 64px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 10px;
}
.swatch strong {
  display: block;
  font: 12px var(--font-mono);
  overflow-wrap: anywhere;
}
.swatch small {
  display: block;
  font: 11px/1.5 var(--font-mono);
  opacity: 0.75;
  margin-top: 5px;
  overflow-wrap: anywhere;
}
.table-wrap {
  overflow: auto;
  max-width: 100%;
}
.design-page table {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
}
.design-page th,
.design-page td {
  text-align: left;
  padding: 13px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.design-page th {
  font-weight: 600;
}
.design-page td code {
  white-space: normal;
  overflow-wrap: anywhere;
}
.design-page summary {
  padding: 14px 0;
  cursor: pointer;
  min-height: 44px;
  font-weight: 600;
}
.surface-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 24px;
}
.surface-example {
  padding: 24px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--card);
  box-shadow: var(--shadow-xs);
  line-height: 2;
}
.surface-example.tint {
  background: var(--accent);
}
.dark-example {
  background: var(--dark);
  color: var(--dark-foreground);
  border-color: var(--dark-border);
}
.agent-specimen {
  padding: 28px;
  border-radius: 22px;
}
.design-page button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.sample-chat {
  display: grid;
  gap: 24px;
}
.sample-chat > .pecu-bubble-user {
  justify-self: end;
  max-width: 85%;
}
.sample-chat form {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  padding: 14px !important;
  gap: 12px;
}
.sample-chat textarea {
  display: block;
  width: 100%;
  resize: vertical;
  background: none;
  border: 0;
  font: inherit;
  min-height: 70px;
  color: inherit;
}
.design-page label {
  display: block;
  font-size: 14px;
  margin: 12px 0 8px;
}
.design-page input,
.design-page select {
  font: inherit;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--foreground);
  max-width: 100%;
}
.design-page input {
  width: 100%;
  margin-bottom: 20px;
}
.design-page input:focus-visible,
.design-page select:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 3px;
}
.design-page select {
  margin-bottom: 16px;
}
.design-page .pecu-confirmation-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}
.design-page .pecu-error {
  margin-top: 18px;
}
.type-row {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  align-items: center;
  gap: 24px;
}
.type-row > span {
  font-size: 13px;
  color: var(--muted-foreground);
}
.asset-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.asset-grid figure {
  margin: 0;
}
.asset-grid img {
  width: 100%;
  height: 170px;
  object-fit: contain;
}
.asset-grid img.brand-icon {
  padding: 30px;
}
.asset-grid figcaption {
  font-size: 14px;
}
.guide {
  overflow-wrap: anywhere;
}
.guide h3 {
  margin-top: 38px;
}
.guide table {
  display: block;
  overflow: auto;
}
.guide li {
  font-size: 15px;
  line-height: 1.7;
  margin: 8px 0;
}
.design-page footer {
  display: block;
  font-size: 13px;
  margin-top: 20px;
}
.design-page #design-feedback:not(:empty) {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 20px;
  max-width: 90vw;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--background);
  box-shadow: var(--shadow-md);
  z-index: 10;
}
.design-page [hidden] {
  display: none !important;
}
@media (max-width: 900px) {
  .design-layout {
    grid-template-columns: 1fr;
    padding: 24px;
    gap: 24px;
  }
  .design-layout aside {
    position: static;
  }
  .design-layout aside nav {
    flex-direction: row;
    overflow: auto;
    gap: 20px;
  }
  .design-layout aside a {
    white-space: nowrap;
  }
  .design-header {
    padding: 18px 24px;
  }
  .swatches {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (max-width: 520px) {
  .design-layout {
    padding: 24px 16px;
  }
  .design-header {
    padding: 16px;
    gap: 14px;
  }
  .design-header nav {
    gap: 16px;
  }
  .comparison {
    grid-template-columns: 1fr;
  }
  .comparison .pecu {
    border-left: 0;
    border-top: 1px solid var(--border);
  }
  .comparison > div,
  .agent-specimen {
    padding: 20px;
  }
  .swatches {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .surface-row {
    grid-template-columns: 1fr;
  }
  .type-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .asset-grid {
    grid-template-columns: 1fr 1fr;
  }
  .design-page section {
    margin-bottom: 32px;
    padding-bottom: 32px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .design-page {
    scroll-behavior: auto;
  }
  .design-page * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}
.design-layout > aside {
  min-width: 0;
}
.design-layout > aside nav {
  max-width: 100%;
}
.design-page .comparison > div {
  min-width: 0;
}
.design-page .guide table {
  max-width: 100%;
}

.identity-specimen {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  align-items: center;
  gap: 32px;
  padding: 28px;
  background: var(--muted);
  border-radius: var(--clay-radius-large);
  box-shadow: var(--clay-shadow);
  margin: 32px 0;
}
.identity-specimen > img {
  width: 100%;
  height: 180px;
  object-fit: contain;
}
.identity-specimen h2 {
  font-size: 22px;
}
.design-page .agent-specimen {
  background: var(--muted);
  border-radius: var(--clay-radius-surface);
}
.safe-specimen {
  background: transparent;
}
.safe-specimen .pecu-profile-section h2 {
  font-size: 19px;
}
.safe-specimen svg.size-4 {
  width: 16px;
  height: 16px;
}
/* The reference page has no Tailwind, so the two utility classes the preview card uses are defined here. */
.agent-specimen svg.size-3\.5 {
  width: 14px;
  height: 14px;
}
.agent-specimen .animate-spin {
  animation: design-spin 1s linear infinite;
}
@keyframes design-spin {
  to {
    transform: rotate(360deg);
  }
}
.design-page .surface-example {
  border-radius: var(--clay-radius-surface);
  box-shadow: var(--clay-shadow-sm);
}
.design-page .swatch > span {
  border-radius: var(--clay-radius-control);
}
@media (max-width: 600px) {
  .identity-specimen {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 24px;
  }
  .identity-specimen > img {
    height: 160px;
  }
  .identity-specimen .actions {
    align-items: stretch;
  }
  .identity-specimen .button {
    flex: 1;
  }
}

.identity-specimen > img {
  mask-image: radial-gradient(
    ellipse 62% 58% at 50% 48%,
    black 55%,
    transparent 100%
  );
}

@media (max-width: 520px) {
  .identity-specimen .actions {
    flex-direction: column;
  }
  .identity-specimen .button {
    flex: none;
    width: 100%;
    white-space: nowrap;
  }
}