/* YukiUsa winter materials. Solid baseline, enhanced by optics.css when enabled.
   Native Liquid Glass APIs are not used. Solid surfaces are the baseline. */
:root {
  --lab-background: #eaf1f7;
  --lab-surface: #f8fbfe;
  --lab-elevated: #ffffff;
  --lab-text: #20364b;
  --lab-secondary: #52687c;
  --lab-accent: #236585;
  --lab-accent-fill: #245e7f;
  --lab-accent-text: #ffffff;
  --lab-hover: #e2edf5;
  --lab-active: #dbe9f3;
  --lab-border: #c9d7e3;
  --lab-highlight: rgb(255 255 255 / 92%);
  --lab-glass-regular: rgb(244 249 253 / 86%);
  --lab-glass-clear: rgb(243 249 255 / 66%);
  --lab-glass-fallback: #f0f6fb;
  --lab-glass-edge: rgb(255 255 255 / 85%);
  --lab-shadow:
    0 18px 50px -28px rgb(24 52 83 / 35%), 0 3px 9px rgb(24 52 83 / 5%);
  --lab-control-shadow:
    0 8px 28px -10px rgb(24 52 83 / 20%), inset 0 1px 0 var(--lab-highlight),
    inset 0 -1px 0 rgb(48 74 98 / 6%);
  --lab-radius-sm: 12px;
  --lab-radius: 22px;
  --lab-radius-lg: 32px;
  --lab-pill: 999px;
  --lab-space-1: 8px;
  --lab-space-2: 16px;
  --lab-space-3: 24px;
  --lab-space-4: 40px;
  --lab-blur: 18px;
  --lab-transition: 180ms cubic-bezier(0.2, 0.7, 0.2, 1);
  --bg: var(--lab-background);
  --surface: var(--lab-surface);
  --text: var(--lab-text);
  --muted: var(--lab-secondary);
  --accent: var(--lab-accent);
  --line: var(--lab-border);
  --soft: var(--lab-hover);
}
:root[data-theme="night"] {
  --lab-background: #0d1926;
  --lab-surface: #172737;
  --lab-elevated: #1b2f42;
  --lab-text: #e8f1f8;
  --lab-secondary: #b1c3d3;
  --lab-accent: #a7d8ef;
  --lab-accent-fill: #acd9ec;
  --lab-accent-text: #122d40;
  --lab-hover: #253c50;
  --lab-active: #304d63;
  --lab-border: #354b5f;
  --lab-highlight: rgb(221 240 255 / 18%);
  --lab-glass-regular: rgb(24 43 61 / 88%);
  --lab-glass-clear: rgb(26 47 68 / 72%);
  --lab-glass-fallback: #1b2f42;
  --lab-glass-edge: rgb(196 227 251 / 22%);
  --lab-shadow:
    0 20px 55px -25px rgb(0 5 15 / 65%), 0 3px 10px rgb(0 5 15 / 12%);
  --lab-control-shadow:
    0 10px 28px -12px rgb(0 5 15 / 55%), inset 0 1px 0 var(--lab-highlight),
    inset 0 -1px 0 rgb(0 0 0 / 15%);
  --bg: var(--lab-background);
  --surface: var(--lab-surface);
  --text: var(--lab-text);
  --muted: var(--lab-secondary);
  --accent: var(--lab-accent);
  --line: var(--lab-border);
  --soft: var(--lab-hover);
}
body {
  background:
    radial-gradient(ellipse at 8% 5%, var(--lab-hover), transparent 55%),
    var(--lab-background);
}
.signin-body {
  color: var(--lab-text);
}
.signin-body main {
  background: var(--lab-surface);
  border: 1px solid var(--lab-border);
  border-radius: var(--lab-radius-lg);
  box-shadow: var(--lab-shadow);
}
.signin-body :is(.button, button) {
  background: var(--lab-accent-fill);
  color: var(--lab-accent-text);
  border-radius: var(--lab-pill);
}
:is(a, button, input, select, textarea, summary):focus-visible {
  outline: 3px solid var(--lab-accent);
  outline-offset: 4px;
}
.ui-icon {
  width: 19px;
  height: 19px;
  flex: 0 0 auto;
  vertical-align: -0.2em;
}

/* GlassNavigation / GlassPanel / GlassPopover / GlassModal share one material. */
:is(
  .glass-navigation,
  .glass-panel,
  .glass-popover,
  .glass-modal,
  .header-inner,
  .mobile-nav,
  .studio-header,
  .journal-filters,
  .editor-toolbar,
  .editor-actions,
  .journal-lightbox,
  .trash-dialog,
  .article-toc
) {
  background: var(--lab-glass-fallback);
  border: 1px solid var(--lab-border);
  border-radius: var(--lab-radius);
  box-shadow: var(--lab-control-shadow);
  color: var(--lab-text);
}
@supports (
  (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))
) {
  :is(
    .glass-navigation,
    .glass-panel,
    .glass-popover,
    .glass-modal,
    .header-inner,
    .mobile-nav,
    .studio-header,
    .journal-filters,
    .editor-toolbar,
    .editor-actions,
    .journal-lightbox,
    .trash-dialog,
    .article-toc
  ) {
    background:
      linear-gradient(
        145deg,
        var(--lab-highlight),
        transparent 38%,
        transparent 76%,
        rgb(136 184 213 / 8%)
      ),
      var(--lab-glass-regular);
    border-color: var(--lab-glass-edge);
    -webkit-backdrop-filter: blur(var(--lab-blur)) saturate(1.25);
    backdrop-filter: blur(var(--lab-blur)) saturate(1.25);
  }
  .glass-clear {
    background-color: var(--lab-glass-clear);
  }
}

/* Floating navigation: a single material, no nested blur on its controls. */
.site-header {
  position: sticky;
  top: 16px;
  margin: 16px auto 0;
  width: min(1328px, calc(100% - 48px));
  background: transparent;
  border: 0;
}
.header-inner {
  max-width: none;
  min-height: 76px;
  padding: 12px 20px;
  gap: 20px;
}
.site-header .brand {
  font-size: 1.08rem;
  gap: 9px;
}
.site-header .brand svg {
  width: 28px;
  height: 32px;
}
.site-header .brand small {
  font-size: 0.56rem;
  margin-top: 5px;
}
.desktop-nav {
  gap: 2px;
  font-size: 0.8rem;
}
.desktop-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 8px 12px;
  border-radius: var(--lab-pill);
  white-space: nowrap;
  transition:
    background var(--lab-transition),
    color var(--lab-transition);
}
.desktop-nav .ui-icon {
  display: none;
}
.desktop-nav a:hover,
.mobile-nav a:hover {
  background: var(--lab-hover);
  text-decoration: none;
}
.desktop-nav a[aria-current],
.mobile-nav a[aria-current] {
  background: var(--lab-active);
  color: var(--lab-text);
  text-decoration: none;
  box-shadow: inset 0 1px 0 var(--lab-highlight);
}
.preferences {
  gap: 10px;
}
:is(.languages, .cover-settings nav, .studio-header nav, .segmented-control) {
  display: flex;
  gap: 2px;
  border-radius: var(--lab-pill);
  padding: 3px;
  background: rgb(91 130 158 / 10%);
}
:is(.languages, .cover-settings nav, .studio-header nav) a {
  min-width: 40px;
  min-height: 40px;
  padding: 8px;
  display: inline-grid;
  place-items: center;
  color: var(--lab-secondary);
  font-size: 0.72rem;
  border-radius: var(--lab-pill);
  transition:
    background var(--lab-transition),
    box-shadow var(--lab-transition);
}
:is(.languages, .studio-header nav) a[aria-current],
.cover-settings a[aria-current="true"] {
  background: var(--lab-elevated);
  color: var(--lab-text);
  text-decoration: none;
  box-shadow:
    0 2px 7px rgb(15 40 60 / 10%),
    inset 0 1px 0 var(--lab-highlight);
  opacity: 1;
}
.theme-toggle,
.menu-toggle {
  border: 0;
  width: 44px;
  height: 44px;
  min-height: 44px;
  padding: 10px;
  justify-content: center;
  border-radius: 50%;
  background: rgb(91 130 158 / 9%);
}
.theme-label {
  display: none;
}
.theme-toggle:hover,
.menu-toggle:hover {
  background: var(--lab-hover);
}
.menu-toggle {
  -webkit-appearance: none;
  appearance: none;
  flex: 0 0 44px;
  padding: 0;
  gap: 0;
  line-height: 1;
  justify-content: center;
}
.menu-toggle .ui-icon {
  display: block;
  width: 20px;
  height: 20px;
  margin: 0;
}
.mobile-nav {
  position: absolute;
  inset: 100% 0 auto;
  margin-top: 10px;
  padding: 14px;
  gap: 6px;
}
.mobile-nav a {
  display: flex;
  gap: 12px;
  align-items: center;
  border-radius: var(--lab-radius-sm);
  min-height: 48px;
  padding: 10px 14px;
}
.mobile-nav:not([hidden]) {
  animation: material-appear 180ms ease-out;
}
.no-script-nav {
  background: var(--lab-surface);
  border-radius: 16px;
}

/* GlassButton and shared states. Strong tint is reserved for primary actions. */
:is(.button, .glass-button, .cover-enter) {
  border-radius: var(--lab-pill);
  min-height: 48px;
  gap: 12px;
  border: 1px solid var(--lab-border);
  background: var(--lab-elevated);
  color: var(--lab-text);
  box-shadow:
    0 3px 8px rgb(26 49 75 / 6%),
    inset 0 1px 0 var(--lab-highlight);
  font-size: 0.88rem;
  font-weight: 700;
  transition:
    background var(--lab-transition),
    box-shadow var(--lab-transition),
    transform var(--lab-transition);
}
:is(.button, .glass-button, .cover-enter):hover {
  filter: none;
  text-decoration: none;
  background: var(--lab-hover);
  box-shadow: var(--lab-control-shadow);
}
:is(.button, .glass-button, .cover-enter):active {
  transform: scale(0.98);
}
.button.primary,
.home-hero .button.primary {
  color: var(--lab-accent-text);
  background: var(--lab-accent-fill);
  border-color: transparent;
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 22%),
    0 8px 20px -10px rgb(13 65 105 / 48%);
}
.button.primary:hover {
  filter: brightness(1.08);
}
.tags span,
.status-badge,
.language-badge {
  border-radius: var(--lab-pill);
  background: var(--lab-hover);
  border: 1px solid var(--lab-border);
}

/* Content: readable solid fallback. optics.css adds the optical window material. */
.wrap {
  max-width: 1248px;
  padding-inline: 40px;
}
.section {
  padding-block: 72px;
}
body[data-page] > main {
  padding-top: 20px;
}
.home-hero {
  margin: 0 24px;
  border-radius: var(--lab-radius-lg);
  min-height: 640px;
  box-shadow: var(--lab-shadow);
}
.home-hero .hero-inner {
  max-width: 1248px;
  min-height: 640px;
  padding: 78px 64px 30px;
}
.home-hero h1 {
  font-size: clamp(3.2rem, 6vw, 5.4rem);
  letter-spacing: -0.055em;
}
.home-hero .hero-tagline {
  font-size: 1.4rem;
  max-width: 500px;
}
.home-hero .hero-intro {
  max-width: 495px;
}
.home-hero .hero-foot {
  margin-top: 60px;
}
.hero-secondary {
  border-radius: var(--lab-pill);
}
.scene-controls {
  background: rgb(20 46 69 / 68%);
  color: #f3f8fc;
  padding: 5px 7px 5px 16px;
  border: 1px solid rgb(238 248 255 / 30%);
  border-radius: var(--lab-pill);
}
.scene-controls .hero-pause {
  border: 0;
  background: rgb(255 255 255 / 12%);
  width: 38px;
  height: 38px;
  min-height: 38px;
}
.window-panel,
.project-card,
.journal-card,
.article-paper {
  background: var(--lab-surface);
  border: 1px solid var(--lab-border);
  border-radius: var(--lab-radius-lg);
  box-shadow: var(--lab-shadow);
}
.window-panel {
  position: relative;
  overflow: clip;
}
.window-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 28px;
  border-bottom: 1px solid var(--lab-border);
  background: var(--lab-hover);
  color: var(--lab-secondary);
  font-size: 0.75rem;
}
.window-toolbar > span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.window-toolbar small {
  letter-spacing: 0.08em;
  font-size: 0.65rem;
}
.home-workspace {
  max-width: 1168px;
  /* Keep the About divider clear of the 42px snow caps on these windows. */
  margin: 64px auto 36px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 24px;
}
.home-workspace .section {
  padding: 36px;
  margin: 0;
  border: 0;
}
.home-workspace .research {
  display: block;
}
.home-workspace .research-body {
  padding-top: 12px;
}
.home-workspace h2 {
  font-size: 2rem;
}
.home-workspace .lead {
  font-size: 1rem;
}
.home-workspace .signal-sketch {
  margin-block: 26px;
}
.home-workspace .project-card {
  border: 0;
  border-radius: 0;
  box-shadow: none;
  display: block;
  background: none;
}
.home-workspace .project-art {
  display: grid;
  grid-template-columns: minmax(112px, 1fr) minmax(76px, 104px);
  grid-template-rows: auto 1fr;
  gap: 12px 16px;
  align-items: center;
  min-height: 210px;
  height: auto;
  padding: 24px;
  border-radius: 18px;
}
.home-workspace .project-art-kicker {
  grid-column: 1 / -1;
}
.home-workspace .project-wordmark {
  grid-column: 1;
  grid-row: 2;
  min-width: 0;
  margin: 0;
  font-size: clamp(2.1rem, 3.6vw, 2.6rem);
}
.home-workspace .triad-orbit {
  /* Reserve a real square: the old column flex layout shrank this to 2px. */
  grid-column: 2;
  grid-row: 2;
  width: calc(100% - 8px);
  height: auto;
  aspect-ratio: 1;
  margin: 20px 4px 10px;
  right: auto;
  top: auto;
}
.home-workspace .triad-orbit span:nth-child(1) {
  left: calc(50% - 17.5px);
}
.home-workspace .project-copy {
  padding: 26px 0 0;
}
.home-workspace .project-copy h3 {
  font-size: 1.5rem;
}
.home-workspace .section-heading {
  display: block;
  margin-bottom: 25px;
}
.home-workspace .section-heading > p {
  margin-top: 14px;
  font-size: 0.9rem;
}
.portal-about {
  padding-block: 70px;
}
.project-card {
  overflow: hidden;
}
.page-hero {
  padding-top: 46px;
  padding-bottom: 46px;
  border: 0;
}
.page-hero h1 {
  font-size: clamp(2.7rem, 5vw, 4.1rem);
}
.breadcrumb {
  margin-bottom: 25px;
  align-items: center;
}
.breadcrumb a {
  padding: 6px 13px;
  border-radius: var(--lab-pill);
  background: var(--lab-surface);
  border: 1px solid var(--lab-border);
}
.page-hero .lead {
  max-width: 690px;
  font-size: 1.05rem;
}
.research-overview,
.project-case {
  padding-top: 35px;
}
.research-context {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.research-context > div,
.detail-grid > div,
.feature-grid > div,
.status-panel {
  background: var(--lab-surface);
  border: 1px solid var(--lab-border);
  border-radius: var(--lab-radius);
  padding: 30px;
}
.detail-grid {
  gap: 24px;
}
.research-context h2,
.feature-grid h3 {
  font-size: 1.25rem;
}
.research-context p,
.detail-grid p {
  font-size: 0.98rem;
}
.method-band,
.future-band {
  background: var(--lab-hover);
  border: 0;
  margin-inline: 24px;
  border-radius: var(--lab-radius-lg);
}
.research-question {
  background: var(--lab-elevated);
  border-radius: var(--lab-radius-lg);
  box-shadow: var(--lab-shadow);
}
.research-flow {
  border-radius: var(--lab-radius);
}
.research-flow li {
  background: var(--lab-surface);
}
.topic-list {
  background: var(--lab-surface);
  border-radius: var(--lab-radius);
  border: 1px solid var(--lab-border);
  overflow: hidden;
  padding-inline: 26px;
}
.topic-list li:last-child {
  border-bottom: 0;
}
.topic-list li > span {
  border-radius: 9px;
  background: var(--lab-hover);
  padding: 5px 9px;
  font-size: 0.7rem;
}
.video-note,
.video-preview,
.hobby-landscape {
  border-radius: var(--lab-radius);
  overflow: hidden;
}
.business {
  background: var(--lab-hover);
  margin-inline: 24px;
  border-radius: var(--lab-radius-lg);
}
.latest-updates ol {
  background: var(--lab-surface);
  border: 1px solid var(--lab-border);
  border-radius: var(--lab-radius);
  padding-inline: 28px;
}
.latest-updates li:last-child {
  border-bottom: 0;
}
.site-footer {
  margin: 32px 24px 20px;
  border: 1px solid var(--lab-border);
  border-radius: var(--lab-radius-lg);
  background: var(--lab-surface);
}
.footer-top {
  border-bottom: 1px solid var(--lab-border);
}
.footer-bottom {
  border: 0;
}
.credits[open] {
  border-radius: 16px;
  background: var(--lab-elevated);
  padding: 14px;
  border: 1px solid var(--lab-border);
}
.snow-toggle {
  border-radius: var(--lab-pill);
  background: var(--lab-hover);
}

/* Journal workspace and dialogs use the same tokens, including the private editor. */
body[data-page="journal"] .journal-filters {
  padding: 20px;
  border-radius: var(--lab-radius);
}
body[data-page="journal"] .journal-filters :is(input, select) {
  background: var(--lab-surface);
  border-radius: var(--lab-radius-sm);
}
body[data-page="journal"] .journal-empty {
  border: 1px solid var(--lab-border);
  border-radius: var(--lab-radius-lg);
  background: var(--lab-surface);
}
body[data-page="journal"] .article-paper {
  background: var(--lab-surface);
  color: var(--lab-text);
  border-radius: var(--lab-radius-lg);
}
body[data-page="journal"] .article-toc {
  padding: 20px;
  top: 114px;
}
.article-toc a {
  border-radius: 8px;
  padding: 7px 9px;
}
.article-toc a:hover {
  background: var(--lab-hover);
}
body[data-page="journal"] .article-hero {
  padding-top: 50px;
}
.journal-lightbox[open],
.trash-dialog[open] {
  animation: material-appear 180ms ease-out;
}
.journal-lightbox::backdrop,
.trash-dialog::backdrop {
  background: rgb(6 19 32 / 65%);
}
.journal-lightbox {
  border: 1px solid var(--lab-glass-edge);
}
.studio-header {
  position: sticky;
  z-index: 20;
  top: 16px;
  margin: 16px 24px 0;
  padding: 10px 22px;
}
.admin-body .studio-main {
  max-width: 1200px;
  padding-top: 40px;
}
.admin-body :is(#dashboard, #editor) {
  background: var(--lab-surface);
  border: 1px solid var(--lab-border);
  border-radius: var(--lab-radius-lg);
  padding: 32px;
  box-shadow: var(--lab-shadow);
}
.admin-body .studio-stats > div {
  background: var(--lab-elevated);
  border-radius: 18px;
}
.admin-body .editor-toolbar {
  position: sticky;
  top: 112px;
  padding: 8px;
  gap: 4px;
  z-index: 8;
  border-radius: 16px;
}
.admin-body .editor-toolbar button {
  background: transparent;
  border: 0;
  border-radius: 10px;
}
.admin-body .editor-toolbar button:hover {
  background: var(--lab-hover);
}
.admin-body .editor-actions {
  bottom: 16px;
  padding: 12px;
  border-radius: var(--lab-pill);
}
.admin-body #editor-content {
  background: var(--lab-elevated);
  border-radius: 0 0 18px 18px;
}
.admin-body .trash-dialog {
  padding: 28px;
  border: 1px solid var(--lab-border);
  color: var(--lab-text);
}

/* Cover: clear controls over the winter scene, an opaque fallback when needed. */
.intro-body {
  --cover-muted: var(--lab-text);
  background: var(--lab-background);
  color: var(--lab-text);
}
.intro-body .cover-settings {
  padding: 5px;
  gap: 3px;
  border-radius: var(--lab-pill);
}
.intro-body .cover-settings nav {
  background: transparent;
  padding: 0;
}
.intro-body .cover-settings a::after {
  display: none;
}
.intro-body .cover-settings a {
  opacity: 1;
  min-width: 44px;
  min-height: 44px;
}
.intro-body #cover-theme {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
  color: var(--lab-text);
}
.intro-body .cover-divider {
  margin: 0 4px;
}
.intro-body .cover-emblem {
  border-radius: 38px;
  width: 144px;
  height: 144px;
  background: var(--lab-glass-fallback);
  border: 1px solid var(--lab-glass-edge);
  box-shadow: var(--lab-control-shadow);
  color: var(--lab-text);
}
.intro-body .emblem-orbit,
.intro-body .emblem-node {
  display: none;
}
.intro-body .cover-emblem svg {
  width: 86px;
  height: 86px;
  filter: none;
}
.intro-body .cover-enter {
  padding: 12px 26px;
  min-width: 172px;
  min-height: 54px;
  margin-top: 4px;
  background: var(--lab-glass-fallback);
  border: 1px solid var(--lab-glass-edge);
  box-shadow: var(--lab-control-shadow);
  color: var(--lab-text);
}
.intro-body .cover-enter:hover {
  gap: 18px;
}
.intro-body .cover-title h1 {
  letter-spacing: -0.035em;
  font-weight: 700;
}
.intro-body .cover-kicker {
  font-size: 9px;
  letter-spacing: 0.19em;
}
.intro-body .cover-art {
  opacity: 0.62;
}
.intro-body #cover-motion {
  border-radius: 50%;
  background: var(--lab-glass-fallback);
  color: var(--lab-text);
  border: 1px solid var(--lab-glass-edge);
  box-shadow: var(--lab-control-shadow);
}
.cover-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 2400ms ease;
}
.cover-photo.is-active {
  opacity: 0.62;
}
.cover-parallax:has(.cover-photo.is-active) .cover-art {
  opacity: 0;
}
.intro-body .cover-art {
  transition: opacity 2400ms ease;
}
@supports (
  (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))
) {
  .intro-body :is(.cover-emblem, .cover-enter, #cover-motion) {
    background:
      linear-gradient(145deg, var(--lab-highlight), transparent 45%),
      var(--lab-glass-clear);
    -webkit-backdrop-filter: blur(12px) saturate(1.25);
    backdrop-filter: blur(12px) saturate(1.25);
  }
}
@keyframes material-appear {
  from {
    opacity: 0;
    translate: 0 -5px;
  }
  to {
    opacity: 1;
    translate: 0 0;
  }
}
@media (hover: hover) and (pointer: fine) {
  .journal-card {
    transition:
      transform var(--lab-transition),
      box-shadow var(--lab-transition);
  }
  .journal-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 24px 50px -24px rgb(15 43 70 / 28%);
  }
}
@media (max-width: 1199px) {
  .site-header .mobile-nav:not([hidden]) {
    display: grid !important;
  }
  .desktop-nav {
    display: none;
  }
  .menu-toggle {
    display: inline-grid;
    place-items: center;
  }
  .header-inner {
    gap: 16px;
  }
  .home-workspace {
    margin-inline: 40px;
  }
  .research-context {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 800px) {
  .site-header {
    width: calc(100% - 32px);
    top: 12px;
    margin-top: 12px;
  }
  .header-inner {
    min-height: 72px;
    padding: 9px 14px;
    gap: 12px;
  }
  .home-hero {
    margin-inline: 16px;
  }
  .home-hero .hero-inner {
    padding: 62px 36px 30px;
  }
  .home-workspace {
    grid-template-columns: 1fr;
    margin-inline: 32px;
  }
  .detail-split,
  .detail-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .research-context {
    grid-template-columns: 1fr;
  }
  .method-band,
  .future-band,
  .business,
  .site-footer {
    margin-inline: 16px;
  }
  .wrap {
    padding-inline: 32px;
  }
  .mobile-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .studio-header {
    margin-inline: 16px;
    top: 10px;
  }
  .admin-body .editor-toolbar {
    top: 118px;
  }
}
@media (max-width: 600px) {
  :root {
    --lab-radius-lg: 25px;
    --lab-radius: 18px;
  }
  .site-header {
    width: calc(100% - 20px);
    margin-top: 10px;
    top: 10px;
  }
  .header-inner {
    padding: 9px 10px;
    gap: 6px;
    min-height: 64px;
    border-radius: 23px;
  }
  .site-header .brand {
    font-size: 0.87rem;
    gap: 5px;
  }
  .site-header .brand svg {
    width: 23px;
    height: 30px;
  }
  .site-header .brand small {
    display: none;
  }
  .site-header .brand-lab {
    font-size: 0.87rem;
  }
  .preferences {
    gap: 3px;
  }
  .languages {
    padding: 2px;
    gap: 0;
  }
  .site-header .languages a {
    min-width: 32px;
    min-height: 44px;
    font-size: 0.65rem;
    padding: 7px 5px;
  }
  .theme-toggle,
  .menu-toggle {
    width: 44px;
    height: 44px;
    min-width: 44px;
    padding: 8px;
  }
  .menu-toggle {
    padding: 0;
  }
  .mobile-nav {
    grid-template-columns: 1fr 1fr;
    padding: 10px;
    font-size: 0.84rem;
  }
  .mobile-nav a {
    padding: 8px;
    gap: 9px;
  }
  body[data-page] > main {
    padding-top: 14px;
  }
  .home-hero {
    margin-inline: 10px;
    min-height: 670px;
  }
  .home-hero .hero-inner {
    min-height: 670px;
    padding: 50px 23px 26px;
  }
  .home-hero h1 {
    font-size: clamp(3.1rem, 13vw, 4rem);
    line-height: 1.12;
  }
  .home-hero .hero-tagline {
    font-size: 1.18rem;
  }
  .home-hero .hero-intro {
    font-size: 0.93rem;
  }
  .home-hero .hero-actions {
    gap: 12px;
    flex-wrap: wrap;
  }
  .home-hero .hero-actions .button {
    padding-inline: 19px;
  }
  .home-hero .hero-foot {
    margin-top: 36px;
    align-items: flex-start;
    gap: 16px;
    flex-direction: column;
  }
  .scene-controls {
    font-size: 0.64rem;
  }
  .wrap {
    padding-inline: 24px;
  }
  .section {
    padding-block: 48px;
  }
  .home-workspace {
    margin-inline: 16px;
    gap: 20px;
  }
  .home-workspace .section {
    padding: 25px;
  }
  .window-toolbar {
    padding: 15px 22px;
  }
  .window-toolbar small {
    display: none;
  }
  .page-hero {
    padding-top: 30px;
    padding-bottom: 30px;
  }
  .page-hero h1 {
    font-size: 2.65rem;
  }
  .page-hero .lead {
    font-size: 0.98rem;
  }
  .detail-grid > div,
  .research-context > div,
  .feature-grid > div {
    padding: 24px;
  }
  .method-band .wrap,
  .future-band .wrap,
  .business .wrap {
    padding-inline: 23px;
  }
  .topic-list {
    padding-inline: 20px;
  }
  .site-footer .wrap {
    padding-inline: 22px;
  }
  .admin-body .studio-main {
    padding: 24px 12px 60px;
  }
  .admin-body :is(#dashboard, #editor) {
    padding: 20px;
    border-radius: 20px;
  }
  .studio-header {
    margin: 10px 10px 0;
    padding: 8px 12px;
    gap: 8px;
  }
  .studio-brand {
    width: 100%;
  }
  .admin-body .editor-toolbar {
    position: static;
  }
  .admin-body .editor-actions {
    bottom: 8px;
    border-radius: 18px;
    flex-wrap: wrap;
  }
  .intro-body .cover-settings {
    padding: 3px;
  }
  .intro-body .cover-header {
    padding-inline: 16px;
  }
  .intro-body .cover-emblem {
    width: 124px;
    height: 124px;
    border-radius: 32px;
  }
  .intro-body .cover-emblem svg {
    width: 74px;
    height: 74px;
  }
  .intro-body .cover-title {
    top: 46%;
  }
}
@media (max-height: 540px) and (orientation: landscape) {
  .intro-body .cover-emblem {
    width: 64px;
    height: 64px;
    border-radius: 19px;
    margin-bottom: 12px;
  }
  .intro-body .cover-emblem svg {
    width: 42px;
    height: 42px;
  }
  .intro-body .cover-enter {
    min-height: 44px;
    padding-block: 8px;
  }
  .intro-body .cover-title {
    top: 52%;
  }
}
/* Low-power preferences and unsupported blur retain the same usable hierarchy. */
@media (prefers-reduced-transparency: reduce),
  (prefers-contrast: more),
  (update: slow) {
  :is(
    .glass-navigation,
    .glass-panel,
    .glass-popover,
    .glass-modal,
    .header-inner,
    .mobile-nav,
    .studio-header,
    .journal-filters,
    .editor-toolbar,
    .editor-actions,
    .journal-lightbox,
    .trash-dialog,
    .article-toc
  ),
  .intro-body :is(.cover-emblem, .cover-enter, #cover-motion) {
    background: var(--lab-glass-fallback);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    border-color: var(--lab-border);
  }
}
:root[data-effects="simple"]
  :is(
    .glass-navigation,
    .glass-panel,
    .glass-popover,
    .glass-modal,
    .header-inner,
    .mobile-nav,
    .studio-header,
    .journal-filters,
    .editor-toolbar,
    .editor-actions,
    .journal-lightbox,
    .trash-dialog,
    .article-toc,
    .cover-emblem,
    .cover-enter,
    #cover-motion
  ) {
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  background: var(--lab-glass-fallback);
}
:root[data-effects="simple"] :is(.cover-art, .cover-parallax) {
  animation: none;
  transform: none;
}
@media (prefers-reduced-motion: reduce), (update: slow) {
  :is(
    .project-card,
    .journal-card,
    .button,
    .glass-button,
    .cover-enter,
    .cover-photo,
    .cover-art,
    .mobile-nav,
    .journal-lightbox,
    .trash-dialog
  ) {
    animation: none !important;
    transition: none !important;
    transform: none;
  }
}
@media (forced-colors: active) {
  :is(
    .header-inner,
    .mobile-nav,
    .button,
    .cover-enter,
    .cover-emblem,
    .window-panel,
    .article-paper,
    .glass-panel
  ) {
    background: Canvas;
    color: CanvasText;
    border: 1px solid CanvasText;
    box-shadow: none;
    backdrop-filter: none;
  }
}