/* Shared light interface for every New Energy Engineering secondary surface. */
:root {
  color-scheme: light;
  --apple-bg: #e7edf3;
  --apple-canvas: #dce6ee;
  --apple-glass: rgba(243, 247, 250, 0.8);
  --apple-glass-strong: rgba(248, 250, 252, 0.92);
  --apple-ink: #132f4d;
  --apple-text: #294762;
  --apple-muted: #637d96;
  --apple-line: rgba(66, 105, 143, 0.18);
  --apple-line-strong: rgba(27, 112, 201, 0.34);
  --apple-blue: #0878e5;
  --apple-blue-strong: #0064d7;
  --apple-cyan: #35b8f2;
  --apple-green: #189b73;
  --apple-warm: #a56d2e;
  --apple-shadow: 0 22px 58px rgba(58, 91, 126, 0.13), 0 2px 10px rgba(58, 91, 126, 0.05);
  --apple-shadow-soft: 0 10px 30px rgba(58, 91, 126, 0.09);
  --apple-radius: 22px;
  --apple-radius-small: 14px;
  --bg: var(--apple-bg);
  --panel: var(--apple-glass);
  --ink: var(--apple-ink);
  --text: var(--apple-ink);
  --muted: var(--apple-muted);
  --line: var(--apple-line);
  --accent: var(--apple-blue);
  --cyan: var(--apple-blue);
  --ice: var(--apple-blue);
  --gold: var(--apple-warm);
}

html {
  background: var(--apple-bg);
}

body {
  min-width: 320px;
  color: var(--apple-ink);
  background:
    radial-gradient(circle at 76% 5%, rgba(102, 181, 226, 0.24), transparent 28%),
    radial-gradient(circle at 8% 86%, rgba(175, 202, 224, 0.48), transparent 31%),
    linear-gradient(145deg, #eef2f5 0%, #e5ebf1 52%, #dce6ee 100%);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(rgba(73, 129, 181, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(73, 129, 181, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse at 50% 25%, #000 0, transparent 72%);
}

::selection {
  color: #fff;
  background: var(--apple-blue);
}

a,
button,
input,
select,
textarea,
summary {
  -webkit-tap-highlight-color: transparent;
}

a,
button {
  transition:
    color 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    box-shadow 220ms cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1),
    opacity 180ms ease;
}

button:not(:disabled):active,
a:active {
  transform: scale(0.985);
}

:is(button, a, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 3px solid rgba(10, 132, 255, 0.48) !important;
  outline-offset: 3px !important;
  box-shadow: 0 0 0 5px rgba(10, 132, 255, 0.11) !important;
}

button:disabled,
input:disabled,
select:disabled {
  cursor: default;
  opacity: 0.42;
}

input:is([type="search"], [type="text"], [type="number"]),
select,
textarea {
  color: var(--apple-ink) !important;
  border: 1px solid var(--apple-line) !important;
  border-radius: 12px !important;
  background: rgba(255, 255, 255, 0.76) !important;
  box-shadow: inset 0 1px 0 #fff, 0 4px 14px rgba(62, 94, 126, 0.04);
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

input:is([type="search"], [type="text"], [type="number"]):focus,
select:focus,
textarea:focus {
  border-color: rgba(0, 113, 227, 0.48) !important;
  background: #fff !important;
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.09) !important;
}

input::placeholder,
textarea::placeholder {
  color: #8398aa !important;
}

input[type="range"] {
  accent-color: var(--apple-blue) !important;
}

/* Shared top chrome. */
body[data-surface="catalog"] > .masthead,
body[data-surface="workbench"] > header,
body[data-surface="assets"] > header,
body[data-surface="knowledge"] > header,
body[data-surface="virtual-lab"] > header,
body[data-surface="tesla"] .tesla-masthead {
  z-index: 50;
  margin: 14px clamp(14px, 2.4vw, 42px) 0;
  color: var(--apple-ink);
  border: 1px solid rgba(255, 255, 255, 0.92) !important;
  border-radius: 999px;
  background: rgba(238, 243, 247, 0.8) !important;
  box-shadow: 0 14px 42px rgba(63, 96, 130, 0.1), inset 0 1px 0 #fff;
  backdrop-filter: blur(24px) saturate(1.25);
  -webkit-backdrop-filter: blur(24px) saturate(1.25);
}

body[data-surface="catalog"] .university-mark #university-wordmark,
body[data-surface="catalog"] .university-mark g[id="university-wordmark"] {
  fill: #153f6d !important;
}

body[data-surface] :is(header, .masthead) nav {
  gap: 4px;
}

body[data-surface] :is(header, .masthead) nav :is(a, button),
body[data-surface] .back-link {
  min-height: 38px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #42627f;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
}

body[data-surface] :is(header, .masthead) nav :is(a, button):hover,
body[data-surface] .back-link:hover {
  color: #075ba9;
  border-color: rgba(44, 124, 201, 0.15);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 7px 18px rgba(49, 102, 155, 0.09);
}

body[data-surface] :is(header, .masthead) nav :is([aria-current], [aria-pressed="true"], .active) {
  color: #075ba9;
  border-color: rgba(38, 120, 204, 0.14);
  background: #fff;
  box-shadow: 0 7px 20px rgba(54, 102, 150, 0.11);
}

body[data-surface] :is(.platform-access, .platform-access-menu) {
  color: #42627f !important;
  border-color: rgba(255, 255, 255, 0.9) !important;
  background: rgba(248, 251, 255, 0.84) !important;
  box-shadow: var(--apple-shadow-soft) !important;
  backdrop-filter: blur(22px) saturate(1.2);
  -webkit-backdrop-filter: blur(22px) saturate(1.2);
}

/* Shared glass surfaces and controls. */
body[data-surface] :is(
  .sidebar,
  .toolbar,
  .advanced-popover,
  .domain-hero,
  .card,
  .resume,
  aside,
  .controls,
  .selected,
  .selection,
  .catalog,
  .preview,
  .inspector,
  .hero,
  .course-card,
  .contents,
  article,
  .related,
  .experiment-nav,
  .scene-panel,
  .energy-panel,
  .prediction-panel,
  .chart-panel,
  .notebook,
  .control-panel,
  .tesla-details,
  .tesla-collection
) {
  color: var(--apple-ink);
  border-color: var(--apple-line) !important;
  background-color: var(--apple-glass) !important;
  box-shadow: var(--apple-shadow-soft);
  backdrop-filter: blur(20px) saturate(1.18);
  -webkit-backdrop-filter: blur(20px) saturate(1.18);
}

body[data-surface] :is(.card, .course-card, .model-card, .asset-card, .tesla-model-card) {
  border-radius: 18px !important;
  overflow: hidden;
}

body[data-surface] :is(.card, .course-card, .model-card, .asset-card, .tesla-model-card):hover {
  border-color: rgba(35, 119, 201, 0.28) !important;
  background-color: rgba(255, 255, 255, 0.94) !important;
  box-shadow: 0 18px 42px rgba(52, 92, 132, 0.14);
  transform: translateY(-3px);
}

body[data-surface] :is(.tabs, .course-tabs, .category-tabs, .modes, .mode-switch, .learning-path, .view-actions) {
  padding: 5px;
  gap: 4px;
  border: 1px solid rgba(62, 108, 152, 0.11);
  border-radius: 999px;
  background: rgba(226, 234, 244, 0.68) !important;
  box-shadow: inset 0 1px 2px rgba(58, 91, 126, 0.05);
}

body[data-surface] :is(.tabs, .course-tabs, .category-tabs, .modes, .mode-switch, .learning-path, .view-actions) :is(button, a) {
  color: #57728c;
  border-color: transparent !important;
  border-radius: 999px !important;
  background: transparent !important;
  box-shadow: none;
}

body[data-surface] :is(.tabs, .course-tabs, .category-tabs, .modes, .mode-switch, .learning-path, .view-actions) :is(button, a):is(.active, [aria-pressed="true"], [aria-selected="true"], [aria-current]) {
  color: #0866bf !important;
  background: #fff !important;
  box-shadow: 0 6px 18px rgba(52, 95, 140, 0.12) !important;
}

body[data-surface] button:not(.plain):not(.icon-button) {
  color: #3f617f;
  border-color: var(--apple-line);
  border-radius: 12px;
}

body[data-surface] button:not(:disabled):hover {
  color: #075cae;
  border-color: rgba(20, 110, 199, 0.25);
  background-color: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 20px rgba(51, 99, 146, 0.11);
}

body[data-surface] :is(button, a):is(.primary, .enter, .download, #portal-enter) {
  color: #fff !important;
  border-color: rgba(19, 109, 211, 0.25) !important;
  background: linear-gradient(135deg, #45aaf8, #076fe1) !important;
  box-shadow: 0 12px 27px rgba(15, 111, 219, 0.25) !important;
}

body[data-surface] :is(p, small, .muted, .description, .hint, .note) {
  color: var(--apple-muted);
}

body[data-surface] :is(h1, h2, h3, h4, strong, b) {
  color: var(--apple-ink);
}

body[data-surface] :is(.eyebrow, .kicker, .section-label, .domain-code, .label) {
  color: #3679b8;
}

dialog {
  color: var(--apple-ink) !important;
  border: 1px solid rgba(255, 255, 255, 0.94) !important;
  border-radius: 24px !important;
  background: rgba(251, 253, 255, 0.94) !important;
  box-shadow: 0 34px 100px rgba(26, 52, 80, 0.25) !important;
  backdrop-filter: blur(28px) saturate(1.2);
  -webkit-backdrop-filter: blur(28px) saturate(1.2);
}

dialog::backdrop {
  background: rgba(209, 220, 232, 0.55) !important;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* Assembly workbench. */
body[data-surface="workbench"] {
  color: var(--apple-ink) !important;
  background:
    radial-gradient(circle at 78% 4%, rgba(126, 204, 255, 0.24), transparent 30%),
    radial-gradient(circle at 4% 88%, rgba(204, 226, 245, 0.46), transparent 32%),
    linear-gradient(145deg, #fbfdff 0%, #f3f7fb 54%, #eaf2f8 100%) !important;
}

body[data-surface="workbench"] > header :is(.brand, nav a, nav button) {
  color: #294762 !important;
}

body[data-surface="workbench"] > header .brand {
  font-weight: 720;
}

body[data-surface="workbench"] > header .brand small,
body[data-surface="workbench"] .breadcrumb-separator {
  color: #6b8298 !important;
}

body[data-surface="workbench"] #catalog-return {
  color: #0868c4 !important;
}

body[data-surface="workbench"] .layout > aside {
  margin: 12px 0 14px 14px;
  border: 1px solid rgba(255, 255, 255, 0.92) !important;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.72) !important;
  box-shadow: var(--apple-shadow-soft);
}

body[data-surface="workbench"] :is(#course, #counts, #search-count, .side-note) {
  color: #6b8298 !important;
}

body[data-surface="workbench"] #detail {
  color: #2e6fa9 !important;
  border-color: rgba(35, 119, 201, 0.22) !important;
  border-radius: 10px;
  background: rgba(231, 243, 253, 0.82);
}

body[data-surface="workbench"] #tree summary {
  color: #31516e;
  border-color: rgba(66, 105, 143, 0.15);
}

body[data-surface="workbench"] #tree summary::before {
  color: #0a74d7;
}

body[data-surface="workbench"] .side-note {
  border-color: rgba(66, 105, 143, 0.15);
  background: rgba(246, 250, 253, 0.68);
}

body[data-surface="workbench"] .layout > main {
  margin: 12px 14px 14px 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 24px;
  background: rgba(238, 244, 250, 0.78);
  box-shadow: var(--apple-shadow);
}

body[data-surface="workbench"] #viewport {
  overflow: hidden;
  border-radius: 20px 20px 0 0;
  background: radial-gradient(ellipse at 50% 28%, #fdfefe, #dfe9f2 72%) !important;
}

body[data-surface="workbench"] .hint,
body[data-surface="workbench"] .selected,
body[data-surface="workbench"] #loading,
body[data-surface="workbench"] #operation-toast {
  color: #526f89 !important;
  border-color: rgba(66, 105, 143, 0.17) !important;
  background: rgba(255, 255, 255, 0.82) !important;
  box-shadow: 0 12px 32px rgba(57, 91, 125, 0.11);
  backdrop-filter: blur(18px) saturate(1.18);
  -webkit-backdrop-filter: blur(18px) saturate(1.18);
}

body[data-surface="workbench"] :is(#empty, #part-module, .load-card p) {
  color: #6b8298 !important;
}

body[data-surface="workbench"] :is(#part-id, #part-state, output) {
  color: #0868c4 !important;
}

body[data-surface="workbench"] .load-card h2 {
  color: var(--apple-ink) !important;
}

body[data-surface="workbench"] .load-progress {
  border-color: rgba(46, 111, 169, 0.16);
  border-top-color: #0a84ff;
}

body[data-surface="workbench"] :is(.part, .part-row) {
  color: #4f6c87;
  border-radius: 11px !important;
  background: transparent !important;
}

body[data-surface="workbench"] :is(.part, .part-row):is(.is-selected, [aria-pressed="true"]) {
  color: #075dab !important;
  background: rgba(220, 238, 253, 0.9) !important;
  box-shadow: inset 3px 0 #0a84ff;
}

body[data-surface="workbench"] :is(.controls, .bottom, #status) {
  color: #526f89 !important;
  border-color: var(--apple-line) !important;
  background: rgba(255, 255, 255, 0.82) !important;
}

body[data-surface="workbench"] .metric strong {
  color: #0a589f !important;
}

body[data-surface="workbench"] .extra-metrics {
  color: #526f89;
  border-color: var(--apple-line);
  background: rgba(248, 251, 255, 0.86);
}

body[data-surface="workbench"] .extra-metrics :is(dt, dd) {
  color: #526f89;
}

body[data-surface="workbench"] dialog {
  color: var(--apple-text);
  border: 1px solid rgba(255, 255, 255, 0.92);
  border-radius: 22px;
  background: rgba(251, 253, 255, 0.96);
  box-shadow: 0 28px 90px rgba(27, 55, 84, 0.22);
}

body[data-surface="workbench"] dialog::backdrop {
  background: rgba(78, 99, 121, 0.26);
  backdrop-filter: blur(7px);
}

/* 3D asset library. */
body[data-surface="assets"] main {
  max-width: 2560px;
}

body[data-surface="assets"] .workspace {
  gap: 18px;
}

body[data-surface="assets"] :is(.catalog, .inspector, .preview) {
  border: 1px solid rgba(255, 255, 255, 0.94) !important;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.76) !important;
  box-shadow: var(--apple-shadow);
}

body[data-surface="assets"] #viewport {
  background:
    radial-gradient(ellipse at 50% 27%, rgba(255, 255, 255, 0.98), transparent 35%),
    radial-gradient(ellipse at 50% 72%, rgba(146, 194, 229, 0.25), transparent 52%),
    linear-gradient(145deg, #edf4fa, #fbfdff) !important;
}

body[data-surface="assets"] #viewer-status {
  color: #466781;
  background: rgba(244, 249, 253, 0.88);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
}

body[data-surface="assets"] .view-hint {
  color: #58748d;
}

body[data-surface="assets"] :is(.toolbar, .facts, .model-heading) {
  color: var(--apple-text);
  border-color: var(--apple-line) !important;
  background: rgba(248, 251, 255, 0.83) !important;
}

body[data-surface="assets"] .asset-card {
  color: #496782;
  border: 1px solid transparent;
  background: transparent !important;
}

body[data-surface="assets"] .asset-card[aria-pressed="true"] {
  color: #075eae;
  border-color: rgba(32, 119, 201, 0.16) !important;
  background: rgba(224, 240, 253, 0.88) !important;
}

body[data-surface="assets"] .asset-card img {
  border-radius: 10px;
  background: #e8f0f7;
  box-shadow: 0 5px 14px rgba(52, 86, 121, 0.11);
}

body[data-surface="assets"] :is(.selected-panel, .downloads a) {
  color: #315d83;
  border-color: var(--apple-line) !important;
  border-radius: 13px;
  background: rgba(234, 244, 252, 0.88) !important;
}

body[data-surface="assets"] .downloads a:first-child {
  color: #fff;
  background: linear-gradient(135deg, #41a9f7, #0875df) !important;
}

/* Tesla collection uses a bright studio while retaining the real model. */
body[data-surface="tesla"] .page-shell {
  background: transparent;
}

body[data-surface="tesla"] .page-shell::before {
  background-image:
    linear-gradient(rgba(56, 123, 184, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 123, 184, 0.045) 1px, transparent 1px);
  mask-image: linear-gradient(#0005, transparent 72%);
}

body[data-surface="tesla"] .tesla-identity img {
  filter: drop-shadow(0 3px 8px rgba(42, 82, 122, 0.08));
}

body[data-surface="tesla"] .tesla-intro h1,
body[data-surface="tesla"] .tesla-intro h1 em {
  color: #153f6d;
  text-shadow: none;
}

body[data-surface="tesla"] .tesla-intro p,
body[data-surface="tesla"] .identity-copy small,
body[data-surface="tesla"] .detail-copy p,
body[data-surface="tesla"] .tesla-credit p {
  color: #58738c;
}

body[data-surface="tesla"] .tesla-stage {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.94) !important;
  border-radius: 26px;
  background:
    radial-gradient(ellipse at 50% 62%, rgba(95, 182, 238, 0.22), transparent 43%),
    linear-gradient(145deg, #edf5fb, #fff 58%, #e9f1f7) !important;
  box-shadow: var(--apple-shadow);
}

body[data-surface="tesla"] .tesla-stage::before {
  background: rgba(81, 174, 232, 0.18);
}

body[data-surface="tesla"] .tesla-stage::after {
  border-color: rgba(255, 255, 255, 0.8);
  box-shadow: inset 0 0 9vw rgba(111, 150, 185, 0.1);
}

body[data-surface="tesla"] :is(.stage-topline, .stage-hint, .explode-control, .stage-model-picker) {
  color: #526f89;
}

body[data-surface="tesla"] .stage-controls,
body[data-surface="tesla"] .stage-model-picker select {
  color: #315d83 !important;
  border-color: rgba(52, 119, 183, 0.18) !important;
  border-radius: 999px !important;
  background: rgba(255, 255, 255, 0.76) !important;
  box-shadow: var(--apple-shadow-soft);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

body[data-surface="tesla"] .stage-controls button {
  color: #4b6a86;
  border-color: transparent;
  border-radius: 999px;
  background: transparent;
}

body[data-surface="tesla"] .stage-controls button:is(:hover, [aria-pressed="true"]) {
  color: #0767c2;
  border-color: rgba(42, 119, 193, 0.16);
  background: #fff;
  box-shadow: 0 6px 17px rgba(56, 99, 141, 0.12);
}

body[data-surface="tesla"] .tesla-loading {
  color: #466780;
  background: rgba(244, 249, 253, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

body[data-surface="tesla"] .tesla-details {
  margin-top: 10px;
  border: 1px solid rgba(255, 255, 255, 0.94) !important;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.78) !important;
}

body[data-surface="tesla"] .category-tabs button {
  color: #58728b;
}

body[data-surface="tesla"] .category-tabs button[aria-selected="true"] {
  color: #0768c5 !important;
}

body[data-surface="tesla"] .tesla-model-card {
  min-height: 210px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  text-align: left;
  color: #496781;
  border: 1px solid rgba(72, 116, 157, 0.15);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 10px 28px rgba(55, 91, 126, 0.08);
}

body[data-surface="tesla"] .tesla-model-card:hover,
body[data-surface="tesla"] .tesla-model-card:is(.is-selected, [aria-pressed="true"]) {
  color: #264f72;
  border-color: rgba(27, 117, 203, 0.28);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 19px 43px rgba(51, 93, 134, 0.14);
  transform: translateY(-3px);
}

body[data-surface="tesla"] .model-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

body[data-surface="tesla"] .model-category,
body[data-surface="tesla"] .model-status {
  color: #52718b;
  font-size: 9px;
  letter-spacing: 0.1em;
}

body[data-surface="tesla"] .model-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

body[data-surface="tesla"] .model-status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #8aa0b4;
}

body[data-surface="tesla"] .model-status.ready i {
  background: #26b57c;
  box-shadow: 0 0 0 4px rgba(38, 181, 124, 0.1);
}

body[data-surface="tesla"] .tesla-model-card > strong {
  font-size: 17px;
  font-weight: 650;
}

body[data-surface="tesla"] :is(.model-description, .model-meta) {
  color: #657f97;
  font-size: 11px;
  line-height: 1.6;
}

body[data-surface="tesla"] .model-open {
  margin-top: auto;
  color: #0870d5;
  font-size: 11px;
  font-weight: 650;
}

body[data-surface="tesla"] .tesla-footer {
  color: #627b92;
  border-top-color: var(--apple-line);
}

/* Immersive energy campus keeps its 3D scene and adopts the same glass controls. */
body[data-surface="energy-campus"]::before {
  display: none;
}

body[data-surface="energy-campus"] #intro h1 {
  color: #f4f9ff !important;
  text-shadow: 0 4px 30px rgba(0, 13, 34, 0.48);
}

body[data-surface="energy-campus"] #intro :is(.eyebrow, p, .intro-tags) {
  color: rgba(226, 240, 250, 0.88) !important;
  text-shadow: 0 2px 14px rgba(0, 13, 34, 0.36);
}

body[data-surface="energy-campus"] footer :is(.active-scene, .scene-meta) {
  color: rgba(226, 240, 250, 0.88);
}

body[data-surface="energy-campus"] footer :is(.active-scene small, .scene-meta small, .focus-nav button) {
  color: rgba(177, 203, 221, 0.76);
}

body[data-surface="energy-campus"] footer .focus-nav button[aria-pressed="true"] {
  color: #f3fbff;
  border-color: #8edcf1;
}

body[data-surface="energy-campus"] #campus-stage > header {
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background: rgba(248, 251, 255, 0.64);
  box-shadow: 0 14px 42px rgba(5, 23, 42, 0.18);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
}

body[data-surface="energy-campus"] #campus-stage > header .university-mark #university-wordmark {
  fill: #153f6d !important;
}

body[data-surface="energy-campus"] #campus-stage > header :is(.section-mark, nav, a, button) {
  color: #315977;
}

body[data-surface="energy-campus"] #campus-stage > header nav button,
body[data-surface="energy-campus"] .scene-tools {
  color: #315977;
  border-color: rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background: rgba(248, 251, 255, 0.72);
  box-shadow: var(--apple-shadow-soft);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

body[data-surface="energy-campus"] .scene-tools button {
  border-radius: 999px;
  color: #466984;
}

body[data-surface="energy-campus"] .scene-tools button:is(:hover, [aria-pressed="true"]) {
  color: #075fae;
  background: #fff;
}

body[data-surface="energy-campus"] #inspect-panel {
  color: var(--apple-ink);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 22px;
  background: rgba(248, 251, 255, 0.86);
  box-shadow: 0 24px 64px rgba(3, 18, 34, 0.24);
}

body[data-surface="energy-campus"] #inspect-panel :is(#selected-system, #list-count, #list-empty, .explode-label) {
  color: #58738c;
}

body[data-surface="energy-campus"] #part-list button {
  color: #4b6a84;
  border-bottom-color: rgba(65, 111, 151, 0.12);
}

body[data-surface="energy-campus"] #part-list button:is(:hover, [aria-pressed="true"]) {
  color: #075da9;
  background: rgba(219, 238, 252, 0.9);
}

body[data-surface="energy-campus"] dialog {
  color: var(--apple-text);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 22px;
  background: rgba(249, 252, 255, 0.96);
  box-shadow: 0 28px 90px rgba(1, 13, 28, 0.4);
}

body[data-surface="energy-campus"] dialog :is(p, details) {
  color: #607a92;
}

body[data-surface="energy-campus"] dialog a {
  color: #0868c4;
}

@media (hover: hover) {
  body[data-surface] :is(header, .masthead) nav :is(a, button):hover,
  body[data-surface] :is(.tabs, .course-tabs, .category-tabs, .modes, .learning-path) :is(a, button):hover {
    transform: translateY(-1px);
  }
}

@media (max-width: 760px) {
  body[data-surface="catalog"] > .masthead,
  body[data-surface="workbench"] > header,
  body[data-surface="assets"] > header,
  body[data-surface="knowledge"] > header,
  body[data-surface="virtual-lab"] > header,
  body[data-surface="tesla"] .tesla-masthead {
    margin: 9px 9px 0;
    border-radius: 22px;
  }

  body[data-surface] :is(header, .masthead) nav {
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
  }

  body[data-surface] :is(header, .masthead) nav::-webkit-scrollbar {
    display: none;
  }

  body[data-surface] :is(header, .masthead) nav :is(a, button) {
    flex: 0 0 auto;
    min-height: 36px;
    padding-inline: 11px;
  }

  body[data-surface="workbench"] .layout > aside,
  body[data-surface="workbench"] .layout > main {
    margin: 9px;
    border-radius: 19px;
  }

  body[data-surface="assets"] :is(.catalog, .inspector, .preview),
  body[data-surface="tesla"] .tesla-stage,
  body[data-surface="tesla"] .tesla-details {
    border-radius: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  body[data-surface] *,
  body[data-surface] *::before,
  body[data-surface] *::after {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: none !important;
  }
}