:root,
html[data-theme="dark"] {
  color-scheme: dark;
  --space-black: #0e0a18;
  --space-deep: #15101f;
  --space-mid: #1f1730;
  --cream: #f2ead9;
  --grey-mid: #bba9cb;
  --grey-dark: #8a7e96;
  --border: #332846;
  --border-bright: #b86e36;
  --nav-bg-top: rgba(14, 10, 24, 0.82);
  --nav-bg-scrolled: rgba(14, 10, 24, 0.94);
  --card-tint: rgba(168, 139, 217, 0.1);
  --card-tint-hover: rgba(168, 139, 217, 0.22);
  --purple-primary: #a88bd9;
  --purple-light: #c9a9f0;
  --purple-lighter: #e4d2f2;
  --purple-dark: #6e54a3;
  --purple-nebula: #2a1a45;
  --orange-primary: #b86e36;
  --orange-glow: #d4824a;
  --font-display: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-heading: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Space Mono", monospace;
  --ease-space: cubic-bezier(0.25, 0, 0, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body,
#app {
  width: 100%;
  height: 100%;
}

body {
  overflow: hidden;
  background: var(--space-black);
  color: var(--cream);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button {
  cursor: pointer;
  font-family: var(--font-body);
}

button:focus-visible {
  outline: 2px solid var(--purple-light);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: var(--orange-primary);
  color: #fff;
}

#app {
  position: relative;
  isolation: isolate;
}

#app::before {
  display: none;
}

#viewer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: #000;
}

.openseadragon-canvas {
  outline: none;
}

.topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 3;
  display: flex;
  min-height: 72px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px 10px;
  border-bottom: 0;
  background: transparent;
  pointer-events: auto;
}

.status {
  border: 1px solid var(--border);
  background: var(--nav-bg-scrolled);
  box-shadow: none;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.brand {
  display: flex;
  min-width: 0;
  height: auto;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: 10px 18px 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  pointer-events: none;
}

.brand__mark {
  display: none;
}

.brand__text {
  overflow: hidden;
  color: #fff;
  font-family: var(--font-heading);
  font-size: 28.05px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 0.95;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.distance-marker {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 9px;
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1;
}

.distance-label {
  font-size: 15px;
  white-space: nowrap;
}

.distance-bar {
  position: relative;
  display: block;
  width: calc(100% - 8px);
  margin-left: 4px;
  height: 4px;
  background: #fff;
}

.distance-bar::before,
.distance-bar::after {
  position: absolute;
  top: 50%;
  width: 4px;
  height: 18px;
  background: #fff;
  content: "";
  transform: translateY(-50%);
}

.distance-bar::before {
  left: 0;
}

.distance-bar::after {
  right: 0;
}

.toolbar {
  display: flex;
  height: auto;
  align-items: flex-start;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  pointer-events: auto;
}

.icon-button,
.text-button {
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.54);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition:
    background 220ms var(--ease-space),
    border-color 220ms var(--ease-space),
    color 220ms var(--ease-space),
    transform 220ms var(--ease-space);
}

.icon-button {
  display: inline-grid;
  width: 36px;
  place-items: center;
  font-size: 21px;
  line-height: 1;
}

.text-button {
  min-width: 62px;
  padding: 0 12px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
}

.text-button--wide {
  min-width: 0;
  margin-right: clamp(18px, 2vw, 32px);
  padding: 0 14px;
  white-space: nowrap;
}

.mode-switch {
  display: inline-flex;
  height: 36px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.54);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition:
    background 220ms var(--ease-space),
    border-color 220ms var(--ease-space),
    color 220ms var(--ease-space),
    transform 220ms var(--ease-space);
}

.mode-switch:hover,
.mode-switch:focus-visible {
  border-color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  outline: none;
  transform: translateY(-1px);
}

.mode-switch:active {
  transform: none;
}

.mode-switch__track {
  position: relative;
  display: block;
  width: 34px;
  height: 18px;
  flex: 0 0 auto;
  border: 2px solid #fff;
  border-radius: 999px;
}

.mode-switch__thumb {
  position: absolute;
  top: 50%;
  left: 3px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fff;
  transform: translateY(-50%);
  transition: left 180ms var(--ease-space);
}

.mode-switch[aria-pressed="true"] .mode-switch__thumb {
  left: 19px;
}

.mode-switch__label {
  display: inline-flex;
  height: 100%;
  flex-direction: column;
  justify-content: center;
  white-space: nowrap;
}

.mode-switch__label-main,
.mode-switch__label-mode {
  display: block;
  line-height: 0.9;
}

.icon-button:hover,
.text-button:hover,
.icon-button:focus-visible,
.text-button:focus-visible {
  border-color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  outline: none;
  transform: translateY(-1px);
}

.icon-button:active,
.text-button:active {
  transform: none;
}

.status {
  position: absolute;
  left: 50%;
  bottom: 16px;
  z-index: 3;
  display: flex;
  width: min(420px, calc(100vw - 24px));
  align-items: center;
  justify-content: center;
  min-height: 29px;
  gap: clamp(6px, 0.9vw, 10px);
  padding: 4px 10px;
  border-radius: 8px;
  border: 0;
  background: #fff;
  color: #15151a;
  font-family: var(--font-body);
  font-size: clamp(13px, 1.05vw, 15px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 0;
  pointer-events: auto;
  text-align: center;
  transform: translateX(-50%);
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.status-message {
  flex: 1 1 auto;
  min-width: 0;
}

.status-message strong {
  font-weight: 700;
}

.status-info {
  display: inline-grid;
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  place-items: center;
  border-radius: 50%;
  background: #1d2730;
  color: #fff;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 13px;
  font-style: italic;
  font-weight: 700;
  line-height: 1;
}

.status-toggle {
  flex: 0 0 auto;
  width: 19px;
  height: 19px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #15151a;
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
  transition:
    opacity 180ms var(--ease-space),
    transform 180ms var(--ease-space);
}

.status-toggle:hover,
.status-toggle:focus-visible {
  background: transparent;
  color: #15151a;
  outline: none;
  opacity: 0.72;
  transform: scale(1.04);
}

.status--collapsed {
  width: auto;
  padding: 0;
  border-radius: 50%;
  background: transparent;
}

.status--collapsed .status-message,
.status--collapsed .status-info {
  display: none;
}

.status--collapsed .status-toggle {
  width: 29px;
  height: 29px;
  border: 0;
  border-radius: 50%;
  background: rgba(205, 205, 205, 0.72);
  color: #33333a;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 23px;
  font-style: italic;
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.status--collapsed .status-toggle:hover,
.status--collapsed .status-toggle:focus-visible {
  background: rgba(225, 225, 225, 0.82);
  color: #25252b;
}

.navigator {
  overflow: hidden !important;
  border: 1px solid #fff !important;
  border-radius: 8px !important;
  background: rgba(0, 0, 0, 0.42) !important;
  box-shadow: none !important;
}

.displayregion {
  border-color: #fff !important;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.34) !important;
}

.feature-hotspot {
  position: absolute;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #fff;
  pointer-events: auto;
  touch-action: none;
  visibility: hidden;
  z-index: 2;
}

.feature-hotspot--ready {
  visibility: visible;
}

.feature-hotspot__ring {
  display: block;
  width: 100%;
  height: 100%;
  border: 2px solid currentColor;
  border-radius: 50%;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.52),
    0 0 12px rgba(255, 255, 255, 0.24);
}

.feature-hotspot:hover .feature-hotspot__ring,
.feature-hotspot:focus-visible .feature-hotspot__ring {
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.6),
    0 0 18px rgba(255, 255, 255, 0.4);
}

.feature-hotspot:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 5px;
}

.feature-panel {
  position: absolute;
  top: 50%;
  right: 16px;
  z-index: 4;
  width: min(340px, calc(100vw - 32px));
  padding: 18px 42px 20px 20px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.82);
  color: #fff;
  font-family: var(--font-body);
  pointer-events: auto;
  transform: translateY(-50%);
}

.feature-panel--wide {
  width: min(560px, calc(100vw - 32px));
  max-height: min(76vh, 720px);
  overflow: auto;
}

.feature-panel[hidden] {
  display: none;
}

.feature-panel h2 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.05;
}

.feature-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.32;
}

.feature-panel__image {
  display: block;
  width: 100%;
  margin: 0 0 14px;
  border-radius: 6px;
}

.feature-panel__link {
  display: block;
  width: max-content;
  margin-top: 12px;
  color: #fff;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.feature-panel__link:hover,
.feature-panel__link:focus-visible {
  opacity: 0.72;
}

.feature-panel__close {
  position: absolute;
  top: 10px;
  right: 10px;
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #fff;
  font-family: var(--font-heading);
  font-size: 24px;
  line-height: 1;
}

.feature-panel__close:hover,
.feature-panel__close:focus-visible {
  outline: none;
  opacity: 0.72;
}

.video-overlay {
  position: absolute;
  inset: 0;
  z-index: 8;
  display: grid;
  place-items: center;
  padding: clamp(12px, 2vw, 28px);
  background: rgba(0, 0, 0, 0.78);
  pointer-events: auto;
}

.video-overlay[hidden] {
  display: none;
}

.video-dialog {
  position: relative;
  width: fit-content;
  max-width: calc(100vw - 24px);
  max-height: calc(100vh - 32px);
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.92);
  color: #fff;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.55);
}

.video-dialog__header {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 12px 52px 6px 14px;
}

.video-dialog__header h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1;
}

.video-dialog__close {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #fff;
  font-family: var(--font-heading);
  font-size: 30px;
  line-height: 1;
}

.video-dialog__close:hover,
.video-dialog__close:focus-visible {
  outline: none;
  opacity: 0.72;
}

.video-dialog__body {
  display: grid;
  grid-template-columns: auto minmax(190px, 230px);
  gap: 12px;
  padding: 6px 14px 14px;
}

.video-player {
  display: block;
  width: auto;
  height: min(72vh, 760px);
  max-width: calc((100vh - 120px) * 9 / 16);
  max-height: calc(100vh - 120px);
  aspect-ratio: 9 / 16;
  object-fit: contain;
  border-radius: 6px;
  background: #000;
}

.video-playlist {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.video-playlist__item {
  width: 100%;
  min-height: 38px;
  padding: 7px 9px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.15;
  text-align: left;
}

.video-playlist__item:hover,
.video-playlist__item:focus-visible,
.video-playlist__item--active {
  border-color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.16);
  outline: none;
}

.partner-logos {
  position: absolute;
  left: 16px;
  bottom: 16px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.5vw, 22px);
  pointer-events: none;
}

.partner-logo {
  height: auto;
  object-fit: contain;
}

.partner-logo--euclid {
  width: clamp(96px, 10vw, 152px);
}

.partner-logo--royal-society {
  width: clamp(42px, 4.2vw, 62px);
}

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

@media (max-width: 720px) {
  .topbar {
    align-items: flex-start;
    min-height: 76px;
  }

  .brand {
    max-width: min(330px, calc(100vw - 250px));
  }

  .brand__text {
    font-size: 20.4px;
    white-space: normal;
  }

  .distance-label {
    font-size: 12px;
  }

  .distance-bar {
    width: 100%;
    height: 3px;
  }

  .distance-bar::before,
  .distance-bar::after {
    width: 3px;
    height: 14px;
  }

  .partner-logos {
    bottom: 16px;
  }

  .status {
    right: 16px;
    left: auto;
    width: min(320px, calc(100vw - 250px));
    transform: none;
  }

  .status--collapsed {
    width: auto;
    max-width: none;
  }

  .feature-panel {
    top: auto;
    right: 16px;
    bottom: 62px;
    transform: none;
  }

  .feature-panel--wide {
    max-height: calc(100vh - 150px);
  }
}

@media (max-width: 480px) {
  .topbar {
    top: 0;
    left: 0;
    right: 0;
    min-height: 126px;
    gap: 10px;
    padding: 9px 10px 8px;
  }

  .brand {
    height: auto;
    max-width: calc(100vw - 198px);
    gap: 9px;
    padding: 0;
  }

  .brand__mark {
    width: 10px;
    height: 10px;
  }

  .brand__text {
    font-size: 15.3px;
    white-space: normal;
  }

  .distance-label {
    font-size: 10px;
  }

  .distance-bar {
    width: 100%;
    height: 3px;
  }

  .distance-bar::before,
  .distance-bar::after {
    width: 3px;
    height: 12px;
  }

  .toolbar {
    display: grid;
    width: 168px;
    height: auto;
    grid-template-columns: 54px repeat(3, 30px);
    gap: 8px;
    justify-content: end;
    align-items: stretch;
    padding: 0;
  }

  .mode-switch {
    grid-column: 1 / -1;
    width: 100%;
    height: 30px;
    gap: 6px;
    padding: 0 8px;
    font-size: 10px;
  }

  .mode-switch__track {
    width: 30px;
    height: 16px;
  }

  .mode-switch__thumb {
    left: 3px;
    width: 7px;
    height: 7px;
  }

  .mode-switch[aria-pressed="true"] .mode-switch__thumb {
    left: 17px;
  }

  .icon-button,
  .text-button {
    height: 30px;
  }

  .icon-button {
    width: 30px;
    font-size: 18px;
  }

  .text-button {
    min-width: 54px;
    padding: 0 8px;
    font-size: 12px;
  }

  .text-button--wide {
    grid-column: 1 / -1;
    width: 100%;
    margin-right: 0;
    padding: 0 8px;
    font-size: 11px;
  }

  .status {
    left: auto;
    right: 10px;
    bottom: 10px;
    width: min(180px, calc(100vw - 158px));
    min-height: 29px;
    gap: 5px;
    padding: 4px 7px;
    font-size: clamp(10px, 3vw, 12px);
    transform: none;
  }

  .status--collapsed {
    right: 10px;
    left: auto;
    width: auto;
    max-width: none;
    transform: none;
  }

  .feature-hotspot__ring {
    border-width: 2px;
  }

  .feature-panel {
    right: 10px;
    bottom: 54px;
    left: 10px;
    width: auto;
    padding: 14px 38px 16px 16px;
  }

  .feature-panel h2 {
    font-size: 18px;
  }

  .feature-panel p {
    font-size: 12px;
  }

  .partner-logos {
    left: 10px;
    bottom: 10px;
    gap: 10px;
  }

  .partner-logo--euclid {
    width: 82px;
  }

  .partner-logo--royal-society {
    width: 36px;
  }

  .navigator {
    display: none !important;
  }
}

@media (max-width: 760px) {
  .video-overlay {
    padding: 10px;
  }

  .video-dialog {
    max-width: calc(100vw - 20px);
  }

  .video-dialog__body {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 10px;
    padding: 6px 12px 12px;
  }

  .video-player {
    height: min(58vh, 620px);
    max-width: calc(100vw - 44px);
    max-height: calc(100vh - 220px);
  }

  .video-playlist {
    display: grid;
    grid-template-columns: 1fr;
    width: min(100%, 260px);
  }
}