/* LUMERSE MATERIALS BEGIN */
/* Lumerse's shared material values. Kept inline in each site's CSS for offline use. */
:root {
  --lm-cream: #f1ece1;
  --lm-paper: #fbf9f3;
  --lm-paper-bright: #fffdf8;
  --lm-ink: #1c1c1a;
  --lm-body: #4f4d46;
  --lm-teal: #0a6e5f;
  --lm-teal-press: #07594d;
  --lm-brass-text: #755d2f;
  --lm-brass-line: rgba(176,139,80,.34);
  --lm-edge: rgba(28,28,26,.12);
  --lm-edge-strong: rgba(28,28,26,.32);
  --lm-r-outer: 14px;
  --lm-r-control: 9px;
  --lm-r-pill: 999px;
  --lm-glass-nav: linear-gradient(135deg,rgba(255,255,255,.16),transparent 62%), rgba(251,249,243,.76);
  --lm-glass-photo: rgba(251,249,243,.82);
  --lm-surface-reading: rgba(251,249,243,.82);
  --lm-dark-glass: rgba(28,28,26,.86);
  --lm-dark-panel: rgba(28,28,26,.96);
  --lm-dark-solid: #1c1c1a;
  --lm-on-dark: #fff;
  --lm-on-dark-soft: rgba(255,255,255,.82);
  --lm-accent-on-dark: #79c8b5;
  --lm-specular: inset 0 1px 0 rgba(255,255,255,.8);
  --lm-rim: inset 0 0 0 1px rgba(255,255,255,.22);
  --lm-float-shadow: 0 2px 4px rgba(72,58,33,.04), 0 18px 38px -14px rgba(72,58,33,.24);
  --lm-rest-shadow: 0 1px 2px rgba(72,58,33,.025), 0 10px 24px -18px rgba(72,58,33,.18);
  --lm-track-display: -.04em;
  --lm-track-heading: -.025em;
  --lm-font: Montserrat, 'Avenir Next', 'Segoe UI', sans-serif;
}
/* LUMERSE MATERIALS END */

@font-face {
  font-family: "Montserrat";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("/fonts/montserrat-latin-variable.woff2") format("woff2");
}

:root {
  --lum-cream: var(--lm-cream);
  --lum-paper: var(--lm-glass-photo);
  --lum-ink: var(--lm-ink);
  --lum-soft: var(--lm-body);
  --lum-teal: var(--lm-teal);
  --lum-mint: var(--lm-accent-on-dark);
  --lum-line: var(--lm-edge);
  --lum-shadow: var(--lm-float-shadow);
  --lum-font: var(--lm-font);
}

html,
body {
  background: var(--lum-cream);
  font-family: var(--lum-font);
}

body {
  color: var(--lum-ink);
}

#viewerBranding,
#controlsWrap,
#infoPanel,
#settingsPanel,
#walkHint,
#tooltip {
  display: none !important;
}

#poster {
  display: none !important;
}

.lum-preview-poster {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}
body.tour-ready .lum-preview-poster { display: none; }

#application-canvas {
  opacity: 0;
  transition: opacity 600ms ease;
}

body.tour-ready #application-canvas {
  opacity: 1;
}

#loadingWrap {
  top: 50%;
  bottom: auto;
  z-index: 90;
  width: min(380px, calc(100vw - 48px));
  align-items: center;
  justify-content: center;
  gap: 18px;
  transform: translate(-50%, -50%);
  padding: 28px;
  box-sizing: border-box;
  border: 1px solid var(--lum-line);
  border-radius: var(--lm-r-outer);
  background: var(--lm-paper);
  box-shadow: var(--lum-shadow);
}

#loadingWrap::before {
  width: min(260px, 62vw);
  aspect-ratio: 25 / 9;
  background: url("/assets/lumerse-logo-nav.svg?v=20260906") center / contain no-repeat;
  content: "";
}

#loadingWrap::after {
  content: none;
}

#loadingWrap > #loadingText {
  color: #3a3831;
  font: 500 14px/1.5 var(--lum-font);
  letter-spacing: 1.4px;
  text-shadow: none;
}

#loadingWrap > #loadingBar {
  height: 10px;
  margin-top: 0;
  border-radius: 999px;
  position: relative;
  background-image: linear-gradient(90deg, var(--lum-teal) 0%, var(--lum-teal) var(--lum-progress, 0%), #d9d5ca var(--lum-progress, 0%), #d9d5ca 100%) !important;
}

#loadingBar[data-indeterminate="true"]::after {
  position: absolute;
  inset: 0 auto 0 0;
  width: 28%;
  border-radius: inherit;
  background: var(--lum-teal);
  content: "";
  animation: lum-loading 1.6s ease-in-out infinite alternate;
}

@keyframes lum-loading {
  from { transform: translateX(0); }
  to { transform: translateX(255%); }
}

body:not(.tour-ready):not(.quality-waiting):not(.tour-failed) #loadingWrap {
  display: flex !important;
}

body.quality-waiting #loadingWrap,
body.tour-ready #loadingWrap,
body.tour-failed #loadingWrap {
  display: none !important;
}

@media (prefers-reduced-motion: reduce) {
  #loadingBar[data-indeterminate="true"]::after { animation: none; left: 36%; }
}

#lum-tour-shell {
  position: fixed;
  inset: 0;
  z-index: 80;
  pointer-events: none;
}

#lum-tour-shell * {
  box-sizing: border-box;
}

.lum-interactive {
  pointer-events: auto;
  touch-action: manipulation;
}

.lum-topbar {
  position: absolute;
  top: max(14px, env(safe-area-inset-top));
  left: max(14px, env(safe-area-inset-left));
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.lum-project-card {
  display: flex;
  max-width: calc(100vw - 40px);
  align-items: center;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.54);
  border-radius: var(--lm-r-outer);
  padding: 9px 14px 9px 12px;
  background: var(--lm-glass-photo);
  box-shadow: var(--lm-specular), var(--lm-float-shadow);
  backdrop-filter: blur(12px) saturate(1);
  -webkit-backdrop-filter: blur(12px) saturate(1);
  border-color: var(--lm-edge);
}

.lum-topbar-actions { display: flex; flex-wrap: wrap; gap: 8px; max-width: calc(100vw - 28px); }
.lum-topbar-actions .lum-back { min-height: 44px; cursor: pointer; }
.lum-project-links { display: grid; gap: 4px; }
.lum-project-links a { display: flex; align-items: center; min-height: 44px; padding: 8px 0; border: 0; border-bottom: 1px solid rgba(255,255,255,.14); color: var(--lum-mint); font-size: 13px; line-height: 1.6; text-underline-offset: 4px; }
.lum-project-links a:last-child { border-bottom:0; }
.lum-project-links a:hover { color: white; }
.lum-project-links a:focus-visible { outline: 2px solid var(--lum-mint); outline-offset: 3px; }

.lum-project-card img {
  width: auto;
  height: 30px;
  flex-shrink: 0;
}

.lum-project-divider {
  align-self: stretch;
  width: 1px;
  margin: 2px 12px;
  background: var(--lum-line);
  flex-shrink: 0;
}

.lum-project-copy {
  min-width: 0;
}

.lum-project-title {
  overflow: hidden;
  margin: 0;
  color: var(--lum-ink);
  font: 650 14px/1.18 var(--lum-font);
  letter-spacing: 0.2px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lum-project-subtitle {
  overflow: hidden;
  margin: 1px 0 0;
  color: var(--lum-teal);
  font: 500 11px/1.18 var(--lum-font);
  letter-spacing: 0.6px;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.lum-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.54);
  border-radius: var(--lm-r-control);
  padding: 7px 14px;
  background: var(--lm-glass-photo);
  box-shadow: var(--lm-specular), var(--lm-float-shadow);
  color: var(--lum-ink);
  font: 600 11px/1.4 var(--lum-font);
  letter-spacing: 1.2px;
  text-decoration: none;
  text-transform: uppercase;
  backdrop-filter: blur(12px) saturate(1);
  -webkit-backdrop-filter: blur(12px) saturate(1);
  transition: color 150ms ease, border-color 150ms ease, transform 150ms ease;
  border-color: var(--lm-edge);
}

.lum-back:hover,
.lum-back:focus-visible {
  border-color: var(--lum-teal);
  color: var(--lum-teal);
  transform: translateY(-1px);
}

.lum-hint {
  position: absolute;
  top: max(92px, calc(env(safe-area-inset-top) + 82px));
  left: 50%;
  display: flex;
  align-items: center;
  gap: 16px;
  width: min(540px, calc(100vw - 32px));
  max-width: min(540px, calc(100vw - 32px));
  transform: translateX(-50%);
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: var(--lm-r-outer);
  padding: 12px 18px;
  background: var(--lm-glass-photo);
  box-shadow: var(--lm-specular), var(--lm-float-shadow);
  color: var(--lum-ink);
  font: 500 12px/1.55 var(--lum-font);
  text-align: left;
  backdrop-filter: blur(12px) saturate(1);
  -webkit-backdrop-filter: blur(12px) saturate(1);
  transition: opacity 220ms ease, transform 220ms ease;
  border-color: var(--lm-edge);
}

.lum-hint-copy,
.lum-hint strong,
.lum-hint-copy > span {
  display: block;
}

.lum-hint-copy {
  min-width: 0;
  flex: 1;
}

.lum-hint strong {
  margin-bottom: 3px;
  color: var(--lum-teal);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.lum-hint b {
  color: var(--lum-teal);
  font-weight: 700;
}

.lum-hint-dismiss {
  min-width: 72px;
  min-height: 44px;
  flex: 0 0 auto;
  border: 1px solid var(--lum-teal);
  border-radius: var(--lm-r-control);
  padding: 0 12px;
  background: transparent;
  color: var(--lum-teal);
  cursor: pointer;
  font: 650 9px/1 var(--lum-font);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lum-hint-dismiss:hover,
.lum-hint-dismiss:focus-visible {
  background: var(--lum-teal);
  color: white;
}

.lum-hint-dismiss:focus-visible {
  outline: 3px solid var(--lum-mint);
  outline-offset: 2px;
}

/* Second line of the opening hint: what the control bar is for. Muted so the
   movement instruction above it still reads first. */
.lum-hint-more {
  display: block;
  margin-top: 4px;
  color: color-mix(in srgb, var(--lum-ink) 68%, transparent);
  font-size: 11px;
}

.lum-hint-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 8px;
  align-items: center;
}

.lum-hint-guide {
  min-width: 92px;
  min-height: 44px;
  flex: 0 0 auto;
  border: 1px solid transparent;
  border-radius: var(--lm-r-control);
  padding: 0 12px;
  background: var(--lum-teal);
  color: white;
  cursor: pointer;
  font: 650 9px/1 var(--lum-font);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lum-hint-guide:hover,
.lum-hint-guide:focus-visible {
  background: color-mix(in srgb, var(--lum-teal) 82%, black);
}

.lum-hint-guide:focus-visible {
  outline: 3px solid var(--lum-mint);
  outline-offset: 2px;
}

@media (max-width: 600px) {
  .lum-hint-actions {
    flex-direction: column;
    gap: 6px;
  }

  .lum-hint-guide,
  .lum-hint-dismiss {
    min-width: 88px;
    min-height: 44px;
  }
}

.lum-hint[hidden] {
  display: none;
}

.lum-status {
  position: absolute;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(82px, calc(env(safe-area-inset-bottom) + 74px));
  max-width: min(320px, calc(100vw - 32px));
  border: 1px solid rgba(255, 255, 255, 0.56);
  border-radius: var(--lm-r-outer);
  padding: 9px 12px;
  background: var(--lm-glass-photo);
  box-shadow: var(--lm-specular), var(--lm-float-shadow);
  color: var(--lum-soft);
  font: 600 10px/1.4 var(--lum-font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(12px) saturate(1);
  -webkit-backdrop-filter: blur(12px) saturate(1);
  border-color: var(--lm-edge);
}

.lum-status[hidden] {
  display: none;
}

.lum-dock {
  position: absolute;
  right: max(14px, env(safe-area-inset-right));
  bottom: max(14px, env(safe-area-inset-bottom));
  display: flex;
  align-items: center;
  gap: 3px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--lm-r-control);
  padding: 4px;
  background: var(--lm-dark-glass);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.2), var(--lm-float-shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: opacity 220ms ease, visibility 220ms ease;
  border-color: rgba(255,255,255,.24);
}

body:not(.tour-ready) .lum-dock {
  visibility: hidden;
  opacity: 0;
}

.lum-door-control {
  position: absolute;
  right: max(14px, env(safe-area-inset-right));
  bottom: max(76px, calc(env(safe-area-inset-bottom) + 68px));
  z-index: 12;
  display: grid;
  gap: 3px;
  min-width: 138px;
  min-height: 54px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: var(--lm-r-control);
  padding: 10px 14px;
  background: var(--lm-dark-glass);
  box-shadow: var(--lm-float-shadow);
  color: white;
  cursor: pointer;
  font-family: var(--lum-font);
  text-align: left;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.lum-door-control span {
  color: rgba(255, 255, 255, 0.64);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lum-door-control strong {
  color: var(--lum-mint);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.lum-door-control:hover,
.lum-door-control:focus-visible {
  background: rgba(24, 22, 18, 0.78);
}

.lum-door-control:focus-visible {
  outline: 3px solid var(--lum-mint);
  outline-offset: 2px;
}

.lum-control {
  position: relative;
  min-width: 54px;
  min-height: 44px;
  border: 0;
  border-radius: var(--lm-r-control);
  padding: 0 12px;
  background: transparent;
  color: rgba(255, 255, 255, 0.78);
  cursor: pointer;
  font: 600 11px/1 var(--lum-font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 140ms ease, color 140ms ease;
}

.lum-control:hover,
.lum-control:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  color: white;
}

.lum-control[aria-pressed="true"] {
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--lum-mint);
  color: var(--lum-mint);
}

.lum-control:focus-visible,
.lum-option:focus-visible,
.lum-back:focus-visible,
.lum-tab:focus-visible,
.lum-dialog-close:focus-visible {
  outline: 3px solid var(--lum-mint);
  outline-offset: 2px;
}

.lum-control--menu {
  min-width: 88px;
}

.lum-menu {
  position: relative;
}

.lum-popover {
  position: absolute;
  right: 0;
  bottom: calc(100% + 10px);
  display: grid;
  min-width: 180px;
  gap: 3px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--lm-r-outer);
  padding: 5px;
  background: var(--lm-dark-panel);
  box-shadow: 0 14px 38px rgba(10, 8, 5, 0.28);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.lum-popover--navigation {
  right: auto;
  left: 0;
  min-width: 210px;
}

.lum-popover[hidden],
.lum-control[hidden],
.lum-option[hidden] {
  display: none;
}

.lum-option {
  min-height: 44px;
  border: 0;
  border-radius: var(--lm-r-control);
  padding: 0 13px;
  background: transparent;
  color: rgba(255, 255, 255, 0.82);
  cursor: pointer;
  font: 600 10px/1.25 var(--lum-font);
  letter-spacing: 0.08em;
  text-align: left;
  text-transform: uppercase;
}

.lum-option--described {
  display: grid;
  align-content: center;
  gap: 4px;
  min-height: 52px;
}

.lum-option--described span,
.lum-option--described small {
  display: block;
}

.lum-option--described small {
  color: var(--lm-on-dark-soft);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
}

.lum-option--described[aria-pressed="true"] small,
.lum-option--described:hover small,
.lum-option--described:focus-visible small {
  color: rgba(255, 255, 255, 0.78);
}

.lum-popover-label {
  margin: 3px 10px 2px;
  color: var(--lm-on-dark-soft);
  font: 650 8px/1.3 var(--lum-font);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 10px;
}

.lum-popover-divider {
  height: 1px;
  margin: 3px 8px;
  background: rgba(255, 255, 255, 0.12);
}

.lum-option--mobile {
  display: none;
}

.lum-option:hover,
.lum-option:focus-visible,
.lum-option[aria-pressed="true"] {
  background: rgba(255, 255, 255, 0.09);
  color: var(--lum-mint);
}

.lum-option:disabled {
  cursor: not-allowed;
  opacity: .55;
}

#joystickBase {
  z-index: 85;
  border-color: rgba(255, 255, 255, 0.34);
  background-color: rgba(24, 22, 18, 0.32);
  box-shadow:
    0 12px 30px rgba(8, 8, 6, 0.2),
    inset 0 0 0 8px rgba(255, 255, 255, 0.035);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

#joystickBase.sse-mode-2d {
  border-color: rgba(255, 255, 255, 0.34);
  background:
    linear-gradient(rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.14)) center / 1px 42px no-repeat,
    linear-gradient(90deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.14)) center / 42px 1px no-repeat,
    radial-gradient(circle, rgba(10, 110, 95, 0.08) 38%, rgba(24, 22, 18, 0.32) 100%);
}

#joystickBase::before {
  position: absolute;
  top: -23px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.84);
  content: "Move";
  font: 650 9px/1 var(--lum-font);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

#joystickBase > #joystick,
#joystickBase.sse-mode-2d > #joystick {
  border: 2px solid var(--lum-mint);
  background: rgba(241, 236, 225, 0.88);
  box-shadow:
    0 4px 14px rgba(0, 0, 0, 0.28),
    0 0 0 4px rgba(0, 191, 165, 0.1);
}

.lum-help, .lum-help * { box-sizing: border-box; }

.lum-help {
  width: min(540px, calc(100vw - 32px));
  max-height: min(680px, calc(100svh - 32px));
  margin: auto;
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--lm-r-outer);
  padding: 0;
  background: var(--lm-dark-solid);
  box-shadow: var(--lm-float-shadow);
  color: white;
  font-family: var(--lum-font);
  touch-action: manipulation;
}

.lum-help::backdrop {
  background: rgba(27, 25, 21, 0.54);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.lum-help-header {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--lm-dark-solid);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.lum-help-header h2 {
  margin: 0;
  font: 600 18px/1.2 var(--lum-font);
}

.lum-dialog-close {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  background: transparent;
  color: white;
  cursor: pointer;
  font-size: 22px;
}

.lum-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 18px 24px 0;
}

.lum-tab {
  min-height: 44px;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 0 8px;
  background: transparent;
  color: rgba(255, 255, 255, 0.64);
  cursor: pointer;
  font: 650 11px/1 var(--lum-font);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lum-tab[aria-selected="true"] {
  border-color: var(--lum-mint);
  color: white;
}

.lum-help-panel {
  padding: 18px 24px 28px;
}

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

.lum-help-intro {
  margin: 0 0 18px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  line-height: 1.6;
}

.lum-help-section-title {
  margin: 18px 0 8px;
  color: var(--lum-mint);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lum-help-intro + .lum-help-section-title {
  margin-top: 0;
}

.lum-instruction-list {
  display: grid;
  gap: 1px;
  margin: 0;
  overflow: hidden;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
}

.lum-instruction {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 13px 14px;
  background: rgba(255, 255, 255, 0.035);
  font-size: 12px;
  line-height: 1.4;
}

.lum-instruction dt {
  color: rgba(255, 255, 255, 0.72);
}

.lum-instruction dd {
  margin: 0;
  color: white;
  font-weight: 600;
  text-align: right;
}

.lum-help-note {
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 12px;
  line-height: 1.6;
}

.lum-fallback {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  width: auto;
  height: auto;
  max-width: none;
  max-height: none;
  margin: 0;
  border: 0;
  padding: 24px;
  color: var(--lum-ink);
  background:
    linear-gradient(rgba(241, 236, 225, 0.92), rgba(241, 236, 225, 0.96)),
    url("./assets/poster.jpg") center / cover;
  pointer-events: auto;
}

.lum-fallback[hidden] {
  display: none;
}

.lum-fallback-card {
  box-sizing: border-box;
  width: min(520px, 100%);
  border: 1px solid var(--lum-line);
  border-radius: var(--lm-r-outer);
  padding: clamp(20px, 5vw, 36px);
  max-height: calc(100svh - 48px);
  overflow-y: auto;
  background: var(--lm-paper);
  box-shadow: var(--lum-shadow);
}

.lum-fallback-card h2 {
  margin: 0 0 12px;
  font: 600 clamp(24px, 4vw, 36px)/1.05 var(--lum-font);
  letter-spacing: -0.04em;
}

.lum-fallback-card p {
  color: var(--lum-soft);
  font: 400 14px/1.7 var(--lum-font);
}

.lum-fallback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.lum-fallback-actions a,
.lum-fallback-actions button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 1px solid var(--lum-teal);
  border-radius: var(--lm-r-control);
  padding: 12px 16px;
  background: var(--lum-teal);
  color: white;
  cursor: pointer;
  font: 650 11px/1.35 var(--lum-font);
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
}

.lum-project-alternative img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 180px;
  object-fit: cover;
  border-radius: 3px;
}

.lum-project-alternative a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--lum-teal);
  font: 600 14px/1.5 var(--lum-font);
  text-underline-offset: 3px;
}

.lum-fallback :focus-visible,
.lum-quality-back:focus-visible {
  outline: 3px solid var(--lum-teal);
  outline-offset: 3px;
}

html.lum-spatial .lum-project-card,
html.lum-spatial .lum-back,
html.lum-spatial .lum-hint,
html.lum-spatial .lum-status,
html.lum-spatial .lum-dock,
html.lum-spatial .lum-popover,
html.lum-spatial .lum-help {
  border-radius: 16px;
}

html.lum-spatial .lum-project-card,
html.lum-spatial .lum-back,
html.lum-spatial .lum-hint,
html.lum-spatial .lum-status {
  background: var(--lm-glass-photo);
  backdrop-filter: blur(18px) saturate(1);
  -webkit-backdrop-filter: blur(18px) saturate(1);
}

html.lum-spatial .lum-back {
  min-height: 54px;
  padding-inline: 20px;
}

html.lum-spatial .lum-dock {
  gap: 7px;
  border-color: rgba(255, 255, 255, 0.44);
  padding: 7px;
  background: var(--lm-dark-glass);
  backdrop-filter: blur(24px) saturate(1.18);
  -webkit-backdrop-filter: blur(24px) saturate(1.18);
}

html.lum-spatial .lum-control {
  min-width: 72px;
  min-height: 58px;
  border-radius: 12px;
  padding-inline: 16px;
  font-size: 10px;
}

html.lum-spatial .lum-control--menu {
  min-width: 118px;
}

html.lum-spatial .lum-popover {
  min-width: 260px;
  gap: 6px;
  padding: 8px;
  background: var(--lm-dark-panel);
}

html.lum-spatial .lum-option,
html.lum-spatial .lum-tab,
html.lum-spatial .lum-dialog-close,
html.lum-spatial .lum-hint-dismiss {
  min-height: 56px;
  border-radius: 12px;
}

html.lum-spatial .lum-option {
  padding-inline: 18px;
}

html.lum-spatial .lum-option--spatial {
  border: 1px solid rgba(0, 191, 165, 0.55);
  background: rgba(0, 191, 165, 0.1);
  color: #d8fff8;
}

html.lum-spatial .lum-option--spatial:hover,
html.lum-spatial .lum-option--spatial:focus-visible {
  background: rgba(0, 191, 165, 0.2);
  color: white;
}

html.lum-spatial .lum-hint {
  max-width: min(680px, calc(100vw - 40px));
  padding: 16px 20px;
  font-size: 13px;
}

html.lum-spatial .lum-help {
  width: min(640px, calc(100vw - 40px));
}

html.lum-spatial #joystickBase {
  display: none !important;
}

html.lum-spatial #lum-quality-optimized,
html.lum-spatial #lum-quality-high,
html.lum-spatial #lum-full-detail,
html.lum-spatial .lum-popover--quality > .lum-popover-label:first-child {
  display: none !important;
}

html.lum-spatial .lum-spatial-detail {
  display: block;
  margin: 0;
  padding: 14px 16px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

html.lum-spatial .lum-fallback a[href*="quality=optimized"] {
  display: none !important;
}

.lum-spatial-entry {
  position: fixed;
  inset: 50% auto auto 50%;
  z-index: 65;
  width: min(560px, calc(100vw - 40px));
  padding: 30px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 28px;
  background: var(--lm-dark-glass);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.34);
  color: #fff;
  text-align: center;
  -webkit-backdrop-filter: blur(28px) saturate(1.2);
  backdrop-filter: blur(28px) saturate(1.2);
}

.lum-spatial-entry[hidden] {
  display: none !important;
}

.lum-spatial-entry-eyebrow {
  margin: 0 0 12px;
  color: #82ead8;
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.lum-spatial-entry h2 {
  margin: 0;
  color: #fff;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.04;
  letter-spacing: -0.035em;
}

.lum-spatial-entry > p:not(.lum-spatial-entry-eyebrow) {
  margin: 16px auto 22px;
  max-width: 440px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 16px;
  line-height: 1.55;
}

.lum-spatial-progress {
  display: grid;
  gap: 10px;
  margin: 0 0 22px;
}

.lum-spatial-progress[hidden] {
  display: none;
}

.lum-spatial-progress-track {
  height: 9px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
}

.lum-spatial-progress-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #3ecdb5, #a7f4e6);
  box-shadow: 0 0 18px rgba(130, 234, 216, 0.32);
  transition: width 180ms ease-out;
}

.lum-spatial-progress > p {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 12px;
  line-height: 1.35;
  text-align: left;
}

.lum-spatial-progress > p strong {
  flex: 0 0 auto;
  color: #a7f4e6;
  font-variant-numeric: tabular-nums;
}

.lum-spatial-entry[data-phase="failed"] .lum-spatial-progress-track span {
  background: #e89888;
}

.lum-spatial-entry button {
  width: 100%;
  min-height: 68px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 22px;
  background: #f7f5ed;
  color: #0b5f53;
  font-family: inherit;
  font-size: 16px;
  font-weight: 750;
  line-height: 1.1;
  letter-spacing: 0.02em;
  cursor: pointer;
}

.lum-spatial-entry button:hover,
.lum-spatial-entry button:focus-visible {
  background: #fff;
  box-shadow: 0 0 0 6px rgba(130, 234, 216, 0.24);
  transform: scale(1.015);
}

.lum-spatial-entry button:disabled {
  cursor: progress;
  opacity: 0.7;
  transform: none;
}

.lum-spatial-entry[data-phase="failed"] button {
  cursor: pointer;
  opacity: 1;
}

.lum-spatial-entry[aria-busy="true"] button {
  opacity: 0.72;
}

@media (max-width: 720px) {
  .lum-project-card {
    max-width: calc(100vw - 28px);
  }

  .lum-project-card img {
    height: 26px;
  }

  .lum-project-title {
    font-size: 12.5px;
  }

  .lum-project-subtitle {
    font-size: 10px;
  }

  .lum-hint {
    top: max(118px, calc(env(safe-area-inset-top) + 108px));
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
    padding: 10px 14px;
    font-size: 12px;
    text-align: center;
  }

  .lum-hint-dismiss {
    width: 100%;
  }

  .lum-control--desktop {
    display: none;
  }

  .lum-option--mobile {
    display: grid;
  }

  .lum-dock, .lum-door-control, html.lum-spatial .lum-door-control {
    right: 50%;
    max-width: calc(100vw - 20px);
    transform: translateX(50%);
  }

  .lum-door-control {
    right: 50%;
    bottom: max(76px, calc(env(safe-area-inset-bottom) + 68px));
    min-width: 124px;
    transform: translateX(50%);
  }

  .lum-control {
    min-width: 44px;
    padding-inline: 8px;
    font-size: 11px;
    letter-spacing: 0.035em;
  }

  .lum-control--menu {
    min-width: 82px;
  }

  .lum-status {
    right: 50%;
    transform: translateX(50%);
  }
}

@media (max-width: 420px) {
  .lum-project-subtitle {
    max-width: 170px;
  }

  .lum-control--menu {
    min-width: 78px;
  }

  .lum-hint {
    top: max(118px, calc(env(safe-area-inset-top) + 108px));
  }
}

@media (max-height: 520px) and (orientation: landscape) {
  .lum-project-subtitle {
    display: none;
  }

  .lum-project-card {
    min-height: 44px;
  }

  .lum-hint {
    top: max(14px, env(safe-area-inset-top));
    right: max(14px, env(safe-area-inset-right));
    left: auto;
    width: auto;
    max-width: min(480px, calc(100vw - 310px));
    align-items: center;
    flex-direction: row;
    gap: 12px;
    transform: none;
    padding: 8px 10px;
    font-size: 10.5px;
    text-align: left;
  }

  .lum-hint strong {
    display: none;
  }

  .lum-hint-dismiss {
    width: auto;
    min-width: 64px;
    min-height: 44px;
  }

  .lum-status {
    right: max(14px, env(safe-area-inset-right));
    bottom: max(76px, calc(env(safe-area-inset-bottom) + 68px));
    transform: none;
  }
}

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

/* Quality gate — shown over the poster before anything downloads. */
.lum-quality-gate {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  width: auto;
  height: auto;
  max-width: none;
  max-height: none;
  margin: 0;
  border: 0;
  padding: 24px;
  background: color-mix(in srgb, var(--lum-ink) 46%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.lum-quality-gate[hidden] { display: none; }

.lum-quality-card {
  width: min(560px, 100%);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--lm-r-outer);
  padding: 26px 26px 22px;
  max-height: calc(100svh - 48px);
  overflow-y: auto;
  background: var(--lm-paper);
  box-shadow: var(--lum-shadow);
  color: var(--lum-ink);
  font: 500 13px/1.55 var(--lum-font);
  text-align: left;
}

.lum-quality-eyebrow {
  margin: 0 0 6px;
  color: var(--lum-teal);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.lum-quality-card h2 {
  margin: 0 0 6px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.25;
}

.lum-quality-sub {
  margin: 0 0 18px;
  color: color-mix(in srgb, var(--lum-ink) 70%, transparent);
  font-size: 12px;
}

.lum-quality-choices { display: grid; gap: 10px; }

.lum-quality-back {
  display: flex;
  align-items: center;
  min-height: 44px;
  margin-top: 6px;
  color: var(--lum-teal);
  text-underline-offset: 3px;
}

.lum-quality-choice {
  position: relative;
  display: grid;
  gap: 3px;
  border: 1px solid color-mix(in srgb, var(--lum-ink) 22%, transparent);
  border-radius: var(--lm-r-control);
  padding: 13px 15px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.lum-quality-choice:hover,
.lum-quality-choice:focus-visible {
  border-color: var(--lum-teal);
  background: color-mix(in srgb, var(--lum-teal) 8%, transparent);
}

.lum-quality-choice:focus-visible { outline: 3px solid var(--lum-teal); outline-offset: 2px; }

.lum-quality-name { font-size: 14px; font-weight: 700; }

.lum-quality-note {
  color: color-mix(in srgb, var(--lum-ink) 68%, transparent);
  font-size: 12px;
}

.lum-quality-tag {
  position: static;
  color: var(--lum-teal);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

@media (max-width: 600px) {
  .lum-quality-card { padding: 20px 18px 16px; }
  .lum-quality-card h2 { font-size: 17px; }
}

.lum-option[aria-pressed="true"]{box-shadow:inset 0 0 0 1px var(--lum-mint);}

/* Material fallbacks; layout and interaction stay owned by the page. */
@media (prefers-reduced-transparency:reduce), (prefers-contrast:more){
.lum-project-card, .lum-back, .lum-hint, .lum-status, html.lum-spatial .lum-project-card, html.lum-spatial .lum-back, html.lum-spatial .lum-hint, html.lum-spatial .lum-status,.lum-quality-card, .lum-fallback-card { background:var(--lm-paper);border-color:var(--lm-edge-strong);backdrop-filter:none;-webkit-backdrop-filter:none; }
.lum-dock, .lum-popover, .lum-help, .lum-spatial-entry, html.lum-spatial .lum-dock, html.lum-spatial .lum-popover, html.lum-spatial .lum-help, html.lum-spatial .lum-spatial-entry, .lum-door-control, html.lum-spatial .lum-door-control{background:var(--lm-dark-solid);backdrop-filter:none;-webkit-backdrop-filter:none;}
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
.lum-project-card, .lum-back, .lum-hint, .lum-status, html.lum-spatial .lum-project-card, html.lum-spatial .lum-back, html.lum-spatial .lum-hint, html.lum-spatial .lum-status{background:var(--lm-paper);}
.lum-dock, .lum-popover, .lum-help, .lum-spatial-entry, html.lum-spatial .lum-dock, html.lum-spatial .lum-popover, html.lum-spatial .lum-help, html.lum-spatial .lum-spatial-entry, .lum-door-control, html.lum-spatial .lum-door-control{background:var(--lm-dark-solid);}
}
@media (forced-colors:active){
.lum-project-card, .lum-back, .lum-hint, .lum-status, html.lum-spatial .lum-project-card, html.lum-spatial .lum-back, html.lum-spatial .lum-hint, html.lum-spatial .lum-status,.lum-dock, .lum-popover, .lum-help, .lum-spatial-entry, html.lum-spatial .lum-dock, html.lum-spatial .lum-popover, html.lum-spatial .lum-help, html.lum-spatial .lum-spatial-entry,.lum-quality-card, .lum-fallback-card, .lum-door-control, html.lum-spatial .lum-door-control{background:Canvas;color:CanvasText;border:1px solid CanvasText;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none;}
}

@media(max-width:620px){.lum-project-card, .lum-back, .lum-hint, .lum-status{background:var(--lm-paper);backdrop-filter:none;-webkit-backdrop-filter:none;}.lum-dock,.lum-popover, .lum-door-control, html.lum-spatial .lum-door-control{background:var(--lm-dark-solid);backdrop-filter:none;-webkit-backdrop-filter:none;}}
@media(forced-colors:active){.lum-control,.lum-option,.lum-tab,.lum-dialog-close,.lum-hint-dismiss{color:ButtonText;border:1px solid ButtonText;}.lum-control[aria-pressed=true],.lum-option[aria-pressed=true],.lum-tab[aria-selected=true]{border:2px solid Highlight;outline:1px solid Highlight;outline-offset:-4px;box-shadow:none;}}
.lum-back:focus-visible,.lum-hint-dismiss:focus-visible,.lum-hint-guide:focus-visible{outline:3px solid var(--lm-teal);outline-offset:-3px;}
.lum-door-control:hover,.lum-door-control:focus-visible{background:var(--lm-dark-panel);}
@media(forced-colors:active){.lum-back:focus-visible,.lum-hint-dismiss:focus-visible,.lum-hint-guide:focus-visible{outline-color:Highlight;}}

/* Let the first-visit guide follow the actual wrapped header height. */
html:not(.lum-spatial) .lum-hint {
  top: var(--lum-topbar-bottom, max(174px, calc(env(safe-area-inset-top) + 164px)));
  max-height: max(120px, calc(100dvh - var(--lum-topbar-bottom, 174px) - 100px));
  overflow-y: auto;
}
.lum-view-share { margin-top: 24px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.16); }
.lum-view-share h3 { margin-top: 0; }
.lum-view-share .lum-option { box-sizing: border-box; width: 100%; min-height: 44px; border: 1px solid var(--lm-accent-on-dark); border-radius: var(--lm-r-control); justify-content: center; background: var(--lm-accent-on-dark); color: var(--lm-dark-solid); box-shadow: var(--lm-specular); }
.lum-view-share label { display: block; margin: 16px 0 6px; font-size: 12px; }
.lum-view-share input { box-sizing: border-box; width: 100%; min-height: 44px; padding: 10px; border: 1px solid rgba(255,255,255,.25); border-radius: var(--lm-r-control); background: var(--lm-dark-solid); color: var(--lum-mint); font: 400 16px/1.5 var(--lum-font); }
.lum-view-share input:focus-visible { outline: 2px solid var(--lum-mint); outline-offset: 3px; }
.lum-view-status { min-height: 1.5em; margin: 10px 0 0; font-size: 12px; line-height: 1.6; }
@media (forced-colors: active) { .lum-view-share input { background: Canvas; color: CanvasText; border-color: CanvasText; } }

/* Keep the scene in view while preserving named project/quality actions. */
.lum-short-label { display:none; }
@media(max-width:620px) {
  html:not(.lum-spatial) .lum-topbar-actions { flex-wrap:nowrap; gap:6px; }
  html:not(.lum-spatial) .lum-topbar-actions .lum-back { min-height:44px; padding:7px 10px; font-size:11px; letter-spacing:.06em; }
  html:not(.lum-spatial) .lum-topbar-actions > a:first-child { width:44px; flex:0 0 44px; padding:0; font-size:0; }
  html:not(.lum-spatial) .lum-topbar-actions > a:first-child::before { content:""; width:18px; height:18px; background:currentColor; mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='black' stroke-width='1.8' d='M14 5l-7 7 7 7M7 12h13'/%3E%3C/svg%3E") center / contain no-repeat; }
  html:not(.lum-spatial) .lum-wide-label { display:none; }
  html:not(.lum-spatial) .lum-short-label { display:inline; }
}
@media(forced-colors:active){.lum-help-header{background:Canvas;color:CanvasText}.lum-view-share .lum-option{background:ButtonFace;color:ButtonText;border-color:ButtonText;box-shadow:none;}}
@media(forced-colors:active){html:not(.lum-spatial) .lum-topbar-actions > a:first-child::before{forced-color-adjust:none;background:LinkText;}}