:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #020306;
  color: #edf4f8;
}

* {
  box-sizing: border-box;
}

html,
body,
#app {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
}

body {
  background: #020306;
}

button {
  font: inherit;
}

#space-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  background: #020306;
  transform: scale(1);
  filter: brightness(1) contrast(1);
  transition:
    transform 2.6s cubic-bezier(0.16, 1, 0.3, 1),
    filter 2.6s cubic-bezier(0.16, 1, 0.3, 1);
}

#cruise-canvas {
  position: fixed;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  opacity: 0.74;
  mix-blend-mode: screen;
}

.static-fallback {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background: #020306;
}

.static-fallback img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.92) contrast(1.05);
}

#app.no-webgl #space-canvas,
#app.no-webgl #cruise-canvas,
#app.no-webgl #warp-canvas {
  display: none;
}

#app.no-webgl .static-fallback {
  display: block;
}

#warp-canvas {
  position: fixed;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  opacity: 0;
  mix-blend-mode: screen;
  transition: opacity 0.22s ease;
}

#app.is-transitioning #space-canvas {
  transform: scale(1);
  filter: brightness(0.42) contrast(1.48) saturate(0.64);
  animation: dso-transition-visibility 6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

#app.is-transitioning #warp-canvas {
  opacity: 0.96;
}

#app.is-transitioning .target-panel {
  opacity: 0;
  transform: translateY(0.7rem);
}

#app.is-transitioning .target-rail {
  opacity: 0;
  transform: translateY(-0.45rem);
}

#app.is-transitioning .viewer-controls {
  opacity: 0;
  pointer-events: none;
}

#app.ui-idle .target-panel,
#app.ui-idle .target-rail,
#app.ui-idle .viewer-controls {
  opacity: 0;
  pointer-events: none;
}

#app.ui-idle .target-panel {
  transform: translateY(0.45rem);
}

#app.ui-idle .target-rail {
  transform: translateY(-0.35rem);
}

#app.ui-idle .viewer-controls {
  transform: translateY(0.35rem);
}

#app.is-auto-running:not(.auto-run-controls-visible) .target-rail,
#app.is-auto-running:not(.auto-run-controls-visible) .viewer-controls {
  opacity: 0;
  pointer-events: none;
}

#app.is-auto-running:not(.auto-run-controls-visible) .target-rail {
  transform: translateY(-0.35rem);
}

#app.is-auto-running:not(.auto-run-controls-visible) .viewer-controls {
  transform: translateY(0.35rem);
}

#app.is-presenting .target-rail {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-0.45rem);
}

#app.is-presenting .target-panel {
  bottom: clamp(1rem, 3vh, 2rem);
  width: min(34rem, calc(100vw - 2rem));
  opacity: 0.82;
}

#app.is-presenting .target-facts {
  display: none;
}

#app.is-presenting .viewer-controls {
  left: 50%;
  right: auto;
  bottom: clamp(0.9rem, 2.4vh, 1.5rem);
  transform: translateX(-50%);
  opacity: 0.88;
}

#app.is-presenting.ui-idle .viewer-controls {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 0.35rem);
}

#app.is-presenting.is-auto-running:not(.auto-run-controls-visible) .viewer-controls {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 0.35rem);
}

#app.is-presenting .viewer-controls .control-link {
  display: none;
}

#app.is-presenting .viewer-controls button {
  min-width: 4rem;
}

#app.is-presenting .viewer-controls #presentation-toggle {
  min-width: 6.3rem;
}

.welcome-overlay {
  position: fixed;
  inset: 0;
  z-index: 8;
  display: grid;
  place-items: center;
  padding: 1.2rem;
  background: #020306;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.42s ease;
}

.welcome-sky {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  background: url("/assets/targets/western-veil/star-field.webp");
  background-position: center;
  background-size: cover;
  opacity: 1;
}

.welcome-sky::before {
  content: none;
}

.welcome-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.welcome-content {
  position: relative;
  z-index: 1;
  width: min(43rem, 100%);
  border: 1px solid rgba(222, 242, 248, 0.2);
  border-radius: 8px;
  padding: clamp(1.25rem, 4vw, 2.4rem);
  background: rgba(3, 7, 12, 0.76);
  box-shadow: 0 1.2rem 4rem rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(18px);
}

.welcome-content h1 {
  max-width: 12ch;
  font-size: clamp(2rem, 6vw, 4.25rem);
}

.welcome-content p:not(.eyebrow) {
  max-width: 38rem;
  margin: 1.15rem 0 0;
  color: #d9e6ec;
  font-size: clamp(1rem, 2vw, 1.12rem);
  line-height: 1.6;
}

.welcome-tour {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
  margin-top: 1.35rem;
}

.tour-label {
  grid-column: 1 / -1;
  margin: 0;
  color: #a6c5cf;
  font-size: 0.74rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.welcome-tour button {
  min-height: 4.2rem;
  border: 1px solid rgba(222, 242, 248, 0.24);
  border-radius: 8px;
  background: rgba(9, 19, 27, 0.76);
  color: #edf4f8;
  cursor: pointer;
  padding: 0.72rem;
  text-align: left;
}

.welcome-tour button strong,
.welcome-tour button span {
  display: block;
}

.welcome-tour button strong {
  font-size: 0.94rem;
}

.welcome-tour button span {
  margin-top: 0.22rem;
  color: #aebec5;
  font-size: 0.78rem;
}

.welcome-tour button.is-selected {
  border-color: rgba(133, 219, 255, 0.82);
  background: rgba(28, 71, 91, 0.82);
  box-shadow: inset 0 0 0 1px rgba(216, 245, 255, 0.2);
}

.welcome-actions {
  display: grid;
  gap: 1.05rem;
  margin-top: 1.45rem;
}

.welcome-toggle-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.62rem;
  max-width: 37rem;
  padding: 0.15rem 0 0.1rem;
}

.welcome-primary-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  padding-top: 0.28rem;
  border-top: 1px solid rgba(222, 242, 248, 0.12);
}

.welcome-actions button,
.welcome-actions a,
.guide-header button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.45rem;
  border: 1px solid rgba(222, 242, 248, 0.28);
  border-radius: 999px;
  background: rgba(17, 31, 40, 0.72);
  color: #eef7fa;
  cursor: pointer;
  padding: 0 1rem;
  text-decoration: none;
}

.welcome-actions a[hidden] {
  display: none;
}

#start-experience {
  border-color: rgba(133, 219, 255, 0.6);
  background: rgba(40, 95, 118, 0.84);
  min-width: 12.8rem;
  min-height: 2.75rem;
  box-shadow: 0 0.7rem 1.8rem rgba(23, 93, 121, 0.2);
  font-weight: 750;
}

.welcome-actions .choice-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  padding-right: 0.4rem;
}

.choice-toggle__state {
  min-width: 3.2rem;
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  background: rgba(5, 9, 14, 0.72);
  color: #aebcc4;
  text-align: center;
  transition: background 0.18s ease, color 0.18s ease;
}

.choice-toggle.is-selected {
  border-color: rgba(133, 219, 255, 0.82);
  background: rgba(28, 71, 91, 0.78);
}

.choice-toggle.is-selected .choice-toggle__state {
  background: #d8f5ff;
  color: #071016;
}

.welcome-actions button:hover,
.welcome-actions button:focus-visible,
.welcome-actions a:hover,
.welcome-actions a:focus-visible,
.welcome-tour button:hover,
.welcome-tour button:focus-visible,
.guide-header button:hover,
.guide-header button:focus-visible {
  border-color: rgba(222, 242, 248, 0.74);
  outline: none;
}

.cosmic-guide {
  position: fixed;
  top: clamp(5.1rem, 11vh, 7rem);
  right: clamp(0.9rem, 3vw, 2rem);
  z-index: 6;
  width: min(24rem, calc(100vw - 1.8rem));
  border: 1px solid rgba(222, 242, 248, 0.2);
  border-radius: 8px;
  padding: 1rem;
  background: rgba(3, 7, 12, 0.72);
  color: #e8f2f5;
  box-shadow: 0 1rem 2.4rem rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(16px);
  opacity: 0;
  transform: translateY(-0.45rem);
  pointer-events: none;
  transition:
    opacity 0.35s ease,
    transform 0.35s ease;
}

.cosmic-guide.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.cosmic-guide.is-idle {
  opacity: 0;
  transform: translateY(-0.35rem);
  pointer-events: none;
}

.guide-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cosmic-guide h2 {
  margin: 0.15rem 0 0;
  color: #f5fbff;
  font-size: 1.35rem;
  line-height: 1.12;
}

.guide-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.45rem;
  margin: 0.82rem 0 0;
}

.guide-meta div {
  min-width: 0;
  border: 1px solid rgba(222, 242, 248, 0.16);
  border-radius: 8px;
  padding: 0.52rem 0.58rem;
  background: rgba(9, 19, 27, 0.64);
}

.guide-meta dt {
  margin: 0 0 0.18rem;
  color: #93adba;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.guide-meta dd {
  margin: 0;
  color: #f1f8fb;
  font-size: 0.78rem;
  line-height: 1.2;
}

.cosmic-guide p {
  margin: 0.75rem 0 0;
  color: #d7e5eb;
  font-size: 0.94rem;
  line-height: 1.5;
}

.cosmic-guide ul {
  display: grid;
  gap: 0.58rem;
  margin: 0.85rem 0 0;
  padding: 0;
  color: #c6d8df;
  font-size: 0.9rem;
  line-height: 1.45;
  list-style: none;
}

.cosmic-guide li {
  position: relative;
  padding-left: 1.05rem;
}

.cosmic-guide li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.32rem;
  height: 0.32rem;
  border-radius: 999px;
  background: #98dfff;
  box-shadow: 0 0 0.65rem rgba(152, 223, 255, 0.55);
}

.target-panel {
  transition:
    opacity 0.62s ease,
    transform 0.62s ease;
}

.target-rail {
  transition:
    opacity 0.45s ease,
    transform 0.45s ease;
}

.target-panel {
  position: fixed;
  left: clamp(1rem, 4vw, 3.5rem);
  bottom: clamp(1rem, 5vh, 3rem);
  z-index: 4;
  width: min(37rem, calc(100vw - 2rem));
  padding-right: 7.5rem;
  text-shadow: 0 0.08rem 0.6rem rgba(0, 0, 0, 0.82);
}

.target-rail {
  position: fixed;
  top: clamp(0.8rem, 2vw, 1.35rem);
  right: clamp(0.8rem, 2vw, 1.35rem);
  z-index: 5;
  display: flex;
  gap: 0.55rem;
  max-width: min(48rem, calc(100vw - 1.6rem));
  overflow-x: auto;
  padding: 0.1rem;
  scrollbar-width: thin;
}

.target-card {
  display: grid;
  grid-template-columns: 4.4rem minmax(8rem, 1fr);
  gap: 0.55rem;
  align-items: center;
  min-width: 15rem;
  max-width: 18rem;
  min-height: 3.6rem;
  border: 1px solid rgba(222, 242, 248, 0.22);
  border-radius: 8px;
  background: rgba(4, 7, 11, 0.58);
  color: #eef7fa;
  text-align: left;
  cursor: pointer;
  backdrop-filter: blur(14px);
  box-shadow: 0 0.6rem 1.8rem rgba(0, 0, 0, 0.16);
}

.target-card:hover,
.target-card:focus-visible {
  border-color: rgba(222, 242, 248, 0.72);
  outline: none;
}

.target-card[aria-current="true"] {
  border-color: rgba(185, 229, 255, 0.82);
  background: rgba(17, 31, 40, 0.72);
}

.target-card:disabled {
  cursor: default;
  opacity: 0.62;
}

.target-card img {
  width: 4.4rem;
  height: 3.15rem;
  border-radius: 6px;
  object-fit: cover;
  background: #020306;
}

.target-card span {
  display: grid;
  gap: 0.18rem;
  min-width: 0;
}

.target-card strong,
.target-card small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.target-card strong {
  font-size: 0.88rem;
  font-weight: 720;
}

.target-card small {
  color: #a8bdc7;
  font-size: 0.72rem;
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: #a6c5cf;
  font-size: 0.76rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: #f5fbff;
  font-size: clamp(2rem, 6vw, 4.8rem);
  font-weight: 680;
  line-height: 0.95;
  letter-spacing: 0;
}

.target-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  margin: 1.15rem 0 0;
  color: #dfe9ee;
}

.target-facts div {
  min-width: 8.5rem;
}

.target-facts dt {
  margin: 0 0 0.2rem;
  color: #94aab5;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.target-facts dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.35;
}

.viewer-controls {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 4vh, 2rem);
  z-index: 5;
  display: flex;
  gap: 0.5rem;
  transition:
    opacity 0.45s ease,
    transform 0.45s ease;
}

.viewer-controls button,
.viewer-controls .control-link {
  min-width: 4.3rem;
  height: 2.35rem;
  border: 1px solid rgba(222, 242, 248, 0.28);
  border-radius: 999px;
  background: rgba(4, 7, 11, 0.56);
  color: #eef7fa;
  cursor: pointer;
  backdrop-filter: blur(14px);
}

.viewer-controls button:hover,
.viewer-controls button:focus-visible,
.viewer-controls .control-link:hover,
.viewer-controls .control-link:focus-visible {
  border-color: rgba(222, 242, 248, 0.74);
  outline: none;
}

.viewer-controls button.is-selected,
.viewer-controls button[aria-pressed="true"] {
  border-color: rgba(133, 219, 255, 0.82);
  background: rgba(28, 71, 91, 0.78);
}

.viewer-controls .control-link {
  display: inline-grid;
  place-items: center;
  padding: 0 0.8rem;
  text-decoration: none;
}

.viewer-controls button:disabled {
  cursor: default;
  opacity: 0.56;
}

.fallback-note {
  position: fixed;
  left: -100vw;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

@media (max-width: 720px) {
  .welcome-tour {
    grid-template-columns: 1fr;
  }

  .target-rail {
    left: 0.75rem;
    right: 0.75rem;
    max-width: none;
  }

  .target-card {
    grid-template-columns: 3.8rem minmax(7rem, 1fr);
    min-width: 13rem;
  }

  .target-card img {
    width: 3.8rem;
    height: 2.75rem;
  }

  .target-panel {
    padding-right: 0;
    bottom: 4.7rem;
  }

  .target-facts {
    gap: 0.65rem 1rem;
  }

  .target-facts div {
    min-width: 7.1rem;
  }

  .viewer-controls {
    left: clamp(1rem, 4vw, 3.5rem);
    right: auto;
    flex-wrap: wrap;
    max-width: calc(100vw - 2rem);
  }

  #app.is-presenting .viewer-controls {
    left: 50%;
    right: auto;
    justify-content: center;
    width: calc(100vw - 1.5rem);
    transform: translateX(-50%);
  }

  #app.is-presenting .target-panel {
    bottom: 7.4rem;
  }

  #app.is-presenting.ui-idle .viewer-controls {
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, 0.35rem);
  }

  #app.is-presenting.is-auto-running:not(.auto-run-controls-visible) .viewer-controls {
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, 0.35rem);
  }

  .cosmic-guide {
    top: auto;
    right: 0.75rem;
    bottom: 6rem;
    width: calc(100vw - 1.5rem);
    max-height: 44vh;
    overflow-y: auto;
  }

  .guide-meta {
    grid-template-columns: 1fr;
  }

  .welcome-overlay {
    align-items: start;
    overflow-y: auto;
    padding: 0.85rem;
  }

  .welcome-content {
    margin: 0.55rem 0 1rem;
    padding: 1.1rem;
  }

  .welcome-content h1 {
    font-size: 2.35rem;
  }

  .welcome-content p:not(.eyebrow) {
    margin-top: 0.85rem;
    font-size: 0.98rem;
    line-height: 1.45;
  }

  .welcome-tour {
    gap: 0.45rem;
    margin-top: 1rem;
  }

  .welcome-tour button {
    min-height: 3.35rem;
    padding: 0.62rem;
  }

  .welcome-actions {
    gap: 0.5rem;
    margin-top: 1rem;
  }

  .welcome-toggle-group {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .welcome-primary-actions {
    gap: 0.5rem;
    margin-top: 0.15rem;
    padding-top: 0.65rem;
  }

  .welcome-actions button,
  .welcome-actions a {
    min-height: 2.25rem;
  }

  #start-experience {
    min-width: min(100%, 13rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .viewer-controls {
    display: none;
  }
}

@keyframes dso-transition-visibility {
  0% {
    opacity: 1;
  }

  18% {
    opacity: 0;
  }

  63% {
    opacity: 0;
  }

  72% {
    opacity: 0.16;
  }

  86% {
    opacity: 0.46;
  }

  100% {
    opacity: 1;
  }
}