:root {
  color-scheme: dark;
}

body {
  margin: 0;
  font-family: "IBM Plex Mono", "Fira Code", "SFMono-Regular", Consolas, monospace;
  min-height: 100vh;
  background: radial-gradient(circle at 15% 15%, rgba(68, 233, 255, 0.08), transparent 55%),
    radial-gradient(circle at 85% 25%, rgba(180, 98, 255, 0.08), transparent 60%),
    #05060c;
  color: #e4f0ff;
}

.crt.fx {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.panel {
  background: rgba(8, 12, 24, 0.82);
  border: 1px solid rgba(120, 220, 255, 0.2);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 30px 60px rgba(2, 6, 23, 0.45), inset 0 1px 0 rgba(160, 220, 255, 0.08);
}

header.panel {
  text-align: center;
  backdrop-filter: blur(6px);
}

header.panel h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.6rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

header.panel p {
  margin: 0.75rem auto 0;
  max-width: 42rem;
  color: rgba(212, 232, 255, 0.75);
  line-height: 1.5;
}

.layout {
  display: grid;
  gap: 1.5rem;
}

.controls .control {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.controls label {
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(212, 232, 255, 0.72);
}

.controls label + select,
.controls label + button {
  flex: 1 1 180px;
}

.controls select,
.controls button {
  background: rgba(12, 18, 38, 0.85);
  color: inherit;
  border: 1px solid rgba(120, 220, 255, 0.35);
  border-radius: 0.6rem;
  padding: 0.5rem 0.8rem;
  font-family: inherit;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.controls select:focus-visible,
.controls button:focus-visible {
  outline: 2px solid rgba(56, 189, 248, 0.9);
  outline-offset: 2px;
}

.controls button:hover,
.controls button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(2, 12, 40, 0.4);
}

.controls button[aria-pressed="true"] {
  background: rgba(46, 143, 255, 0.2);
  border-color: rgba(148, 240, 255, 0.6);
  box-shadow: inset 0 0 0 1px rgba(148, 240, 255, 0.5);
}

.controls .buttons {
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.controls .hint {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.4;
  color: rgba(212, 232, 255, 0.65);
}

.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.sprite-card {
  background: rgba(6, 10, 22, 0.9);
  border: 1px solid rgba(120, 220, 255, 0.18);
  border-radius: 1rem;
  padding: 1rem;
  display: grid;
  gap: 0.75rem;
  cursor: pointer;
  position: relative;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.sprite-card:hover,
.sprite-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(148, 240, 255, 0.55);
  box-shadow: 0 20px 40px rgba(2, 6, 23, 0.5);
  outline: none;
}

.sprite-card.selected {
  border-color: rgba(94, 234, 212, 0.9);
  box-shadow: 0 20px 44px rgba(20, 230, 255, 0.45);
}

.sprite-viewports {
  display: grid;
  gap: 0.75rem;
  width: 100%;
}

.sprite-viewports.dual {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sprite-viewports svg,
.sprite-card svg {
  width: 100%;
  height: auto;
  display: block;
}

.sprite-card .meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: rgba(212, 232, 255, 0.7);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
}

.detail {
  display: grid;
  gap: 1.5rem;
}

.detail-visual {
  background: linear-gradient(135deg, rgba(8, 14, 32, 0.8), rgba(12, 20, 40, 0.95));
  border-radius: 1rem;
  padding: 1rem;
  border: 1px solid rgba(120, 220, 255, 0.25);
  display: flex;
  justify-content: center;
  align-items: stretch;
}


.detail-viewports {
  max-width: 100%;
}

@media (max-width: 720px) {
  .sprite-viewports.dual {
    grid-template-columns: 1fr;
  }
}

.detail-definition h2 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(212, 232, 255, 0.8);
}

.detail-definition pre {
  margin: 0;
  background: rgba(4, 8, 20, 0.85);
  border: 1px solid rgba(120, 220, 255, 0.15);
  border-radius: 0.75rem;
  padding: 1rem;
  overflow: auto;
  max-height: 26rem;
  font-size: 0.8rem;
  line-height: 1.5;
  color: rgba(215, 235, 255, 0.85);
}

svg {
  overflow: visible;
}

.ship-root {
  transform-origin: 50% 50%;
  animation: hover 6s ease-in-out infinite;
}

.thruster-flame {
  animation-duration: 620ms;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  animation-direction: alternate;
}

.thruster-flame--vertical {
  transform-origin: 50% 100%;
  animation-name: flame-vertical;
}

.thruster-flame--horizontal {
  transform-origin: 100% 50%;
  animation-name: flame-horizontal;
}

.thruster-flame:nth-child(odd) {
  animation-duration: 540ms;
}

.panel svg {
  filter: drop-shadow(0 0 18px rgba(94, 234, 212, 0.2));
}

@keyframes hover {
  0% {
    transform: translateY(-2px) scale(0.99);
  }
  50% {
    transform: translateY(2px) scale(1.01);
  }
  100% {
    transform: translateY(-2px) scale(0.99);
  }
}

@keyframes flame-vertical {
  0% {
    transform: scaleY(0.85);
    opacity: 0.7;
  }
  100% {
    transform: scaleY(1.15);
    opacity: 1;
  }
}

@keyframes flame-horizontal {
  0% {
    transform: scaleX(0.85);
    opacity: 0.72;
  }
  100% {
    transform: scaleX(1.12);
    opacity: 1;
  }
}

@media (min-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .detail {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas:
      "controls detail"
      "grid detail";
  }

  .controls {
    grid-area: controls;
  }

  .grid {
    grid-area: grid;
  }

  .detail {
    grid-area: detail;
  }
}