:root {
  --voxel-stage-border: rgba(150, 200, 255, 0.12);
  --voxel-stage-bg: linear-gradient(180deg, rgba(17, 22, 31, 0.88), rgba(8, 11, 17, 0.94));
  --voxel-canvas-bg: linear-gradient(180deg, rgba(180, 220, 255, 0.96), rgba(121, 181, 240, 0.94) 42%, rgba(52, 92, 139, 0.9) 100%);
  --voxel-note: rgba(221, 233, 246, 0.72);
  --voxel-box-bg: rgba(255, 255, 255, 0.02);
  --voxel-box-border: rgba(255, 255, 255, 0.06);
}

body[data-theme="night"] {
  --voxel-stage-border: rgba(115, 149, 255, 0.18);
  --voxel-stage-bg: linear-gradient(180deg, rgba(12, 16, 28, 0.96), rgba(5, 8, 16, 0.98));
  --voxel-canvas-bg: radial-gradient(circle at 50% 18%, rgba(86, 105, 164, 0.24), rgba(7, 10, 18, 0.06) 46%, rgba(4, 7, 14, 0.97) 100%);
  --voxel-note: rgba(200, 212, 230, 0.74);
  --voxel-box-bg: rgba(255, 255, 255, 0.025);
  --voxel-box-border: rgba(255, 255, 255, 0.08);
}

.voxel-hero {
  padding-top: 2.5rem;
}

.voxel-hero-copy {
  max-width: min(1240px, 94vw);
}

.voxel-layout {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 1rem;
  align-items: start;
}

.voxel-stage {
  padding: 0.8rem;
  border-radius: 18px;
  border: 1px solid var(--voxel-stage-border);
  background: var(--voxel-stage-bg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.stage-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
  margin-bottom: 0.8rem;
}

.stage-top h2,
.parameter-card h2,
.notes-card h2 {
  margin: 0;
  font-size: 1.05rem;
}

.stage-top .meta {
  margin-top: 0.55rem;
}

.stage-shell {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--voxel-canvas-bg);
}

#voxel-canvas {
  width: 100%;
  aspect-ratio: 16 / 10;
  display: block;
  background: transparent;
  touch-action: none;
  cursor: grab;
}

#voxel-canvas:active {
  cursor: grabbing;
}

.stage-overlay {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  pointer-events: none;
}

.overlay-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(7, 11, 18, 0.56);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(233, 244, 255, 0.84);
  font-size: 0.76rem;
  backdrop-filter: blur(8px);
}

.control-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.9rem;
}

.control-bar .btn {
  background: rgba(255, 255, 255, 0.04);
}

.seed-field {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.seed-field input {
  width: 8.5rem;
  border: 0;
  outline: none;
  background: transparent;
  color: inherit;
  font: 500 0.95rem "Space Grotesk", sans-serif;
}

.voxel-side {
  display: grid;
  gap: 1rem;
}

.parameter-card {
  background: linear-gradient(160deg, var(--panel), var(--panel-2));
}

.panel-stack {
  display: grid;
  gap: 0.8rem;
}

.panel-box {
  padding: 0.8rem;
  border-radius: 12px;
  border: 1px solid var(--voxel-box-border);
  background: var(--voxel-box-bg);
  display: grid;
  gap: 0.7rem;
}

.panel-box-title {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 500;
}

.param-grid {
  display: grid;
  gap: 0.85rem;
}

.param-item {
  display: grid;
  gap: 0.35rem;
  color: var(--text);
}

.param-item > span:first-child {
  font-size: 0.95rem;
}

.param-value {
  color: var(--muted);
  font-size: 0.82rem;
}

.param-item input {
  width: 100%;
  accent-color: var(--accent);
}

@media (max-width: 980px) {
  .voxel-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .stage-top {
    align-items: stretch;
    flex-direction: column;
  }

  .control-bar {
    align-items: stretch;
  }

  .control-bar .btn,
  .seed-field {
    width: 100%;
    justify-content: center;
  }

  .seed-field {
    border-radius: 18px;
  }

  .seed-field input {
    width: 100%;
    text-align: center;
  }

  .panel-box {
    padding: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .overlay-pill,
  .voxel-stage,
  .parameter-card {
    transition: none;
  }
}