.vaste-demo {
  --demo-blue: 125, 211, 252;
  --demo-violet: 167, 139, 250;
  --demo-mint: 45, 212, 191;
  --demo-pink: 244, 114, 182;
  --demo-edge: clamp(0.5rem, 1.1vw, 1.375rem);
  position: relative;
  width: calc(100vw - (var(--demo-edge) * 2));
  max-width: 1880px;
  margin-left: max(calc(50% - 50vw + var(--demo-edge)), calc(50% - 940px));
  overflow: hidden;
  padding: clamp(1rem, 2.1vw, 2.35rem);
  border-color: rgba(var(--demo-blue), 0.16);
  background:
    radial-gradient(circle at 82% 10%, rgba(var(--demo-blue), 0.09), transparent 30%),
    radial-gradient(circle at 12% 110%, rgba(var(--demo-violet), 0.08), transparent 36%),
    #06080d;
}

.vaste-demo::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.014) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, black, transparent 54%);
}

.vaste-demo__intro,
.vaste-demo__window {
  position: relative;
  z-index: 1;
}

.vaste-demo__intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: clamp(1.25rem, 3vw, 3rem);
  margin-bottom: clamp(1.1rem, 2vw, 1.65rem);
}

.vaste-demo__intro .section-head {
  max-width: 760px;
}

.vaste-demo__legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.45rem 0.85rem;
  color: var(--color-text-muted, #9ca3af);
  font: 600 0.68rem/1.2 var(--font-mono, monospace);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.vaste-demo__legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
}

.vaste-demo__legend i {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: rgb(var(--demo-blue));
  box-shadow: 0 0 10px rgba(var(--demo-blue), 0.6);
}

.vaste-demo__legend i[data-tone="action"] { background: rgb(var(--demo-violet)); box-shadow: 0 0 10px rgba(var(--demo-violet), 0.6); }
.vaste-demo__legend i[data-tone="surface"] { background: rgb(var(--demo-mint)); box-shadow: 0 0 10px rgba(var(--demo-mint), 0.6); }
.vaste-demo__legend i[data-tone="environment"] { background: rgb(var(--demo-pink)); box-shadow: 0 0 10px rgba(var(--demo-pink), 0.6); }
.vaste-demo__legend i[data-tone="extension"] { background: #fbbf24; box-shadow: 0 0 10px rgba(251, 191, 36, 0.6); }
.vaste-demo__legend i[data-tone="tie"] { width: 0.72rem; height: 1px; border-radius: 0; background: rgba(226, 232, 240, 0.72); box-shadow: none; }

.vaste-demo__window {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: clamp(0.85rem, 1.2vw, 1.15rem);
  background: rgba(3, 5, 9, 0.88);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4), inset 0 1px rgba(255, 255, 255, 0.04);
}

.vaste-demo__chrome {
  min-height: 2.7rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 clamp(0.8rem, 1.4vw, 1.2rem);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.025);
  color: rgba(255, 255, 255, 0.48);
  font: 600 0.62rem/1 var(--font-mono, monospace);
  letter-spacing: 0.12em;
}

.vaste-demo__chrome-state { color: rgba(var(--demo-mint), 0.76); }
.vaste-demo__chrome-state::before { content: ""; display: inline-block; width: 0.38rem; height: 0.38rem; margin-right: 0.42rem; border-radius: 50%; background: rgb(var(--demo-mint)); box-shadow: 0 0 9px rgba(var(--demo-mint), 0.55); vertical-align: 0.04rem; }

.vaste-demo__scenes {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem;
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.vaste-demo__scenes::-webkit-scrollbar { display: none; }

.vaste-demo__scene,
.vaste-demo__toolbar button {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.11);
  color: rgba(255, 255, 255, 0.68);
  background: rgba(255, 255, 255, 0.025);
  font: 600 0.7rem/1 var(--font-mono, monospace);
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease, transform 160ms ease;
}

.vaste-demo__scene {
  flex: 0 0 auto;
  padding: 0.65rem 0.85rem;
  border-radius: 999px;
}

.vaste-demo__scene:hover,
.vaste-demo__scene:focus-visible,
.vaste-demo__toolbar button:hover,
.vaste-demo__toolbar button:focus-visible {
  color: #fff;
  border-color: rgba(var(--demo-blue), 0.45);
  background: rgba(var(--demo-blue), 0.07);
}

.vaste-demo__scene.is-active {
  color: #fff;
  border-color: rgba(var(--demo-blue), 0.5);
  background: rgba(var(--demo-blue), 0.11);
  box-shadow: inset 0 0 18px rgba(var(--demo-blue), 0.05);
}

.vaste-demo__workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(340px, 28vw, 460px);
  align-items: start;
}

.vaste-demo__canvas-shell {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border-right: 1px solid rgba(255, 255, 255, 0.07);
  background:
    radial-gradient(circle at 50% 46%, rgba(var(--demo-blue), 0.045), transparent 38%),
    #030509;
  touch-action: none;
  user-select: none;
  height: clamp(580px, 48vw, 720px);
}

.vaste-demo__canvas {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  cursor: grab;
}

.vaste-demo__canvas.is-dragging { cursor: grabbing; }
.vaste-demo__canvas.is-linking { cursor: crosshair; }

.vaste-demo__canvas-label {
  position: absolute;
  top: 0.8rem;
  left: 0.85rem;
  right: 0.85rem;
  display: flex;
  justify-content: space-between;
  pointer-events: none;
  color: rgba(255, 255, 255, 0.31);
  font: 500 0.58rem/1 var(--font-mono, monospace);
  letter-spacing: 0.1em;
}

.vaste-demo__hint {
  position: absolute;
  left: 50%;
  bottom: 0.75rem;
  transform: translateX(-50%);
  margin: 0;
  width: max-content;
  max-width: calc(100% - 2rem);
  padding: 0.45rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.42);
  background: rgba(3, 5, 9, 0.7);
  backdrop-filter: blur(8px);
  font: 500 0.62rem/1.25 var(--font-mono, monospace);
  text-align: center;
  pointer-events: none;
}

.vaste-demo__inspector {
  padding: clamp(1rem, 1.6vw, 1.6rem);
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.025), transparent 58%);
  height: clamp(580px, 48vw, 720px);
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(var(--demo-blue), 0.22) transparent;
}

.vaste-demo__selection-head { min-height: 9.5rem; }

.vaste-demo__inspector-kicker {
  margin: 0 0 0.8rem;
  color: rgba(var(--demo-blue), 0.72);
  font: 600 0.62rem/1 var(--font-mono, monospace);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.vaste-demo__inspector h3 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
}

.vaste-demo__selection-head > p:not(.vaste-demo__inspector-kicker) {
  min-height: 4.5em;
  color: var(--color-text-muted, #a3a3a3);
  font-size: 0.82rem;
  line-height: 1.55;
}

.vaste-demo__inspector dl { margin: 1rem 0; }
.vaste-demo__inspector dl div { display: grid; grid-template-columns: 3.8rem 1fr; gap: 0.5rem; padding: 0.52rem 0; border-top: 1px solid rgba(255, 255, 255, 0.07); }
.vaste-demo__inspector dt { color: rgba(255, 255, 255, 0.32); font: 600 0.57rem/1.4 var(--font-mono, monospace); letter-spacing: 0.08em; }
.vaste-demo__inspector dd { margin: 0; color: rgba(255, 255, 255, 0.72); font: 500 0.64rem/1.4 var(--font-mono, monospace); overflow-wrap: anywhere; }
.vaste-demo__inspector-note { margin: 0; padding-top: 1rem; border-top: 1px solid rgba(255, 255, 255, 0.07); color: rgba(255, 255, 255, 0.31); font-size: 0.67rem; line-height: 1.5; }

.vaste-demo__facts { display: grid; gap: 0.5rem; margin-bottom: 1rem; }
.vaste-demo__facts section { padding: 0.75rem; border: 1px solid rgba(255, 255, 255, 0.075); border-radius: 0.6rem; background: rgba(255, 255, 255, 0.018); }
.vaste-demo__facts h4 { margin: 0 0 0.55rem; color: rgba(var(--demo-blue), 0.62); font: 600 0.56rem/1.2 var(--font-mono, monospace); letter-spacing: 0.09em; }
.vaste-demo__facts ul { display: grid; gap: 0.32rem; margin: 0; padding: 0; list-style: none; }
.vaste-demo__facts li { position: relative; padding-left: 0.7rem; color: rgba(255, 255, 255, 0.62); font: 500 0.62rem/1.45 var(--font-mono, monospace); overflow-wrap: anywhere; }
.vaste-demo__facts li::before { content: ""; position: absolute; left: 0; top: 0.48em; width: 0.26rem; height: 0.26rem; border-radius: 50%; background: rgba(255, 255, 255, 0.22); }
.vaste-demo__facts li[data-status="active"]::before { background: rgb(var(--demo-mint)); box-shadow: 0 0 7px rgba(var(--demo-mint), 0.55); }

.vaste-demo__toolbar {
  display: flex;
  align-items: center;
  gap: 0.42rem;
  min-height: 4rem;
  padding: 0.7rem clamp(0.7rem, 1.2vw, 1rem);
  overflow-x: auto;
  scrollbar-width: none;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.vaste-demo__toolbar::-webkit-scrollbar { display: none; }
.vaste-demo__toolbar button { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.62rem 0.72rem; border-radius: 0.5rem; }
.vaste-demo__toolbar button[aria-pressed="true"] { color: rgba(var(--demo-mint), 0.9); border-color: rgba(var(--demo-mint), 0.26); }
.vaste-demo__toolbar button.is-active { color: #fff; border-color: rgba(var(--demo-violet), 0.6); background: rgba(var(--demo-violet), 0.1); }
.vaste-demo__toolbar button:disabled { opacity: 0.32; cursor: not-allowed; border-color: rgba(255, 255, 255, 0.08); background: transparent; }
.vaste-demo__live { margin-left: auto; flex: 0 0 auto; padding: 0 0.35rem; color: rgba(255, 255, 255, 0.34); font: 500 0.6rem/1.2 var(--font-mono, monospace); }

@media (max-width: 900px) {
  .vaste-demo__intro { grid-template-columns: 1fr; align-items: start; }
  .vaste-demo__legend { justify-content: flex-start; }
  .vaste-demo__workspace { grid-template-columns: 1fr; }
  .vaste-demo__canvas-shell { height: clamp(500px, 70vw, 620px); border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, 0.07); }
  .vaste-demo__inspector { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(360px, 1.2fr); height: auto; overflow: visible; align-items: start; gap: 0 clamp(1rem, 3vw, 2.5rem); }
  .vaste-demo__selection-head { min-height: 0; }
  .vaste-demo__inspector dl { grid-column: 1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.5rem; margin: 0.8rem 0; }
  .vaste-demo__inspector dl div { display: block; min-width: 0; padding: 0.68rem 0.75rem; border: 1px solid rgba(255, 255, 255, 0.07); border-radius: 0.55rem; background: rgba(255, 255, 255, 0.018); }
  .vaste-demo__inspector dl div:first-child { grid-column: 1 / -1; }
  .vaste-demo__inspector dd { margin-top: 0.28rem; }
  .vaste-demo__facts { grid-column: 2; grid-row: 1 / span 3; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .vaste-demo__inspector-note { grid-column: 1; }
}

@media (max-width: 720px) {
  .vaste-demo {
    --demo-edge: 0px;
    width: 100vw;
    margin-left: calc(50% - 50vw);
    padding: 1rem 0 0;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }
  .vaste-demo__intro { display: block; margin-bottom: 1rem; padding-inline: 1rem; }
  .vaste-demo__intro .section-head { max-width: none; }
  .vaste-demo__intro .lede { max-width: 42rem; }
  .vaste-demo__legend { display: grid; grid-template-columns: repeat(3, minmax(0, auto)); justify-content: start; gap: 0.55rem 0.72rem; margin-top: 1rem; font-size: 0.58rem; }
  .vaste-demo__window { border-right: 0; border-left: 0; border-radius: 0; }
  .vaste-demo__chrome { min-height: 2.55rem; padding-inline: 0.85rem; font-size: 0.56rem; }
  .vaste-demo__scenes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.35rem; padding: 0.58rem; overflow: visible; }
  .vaste-demo__scene { min-height: 2.7rem; padding: 0.55rem 0.38rem; white-space: normal; line-height: 1.25; text-align: center; }
  .vaste-demo__workspace { min-height: 0; }
  .vaste-demo__canvas-shell { height: clamp(460px, 126vw, 540px); }
  .vaste-demo__canvas-label { top: 0.65rem; left: 0.7rem; right: 0.7rem; font-size: 0.52rem; }
  .vaste-demo__hint { bottom: 0.6rem; max-width: calc(100% - 1.2rem); width: auto; font-size: 0.55rem; line-height: 1.35; }
  .vaste-demo__inspector { display: block; height: auto; padding: 1rem; }
  .vaste-demo__selection-head > p:not(.vaste-demo__inspector-kicker) { min-height: 0; }
  .vaste-demo__inspector dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.42rem; margin: 0.9rem 0; }
  .vaste-demo__inspector dl div { display: block; min-width: 0; padding: 0.6rem 0.65rem; border: 1px solid rgba(255, 255, 255, 0.07); border-radius: 0.5rem; background: rgba(255, 255, 255, 0.018); }
  .vaste-demo__inspector dl div:first-child { grid-column: 1 / -1; }
  .vaste-demo__inspector dd { margin-top: 0.25rem; }
  .vaste-demo__facts { display: grid; grid-template-columns: 1fr; margin-top: 0.85rem; }
  .vaste-demo__toolbar { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.4rem; padding: 0.6rem; overflow: visible; }
  .vaste-demo__toolbar button { width: 100%; min-height: 2.8rem; justify-content: center; padding: 0.55rem 0.35rem; font-size: 0.61rem; line-height: 1.2; text-align: center; white-space: normal; }
  .vaste-demo__toolbar button[data-demo-action="links"] { grid-column: span 1; }
  .vaste-demo__toolbar button[data-demo-action="reset"] { grid-column: span 2; }
  .vaste-demo__live { display: none; }
}

@media (max-width: 360px) {
  .vaste-demo__legend { grid-template-columns: repeat(2, max-content); }
  .vaste-demo__chrome-state { font-size: 0; }
  .vaste-demo__chrome-state::before { margin-right: 0; }
  .vaste-demo__scene { font-size: 0.61rem; }
  .vaste-demo__canvas-shell { height: 450px; }
  .vaste-demo__toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .vaste-demo__toolbar button[data-demo-action="reset"] { grid-column: 1 / -1; }
}

@media (prefers-reduced-motion: reduce) {
  .vaste-demo__scene,
  .vaste-demo__toolbar button { transition: none; }
}