:root {
  --xp-bg: rgba(10, 14, 20, 0.9);
  --xp-panel: rgba(18, 24, 34, 0.94);
  --xp-accent: #10b981;
  --xp-border: rgba(34, 48, 64, 0.95);
  --xp-fg: #e6eef3;
  --xp-muted: #9fb3c8;
}

.dhzn-experience-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 9400;
  pointer-events: none;
  opacity: 0;
  transition: opacity 250ms ease;
}

.dhzn-experience-canvas.active {
  opacity: 1;
}

.dhzn-experience-canvas.interactive {
  pointer-events: auto;
  cursor: crosshair;
}

.dhzn-branding-banner {
  position: fixed;
  left: 50%;
  top: 18%;
  transform: translateX(-50%);
  z-index: 9450;
  background: linear-gradient(145deg, rgba(16, 185, 129, 0.22), rgba(13, 18, 27, 0.93));
  color: var(--xp-fg);
  border: 1px solid rgba(16, 185, 129, 0.4);
  border-radius: 14px;
  padding: 10px 14px;
  max-width: min(90vw, 640px);
  text-align: center;
  font-size: clamp(0.85rem, 2.2vw, 1.05rem);
  letter-spacing: 0.02em;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.dhzn-branding-banner.show {
  opacity: 1;
  transform: translateX(-50%) translateY(-8px);
}

.dhzn-studio {
  position: fixed;
  right: 12px;
  top: 86px;
  width: min(320px, 94vw);
  z-index: 9470;
  background: var(--xp-panel);
  color: var(--xp-fg);
  border: 1px solid var(--xp-border);
  border-radius: 14px;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.42);
  padding: 12px;
  backdrop-filter: blur(10px);
}

.dhzn-studio[hidden] {
  display: none;
}

.dhzn-studio h4 {
  margin: 0 0 10px;
  color: var(--xp-accent);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.dhzn-studio .row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin: 8px 0;
  align-items: center;
}

.dhzn-studio label {
  font-size: 0.84rem;
  color: var(--xp-muted);
}

.dhzn-studio select,
.dhzn-studio input[type="range"],
.dhzn-studio button {
  width: 100%;
}

.dhzn-studio .btn-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.dhzn-btn {
  border: 1px solid var(--xp-border);
  background: #101720;
  color: var(--xp-fg);
  border-radius: 9px;
  font-size: 0.8rem;
  padding: 7px 10px;
  cursor: pointer;
}

.dhzn-btn:hover,
.dhzn-btn:focus-visible {
  border-color: var(--xp-accent);
  outline: none;
}

.dhzn-hud {
  margin-top: 10px;
  border-top: 1px dashed rgba(159, 179, 200, 0.3);
  padding-top: 10px;
  font-size: 0.82rem;
  color: var(--xp-muted);
}

.dhzn-hud strong {
  color: var(--xp-fg);
}

.dhzn-meta {
  margin-top: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  font-size: 0.76rem;
  color: var(--xp-muted);
}

.dhzn-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: 999px;
  padding: 2px 8px;
  color: var(--xp-fg);
  background: rgba(16, 185, 129, 0.08);
}

.dhzn-admin {
  margin-top: 10px;
  border-top: 1px dashed rgba(159, 179, 200, 0.3);
  padding-top: 10px;
}

.dhzn-admin strong {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--xp-accent);
  margin-bottom: 8px;
}

.dhzn-admin textarea {
  width: 100%;
  min-height: 62px;
  max-height: 160px;
  resize: vertical;
  border: 1px solid var(--xp-border);
  background: #0f1620;
  color: var(--xp-fg);
  border-radius: 8px;
  padding: 8px;
  font-size: 0.8rem;
}

.dhzn-admin-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 8px;
}

.dhzn-admin-status {
  margin-top: 8px;
  font-size: 0.76rem;
  color: var(--xp-muted);
}

.dhzn-history {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  max-height: 106px;
  overflow: auto;
  border: 1px solid rgba(34, 48, 64, 0.7);
  border-radius: 8px;
  background: rgba(11, 16, 24, 0.65);
}

.dhzn-history li {
  padding: 6px 8px;
  font-size: 0.73rem;
  color: var(--xp-muted);
  border-bottom: 1px dashed rgba(159, 179, 200, 0.18);
}

.dhzn-history li:last-child {
  border-bottom: 0;
}

.dhzn-blackhole {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9460;
  background: radial-gradient(circle at 30% 40%, rgba(20, 28, 41, 0.85), #020304 68%);
  border-bottom: 1px solid rgba(16, 185, 129, 0.35);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.46);
  transform: translateY(-105%);
  transition: transform 300ms ease;
  padding: 10px 12px;
}

.dhzn-blackhole.active {
  transform: translateY(0);
}

.dhzn-blackhole-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.dhzn-blackhole-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--xp-muted);
}

.dhzn-blackhole-controls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.dhzn-blackhole-controls button,
.dhzn-blackhole-controls select {
  width: 100%;
}

.dhzn-blackhole audio {
  width: 100%;
}

body.dhzn-tilt-active .wrap {
  transform-origin: top center;
  transform: perspective(1250px) rotateX(18deg) translateY(42px);
  transition: transform 350ms ease;
  will-change: transform;
}

.dhzn-popup {
  position: fixed;
  left: 10%;
  top: 10%;
  width: 80vw;
  height: 80vh;
  z-index: 9480;
  background: rgba(8, 12, 18, 0.97);
  border: 1px solid rgba(16, 185, 129, 0.38);
  border-radius: 14px;
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.56);
  display: grid;
  grid-template-rows: auto 1fr;
  resize: both;
  overflow: hidden;
}

.dhzn-popup[hidden] {
  display: none;
}

.dhzn-popup-head {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #111822;
  border-bottom: 1px solid rgba(159, 179, 200, 0.2);
  padding: 8px;
  cursor: move;
  user-select: none;
}

.dhzn-safe-active {
  outline: 1px solid rgba(239, 68, 68, 0.7);
  box-shadow: inset 0 0 0 1px rgba(239, 68, 68, 0.35);
}

.dhzn-popup-head .spacer {
  flex: 1;
}

.dhzn-popup iframe {
  width: 100%;
  height: 100%;
  border: 0;
  background: #000;
}

@media (max-width: 900px) {
  .dhzn-studio {
    top: auto;
    bottom: 96px;
  }

  .dhzn-blackhole-controls {
    grid-template-columns: 1fr;
  }

  .dhzn-popup {
    left: 4vw;
    top: 12vh;
    width: 92vw;
    height: 78vh;
  }

  body.dhzn-tilt-active .wrap {
    transform: perspective(1000px) rotateX(14deg) translateY(34px);
  }
}