.visualizer {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
  pointer-events: none;
  opacity: 0.7;
  transition: opacity 280ms ease;
}
.visualizer.is-active { opacity: 1; }
.visualizer span {
  display: block;
  width: 2px;
  height: 4px;
  background: var(--green);
  box-shadow: 0 0 4px var(--green);
  transform-origin: bottom;
  transform: scaleY(0.3);
  transition: transform 80ms cubic-bezier(.2,.8,.2,1);
  will-change: transform;
}


[data-spotlight] {
  position: relative;
}
[data-spotlight]::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    320px circle at var(--mx, 50%) var(--my, 50%),
    rgba(57, 255, 20, 0.18),
    transparent 60%
  );
  opacity: 0;
  transition: opacity 320ms ease;
  pointer-events: none;
  z-index: 1;
}
[data-spotlight]:hover::after { opacity: 1; }


html.is-touch [data-spotlight]::after { content: none; }


.stack-cell,
.heatmap-cell {
  position: relative;
  padding: var(--s-4);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(8,12,8,0.4), rgba(3,5,3,0.6));
  isolation: isolate;
  overflow: hidden;
}
.stack-cell::before,
.heatmap-cell::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: radial-gradient(
    280px circle at var(--mx, -200px) var(--my, -200px),
    var(--green) 0%,
    rgba(57,255,20,0.45) 18%,
    transparent 60%
  );
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  transition: opacity 320ms ease;
}
.stack-cell:hover::before,
.heatmap-cell:hover::before { opacity: 1; }


html.is-touch .stack-cell::before,
html.is-touch .heatmap-cell::before { content: none; }


.stack-cell::after,
.heatmap-cell::after {
  background: radial-gradient(
    420px circle at var(--mx, 50%) var(--my, 50%),
    rgba(57, 255, 20, 0.10),
    transparent 55%
  );
}


.physics-stage {
  position: relative;
  width: 100%;
  height: 360px;
  margin-top: var(--s-3);
  border: 1px dashed var(--line);
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(57,255,20,0.04) 0 1px,
      transparent 1px 28px),
    repeating-linear-gradient(
      to right,
      rgba(57,255,20,0.04) 0 1px,
      transparent 1px 28px),
    linear-gradient(180deg, rgba(3,5,3,0) 0%, rgba(5,8,5,0.6) 100%);
  overflow: hidden;
  cursor: grab;
  touch-action: none;
}
.physics-stage:active { cursor: grabbing; }
.physics-stage canvas { display: block; }
.physics-stage::before {
  content: 'GRAVITY: 0.6  ·  DRAG — THROW — STACK';
  position: absolute;
  top: 8px;
  left: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--ink-dim);
  pointer-events: none;
  z-index: 1;
}


.physics-stage.is-static {
  height: auto;
  min-height: 0;
  padding: var(--s-4);
  cursor: default;
  touch-action: auto;
}
.physics-stage.is-static::before { content: 'CORE STACK · curated'; }
.stack-static {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}
.stack-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--green);
  background: rgba(5, 8, 5, 0.6);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  text-shadow: 0 0 6px rgba(57,255,20,0.6);
}
.physics-reset {
  margin-top: var(--s-2);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink-dim);
  border: 1px solid var(--line-strong);
  padding: 4px 10px;
  transition: color 200ms ease, border-color 200ms ease;
}
.physics-reset:hover { color: var(--green); border-color: var(--green); }
.stack-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--ink-dim);
  margin-bottom: var(--s-3);
}


.raw-toggle {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--ink-dim);
  text-transform: uppercase;
  margin-left: var(--s-2);
  transition: color 200ms ease, text-shadow 200ms ease;
}
.raw-toggle:hover, .raw-toggle.is-active {
  color: var(--green);
  text-shadow: 0 0 8px var(--green);
}


.raw-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  pointer-events: none;
  background: #000;
  display: none;
}
html.raw-mode .raw-overlay { display: block; }
.raw-overlay canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
}
.raw-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(0,0,0,0) 0 2px,
      rgba(0,0,0,0.35) 2px 3px);
  mix-blend-mode: multiply;
  pointer-events: none;
}
.raw-overlay .raw-hud {
  position: absolute;
  top: 10px; left: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: #39ff14;
  text-shadow: 0 0 6px #39ff14;
  pointer-events: auto;
}
.raw-overlay .raw-hud span { opacity: 0.6; }
.raw-overlay .raw-exit {
  position: absolute;
  top: 10px; right: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: #39ff14;
  text-shadow: 0 0 6px #39ff14;
  border: 1px solid #39ff14;
  padding: 4px 10px;
  pointer-events: auto;
  background: rgba(0,0,0,0.4);
  cursor: pointer;
}
.raw-overlay .raw-exit:hover { background: rgba(57,255,20,0.18); }
html.raw-mode body { overflow: hidden; }


html.raw-from-intro .raw-overlay { z-index: 10001; }
html.raw-from-intro .raw-overlay .raw-hud .raw-deny {
  color: #ff3b3b;
  text-shadow: 0 0 8px #ff3b3b;
  opacity: 1;
  animation: raw-deny-blink 1.1s steps(2) infinite;
}
html.raw-from-intro .raw-overlay .raw-hud .raw-await {
  color: #39ff14;
  text-shadow: 0 0 8px #39ff14;
  opacity: 1;
  animation: raw-await-pulse 1.6s ease-in-out infinite;
}


.raw-overlay .raw-scramble {
  display: inline;
  font-family: var(--font-mono, ui-monospace, monospace);
  letter-spacing: 2px;
  color: #2bbf10;
  opacity: 0.65;
  text-shadow: 0 0 4px rgba(57,255,20,0.55);
  filter: blur(0.2px);
  animation: raw-scramble-flicker 1.2s steps(6) infinite;
}
@keyframes raw-scramble-flicker {
  0%, 100% { opacity: 0.65; }
  47%      { opacity: 0.35; }
  52%      { opacity: 0.85; }
}


.raw-overlay .raw-hud .raw-await-cta {
  color: #2bbf10;
  opacity: 0.7;
}
.raw-overlay .raw-hud .raw-await-cta.is-revealed {
  color: #aaffaa;
  text-shadow: 0 0 10px #39ff14, 0 0 18px rgba(57,255,20,0.5);
  opacity: 1;
  font-weight: 600;
  filter: none;
  animation: none;
}


.raw-overlay .raw-exit.is-awaiting {
  color: #2bbf10;
  opacity: 0.7;
}
@keyframes raw-deny-blink {
  0%, 49%   { opacity: 1;   }
  50%, 100% { opacity: 0.35; }
}
@keyframes raw-await-pulse {
  0%, 100% { opacity: 1;    }
  50%      { opacity: 0.55; }
}


html.raw-mode .raw-toggle {
  color: var(--green);
  text-shadow: 0 0 8px var(--green);
}


[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 700ms cubic-bezier(.2,.8,.2,1),
    transform 700ms cubic-bezier(.2,.8,.2,1);
}
[data-reveal-stagger].is-visible > * {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal-stagger].is-visible > *:nth-child(1) { transition-delay: 0ms; }
[data-reveal-stagger].is-visible > *:nth-child(2) { transition-delay: 90ms; }
[data-reveal-stagger].is-visible > *:nth-child(3) { transition-delay: 180ms; }
[data-reveal-stagger].is-visible > *:nth-child(4) { transition-delay: 270ms; }
[data-reveal-stagger].is-visible > *:nth-child(5) { transition-delay: 360ms; }
[data-reveal-stagger].is-visible > *:nth-child(6) { transition-delay: 450ms; }