/* ============================================================
   TRANSITION SWITCHER — floating panel (bottom-left)
   ============================================================ */
.transition-switcher {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 9990;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.transition-switcher-toggle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--color-surface-border);
  background: var(--color-bg-elevated);
  color: var(--color-text);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), border-color var(--transition-fast),
              box-shadow var(--transition-fast), transform var(--transition-fast);
  box-shadow: var(--shadow-md);
}
.transition-switcher-toggle:hover {
  border-color: var(--color-accent);
  transform: scale(1.08);
}
[data-theme="neon-noir"] .transition-switcher-toggle {
  box-shadow: 0 0 16px var(--color-neon-glow-cyan);
  border-color: var(--color-neon-cyan);
}
[data-theme="murder-mystery"] .transition-switcher-toggle {
  border-color: var(--color-mm-gold);
}

.transition-switcher-panel {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-md);
  padding: 12px;
  box-shadow: var(--shadow-md);
  min-width: 160px;
  transition: background var(--transition-med), border-color var(--transition-med);
}
.transition-switcher-panel.open { display: flex; }

[data-theme="neon-noir"] .transition-switcher-panel {
  border-color: var(--color-neon-cyan);
  box-shadow: 0 0 24px var(--color-neon-glow-cyan);
}
[data-theme="murder-mystery"] .transition-switcher-panel {
  border-color: var(--color-mm-gold);
  box-shadow: 0 0 16px var(--color-mm-gold-dim);
}

.transition-switcher-panel button {
  background: none;
  border: 1px solid transparent;
  color: var(--color-text-muted);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: background var(--transition-fast), color var(--transition-fast),
              border-color var(--transition-fast);
}
.transition-switcher-panel button:hover {
  background: var(--color-accent-subtle);
  color: var(--color-text);
  border-color: var(--color-surface-border);
}
.transition-switcher-panel button.active {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: var(--color-accent-subtle);
  font-weight: 600;
}

.transition-icon {
  font-size: 1rem;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}


/* ============================================================
   DISSOLVE NOISE OVERLAY
   ============================================================ */
.dissolve-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background: rgba(0, 0, 0, 0.3);
  opacity: 0;
}
.dissolve-overlay canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  image-rendering: pixelated;
}


/* ============================================================
   GLITCH EFFECT
   ============================================================ */
.glitch-active {
  animation: glitch-shake 0.1s infinite;
}

@keyframes glitch-shake {
  0%   { transform: translate(0, 0); }
  20%  { transform: translate(-3px, 2px); }
  40%  { transform: translate(3px, -1px); }
  60%  { transform: translate(-2px, -2px); }
  80%  { transform: translate(2px, 3px); }
  100% { transform: translate(0, 0); }
}