/* Keyframes + motion overrides. The signature ignition→console transition and the
   character-by-character manuscript reveal are driven from JS (composer.js / main.js)
   via the Web Animations API, with genuinely different reduced-motion code paths —
   this file covers CSS-only ambient/decorative motion and its reduced-motion opt-outs. */

@keyframes ignition-flicker {
  0%, 100% { opacity: 1; }
  92% { opacity: 1; }
  93% { opacity: 0.82; }
  94% { opacity: 1; }
  97% { opacity: 0.9; }
  98% { opacity: 1; }
}

@keyframes scanline-drift {
  from { background-position: 0 0; }
  to { background-position: 0 6px; }
}

@keyframes cursor-blink {
  0%, 45% { opacity: 1; }
  50%, 95% { opacity: 0; }
  100% { opacity: 1; }
}

@keyframes gauge-jitter {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-6deg); }
  75% { transform: rotate(6deg); }
}

@keyframes dial-lcd-bounce {
  0%, 100% { transform: scaleY(0.35); }
  50% { transform: scaleY(1); }
}

.ignition-crt {
  animation: ignition-flicker 6s ease-in-out infinite;
}
.ignition-scanlines {
  animation: scanline-drift 0.4s linear infinite;
}
.ignition-log .boot-cursor,
.manuscript-text .write-head {
  animation: cursor-blink 1s steps(1) infinite;
}

.manuscript-status.is-composing::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: var(--space-2);
  border: 2px solid var(--color-brass-dark);
  border-top-color: transparent;
  border-radius: 50%;
  animation: gauge-jitter 900ms var(--ease-standard) infinite;
  vertical-align: -1px;
}

/* Fixed-position overlay used for the ignition→console signature transition.
   Its actual keyframes are driven by element.animate() in JS so the reduced-motion
   branch can be a structurally different animation, not just a faster one. */
.machine-transition {
  position: fixed;
  inset: 0;
  z-index: var(--z-transition-overlay);
  pointer-events: none;
  opacity: 0;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: var(--space-6);
  transform: translateX(-50%);
  z-index: var(--z-toast);
  background: var(--color-iron);
  color: var(--color-paper-white);
  font-family: var(--font-mechanical);
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-rivet);
  border: 1px solid var(--color-brass);
  box-shadow: var(--shadow-panel);
}

@media (prefers-reduced-motion: reduce) {
  .ignition-crt { animation: none; }
  .ignition-scanlines { animation: none; opacity: 0.4; }
  .manuscript-status.is-composing::before { animation: none; border-top-color: var(--color-brass-dark); }
  .dial-lcd-bar { animation: none; transform: scaleY(0.6); }
}