/**
 * RoccOS Shared Keyframe Animations
 * Used across all OS modules. Respects prefers-reduced-motion.
 */

/* ── Fade ── */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to   { opacity: 0; }
}

/* ── Slide ── */
@keyframes slideUp {
  from { transform: translateY(12px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

@keyframes slideDown {
  from { transform: translateY(-12px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

@keyframes slideInRight {
  from { transform: translateX(20px); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

@keyframes slideInLeft {
  from { transform: translateX(-20px); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* ── Scale ── */
@keyframes scaleIn {
  from { transform: scale(0.9); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

@keyframes scaleOut {
  from { transform: scale(1); opacity: 1; }
  to   { transform: scale(0.9); opacity: 0; }
}

@keyframes popIn {
  0%   { transform: scale(0); opacity: 0; }
  70%  { transform: scale(1.08); }
  100% { transform: scale(1); opacity: 1; }
}

/* ── Retro Bounce (window open) ── */
@keyframes retroBounce {
  0%   { transform: scale(0.8); opacity: 0; }
  60%  { transform: scale(1.05); }
  100% { transform: scale(1); opacity: 1; }
}

/* ── CRT Flicker ── */
@keyframes crtFlicker {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.98; }
  75%      { opacity: 0.96; }
}

/* ── Float / Idle ── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

@keyframes gentleBob {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25%      { transform: translateY(-3px) rotate(0.5deg); }
  75%      { transform: translateY(-1px) rotate(-0.5deg); }
}

/* ── Pulse / Glow ── */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.6; }
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 8px rgba(240, 160, 48, 0.2); }
  50%      { box-shadow: 0 0 20px rgba(240, 160, 48, 0.5); }
}

/* ── Bounce ── */
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  40%      { transform: translateY(-10px); }
  60%      { transform: translateY(-5px); }
}

@keyframes bounceIn {
  0%   { transform: scale(0.3); opacity: 0; }
  50%  { transform: scale(1.05); }
  70%  { transform: scale(0.95); }
  100% { transform: scale(1); opacity: 1; }
}

/* ── Spin / Rotate ── */
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25%      { transform: rotate(-5deg); }
  75%      { transform: rotate(5deg); }
}

/* ── Typing dots ── */
@keyframes typingDot {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30%           { opacity: 1; transform: translateY(-4px); }
}

/* ── Boot-specific ── */
@keyframes bootFadeIn {
  from { opacity: 0; filter: blur(4px); }
  to   { opacity: 1; filter: blur(0); }
}

@keyframes loadingBar {
  from { width: 0; }
  to   { width: 100%; }
}

@keyframes scanline {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

/* CRT power-on line expanding to full screen */
@keyframes crtExpand {
  0%   { transform: translateY(-50%) scaleY(1); }
  100% { transform: translateY(-50%) scaleY(100vh); }
}

/* Block cursor blink (hard step, no fade) */
@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

/* Gentle pulse for power button */
@keyframes powerPulse {
  0%, 100% { opacity: 0.6; }
  50%      { opacity: 1; }
}

/* Brief white noise flash */
@keyframes staticFlash {
  0%   { opacity: 0.9; }
  30%  { opacity: 0.5; }
  60%  { opacity: 0.7; }
  100% { opacity: 0; }
}

/* ── Breathing (for Greta sleeping) ── */
@keyframes breathe {
  0%, 100% { transform: scaleY(1); }
  50%      { transform: scaleY(1.04); }
}

/* ── Tail wag ── */
@keyframes tailWag {
  0%, 100% { transform: rotate(0deg); }
  25%      { transform: rotate(15deg); }
  75%      { transform: rotate(-15deg); }
}

/* ── Dock bounce (app launching) ── */
@keyframes dockBounce {
  0%, 100% { transform: translateY(0); }
  25%      { transform: translateY(-14px); }
  50%      { transform: translateY(0); }
  75%      { transform: translateY(-7px); }
}

/* ── Window minimize fly ── */
@keyframes minimizeFly {
  to {
    transform: scale(0.1);
    opacity: 0;
  }
}

/* ── Speech bubble ── */
@keyframes speechBubbleIn {
  from {
    transform: scale(0.8) translateY(8px);
    opacity: 0;
  }
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

@keyframes speechBubbleOut {
  from {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
  to {
    transform: scale(0.8) translateY(8px);
    opacity: 0;
  }
}

/* Rainbow glow cycling orange -> crimson -> emerald */
@keyframes rainbowGlow {
  0%   { box-shadow: 0 0 20px rgba(240, 160, 48, 0.4); }
  33%  { box-shadow: 0 0 20px rgba(194, 43, 43, 0.4); }
  66%  { box-shadow: 0 0 20px rgba(26, 122, 61, 0.4); }
  100% { box-shadow: 0 0 20px rgba(240, 160, 48, 0.4); }
}

/* Gradient background position shift */
@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ── Konami flash (full-screen white flash) ── */
.konami-flash {
  position: fixed;
  inset: 0;
  background: #fff;
  opacity: 0;
  z-index: var(--z-mega-menu-panel);
  pointer-events: none;
}

/* ── Feature tracker pulse ── */
.pulse {
  animation: glowPulse 0.6s ease-in-out;
}

/* ── Reduced motion: disable all animations ── */
/* !important: required — prefers-reduced-motion must override all animation properties */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .dock-item,
  .desktop-icon {
    transition: none !important;
    transform: none !important;
  }
}