/* ===== Whimsy — Loop brand easter eggs & joy moments =================
   Конфетти, floating ∞, Konami rainbow mode
   Все анимации отключаются при prefers-reduced-motion
================================================================= */

/* ─── Konami Rainbow Mode ──────────────────────────────────────── */
@keyframes whimsy-rainbow-bg {
  0%   { filter: hue-rotate(0deg) saturate(0.6) brightness(1.02); }
  100% { filter: hue-rotate(360deg) saturate(0.6) brightness(1.02); }
}

body.rainbow-mode {
  animation: whimsy-rainbow-bg 4s linear infinite;
}

/* ─── Easter Egg Overlay ───────────────────────────────────────── */
.loop-easter-egg-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  pointer-events: none;
  /* glass backdrop */
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  /* enter/exit */
  opacity: 0;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.loop-easter-egg-overlay.visible {
  opacity: 1;
}

@keyframes whimsy-infinity-spin {
  0%   { transform: scale(1) rotate(0deg); }
  25%  { transform: scale(1.08) rotate(-8deg); }
  50%  { transform: scale(1) rotate(0deg); }
  75%  { transform: scale(1.06) rotate(6deg); }
  100% { transform: scale(1) rotate(0deg); }
}

.loop-easter-egg-overlay__glyph {
  font-size: clamp(80px, 20vw, 180px);
  line-height: 1;
  color: #FAFAF7;
  animation: whimsy-infinity-spin 3s ease-in-out infinite;
  font-family: 'Fraunces', Georgia, serif;
  font-style: italic;
  font-weight: 300;
  text-shadow:
    0 0 40px rgba(250, 250, 247, 0.4),
    0 0 80px rgba(250, 250, 247, 0.15);
  will-change: transform;
}

.loop-easter-egg-overlay__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(13px, 2.5vw, 17px);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(250, 250, 247, 0.7);
}

@keyframes whimsy-mode-badge {
  0%   { opacity: 0; transform: translateY(10px) scale(0.9); }
  15%  { opacity: 1; transform: translateY(0) scale(1); }
  85%  { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(-6px) scale(0.95); }
}

.loop-easter-egg-overlay__badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(250, 250, 247, 0.38);
  border: 1px solid rgba(250, 250, 247, 0.12);
  padding: 6px 14px;
  border-radius: 100px;
}

/* ─── Confetti particles ───────────────────────────────────────── */
.whimsy-confetti-container {
  position: fixed;
  inset: 0;
  z-index: 88888;
  pointer-events: none;
  overflow: hidden;
}

.whimsy-confetti-particle {
  position: absolute;
  top: -60px;
  font-size: 20px;
  line-height: 1;
  user-select: none;
  will-change: transform, opacity;
  animation: whimsy-confetti-fall var(--fall-duration, 2.8s) var(--fall-delay, 0s) cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

@keyframes whimsy-confetti-fall {
  0% {
    transform: translateY(0) rotate(var(--start-rot, 0deg)) scale(0.6);
    opacity: 1;
  }
  60% {
    opacity: 1;
  }
  100% {
    transform:
      translateY(var(--fall-distance, 110vh))
      translateX(var(--drift, 0px))
      rotate(var(--end-rot, 360deg))
      scale(1.1);
    opacity: 0;
  }
}

/* ─── Floating emoji burst ─────────────────────────────────────── */
.whimsy-float-emoji {
  position: fixed;
  pointer-events: none;
  z-index: 77777;
  font-size: 28px;
  line-height: 1;
  user-select: none;
  will-change: transform, opacity;
  animation: whimsy-float-up var(--float-dur, 1.6s) cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes whimsy-float-up {
  0% {
    opacity: 1;
    transform: translateY(0) scale(0.5) rotate(var(--float-rot-start, -10deg));
  }
  40% {
    opacity: 1;
    transform: translateY(calc(var(--float-rise, -80px) * 0.5)) scale(1.2) rotate(var(--float-rot-mid, 5deg));
  }
  100% {
    opacity: 0;
    transform: translateY(var(--float-rise, -80px)) scale(0.9) rotate(var(--float-rot-end, 12deg));
  }
}

/* ─── Reduced motion — disable everything ──────────────────────── */
@media (prefers-reduced-motion: reduce) {
  body.rainbow-mode {
    animation: none;
    filter: none;
  }

  .loop-easter-egg-overlay {
    transition: none;
  }

  .loop-easter-egg-overlay__glyph {
    animation: none;
  }

  .whimsy-confetti-particle,
  .whimsy-float-emoji {
    display: none;
  }
}