/* ============================================================
   FABIUS — Shared Animations & Transitions
   ============================================================ */

@keyframes fab-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fab-fade-out {
  from { opacity: 1; }
  to   { opacity: 0; }
}

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

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

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

@keyframes fab-scale-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes fab-spin {
  to { transform: rotate(360deg); }
}

@keyframes fab-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.5; }
}

@keyframes fab-shield-glow {
  0%, 100% {
    box-shadow: 0 0 8px hsla(215, 65%, 50%, 0.2);
  }
  50% {
    box-shadow: 0 0 20px hsla(215, 65%, 50%, 0.4);
  }
}

@keyframes fab-scan-line {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

@keyframes fab-threat-alert {
  0%, 100% { border-color: var(--fab-border); }
  50%      { border-color: var(--fab-critical); }
}

/* ── Utility Animation Classes ──────────────────────────────── */

.fab-anim-fade-in {
  animation: fab-fade-in 0.3s var(--fab-ease) both;
}

.fab-anim-slide-up {
  animation: fab-slide-up 0.3s var(--fab-ease) both;
}

.fab-anim-slide-in {
  animation: fab-slide-in 0.3s var(--fab-ease) both;
}

.fab-anim-pulse {
  animation: fab-pulse 2s var(--fab-ease) infinite;
}

/* Stagger children */
.fab-stagger > *:nth-child(1) { animation-delay: 0ms; }
.fab-stagger > *:nth-child(2) { animation-delay: 50ms; }
.fab-stagger > *:nth-child(3) { animation-delay: 100ms; }
.fab-stagger > *:nth-child(4) { animation-delay: 150ms; }
.fab-stagger > *:nth-child(5) { animation-delay: 200ms; }
.fab-stagger > *:nth-child(6) { animation-delay: 250ms; }
.fab-stagger > *:nth-child(7) { animation-delay: 300ms; }
.fab-stagger > *:nth-child(8) { animation-delay: 350ms; }