/* ═══════════════════════════════════════════════════════
   Spendlyst — Animations
   Page transitions, entrance effects, micro-interactions.
   ═══════════════════════════════════════════════════════ */

/* ── Fade in up (page entrance) ─────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.anim-fade-in-up {
  animation: fadeInUp var(--duration-slow) var(--ease-out) both;
}

/* ── Stagger children ───────────────────────────────── */
.anim-stagger > *:nth-child(1) { animation-delay: 0ms; }
.anim-stagger > *:nth-child(2) { animation-delay: 60ms; }
.anim-stagger > *:nth-child(3) { animation-delay: 120ms; }
.anim-stagger > *:nth-child(4) { animation-delay: 180ms; }
.anim-stagger > *:nth-child(5) { animation-delay: 240ms; }
.anim-stagger > *:nth-child(6) { animation-delay: 300ms; }
.anim-stagger > *:nth-child(7) { animation-delay: 360ms; }
.anim-stagger > *:nth-child(8) { animation-delay: 420ms; }

/* ── Scale in (modals, toasts) ──────────────────────── */
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

.anim-scale-in {
  animation: scaleIn var(--duration-normal) var(--ease-spring) both;
}

/* ── Slide in from right ────────────────────────────── */
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}

.anim-slide-right {
  animation: slideInRight var(--duration-normal) var(--ease-out) both;
}

/* ── Slide up (toast) ───────────────────────────────── */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(100%); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(100%); }
}

/* ── Pulse (notifications) ──────────────────────────── */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.5; }
}

.anim-pulse { animation: pulse 2s ease-in-out infinite; }

/* ── Shimmer (skeleton loading) ─────────────────────── */
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-elevated) 25%,
    var(--bg-sunken) 50%,
    var(--bg-elevated) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text { height: 14px; margin-bottom: var(--space-2); }
.skeleton-title { height: 24px; width: 60%; margin-bottom: var(--space-3); }
.skeleton-circle { width: 44px; height: 44px; border-radius: 50%; }
.skeleton-card { height: 120px; border-radius: var(--radius-lg); }

/* ── Page transition ────────────────────────────────── */
.page-enter {
  animation: fadeInUp var(--duration-normal) var(--ease-out) both;
}

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

.anim-float { animation: float 3s ease-in-out infinite; }

/* ── Reduced motion ─────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}