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

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

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

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

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

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50%       { opacity: 1; }
}

@keyframes shimmer {
  from { background-position: -200% 0; }
  to   { background-position: 200% 0; }
}

@keyframes counterUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Utility Classes ───────────────────────────────────────────────────── */
[data-animate='fade']    { animation: fadeIn 0.3s ease both; }
[data-animate='up']      { animation: slideUp 0.35s ease both; }
[data-animate='down']    { animation: slideDown 0.3s ease both; }
[data-animate='scale']   { animation: scaleIn 0.3s ease both; }

/* Stagger delay helpers */
[data-delay='1'] { animation-delay: 0.05s; }
[data-delay='2'] { animation-delay: 0.10s; }
[data-delay='3'] { animation-delay: 0.15s; }
[data-delay='4'] { animation-delay: 0.20s; }
[data-delay='5'] { animation-delay: 0.25s; }
[data-delay='6'] { animation-delay: 0.30s; }

/* ─── Skeleton shimmer ──────────────────────────────────────────────────── */
.skeleton-line {
  height: 14px;
  background: linear-gradient(90deg, var(--bg-surface) 25%, var(--bg-muted) 50%, var(--bg-surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.6s infinite linear;
  border-radius: 999px;
}

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