/* ============================================
   API Key Manager Pro — Animations
   ============================================ */

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

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-16px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes popIn {
  0%   { transform: scale(0.8); opacity: 0; }
  70%  { transform: scale(1.04); }
  100% { transform: scale(1); opacity: 1; }
}

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

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

@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Apply fade-in to key cards */
.key-card { animation: fadeIn 0.25s ease both; }

/* Stat card count animation */
.stat-value.animate { animation: countUp 0.4s ease both; }

/* Loading shimmer skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--color-gray-100) 25%, var(--color-gray-200) 50%, var(--color-gray-100) 75%);
  background-size: 400px 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius-md);
}

.skeleton-card {
  height: 120px;
  border-radius: var(--radius-lg);
  margin-bottom: 14px;
}

/* Spin utility */
.spin { animation: spin 1s linear infinite; }

/* Smooth key card entrance stagger */
.key-card:nth-child(1) { animation-delay: 0.03s; }
.key-card:nth-child(2) { animation-delay: 0.06s; }
.key-card:nth-child(3) { animation-delay: 0.09s; }
.key-card:nth-child(4) { animation-delay: 0.12s; }
.key-card:nth-child(5) { animation-delay: 0.15s; }

/* Nav item hover effect */
.nav-item .nav-icon { transition: transform 0.2s; }
.nav-item:hover .nav-icon { transform: scale(1.15); }

/* Glow effect on stat cards when updated */
@keyframes glowPulse {
  0%   { box-shadow: var(--shadow-sm); }
  50%  { box-shadow: 0 0 0 4px var(--color-primary-glow); }
  100% { box-shadow: var(--shadow-sm); }
}

.stat-card.updated { animation: glowPulse 0.6s ease; }

/* Tooltip */
[data-tooltip] { position: relative; }

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-gray-900);
  color: #fff;
  font-size: 12px;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  font-family: var(--font-sans);
  z-index: 99;
}

[data-tooltip]:hover::after { opacity: 1; }