/* ═══════════════════════════════════════════════════════════
   REELFLOW — ANIMATIONS
   ═══════════════════════════════════════════════════════════ */

/* Fade in up */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

/* Spin */
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

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

.skeleton {
  background: linear-gradient(90deg, var(--surface) 25%, var(--surface-2) 50%, var(--surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* Progress bar */
.progress-bar {
  height: 4px;
  background: var(--bg-3);
  border-radius: 4px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 4px;
  transition: width 0.4s ease;
}

.variant-live-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--text-1);
  font-size: 13px;
  line-height: 1.4;
}

.variant-live-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent);
  animation: variantLivePulse 1.4s ease-out infinite;
  flex-shrink: 0;
}

@keyframes variantLivePulse {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent);
  }
  70% {
    transform: scale(1.15);
    box-shadow: 0 0 0 10px transparent;
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 transparent;
  }
}

/* Generating animation */
.generating-item {
  animation: fadeInUp 0.4s ease both;
}

.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-hover);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* Stagger children */
.stagger > * { animation: fadeInUp 0.3s ease both; }
.stagger > *:nth-child(1) { animation-delay: 0.0s; }
.stagger > *:nth-child(2) { animation-delay: 0.05s; }
.stagger > *:nth-child(3) { animation-delay: 0.10s; }
.stagger > *:nth-child(4) { animation-delay: 0.15s; }
.stagger > *:nth-child(5) { animation-delay: 0.20s; }
.stagger > *:nth-child(6) { animation-delay: 0.25s; }

/* Connected badge pulse */
.status-dot.active {
  animation: statusPulse 2.5s ease infinite;
}
@keyframes statusPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,201,122,0.4); }
  50%       { box-shadow: 0 0 0 5px rgba(34,201,122,0); }
}

/* Page transitions */
.page.active { animation: pageIn 0.3s ease; }
@keyframes pageIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Template hover glow */
.template-card.selected {
  box-shadow: 0 0 0 2px var(--accent), 0 4px 20px var(--accent-glow);
}

/* Upload zone drag over */
.upload-zone.drag-over {
  animation: uploadPulse 0.8s ease infinite alternate;
}
@keyframes uploadPulse {
  from { border-color: var(--accent); background: var(--accent-light); }
  to   { border-color: rgba(124,109,250,0.5); background: rgba(124,109,250,0.05); }
}