/* ═══════════════════════════════════════════════════════════════
   ✨  ANIMATIONS & TRANSITIONS — Glass Intelligence Light Theme
   Smooth fade-in, hover effects, card glow, page transitions
   ═══════════════════════════════════════════════════════════════ */

/* ── Scroll Reveal Animations ─────────────────────────────────── */
.viz-hidden {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.viz-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stat-cards .viz-hidden:nth-child(1) { transition-delay: 0s; }
.stat-cards .viz-hidden:nth-child(2) { transition-delay: .05s; }
.stat-cards .viz-hidden:nth-child(3) { transition-delay: .1s; }
.stat-cards .viz-hidden:nth-child(4) { transition-delay: .15s; }
.stat-cards .viz-hidden:nth-child(5) { transition-delay: .2s; }
.stat-cards .viz-hidden:nth-child(6) { transition-delay: .25s; }
.stat-cards .viz-hidden:nth-child(7) { transition-delay: .3s; }
.stat-cards .viz-hidden:nth-child(8) { transition-delay: .35s; }

/* ── Card Hover Lift ──────────────────────────────────────────── */
.stat-card,
.chart-card,
.division-card {
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.25s ease;
}
.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.10), 0 2px 6px rgba(0,0,0,0.04);
}
.chart-card:hover {
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.08), 0 2px 8px rgba(0,0,0,0.04);
}

/* ── Shimmer Top Border on Hover ──────────────────────────────── */
.stat-card::after,
.chart-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--accent, #4F46E5) 50%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.stat-card { position: relative; overflow: hidden; }
.chart-card { position: relative; overflow: hidden; }
.stat-card:hover::after,
.chart-card:hover::after {
  opacity: 1;
  animation: viz-shimmer 1.5s ease-in-out;
}
@keyframes viz-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ── Stat Value Pulse on Load ─────────────────────────────────── */
@keyframes viz-countPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}
.stat-value.counting {
  animation: viz-countPulse 0.4s ease-out;
}

/* ── Page Content Transition ──────────────────────────────────── */
.page {
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.page:not(.active) {
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
}
.page.active {
  opacity: 1;
  transform: translateY(0);
}

/* ── Data Table Row Hover ─────────────────────────────────────── */
.data-table tbody tr {
  transition: background-color 0.15s ease;
}
.data-table tbody tr:hover {
  background: rgba(79, 70, 229, 0.04);
}

/* ── Button Press Effect ──────────────────────────────────────── */
.btn {
  transition: transform 0.1s ease, box-shadow 0.15s ease, background-color 0.2s ease;
}
.btn:active {
  transform: scale(0.97);
}

/* ── Nav Item Transition ──────────────────────────────────────── */
.nav-item {
  transition: background-color 0.2s ease, color 0.2s ease, padding-left 0.2s ease;
}
.nav-item:hover:not(.active) {
  padding-left: 18px;
}

/* ── Modal Backdrop Animation ─────────────────────────────────── */
.gmodal-backdrop {
  transition: opacity 0.2s ease;
}
.gmodal-dialog {
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease;
}

/* ── Sparkline in Stat Cards ──────────────────────────────────── */
.sparkline-svg {
  transition: opacity 0.3s ease;
}
.stat-card:hover .sparkline-svg {
  opacity: 0.8 !important;
}

/* ── Loading Spinner Enhancement ──────────────────────────────── */
@keyframes viz-spin {
  to { transform: rotate(360deg); }
}
.loading .spinner {
  animation: viz-spin 0.8s linear infinite;
}

/* ── Chart Card Header ────────────────────────────────────────── */
.chart-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.chart-card-header h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

/* ── ApexCharts Theme Overrides ───────────────────────────────── */
.apexcharts-tooltip {
  border-radius: 8px !important;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12) !important;
}
.apexcharts-toolbar {
  opacity: 0.5;
  transition: opacity 0.2s;
}
.chart-card:hover .apexcharts-toolbar {
  opacity: 1;
}

/* ── Glow Ring for Stat Cards (accent colored) ────────────────── */
.stat-card.stat-nav:hover {
  border-color: var(--accent, #4F46E5);
  box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.12), 0 6px 20px rgba(79, 70, 229, 0.08);
}

/* ── Visualizations Page Specific ─────────────────────────────── */
#page-viz .stat-cards {
  margin-bottom: 1.5rem;
}
#page-viz .chart-card {
  margin-bottom: 1.5rem;
  padding: 1.2rem;
}

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 768px) {
  .viz-hidden {
    transform: translateY(10px);
  }
  .stat-card:hover {
    transform: translateY(-2px);
  }
}

/* ── Reduced motion ───────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .viz-hidden { transition: none; }
  .stat-card, .chart-card, .division-card { transition: none; }
  .stat-card::after, .chart-card::after { animation: none; }
  .page { transition: none; }
}