/* ── PO Toolkit Shared Styles ── */
/* Only what Tailwind CDN can't handle */

/* Theme transition for smooth toggle */
*, *::before, *::after {
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

/* Toast animations */
@keyframes toast-in {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
@keyframes toast-out {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(100%); opacity: 0; }
}
.toast-enter { animation: toast-in 0.3s ease forwards; }
.toast-exit { animation: toast-out 0.3s ease forwards; }

/* Card hover lift */
.card-lift {
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.card-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

/* Heatmap grid for risk register and traceability */
.heatmap-grid {
  display: grid;
  gap: 2px;
}
.heatmap-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: default;
  transition: transform 0.15s ease;
  position: relative;
}
.heatmap-cell:hover {
  transform: scale(1.1);
  z-index: 10;
}
.heatmap-cell-item:hover {
  transform: scale(1.08);
  z-index: 10;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
@media (max-width: 639px) {
  .heatmap-cell-item:hover {
    transform: scale(1.05);
  }
}

/* RACI cell cycling */
.raci-cell {
  cursor: pointer;
  user-select: none;
  transition: transform 0.1s ease;
  min-width: 48px;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 6px;
}
.raci-cell:active {
  transform: scale(0.92);
}
.raci-R { background-color: #3b82f6; color: #fff; }
.raci-A { background-color: #ef4444; color: #fff; }
.raci-C { background-color: #eab308; color: #1a1a2e; }
.raci-I { background-color: #6b7280; color: #fff; }

/* Drag ghost styling */
.dragging {
  opacity: 0.5;
}
.drag-over {
  border: 2px dashed #94a3b8 !important;
}

/* Capacity bar animation */
.capacity-bar {
  transition: width 0.5s ease;
  border-radius: 9999px;
  height: 100%;
}

/* Retro column cards */
.retro-card {
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.retro-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Mobile nav animation */
@keyframes nav-slide-down {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.nav-mobile-enter {
  animation: nav-slide-down 0.2s ease forwards;
}

/* Tooltip */
.tooltip {
  position: relative;
}
.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: #1e293b;
  color: #f1f5f9;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  white-space: nowrap;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
  z-index: 50;
}
.dark .tooltip::after {
  background: #f1f5f9;
  color: #1e293b;
}
.tooltip:hover::after {
  opacity: 1;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

/* Focus ring for accessibility */
:focus-visible {
  outline: 2px solid #94a3b8;
  outline-offset: 2px;
}

/* Badge pulse for status indicators */
@keyframes pulse-badge {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
.badge-pulse {
  animation: pulse-badge 2s ease-in-out infinite;
}

/* Modal backdrop */
.modal-backdrop {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

/* Priority color chips */
.priority-must { background-color: #ef4444; color: #fff; }
.priority-should { background-color: #f97316; color: #fff; }
.priority-could { background-color: #3b82f6; color: #fff; }
.priority-wont { background-color: #6b7280; color: #fff; }

/* AI spinner */
@keyframes ai-spin {
  to { transform: rotate(360deg); }
}
.ai-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: ai-spin 0.6s linear infinite;
  display: inline-block;
  vertical-align: middle;
}

/* AI results panel */
.ai-results-panel {
  animation: ai-fade-in 0.3s ease;
}
@keyframes ai-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}