/*
 * Operational interaction layer
 * Purposeful motion and feedback for fast-moving clinic workflows.
 * Every transition has a reduced-motion equivalent and content remains visible
 * when JavaScript is unavailable.
 */

:root {
  --pa-motion-fast: 150ms;
  --pa-motion-base: 240ms;
  --pa-motion-slow: 420ms;
  --pa-motion-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --pa-live-emerald: #10b981;
  --pa-live-amber: #f59e0b;
  --pa-live-rose: #f43f5e;
}

html.pa-interactions-ready [data-pa-reveal] {
  opacity: 0;
  transform: translateY(10px);
}

html.pa-interactions-ready [data-pa-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity var(--pa-motion-slow) var(--pa-motion-ease),
    transform var(--pa-motion-slow) var(--pa-motion-ease);
  transition-delay: min(calc(var(--pa-reveal-index, 0) * 42ms), 252ms);
}

.pa-page {
  animation: pa-page-arrive var(--pa-motion-base) var(--pa-motion-ease) both;
}

@keyframes pa-page-arrive {
  from {
    opacity: 0.72;
  }
  to {
    opacity: 1;
  }
}

.pa-kpi-value {
  display: inline-block;
  font-variant-numeric: tabular-nums;
  transform-origin: 50% 70%;
}

.pa-kpi-value.is-updating {
  animation: pa-kpi-settle 360ms var(--pa-motion-ease);
}

@keyframes pa-kpi-settle {
  0% { opacity: 0.5; transform: translateY(3px) scale(0.97); }
  58% { opacity: 1; transform: translateY(-1px) scale(1.025); }
  100% { transform: translateY(0) scale(1); }
}

.pa-progress-track {
  position: relative;
  overflow: hidden;
}

.pa-progress-fill {
  width: 0 !important;
  transition: width 700ms var(--pa-motion-ease);
}

.pa-progress-fill.is-ready {
  width: var(--pa-progress-value, 0%) !important;
}

.pa-live-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.pa-live-dot {
  width: 0.55rem;
  height: 0.55rem;
  flex: none;
  border-radius: 999px;
  background: var(--pa-live-emerald);
  box-shadow: 0 0 0 0 rgb(16 185 129 / 0.35);
  animation: pa-live-pulse 2.2s ease-out infinite;
}

.pa-live-dot[data-tone="warning"] {
  background: var(--pa-live-amber);
  box-shadow: 0 0 0 0 rgb(245 158 11 / 0.35);
}

.pa-live-dot[data-tone="critical"] {
  background: var(--pa-live-rose);
  box-shadow: 0 0 0 0 rgb(244 63 94 / 0.35);
}

@keyframes pa-live-pulse {
  60% { box-shadow: 0 0 0 0 rgb(16 185 129 / 0.2); }
  100% { box-shadow: 0 0 0 8px transparent; }
}

.pa-skeleton {
  position: relative;
  overflow: hidden;
  border-radius: 0.75rem;
  background: #e9eef3;
  color: transparent !important;
}

.pa-skeleton::after {
  position: absolute;
  inset: 0;
  content: "";
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgb(255 255 255 / 0.72), transparent);
  animation: pa-skeleton-shimmer 1.35s ease-in-out infinite;
}

.pa-skeleton-line {
  display: block;
  height: 0.75rem;
}

@keyframes pa-skeleton-shimmer {
  to { transform: translateX(100%); }
}

.pa-empty-state {
  display: grid;
  place-items: center;
  min-height: 9rem;
  padding: 1.5rem;
  border: 1px dashed #cbd5e1;
  border-radius: 1rem;
  background:
    radial-gradient(circle at top, rgb(15 118 110 / 0.08), transparent 62%),
    #f8fafc;
  text-align: center;
  color: #475569;
}

.pa-empty-state strong {
  display: block;
  margin-bottom: 0.3rem;
  color: #0f172a;
}

.pa-submit-busy {
  cursor: progress !important;
  opacity: 0.74;
}

.pa-submit-busy::after {
  display: inline-block;
  width: 0.8rem;
  height: 0.8rem;
  margin-left: 0.55rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 999px;
  content: "";
  vertical-align: -0.1rem;
  animation: pa-spin 620ms linear infinite;
}

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

.pa-save-toast {
  position: fixed;
  z-index: 10050;
  right: 1rem;
  bottom: calc(1rem + var(--pa-safe-bottom, 0px));
  display: flex;
  align-items: center;
  gap: 0.7rem;
  max-width: min(24rem, calc(100vw - 2rem));
  padding: 0.85rem 1rem;
  border: 1px solid #a7f3d0;
  border-radius: 1rem;
  background: rgb(236 253 245 / 0.97);
  color: #064e3b;
  font-size: 0.875rem;
  font-weight: 700;
  box-shadow: 0 18px 42px rgb(15 23 42 / 0.17);
  backdrop-filter: blur(12px);
  animation: pa-toast-enter 300ms var(--pa-motion-ease) both;
}

.pa-save-toast::before {
  display: grid;
  width: 1.5rem;
  height: 1.5rem;
  flex: none;
  place-items: center;
  border-radius: 999px;
  background: #10b981;
  color: white;
  content: "✓";
}

.pa-save-toast.is-leaving {
  animation: pa-toast-leave 180ms ease-in both;
}

@keyframes pa-toast-enter {
  from { opacity: 0; transform: translateY(12px) scale(0.96); }
}

@keyframes pa-toast-leave {
  to { opacity: 0; transform: translateY(8px) scale(0.98); }
}

[data-pa-assessment-question] {
  transition:
    border-color var(--pa-motion-fast) ease,
    box-shadow var(--pa-motion-fast) ease,
    transform var(--pa-motion-fast) ease;
}

[data-pa-assessment-question].is-answered {
  border-color: #99f6e4 !important;
  box-shadow: 0 0 0 3px rgb(20 184 166 / 0.09);
  transform: translateY(-1px);
}

.pa-completion-burst {
  position: relative;
}

.pa-completion-burst::after {
  position: absolute;
  inset: -7px;
  z-index: -1;
  border: 2px solid rgb(16 185 129 / 0.38);
  border-radius: inherit;
  content: "";
  animation: pa-completion-ring 900ms var(--pa-motion-ease) both;
}

@keyframes pa-completion-ring {
  to { opacity: 0; transform: scale(1.06); }
}

.pa-stock-count-readout {
  transition:
    color var(--pa-motion-fast) ease,
    transform var(--pa-motion-fast) var(--pa-motion-ease);
}

.pa-stock-count-readout.is-changing {
  color: #0f766e;
  transform: scale(1.08);
}

[data-pa-stock-card] {
  transition:
    border-color var(--pa-motion-base) ease,
    box-shadow var(--pa-motion-base) ease,
    transform var(--pa-motion-base) var(--pa-motion-ease);
}

[data-pa-stock-card].is-dirty {
  border-color: #5eead4;
  box-shadow: 0 8px 24px rgb(15 118 110 / 0.1);
  transform: translateY(-1px);
}

[data-pa-stock-card][data-pa-stock-state="running_low"],
[data-pa-stock-card][data-pa-stock-state="running-low"] {
  border-color: #fbbf24;
  background: linear-gradient(145deg, #fff, #fffbeb);
}

[data-pa-stock-card][data-pa-stock-state="missing"] {
  border-color: #fb7185;
  background: linear-gradient(145deg, #fff, #fff1f2);
}

.pa-palette-section-label {
  padding: 0.55rem 0.9rem 0.35rem;
  color: #64748b;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.pa-palette-result {
  transition:
    background-color var(--pa-motion-fast) ease,
    transform var(--pa-motion-fast) var(--pa-motion-ease);
}

.pa-palette-result[aria-selected="true"] {
  transform: translateX(3px);
}

.pa-palette-loading {
  display: grid;
  gap: 0.65rem;
  padding: 0.75rem 1rem 1rem;
}

.pa-palette-loading .pa-skeleton-line:nth-child(1) { width: 74%; }
.pa-palette-loading .pa-skeleton-line:nth-child(2) { width: 58%; }
.pa-palette-loading .pa-skeleton-line:nth-child(3) { width: 82%; }

.pa-mobile-quick-trigger,
.pa-mobile-quick-tray {
  display: none;
}

@media (max-width: 1023px) {
  .pa-topbar-actions {
    flex: 0 0 auto;
    max-width: none;
    overflow: visible;
  }

  .pa-topbar-actions > button[aria-label="Search"] {
    display: none;
  }

  .pa-save-toast {
    bottom: calc(5.25rem + var(--pa-safe-bottom, 0px));
  }

  .pa-mobile-quick-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    flex: 0 0 2.5rem;
    min-height: 2.5rem;
    padding: 0;
    border: 1px solid #cbd5e1;
    border-radius: 0.75rem;
    background: #0f172a;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 800;
    box-shadow: 0 5px 14px rgb(15 23 42 / 0.16);
  }

  .pa-mobile-quick-trigger[aria-expanded="true"] {
    background: #0f766e;
  }

  .pa-mobile-quick-tray {
    position: fixed;
    z-index: 200;
    inset: auto 0 0;
    display: block;
    padding: 0 0.75rem calc(0.75rem + var(--pa-safe-bottom, 0px));
    pointer-events: none;
    visibility: hidden;
    transition: visibility 0s linear 320ms;
  }

  .pa-mobile-quick-tray[data-open="true"] {
    pointer-events: auto;
    visibility: visible;
    transition-delay: 0s;
  }

  body:has(.pa-mobile-quick-tray[data-open="true"]) [data-pa-training-coach="1"],
  body:has(.pa-mobile-quick-tray[data-open="true"]) .pa-guided-practice {
    opacity: 0;
    pointer-events: none;
  }

  .pa-mobile-quick-tray-scrim {
    position: fixed;
    inset: 0;
    background: rgb(15 23 42 / 0.32);
    opacity: 0;
    transition: opacity var(--pa-motion-base) ease;
  }

  .pa-mobile-quick-tray-panel {
    position: relative;
    max-width: 34rem;
    margin: 0 auto;
    padding: 0.9rem;
    border: 1px solid rgb(255 255 255 / 0.7);
    border-radius: 1.4rem;
    background: rgb(255 255 255 / 0.97);
    box-shadow: 0 22px 56px rgb(15 23 42 / 0.24);
    transform: translateY(calc(100% + 1.5rem));
    transition: transform 320ms var(--pa-motion-ease);
    backdrop-filter: blur(18px);
  }

  .pa-mobile-quick-tray[data-open="true"] .pa-mobile-quick-tray-scrim {
    opacity: 1;
  }

  .pa-mobile-quick-tray[data-open="true"] .pa-mobile-quick-tray-panel {
    transform: translateY(0);
  }

  .pa-mobile-quick-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.55rem;
  }

  .pa-mobile-quick-action {
    display: flex;
    min-height: 4.6rem;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.55rem 0.3rem;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    background: #f8fafc;
    color: #0f172a;
    font-size: 0.7rem;
    font-weight: 800;
    text-align: center;
  }

  .pa-mobile-quick-action:active {
    background: #ccfbf1;
    transform: scale(0.97);
  }
}

@media (prefers-reduced-motion: reduce) {
  .pa-page,
  .pa-live-dot,
  .pa-skeleton::after,
  .pa-submit-busy::after,
  .pa-save-toast,
  .pa-completion-burst::after,
  .pa-kpi-value.is-updating {
    animation: none !important;
  }

  html.pa-interactions-ready [data-pa-reveal],
  html.pa-interactions-ready [data-pa-reveal].is-visible,
  .pa-progress-fill,
  [data-pa-assessment-question],
  [data-pa-stock-card],
  .pa-mobile-quick-tray-scrim,
  .pa-mobile-quick-tray-panel {
    opacity: 1;
    transform: none;
    transition: none !important;
  }
}