/**
 * BetDNA Interaction Tokens — PDS-005
 * Semantic interaction timing, focus, touch targets, motion.
 */

:root {
  /* Timing */
  --bdna-duration-instant: 0ms;
  --bdna-duration-fast: 120ms;
  --bdna-duration-normal: 200ms;
  --bdna-duration-slow: 320ms;
  --bdna-ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --bdna-ease-emphasized: cubic-bezier(0.2, 0, 0, 1);

  /* Touch & focus */
  --bdna-touch-min: 44px;
  --bdna-focus-ring: 2px solid #38bdf8;
  --bdna-focus-offset: 2px;
  --bdna-focus-shadow: 0 0 0 var(--bdna-focus-offset) #0f172a, 0 0 0 calc(var(--bdna-focus-offset) + 2px) #38bdf8;

  /* Expand / collapse */
  --bdna-expand-max-height: 4000px;
}

/* ─── Focus visibility ─────────────────────────────────────────── */

.bdna-filter-chip:focus-visible,
.card-btn:focus-visible,
.cockpit-card:focus-visible,
.nav-btn:focus-visible,
.qa-btn:focus-visible,
.quick-link:focus-visible,
.betdna-expandable summary:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.link-btn:focus-visible {
  outline: none;
  box-shadow: var(--bdna-focus-shadow);
}

.betdna-workspace-title:focus {
  outline: none;
}

.betdna-workspace-title:focus-visible {
  outline: var(--bdna-focus-ring);
  outline-offset: var(--bdna-focus-offset);
}

/* ─── Touch targets ──────────────────────────────────────────── */

.bdna-filter-chip,
.nav-btn,
.qa-btn,
.card-btn,
.cockpit-card[role="button"] {
  min-height: var(--bdna-touch-min);
  touch-action: manipulation;
}

.card-btn,
.cockpit-card[role="button"] {
  transition:
    transform var(--bdna-duration-fast) var(--bdna-ease-standard),
    box-shadow var(--bdna-duration-fast) var(--bdna-ease-standard),
    border-color var(--bdna-duration-fast) var(--bdna-ease-standard);
}

.card-btn:active,
.cockpit-card[role="button"]:active {
  transform: scale(0.995);
}

/* ─── Expand / collapse motion ───────────────────────────────── */

.expand-panel,
.cockpit-expand {
  animation: bdna-expand-in var(--bdna-duration-normal) var(--bdna-ease-standard);
}

.betdna-expandable[open] > :not(summary) {
  animation: bdna-expand-in var(--bdna-duration-normal) var(--bdna-ease-standard);
}

@keyframes bdna-expand-in {
  from {
    opacity: 0.6;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Filter chip interaction ────────────────────────────────── */

.bdna-filter-chip {
  transition:
    background-color var(--bdna-duration-fast) var(--bdna-ease-standard),
    border-color var(--bdna-duration-fast) var(--bdna-ease-standard),
    color var(--bdna-duration-fast) var(--bdna-ease-standard);
}

.bdna-filter-chip[aria-pressed="true"],
.bdna-filter-chip.active {
  font-weight: 600;
}

/* ─── Loading pulse (subtle) ───────────────────────────────────── */

.betdna-loading-state {
  animation: bdna-pulse 1.4s var(--bdna-ease-standard) infinite;
}

.betdna-loading-caption {
  padding-top: 8px;
  font-size: 0.82rem;
}

/* ─── Button press feedback (Linear / Stripe) ─────────────────── */

.btn-primary,
.btn-secondary {
  transition:
    background-color var(--bdna-duration-fast) var(--bdna-ease-standard),
    border-color var(--bdna-duration-fast) var(--bdna-ease-standard),
    transform var(--bdna-duration-fast) var(--bdna-ease-standard),
    box-shadow var(--bdna-duration-fast) var(--bdna-ease-standard);
  touch-action: manipulation;
}

.btn-primary {
  min-height: var(--bdna-touch-min);
}

.btn-primary:active:not(:disabled),
.btn-secondary:active:not(:disabled) {
  transform: scale(0.98);
}

/* ─── Toast entrance (Superhuman / Raycast) ───────────────────── */

.user-toast-enter {
  animation: bdna-toast-in var(--bdna-duration-normal) var(--bdna-ease-emphasized);
}

@keyframes bdna-toast-in {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .user-toast-enter {
    animation: none;
  }
}

@keyframes bdna-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

/* ─── Reduced motion ───────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .expand-panel,
  .cockpit-expand,
  .betdna-expandable[open] > :not(summary) {
    animation: none;
  }

  .betdna-loading-state {
    animation: none;
    opacity: 0.75;
  }
}