/* ═══════════════════════════════════════════════════════════════════
   AURORA V2 — Animations
   Subtle, refined micro-interactions
   ═══════════════════════════════════════════════════════════════════ */

/* ── Page entrance — fadeInUp stagger ──────────────────────────── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.anim-in {
  animation: fadeInUp var(--f-dur-slow) var(--f-spring) both;
}
.anim-in-1 { animation-delay: 0ms; }
.anim-in-2 { animation-delay: 60ms; }
.anim-in-3 { animation-delay: 120ms; }
.anim-in-4 { animation-delay: 180ms; }
.anim-in-5 { animation-delay: 240ms; }
.anim-in-6 { animation-delay: 300ms; }
.anim-in-7 { animation-delay: 360ms; }
.anim-in-8 { animation-delay: 420ms; }

/* ── Fade in only ─────────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.anim-fade {
  animation: fadeIn var(--f-dur-base) var(--f-ease) both;
}

/* ── Scale pop (for badges, toasts) ──────────────────────────── */
@keyframes scalePop {
  0%   { opacity: 0; transform: scale(.92); }
  100% { opacity: 1; transform: scale(1); }
}
.anim-pop {
  animation: scalePop var(--f-dur-base) var(--f-spring) both;
}

/* ── Slide in from right (drawer / panels) ───────────────────── */
@keyframes slideInRight {
  from { transform: translateX(24px); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}
.anim-slide-right {
  animation: slideInRight var(--f-dur-base) var(--f-spring) both;
}

/* ── Number flip / counter (price updates) ───────────────────── */
@keyframes priceFlash {
  0%   { background: var(--f-surface-3); }
  100% { background: transparent; }
}
.anim-price-flash {
  animation: priceFlash 600ms var(--f-ease);
  border-radius: var(--f-r-sm);
}

/* ── Pulse (live indicator) ──────────────────────────────────── */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: .4; }
}
.anim-pulse {
  animation: pulse 2s var(--f-ease) infinite;
}

/* ── Skeleton shimmer (already in ui.css, kept for reference) ── */

/* ── Scroll reveal utility ───────────────────────────────────── */
/* Apply via JS: IntersectionObserver adds .is-visible */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--f-dur-slow) var(--f-spring),
    transform var(--f-dur-slow) var(--f-spring);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Hover micro-interactions (enhancement layer) ─────────────── */
.hover-lift {
  transition:
    transform var(--f-dur-base) var(--f-spring),
    box-shadow var(--f-dur-base) var(--f-ease);
}
.hover-lift:hover {
  transform: translateY(-3px);
  box-shadow: var(--f-shadow-hover);
}

/* ── Page transition (exit / enter) ──────────────────────────── */
.page-exit {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 150ms var(--f-ease), transform 150ms var(--f-ease);
}
.page-enter {
  animation: fadeInUp 350ms var(--f-spring) both;
}

/* ═══ Toast — editorial slide-up ═════════════════════════════════ */
.ftr-toast {
  position: fixed;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--f-ink-1);
  color: #fff;
  font-family: var(--f-font-ui);
  font-size: var(--f-text-sm);
  font-weight: 500;
  border-radius: var(--f-r-pill);
  box-shadow: 0 8px 32px rgba(0,0,0,.18);
  transition: bottom 400ms var(--f-spring), opacity 400ms var(--f-ease);
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
}
.ftr-toast.is-show {
  bottom: 32px;
  opacity: 1;
}
.ftr-toast__icon {
  font-size: 16px;
  flex-shrink: 0;
}

/* ═══ ⌘K Command Menu ═══════════════════════════════════════════ */
.cmd-overlay {
  position: fixed;
  inset: 0;
  z-index: 8000;
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms var(--f-ease), visibility 200ms;
}
.cmd-overlay.is-open {
  opacity: 1;
  visibility: visible;
}
.cmd-panel {
  width: min(580px, 90vw);
  background: var(--f-surface);
  border-radius: var(--f-r-xl);
  box-shadow: 0 24px 80px rgba(0,0,0,.2);
  overflow: hidden;
  transform: scale(.96) translateY(-8px);
  transition: transform 250ms var(--f-spring);
}
.cmd-overlay.is-open .cmd-panel {
  transform: scale(1) translateY(0);
}
.cmd-input-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--f-line);
}
.cmd-input-wrap__icon {
  font-size: 18px;
  color: var(--f-ink-3);
  flex-shrink: 0;
}
.cmd-input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--f-font-ui);
  font-size: var(--f-text-lg);
  color: var(--f-ink-1);
  outline: none;
}
.cmd-input::placeholder {
  color: var(--f-ink-3);
  font-weight: 300;
}
.cmd-shortcuts {
  display: flex;
  align-items: center;
  gap: 4px;
}
.cmd-kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  border-radius: var(--f-r-sm);
  background: var(--f-surface-3);
  font-family: var(--f-font-num);
  font-size: 11px;
  color: var(--f-ink-3);
}
.cmd-results {
  max-height: 320px;
  overflow-y: auto;
  padding: 8px 0;
}
.cmd-results:empty::after {
  content: '輸入關鍵字搜尋卡片…';
  display: block;
  padding: 24px 20px;
  text-align: center;
  color: var(--f-ink-3);
  font-size: var(--f-text-sm);
}
.cmd-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  cursor: pointer;
  transition: background 120ms var(--f-ease);
}
.cmd-item:hover,
.cmd-item.is-active {
  background: var(--f-surface-2);
}
.cmd-item__icon {
  width: 32px;
  height: 32px;
  border-radius: var(--f-r-sm);
  background: var(--f-surface-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}
.cmd-item__text {
  flex: 1;
  min-width: 0;
}
.cmd-item__title {
  font-size: var(--f-text-sm);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cmd-item__sub {
  font-size: var(--f-text-xs);
  color: var(--f-ink-3);
}
.cmd-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  border-top: 1px solid var(--f-line);
  font-size: var(--f-text-xs);
  color: var(--f-ink-3);
}