/* ─── Animations ─────────────────────────────────────────────────────────── */

/* ── View Slide System ── */
.view {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
  will-change: transform, opacity;
  transition: transform var(--t-slide) var(--ease),
              opacity var(--t-slide) var(--ease);
}

.view.active {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

.view.exit-left {
  transform: translateX(-30%);
  opacity: 0;
  pointer-events: none;
}

.view.slide-back-enter {
  transform: translateX(-30%);
  opacity: 0;
}

/* ── View Container ── */
#views {
  position: relative;
  flex: 1;
  overflow: hidden;
}

/* ── Keyframes ── */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(-12px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes toast-out {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(-8px) scale(0.96);
  }
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scale-in {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── Item Reveal ── */
.reveal {
  animation: fade-in var(--t-base) var(--ease) both;
}

/* Staggered list items */
.reveal-list > * {
  animation: fade-in var(--t-base) var(--ease) both;
}
.reveal-list > *:nth-child(1) { animation-delay: 0ms; }
.reveal-list > *:nth-child(2) { animation-delay: 40ms; }
.reveal-list > *:nth-child(3) { animation-delay: 80ms; }
.reveal-list > *:nth-child(4) { animation-delay: 120ms; }
.reveal-list > *:nth-child(5) { animation-delay: 160ms; }
.reveal-list > *:nth-child(6) { animation-delay: 200ms; }
.reveal-list > *:nth-child(7) { animation-delay: 240ms; }
.reveal-list > *:nth-child(n+8) { animation-delay: 280ms; }

/* ── Connection pulse ── */
.pulse {
  animation: pulse-dot 2s ease-in-out infinite;
}

/* ── Swipe delete ── */
.swipe-content {
  transition: transform var(--t-base) var(--ease);
  will-change: transform;
}
.swipe-content.dragging {
  transition: none;
}

/* ── FAB scale-in on mount ── */
.fab {
  animation: scale-in var(--t-slow) var(--ease) both;
}

/* ── Skeleton shimmer ── */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-card) 25%,
    var(--bg-card-hover) 50%,
    var(--bg-card) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s ease infinite;
  border-radius: var(--r-md);
  height: 1em;
}
@keyframes skeleton-shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* ── Theme transition ── */
html {
  transition: background var(--t-base) var(--ease);
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .view, .modal, .modal-backdrop {
    transition: none !important;
  }
}