/* ── Skeleton shimmer base ─────────────────────────────────────── */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--line-soft) 0%,
    var(--pearl) 50%,
    var(--line-soft) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.6s var(--ease-standard) infinite;
  border-radius: 0;
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-line {
  height: 14px;
  margin-bottom: var(--space-3);
  width: 100%;
}

.skeleton-line.short { width: 60%; }
.skeleton-line.medium { width: 80%; }

.skeleton-block {
  height: 120px;
  margin-bottom: var(--space-6);
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .skeleton {
    animation: none;
    background: var(--line-soft);
  }
}

/* ── Loading regions ─────────────────────────────────────────── */

.is-skeleton-loading {
  pointer-events: none;
}

.skeleton-stagger > * {
  --reveal-i: 0;
}

/* ── Choreographed content reveal ──────────────────────────────── */

.content-reveal-item {
  opacity: 0;
  transform: translateY(6px);
}

.content-reveal-item.is-revealed {
  animation: content-reveal-in 400ms var(--ease-out) forwards;
  animation-delay: calc(var(--reveal-i, 0) * 55ms);
}

@keyframes content-reveal-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .content-reveal-item {
    opacity: 1;
    transform: none;
  }

  .content-reveal-item.is-revealed {
    animation: none;
  }
}

/* ── Pipeline skeleton cards ───────────────────────────────────── */

.pipeline-card--skeleton {
  cursor: default;
  pointer-events: none;
  padding: var(--space-5) var(--space-6);
  border: 1px solid var(--line-soft);
  background: var(--pearl);
}

.pipeline-card--skeleton .skeleton-line:last-child {
  margin-bottom: 0;
}

.pipeline-column--skeleton .pipeline-column__title,
.pipeline-column--skeleton .pipeline-column__count {
  visibility: hidden;
  position: relative;
}

.pipeline-column--skeleton .pipeline-column__head::before {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5rem;
  height: 12px;
}

.pipeline-column--skeleton .pipeline-column__head {
  position: relative;
}

.pipeline-stat-skeleton {
  display: inline-block;
  width: 4.5rem;
  height: 1.35rem;
  vertical-align: middle;
}

/* ── Revenue metric skeleton ───────────────────────────────────── */

.metric-card--skeleton .metric-card__label,
.metric-card--skeleton .metric-card__value {
  color: transparent;
  user-select: none;
}

.metric-card__skeleton-label {
  width: 70%;
  height: 12px;
  margin-bottom: var(--space-3);
}

.metric-card__skeleton-value {
  width: 55%;
  height: 2rem;
}

.chart-panel--skeleton .skeleton-chart {
  width: 100%;
  height: 320px;
  margin-top: var(--space-4);
}

/* ── Quote service catalog skeleton ────────────────────────────── */

.service-card--skeleton {
  border: 1px solid var(--line-soft);
  background: var(--surface);
  overflow: hidden;
  pointer-events: none;
}

.service-card--skeleton .service-card__head {
  padding: var(--space-5);
}

.service-card--skeleton .skeleton-line:last-child {
  margin-bottom: 0;
}

/* ── Health card skeleton ──────────────────────────────────────── */

.health-card--loading .health-card__icon {
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  color: transparent;
  overflow: hidden;
}

.health-card--loading .health-card__message .skeleton-line {
  margin-bottom: 0;
}

/* ── Network status banner ─────────────────────────────────────── */

.network-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10001;
  padding: var(--space-3) var(--space-6);
  text-align: center;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  background: var(--text-primary);
  color: var(--surface);
  animation: toast-enter var(--dur-3) var(--ease-out);
}

.network-banner--ok {
  background: var(--text-primary);
}

.network-banner--warn {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-bottom: 1px solid var(--line-medium);
}

/* ── Shared toast (non-success variants) ─────────────────────── */

.fvr-toast {
  position: fixed;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: var(--text-primary);
  color: var(--surface);
  padding: var(--space-3) var(--space-6);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  z-index: 10000;
  opacity: 0;
  transition: opacity var(--dur-3) var(--ease-out), transform var(--dur-3) var(--ease-out);
}

.fvr-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.fvr-toast--error {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--line-medium);
}

/* ── Button loading shimmer (fallback when no spinner markup) ─── */

.btn.is-loading:not(:has(.btn-spinner))::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.12) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.6s var(--ease-standard) infinite;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .btn.is-loading::after {
    animation: none;
    background: rgba(255, 255, 255, 0.06);
  }
}