/* ============================================================
   Valet Design System — Skeleton / Loading States
   Requires: base-tokens.css, client-tokens.css

   Usage: swap content for .skeleton-* elements while loading.
   Apply .skeleton-pulse to any element for the shimmer effect.
   ============================================================ */

/* ── Shimmer animation ───────────────────────────────────── */
@keyframes skeleton-shimmer {
  from { background-position: 200% center; }
  to   { background-position: -200% center; }
}

.skeleton-pulse,
.skeleton-text,
.skeleton-heading,
.skeleton-avatar,
.skeleton-badge,
.skeleton-btn,
.skeleton-block {
  background: linear-gradient(
    90deg,
    color-mix(in oklch, var(--color-bg) 40%, var(--slate)) 25%,
    color-mix(in oklch, var(--color-bg) 70%, var(--white)) 50%,
    color-mix(in oklch, var(--color-bg) 40%, var(--slate)) 75%
  );
  background-size: 400% 100%;
  animation: skeleton-shimmer 1.6s ease-in-out infinite;
  border-radius: var(--radius-sm);
  color: transparent;
  user-select: none;
  pointer-events: none;
}

/* ── Text lines ──────────────────────────────────────────── */
.skeleton-text {
  block-size: 0.875em;
  border-radius: var(--radius-full);
}

.skeleton-text + .skeleton-text {
  margin-block-start: var(--space-2);
}

/* Simulate a paragraph — last line shorter */
.skeleton-text:last-child {
  inline-size: 75%;
}

.skeleton-heading {
  block-size: 1.5em;
  border-radius: var(--radius-full);
  margin-block-end: var(--space-3);
}

/* ── Avatar / icon placeholder ───────────────────────────── */
.skeleton-avatar {
  display: inline-block;
  inline-size: 2.5rem;
  block-size: 2.5rem;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.skeleton-avatar-sm {
  inline-size: 1.75rem;
  block-size: 1.75rem;
}

.skeleton-avatar-lg {
  inline-size: 3.5rem;
  block-size: 3.5rem;
}

/* ── Badge placeholder ───────────────────────────────────── */
.skeleton-badge {
  display: inline-block;
  block-size: 1.25rem;
  inline-size: 4rem;
  border-radius: var(--radius-full);
}

/* ── Button placeholder ──────────────────────────────────── */
.skeleton-btn {
  display: inline-block;
  block-size: 2.25rem;
  inline-size: 6rem;
  border-radius: var(--radius-md);
}

/* ── Generic block ───────────────────────────────────────── */
.skeleton-block {
  display: block;
  block-size: var(--skeleton-h, 1rem);
  inline-size: var(--skeleton-w, 100%);
  border-radius: var(--radius-md);
}

/* ── Table row skeletons ─────────────────────────────────── */
.skeleton-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding-block: var(--space-4);
  border-block-end: 1px solid var(--color-border-light);
}

.skeleton-row:last-child {
  border-block-end: none;
}

/* ── Card skeleton ───────────────────────────────────────── */
.skeleton-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* ── Reduced motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .skeleton-pulse,
  .skeleton-text,
  .skeleton-heading,
  .skeleton-avatar,
  .skeleton-badge,
  .skeleton-btn,
  .skeleton-block {
    animation: none;
  }
}