/* ==========================================================================
   Sprites gallery — component styles.
   Loaded only on /sprites/ pages, on top of css/styles.css. Shows sprite
   sheets exported from Aseprite, played back with a plain CSS steps()
   animation (no JS animation loop needed).
   ========================================================================== */

.sp-page-header {
  padding: 48px 0 16px;
  text-align: center;
}

.sp-eyebrow {
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--bark-500);
  text-transform: uppercase;
}

.sp-page-title {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  color: var(--moss-900);
}

.sp-page-sub {
  color: var(--bark-500);
  max-width: 560px;
  margin: 0 auto;
  font-family: var(--font-body);
}

.sp-empty {
  font-family: var(--font-body);
  color: var(--bark-500);
  font-style: italic;
  padding: 20px 0;
}

/* ---------- Grid / cards ---------- */

.sp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  padding: 32px 0 96px;
}

.sp-card {
  background: var(--paper);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-soft);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.sp-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

.sp-card-thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 0;
  background: var(--moss-800);
  border-bottom: 3px solid var(--ink);
}

/* ---------- The animated sprite itself ---------- */

.sp-stage {
  background-repeat: no-repeat;
  background-position: 0 0;
}

@keyframes sprite-play {
  to { background-position: calc(var(--sheet-w) * -1) 0; }
}

@media (prefers-reduced-motion: reduce) {
  .sp-stage { animation-play-state: paused; }
}

.sp-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sp-card-title {
  font-size: 1rem;
  margin: 0;
  color: var(--moss-900);
}

.sp-card-desc {
  font-family: var(--font-body);
  color: var(--bark-700);
  font-size: 0.95rem;
  margin: 0;
}

.sp-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  margin: 0;
  font-family: var(--font-body);
}

.sp-card-meta dt {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--bark-500);
}

.sp-card-meta dd {
  margin: 0;
  font-weight: 600;
  color: var(--moss-800);
  font-size: 0.88rem;
}

.sp-card-meta a {
  color: var(--moss-700);
  text-decoration: underline;
}

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
  .sp-page-header { padding: 32px 0 8px; }
  .sp-grid { padding: 24px 0 64px; gap: 24px; }
}