/* slidepuzzle.app — interactive solver widget styles */
.sp-solver {
  --sp-accent: #007aff;
  --sp-ink: #1d1d1f;
  --sp-mute: rgba(60, 60, 67, 0.6);
  --sp-hair: rgba(60, 60, 67, 0.12);
  margin: 28px 0 34px;
  padding: 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
          backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), 0 10px 30px rgba(60, 60, 67, 0.08);
}

.sp-sizes { display: flex; gap: 8px; margin-bottom: 14px; }
.sp-sizes:empty { display: none; }

.sp-grid {
  display: grid;
  grid-template-columns: repeat(var(--n, 4), 1fr);
  gap: 6px;
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
}

.sp-tile {
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  font-family: "JetBrains Mono", "SF Mono", ui-monospace, monospace;
  font-size: clamp(18px, 5vw, 30px);
  font-weight: 500;
  color: var(--sp-ink);
  background: #fff;
  border: 1px solid var(--sp-hair);
  box-shadow: 0 1px 2px rgba(60, 60, 67, 0.08);
  transition: transform 0.12s ease, background 0.15s ease, box-shadow 0.15s ease;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.sp-tile.is-home { background: #f0fbf3; border-color: rgba(52, 199, 89, 0.35); }
.sp-tile--blank { background: transparent; border: 1px dashed var(--sp-hair); box-shadow: none; cursor: default; }
.sp-grid.is-editing .sp-tile { cursor: pointer; }
.sp-tile.is-pick { background: #e9f2ff; border-color: var(--sp-accent); transform: scale(0.96); }

.sp-status {
  min-height: 20px; margin: 14px 2px 0;
  font-size: 14px; color: var(--sp-mute); text-align: center;
}
.sp-status--ok { color: #1f9d4d; font-weight: 600; }
.sp-status--bad { color: #d23b3b; }

.sp-controls { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 14px; }
.sp-playbar { display: flex; align-items: center; gap: 10px; justify-content: center; margin-top: 12px; }

.sp-btn {
  font-family: inherit; font-size: 15px; font-weight: 500;
  color: var(--sp-ink);
  padding: 9px 16px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--sp-hair);
  cursor: pointer; transition: background 0.15s, transform 0.1s;
}
.sp-btn:hover { background: #fff; }
.sp-btn:active { transform: scale(0.97); }
.sp-btn--primary { background: var(--sp-accent); color: #fff; border-color: transparent; }
.sp-btn--primary:hover { background: #0a6fe0; }
.sp-btn--mini { padding: 8px 13px; font-size: 17px; line-height: 1; }
.sp-btn.is-active { background: var(--sp-ink); color: #fff; border-color: transparent; }

.sp-scrub { flex: 1; max-width: 220px; accent-color: var(--sp-accent); }