/* ========================================
 * Galton Board (Plinko) — Blog Interactive
 * ======================================== */

/* ── Wrapper ─────────────────────────────── */
.galton-board-wrapper {
  margin: var(--spacing-xl) auto;
  max-width: 740px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.galton-board-wrapper h3 {
  font-family: 'Saira Condensed', 'Inter', system-ui, sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--heading-color);
  margin: 0 0 var(--spacing-sm);
}

.galton-board-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin: 0 0 var(--spacing-md);
  line-height: 1.5;
}

/* ── Feature toggles ────────────────────── */
.galton-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.galton-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  user-select: none;
}

.galton-toggle input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border: 2px solid var(--accent-subtle);
  border-radius: 3px;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: background 0.15s, border-color 0.15s;
}

.galton-toggle input[type="checkbox"]:checked {
  background: var(--primary-color);
  border-color: var(--primary-color);
}

.galton-toggle input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 0px;
  width: 4px;
  height: 8px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Checked state for the pill */
.galton-toggle:has(input:checked) {
  background: rgba(16, 185, 129, 0.08);
  border-color: var(--primary-color);
  color: var(--text-primary);
}

/* Fallback for browsers without :has() */
.galton-toggle--active {
  background: rgba(16, 185, 129, 0.08);
  border-color: var(--primary-color);
  color: var(--text-primary);
}

/* ── Buttons ─────────────────────────────── */
.galton-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.galton-btn-primary,
.galton-btn-secondary {
  padding: 8px 18px;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  border: none;
  transition: background 0.15s, transform 0.1s;
}

.galton-btn-primary:active,
.galton-btn-secondary:active {
  transform: scale(0.97);
}

.galton-btn-primary {
  background: var(--primary-color);
  color: #fff;
}

.galton-btn-primary:hover {
  background: var(--primary-color-hover, #0B956C);
}

.galton-btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.galton-btn-secondary:hover {
  background: var(--bg-elevated, var(--bg-secondary));
  color: var(--text-primary);
}

.galton-feature-count {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--text-muted, var(--text-secondary));
  font-weight: var(--font-weight-medium);
}

/* ── Canvas container ────────────────────── */
.galton-canvas-container {
  width: 100%;
  max-width: 700px;
  margin: 0 auto var(--spacing-md);
  aspect-ratio: 7 / 5;
  position: relative;
  background: var(--bg-card);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.galton-canvas-container canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* ── Insight callout ─────────────────────── */
.galton-insight {
  border-left: 3px solid var(--primary-color);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-primary);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  margin-top: var(--spacing-sm);
}

.galton-insight-label {
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 4px;
}

.galton-insight p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.55;
}

/* ── Responsive ──────────────────────────── */
@media (max-width: 768px) {
  .galton-toggles {
    flex-direction: column;
  }

  .galton-toggle {
    justify-content: flex-start;
  }

  .galton-controls {
    flex-wrap: wrap;
  }

  .galton-feature-count {
    width: 100%;
    margin-left: 0;
    margin-top: var(--spacing-xs);
  }
}

@media (max-width: 480px) {
  .galton-board-wrapper {
    margin-left: calc(-1 * var(--spacing-md));
    margin-right: calc(-1 * var(--spacing-md));
    border-radius: 0;
    border-left: none;
    border-right: none;
    padding: var(--spacing-md);
  }
}

/* ── Print ───────────────────────────────── */
@media print {
  .galton-toggles,
  .galton-controls {
    display: none;
  }

  .galton-board-wrapper {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* ── Reduced motion ──────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .galton-toggle,
  .galton-btn-primary,
  .galton-btn-secondary {
    transition: none;
  }
}