/* ===== Progressive Disclosure Controls (Mobile) ===== */
/* Created by: 콩미니 (Kong-mini) */
/* Policy: P2 (No Essence Compromise) - Progressive Disclosure, not Simplification */

.progressive-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 12px;
  margin-top: var(--space-sm);
}

.progressive-hint {
  color: white;
  font-size: var(--font-size-sm);
  text-align: center;
  margin: 0;
  font-weight: 500;
}

.progressive-controls .btn {
  width: 100%;
  max-width: 300px;
  padding: var(--space-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.progressive-controls .btn-primary {
  background: white;
  color: #667eea;
}

.progressive-controls .btn-primary:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.progressive-controls .btn-secondary {
  background: rgba(255,255,255,0.2);
  color: white;
  border: 2px solid white;
}

.progressive-controls .btn-secondary:hover {
  background: rgba(255,255,255,0.3);
}

/* Only show on mobile */
@media (min-width: 768px) {
  .progressive-controls {
    display: none;
  }
}

/* Tablet/Desktop: Use hidden class */
.progressive-controls.hidden {
  display: none;
}

/* Animation for step transition */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.progressive-controls:not(.hidden) {
  animation: fadeInUp 0.3s ease;
}

/* Touch feedback */
.progressive-controls .btn:active {
  transform: scale(0.98);
}