/* Modern Studio Design Tokens & Accessibility Helpers */
@layer base {
  html {
    scroll-behavior: smooth;
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  }

  /* High contrast focus ring for keyboard navigation */
  :focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 3px;
  }
}

/* Subtle background accent grid */
.bg-grid-pattern {
  background-size: 32px 32px;
  background-image: 
    linear-gradient(to right, rgba(226, 232, 240, 0.4) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(226, 232, 240, 0.4) 1px, transparent 1px);
}

/* Interactive Prototype Device Container */
.device-frame {
  box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(15, 23, 42, 0.06);
  border-radius: 1rem;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.device-frame:hover {
  box-shadow: 0 25px 50px -12px rgba(37, 99, 235, 0.12), 0 0 0 1px rgba(37, 99, 235, 0.15);
}

/* Modal Animations */
.modal-overlay {
  opacity: 0;
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.modal-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  transform: scale(0.96) translateY(8px);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  opacity: 0;
}

.modal-overlay.is-active .modal-content {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* Interactive Preview Action Feedback Badge */
.demo-toast {
  animation: slideUpFade 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}