/* ============================================
   CaseMirror Onboarding Flow
   ============================================
   A guided slideshow for new users.
   ============================================ */

/* Overlay */
.onboarding-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10000;
  background: rgba(26, 26, 26, 0.6);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.onboarding-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* Modal */
.onboarding-modal {
  position: relative;
  background: var(--color-paper);
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
  max-width: 560px;
  width: 100%;
  overflow: hidden;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s ease;
}

.onboarding-overlay.open .onboarding-modal {
  transform: translateY(0) scale(1);
}

/* Skip button */
.onboarding-skip {
  position: absolute;
  z-index: 1;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
  cursor: pointer;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.onboarding-skip:hover {
  color: var(--color-ink);
  background: var(--color-paper-darker);
}

/* Slide container */
.onboarding-slides {
  position: relative;
  overflow: hidden;
}

.onboarding-slide {
  display: none;
  padding: var(--space-xl) var(--space-xl) var(--space-lg);
  text-align: center;
  animation: onboardingFadeIn 0.3s ease;
}

.onboarding-slide.active {
  display: block;
}

@keyframes onboardingFadeIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Slide icon */
.onboarding-slide-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  color: var(--color-burgundy);
}

/* Slide title */
.onboarding-slide-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-ink);
  margin: 0 0 var(--space-sm);
}

/* Slide description */
.onboarding-slide-desc {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-md);
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

/* Feature chips */
.onboarding-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-top: var(--space-md);
}

.onboarding-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-xs) var(--space-md);
  background: var(--color-paper-darker);
  border-radius: 20px;
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  color: var(--color-ink);
}

.onboarding-chip-icon {
  width: 14px;
  height: 14px;
  color: var(--color-burgundy);
}

/* Stat row */
.onboarding-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
  padding: 0 var(--space-md);
}

.onboarding-stat {
  text-align: center;
}

.onboarding-stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-burgundy);
}

.onboarding-stat-label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  margin-top: 2px;
}

/* Footer */
.onboarding-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-xl) var(--space-lg);
  border-top: 1px solid var(--color-border-light);
}

/* Dots */
.onboarding-dots {
  display: flex;
  gap: 8px;
}

.onboarding-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.onboarding-dot.active {
  background: var(--color-burgundy);
  transform: scale(1.25);
}

.onboarding-dot:hover {
  background: var(--color-burgundy-light);
}

/* Nav buttons */
.onboarding-nav {
  display: flex;
  gap: var(--space-sm);
}

.onboarding-btn {
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.onboarding-btn-back {
  background: transparent;
  color: var(--color-ink-muted);
  border: 1px solid var(--color-border);
}

.onboarding-btn-back:hover {
  background: var(--color-paper-darker);
  color: var(--color-ink);
}

.onboarding-btn-next {
  background: var(--color-burgundy);
  color: var(--color-white);
  border: 1px solid var(--color-burgundy);
}

.onboarding-btn-next:hover {
  background: var(--color-burgundy-dark);
}

/* Responsive */
@media (max-width: 640px) {
  .onboarding-modal {
    max-width: 100%;
    border-radius: 16px 16px 0 0;
    margin-top: auto;
  }

  .onboarding-overlay {
    align-items: flex-end;
    padding: 0;
  }

  .onboarding-slide {
    padding: var(--space-lg);
  }

  .onboarding-slide-title {
    font-size: 1.25rem;
  }

  .onboarding-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
  }

  .onboarding-stat-value {
    font-size: 1.25rem;
  }

  .onboarding-footer {
    padding: var(--space-md) var(--space-lg);
  }
}