/* css/onboarding.css
   Séquence de bienvenue plein écran (3 écrans), affichée une seule fois
   lors de la toute première visite (voir js/onboarding.js) — avant même la
   landing page. Réutilise les tokens de design (variables.css) et les
   composants partagés (.btn, .bubble, .logo-text — voir global.css). */

.onboarding-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  padding-top: calc(var(--space-6) + var(--safe-top));
  padding-bottom: calc(var(--space-6) + var(--safe-bottom));
  background: var(--color-bg);
  animation: fade-in var(--duration-slow) var(--ease-standard);
}

.onboarding-overlay::before,
.onboarding-overlay::after {
  content: '';
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(40px);
  opacity: 0.5;
  pointer-events: none;
}

.onboarding-overlay::before {
  width: 280px;
  height: 280px;
  background: rgba(217, 114, 76, 0.16);
  top: -80px;
  left: -80px;
}

.onboarding-overlay::after {
  width: 320px;
  height: 320px;
  background: rgba(47, 122, 110, 0.14);
  bottom: -100px;
  right: -100px;
}

.onboarding-overlay.onboarding-leaving {
  animation: fade-out var(--duration-normal) var(--ease-standard) forwards;
}

.onboarding-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.onboarding-skip {
  position: absolute;
  top: calc(-1 * var(--space-10));
  right: 0;
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  padding: var(--space-2) var(--space-3);
}

@media (min-width: 480px) {
  .onboarding-skip {
    top: 0;
  }
}

.onboarding-viewport {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.onboarding-track {
  display: flex;
  transition: transform var(--duration-slow) var(--ease-standard);
}

.onboarding-slide {
  flex: 0 0 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-5);
  padding: var(--space-4) var(--space-2);
}

.onboarding-mark {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 64px;
}

.onboarding-mark .logo-text {
  font-size: var(--fs-2xl);
}

.onboarding-icon {
  width: 76px;
  height: 76px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: var(--gradient-brand);
  font-size: 2.1rem;
  box-shadow: var(--shadow-brand);
}

.onboarding-slide h1,
.onboarding-slide h2 {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-extrabold);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.onboarding-slide p {
  color: var(--color-text-secondary);
  font-size: var(--fs-md);
  line-height: 1.55;
  max-width: 340px;
}

.onboarding-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  width: 100%;
  max-width: 320px;
  text-align: left;
}

.onboarding-step-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.onboarding-step-icon {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: rgba(217, 114, 76, 0.12);
  font-size: var(--fs-md);
}

.onboarding-step-item span:last-child {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-primary);
}

.onboarding-privacy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.onboarding-privacy-avatar {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: var(--gradient-brand);
  font-size: 1.6rem;
  box-shadow: var(--shadow-md);
}

.onboarding-privacy-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  color: var(--color-text-muted);
}

.onboarding-privacy-link span:first-child {
  font-size: var(--fs-lg);
  animation: pulse-soft 2.4s ease-in-out infinite;
}

.onboarding-privacy-link span:last-child {
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.onboarding-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.onboarding-dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  transition: width var(--duration-normal) var(--ease-standard),
              background var(--duration-normal) var(--ease-standard);
}

.onboarding-dot-active {
  width: 22px;
  background: var(--color-primary);
}

.onboarding-nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.onboarding-back {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: var(--fs-lg);
  display: grid;
  place-items: center;
}

/* [hidden] a la même spécificité qu'une seule classe : sans cette règle
   explicite, le display: grid ci-dessus l'emporterait et le bouton retour
   resterait visible sur le tout premier écran/étape. Même piège que
   .call-peer-photo, voir css/match.css. */
.onboarding-back[hidden] {
  display: none;
}

.onboarding-next {
  flex: 1;
}

@keyframes fade-out {
  to { opacity: 0; }
}

@keyframes pulse-soft {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.92); }
}