/* ==========================================================================
   Feature onboarding — interstitial + hint ribbon (assets/js/shared/feature-intro.js)
   Own veil layer above the page, below nothing else: z-index sits over
   FWConfirm (220) because the intro is only ever shown when no other modal is
   open, and a page's own drawers must never paint through it.
   ========================================================================== */

.fw-intro-root {
  position: fixed;
  inset: 0;
  z-index: 260;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 48px);
}

.fw-intro-backdrop {
  position: absolute;
  inset: 0;
  background: rgb(var(--bg) / 0.82);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.fw-intro-root.is-open .fw-intro-backdrop { opacity: 1; }

.fw-intro-card {
  position: relative;
  width: min(560px, 100%);
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  background: rgb(var(--panel));
  border: 1px solid rgb(var(--border));
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: clamp(22px, 3.2vw, 38px);
  text-align: left;
  opacity: 0;
  transform: translateY(14px) scale(0.985);
  transition: opacity 0.4s ease, transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.fw-intro-root.is-open .fw-intro-card {
  opacity: 1;
  transform: none;
}

.fw-intro-visual {
  display: block;
  width: 100%;
  margin-bottom: 16px;
  color: rgb(var(--primary));
}

.fw-intro-scene {
  display: block;
  width: min(220px, 60%);
  height: auto;
  margin: 0 auto;
}

.fw-intro-scene-faint { opacity: 0.28; }
.fw-intro-scene-hot { opacity: 0.9; }

.fw-intro-eyebrow {
  margin: 0 0 6px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgb(var(--text-muted));
}

.fw-intro-headline {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 1.1rem + 1vw, 1.85rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0 0 20px;
  color: rgb(var(--text));
  text-wrap: balance;
}

.fw-intro-benefits {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.fw-intro-benefit {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  align-items: start;
  font-size: 0.9rem;
  line-height: 1.5;
  color: rgb(var(--text) / 0.82);
}

.fw-intro-benefit-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
  color: rgb(var(--primary));
}

.fw-intro-benefit-icon svg { width: 18px; height: 18px; }

.fw-intro-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.fw-intro-skip {
  background: none;
  border: none;
  padding: 6px 2px;
  font-family: inherit;
  font-size: 0.85rem;
  color: rgb(var(--text-muted));
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: color var(--transition, 0.18s);
}

.fw-intro-skip:hover { color: rgb(var(--text)); }

.fw-intro-cta { margin-left: auto; }

/* The page behind must not scroll while the intro owns the screen. */
body.fw-intro-open { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  .fw-intro-backdrop,
  .fw-intro-card {
    transition: none;
    opacity: 1;
    transform: none;
  }
}

/* ── Hint ribbon ─────────────────────────────────────────────────────────── */

.fw-hint-ribbon {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  padding: 9px 10px 9px 14px;
  border: 1px solid rgb(var(--border));
  border-radius: var(--radius-sm);
  background: rgb(var(--primary) / 0.06);
  font-size: 0.82rem;
  line-height: 1.4;
  color: rgb(var(--text) / 0.78);
}

.fw-hint-ribbon-text { flex: 1 1 auto; }

.fw-hint-ribbon-close {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: none;
  color: rgb(var(--text-muted));
  cursor: pointer;
  transition: color var(--transition, 0.18s), background var(--transition, 0.18s);
}

.fw-hint-ribbon-close:hover {
  color: rgb(var(--text));
  background: rgb(var(--text) / 0.07);
}

.fw-hint-ribbon-close svg { width: 14px; height: 14px; }