/* ── Upgrade banner (all visitors) ─────────────────────────────
   Reuses the app-modal design system from app.css — dark theme. */

/* ── Modal glow ─────────────────────────────────────────────── */
#upgradeBannerModal {
  background:
    radial-gradient(circle at top right, rgba(168, 85, 247, 0.28), transparent 42%),
    radial-gradient(circle at bottom left, rgba(52, 211, 153, 0.12), transparent 44%),
    linear-gradient(180deg, rgba(22, 30, 49, 0.98), rgba(12, 18, 31, 0.97));
  border-color: rgba(168, 85, 247, 0.35);
}

.upgrade-banner-eyebrow {
  background: linear-gradient(90deg, #f472b6, #a78bfa, #34d399);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 0.18em;
}

/* ── Feature cards ──────────────────────────────────────────── */
.upgrade-banner-features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.upgrade-banner-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.95rem 1rem;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(255, 255, 255, 0.035);
}

.upgrade-banner-feature--free {
  border-color: rgba(52, 211, 153, 0.3);
  background: linear-gradient(
    135deg,
    rgba(16, 185, 129, 0.14),
    rgba(16, 185, 129, 0.04)
  );
}

.upgrade-banner-feature--booster {
  border-color: rgba(167, 139, 250, 0.34);
  background: linear-gradient(
    135deg,
    rgba(139, 92, 246, 0.18),
    rgba(59, 130, 246, 0.05)
  );
}

.upgrade-banner-feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.upgrade-banner-feature--free .upgrade-banner-feature-icon {
  background: rgba(52, 211, 153, 0.2);
  color: #6ee7b7;
}

.upgrade-banner-feature--booster .upgrade-banner-feature-icon {
  background: rgba(167, 139, 250, 0.24);
  color: #c4b5fd;
}

.upgrade-banner-feature-copy {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

.upgrade-banner-feature-title {
  font-size: 0.98rem;
  color: var(--text-primary);
}

.upgrade-banner-feature-text {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.upgrade-banner-footnote {
  margin: 0;
  font-size: 0.74rem;
  color: var(--text-tertiary);
  text-align: right;
}

/* ── Actions ────────────────────────────────────────────────── */
.upgrade-banner-actions {
  display: grid;
  gap: 0.7rem;
}

.upgrade-banner-cta,
.upgrade-banner-ghost {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.1rem;
  border-radius: 12px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
}

.upgrade-banner-cta {
  background: linear-gradient(135deg, #818cf8, #a855f7 55%, #ec4899);
  color: #fff;
  box-shadow: 0 6px 22px rgba(129, 140, 248, 0.35);
}

.upgrade-banner-cta:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(168, 85, 247, 0.42);
}

.upgrade-banner-ghost {
  border: 1px solid rgba(148, 163, 184, 0.22);
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
}

.upgrade-banner-ghost:hover {
  border-color: var(--primary);
  color: var(--text-primary);
}

/* ── Floating bubble CTA ────────────────────────────────────── */
#upgradeBannerBubble {
  position: fixed;
  bottom: 1.2rem;
  right: 1.2rem;
  z-index: 1100;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1rem 0.6rem 0.7rem;
  border: 1px solid rgba(168, 85, 247, 0.45);
  border-radius: 100px;
  background: linear-gradient(
    135deg,
    rgba(129, 140, 248, 0.3),
    rgba(168, 85, 247, 0.2)
  );
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 24px rgba(168, 85, 247, 0.3);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  animation: ubBubblePulse 2.4s ease-in-out infinite;
}

#upgradeBannerBubble:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(168, 85, 247, 0.44);
  border-color: #a855f7;
}

#upgradeBannerBubble:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

#upgradeBannerBubble[hidden] {
  display: none !important;
}

.upgrade-banner-bubble-icon {
  font-size: 1.15rem;
  line-height: 1;
}

.upgrade-banner-bubble-label {
  letter-spacing: 0.02em;
}

@keyframes ubBubblePulse {
  0%,
  100% {
    box-shadow: 0 4px 24px rgba(168, 85, 247, 0.3);
  }
  50% {
    box-shadow: 0 4px 34px rgba(168, 85, 247, 0.52);
  }
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (min-width: 768px) {
  .upgrade-banner-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Push bubble above the mobile bottom nav (≈72 px tall). */
@media (max-width: 767px) {
  #upgradeBannerBubble {
    bottom: 5rem;
    right: 0.8rem;
    padding: 0.5rem 0.85rem 0.5rem 0.6rem;
    font-size: 0.78rem;
  }

  .upgrade-banner-bubble-icon {
    font-size: 1.05rem;
  }
}