/**
 * Plans & Billing — pricing page styles.
 */

.sub-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
}

.sub-page__hero {
  position: relative;
  text-align: center;
  padding: 2rem 0 1.5rem;
}

.sub-page__back {
  position: absolute;
  left: 0;
  top: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  border: none;
  background: var(--surface-2, rgba(0, 0, 0, 0.04));
  border-radius: 8px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.875rem;
}

.sub-page__back:hover {
  color: var(--text-primary);
  background: var(--surface-3, rgba(0, 0, 0, 0.08));
}

.sub-page__badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(99, 102, 241, 0.12));
  color: #0284c7;
  margin-bottom: 0.75rem;
}

.sub-page__title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(1.85rem, 4vw, 2.5rem);
  margin: 0 0 0.75rem;
}

.sub-page__subtitle {
  max-width: 640px;
  margin: 0 auto 1.5rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.sub-page__billing-toggle {
  display: inline-flex;
  gap: 0.25rem;
  padding: 0.25rem;
  border-radius: 10px;
  background: var(--surface-2, rgba(0, 0, 0, 0.05));
  border: 1px solid var(--border-subtle, rgba(0, 0, 0, 0.08));
}

.sub-billing-btn {
  border: none;
  background: transparent;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-secondary);
}

.sub-billing-btn.is-active {
  background: var(--card-bg, #fff);
  color: var(--text-primary);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.sub-billing-btn__save {
  font-size: 0.7rem;
  color: #059669;
  font-weight: 600;
}

.sub-page__highlight {
  text-align: center;
  padding: 0.75rem 1rem;
  margin: 0 0 1.5rem;
  border-radius: 10px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: var(--text-primary);
}

.sub-page__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

/* Plan cards */
.sub-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  border-radius: 16px;
  border: 1px solid var(--border-subtle, rgba(0, 0, 0, 0.1));
  background: var(--card-bg, #fff);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.sub-card--popular {
  border-color: #0ea5e9;
  box-shadow: 0 8px 32px rgba(14, 165, 233, 0.15);
}

.sub-card--locked {
  opacity: 0.72;
  background: var(--surface-2, rgba(0, 0, 0, 0.02));
}

.sub-card--locked .sub-card__features {
  filter: grayscale(0.3);
}

.sub-card--current {
  border-color: #059669;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.sub-card__ribbon {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: #0ea5e9;
  color: #fff;
}

.sub-card__lock-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  background: rgba(100, 116, 139, 0.15);
  color: var(--text-secondary);
}

.sub-card__name {
  margin: 0 0 0.35rem;
  font-size: 1.2rem;
}

.sub-card__tagline {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.45;
  min-height: 2.5em;
}

.sub-card__price {
  margin-bottom: 1.25rem;
}

.sub-card__amount {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.sub-card__per {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
}

.sub-card__features {
  flex: 1;
  margin: 0 0 1.25rem;
  padding-left: 1.1rem;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.sub-card__features li {
  margin-bottom: 0.4rem;
}

.sub-card__limit {
  color: #b45309;
  font-style: italic;
}

.sub-card__cta {
  width: 100%;
  padding: 0.65rem 1rem;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.sub-card__cta--primary {
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  color: #fff;
}

.sub-card__cta--ghost {
  background: transparent;
  border-color: var(--border-subtle, rgba(0, 0, 0, 0.15));
  color: var(--text-primary);
}

.sub-card__cta--current {
  background: rgba(16, 185, 129, 0.1);
  color: #059669;
  border-color: rgba(16, 185, 129, 0.3);
  cursor: default;
}

.sub-card__cta--locked {
  background: var(--surface-2, rgba(0, 0, 0, 0.05));
  color: var(--text-secondary);
  border-color: var(--border-subtle, rgba(0, 0, 0, 0.1));
  cursor: not-allowed;
}

/* BYOK section */
.sub-byok {
  padding: 1.75rem;
  border-radius: 16px;
  border: 1px solid rgba(14, 165, 233, 0.25);
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.06), rgba(99, 102, 241, 0.04));
  margin-bottom: 2rem;
}

.sub-byok--hidden {
  display: none;
}

.sub-byok__title {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

.sub-byok__desc {
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.sub-byok__desc a {
  color: #0284c7;
}

.sub-byok__form {
  display: grid;
  gap: 1rem;
  max-width: 480px;
}

.sub-byok__field span {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.sub-byok__input {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border-subtle, rgba(0, 0, 0, 0.12));
  border-radius: 8px;
  font: inherit;
}

.sub-byok__masked,
.sub-byok__hint {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.35rem;
}

.sub-page__foot {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Upgrade modal */
.sub-upgrade-overlay {
  position: fixed;
  inset: 0;
  z-index: 12000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(15, 23, 42, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}

.sub-upgrade-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

.sub-upgrade-modal {
  position: relative;
  width: 100%;
  max-width: 400px;
  padding: 2rem 1.75rem;
  border-radius: 16px;
  background: var(--card-bg, #fff);
  text-align: center;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.2);
}

.sub-upgrade-modal__close {
  position: absolute;
  top: 12px;
  right: 14px;
  border: none;
  background: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
}

.sub-upgrade-modal__icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 0.75rem;
}

.sub-upgrade-modal h2 {
  margin: 0 0 0.75rem;
}

.sub-upgrade-modal__feature,
.sub-upgrade-modal__reason {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0 0 0.75rem;
}

.sub-upgrade-modal__actions {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1.25rem;
}

/* Navbar */
.navbar__plan-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  background: var(--surface-2, rgba(0, 0, 0, 0.06));
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.navbar__plan-badge--pro {
  background: rgba(14, 165, 233, 0.15);
  color: #0284c7;
}

.navbar__plan-badge--mains {
  background: rgba(139, 92, 246, 0.15);
  color: #7c3aed;
}

.navbar__upgrade-btn {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  color: #fff;
}

.navbar__upgrade-btn:hover {
  filter: brightness(1.06);
}

@media (max-width: 768px) {
  .sub-page__grid {
    grid-template-columns: 1fr;
  }

  .navbar__plan-badge {
    display: none;
  }
}