:root {
  --billing-bg: #f4efe6;
  --billing-ink: #172033;
  --billing-muted: #5d687c;
  --billing-card: rgba(255, 255, 255, 0.82);
  --billing-border: rgba(23, 32, 51, 0.1);
  --billing-shadow: 0 24px 60px rgba(23, 32, 51, 0.12);
  --billing-accent: #db5b32;
  --billing-accent-dark: #ac4120;
  --billing-accent-soft: rgba(219, 91, 50, 0.12);
  --billing-highlight: #0f766e;
  --billing-highlight-soft: rgba(15, 118, 110, 0.12);
}

.billing-shell {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(219, 91, 50, 0.16), transparent 30%),
    radial-gradient(circle at 85% 20%, rgba(15, 118, 110, 0.14), transparent 28%),
    linear-gradient(180deg, #f8f4ec 0%, var(--billing-bg) 100%);
}

.billing-shell::before,
.billing-shell::after {
  content: "";
  position: absolute;
  inset: auto;
  border-radius: 999px;
  pointer-events: none;
}

.billing-shell::before {
  width: 320px;
  height: 320px;
  top: -100px;
  right: -90px;
  background: rgba(219, 91, 50, 0.08);
  filter: blur(8px);
}

.billing-shell::after {
  width: 220px;
  height: 220px;
  left: -70px;
  bottom: 90px;
  background: rgba(15, 118, 110, 0.1);
}

.billing-page {
  position: relative;
  z-index: 1;
}

.billing-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  background: rgba(23, 32, 51, 0.06);
  color: var(--billing-ink);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.billing-title {
  color: var(--billing-ink);
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
  font-weight: 800;
  max-width: 12ch;
}

.billing-copy {
  color: var(--billing-muted);
  font-size: 1.02rem;
  line-height: 1.75;
  max-width: 54rem;
}

.billing-status-banner {
  display: none;
  margin-top: 1.5rem;
  border-radius: 20px;
  padding: 1rem 1.1rem;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--billing-border);
  box-shadow: 0 14px 30px rgba(23, 32, 51, 0.06);
  color: var(--billing-ink);
}

.billing-status-banner.is-visible {
  display: block;
}

.billing-status-banner.is-error {
  border-color: rgba(185, 28, 28, 0.12);
  background: rgba(254, 242, 242, 0.92);
  color: #991b1b;
}

.billing-status-banner.is-success {
  border-color: rgba(21, 128, 61, 0.14);
  background: rgba(240, 253, 244, 0.92);
  color: #166534;
}

.billing-card {
  background: var(--billing-card);
  border: 1px solid var(--billing-border);
  border-radius: 30px;
  box-shadow: var(--billing-shadow);
  backdrop-filter: blur(16px);
}

.billing-overview {
  padding: 1.8rem;
  min-height: 100%;
}

.billing-overview-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.35rem;
}

.billing-overview-item {
  display: flex;
  gap: 0.95rem;
  align-items: flex-start;
  padding: 1rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(23, 32, 51, 0.06);
}

.billing-overview-item i {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--billing-accent-soft);
  color: var(--billing-accent-dark);
  font-size: 1.1rem;
  flex: 0 0 auto;
}

.billing-overview-item strong {
  display: block;
  color: var(--billing-ink);
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.billing-overview-item span {
  color: var(--billing-muted);
  line-height: 1.6;
}

.billing-side {
  padding: 1.4rem;
}

.billing-side-header {
  padding: 0.5rem 0.3rem 1rem;
}

.billing-side-title {
  color: var(--billing-ink);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
}

.billing-side-copy {
  color: var(--billing-muted);
  line-height: 1.65;
  margin-bottom: 0;
}

.billing-plan-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr);
}

.billing-plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.35rem;
  border-radius: 26px;
  border: 1px solid rgba(23, 32, 51, 0.08);
  background: rgba(255, 255, 255, 0.72);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.billing-plan-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 36px rgba(23, 32, 51, 0.1);
}

.billing-plan-card.is-highlighted {
  background: linear-gradient(180deg, rgba(255,255,255,0.85) 0%, rgba(255,244,235,0.92) 100%);
  border-color: rgba(219, 91, 50, 0.18);
}

.billing-plan-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.32rem 0.7rem;
  border-radius: 999px;
  background: var(--billing-accent-soft);
  color: var(--billing-accent-dark);
  font-size: 0.82rem;
  font-weight: 700;
}

.billing-plan-name {
  color: var(--billing-ink);
  font-size: 1.35rem;
  font-weight: 800;
  margin: 0.9rem 0 0.3rem;
}

.billing-plan-price {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  margin-bottom: 0.35rem;
}

.billing-plan-price strong {
  color: var(--billing-ink);
  font-size: clamp(1.8rem, 4vw, 2.35rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.billing-plan-price span {
  color: var(--billing-muted);
  font-size: 0.98rem;
  font-weight: 600;
}

.billing-plan-copy {
  color: var(--billing-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.billing-plan-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.billing-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.72rem;
  border-radius: 999px;
  background: rgba(23, 32, 51, 0.05);
  color: var(--billing-ink);
  font-size: 0.9rem;
  font-weight: 600;
}

.billing-plan-card .billing-btn {
  margin-top: auto;
}

.billing-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border: none;
  border-radius: 16px;
  padding: 0.92rem 1.15rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.billing-btn:hover {
  transform: translateY(-1px);
}

.billing-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.billing-btn-primary {
  width: 100%;
  background: linear-gradient(135deg, var(--billing-accent) 0%, #f08a48 100%);
  color: #fff;
  box-shadow: 0 16px 32px rgba(219, 91, 50, 0.24);
}

.billing-btn-secondary {
  width: 100%;
  background: rgba(23, 32, 51, 0.06);
  color: var(--billing-ink);
  border: 1px solid rgba(23, 32, 51, 0.09);
}

.billing-actions {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

.billing-manage-card {
  display: none;
  padding: 1.35rem;
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(240, 253, 250, 0.96) 0%, rgba(255, 255, 255, 0.82) 100%);
  border: 1px solid rgba(15, 118, 110, 0.16);
}

.billing-manage-card.is-visible {
  display: block;
}

.billing-manage-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.38rem 0.72rem;
  border-radius: 999px;
  background: var(--billing-highlight-soft);
  color: var(--billing-highlight);
  font-size: 0.82rem;
  font-weight: 700;
}

.billing-manage-title {
  color: var(--billing-ink);
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0.85rem 0 0.4rem;
}

.billing-manage-copy {
  color: var(--billing-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.billing-auth-required {
  display: none;
  padding: 2rem;
  text-align: center;
}

.billing-auth-required.is-visible {
  display: block;
}

.billing-auth-required i {
  color: var(--billing-accent-dark);
  font-size: 2.1rem;
}

body.auth-guard-pending #spa-root,
body.auth-guard-pending footer {
  visibility: hidden;
}

@media (min-width: 768px) {
  .billing-plan-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 991.98px) {
  .billing-title {
    max-width: none;
  }
}