:root {
  --billing-gap: 1.5rem;
}

.billing-page {
  --bg: #0f2b22;
  --fg: #e8f3ef;
  --card: #112f26;
  --border: rgba(255, 255, 255, 0.14);
  --accent: #3fe6a1;
  --accent-2: #17c37f;
  --muted: #a7c7bc;
  background: radial-gradient(circle at top right, rgba(63, 230, 161, 0.08), transparent 60%), #0f2b22;
  color: var(--fg);
  min-height: 100vh;
}

.billing-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  display: grid;
  gap: var(--billing-gap);
}

.billing-shell .card {
  background: var(--card);
  border-color: var(--border);
}

.billing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr);
  gap: var(--billing-gap);
  align-items: center;
  padding: 1.75rem;
}

.billing-hero__copy h1 {
  font-size: 2.2rem;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.billing-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.65rem;
}

.billing-lead {
  color: var(--muted);
  margin-bottom: 1rem;
}

.billing-points {
  list-style: none;
  display: grid;
  gap: 0.5rem;
  padding: 0;
}

.billing-points li {
  position: relative;
  padding-left: 1.2rem;
  color: #cfe7de;
  font-size: 0.95rem;
}

.billing-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--accent-2);
}

.hero-card {
  background: rgba(15, 55, 44, 0.65);
  border: 1px solid rgba(63, 230, 161, 0.2);
  border-radius: 16px;
  padding: 1.5rem;
  display: grid;
  gap: 0.75rem;
}

.hero-card__title {
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
}

.hero-card__stat {
  font-weight: 700;
  color: var(--accent);
}

.hero-card__text {
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-card__note {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: #bfe6d8;
}

.billing-plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--billing-gap);
}

.plan-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  display: grid;
  gap: 0.85rem;
}

.plan-highlight {
  border-color: rgba(63, 230, 161, 0.6);
  box-shadow: 0 0 0 1px rgba(63, 230, 161, 0.2);
}

.plan-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.plan-tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #0f2b22;
  background: var(--accent-2);
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
}

.plan-price {
  font-size: 1.8rem;
  font-weight: 700;
}

.plan-price span {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 500;
}

.plan-desc {
  color: var(--muted);
}

.plan-features {
  list-style: none;
  display: grid;
  gap: 0.45rem;
  padding: 0;
  color: #cfe7de;
  font-size: 0.9rem;
}

.plan-features li::before {
  content: '-';
  margin-right: 0.5rem;
  color: var(--accent);
}

.plan-btn {
  margin-top: 0.5rem;
}

.plan-btn.is-disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.billing-details {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
}

.details-title {
  font-size: 1.2rem;
  font-weight: 700;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.details-grid h3 {
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
}

.details-grid p {
  color: var(--muted);
  font-size: 0.9rem;
}

.billing-status {
  font-size: 0.85rem;
  color: var(--muted);
}

.billing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.billing-coffee {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem;
}

.billing-coffee p {
  color: var(--muted);
  margin-top: 0.3rem;
}

@media (max-width: 900px) {
  .billing-hero {
    grid-template-columns: 1fr;
  }

  .billing-coffee {
    flex-direction: column;
    align-items: flex-start;
  }
}