.billing-hero { margin-bottom: 28px; }
.billing-hero h1 { margin: 0 0 8px; font-size: 2rem; }
.billing-hero p { color: var(--muted); margin: 0; }
.billing-current { color: var(--ink) !important; margin-top: 10px !important; }

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

.plan-card {
  position: relative;
  background: #fff;
  border: 1px solid #e4ebf4;
  border-radius: 22px;
  padding: 28px 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(27, 42, 74, 0.04);
}

.plan-card.is-popular {
  border: 2px solid #4f5eff;
  box-shadow: 0 18px 40px rgba(79, 94, 255, 0.16);
}

.plan-card.is-current:not(.is-popular) {
  outline: 2px solid rgba(79, 94, 255, 0.35);
}

.plan-ribbon {
  position: absolute;
  top: 18px;
  right: -42px;
  width: 160px;
  text-align: center;
  transform: rotate(45deg);
  background: linear-gradient(135deg, #2f9dff, #4f5eff);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 7px 0;
}

.plan-card h2 {
  margin: 0;
  font-size: 1.35rem;
  color: #1b2a4a;
}

.plan-card.is-popular h2 { color: #3554e8; }

.plan-price {
  font-size: 2rem;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.03em;
  color: #12203a;
}

.plan-price span {
  font-size: 0.95rem;
  color: #6b7a93;
  font-weight: 600;
}

.plan-card ul {
  margin: 2px 0 8px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  flex: 1;
}

.plan-card li {
  position: relative;
  padding-left: 22px;
  color: #5b6b86;
  font-size: 0.95rem;
  line-height: 1.4;
}

.plan-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 8px;
  height: 4px;
  border-left: 2px solid #3cc07a;
  border-bottom: 2px solid #3cc07a;
  transform: rotate(-45deg);
}

.plan-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 46px;
  border-radius: 12px;
  padding: 11px 16px;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  margin-top: auto;
}

.plan-btn-primary {
  border: 0;
  color: #fff;
  background: linear-gradient(135deg, #2f7bff, #3558f0);
  box-shadow: 0 8px 18px rgba(53, 88, 240, 0.22);
}

.plan-btn-primary:hover { filter: brightness(1.05); }
.plan-btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.plan-btn-muted {
  border: 1px solid #d7e2ef;
  background: #f6f8fb;
  color: #8b97ab;
}

a.plan-btn-muted { color: #5b6b86; background: #fff; }
a.plan-btn-muted:hover { border-color: #c3d0e0; }

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

.invoice-sheet {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px;
}
.invoice-meta { display: grid; gap: 10px; }
.invoice-meta div { display: grid; gap: 2px; }
.invoice-meta dt { color: var(--muted); font-size: 0.85rem; }
.invoice-meta dd { margin: 0; font-weight: 700; }
.billing-split { display: grid; gap: 24px; grid-template-columns: 1fr 1fr; }
.billing-split ul { color: var(--muted); }
.billing-split .admin-table { width: 100%; border-collapse: collapse; }
.billing-split .admin-table th,
.billing-split .admin-table td {
  text-align: left;
  padding: 8px 6px;
  border-bottom: 1px solid var(--line);
}
.mono { font-family: ui-monospace, Consolas, monospace; font-size: 0.82rem; }

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