/* ============================================================
   OpsCopilot-Lite — Billing Dashboard Styles
   Extends the base design system from style.css
   ============================================================ */

/* ── Layout ───────────────────────────────────────────────── */
.billing-main {
  flex: 1;
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  padding: 36px 24px 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ── Header home link ─────────────────────────────────────── */
.header-home-link {
  color: inherit;
  text-decoration: none;
}
.header-home-link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── Cards ────────────────────────────────────────────────── */
.billing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 30px;
  box-shadow: var(--shadow-sm);
}

/* ── Loading state ────────────────────────────────────────── */
.billing-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 64px 0;
  color: var(--ink-500);
  font-size: 14px;
}

.billing-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--brand-600);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ── Banners ──────────────────────────────────────────────── */
.billing-banner {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
}

.billing-banner--error {
  background: var(--red-50);
  border: 1px solid var(--red-100);
  color: var(--red-700);
}

.billing-banner--success {
  background: var(--green-50);
  border: 1px solid var(--green-100);
  color: var(--green-700);
}

/* ── Plan Card ────────────────────────────────────────────── */
.billing-plan-card {
  border-top: 3px solid var(--brand-600);
}

.billing-plan-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.billing-plan-label {
  font-size: 22px;
  font-weight: 800;
  color: var(--ink-900);
  letter-spacing: -0.5px;
}

.billing-status-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  vertical-align: middle;
  margin-left: 10px;
}

.billing-status--active {
  background: var(--green-50);
  color: var(--green-700);
  border: 1px solid var(--green-100);
}

.billing-status--inactive {
  background: var(--surface-2);
  color: var(--ink-500);
  border: 1px solid var(--border);
}

.billing-status--canceled {
  background: var(--amber-50);
  color: var(--amber-700);
  border: 1px solid var(--amber-100);
}

.billing-status--past_due {
  background: var(--red-50);
  color: var(--red-700);
  border: 1px solid var(--red-100);
}

.billing-plan-message {
  font-size: 14px;
  color: var(--ink-600);
  line-height: 1.6;
}

.billing-renewal {
  font-size: 13px;
  color: var(--ink-500);
  margin-top: 8px;
}

/* ── Action Buttons ───────────────────────────────────────── */
.billing-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.billing-btn {
  padding: 10px 28px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background var(--tx), box-shadow var(--tx), transform var(--tx);
  letter-spacing: -0.1px;
}

.billing-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.billing-btn--primary {
  background: var(--brand-600);
  color: #fff;
  box-shadow: 0 1px 3px rgba(79,70,229,0.3);
}

.billing-btn--primary:hover:not(:disabled) {
  background: var(--brand-700);
  box-shadow: 0 4px 12px rgba(79,70,229,0.35);
  transform: translateY(-1px);
}

.billing-btn--primary:active:not(:disabled) {
  transform: translateY(0);
}

.billing-btn--secondary {
  background: var(--surface);
  color: var(--ink-700);
  border: 1px solid var(--border-2);
  box-shadow: var(--shadow-xs);
}

.billing-btn--secondary:hover:not(:disabled) {
  background: var(--surface-2);
  border-color: var(--ink-400);
}

.billing-action-spinner {
  font-size: 13px;
  color: var(--ink-500);
  font-style: italic;
}

/* ── Plan Comparison ──────────────────────────────────────── */
.billing-comparison h2 {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 18px;
  letter-spacing: -0.2px;
}

.billing-plans-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.billing-plan-col {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
}

.billing-plan-col h3 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--ink-800);
}

.billing-plan-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.billing-plan-col li {
  font-size: 13px;
  color: var(--ink-600);
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}

.billing-plan-col li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.billing-plan-col--free li::before {
  background: var(--ink-300);
}

.billing-plan-col--pro {
  border-color: var(--brand-600);
  background: var(--brand-50);
}

.billing-plan-col--pro h3 {
  color: var(--brand-700);
}

.billing-plan-col--pro li::before {
  background: var(--brand-600);
}

/* Inline price shown next to plan name in comparison column heading */
.billing-plan-price-inline {
  font-size: 15px;
  font-weight: 600;
  color: var(--brand-600);
  margin-left: 8px;
  vertical-align: middle;
}
.billing-plan-price-period {
  font-size: 12px;
  font-weight: 400;
  color: var(--brand-500);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 560px) {
  .billing-main {
    padding: 24px 16px;
  }

  .billing-card {
    padding: 20px 18px;
  }

  .billing-plans-grid {
    grid-template-columns: 1fr;
  }

  .billing-plan-label {
    font-size: 18px;
  }
}

/* ── Utility ──────────────────────────────────────────────── */
.hidden { display: none !important; }