/* ── upgrade.css — layout for /upgrade.html ─────────────────────────────────
   Tokens owned by share-tokens.css. No :root block here.
   Page-specific token extensions only.
   ──────────────────────────────────────────────────────────────────────────── */

/* ── Page-specific token extensions ─────────────────────────── */
:root {
  --card-bg-raised:  rgba(26,26,26,0.06);
  --stripe-bg:       #FFFFFF;
  --success:         #1E8A4A;
  --danger:          #C0392B;
}
[data-theme="carbon"] {
  --card-bg-raised:  rgba(245,240,232,0.06);
  --stripe-bg:       #2E2E2E;
  --success:         #4CAF82;
  --danger:          #E05555;
}

/* ── Page layout ─────────────────────────────────────────────── */
.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}
.upgrade-back-link {
  display: inline-flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-primary);
  text-decoration: none;
  margin-bottom: 20px;
  padding: 6px 12px;
  border: 0.5px solid var(--border-mid);
  border-radius: 8px;
  transition: border-color 0.15s, background 0.15s;
}
.upgrade-back-link:hover {
  border-color: var(--accent);
  background: var(--card-bg);
}
.page-header { margin-bottom: 48px; }
.page-header h1 {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--fg);
  margin-bottom: 8px;
}
.page-header p {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ── Billing toggle ──────────────────────────────────────────── */
.billing-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}
.toggle-label {
  font-size: 13px;
  color: var(--fg-muted);
  transition: color 0.2s;
}
.toggle-label.active { color: var(--fg); font-weight: 500; }
.toggle-switch {
  width: 38px;
  height: 21px;
  background: var(--card-border);
  border-radius: 99px;
  position: relative;
  cursor: pointer;
  border: 1px solid var(--input-border);
  transition: background 0.2s, border-color 0.2s;
  flex-shrink: 0;
}
.toggle-switch.on { background: var(--gold); border-color: var(--gold); }
.toggle-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 15px;
  height: 15px;
  background: var(--fg-subtle);
  border-radius: 50%;
  transition: left 0.15s, background 0.15s;
}
.toggle-switch.on .toggle-knob { left: 19px; background: var(--carbon); }

/* ── Tier cards ──────────────────────────────────────────────── */
.tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 40px;
}
.tier-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 24px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  position: relative;
}
.tier-card:hover:not(.free-card) { border-color: var(--fg-muted); }
.tier-card.selected { border-color: var(--gold); background: var(--card-bg-raised); }
.tier-card.free-card { cursor: default; }
.tier-label {
  font-family: var(--display);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-subtle);
  margin-bottom: 14px;
}
.tier-label.gold { color: var(--gold); }
.tier-name {
  font-family: var(--display);
  font-size: 17px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 12px;
}
.tier-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 4px;
}
.tier-price-main {
  font-family: var(--display);
  font-size: 26px;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: -0.02em;
}
.tier-price-period { font-size: 13px; color: var(--fg-muted); font-weight: 400; }
.tier-yearly {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-subtle);
  margin-bottom: 20px;
}
.tier-yearly strong { color: var(--gold-dim); font-weight: 500; }
.tier-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.tier-features li {
  font-size: 13px;
  color: var(--fg-muted);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.4;
}
.tier-features li::before {
  content: '✓';
  color: var(--gold);
  font-weight: 600;
  flex-shrink: 0;
  font-size: 12px;
  margin-top: 1px;
}
.tier-features li.dim::before { color: var(--fg-subtle); }
.tier-features li.dim { color: var(--fg-subtle); }
.current-plan-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--fg-subtle);
  border: 1px solid var(--card-border);
  padding: 2px 8px;
  border-radius: 3px;
}

/* ── Manage section ──────────────────────────────────────────── */
.manage-section {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 24px 28px;
  margin-bottom: 32px;
  display: none;
}
.manage-section.visible { display: block; }
.manage-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.manage-meta-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-subtle);
  margin-bottom: 4px;
}
.manage-meta-value { font-size: 15px; font-weight: 500; color: var(--fg); }
.manage-divider { border: none; border-top: 1px solid var(--inset-rule); margin: 18px 0; }
.manage-note { font-size: 12px; color: var(--fg-subtle); }

/* ── Lookup section ──────────────────────────────────────────── */
.lookup-section { margin-bottom: 32px; }
.lookup-label { font-size: 13px; color: var(--fg-muted); margin-bottom: 10px; }
.lookup-row { display: flex; gap: 8px; align-items: stretch; }
.lookup-row input { flex: 1; }

/* ── Payment section ─────────────────────────────────────────── */
.payment-section {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 28px 32px;
  display: none;
}
.payment-section.visible { display: block; }
.payment-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 24px;
}
.payment-title { font-family: var(--display); font-size: 16px; font-weight: 600; color: var(--fg); }
.payment-summary { font-family: var(--mono); font-size: 12px; color: var(--fg-muted); }

/* Payment tabs */
.payment-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--inset-rule);
}
.pay-tab {
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  cursor: pointer;
  border-bottom: 1.5px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s;
  font-family: var(--sans);
}
.pay-tab.active { color: var(--fg); border-bottom-color: var(--fg); }
.pay-tab:hover:not(.active) { color: var(--fg); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }
.lightning-placeholder { text-align: center; padding: 40px 20px; color: var(--fg-subtle); }
.lightning-placeholder .lp-icon { font-size: 28px; margin-bottom: 12px; opacity: 0.5; }
.lightning-placeholder p { font-size: 13px; line-height: 1.6; }

/* ── Fields ──────────────────────────────────────────────────── */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label {
  font-size: 11px;
  font-weight: 500;
  color: var(--fg-subtle);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.field input { font-family: var(--sans); font-size: 14px; }
input::placeholder { color: var(--fg-subtle); }

#stripe-element-container {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 16px;
  min-height: 60px;
  transition: background 0.35s ease;
}

/* ── Buttons (upgrade page overrides — gold primary) ─────────── */
.btn-primary {
  background: var(--gold);
  color: var(--carbon);
  font-weight: 600;
  border: none;
}
.btn-subscribe {
  width: 100%;
  background: var(--gold);
  color: var(--carbon);
  font-family: var(--display);
  font-weight: 600;
  font-size: 14px;
  padding: 13px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: opacity 0.15s;
  letter-spacing: 0.02em;
}
.btn-subscribe:hover:not(:disabled) { opacity: 0.88; }
.btn-subscribe:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Status messages ─────────────────────────────────────────── */
.status-msg {
  font-size: 13px;
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 14px;
  display: none;
  font-family: var(--mono);
}
.status-msg.error {
  background: rgba(192,57,43,0.08);
  color: var(--danger);
  border: 1px solid rgba(192,57,43,0.2);
  display: block;
}
.status-msg.success {
  background: rgba(30,138,74,0.08);
  color: var(--success);
  border: 1px solid rgba(30,138,74,0.2);
  display: block;
}
.payment-note { font-family: var(--serif); font-weight: 300; text-align: center; font-size: 12px; color: var(--fg-subtle); margin-top: 14px; line-height: 1.6; }
.payment-note a { color: var(--gold-dim); text-decoration: none; }
.payment-note a:hover { color: var(--gold); }

/* ── Success panel ───────────────────────────────────────────── */
.success-panel { text-align: center; padding: 80px 24px; display: none; }
.success-panel.visible { display: block; }
.success-icon { font-size: 36px; margin-bottom: 20px; opacity: 0.7; }
.success-panel h2 {
  font-family: var(--display);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 8px;
}
.success-panel p { font-size: 14px; color: var(--fg-muted); margin-bottom: 28px; }

/* ── Coming soon tier cards ──────────────────────────────────── */
.tier-card.coming-soon {
  opacity: 0.35;
  pointer-events: none;
  cursor: default;
  user-select: none;
}
.coming-soon-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg);
  background: var(--card-bg);
  border: 1px solid var(--fg-muted);
  padding: 2px 8px;
  border-radius: 3px;
  opacity: calc(1 / 0.35);
}

/* ── Soft-launch notice ──────────────────────────────────────── */
.soft-launch-notice {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-subtle);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  padding: 6px 12px;
  margin-top: 14px;
}
.soft-launch-notice::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  flex-shrink: 0;
}

.hidden { display: none !important; }

@media (max-width: 680px) {
  .page { padding: 40px 16px 60px; }
  .tiers { grid-template-columns: 1fr; }
  .payment-section { padding: 20px 16px; }
  .manage-section { padding: 18px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  *, html, body { transition: none !important; }
}