/* ══════════════════════════════════════════════════════════════
   tx-ui.css — Transaction UI styles (Stripe integration)
   Type A: Full-screen overlay for payment redirects
   Type B: Button-level lock for state-change actions
   ══════════════════════════════════════════════════════════════ */

/* ── Type A: Full-screen transaction overlay ── */
.inf-tx-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.72);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
}
.inf-tx-overlay-card {
  background: rgba(15,23,42,0.95);
  border: 1px solid rgba(56,189,248,0.3);
  border-radius: 16px; padding: 32px 40px;
  text-align: center; max-width: 360px;
  box-shadow: 0 0 40px rgba(56,189,248,0.15);
}
.inf-tx-overlay-card .inf-tx-spinner {
  display: inline-block; width: 32px; height: 32px;
  border: 3px solid rgba(56,189,248,0.25);
  border-top-color: rgba(56,189,248,0.9);
  border-radius: 50%; animation: mbs-spin 0.8s linear infinite;
  margin-bottom: 16px;
}
.inf-tx-overlay-card .inf-tx-status {
  font-size: 0.95rem; color: rgba(148,163,184,0.9);
  margin-top: 4px;
}
.inf-tx-overlay-card .inf-tx-title {
  font-size: 1.1rem; font-weight: 700; color: #fff;
  margin-bottom: 4px;
}
@keyframes mbs-spin { to { transform: rotate(360deg) } }

/* ── Success overlay (post-payment) ── */
.inf-tx-overlay-card.is-success {
  border-color: rgba(34,197,94,0.4);
  box-shadow: 0 0 40px rgba(34,197,94,0.15);
}
.inf-tx-overlay-card .inf-tx-check {
  font-size: 2.5rem; margin-bottom: 8px;
}
.inf-tx-overlay-card .inf-tx-summary {
  font-size: 0.85rem; color: rgba(148,163,184,0.8);
  margin: 12px 0; line-height: 1.6;
}
.inf-tx-overlay-card .inf-tx-continue {
  margin-top: 16px;
}

/* ── Type B: Button loading state ── */
.mbs-btn.is-loading {
  pointer-events: none; opacity: 0.7; position: relative;
}
.mbs-btn.is-loading::before {
  content: ''; display: inline-block;
  width: 14px; height: 14px; margin-right: 6px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%; animation: mbs-spin 0.8s linear infinite;
  vertical-align: middle;
}
.mbs-btn-group--locked .mbs-btn:not(.is-loading) {
  pointer-events: none; opacity: 0.4;
}

/* ── Toast notifications ── */
.inf-tx-toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  z-index: 10000; padding: 12px 24px; border-radius: 10px;
  font-size: 0.9rem; font-weight: 600;
  opacity: 0; transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}
.inf-tx-toast.is-visible {
  opacity: 1; transform: translateX(-50%) translateY(0);
}
.inf-tx-toast--success {
  background: rgba(34,197,94,0.95); color: #fff;
  box-shadow: 0 4px 20px rgba(34,197,94,0.3);
}
.inf-tx-toast--error {
  background: rgba(239,68,68,0.95); color: #fff;
  box-shadow: 0 4px 20px rgba(239,68,68,0.3);
}