/* Shared VNPAY demo UI styles */
:root {
  --brand: #0052cc;
  --brand-dark: #003d99;
  --surface: #ffffff;
  --border: #e9ecef;
  --muted: #6c757d;
  --bg: #f6f8fb;
}

body.vnpay-demo {
  background: linear-gradient(180deg, #f2f6ff 0%, var(--bg) 100%);
  font-family: "Segoe UI", Arial, sans-serif;
  color: #212529;
}

.vnpay-demo .card,
.vnpay-demo .card-elevated {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
}

.vnpay-demo .card-header {
  background-color: transparent;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  color: #111827;
}

.vnpay-demo .btn-primary {
  background: var(--brand);
  border-color: var(--brand);
}

.vnpay-demo .btn-primary:hover {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
}

.vnpay-demo input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

.vnpay-demo input[type="number"]::-webkit-inner-spin-button,
.vnpay-demo input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.vnpay-demo .badge-soft {
  background: #e8f0ff;
  color: var(--brand);
  border-radius: 999px;
  font-weight: 600;
}

.vnpay-demo .section-divider {
  border-top: 1px dashed #dbe4f3;
}

.vnpay-demo .footer-note {
  color: var(--muted);
  font-size: 0.85rem;
}

.vnpay-demo .demo-nav {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
}

.vnpay-demo .demo-nav .nav-link {
  color: #374151;
  font-weight: 500;
  font-size: 0.92rem;
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
}

.vnpay-demo .demo-nav .nav-link:hover {
  color: var(--brand);
  background: #eef4ff;
}

.vnpay-demo .demo-nav .nav-link.active {
  color: var(--brand);
  background: #e8f0ff;
  font-weight: 600;
}

/* Secret key field with show/hide toggle */
.vnpay-demo .secret-key-group .form-control {
  border-radius: 10px 0 0 10px;
  font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", monospace;
}

.vnpay-demo .secret-key-group .secret-toggle {
  border-radius: 0 10px 10px 0;
  padding: 0 0.85rem;
  color: var(--muted);
  border-color: #dee2e6;
}

.vnpay-demo .secret-key-group .secret-toggle:hover {
  color: var(--brand);
  background: #f8fafc;
}