:root {
  --pay-brand: #b91c1c;
  --pay-brand-dark: #991b1b;
  --pay-brand-light: #fef2f2;
  --pay-success: #059669;
  --pay-warning: #d97706;
  --pay-danger: #dc2626;
  --pay-slate-50: #f8fafc;
  --pay-slate-200: #e2e8f0;
  --pay-slate-500: #64748b;
  --pay-slate-700: #334155;
  --pay-slate-800: #1e293b;
}

body.pay-ui {
  font-family: 'Cairo', sans-serif;
  background: linear-gradient(135deg, #fef2f2 0%, #f8fafc 45%, #fff7ed 100%);
  min-height: 100vh;
}

.pay-container { max-width: 1100px; margin: 0 auto; padding: 1.5rem 1rem 3rem; }

.pay-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.pay-header h1 { font-size: 1.75rem; font-weight: 900; color: var(--pay-slate-800); margin: 0; }
.pay-header p { color: var(--pay-slate-500); font-size: 0.875rem; margin: 0.25rem 0 0; }
.pay-back { color: var(--pay-brand); font-weight: 700; font-size: 0.875rem; text-decoration: none; white-space: nowrap; }
.pay-back:hover { text-decoration: underline; }

.pay-alert {
  padding: 0.875rem 1rem; border-radius: 14px; font-size: 0.875rem; font-weight: 700;
  margin-bottom: 1rem; display: none;
}
.pay-alert.show { display: block; }
.pay-alert.ok { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.pay-alert.err { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.pay-alert.info { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

.pay-info-box {
  background: #fff; border: 1px solid var(--pay-slate-200); border-radius: 16px;
  padding: 1rem 1.25rem; margin-bottom: 1.25rem; display: flex; gap: 0.75rem; align-items: flex-start;
}
.pay-info-box i { color: var(--pay-brand); margin-top: 2px; }
.pay-info-box p { margin: 0; font-size: 0.875rem; color: var(--pay-slate-700); line-height: 1.6; }

.pay-overview { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.pay-status-card {
  background: #fff; border-radius: 16px; padding: 1rem 1.25rem;
  border: 1px solid var(--pay-slate-200); box-shadow: 0 2px 12px rgba(185,28,28,.06);
}
.pay-status-card .provider-name { font-weight: 800; font-size: 1rem; margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.5rem; }
.pay-badge {
  display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.2rem 0.65rem;
  border-radius: 999px; font-size: 0.75rem; font-weight: 700;
}
.pay-badge.connected { background: #ecfdf5; color: #047857; }
.pay-badge.disconnected { background: #f1f5f9; color: #64748b; }
.pay-badge.test { background: #fffbeb; color: #b45309; margin-right: 0.35rem; }

.pay-tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.pay-tab {
  border: 1px solid var(--pay-slate-200); background: #fff; color: var(--pay-slate-700);
  padding: 0.55rem 1rem; border-radius: 12px; font-weight: 700; font-size: 0.875rem; cursor: pointer;
  transition: all .15s;
}
.pay-tab:hover { border-color: #fca5a5; }
.pay-tab.active { background: var(--pay-brand); color: #fff; border-color: var(--pay-brand); }

.pay-card {
  background: #fff; border-radius: 20px; border: 1px solid var(--pay-slate-200);
  box-shadow: 0 4px 24px rgba(185,28,28,.06); padding: 1.5rem; margin-bottom: 1rem;
}
.pay-card-title { font-size: 1.125rem; font-weight: 800; color: var(--pay-slate-800); margin: 0 0 0.25rem; }
.pay-card-desc { font-size: 0.8125rem; color: var(--pay-slate-500); margin: 0 0 1.25rem; }

.pay-field { margin-bottom: 1rem; }
.pay-field label { display: block; font-size: 0.8125rem; font-weight: 700; color: var(--pay-slate-700); margin-bottom: 0.35rem; }
.pay-field input, .pay-field textarea, .pay-field select {
  width: 100%; border: 1.5px solid var(--pay-slate-200); border-radius: 12px;
  padding: 0.65rem 0.875rem; font-family: inherit; font-size: 0.875rem; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.pay-field input:focus, .pay-field textarea:focus, .pay-field select:focus {
  border-color: var(--pay-brand); box-shadow: 0 0 0 3px rgba(185,28,28,.12);
}
.pay-field-hint { font-size: 0.75rem; color: var(--pay-slate-500); margin-top: 0.35rem; }

.pay-input-wrap { position: relative; }
.pay-input-wrap input { padding-left: 2.75rem; }
.pay-toggle-secret {
  position: absolute; left: 0.65rem; top: 50%; transform: translateY(-50%);
  background: none; border: 0; color: var(--pay-slate-500); cursor: pointer; padding: 0.25rem;
}

.pay-switch-row { display: flex; align-items: center; justify-content: space-between; padding: 0.65rem 0; border-bottom: 1px dashed var(--pay-slate-200); }
.pay-switch-row:last-child { border-bottom: 0; }
.pay-switch-label { font-weight: 700; font-size: 0.875rem; color: var(--pay-slate-700); }
.pay-switch-label small { display: block; font-weight: 500; color: var(--pay-slate-500); font-size: 0.75rem; margin-top: 2px; }

.pay-switch { position: relative; width: 44px; height: 24px; flex-shrink: 0; }
.pay-switch input { opacity: 0; width: 0; height: 0; }
.pay-switch span {
  position: absolute; inset: 0; background: #cbd5e1; border-radius: 999px; cursor: pointer; transition: .2s;
}
.pay-switch span:before {
  content: ''; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px;
  background: #fff; border-radius: 50%; transition: .2s;
}
.pay-switch input:checked + span { background: var(--pay-brand); }
.pay-switch input:checked + span:before { transform: translateX(20px); }

.pay-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.25rem; }
.pay-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.65rem 1.25rem; border-radius: 12px; font-weight: 700; font-size: 0.875rem;
  border: 0; cursor: pointer; font-family: inherit; transition: all .15s;
}
.pay-btn:disabled { opacity: .55; cursor: not-allowed; }
.pay-btn-primary { background: var(--pay-brand); color: #fff; }
.pay-btn-primary:hover:not(:disabled) { background: var(--pay-brand-dark); }
.pay-btn-secondary { background: #f1f5f9; color: var(--pay-slate-700); }
.pay-btn-secondary:hover:not(:disabled) { background: #e2e8f0; }

.pay-webhook-box {
  background: var(--pay-slate-50); border: 1px dashed var(--pay-slate-200); border-radius: 12px;
  padding: 0.75rem 1rem; margin-top: 1rem;
}
.pay-webhook-box label { font-size: 0.75rem; font-weight: 700; color: var(--pay-slate-500); display: block; margin-bottom: 0.35rem; }
.pay-webhook-row { display: flex; gap: 0.5rem; align-items: center; }
.pay-webhook-row code {
  flex: 1; font-size: 0.75rem; background: #fff; border: 1px solid var(--pay-slate-200);
  border-radius: 8px; padding: 0.45rem 0.65rem; direction: ltr; text-align: left; word-break: break-all;
}

.pay-table-wrap { overflow-x: auto; }
.pay-table { width: 100%; border-collapse: collapse; font-size: 0.8125rem; }
.pay-table th { text-align: right; padding: 0.65rem; color: var(--pay-slate-500); font-weight: 700; border-bottom: 1px solid var(--pay-slate-200); }
.pay-table td { padding: 0.65rem; border-bottom: 1px solid #f1f5f9; color: var(--pay-slate-700); }
.pay-table tr:hover td { background: #f8fafc; }

/* Credit top-up */
.pay-balance-hero {
  background: linear-gradient(135deg, #b91c1c 0%, #7f1d1d 55%, #991b1b 100%);
  color: #fff; border-radius: 24px; padding: 2rem; margin-bottom: 1.5rem;
  box-shadow: 0 8px 32px rgba(127,29,29,.28);
}
.pay-balance-hero .label { font-size: 0.875rem; opacity: .9; margin-bottom: 0.25rem; }
.pay-balance-hero .amount { font-size: 2.75rem; font-weight: 900; line-height: 1.1; }
.pay-balance-hero .sub { font-size: 0.8125rem; opacity: .85; margin-top: 0.5rem; }

.pay-bundle-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.25rem; }
.pay-bundle-card {
  border: 2px solid var(--pay-slate-200); border-radius: 16px; padding: 1.25rem; cursor: pointer;
  transition: all .15s; background: #fff; text-align: center;
}
.pay-bundle-card:hover { border-color: #fca5a5; }
.pay-bundle-card.selected { border-color: var(--pay-brand); background: var(--pay-brand-light); box-shadow: 0 0 0 3px rgba(185,28,28,.12); }
.pay-bundle-card .credits { font-size: 1.75rem; font-weight: 900; color: var(--pay-brand); }
.pay-bundle-card .name { font-weight: 700; margin: 0.35rem 0; color: var(--pay-slate-800); }
.pay-bundle-card .price { font-size: 0.875rem; color: var(--pay-slate-500); }

.pay-provider-pills { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.pay-provider-pill {
  border: 2px solid var(--pay-slate-200); border-radius: 12px; padding: 0.55rem 1rem;
  font-weight: 700; font-size: 0.8125rem; cursor: pointer; background: #fff; transition: all .15s;
}
.pay-provider-pill.active { border-color: var(--pay-brand); background: var(--pay-brand-light); color: var(--pay-brand); }
.pay-provider-pill.disabled { opacity: .45; cursor: not-allowed; }

.pay-link-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  background: linear-gradient(90deg, #fef2f2, #fff7ed); border: 1px solid #fecaca;
  border-radius: 16px; padding: 1rem 1.25rem; margin-bottom: 1.25rem;
}
.pay-link-banner a { color: var(--pay-brand); font-weight: 800; text-decoration: none; white-space: nowrap; }
.pay-link-banner a:hover { text-decoration: underline; }

.pay-panel { display: none; }
.pay-panel.active { display: block; }

.pay-saved-hint { font-size: 0.75rem; color: var(--pay-success); font-weight: 700; margin-top: 0.25rem; }

@media (max-width: 640px) {
  .pay-balance-hero .amount { font-size: 2rem; }
  .pay-link-banner { flex-direction: column; align-items: flex-start; }
}