.pg-settings-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 32px;
  min-width: 0;
}

.pg-settings-main { min-width: 0; }
.pg-settings-help { display: none; }

.pg-control-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  min-height: 76px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
  box-sizing: border-box;
}

.pg-control-copy {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  align-items: center;
  gap: 20px;
  min-width: 0;
}

.pg-control-copy label,
.pg-control-copy strong {
  color: var(--color-text-primary);
  font-size: 15px;
  font-weight: 600;
}

.pg-control-copy label { cursor: pointer; }

.pg-control-copy p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 13px;
  line-height: 1.55;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.pg-control-row .card-application-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 18px;
  white-space: nowrap;
  text-decoration: none;
}

.pg-key-settings { margin-top: 28px; }
.pg-key-settings h3 { margin: 0 0 22px; font-size: 16px; }

.pg-settings-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.pg-settings-field {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 7px;
  color: var(--color-text-secondary);
  font-size: 13px;
  font-weight: 600;
}

.pg-settings-field.wide { grid-column: 1 / -1; }

.pg-settings-field[hidden],
.pg-settings-copy-row[hidden],
.pg-settings-actions [hidden],
.pg-key-settings[hidden] { display: none; }

.pg-settings-field select,
.pg-settings-field input:not([type="checkbox"]) {
  width: 100%;
  min-width: 0;
  min-height: 42px;
  padding: 9px 11px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg-input);
  color: var(--color-text-primary);
  box-sizing: border-box;
  font: inherit;
  font-size: 14px;
}

.pg-settings-field select,
.pg-settings-field input[name="merchantId"] { max-width: 320px; }

.pg-settings-field input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.1);
}

.pg-settings-field small {
  color: var(--color-text-light);
  font-weight: 400;
  line-height: 1.45;
}

.pg-settings-input-suffix,
.pg-settings-copy-row,
.pg-settings-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pg-settings-input-suffix input { max-width: 104px; }
.pg-settings-copy-row input { flex: 1 1 auto; }
.pg-settings-copy-row .btn { flex: 0 0 auto; }
.pg-settings-actions { margin-top: 22px; flex-wrap: wrap; }
.pg-settings-save-status { font-size: 13px; }
.pg-settings-save-status.success { color: var(--color-success); }
.pg-settings-save-status.error { color: var(--color-danger); }

.pg-business-settings { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--color-border); }
.pg-business-settings h3 { margin: 0 0 18px; font-size: 16px; }
.pg-business-fields { margin: 0; padding: 0; border: 0; min-width: 0; }
.pg-business-fields input:disabled { opacity: .6; }
.pg-business-settings [hidden] { display: none; }

@media (max-width: 900px) {
  .pg-settings-layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
}

@media (max-width: 700px) {
  .pg-control-row { gap: 16px; }
  .pg-control-copy { grid-template-columns: minmax(0, 1fr); gap: 5px; }
  .pg-control-row .card-application-link { padding: 10px 12px; }
  .pg-settings-form-grid { grid-template-columns: 1fr; }
  .pg-settings-field.wide { grid-column: auto; }
  .pg-settings-copy-row { align-items: stretch; flex-direction: column; }
  .pg-settings-copy-row .btn { justify-content: center; }
  .pg-business-fields .pg-settings-field input { font-size: 16px; }
}

.pg-settings-key-row { display: flex; align-items: center; gap: 8px; min-width: 0; }
.pg-settings-key-row input { flex: 1 1 auto; }
.pg-settings-key-row .btn { flex: 0 0 auto; white-space: nowrap; }

.pg-control-row .pg-settings-switch {
  appearance: none;
  position: relative;
  margin: 0;
  width: 42px;
  height: 24px;
  border: 1px solid #9ca3af;
  border-radius: 999px;
  background: #9ca3af;
  cursor: pointer;
}
.pg-settings-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  transition: transform .15s;
}
.pg-control-row .pg-settings-switch:checked { background: #ef3038; border-color: #ef3038; }
.pg-settings-switch:checked::after { transform: translateX(18px); }
.pg-settings-switch:focus-visible { outline: 2px solid #ef3038; outline-offset: 3px; }
.pg-settings-switch:disabled { opacity: .5; cursor: default; }