/* Điều khiển dùng chung: giữ cùng một mũi tên và một viền focus trên mọi trang. */
select:not([multiple]):not([size]),
#qr-bank-connection,
#quick-qr-bank,
#customer-sort {
  appearance: none;
  -webkit-appearance: none;
  min-width: 0;
  padding-right: 38px;
  border-color: #cbd5e1;
  color: var(--ui-text);
  background-color: #fff;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23526373' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px 16px;
  font-size: 14px;
  line-height: normal;
}

select:not([multiple]):not([size]):focus,
#qr-bank-connection:focus,
#quick-qr-bank:focus,
#customer-sort:focus,
.settings-form select:focus {
  border-color: var(--ui-blue);
  outline: none;
  box-shadow: none;
}

select:not([multiple]):not([size]):focus-visible,
#qr-bank-connection:focus-visible,
#quick-qr-bank:focus-visible,
#customer-sort:focus-visible,
.settings-form select:focus-visible {
  outline: 2px solid var(--ui-blue);
  outline-offset: 2px;
}

select:not([multiple]):not([size]):disabled {
  background-color: #f2f4f7;
  color: #64748b;
  cursor: not-allowed;
}

#qr-bank-connection, #quick-qr-bank {
  display: block;
  height: 45px;
  margin: 0 0 16px;
}

.icon-button svg {
  display: block;
  width: 18px;
  height: 18px;
  flex: none;
}

.qr-placeholder-icon svg { width: 40px; height: 40px; }
.qr-preview-head { font-size: 14px; }
.preview-tag { font-size: 12px; }
.qr-placeholder strong { font-size: 15px; }
.qr-placeholder span, .bank-info div, .quick-qr-details > div { font-size: 13px; }

@media (max-width: 470px) {
  .qr-form-panel, .qr-preview-panel { min-width: 0; }
  .qr-preview-head, .qr-actions { flex-wrap: wrap; gap: 8px; }
  .qr-actions > * { max-width: 100%; white-space: normal; text-align: center; }
  .bank-info div { align-items: start; }
  .bank-info strong { min-width: 0; text-align: right; overflow-wrap: anywhere; }
}