/* assets/help.css — Icon (?) hướng dẫn + popover. Tông màu theo hệ thống. */
.uh-i{
  display:inline-flex;align-items:center;justify-content:center;
  width:16px;height:16px;margin-left:6px;border-radius:50%;
  background:var(--blue-l,#e0ecf7);color:var(--blue,#1d5a96);
  font-size:11px;font-weight:800;line-height:1;cursor:help;
  border:1px solid rgba(29,90,150,.28);vertical-align:middle;
  user-select:none;flex:none;transition:.15s;font-family:inherit
}
.uh-i:hover,.uh-i:focus{background:var(--blue,#1d5a96);color:#fff;outline:none;box-shadow:0 0 0 3px rgba(29,90,150,.18)}
.uh-pop{
  position:absolute;z-index:9999;max-width:300px;
  background:#0b2440;color:#eaf2fb;font-size:12.5px;line-height:1.55;
  padding:9px 12px;border-radius:9px;
  box-shadow:0 12px 32px -8px rgba(0,0,0,.55);
  pointer-events:none;white-space:normal
}
html.dark .uh-pop{background:#1e293b;color:#e2e8f0}
/* Dòng hint luôn hiện dưới trường (chuẩn form cơ quan nhà nước) */
.ui-hint{display:block;margin:3px 0 6px;font-size:12px;line-height:1.5;color:var(--muted,#64748b)}
@media (max-width:640px){ .uh-pop{max-width:84vw} }