:root {
  color-scheme: light;
}
body.bg-gradient {
  background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.18), transparent 25%),
    linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
  min-height: 100vh;
}
.card {
  border-radius: 1.6rem;
}
.btn-menu {
  display: block;
  width: 100%;
  border-radius: 1.2rem;
  padding: 1rem 1.25rem;
  font-weight: 600;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.btn-menu:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 35px rgba(15, 23, 42, 0.08);
}
.dropdown-menu {
  border-radius: 1rem;
}