.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.btn-primary {
  background: var(--color-gold);
  color: var(--color-brown-dark);
}

.btn-primary:hover {
  background: var(--color-gold-hover);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-brown);
  color: var(--color-brown);
}

.btn-outline:hover {
  background: var(--color-wheat);
}

.btn-ghost {
  background: transparent;
  color: var(--color-muted);
  border: none;
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
}

.btn-danger:hover {
  background: #9a2f2f;
  border-color: #9a2f2f;
}

.card {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--color-border);
}

.form-error {
  color: var(--color-danger);
  font-size: 0.9rem;
}

.empty-msg {
  color: var(--color-muted);
  text-align: center;
  padding: 2rem;
}