.vault-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid rgba(23, 32, 42, 0.16);
  border-radius: 8px;
  padding: 0 12px;
  background: #17202a;
  color: #ffffff;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 850;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.vault-button:hover {
  transform: translateY(-1px);
  background: #243244;
}

.vault-button.is-saved {
  border-color: rgba(22, 163, 74, 0.36);
  background: #16a34a;
}

.vault-button:focus-visible {
  outline: 3px solid rgba(59, 130, 246, 0.34);
  outline-offset: 2px;
}

.vault-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.vault-toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 9999;
  max-width: min(360px, calc(100vw - 32px));
  border: 1px solid rgba(23, 32, 42, 0.12);
  border-radius: 8px;
  padding: 12px 14px;
  background: #ffffff;
  color: #17202a;
  box-shadow: 0 16px 40px rgba(31, 41, 55, 0.18);
  font-size: 0.95rem;
  font-weight: 800;
}