.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  line-height: 1.2;
  cursor: pointer;
  transition:
    background-color 180ms cubic-bezier(0.2, 0.8, 0.2, 1),
    border-color 180ms cubic-bezier(0.2, 0.8, 0.2, 1),
    color 180ms cubic-bezier(0.2, 0.8, 0.2, 1),
    box-shadow 180ms cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 180ms cubic-bezier(0.2, 0.8, 0.2, 1),
    filter 180ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.btn:focus-visible {
  outline: 3px solid rgba(0, 0, 120, 0.2);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn:active:not(:disabled) {
  transform: translateY(0);
}

.btn-primary {
  background: var(--ds-brand);
  border-color: var(--ds-brand);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  filter: brightness(0.97);
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(0, 0, 120, 0.12);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.96);
  border-color: var(--ds-line-strong);
  color: var(--ds-brand);
}

.btn-secondary:hover:not(:disabled) {
  background: #f8fafc;
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(18, 34, 56, 0.08);
}