.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 52px;
  padding: 0 18px;
  border-radius: var(--radius);
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), opacity 0.2s;
}

.btn:active:not(:disabled) {
  transform: scale(0.985);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn--primary {
  background: var(--ink);
  color: var(--bg-elevated);
}

.btn--primary:hover:not(:disabled) {
  background: #24382e;
}

.btn--ghost {
  background: transparent;
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
}

.btn--ghost:hover:not(:disabled) {
  background: rgba(26, 46, 36, 0.04);
}