/* Service Ghost · Paper Night — buttons (locked kit recipe) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: none;
  border-radius: var(--radius-btn);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: filter var(--ease), background var(--ease), color var(--ease), border-color var(--ease);
}
.btn-primary { background: var(--accent); color: var(--accent-fg); }
.btn-primary:hover { filter: brightness(1.07); }
.btn-ghost {
  border: 1.5px solid var(--border);
  color: var(--fg);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--border-strong); }
.btn[disabled] { opacity: var(--disabled-opacity); cursor: not-allowed; }