.btn{border:none;border-radius:var(--radius-pill);padding:.85em 1.7em;min-height:44px;cursor:pointer;font-family:var(--font-mono);font-size:.8rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease}.btn:active:not(:disabled){transform:scale(.97)}.btn--primary{background:var(--color-accent);color:var(--color-on-accent);box-shadow:0 8px 24px -12px var(--color-accent-glow)}.btn--primary:hover:not(:disabled){background:var(--color-accent-hover);box-shadow:0 12px 32px -10px var(--color-accent-glow);transform:translateY(-1px)}.btn--secondary{background:transparent;color:var(--color-text);border:1px solid var(--color-border-strong)}.btn--secondary:hover:not(:disabled){border-color:var(--color-olive);color:var(--color-olive-hover);box-shadow:0 0 0 3px var(--color-olive-dim)}.btn--ghost{background:transparent;color:var(--color-text-muted)}.btn--ghost:hover{color:var(--color-olive-hover)}