.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:3rem;padding:.75rem 1.5rem;border:1px solid transparent;border-radius:var(--radius-full);font-size:1rem;font-weight:var(--font-semibold);line-height:1.2;text-align:center;cursor:pointer;transition:background-color .2s ease,border-color .2s ease,transform .2s ease}.btn:active{transform:translateY(1px)}.btn--primary{background:var(--color-accent-solid);color:var(--color-on-accent);box-shadow:0 8px 28px var(--glow-accent)}.btn--primary:hover{background:var(--color-accent);color:var(--color-bg)}.btn--secondary{background:transparent;color:var(--color-text);border-color:var(--color-border-strong)}.btn--secondary:hover{background:var(--color-surface-hover);border-color:var(--color-text-muted)}.btn--sm{min-height:2.5rem;padding:.5rem 1.1rem;font-size:.95rem}.btn--block{width:100%}.btn:disabled{opacity:.6;cursor:not-allowed}