.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:500;border-radius:var(--radius-sm);transition:all .2s ease;white-space:nowrap;letter-spacing:-.01em}.btn-sm{padding:8px 16px;font-size:var(--font-small)}.btn-md{padding:12px 24px;font-size:var(--font-body)}.btn-lg{padding:16px 32px;font-size:1.0625rem}.btn-primary{background-color:var(--accent-warm);color:#fff}.btn-primary:hover{background-color:#b8905f}.btn-secondary{background-color:var(--primary);color:#fff}.btn-secondary:hover{background-color:var(--primary-light)}.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text)}.btn-outline:hover{border-color:var(--text-secondary);background-color:var(--surface)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{color:var(--text);background-color:var(--surface-elevated)}