.ad-btn{font-family:var(--font-sans);font-weight:var(--fw-bold);cursor:pointer;white-space:nowrap;border-radius:var(--r-pill);transition:transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);-webkit-tap-highlight-color:transparent;border:0;justify-content:center;align-items:center;gap:8px;text-decoration:none;display:inline-flex}.ad-btn:active{transform:scale(.97)}.ad-btn:disabled,.ad-btn[aria-disabled=true]{cursor:not-allowed;opacity:.45;box-shadow:none;transform:none}.ad-btn--full{width:100%}.ad-btn--sm{height:36px;font-size:var(--fs-sm);padding:0 16px}.ad-btn--md{height:46px;font-size:var(--fs-body);padding:0 22px}.ad-btn--lg{height:54px;font-size:var(--fs-title);padding:0 28px}.ad-btn--primary{background:var(--action-primary);color:var(--text-on-brand);box-shadow:var(--shadow-brand)}.ad-btn--primary:hover:not(:disabled){background:var(--action-primary-hover)}.ad-btn--primary:active:not(:disabled){background:var(--action-primary-press)}.ad-btn--ink{background:var(--action-ink);color:var(--text-on-ink);box-shadow:var(--shadow-sm)}.ad-btn--ink:hover:not(:disabled){background:var(--action-ink-hover)}.ad-btn--secondary{background:var(--surface-card);color:var(--text-strong);box-shadow:inset 0 0 0 1.5px var(--border-strong)}.ad-btn--secondary:hover:not(:disabled){box-shadow:inset 0 0 0 1.5px var(--ad-ink-900);background:var(--ad-ink-50)}.ad-btn--ghost{color:var(--action-primary);background:0 0}.ad-btn--ghost:hover:not(:disabled){background:var(--surface-brand-soft)}.ad-btn__icon{justify-content:center;align-items:center;display:inline-flex}