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ease}.btn--primary{background:linear-gradient(180deg,var(--primary-color),var(--primary-color));border-color:var(--primary-color);color:var(--bg-color)}.btn--primary:hover{transform:translateY(-2px);filter:brightness(1.06)}.btn--secondary{background:transparent;border-color:#ffffff14;color:var(--text-color)}.btn--secondary:hover,.btn--secondary:focus-visible{background:var(--button-secondary-hover-bg);border-color:var(--accent-color);color:var(--button-secondary-hover-text)}.btn--ghost{background:none;border:none;color:var(--text-color-muted)}button:active:not(:disabled),.nav-pill:active,.preferences-trigger:active,.action-button:active,.help-button:active{transform:scale(.98)}.action-button{padding:calc(var(--space-2) + var(--space-1)) var(--space-3);border-radius:var(--radius);border:1px solid var(--border-color);background-color:var(--surface-color);color:var(--text-color);font-weight:600;display:inline-flex;justify-content:center;align-items:center;gap:.4rem;transition:transform 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.2s}.help-button:hover,.help-button:focus-visible{background-color:var(--primary-color);border-color:var(--primary-color);color:#fff;transform:scale(1.05);outline:none}.tooltip{position:relative;display:inline-block}.tooltip:after{content:attr(data-tooltip);position:absolute;bottom:calc(100% + .5rem);left:50%;transform:translate(-50%);background-color:var(--surface-color);color:var(--text-color);padding:.4rem .6rem;border-radius:var(--radius-small);border:1px solid var(--border-color);white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s ease-in-out;z-index:10}.tooltip:hover:after,.tooltip:focus:after,.tooltip:focus-within:after{opacity:1}@keyframes slideInDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}