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var(--border-color);border-radius:10px;background:#fff;cursor:pointer;transition:transform .15s,border-color .15s,background .15s}.calculator-feedback__button .calculator-icon{width:21px;height:21px;fill:#7b868a}.calculator-feedback__button:hover{transform:translateY(-2px)}.calculator-feedback__button--up:hover{border-color:var(--brand);background:var(--brand-tint)}.calculator-feedback__button--up:hover .calculator-icon{fill:var(--brand-dark)}.calculator-feedback__button--down:hover{border-color:var(--accent);background:rgba(143,44,95,.06)}.calculator-feedback__button--down:hover .calculator-icon{fill:var(--accent)}.calculator-feedback__button:focus-visible{outline:2px solid var(--brand);outline-offset:2px}.calculator-feedback__thanks{display:inline-flex;align-items:center;gap:10px;font-weight:600;color:var(--brand-dark);animation:calculator-feedback-fade .3s ease both}.calculator-feedback__picked{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:rgba(56,161,175,.16);animation:calculator-feedback-pop .55s cubic-bezier(.2,1.5,.4,1) both}.calculator-feedback__picked .calculator-icon{width:19px;height:19px;fill:var(--brand-dark)}.calculator-feedback__picked--down{background:rgba(143,44,95,.1)}.calculator-feedback__picked--down .calculator-icon{fill:var(--accent)}@keyframes calculator-feedback-pop{0%{opacity:0;transform:scale(.4) rotate(-14deg)}60%{opacity:1;transform:scale(1.3) rotate(6deg)}to{transform:scale(1) rotate(0)}}@keyframes calculator-feedback-fade{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){.calculator-feedback,.calculator-feedback__picked,.calculator-feedback__thanks{animation:none;transition:none}}.calculator-faq{margin-top:56px}.calculator-faq__kicker{display:block;text-align:center;color:var(--brand);font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.calculator-faq__title{margin:4px 0 18px;text-align:center;font-size:clamp(1.6rem,3.4vw,2.1rem);font-weight:700}.calculator-faq__item{border-bottom:1px solid var(--border-color)}.calculator-faq__item summary{display:flex;align-items:flex-start;gap:10px;padding:18px 4px;list-style:none;cursor:pointer;font-size:1.15rem;font-weight:700;line-height:1.4}.calculator-faq__item summary::-webkit-details-marker{display:none}.calculator-faq__item[open] .calculator-faq__chevron{transform:rotate(-90deg)}.calculator-faq__number{flex:0 0 auto;min-width:1.7em}.calculator-faq__question{flex:1 1 auto;margin:0;font:inherit}.calculator-faq__chevron{flex:0 0 auto;width:20px;height:20px;margin-top:2px;fill:#1a1a1a;transform:rotate(90deg);transition:transform .2s}.calculator-faq__answer{padding:0 4px 20px calc(1.7em + 14px);color:#555;font-size:1.05rem;line-height:1.7}.calculator-faq__answer p{margin:0 0 12px}.calculator-faq__answer ul{margin:0 0 12px;padding-left:1.3em}.calculator-faq__answer li{margin:4px 0}.calculator-faq__answer code{padding:1px 6px;border-radius:4px;background:#efefef;color:#333;font-size:.92em}.calculator-syntax{display:grid;grid-template-columns:1fr;margin:8px 0 12px;border:1px solid var(--border-color);border-radius:10px;background:#fff;overflow:hidden}.calculator-syntax__row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;align-items:center;padding:8px 14px}.calculator-syntax__row+.calculator-syntax__row{border-top:1px solid var(--border-color)}@media(max-width:640px){.calculator-tabs{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;border-bottom:1px solid var(--border-color)}.calculator-tabs::-webkit-scrollbar{display:none}.calculator-tabs__tab,.calculator-tabs__tab--active,.calculator-tabs__tab--active:hover,.calculator-tabs__tab:hover{flex:0 0 auto;min-height:0;padding:10px 12px;border:none;border-bottom:3px solid rgba(0,0,0,0);border-radius:0;background:none;box-shadow:none;transform:none;margin-bottom:-1px}.calculator-tabs__tab--active,.calculator-tabs__tab--active:hover{border-bottom-color:var(--brand)}.calculator-tabs__art,.calculator-tabs__badge,.calculator-tabs__formula{display:none}.calculator-tabs__label{font-size:.95rem;white-space:nowrap}.calculator-card{padding:14px}.calculator-form__affix{font-size:1.1rem}.calculator-form__bound .calculator-input{width:110px}.calculator-key{min-width:40px;height:38px;padding:0 8px}.calculator-ai__form{flex-direction:column}.calculator-plot__body{grid-template-columns:1fr}.calculator-button--ai{align-self:stretch}.calculator-faq__item summary{font-size:1.02rem}.calculator-faq__answer{margin-left:calc(1.7em + 4px);padding:0 0 18px 12px;border-left:2px solid var(--border-color)}.calculator-syntax__row{grid-template-columns:1fr;gap:2px}}