.calculator-shell{border:1px solid var(--line,#dedff0);background:#fff;border-radius:22px;scroll-margin-top:96px;overflow:hidden;box-shadow:0 24px 70px #1a5c4f1a}.calculator-tabs{background:var(--primary-soft,#eeefff);grid-template-columns:repeat(4,minmax(0,1fr));gap:2px;padding:6px;display:grid}.calculator-tabs button{color:#565d78;min-height:48px;font:inherit;cursor:pointer;background:0 0;border:0;border-radius:12px;padding:10px 12px;font-size:.9rem;font-weight:700}.calculator-tabs button[aria-selected=true]{color:var(--primary-dark,#413ca2);background:#fff;box-shadow:0 4px 16px #1a5c4f1a}.calculator-panel{padding:clamp(24px,5vw,48px)}.calculator-panel__intro{max-width:680px;margin-bottom:28px}.calculator-panel__intro h2{margin:5px 0 8px;font-size:clamp(1.55rem,3vw,2.25rem)}.eyebrow{color:var(--primary,#4944b4);letter-spacing:.12em;text-transform:uppercase;font-size:.76rem;font-weight:800}.calculator-fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.number-field label,.operation-field legend{color:#25364a;margin-bottom:8px;font-size:.88rem;font-weight:750;display:block}.number-field__control{background:#fbfdff;border:1px solid #b9c9dc;border-radius:12px;align-items:center;min-height:56px;transition:border-color .16s,box-shadow .16s;display:flex;overflow:hidden}.number-field__control:focus-within{border-color:var(--primary,#5b5ce2);box-shadow:0 0 0 4px #2e7d6f26}.number-field__control span{color:#60758c;padding:0 16px;font-weight:750}.number-field__control input{color:#14253a;width:100%;min-width:0;font:inherit;background:0 0;border:0;outline:0;padding:15px 16px;font-size:1.08rem;font-weight:650}.number-field__control select{color:#14253a;width:100%;min-width:0;font:inherit;cursor:pointer;background:0 0;border:0;outline:0;padding:15px 16px;font-size:1.08rem;font-weight:650}.operation-field{border:0;flex-wrap:wrap;grid-column:1/-1;gap:10px;padding:0;display:flex}.operation-field legend{width:100%}.operation-field label{cursor:pointer}.operation-field input{opacity:0;position:absolute}.operation-field span{color:#496078;border:1px solid #b9c9dc;border-radius:999px;padding:10px 18px;font-weight:750;display:block}.operation-field input:checked+span{border-color:var(--primary,#5b5ce2);background:var(--primary-soft,#eeefff);color:var(--primary-dark,#413ca2)}.operation-field input:focus-visible+span{outline-offset:2px;outline:3px solid #2874c652}.calculator-actions{flex-wrap:wrap;gap:12px;margin-top:24px;display:flex}.button{min-height:48px;font:inherit;cursor:pointer;border:1px solid #0000;border-radius:12px;padding:12px 20px;font-weight:800}.button--primary{background:var(--primary-dark,#413ca2);color:#fff;box-shadow:0 10px 24px #1a5c4f2e}.button--primary:hover{background:#332f82}.button--secondary,.button--quiet{color:#29435f;background:#fff;border-color:#c8d6e5}.button--quiet{min-height:38px;padding:7px 12px;font-size:.84rem}.calculator-error{color:#a82121;background:#fff4f4;border:1px solid #fecaca;border-radius:10px;margin:18px 0 0;padding:12px 14px;font-weight:650}.calculator-result{background:linear-gradient(145deg,#f0fdf9,#f7fbff);border:1px solid #a7e3d4;border-radius:16px;margin-top:28px;padding:clamp(20px,4vw,30px)}.calculator-result__header{justify-content:space-between;align-items:center;gap:16px;display:flex}.calculator-result__actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.calculator-result__values{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:12px 0 8px;display:grid}.calculator-result__item{min-width:0}.calculator-result__value{color:#0c6b59;margin:12px 0 8px;font-size:clamp(2rem,6vw,3.5rem);line-height:1;display:block}.calculator-result__formula{color:#52677e;border-top:1px solid #cce7df;gap:6px;margin-top:18px;padding-top:16px;display:grid}.calculator-result__formula code{color:#17324d;white-space:normal;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.92rem}.copy-fallback{color:#17324d;resize:vertical;background:#fff;border:1px solid #7aa8d7;border-radius:10px;width:100%;min-height:92px;margin-top:16px;padding:12px;font:.9rem/1.5 ui-monospace,SFMono-Regular,Consolas,monospace}.field-error{color:#a33a3a;margin:7px 0 0;font-size:.82rem}.calculator-card{--calculator-card-accent:#3e78b2;border:1px solid var(--line,#dedff0);background:#fff;border-radius:20px;gap:12px;min-height:100%;padding:24px;transition:transform .18s,box-shadow .18s,border-color .18s;display:grid;position:relative;overflow:hidden;box-shadow:0 12px 34px #2d2b6914}.calculator-card:hover{border-color:color-mix(in srgb, var(--calculator-card-accent) 35%, white);transform:translateY(-3px);box-shadow:0 20px 44px #2d2b6921}.calculator-card:before{background:var(--calculator-card-accent);content:"";width:4px;position:absolute;inset:0 auto 0 0}.calculator-card__icon{background:color-mix(in srgb, var(--calculator-card-accent) 14%, white);width:44px;height:44px;color:var(--calculator-card-accent);border-radius:14px;place-items:center;font-size:1.35rem;font-weight:800;display:grid}.calculator-card h3,.calculator-card p{margin:0}.calculator-card h3{line-height:1.2}.calculator-card p{color:#52677e}.calculator-card a{min-height:44px;color:var(--primary-dark,#413ca2);align-self:end;align-items:center;gap:8px;font-weight:750;text-decoration:none;display:inline-flex}.ai-help{border:1px solid var(--line,#dedff0);background:var(--primary-soft,#eeefff);border-radius:16px;grid-template-columns:1fr auto;align-items:center;gap:20px;margin-top:20px;padding:22px 24px;display:grid}.ai-help h2,.ai-help p{margin:0}.privacy-note{color:#60758c;margin:20px 0 0;font-size:.85rem}.privacy-note span{color:#16866f;font-weight:900}@media (width<=760px){.calculator-tabs{scroll-snap-type:x mandatory;display:flex;overflow-x:auto}.calculator-tabs button{scroll-snap-align:start;flex:none}.calculator-fields{grid-template-columns:1fr}.calculator-actions .button{flex:140px}.button--quiet{min-height:44px}.ai-help{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.number-field__control,.calculator-card{transition:none}}