/* Responsive shared shell and calculator-specific usability. */
.footer-layout,.footer-links,.footer-links>div,.calculator-layout>*,.tool-content-grid>*{min-width:0}
.footer-links{grid-template-columns:repeat(3,minmax(0,1fr))}
.footer-links a,.footer-contact,.breadcrumbs{overflow-wrap:anywhere}
.calculator-layout{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}
.field-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.field-label,.input-wrap{min-width:0}
.input-wrap{display:flex;align-items:center;gap:8px}
.input-wrap input,.input-wrap select{width:100%;min-width:0;min-height:48px;font-size:16px;padding:10px 12px}
.input-unit{position:static;transform:none;flex:0 0 auto;font-size:.76rem;max-width:85px;overflow-wrap:anywhere}
.result-value{font-size:clamp(1.8rem,5vw,2.7rem);overflow-wrap:anywhere}
.breakdown div{display:flex;justify-content:space-between;flex-wrap:wrap;gap:5px 12px}
.breakdown strong{overflow-wrap:anywhere;max-width:100%}
.calculator-scope{border:1px solid var(--line);background:#f7f7f5;padding:16px 18px;border-radius:7px;margin:0 0 22px}
.calculator-scope strong{font-size:.85rem}.calculator-scope p{margin:5px 0 0;font-size:.83rem;color:var(--muted)}
.input-advice{padding:12px 14px;background:#fff8e8;border:1px solid #e7d9b8;border-radius:7px;font-size:.85rem;margin-top:16px}
.input-advice p{margin:4px 0;line-height:1.7}
[aria-invalid="true"]{border-color:#ae3630!important;outline:2px solid #ae3630;outline-offset:1px}
.calculation-walkthrough{border:1px solid var(--line);border-radius:7px;padding:22px;margin:24px 0;background:#fff}
.calculation-walkthrough>p,.calculation-report p{font-size:.83rem;color:var(--muted)}
.calculation-walkthrough ol{padding-left:24px}
.calculation-walkthrough li{padding:9px 0 9px 5px;overflow-wrap:anywhere;white-space:pre-line;border-bottom:1px solid var(--line)}
.calculation-walkthrough li:last-child{border-bottom:0}
.calculation-report{margin:20px 0 30px}
.calculation-report a{display:inline-flex;align-items:center;min-height:44px;color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.button-row{display:flex;flex-wrap:wrap;gap:10px}.button-row button,.result-actions button{min-height:44px}
.button-row button{flex:1}
.directory-jumps a,.faq-list summary{min-height:44px}
.calculator-layout,.tool-content-grid,.result-visual{min-width:0}
@media(max-width:960px){.footer-layout{grid-template-columns:1fr!important;gap:24px}.footer-brand{max-width:100%}}
@media(max-width:820px){.calculator-layout{grid-template-columns:1fr}.result-card{position:static!important}.tool-content-grid{grid-template-columns:1fr}}
@media(max-width:560px){.field-grid{grid-template-columns:1fr}.tool-intro h1{font-size:1.8rem;overflow-wrap:anywhere}.calculation-walkthrough{padding:18px}.input-wrap input[type=date]{max-width:100%}.tool-sidebar{grid-template-columns:1fr}.formula-box{overflow-wrap:anywhere}.result-actions{grid-template-columns:1fr}.hero{padding-top:36px;padding-bottom:28px}.hero h1{font-size:2.1rem}}
@media(max-width:360px){.footer-links{grid-template-columns:1fr!important}.container{padding-left:16px;padding-right:16px}}