.carbo-co2{--carbo-ink:#173d35;--carbo-accent:#19634e;box-sizing:border-box;clear:both;width:100%;margin:20px 0;padding:22px;border:1px solid #d8e4dc;border-radius:18px;background:#f7faf6;color:var(--carbo-ink);font-family:inherit}
.carbo-co2 legend{float:none;width:auto;margin:0;padding:0 6px;font-size:19px;font-weight:700;line-height:1.4;color:var(--carbo-ink)}
.carbo-co2 .carbo-co2__intro{margin:0 0 16px;font-size:14px;line-height:1.5}
.carbo-co2__options{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.carbo-co2__option{position:relative;display:block;margin:0;cursor:pointer}
.carbo-co2__option input{position:absolute!important;width:1px!important;height:1px!important;opacity:0;margin:0!important}
.carbo-co2__option>span{box-sizing:border-box;display:flex;flex-direction:column;justify-content:center;gap:7px;height:100%;min-height:86px;padding:12px 7px;text-align:center;border:2px solid #d8e4dc;border-radius:12px;background:#fff;transition:border-color .15s,background .15s}
.carbo-co2__option strong{font-size:14px;font-weight:650;line-height:1.3}
.carbo-co2__option small{font-size:11px;line-height:1.4;color:#4d665e}
.carbo-co2__option input:checked+span{border-color:var(--carbo-accent);background:#e7f2df;box-shadow:inset 0 0 0 1px var(--carbo-accent)}
.carbo-co2__option input:focus-visible+span{outline:3px solid #2268bd;outline-offset:3px}
.carbo-co2__option:hover input:not(:disabled)+span{border-color:var(--carbo-accent)}
.carbo-co2__option input:disabled+span{opacity:.45;cursor:not-allowed}
.carbo-co2 .carbo-co2__note{margin:14px 0 0;font-size:12px;line-height:1.6;color:#4d665e}
@media(max-width:520px){.carbo-co2{padding:16px}.carbo-co2__options{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){.carbo-co2__option>span{transition:none}}