.tire-calculator{--tc-navy:#1e2d7d;--tc-aqua:#91c9c3;--tc-aqua-strong:#81cac3;--tc-cyan:#00badb;--tc-ink:#151e1d;--tc-muted:#677279;--tc-soft:#f1fbfa;box-sizing:border-box;margin:24px 0;padding:26px;border:1px solid rgba(129,202,195,.7);border-radius:14px;background:#fff;box-shadow:0 10px 28px rgba(21,30,29,.08);font-family:Barlow,var(--text-font-family),sans-serif;color:var(--tc-ink)}
.tire-calculator *{box-sizing:border-box}
.tire-calculator--compact{margin:20px 0;padding:22px;background:linear-gradient(180deg,#fff 0%,var(--tc-soft) 100%)}
.tire-calculator__header{margin-bottom:20px}
.tire-calculator__title{margin:0 0 8px!important;font-family:Barlow,var(--heading-font-family),sans-serif!important;font-size:25px!important;font-weight:700!important;line-height:1.2!important;letter-spacing:0!important;color:var(--tc-navy)!important;text-transform:none!important}
.tire-calculator--compact .tire-calculator__title{font-size:21px!important}
.tire-calculator__intro{margin:0!important;color:var(--tc-muted);font-size:14px;font-weight:500;line-height:1.6}
.tire-calculator__intro strong{color:var(--tc-navy);font-weight:700}
.tire-calculator__fields{display:grid;grid-template-columns:minmax(100px,1fr) 22px minmax(100px,1fr) 24px minmax(100px,1fr);align-items:end;gap:8px}
.tire-calculator__field{position:relative;display:flex;min-width:0;flex-direction:column;margin:0!important}
.tire-calculator__field>span{margin:0 0 7px;font-size:12px;font-weight:700;line-height:1.3;letter-spacing:.04em;text-transform:uppercase;color:var(--tc-navy)}
.tire-calculator__field input{width:100%;height:50px;margin:0!important;padding:0 48px 0 14px!important;border:1px solid var(--tc-aqua-strong)!important;border-radius:9px!important;outline:0;background:#fff!important;box-shadow:none!important;font-family:Barlow,var(--text-font-family),sans-serif!important;font-size:17px!important;font-weight:700;color:var(--tc-ink)!important;appearance:textfield}
.tire-calculator__field input:focus{border-color:var(--tc-cyan)!important;box-shadow:0 0 0 3px rgba(0,186,219,.18)!important}
.tire-calculator__field input::-webkit-inner-spin-button,.tire-calculator__field input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.tire-calculator__field small{position:absolute;right:12px;bottom:15px;color:#6b817f;font-size:12px;font-weight:600;pointer-events:none}
.tire-calculator__separator{padding-bottom:12px;text-align:center;font-size:22px;font-weight:800;line-height:1;color:var(--tc-muted)}
.tire-calculator__calculate,.tire-calculator__select{display:block;width:100%;min-height:50px;margin-top:16px!important;border:1px solid var(--tc-aqua)!important;border-radius:9px!important;background:var(--tc-aqua)!important;color:var(--tc-ink)!important;font-family:Barlow,var(--text-font-family),sans-serif!important;font-size:15px!important;font-weight:700!important;letter-spacing:0!important;text-transform:none!important;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease,border-color .15s ease}
.tire-calculator__calculate:hover,.tire-calculator__select:hover{border-color:var(--tc-aqua-strong)!important;background:var(--tc-aqua-strong)!important;box-shadow:0 7px 18px rgba(68,161,152,.24);transform:translateY(-1px)}
.tire-calculator__message{min-height:0;margin-top:12px;font-size:14px;font-weight:600;line-height:1.45;color:#24743b}
.tire-calculator__message:empty{display:none}
.tire-calculator__message--error{display:block!important;padding:11px 13px;border:1px solid #f2c2be;border-radius:8px;background:#fff5f4;color:#b42318}
.tire-calculator__result{display:none;margin-top:16px;padding:18px;border:1px solid rgba(129,202,195,.85);border-radius:11px;background:#eefafa}
.tire-calculator__result[hidden]{display:none!important}
.tire-calculator__result-main{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:5px 0;font-size:14px;color:var(--tc-muted)}
.tire-calculator__result-main strong{font-size:18px;font-weight:800;color:var(--tc-navy)}
.tire-calculator__result-main--recommended{margin-top:5px;padding-top:12px;border-top:1px solid rgba(30,45,125,.14);color:var(--tc-ink);font-weight:700}
.tire-calculator__result-main--recommended strong{font-size:23px;color:var(--tc-navy)}
.tire-calculator__fit-note{margin:10px 0 0!important;color:#536866;font-size:13px;line-height:1.55}
.tire-calculator__select{background:var(--tc-aqua)!important;border-color:var(--tc-aqua)!important;color:var(--tc-ink)!important}
.tire-calculator__select:hover{background:var(--tc-aqua-strong)!important;border-color:var(--tc-aqua-strong)!important;box-shadow:0 7px 18px rgba(68,161,152,.22)}
.tire-calculator__guide{margin-top:20px;padding-top:17px;border-top:1px solid rgba(129,202,195,.55)}
.tire-calculator__guide summary{cursor:pointer;font-size:14px;font-weight:700;color:var(--tc-navy);list-style-position:outside}
.tire-calculator__table-wrap{overflow-x:auto;margin-top:13px;border:1px solid rgba(129,202,195,.7);border-radius:9px}
.tire-calculator__guide table{width:100%;margin:0!important;border-collapse:collapse;font-size:13px}
.tire-calculator__guide th,.tire-calculator__guide td{padding:10px 12px!important;border:0!important;border-bottom:1px solid #dcefed!important;text-align:left}
.tire-calculator__guide tr:last-child td{border-bottom:0!important}
.tire-calculator__guide th{background:var(--tc-aqua);color:var(--tc-ink);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.035em}
.tire-calculator__guide td:first-child{font-weight:700;color:var(--tc-navy)}
.tire-calculator__disclaimer{margin:11px 0 0!important;color:var(--tc-muted);font-size:12px;line-height:1.55}
@media screen and (max-width:640px){.tire-calculator{padding:18px;border-radius:12px}.tire-calculator__title,.tire-calculator--compact .tire-calculator__title{font-size:20px!important}.tire-calculator__fields{grid-template-columns:1fr 15px 1fr 18px 1fr;gap:3px}.tire-calculator__field>span{font-size:10px;letter-spacing:.02em}.tire-calculator__field input{height:48px;padding:0 8px!important;text-align:center;font-size:16px!important}.tire-calculator__field small{display:none}.tire-calculator__separator{padding-bottom:14px;font-size:18px}.tire-calculator__result-main{align-items:flex-start;flex-direction:column;gap:2px}.tire-calculator__result-main strong{text-align:left}.tire-calculator__result-main--recommended strong{font-size:22px}}