/* калькулятор утильсбора — /services/utilsbor/ */
.uc{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(20px,3vw,44px);align-items:start}
.uc-form{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(18px,2.4vw,32px)}
.uc-group{border:0;margin:0 0 18px;padding:0;min-width:0}
.uc-group legend{font-size:14px;font-weight:600;margin-bottom:10px;padding:0}

/* сегменты-переключатели */
.seg{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;background:var(--field-bg);border:1px solid var(--line);border-radius:12px;padding:5px}
.seg--3{grid-template-columns:repeat(3,1fr)}
.seg label{position:relative;display:block;cursor:pointer}
.seg input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.seg span{display:flex;align-items:center;justify-content:center;text-align:center;min-height:48px;height:100%;padding:8px 10px;border-radius:8px;font-size:14px;line-height:1.25;color:var(--muted-2);transition:background .18s,color .18s}
.seg label:hover span{background:var(--hover-soft)}
.seg input:checked+span{background:var(--fg);color:var(--bg);font-weight:500}
.seg input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}

/* поля */
.uc-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:10px}
.uc-f::after{display:none}
.uc-f input{width:100%;height:66px;padding:26px 16px 8px;background:var(--field-bg);border:1px solid var(--line);border-radius:11px;color:var(--fg);font-size:15px}
.uc-f input:focus{outline:none;border-color:var(--accent)}
.uc-f input::placeholder{color:var(--muted);opacity:.7}
.uc-f--unit input{padding-right:78px}
.field .uc-unit{position:absolute;right:8px;bottom:9px;width:auto;height:30px;padding:0 24px 0 10px;border-radius:7px;background:var(--field-bg-2);font-size:13px;
  background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 12px) 13px,calc(100% - 8px) 13px;background-size:4px 4px;background-repeat:no-repeat}
.uc-f[hidden]{display:none}
.uc-hint{font-size:12.5px;color:var(--muted);margin:2px 0 18px}

/* результат */
.uc-out{position:sticky;top:170px}
.uc-card{background:var(--hdr-bg);color:#fff;border-radius:var(--r-lg);padding:clamp(22px,2.6vw,36px)}
.uc-card .dim{color:rgba(255,255,255,.62)}
.uc-k{margin:0 0 6px;font-size:14px;color:rgba(255,255,255,.7)}
.uc-sum{margin:0;font-size:clamp(40px,5.4vw,68px);line-height:1;font-weight:600;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.uc-formula{margin:12px 0 0;font-size:15px;color:rgba(255,255,255,.75);font-variant-numeric:tabular-nums}
.uc-formula--big{font-size:clamp(22px,2.4vw,30px);font-weight:600;color:#fff;margin:4px 0 14px}
.uc-facts{margin:24px 0 0;border-top:1px solid rgba(255,255,255,.14)}
.uc-facts>div{display:grid;grid-template-columns:110px 1fr;gap:12px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:14px}
.uc-facts dt{color:rgba(255,255,255,.6)}
.uc-facts dd{margin:0}
.uc-alt{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-top:18px;padding:14px 16px;border-radius:11px;background:rgba(209,68,79,.16);border:1px solid rgba(209,68,79,.45);font-size:14px}
.uc-alt strong{font-size:18px;white-space:nowrap;color:#ffb3b9}
.uc-notes{list-style:none;margin:18px 0 22px;padding:0;display:grid;gap:10px}
.uc-n{position:relative;padding-left:18px;font-size:13.5px;line-height:1.5;color:rgba(255,255,255,.82)}
.uc-n::before{content:'';position:absolute;left:0;top:.55em;width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.45)}
.uc-n--ok::before{background:#6fcf97}
.uc-n--warn{color:#fff}
.uc-n--warn::before{background:var(--accent-on-dark)}
.uc-card .btn--ghost{border-color:rgba(255,255,255,.35);color:#fff}
.uc-card .btn--ghost:hover{background:#fff;color:var(--hdr-bg);border-color:#fff}
.uc-card--err{background:var(--panel);color:var(--fg);border:1px solid var(--accent)}
.uc-card--err .uc-k{color:var(--accent);font-weight:600}
.uc-errs{margin:6px 0 0;padding-left:18px;font-size:14.5px}
.uc-errs li{margin-bottom:6px}
.uc-src{font-size:12.5px;color:var(--muted);margin:12px 4px 0}

@media(max-width:1100px){.uc-out{top:120px}}
@media(max-width:992px){
  .uc{grid-template-columns:1fr}
  .uc-out{position:static}
}
@media(max-width:640px){
  .seg--3{grid-template-columns:1fr}
  .uc-row{grid-template-columns:1fr 1fr}
  .uc-row .uc-f--unit,.uc-row .field:last-child{grid-column:1/-1}
  .uc-facts>div{grid-template-columns:90px 1fr}
}
@media(prefers-reduced-motion:reduce){.seg span{transition:none}}