/* Общие стили калькуляторов (в духе iOS: сгруппированные списки, крупные скругления) */
.calc-lead{margin-bottom:6px}
.calc-group{background:var(--card);border-radius:var(--r-lg);box-shadow:0 1px 2px rgba(28,27,25,.04),0 10px 24px rgba(28,27,25,.05);overflow:hidden}
.calc-row{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line)}
.calc-row:last-child{border-bottom:0}
.calc-row label{flex:1;font-size:15px;font-weight:600}
.calc-row input{width:92px;text-align:right;font-family:var(--mono);font-size:17px;font-weight:600;color:var(--ink);border:0;background:transparent;padding:4px 0;border-radius:6px}
.calc-row input:focus{outline:none;color:var(--accent-dark);background:var(--accent-soft);padding-right:6px}
.calc-row input::placeholder{color:#c9c5bd;font-weight:500}
.calc-unit{width:26px;font-size:13px;color:var(--soft);font-weight:500}
.calc-hint{font-size:12.5px;color:var(--soft);margin:8px 6px 0}

.calc-seg{display:flex;gap:3px;background:#e7e4dc;border-radius:12px;padding:3px;margin:14px 0 0}
.calc-seg button{flex:1;border:0;background:transparent;border-radius:10px;padding:9px 4px;font:inherit;font-size:13px;font-weight:700;color:var(--soft);cursor:pointer}
.calc-seg button.on{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.calc-seg-title{font-size:12px;font-weight:700;color:var(--soft);text-transform:uppercase;letter-spacing:.05em;margin:18px 4px 0}

.calc-result{background:var(--ink);border-radius:var(--r-lg);padding:4px 4px;margin-top:20px;transition:opacity .15s}
.calc-result.off{opacity:.35}
.calc-result .calc-row{border-bottom-color:rgba(255,255,255,.09);padding:14px 14px}
.calc-result .calc-row[hidden]{display:none}
.calc-result .lab{flex:1;font-size:13.5px;font-weight:600;color:rgba(255,255,255,.65)}
.calc-result .val{font-family:var(--mono);font-size:21px;font-weight:700;color:#fff;text-align:right}
.calc-result .val small{font-size:12px;color:rgba(255,255,255,.5);font-weight:500}
.calc-result .main .val{color:#ff9a72;font-size:26px}
.calc-msg{font-size:13.5px;color:#9c2a17;margin:8px 6px 0;min-height:0}

.calc-text{background:var(--card);border-radius:var(--r-lg);padding:18px 18px;box-shadow:0 1px 2px rgba(28,27,25,.04),0 10px 24px rgba(28,27,25,.05)}
.calc-text p{font-size:15px;line-height:1.65;color:#4a463f;margin:0 0 12px}
.calc-text p:last-child{margin-bottom:0}
.calc-text strong{color:var(--ink)}
.calc-text ul{margin:0;padding-left:20px}
.calc-text li{font-size:15px;line-height:1.6;color:#4a463f;margin-bottom:9px}
.calc-text li:last-child{margin-bottom:0}

.calc-faq details{padding:14px 16px;border-bottom:1px solid var(--line)}
.calc-faq details:last-child{border-bottom:0}
.calc-faq summary{cursor:pointer;font-weight:700;font-size:15px;list-style:none;display:flex;gap:12px;align-items:center}
.calc-faq summary::-webkit-details-marker{display:none}
.calc-faq summary::after{content:'⌄';margin-left:auto;color:var(--soft);font-size:16px;transition:transform .15s}
.calc-faq details[open] summary::after{transform:rotate(180deg)}
.calc-faq details p{margin:10px 0 0;font-size:14.5px;line-height:1.6;color:#4a463f}