/* Калкулатор за сапани (ENABLE_RIG) — стиловете на одобреното демо (scratchpad/rigging/demo/rig.css; Pro скриптът рисува с тях)
   + частта на сайта накрая (body.rcs). Slings & rigging calculator demo — tokens and components copied from loadcalc/demo/load.css (same look), rigging parts below */
:root{
  --bg:#0f1117;--bg-2:#0d1016;--panel:#1a1d27;--card:#1a1e2a;--card-2:#141822;--border:#2d3650;--line:#283047;
  --rule:rgba(45,54,80,.7);--text:#e2e8f0;--text-2:#cbd5e1;--muted:#a6b2c6;--dim:#8b98ad;--faint:#7f8ca3;
  --accent:#4f8ef7;--primary:#2f66e0;--primary-h:#295bcc;--m1:#4f8ef7;--md1-bg:rgba(79,142,247,.14);--md1-t:#9cc0ff;
  --green:#10b981;--green-t:#6ee7b7;--green-bg:rgba(16,185,129,.12);--yellow:#f59e0b;--tag-y:#f5b544;--tag-y-bg:rgba(245,158,11,.12);--tag-y-b:rgba(245,158,11,.34);
  --red:#ef4444;--red-t:#fca5a5;--red-bg:rgba(239,68,68,.12);--chip-bg:rgba(255,255,255,.035);--chip-b:rgba(148,163,184,.16);--nav-bg:rgba(22,25,35,.96);--nav-b:rgba(45,54,80,.85);
  --hover:rgba(255,255,255,.05);--grid-1:rgba(79,142,247,.06);--grid-2:rgba(79,142,247,.024);
  --shadow:0 1px 0 rgba(255,255,255,.04) inset,0 14px 34px -22px rgba(0,0,0,.9);--btn-sh:0 1px 2px rgba(0,0,0,.35);
  --pro:#a78bfa;--pro-bg:rgba(167,139,250,.13);--pro-b:rgba(167,139,250,.4);
  /* chart series (dataviz reference palette, dark steps; validated against #1a1e2a) */
  --s-m:#3987e5;--s-v:#d95926;--s-f:#199e70;--s-mv:#b77be8;--s-area:rgba(57,135,229,.12);--grid:#283047;
  --ok-area:rgba(16,185,129,.10);--no-area:rgba(239,68,68,.09);
  --s-lt:#e0a526;--s-f3:#e2669a;   /* lateral-torsional buckling, imposed-load deflection (D4, D6) */
  --pop:#232a3a;--pop-b:#3a4560;   /* the (i) bubble: a step above the card */
  color-scheme:dark;
}
html[data-theme="light"]{
  --bg:#f4f3ef;--bg-2:#eeede8;--panel:#ffffff;--card:#ffffff;--card-2:#f8f7f3;--border:#d8d5cc;--line:#dddad1;
  --rule:#e7e4dc;--text:#171b23;--text-2:#2a303c;--muted:#485160;--dim:#5b6473;--faint:#636c7b;
  --accent:#1f5fd6;--primary:#2257cc;--primary-h:#1d4bb0;--m1:#2563eb;--md1-bg:rgba(37,99,235,.09);--md1-t:#1d4fbf;
  --green:#0f9f6e;--green-t:#05714f;--green-bg:rgba(15,159,110,.1);--yellow:#d97706;--tag-y:#9a4a07;--tag-y-bg:rgba(245,158,11,.13);--tag-y-b:rgba(180,83,9,.32);
  --red:#dc2626;--red-t:#b91c1c;--red-bg:rgba(220,38,38,.08);--chip-bg:#f5f4f0;--chip-b:#dedbd2;--nav-bg:rgba(250,249,246,.96);--nav-b:#dedbd2;
  --hover:rgba(20,30,50,.05);--grid-1:rgba(30,60,110,.055);--grid-2:transparent;
  --shadow:0 1px 2px rgba(20,25,35,.06);--btn-sh:0 1px 2px rgba(20,25,35,.18);
  --pro:#6d28d9;--pro-bg:rgba(109,40,217,.08);--pro-b:rgba(109,40,217,.32);
  --s-m:#2a78d6;--s-v:#eb6834;--s-f:#1baf7a;--s-mv:#8b3fc4;--s-area:rgba(42,120,214,.10);--grid:#e7e4dc;
  --ok-area:rgba(15,159,110,.09);--no-area:rgba(220,38,38,.07);
  --s-lt:#a86a00;--s-f3:#c03a76;
  --pop:#ffffff;--pop-b:#cfcbc0;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.45 'Segoe UI',system-ui,-apple-system,sans-serif;font-variant-numeric:tabular-nums}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--accent)}
.sr{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
input:focus-visible,select:focus-visible{outline-offset:1px}
[hidden]{display:none!important}
.skip{position:absolute;left:-999px;top:8px;z-index:200;background:var(--card);padding:8px 12px;border-radius:6px}
.skip:focus{left:8px}

/* nav */
.nav{position:sticky;top:0;z-index:60;height:56px;display:flex;align-items:center;gap:14px;padding:0 28px;background:var(--nav-bg);border-bottom:1px solid var(--nav-b)}
.logo{font-size:18px;font-weight:700;color:var(--accent);white-space:nowrap;text-decoration:none}
.logo span{color:var(--text)}
.nav-t{font-size:14px;color:var(--muted);white-space:nowrap;padding-left:14px;border-left:1px solid var(--line)}
.tag{display:inline-flex;align-items:center;height:20px;padding:0 7px;border-radius:5px;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--tag-y);background:var(--tag-y-bg);border:1px solid var(--tag-y-b);white-space:nowrap}
.nl{display:flex;gap:2px;margin-left:8px}
.nl a{font-size:14px;color:var(--dim);padding:8px 11px;border-radius:6px;text-decoration:none;white-space:nowrap}
.nl a:hover{color:var(--text);background:var(--hover)}
.nl i{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:7px;vertical-align:1px;background:var(--m1)}
.nr{display:flex;align-items:center;gap:8px;margin-left:auto}
.nb{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 12px;border-radius:6px;border:1px solid var(--border);background:none;color:var(--text);font-size:13px;cursor:pointer;white-space:nowrap}
.nb:hover{border-color:var(--accent);color:var(--accent)}
select.nb{font-weight:600;padding:0 8px;background:var(--bg)}
.nb.theme{width:34px;padding:0;justify-content:center;color:var(--dim)}
.nb.theme .i-moon,html[data-theme="light"] .nb.theme .i-sun{display:none}
html[data-theme="light"] .nb.theme .i-moon{display:block}
.ptag{display:inline-flex;align-items:center;height:18px;padding:0 6px;border-radius:5px;font-size:10.5px;font-weight:700;letter-spacing:.05em;color:var(--pro);background:var(--pro-bg);border:1px solid var(--pro-b);vertical-align:1px}

/* layout */
.wrap{max-width:1220px;margin:0 auto;padding:0 28px}
.hero{position:relative;padding:14px 0 12px;display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 16px}
.hero::before{content:"";position:absolute;inset:0 -28px;z-index:-1;pointer-events:none;
  background-image:linear-gradient(var(--grid-1) 1px,transparent 1px),linear-gradient(90deg,var(--grid-1) 1px,transparent 1px),linear-gradient(var(--grid-2) 1px,transparent 1px),linear-gradient(90deg,var(--grid-2) 1px,transparent 1px);
  background-size:120px 120px,120px 120px,24px 24px,24px 24px;-webkit-mask-image:linear-gradient(#000 40%,transparent);mask-image:linear-gradient(#000 40%,transparent)}
h1{font-size:26px;line-height:1.2;margin:0;font-weight:700;letter-spacing:-.01em}
.lead{margin:0;color:var(--muted);font-size:15px;max-width:900px}
.grid{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:24px;align-items:start}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:20px 22px;min-width:0}
h2{font-size:16px;margin:0;font-weight:700}
h3{font-size:14px;margin:0;font-weight:700}
.dimt{color:var(--dim);font-size:13px}
.err-banner{margin:0 0 12px;padding:10px 12px;border:1px solid var(--red);border-radius:8px;color:var(--red-t);display:flex;gap:10px;align-items:center}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;border:1px solid var(--border);background:var(--panel);color:var(--text);box-shadow:var(--btn-sh);white-space:nowrap;text-decoration:none}
.btn:hover{border-color:var(--accent)}
.btn.pri{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.pri:hover{background:var(--primary-h)}
.btn[aria-disabled="true"],.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.sm{min-height:36px;padding:0 12px;font-size:13.5px}
.btn .lk{color:var(--pro)}
.lnk{border:0;background:none;color:var(--accent);padding:4px 0;cursor:pointer;font-size:13.5px}
.lnk:hover{text-decoration:underline}
.ib{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:6px;border:1px solid transparent;background:none;color:var(--dim);cursor:pointer;padding:0}
.ib:hover{color:var(--red);border-color:var(--red)}
.ib svg{width:16px;height:16px}

/* segmented */
.seg{display:inline-flex;padding:3px;border-radius:8px;background:var(--panel);border:1px solid var(--border);gap:2px}
html[data-theme="light"] .seg{background:var(--bg-2)}
.seg button{display:inline-flex;align-items:center;gap:6px;border:0;background:none;padding:6px 12px;border-radius:6px;font-size:13px;font-weight:600;color:var(--dim);cursor:pointer;white-space:nowrap}
.seg button[aria-pressed="true"]{background:var(--card-2);color:var(--text);box-shadow:0 0 0 1px var(--line)}
html[data-theme="light"] .seg button[aria-pressed="true"]{background:#fff;box-shadow:0 0 0 1px var(--border),0 1px 2px rgba(20,25,35,.08)}
.seg button[aria-disabled="true"]{cursor:pointer}
.seg .lk{color:var(--pro)}
body.pro .seg .ptag{display:none}

/* fields */
.f{display:flex;flex-direction:column;gap:4px;min-width:0}
.f>label,.lbl{font-size:12.5px;color:var(--muted);font-weight:600}
.in,.f input,.f select{height:40px;border:1px solid var(--border);background:var(--panel);border-radius:8px;padding:0 11px;min-width:0;width:100%}
.f select{padding-right:30px;-webkit-appearance:none;appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%238b98ad' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 11px center}
select option,select optgroup{background:var(--panel);color:var(--text)}
.f input::placeholder,.in::placeholder{color:var(--faint)}
.f input[aria-invalid="true"],.in[aria-invalid="true"]{border-color:var(--red)}
.f input:disabled,.f select:disabled{opacity:.62;cursor:not-allowed;background-color:var(--card-2)}
.suf{position:relative;display:block}
.suf i{position:absolute;right:11px;top:50%;transform:translateY(-50%);font-style:normal;color:var(--dim);font-size:13px;pointer-events:none}
.suf input{padding-right:40px}
.err{font-size:12px;color:var(--red-t)}
.err:empty{display:none}
.hint{font-size:12px;color:var(--dim);margin:0}
.hint:empty{display:none}

/* result */
.result{position:sticky;top:72px;display:flex;flex-direction:column;gap:12px;background:var(--card-2);border-top:3px solid var(--line)}
.result.ok{border-top-color:var(--green)}
.result.bad{border-top-color:var(--red)}
.result.mix{border-top-color:var(--yellow)}
.result.busy .verdict,.result.busy .ubar,.result.busy #gov,.result.busy #warns{opacity:.4;transition:opacity .15s .1s}
.result.busy #resSub::after{content:" · …"}
.res-h{display:flex;justify-content:space-between;align-items:baseline;gap:8px;flex-wrap:wrap}
.verdict{display:flex;align-items:center;gap:12px;min-height:58px}
.verdict .vi{flex:none;width:44px;height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center}
.verdict .vi svg{width:24px;height:24px}
.verdict.ok .vi{background:var(--green-bg);color:var(--green-t)}
.verdict.bad .vi{background:var(--red-bg);color:var(--red-t)}
.verdict .vx{font-size:21px;line-height:1.2;font-weight:600}
.verdict .vw{font-size:32px;font-weight:800;letter-spacing:.01em}
.verdict.ok .vw{color:var(--green-t)}
.verdict.bad .vw{color:var(--red-t)}
.verdict.mix .vi{background:var(--tag-y-bg);color:var(--yellow)}
.verdict.mix .vw{color:var(--text)}
.verdict.none .vx{font-size:15px;color:var(--muted);font-weight:500}
.ubar{height:8px;border-radius:4px;background:var(--line);overflow:hidden}
.ubar i{display:block;height:100%;width:0;border-radius:4px;background:var(--green);transition:width .2s}
.result.bad .ubar i{background:var(--red)}
.ubar.off{visibility:hidden}
.gov{font-size:15px;color:var(--text-2)}
.gov b{color:var(--text)}
.gov .gu{color:var(--dim);font-size:13px;margin-left:4px}
.assume{margin:0;font-size:12.5px;color:var(--muted);border-left:3px solid var(--yellow);padding:2px 0 2px 10px}
.warns{display:flex;flex-direction:column;gap:6px}
.warns:empty{display:none}
.wn{display:flex;gap:8px;font-size:12.5px;color:var(--text-2);background:var(--tag-y-bg);border:1px solid var(--tag-y-b);border-radius:8px;padding:7px 10px;line-height:1.4}
.wn svg{flex:none;width:16px;height:16px;color:var(--yellow);margin-top:1px}
.wn.bad{background:var(--red-bg);border-color:var(--red)}
.wn.bad svg{color:var(--red)}
.rbtns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.rbtns .btn{min-height:40px;padding:4px 10px;font-size:14px;white-space:normal;line-height:1.2;text-align:center}   /* long labels wrap on 320-360 px phones */
details.lims{border-top:1px solid var(--rule);padding-top:8px}
details.lims>summary{cursor:pointer;font-weight:700;font-size:13.5px;list-style:none;display:flex;justify-content:space-between;align-items:center;min-height:28px}
details.lims>summary::-webkit-details-marker{display:none}
details.lims>summary::after{content:"";width:7px;height:7px;border-right:1.6px solid var(--dim);border-bottom:1.6px solid var(--dim);transform:rotate(45deg);margin-right:4px}
details.lims[open]>summary::after{transform:rotate(-135deg)}
.lims ol{margin:6px 0 0;padding-left:20px;display:flex;flex-direction:column;gap:5px;font-size:12.5px;color:var(--muted);line-height:1.4}
.lims li.hl{color:var(--text)}
.lims li.hl::marker{color:var(--yellow);font-weight:700}

/* upsell + pro cards */
.upsell{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:18px 0 0;padding:10px 14px;border:1px dashed var(--pro-b);border-radius:10px;background:var(--pro-bg);font-size:14px;color:var(--text-2)}
.upsell svg{color:var(--pro);flex:none}
.upsell span{flex:1 1 300px}
.pgrid2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;margin-top:16px}
.pcard.wide{grid-column:1 / -1}
.pc-h{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.plock{display:none}
.pcard.locked{position:relative;border-style:dashed;padding-bottom:16px}
.pcard.locked.wide{grid-column:auto}
.pcard.locked .pbody{display:none}
.pcard.locked .plock{display:flex;flex-direction:column;align-items:flex-start;gap:8px;color:var(--muted);font-size:14px;padding:4px 0}
.pcard.locked .plock svg{color:var(--pro)}
.pcard.locked .plock p{margin:0;max-width:520px}
.pcard.locked h2{color:var(--muted)}

/* tables */
.tw{overflow-x:auto}
table.ct{width:100%;border-collapse:collapse;font-size:13.5px}
.ct th{font-size:12px;font-weight:700;color:var(--muted);text-align:right;padding:6px 8px;border-bottom:1px solid var(--line);white-space:nowrap}
.ct td{padding:7px 8px;border-bottom:1px solid var(--rule);text-align:right;white-space:nowrap;vertical-align:middle}
.ct .l{text-align:left}
.ct td.l{white-space:normal}
.ct tr.gv td{font-weight:700}
.ct tr.tot td{border-top:1px solid var(--line);font-weight:700}
.ct .sub{display:block;font-size:11.5px;color:var(--dim);font-weight:400;white-space:normal}
.ck td:first-child{font-weight:600}
.ct .yes{color:var(--green-t);font-weight:700}
.ct .no{color:var(--red-t);font-weight:700}
.ct .na{color:var(--dim)}
.mini{display:inline-block;width:56px;height:6px;border-radius:3px;background:var(--line);vertical-align:middle;margin-right:8px;overflow:hidden}
.mini i{display:block;height:100%;background:var(--green);border-radius:3px}
.mini.over i{background:var(--red)}
.gtag{display:inline-block;margin-left:6px;font-size:11px;font-weight:700;color:var(--accent);background:var(--md1-bg);border-radius:5px;padding:1px 6px;vertical-align:1px}
.kv{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 12px;font-size:13.5px;margin:10px 0 0;padding-top:10px;border-top:1px solid var(--rule)}
.kv dt{color:var(--muted)}
.kv dd{margin:0;text-align:right;font-weight:600;white-space:nowrap}
.note{font-size:12.5px;color:var(--dim);margin:8px 0 0}
.subh{font-size:13px;font-weight:700;color:var(--text-2);margin:14px 0 4px}

footer.ft{max-width:1220px;margin:26px auto 30px;padding:0 28px;color:var(--dim);font-size:13px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:120;background:var(--panel);border:1px solid var(--accent);border-radius:10px;padding:10px 14px;box-shadow:0 18px 40px -18px rgba(0,0,0,.7);font-size:14px;max-width:calc(100vw - 32px)}
.mbar{display:none}

/* ===================== rigging calculator ===================== */
.inputs{display:flex;flex-direction:column;gap:14px;position:relative}
/* Free: catches clicks on the disabled inputs and explains why they are locked */
.lockov{display:none;position:absolute;inset:0;z-index:5;cursor:not-allowed;border-radius:12px}
body.p-free .lockov{display:block}
.f.edger{max-width:420px}
.cmp-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
/* plan switch (demo only: on the site the plan comes from the account) */
.seg.plan{padding:2px}
.seg.plan button{padding:5px 10px;font-size:12.5px}
.seg.plan button[data-p="pro"][aria-pressed="true"]{color:var(--pro);background:var(--pro-bg);box-shadow:0 0 0 1px var(--pro-b)}
.seg.plan button[data-p="hobby"][aria-pressed="true"]{color:var(--accent)}
.planlbl{font-size:12px;color:var(--dim);white-space:nowrap}
/* plan banner (as on the live load page) */
.pban{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:0 0 16px;padding:10px 14px;border:1px solid var(--tag-y-b);background:var(--tag-y-bg);border-radius:10px;font-size:14px;color:var(--text-2)}
.pban b{color:var(--tag-y)}
.pban span{flex:1 1 320px}
body.p-pro .pban{border-color:var(--pro-b);background:var(--pro-bg)}
body.p-pro .pban b{color:var(--pro)}
.ex-tag{display:inline-flex;align-items:center;gap:5px;height:22px;padding:0 8px;border-radius:5px;font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--tag-y);background:var(--tag-y-bg);border:1px solid var(--tag-y-b)}
.ex-tag svg{width:12px;height:12px}
body:not(.p-free) .ex-tag{display:none}
/* input groups */
.grp{display:flex;flex-direction:column;gap:10px;padding-top:14px;border-top:1px solid var(--rule)}
.grp.first{border-top:0;padding-top:0}
.grp>h3{display:flex;align-items:center;gap:8px}
.grp>h3 .num{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--md1-bg);color:var(--md1-t);font-size:12px}
.row2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;align-items:start}
.row3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;align-items:start}
.row4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;align-items:start}
.seg.wide{display:flex;flex-wrap:wrap;width:100%}
.seg.wide button{flex:1 1 auto;justify-content:center}
.seg.typ{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));width:100%}
.seg.typ button{flex-direction:column;gap:3px;padding:7px 4px;white-space:normal;text-align:center;line-height:1.2;font-size:12.5px;min-height:62px;justify-content:center}
.seg.typ svg{width:40px;height:20px}
.seg button:disabled{opacity:.45;cursor:not-allowed}
.seg.legs button{min-width:44px;justify-content:center}
.unit{display:flex;gap:8px;align-items:stretch}
.unit .suf{flex:1;min-width:0}
.unit .seg{flex:none}
.lk-inline{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--accent);text-decoration:none}
.lk-inline:hover{text-decoration:underline}
.ckb{display:flex;gap:8px;align-items:flex-start;font-size:13.5px;color:var(--text-2);cursor:pointer;line-height:1.35}
.ckb input{width:18px;height:18px;margin:1px 0 0;flex:none;accent-color:var(--primary)}
.rad{display:flex;flex-direction:column;gap:6px}
.rad label{display:flex;gap:8px;align-items:flex-start;font-size:13.5px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;cursor:pointer;background:var(--card-2)}
.rad label:has(input:checked){border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.rad input{margin:2px 0 0;accent-color:var(--primary)}
.subbox{border:1px solid var(--line);border-radius:10px;background:var(--card-2);padding:12px;display:flex;flex-direction:column;gap:10px}
.subbox.locked{border-style:dashed}
.lockrow{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;flex-wrap:wrap}
.lockrow svg{color:var(--pro);flex:none}
.derived{font-size:12.5px;color:var(--muted);margin:0}
.derived b{color:var(--text)}
fieldset.plain{border:0;margin:0;padding:0;min-width:0;display:flex;flex-direction:column;gap:14px}
fieldset.plain:disabled .seg button,fieldset.plain:disabled .ckb,fieldset.plain:disabled .rad label{cursor:not-allowed}
/* drawing */
.fig{border:1px solid var(--line);border-radius:10px;background:var(--card-2)}
.fig svg{display:block;width:100%;height:auto;max-height:330px}
.dg-hook{fill:none;stroke:var(--text-2);stroke-width:3;stroke-linecap:round}
.dg-ring{fill:none;stroke:var(--text-2);stroke-width:3}
.dg-leg{fill:none;stroke-width:3.2;stroke-linecap:round;stroke:var(--accent)}
.dg-leg.ok{stroke:var(--green)}.dg-leg.bad{stroke:var(--red)}
.dg-leg.idle{stroke:var(--dim);stroke-dasharray:6 5;stroke-width:2.2}
.dg-leg.back{opacity:.55;stroke-dasharray:7 5}
.dg-load{fill:var(--md1-bg);stroke:var(--text-2);stroke-width:1.6}
.dg-gnd{stroke:var(--line);stroke-width:1}
.dg-vert{stroke:var(--dim);stroke-width:1;stroke-dasharray:4 4}
.dg-arc{fill:none;stroke:var(--tag-y);stroke-width:1.6}
.dg-dim{stroke:var(--dim);stroke-width:1;fill:none}
.dg-t{font:600 13px 'Segoe UI',system-ui,sans-serif;fill:var(--text)}
.dg-s{font:12px 'Segoe UI',system-ui,sans-serif;fill:var(--muted)}
.dg-b{font:700 13px 'Segoe UI',system-ui,sans-serif;fill:var(--tag-y)}
.dg-tb{fill:var(--card-2);stroke:var(--line);stroke-width:1}
/* text halo: labels stay legible where they cross a leg or the vertical */
.dg-t,.dg-s,.dg-b{paint-order:stroke;stroke:var(--card-2);stroke-width:3.5px;stroke-linejoin:round}
.dg-bp{fill:var(--dim)}
.dg-cog1{fill:var(--text)}.dg-cog2{fill:var(--card-2)}.dg-cogc{fill:none;stroke:var(--text);stroke-width:1.6}
.dg-w{stroke:var(--red);stroke-width:2.4;fill:none}.dg-wh{fill:var(--red)}
.dg-choke{fill:none;stroke-width:3;stroke:var(--accent)}
.dg-choke.ok{stroke:var(--green)}.dg-choke.bad{stroke:var(--red)}
.dg-sh{fill:none;stroke:var(--text-2);stroke-width:2}
.legend{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:12px;color:var(--dim);margin-top:8px}
.legend i{display:inline-block;width:14px;height:3px;border-radius:2px;margin-right:5px;vertical-align:3px;background:var(--green)}
.legend i.bad{background:var(--red)}.legend i.idle{background:repeating-linear-gradient(90deg,var(--dim) 0 5px,transparent 5px 8px)}
/* result card extras */
.ures{display:flex;flex-direction:column;gap:6px;font-size:13.5px}
.ures .ur{display:grid;grid-template-columns:minmax(0,1fr) 64px 50px;gap:8px;align-items:center}
.ures .ur .mini{width:100%;margin:0}
.ures .ur b{text-align:right;white-space:nowrap}
.ures .ur.gv span{font-weight:700;color:var(--text)}
.legt{width:100%;border-collapse:collapse;font-size:13.5px}
.legt th{font-size:11.5px;color:var(--muted);font-weight:700;text-align:right;padding:4px 6px;border-bottom:1px solid var(--line)}
.legt td{padding:5px 6px;text-align:right;border-bottom:1px solid var(--rule);white-space:nowrap}
.legt .l{text-align:left}
.legt tr.idle td{color:var(--dim)}
.legt .yes{color:var(--green-t);font-weight:700}.legt .no{color:var(--red-t);font-weight:700}
.lockline{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px dashed var(--pro-b);border-radius:8px;font-size:13px;color:var(--muted)}
.lockline svg{color:var(--pro);flex:none}
.wn.info{background:var(--md1-bg);border-color:rgba(79,142,247,.3)}
.wn.info svg{color:var(--accent)}
html[data-theme="light"] .wn.info{border-color:rgba(37,99,235,.25)}
/* locked Pro cards: blurred skeleton + lock, as on the live page */
.skel{display:flex;flex-direction:column;gap:9px;margin:4px 0 14px;filter:blur(2px);opacity:.6}
.skel i{display:block;height:9px;border-radius:5px;background:var(--line)}
.skel i:nth-child(2){width:82%}.skel i:nth-child(3){width:64%}.skel i:nth-child(4){width:74%}
.pcard:not(.locked) .skel{display:none}
.pc-h{flex-wrap:wrap}
body.p-pro .pc-h .ptag{display:none}
/* formulas */
.steps{display:flex;flex-direction:column;font-size:13.5px}
.steps .st{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1.5fr) auto;gap:10px;padding:7px 0;border-bottom:1px solid var(--rule);align-items:baseline}
.steps .st .k{color:var(--muted)}
.steps .st .sf{font-family:'Cambria Math','Segoe UI',serif;color:var(--text-2);overflow-wrap:anywhere}
.steps .st .v{font-weight:700;text-align:right;white-space:nowrap}
.steps .st .v.wr{white-space:normal}
.steps .st.gv .v{color:var(--tag-y)}
.steps h4{margin:12px 0 2px;font-size:12px;color:var(--text-2);text-transform:uppercase;letter-spacing:.04em}
/* CoG tool */
.cogt{width:100%;border-collapse:collapse;font-size:13.5px}
.cogt th{font-size:11.5px;color:var(--muted);text-align:left;font-weight:700;padding:4px;border-bottom:1px solid var(--line)}
.cogt td{padding:4px;border-bottom:1px solid var(--rule)}
.cogt th:first-child{width:36%}.cogt th:last-child{width:40px}
.cogt input{height:36px;width:100%;min-width:0;border:1px solid var(--border);background:var(--panel);border-radius:6px;padding:0 8px}
.cogt td.n input{text-align:right}
.cogres{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:10px 0 0}
.cogres div{background:var(--card-2);border:1px solid var(--line);border-radius:8px;padding:8px 10px;min-width:0}
.cogres span{display:block;font-size:11.5px;color:var(--muted)}
.cogres b{font-size:16px}
.helper{display:grid;grid-template-columns:minmax(0,1.3fr) repeat(3,minmax(0,1fr)) auto;gap:8px;align-items:end;margin-top:10px;padding:10px;border:1px dashed var(--line);border-radius:8px}
.helper .btn{min-height:40px}
.tbtns{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.tbtns .btn{min-height:38px;font-size:13.5px;white-space:normal;text-align:center;line-height:1.2}
.fourt td,.fourt th{text-align:right}
/* report preview: a sheet of paper on screen; the same markup goes to print */
.sheetwrap{margin-top:12px}
.sheet{background:#fff;color:#111;border-radius:6px;box-shadow:0 10px 30px -12px rgba(0,0,0,.6);padding:28px 32px;max-width:860px;margin:0 auto;font-size:12.5px;line-height:1.4;overflow-wrap:break-word}
.sheet h1{font-size:20px;margin:0;line-height:1.2}
.sheet h2{font-size:13.5px;margin:14px 0 5px;padding-bottom:2px;border-bottom:1px solid #000}
.sheet .rh{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;border-bottom:2px solid #000;padding-bottom:6px;margin-bottom:6px;flex-wrap:wrap}
.sheet .rm{text-align:right;font-size:11.5px}
.sheet table{width:100%;border-collapse:collapse;margin:2px 0}
.sheet th,.sheet td{padding:3px 5px;border-bottom:1px solid #ccc;text-align:left;vertical-align:top}
.sheet th{border-bottom:1px solid #000;font-size:11.5px}
.sheet td.n,.sheet th.n{text-align:right;white-space:nowrap}
.sheet td.v{text-align:right}
.sheet table.kvt td:first-child{width:46%}
.sheet .verd{border:2px solid #000;padding:8px 12px;margin:8px 0;font-size:15px;font-weight:700}
.sheet .verd.bad{border-color:#b91c1c;color:#b91c1c}
.sheet .verd.ok{border-color:#047857;color:#065f46}
.sheet .two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;align-items:start}
.sheet .figp svg{width:100%;height:auto;max-height:300px}
.sheet .fx{font-family:'Cambria Math','Segoe UI',serif}
.sheet .wnp{border-left:3px solid #000;padding-left:8px;margin:4px 0}
.sheet .wnp.bad{border-left-color:#b91c1c}
.sheet ol,.sheet ul{margin:2px 0;padding-left:18px}
.sheet .small{font-size:11px;color:#333}
.sheet .sig{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:22px}
.sheet .sig div{border-top:1px solid #000;padding-top:4px;font-size:11px;min-height:46px}
.sheet .dg-hook,.sheet .dg-ring,.sheet .dg-sh{stroke:#111}
.sheet .dg-load{fill:#eef2f7;stroke:#111}
.sheet .dg-t{fill:#111}.sheet .dg-s{fill:#333}.sheet .dg-b{fill:#7a4a00}
.sheet .dg-t,.sheet .dg-s,.sheet .dg-b{stroke:#fff}
.sheet .dg-bp{fill:#777}
/* on screen a wide sheet table scrolls inside the sheet, never the page */
.sheet .stw{overflow-x:auto;max-width:100%}
.sheet .dg-tb{fill:#fff;stroke:#999}
.sheet .dg-cog1{fill:#111}.sheet .dg-cog2{fill:#fff}.sheet .dg-cogc{stroke:#111}
.sheet .dg-leg.ok,.sheet .dg-choke.ok{stroke:#047857}.sheet .dg-leg.bad,.sheet .dg-choke.bad{stroke:#b91c1c}
.sheet .dg-leg.idle{stroke:#777}
.sheet .dg-vert,.sheet .dg-dim{stroke:#777}.sheet .dg-arc{stroke:#a16207}
.sheet .dg-gnd{stroke:#bbb}
.sheet .dg-w{stroke:#b91c1c}.sheet .dg-wh{fill:#b91c1c}
.repf{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:6px}
/* self-test */
.stp{margin-top:24px}
.stp .tw{max-height:520px;overflow:auto}
.stp table{width:100%;border-collapse:collapse;font-size:12.5px}
.stp td,.stp th{padding:4px 6px;border-bottom:1px solid var(--rule);text-align:left;vertical-align:top}
.stp .pass{color:var(--green-t);font-weight:700}.stp .fail{color:var(--red-t);font-weight:700}
.stsum{font-size:15px;font-weight:700;margin:6px 0}
.ftl{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.ftl button{border:0;background:none;color:var(--accent);cursor:pointer;padding:0;font-size:13px}
.report{display:none}

/* ===== breakpoints ===== */
@media (max-width:1180px){.grid{grid-template-columns:minmax(0,1fr) 340px}}
@media (max-width:1100px){.seg.typ{grid-template-columns:repeat(3,minmax(0,1fr))}.helper{grid-template-columns:repeat(2,minmax(0,1fr))}.helper .hn{grid-column:1 / -1}}
@media (max-width:960px){
  .grid{grid-template-columns:minmax(0,1fr)}
  .result{position:static}
  .pgrid2{grid-template-columns:minmax(0,1fr)}
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
  .mbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;min-height:56px;padding:8px 16px calc(8px + env(safe-area-inset-bottom));align-items:center;gap:10px;background:var(--nav-bg);border-top:1px solid var(--nav-b);font-size:14px}
  .mbar .mv{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .mbar .mv b.ok{color:var(--green-t)}.mbar .mv b.bad{color:var(--red-t)}
  body.res-vis .mbar{display:none}
  body.res-vis{padding-bottom:0}
}
@media (max-width:1100px){.nl{display:none}}
@media (max-width:960px){.nav-t{display:none}.planlbl{display:none}}
@media (max-width:760px){.nav{padding:0 16px;gap:8px}}
@media (max-width:600px){
  .wrap{padding:0 16px}
  .hero::before{inset:0 -16px}
  footer.ft{padding:0 16px}
  .tag.demo{display:none}
  h1{font-size:21px}
  .card{padding:16px 14px}
  .row2{grid-template-columns:minmax(0,1fr)}
  .row3,.row4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .row3>.full,.row4>.full{grid-column:1 / -1}
  .seg.typ{grid-template-columns:repeat(2,minmax(0,1fr))}
  .seg.typ button:last-child{grid-column:1 / -1}
  .f input,.f select{height:46px;font-size:16px}
  .cogt thead{display:none}
  .cogt,.cogt tbody{display:block}
  .cogt tr{display:grid;grid-template-columns:repeat(4,minmax(0,1fr)) 44px;gap:6px;padding:8px 0;border-bottom:1px solid var(--rule)}
  .cogt td{display:block;border:0;padding:0}
  .cogt td.nm{grid-column:1 / 5}
  .cogt td.del{grid-column:5;grid-row:1}
  .cogt td[data-l]::before{content:attr(data-l);display:block;font-size:11px;color:var(--dim);font-weight:600}
  .cogres{grid-template-columns:repeat(2,minmax(0,1fr))}
  .helper{grid-template-columns:repeat(2,minmax(0,1fr))}
  .repf{grid-template-columns:minmax(0,1fr)}
  .steps .st{grid-template-columns:minmax(0,1fr) auto}
  .steps .st .sf{grid-column:1 / -1;grid-row:2}
  .sheet{padding:16px 14px}
  .sheet .two{grid-template-columns:minmax(0,1fr)}
  .sheet .sig{grid-template-columns:minmax(0,1fr)}
  .fourt th,.fourt td{padding:5px 3px;font-size:12.5px}
}
@media (max-width:400px){
  .nb{padding:0 8px}
  .seg.plan button{padding:5px 6px;font-size:12px}
  .logo{font-size:16px}
  .rbtns{grid-template-columns:minmax(0,1fr)}
  .legt th,.legt td{padding:4px 3px}
  .ures .ur{grid-template-columns:minmax(0,1fr) 48px 46px}
}
@media (max-width:350px){
  .logo span{display:none}
  .nav{padding:0 10px;gap:6px}
  .nr{gap:4px}
  .seg.plan button{padding:4px 5px;font-size:11.5px}
  select.nb{padding:0 3px;width:46px}
  .nb.theme{width:30px;height:30px}
}
/* phone screen: the plan sheet drops the "vertical reaction" and "horizontal force" columns (they stay in print) */
@media screen and (max-width:600px){.sheet .opt{display:none}.sheet td.n{white-space:normal}}
@media (pointer:coarse){.ib{min-width:44px;min-height:44px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* ===== print: only the lifting plan ===== */
@media print{
  @page{size:A4;margin:12mm 12mm 14mm}
  :root,html[data-theme]{color-scheme:light}
  html,body{background:#fff!important;color:#000!important}
  body{padding:0!important}
  .nav,main,footer.ft,.mbar,#toastHost,.skip,.stp{display:none!important}
  .report{display:block!important}
  .report .sheet{box-shadow:none;padding:0;max-width:none;border-radius:0}
  .report .sheet .stw{overflow:visible}
  .report .sheet .opt{display:table-cell}
  .report .sheet h1{font-size:15pt}
  .report .sheet h2{font-size:10.5pt;break-after:avoid}
  .report table,.report .two,.report .keep,.report .sig{break-inside:avoid}
  .report tr{break-inside:avoid}
  .report .sheet th,.report .sheet td{padding:1.5px 4px}
  .report .sheet{font-size:8.8pt;line-height:1.3}
  .report .sheet h2{margin:8px 0 3px}
  .report .sheet .figp svg{max-height:62mm}
  .report .sheet .verd{padding:4px 10px;margin:5px 0;font-size:11pt}
  .report .sheet .sig{margin-top:14px}
}
/* sling marked for 60° (art. 69): checkbox with its note under it */
#markBox{display:flex;flex-direction:column;gap:3px}
#markBox[hidden]{display:none}
#markBox .hint{padding-left:26px}
/* rules of use */
.f.rules{max-width:420px}
.rrule{display:block;margin-top:2px}
.rrule b{color:var(--text-2);font-weight:600}

/* weight origin / reserve line in the result header */
#resW:empty{display:none}
/* sling passport form (Pro) and its printed table; signature grid for 4 (Bulgaria) or 5 (Europe / UK) roles */
.repf.pass{grid-template-columns:repeat(5,minmax(0,1fr))}
#rpPassT{margin-top:10px}
.sheet .dots{display:inline-block;min-width:120px;color:#555;letter-spacing:1px}
.sheet table.pass td:first-child{width:38%}
.sheet .sig.s4{grid-template-columns:repeat(2,minmax(0,1fr))}
.sheet .sig.s5{grid-template-columns:repeat(6,minmax(0,1fr))}
.sheet .sig.s5 div{grid-column:span 2}
.sheet .sig.s5 div:nth-child(4),.sheet .sig.s5 div:nth-child(5){grid-column:span 3}
.sheet .roles{margin:8px 0 0}
@media (max-width:1100px){.repf.pass{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:600px){.repf.pass{grid-template-columns:minmax(0,1fr)}.sheet .sig.s4,.sheet .sig.s5{grid-template-columns:minmax(0,1fr)}.sheet .sig.s5 div,.sheet .sig.s5 div:nth-child(4),.sheet .sig.s5 div:nth-child(5){grid-column:auto}}
@media print{.report .sheet .sig.s5{grid-template-columns:repeat(6,minmax(0,1fr))}.report .sheet .sig.s5 div{grid-column:span 2}.report .sheet .sig.s5 div:nth-child(4),.report .sheet .sig.s5 div:nth-child(5){grid-column:span 3}.report .sheet .sig.s4{grid-template-columns:repeat(2,minmax(0,1fr))}}
/* the condition line under the result (always shown, also in Free) and the inspection tick box in the lifting plan */
.cond{margin:12px 0 0;padding:8px 10px;border-left:3px solid var(--dim);line-height:1.45}
.sheet .insp{margin:16px 0 0;font-size:12px}
.sheet .insp .box{font-size:15px;margin-right:4px}

/* ===== сайтът (frontend/rig.html, ENABLE_RIG): лентата на потребителя, плановете, примерът. Всичко по-долу е само за body.rcs (страницата
   на сайта) или за елементите на черупката, затова демото изглежда както преди. html[data-rcm] = ex (примерът, заключен) | load (вход с
   Pro, Pro скриптът идва) | hobby (проверка на сървъра) | pro (Pro скриптът) — като калкулатора за товароносимост (load.css). ===== */
.rcs{--free:#94a3b8;--hob:#a78bfa;--life:#f59e0b;--lc:#f97316;--lc-bg:rgba(249,115,22,.1);--lc-b:rgba(249,115,22,.38)}
/* --lc (only .rcnote b, 14px bold) is darker than the beam's #c2410c: 5.1:1 on the note's tinted background, WCAG AA (#c2410c was 4.2:1) */
html[data-theme="light"] .rcs{--free:#5b6473;--hob:#6b46d6;--life:#b45309;--lc:#ad3a0b;--lc-bg:rgba(194,65,12,.07);--lc-b:rgba(194,65,12,.32)}
.rcs .gcol{display:flex;flex-direction:column;gap:24px;min-width:0}
.rcs .logo .lg-i{color:inherit}
.rcs .nl .n2 i{background:var(--pro)}
.rcs .lsw{display:flex;gap:4px}
.rcs .lsw a{display:inline-flex;align-items:center;height:34px;padding:0 9px;border-radius:6px;border:1px solid var(--border);font-size:12.5px;font-weight:600;color:var(--dim);text-decoration:none;white-space:nowrap}
.rcs .lsw a:hover{color:var(--accent);border-color:var(--accent)}
.rcs .lsw a[aria-current]{color:var(--text);border-color:var(--accent)}
/* лентата на потребителя (като калкулатора за товароносимост): двете състояния в една клетка, заглавната лента не мърда след /api/me */
.rcs a.nb{text-decoration:none}
.rcs .nb.pri{background:var(--primary);border-color:var(--primary);color:#fff}
.rcs .nb.pri:hover{background:var(--primary-h);border-color:var(--primary-h);color:#fff}
.rcs .who{position:relative;display:grid;align-items:center;justify-items:end}
.rcs .who>.who-a,.rcs .who>.acct{grid-area:1/1}
.rcs .who-a{display:flex;align-items:center;gap:8px}
.rcs .acct::after{content:"";width:6px;height:6px;margin-left:2px;border:solid currentColor;border-width:0 1.5px 1.5px 0;transform:translateY(-2px) rotate(45deg)}
.rcs .pl{display:inline-grid;font-weight:700;color:var(--accent)}
.rcs .pl>b{grid-area:1/1;font-weight:inherit;visibility:hidden}
html[data-hp="free"] .rcs .pl>.p-free,html[data-hp="hobby"] .rcs .pl>.p-hobby,html[data-hp="pro"] .rcs .pl>.p-pro,html[data-hp="life"] .rcs .pl>.p-life{visibility:visible}
.rcs .who-i{display:none}
html:is([data-hp="free"],[data-hp="hobby"],[data-hp="pro"],[data-hp="life"]) .rcs .ua,
html:not([data-hp="free"]):not([data-hp="hobby"]):not([data-hp="pro"]):not([data-hp="life"]) .rcs .ui{display:none}
.rcs .acct-m{position:absolute;top:calc(100% + 6px);right:0;z-index:61;min-width:210px;max-width:calc(100vw - 24px);margin:0;padding:6px;list-style:none;background:var(--panel);border:1px solid var(--border);border-radius:8px;box-shadow:0 14px 30px -14px rgba(0,0,0,.55)}
.rcs .acct-m a,.rcs .acct-m button{display:block;width:100%;padding:9px 12px;border:0;border-radius:6px;background:none;color:var(--text);font-size:14px;line-height:1.3;text-align:left;white-space:nowrap;cursor:pointer;text-decoration:none}
.rcs .acct-m a:hover,.rcs .acct-m button:hover{background:var(--hover)}
.rcs .acct-m .acct-who{display:flex;flex-direction:column;gap:2px;max-width:min(320px,calc(100vw - 40px));margin:0 0 6px;padding:6px 12px 10px;border-bottom:1px solid var(--rule);font-size:12.5px;line-height:1.35;color:var(--muted);cursor:default}
html:not([data-hp="free"]):not([data-hp="hobby"]):not([data-hp="pro"]):not([data-hp="life"]) .rcs .acct-m .acct-who{display:none}
.rcs .acct-em{overflow-wrap:break-word}
.rcs .acct-wp{font-size:12px;color:var(--dim)}
@media (min-width:821px){
  html:is([data-hp="free"],[data-hp="hobby"],[data-hp="pro"],[data-hp="life"]) .rcs .who>.who-a,
  html:not([data-hp="free"]):not([data-hp="hobby"]):not([data-hp="pro"]):not([data-hp="life"]) .rcs .who>.acct{visibility:hidden}
}
@media (max-width:820px){
  .rcs .who>.who-a{display:none}
  .rcs .acct{width:36px;padding:0;gap:0;justify-content:center;font-size:0}
  .rcs .acct::after{display:none}
  .rcs .who-i{display:block;position:relative;width:16px;height:16px;background:radial-gradient(circle at 50% 30%,currentColor 0 3.6px,transparent 4.2px),radial-gradient(ellipse 7px 5.5px at 50% 100%,currentColor 0 98%,transparent 100%)}
  html:is([data-hp="free"],[data-hp="hobby"],[data-hp="pro"],[data-hp="life"]) .rcs .acct{color:var(--accent)}
  html:is([data-hp="free"],[data-hp="hobby"],[data-hp="pro"],[data-hp="life"]) .rcs .who-i::after{content:"";position:absolute;top:-3px;right:-5px;width:8px;height:8px;border-radius:50%;background:var(--plan);box-shadow:0 0 0 2px var(--nav-bg)}
  html[data-hp="free"] .rcs .who-i{--plan:var(--free)}html[data-hp="hobby"] .rcs .who-i{--plan:var(--hob)}html[data-hp="pro"] .rcs .who-i{--plan:var(--green)}html[data-hp="life"] .rcs .who-i{--plan:var(--life)}
}
@media (max-width:600px){.rcs .nav{padding:0 12px;gap:8px;height:52px}.rcs .nl{display:none}.rcs .logo{font-size:16px}}
@media (max-width:380px){.rcs .nav{gap:6px}.rcs .nr{gap:4px}.rcs .lsw a{padding:0 7px}}
@media (max-width:350px){.rcs .lsw a[aria-current]{display:none}}
/* долната лента на сайта */
.rcs footer.ft .fl{display:flex;flex-wrap:wrap;gap:4px 18px;margin-bottom:10px}
.rcs footer.ft .fl a{color:var(--muted);text-decoration:none}
.rcs footer.ft .fl a:hover{color:var(--accent);text-decoration:underline}
.rcs footer.ft .fn{margin:0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 16px}
@media (max-width:600px){.rcs footer.ft{padding:0 16px}.rcs footer.ft .fl a{display:inline-block;padding:10px 0}}
/* редът за плана под заглавието: примерът (ex) или Hobby (проверка на сървъра); в Pro го няма */
.rcnote{display:none;flex-wrap:wrap;align-items:center;gap:8px 14px;margin:0 0 14px;padding:10px 14px;border:1px solid var(--lc-b);border-radius:10px;background:var(--lc-bg);font-size:14px;color:var(--text-2)}
.rcnote p{margin:0;flex:1 1 420px}
.rcnote b{color:var(--lc)}
.rcnote .lna{display:flex;gap:8px;flex-wrap:wrap}
.rcnote .lnh{display:none}
html[data-rcm="ex"] .rcnote,html[data-rcm="hobby"] .rcnote{display:flex}
html[data-rcm="hobby"] .rcnote .lnx{display:none}
html[data-rcm="hobby"] .rcnote .lnh{display:block}
html[data-rcm="hobby"] .rcnote .lna .ua{display:none}
.rcpro{display:flex;align-items:center;gap:10px;margin:0 0 14px;padding:10px 14px;border:1px solid var(--pro-b);border-radius:10px;background:var(--pro-bg);font-size:14px}
html[data-rcm="pro"] .rcpro{display:none}
/* примерът: прозрачният слой над заключените входове хваща кликовете (подканата за план); връзката към калкулатора за тегло остава над него */
.rcs #wcLink{position:relative;z-index:6}
html:is([data-rcm="ex"],[data-rcm="load"]) .rcs #inputs :is(input:not([type=radio]):not([type=checkbox]),select){background-color:var(--card-2)}
/* „Провери“ (Hobby: проверката на сървъра; примерът: подканата за план) */
.rcrun{display:flex;flex-direction:column;gap:6px}
.rcrun .btn{width:100%}
.rcrun .hint{margin:0;font-size:12.5px;color:var(--muted)}
.rcrun .rcmsg{margin:0;font-size:13px;color:var(--red-t)}
.rcrun.fresh .btn.pri{background:var(--panel);border-color:var(--border);color:var(--text)}
.rcrun.fresh .btn.pri:hover{border-color:var(--accent)}
.rcrun .btn[aria-busy="true"]{opacity:.7;cursor:progress}
.result.stale .verdict .vx{color:var(--text);font-weight:600}
html[data-rcm="pro"] .rcrun{display:none!important}
/* бутоните под резултата: „План за повдигане“ и „Формули“ един до друг, „Запази“ на свой ред */
.rcs .rbtns #saveBtn{grid-column:1 / -1}
/* заключените Pro карти и подканата към плановете */
.rcs .plock .btn,.rcs .upsell .btn{flex:none;text-decoration:none}
/* „Запазени изчисления“ (Pro) */
.saved{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.saved li{display:flex;align-items:center;gap:10px;padding:7px 0;border-bottom:1px solid var(--rule);font-size:13.5px}
.saved li .sn{flex:1;min-width:0}
.saved li .sn b{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;font-weight:600;overflow:hidden;white-space:normal;overflow-wrap:anywhere}
.saved li .sn small{display:block;color:var(--dim)}
.saved li .sv{font-weight:700;white-space:nowrap}
.saved li .sv.ok{color:var(--green-t)}.saved li .sv.bad{color:var(--red-t)}
@media (max-width:600px){.saved li{flex-wrap:wrap}.saved li .sn{flex:1 1 100%}.saved li .sv{flex:1}}
/* прозорецът за подканата и за лимита */
.rcs dialog{border:1px solid var(--border);border-radius:12px;background:var(--card);color:var(--text);padding:0;width:min(520px,calc(100vw - 32px));box-shadow:0 30px 70px -20px rgba(0,0,0,.7)}
.rcs dialog::backdrop{background:rgba(5,8,14,.55)}
.rcs .dh{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 20px 8px}
.rcs .dh h2{font-size:17px}
.rcs .db{padding:4px 20px 12px;font-size:14px}
.rcs .db p{margin:0;color:var(--text-2);line-height:1.5}
.rcs .df{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:8px;padding:12px 20px 16px;border-top:1px solid var(--rule)}
.rcs .df .btn{text-decoration:none}
.rcs .dh .ib{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--border);border-radius:8px;background:none;color:var(--dim);cursor:pointer}
.rcs .dh .ib svg{width:16px;height:16px}
@media (max-width:600px){.rcs .df .btn{flex:1 1 140px;min-height:44px}.rcnote .lna .btn{flex:1 1 140px;min-height:44px}}
/* SEO частта под калкулатора (rig_page.SEO: как се проверява, правилата за употреба, въпросите) — като #mc-seo на калкулатора за тегло */
#rc-seo{margin-top:28px;color:var(--text-2)}
#rc-seo h2{font-size:19px;margin:28px 0 10px;color:var(--text)}
#rc-seo p{line-height:1.55;max-width:900px;margin:0 0 10px}
#rc-seo details{border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:8px 0;background:var(--card);max-width:900px}
#rc-seo summary{cursor:pointer;font-weight:650;color:var(--text)}
#rc-seo details[open] summary{margin-bottom:6px}
#rc-seo details p{margin:0}