.nm-wrap{max-width:1120px}.nm-eyebrow{letter-spacing:.4px;color:var(--steel);margin-bottom:6px;font-size:12.5px;font-weight:600}.nm-wrap h1{margin-bottom:8px;font-size:clamp(20px,5vw,27px);font-weight:700;line-height:1.3}.nm-lead{color:var(--muted);margin-bottom:14px;font-size:14px}.nm-disclaimer{background:var(--amber-light);border-inline-start:4px solid var(--amber);color:#7a5310;border-radius:10px;margin-bottom:14px;padding:9px 14px;font-size:12.5px}.nm-selftest{border-radius:8px;margin-bottom:14px;padding:4px 9px;font-size:12px;font-weight:700;display:inline-block}.nm-selftest.ok{background:var(--comp-light);color:var(--comp-dark,#0f6e56)}.nm-selftest.bad{background:var(--ten-light);color:var(--ten)}.nm-main-grid{grid-template-columns:360px 1fr;align-items:start;gap:18px;display:grid}@media (max-width:860px){.nm-main-grid{grid-template-columns:1fr}}.nm-in h2{color:var(--steel-dark);border-bottom:1px solid var(--line);align-items:center;gap:7px;margin-bottom:12px;padding-bottom:8px;font-size:14px;font-weight:700;display:flex}.nm-sec-lbl{color:var(--steel-dark);background:var(--steel-light);border-inline-start:3px solid var(--steel);border-radius:9px;margin:16px 0 9px;padding:6px 11px;font-size:11.5px;font-weight:700}.nm-shape-tabs{grid-template-columns:1fr 1fr 1fr;gap:8px;display:grid}.nm-shape-tab{border:2px solid var(--line);text-align:center;cursor:pointer;color:var(--muted);background:var(--card);border-radius:12px;flex-direction:column;align-items:center;gap:5px;padding:9px 4px 7px;font-family:inherit;font-size:12px;font-weight:600;transition:all .15s;display:flex}.nm-shape-tab.on{border-color:var(--steel);background:var(--steel-light);color:var(--steel-dark)}.nm-shape-tab svg{width:42px;height:42px}.nm-cover-stack{background:var(--steel-light);border:1.5px solid #c9dcf1;border-radius:11px;flex-direction:column;margin-top:6px;padding:2px 12px;display:flex}.nm-cover-stack .nm-cov-row{color:var(--steel-dark);border-top:1px dashed #cbdcef;flex-direction:row;justify-content:space-between;align-items:center;gap:12px;padding:9px 0;font-size:11.5px;font-weight:600;display:flex}.nm-cover-stack .nm-cov-row:first-child{border-top:none}.nm-cover-stack .nm-cov-row>span{color:var(--steel-dark);flex:1;min-width:0;font-size:12.5px;font-weight:700}.nm-cover-stack .nm-cov-row>select{background:#fff;border:1.5px solid #bcd3ec;border-radius:8px;outline:none;flex:none;width:155px;padding:7px 9px;font-family:inherit;font-size:13.5px;font-weight:700}.nm-cover-stack .nm-cov-row>input{text-align:center;background:#fff;border:1.5px solid #bcd3ec;border-radius:8px;outline:none;flex:none;width:100px;padding:7px 9px;font-family:inherit;font-size:13.5px;font-weight:700}.nm-cover-stack .nm-cov-row>input:focus,.nm-cover-stack .nm-cov-row>select:focus{border-color:var(--steel)}.nm-cover-stack .nm-cov-row>input[readonly]{background:var(--surface);color:var(--steel-dark);font-weight:700}.nm-cover-stack .nm-cov-row>.nm-seg{flex:none;width:auto}.nm-cover-stack .nm-cov-row.wide{flex-direction:column;align-items:stretch;gap:5px}.nm-cover-stack .nm-cov-row.wide>span{flex:none}.nm-cover-stack .nm-cov-row.wide>select,.nm-cover-stack .nm-cov-row.wide>input{width:100%}.nm-cover-stack .num-row{border-top:1px dashed #cbdcef;flex-direction:row;justify-content:space-between;align-items:center;gap:12px;margin:0;padding:9px 0;display:flex}.nm-cover-stack>div:first-child,.nm-cover-stack>.num-row:first-child{border-top:none}.nm-cover-stack .nm-cov-row{border-top:1px dashed #cbdcef}.nm-cover-stack>:first-child{border-top:none!important}.nm-cover-stack .num-row>label{min-width:0;color:var(--steel-dark);flex:1;margin:0;font-size:12.5px;font-weight:700}.nm-cover-stack .num-row>input{text-align:center;background:#fff;border:1.5px solid #bcd3ec;border-radius:8px;outline:none;flex:none;width:100px;padding:7px 9px;font-family:inherit;font-size:13.5px;font-weight:700}.nm-cover-stack .num-row>input:focus{border-color:var(--steel)}.nm-seg{border:1.5px solid var(--line);border-radius:8px;display:flex;overflow:hidden}.nm-seg button{background:var(--card);cursor:pointer;color:var(--muted);border:none;flex:1;padding:6px 4px;font-family:inherit;font-size:11.5px}.nm-seg button+button{border-inline-start:1px solid var(--line)}.nm-seg button.on{background:var(--steel);color:#fff;font-weight:700}.nm-autobtn{border:1px solid var(--comp);background:var(--comp-light);width:100%;color:var(--comp-dark,#0f6e56);cursor:pointer;border-radius:9px;margin-top:8px;padding:9px;font-family:inherit;font-size:12.5px;font-weight:700}.nm-autobtn:hover{background:var(--comp);color:#fff}.nm-autobtn:disabled{opacity:.6;cursor:wait}.nm-calc-btn{background:linear-gradient(180deg,var(--steel),var(--steel-dark));color:#fff;cursor:pointer;border:none;border-radius:11px;width:100%;margin-top:16px;padding:13px;font-family:inherit;font-size:15px;font-weight:700;box-shadow:0 3px 10px #1c4f8740}.nm-calc-btn:hover{filter:brightness(1.07)}.nm-preview{background:var(--card);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;padding:14px;box-shadow:0 1px 3px #1428500a}.nm-preview h3{color:var(--muted);text-align:center;margin-bottom:6px;font-size:12.5px;font-weight:700}.nm-verdict{text-align:center;border-radius:13px;margin-bottom:14px;padding:14px 16px;font-size:15px;font-weight:700;box-shadow:0 2px 8px #1428500f}.nm-verdict.ok{background:var(--comp-light);color:var(--comp-dark,#0f6e56)}.nm-verdict.fail{background:var(--danger-light);color:var(--danger)}.nm-verdict .u{opacity:.85;margin-top:3px;font-size:13px;font-weight:600;display:block}.nm-placeholder{background:var(--card);border:1px dashed var(--line);text-align:center;color:var(--faint);border-radius:16px;padding:48px 18px;font-size:14px}.nm-cardbox{background:var(--card);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;padding:15px;box-shadow:0 1px 3px #1428500a}.nm-cardbox h3{color:var(--steel-dark);align-items:center;gap:7px;margin-bottom:9px;font-size:13px;font-weight:700;display:flex}.nm-cardbox h3.nm-h3row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.nm-cardbox h3.nm-h3row>span:first-of-type{flex:1}.nm-cardbox p.nm-cardlead{color:var(--muted);margin:0 0 6px;font-size:12.5px}.nm-axtoggle{border:1.5px solid var(--line);border-radius:9px;gap:0;margin-bottom:10px;display:flex;overflow:hidden}.nm-axtoggle button{background:var(--card);cursor:pointer;color:var(--muted);border:none;flex:1;padding:8px 4px;font-family:inherit;font-size:12px;font-weight:600}.nm-axtoggle button+button{border-inline-start:1px solid var(--line)}.nm-axtoggle button.on{background:var(--steel);color:#fff;font-weight:700}.nm-chips{flex-wrap:wrap;gap:7px;margin-top:9px;display:flex}.nm-chip{background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:5px 10px;font-size:12px}.nm-chip b{color:var(--steel-dark);font-family:IBM Plex Mono,monospace}.nm-chip.ok{background:var(--comp-light);border-color:var(--comp)}.nm-chip.bad{background:var(--danger-light);border-color:var(--danger)}.nm-chip.warn{background:var(--amber-light);border-color:var(--amber)}.nm-note{color:var(--faint);margin-top:8px;font-size:12px}.nm-bar-count{color:var(--steel-dark);margin:10px 0 4px;font-size:11.5px;font-weight:700}.nm-bartable-scroll{max-height:230px;overflow:auto}.nm-bartable{border-collapse:collapse;width:100%;font-size:11.5px}.nm-bartable th{background:var(--surface);color:var(--muted);text-align:start;border-bottom:1px solid var(--line);padding:4px 6px;font-weight:600;position:sticky;top:0}.nm-bartable td{border-bottom:1px solid var(--line);padding:3px 6px}.nm-bartable td:first-child{color:var(--steel-dark);font-family:IBM Plex Mono,monospace;font-weight:700}.nm-bartable select{border:1px solid var(--line);background:#fff;border-radius:6px;padding:3px 5px;font-family:inherit;font-size:12px}.nm-bartable button{border:1px solid var(--line);cursor:pointer;color:var(--danger);background:#fff;border-radius:6px;padding:1px 8px;font-size:12px}.nm-bartable tr.off td{opacity:.45}.nm-bartable tr.off button{color:var(--comp-dark,#0f6e56)}.nm-grade-tag{color:var(--steel);background:var(--steel-light);border:1px solid var(--steel);border-radius:4px;margin-inline-start:4px;padding:0 3px;font-size:9px;font-weight:700;display:inline-block}.nm-bar-dlg{z-index:400;background:var(--card);border:1px solid var(--line);border-radius:12px;width:220px;padding:13px;position:fixed;box-shadow:0 10px 30px #14285038}.nm-bar-dlg h4{color:var(--steel-dark);margin:0 0 8px;font-size:13px;font-weight:700}.nm-bar-dlg .nm-dlg-lbl{color:var(--muted);margin:8px 0 3px;font-size:11px;font-weight:600;display:block}.nm-bar-dlg select{border:1px solid var(--line);background:#fff;border-radius:7px;width:100%;padding:6px 7px;font-family:inherit;font-size:12.5px}.nm-bar-dlg .nm-dlg-row{gap:7px;margin-top:12px;display:flex}.nm-bar-dlg button{cursor:pointer;border-radius:8px;padding:8px;font-family:inherit;font-size:12px;font-weight:700}.nm-bar-dlg .nm-dlg-ok{background:var(--steel);color:#fff;border:none;flex:1}.nm-bar-dlg .nm-dlg-del{background:var(--danger-light);color:var(--danger);border:1px solid var(--danger);flex:1}.nm-bar-dlg .nm-dlg-cancel{background:var(--surface);width:100%;color:var(--muted);border:1px solid var(--line);margin-top:7px}.nm-wrap svg{width:100%;height:auto;display:block}.nm-secsvg{max-width:500px;margin:0 auto}.nm-dwrap{max-width:480px;margin:0 auto}.nm-cwrap{max-width:483px;margin:4px auto}.nm-illus{max-width:330px;margin:8px auto}.nm-outunit-bar{justify-content:flex-end;align-items:center;gap:8px;margin-bottom:10px;display:flex}.nm-outunit-bar>span{color:var(--muted);font-size:12px}.nm-outunit-bar .nm-seg{width:120px}.nm-ovbtn{cursor:pointer;border:1.5px solid var(--line);color:var(--muted);background:#fff;border-radius:8px;padding:4px 10px;font-family:inherit;font-size:11px;font-weight:700}.nm-ovbtn.on{border-color:var(--steel);background:var(--steel);color:#fff}.nm-ovbtn.steel.on{border-color:var(--amber);background:var(--amber);color:#fff}.nm-legend{color:var(--muted);flex-wrap:wrap;justify-content:center;gap:5px 14px;margin-top:6px;font-size:11px;display:flex}.nm-ovlegend{flex-wrap:wrap;justify-content:center;gap:5px 12px;margin-top:4px;font-size:11px;display:flex}.nm-hoverhint{color:var(--faint);text-align:center;margin-top:2px;font-size:10.5px}.nm-intercepts{color:var(--muted);text-align:center;margin-top:4px;font-size:10.5px}.nm-diag-note{color:var(--muted);margin:8px 0;font-size:12.5px}details.nm-mathbox{border:1px solid var(--line);background:var(--card);border-radius:16px;margin-top:14px;overflow:hidden;box-shadow:0 1px 3px #1428500a}details.nm-mathbox>summary{cursor:pointer;color:var(--steel-dark);background:linear-gradient(#eef5fc,#fff);align-items:center;gap:8px;padding:14px 16px;font-size:14px;font-weight:700;list-style:none;display:flex}details.nm-mathbox>summary::-webkit-details-marker{display:none}details.nm-mathbox>summary:after{content:"▾";margin-inline-start:auto;transition:all .2s}details.nm-mathbox[open]>summary:after{transform:rotate(180deg)}.nm-mathbody{padding:4px 16px 18px}.nm-mathhead{color:var(--steel-dark);margin:8px 0 0;font-size:13px;font-weight:700}.nm-mathhead.later{margin-top:18px}.nm-flow{max-width:580px;margin:8px auto 4px}.nm-fbox{border:1.5px solid var(--steel-light);border-inline-start:4px solid var(--steel);color:var(--ink);background:#fff;border-radius:10px;align-items:flex-start;gap:9px;padding:9px 12px;font-size:12.5px;display:flex}.nm-fbox .nm-fn{background:var(--steel);color:#fff;border-radius:50%;flex:none;justify-content:center;align-items:center;min-width:22px;height:22px;font-size:12px;font-weight:700;display:inline-flex}.nm-fbox.dec{border-inline-start-color:var(--amber);border-color:var(--amber-light)}.nm-fbox.dec .nm-fn{background:var(--amber)}.nm-fbox.res{border-inline-start-color:var(--comp);border-color:var(--comp-light)}.nm-fbox.res .nm-fn{background:var(--comp)}.nm-farrow{text-align:center;color:var(--steel);margin:3px 0;font-size:15px;line-height:1}.nm-mstep{border-inline-start:3px solid var(--steel);background:var(--surface);border-radius:10px;margin:13px 0;padding:11px 13px}.nm-mstep h4{color:var(--steel-dark);flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:6px;font-size:13px;display:flex}.nm-mstep .nm-num{background:var(--steel);color:#fff;border-radius:50%;flex:none;justify-content:center;align-items:center;width:22px;height:22px;font-size:12px;font-weight:700;display:inline-flex}.nm-clause{color:var(--purple);background:var(--purple-light);border-radius:999px;padding:1px 8px;font-size:10.5px;font-weight:700}.nm-mstep p{color:var(--muted);margin:4px 0;font-size:12.5px}.nm-eqn{border:1px solid var(--line);white-space:pre-wrap;color:#24323f;direction:ltr;unicode-bidi:plaintext;background:#fff;border-radius:8px;margin:7px 0;padding:9px 11px;font-family:IBM Plex Mono,Courier New,monospace;font-size:12.5px;line-height:1.85;overflow-x:auto}.nm-eqn b{color:var(--comp-dark,#0f6e56)}.nm-foot{border-top:1px solid var(--line);color:var(--faint);margin-top:30px;padding-top:14px;font-size:12px}.nm-error-box{background:var(--danger-light);border-inline-start:4px solid var(--danger);color:var(--danger);border-radius:12px;margin-bottom:12px;padding:13px 16px;font-size:13px}.nm-error-box h4{margin-bottom:7px;font-size:14px}.nm-error-box ul{margin:0;padding-inline-start:18px}.nm-error-box li{text-align:start;direction:ltr;margin-bottom:3px;font-family:IBM Plex Mono,ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.nm-error-box .nm-error-note{color:var(--muted);margin-top:8px;font-size:12px}