:root{--color-bg:#eef0f4;--color-surface:#fff;--color-ink:#232a33;--color-ink-soft:#5a6672;--color-accent:#4a8e8e;--color-accent-ink:#fff;--color-rule:#c3ccd6;--color-warn-bg:#f3e6d2;--color-warn-ink:#7c5a1e;--color-error:#8b4545;--color-min:#456e45;--color-max:#a06e35;--font-body:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;--font-mono:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;--space:1rem;--radius:4px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--color-bg:#10141a;--color-surface:#1e2632;--color-ink:#e2e8f0;--color-ink-soft:#93a3ae;--color-accent:#5a9e9e;--color-accent-ink:#0e1418;--color-rule:#303c4c;--color-warn-bg:#3a3012;--color-warn-ink:#e2b07a;--color-error:#b55a5a;--color-min:#8ab88a;--color-max:#e2b07a;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--color-bg:#10141a;--color-surface:#1e2632;--color-ink:#e2e8f0;--color-ink-soft:#93a3ae;--color-accent:#5a9e9e;--color-accent-ink:#0e1418;--color-rule:#303c4c;--color-warn-bg:#3a3012;--color-warn-ink:#e2b07a;--color-error:#b55a5a;--color-min:#8ab88a;--color-max:#e2b07a;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{background:var(--color-bg);color:var(--color-ink);font-family:var(--font-body);margin:0;line-height:1.5}.app{max-width:44rem;padding:calc(var(--space) * 1.5) var(--space) calc(var(--space) * 3);margin:0 auto}.masthead{justify-content:space-between;align-items:baseline;gap:var(--space);border-bottom:2px solid var(--color-ink);padding-bottom:.5rem;display:flex}.masthead h1{margin:0;font-size:1.35rem;font-weight:650}.masthead p{color:var(--color-ink-soft);margin:.15rem 0 0;font-size:.85rem}.toggles{align-items:center;gap:.5rem;display:flex}.unit-toggle{height:var(--ctrl-h,2.25rem);border:1px solid var(--color-rule);border-radius:var(--radius);display:inline-flex;overflow:hidden}.unit-toggle button{background:var(--color-surface);color:var(--color-ink-soft);font:inherit;cursor:pointer;border:none;padding:0 .7rem;font-size:.85rem}.unit-toggle button.active{background:var(--color-accent);color:var(--color-accent-ink)}.lang-toggle{background:var(--color-surface);height:var(--ctrl-h,2.25rem);border:1px solid var(--color-rule);border-radius:var(--radius);color:var(--color-ink);font:inherit;cursor:pointer;padding:0 .7rem;font-size:.85rem}.designation-block{margin-top:calc(var(--space) * 1.5);--ctrl-h:2.25rem}.designation-block label{color:var(--color-ink-soft);margin-bottom:.35rem;font-size:.85rem;display:block}.designation-input{width:100%;height:var(--ctrl-h,2.25rem);font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--color-ink);background:var(--color-surface);border:1px solid var(--color-rule);border-left:3px solid var(--color-accent);border-radius:var(--radius);padding:0 .65rem;font-size:1rem;font-weight:600}.designation-input:focus-visible{outline:2px solid var(--color-accent);outline-offset:1px}.guided{flex-wrap:wrap;gap:.5rem;margin-top:.6rem;display:flex}.guided select{font:inherit;height:var(--ctrl-h,2.25rem);color:var(--color-ink);background:var(--color-surface);border:1px solid var(--color-rule);border-radius:var(--radius);padding:0 .4rem;font-size:.85rem}.error{color:var(--color-error);margin-top:var(--space)}.banner{background:var(--color-warn-bg);color:var(--color-warn-ink);border-radius:var(--radius);margin-top:var(--space);padding:.5rem .75rem;font-size:.9rem}.results{margin-top:calc(var(--space) * 1.5)}.results h2{margin:calc(var(--space) * 1.5) 0 .5rem;font-size:.95rem;font-weight:650}table.limits{border-collapse:collapse;background:var(--color-surface);font-variant-numeric:tabular-nums;width:100%}table.limits th,table.limits td{border:1px solid var(--color-rule);text-align:right;padding:.45rem .6rem;font-size:.95rem}table.limits th{font-weight:600}table.limits td:first-child,table.limits th:first-child{text-align:left}table.limits td.num{font-family:var(--font-mono)}table.limits td.num.lim-min,.lim-min{color:var(--color-min);font-weight:600}table.limits td.num.lim-max,.lim-max{color:var(--color-max);font-weight:600}table.limits th.h-min{color:var(--color-min)}table.limits th.h-max{color:var(--color-max)}table.limits thead th{border-bottom:2px solid var(--color-ink)}table.limits .unit{color:var(--color-ink-soft);font-size:.8rem;font-weight:400}.wires-diagram{width:min(17rem,100%);color:var(--color-ink-soft);margin:.3rem 0;display:block}.kit-row{flex-wrap:wrap;align-items:baseline;gap:.6rem;margin:.3rem 0;display:flex}.kit-label{color:var(--color-ink-soft);white-space:nowrap;font-size:.8rem}.kit-chips{flex-wrap:wrap;gap:.3rem;display:flex}.chip{font:inherit;font-variant-numeric:tabular-nums;border-radius:var(--radius);background:var(--color-surface);cursor:pointer;border:1.5px solid;padding:.15rem .45rem;font-size:.8rem}.chip-ok{color:var(--color-min);border-color:var(--color-min)}.chip-limit{color:var(--color-max);border-color:var(--color-max)}.chip-out{color:var(--color-error);border-color:var(--color-error);opacity:.75}.chip-selected{outline:2px solid var(--color-accent);outline-offset:1px;font-weight:700}.measure-hero{background:var(--color-surface);border:1px solid var(--color-rule);border-left:4px solid var(--color-accent);border-radius:var(--radius);margin:.6rem 0;padding:.6rem .9rem}.measure-hero-label{color:var(--color-ink-soft);margin-bottom:.15rem;font-size:.8rem;display:block}.measure-hero-value{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.01em;font-size:clamp(1.4rem,5vw,1.9rem);font-weight:700}.measure-hero-sep{color:var(--color-ink-soft);font-weight:400}.measure-hero-mid{font-family:var(--font-mono);font-variant-numeric:tabular-nums;margin-top:.15rem;font-size:1.05rem;display:block}.measure-hero-mid .pm{color:var(--color-accent);font-weight:600}.measure-hero-mid .it{color:var(--color-ink-soft);margin-left:.6rem;font-size:.85rem}.measure-hero-value .unit{color:var(--color-ink-soft);font-size:.9rem;font-weight:400}.wire-choice{flex-wrap:wrap;align-items:center;gap:.5rem;margin:.25rem 0 .5rem;display:flex}.wire-choice label{color:var(--color-ink-soft);font-size:.85rem}.wire-choice select,.wire-choice input{font:inherit;color:var(--color-ink);background:var(--color-surface);border:1px solid var(--color-rule);border-radius:var(--radius);padding:.3rem .4rem;font-size:.9rem}.wire-choice input{width:7rem;font-family:var(--font-mono)}.shim-on{color:var(--color-ink-soft);align-items:center;gap:.3rem;font-size:.8rem;display:inline-flex}.shim-on input{width:auto}.calc-detail{background:var(--color-surface);border:1px solid var(--color-rule);border-radius:var(--radius);margin-top:.4rem;padding:.45rem .7rem}.calc-title{color:var(--color-ink-soft);margin-bottom:.2rem;font-size:.78rem;display:block}.calc-detail code{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:.85rem;line-height:1.5;display:block}.aux{color:var(--color-ink-soft);margin-top:.4rem;font-size:.85rem}.aux .value{font-family:var(--font-mono);color:var(--color-ink)}table.facts-table{margin-top:.25rem}table.facts-table td:first-child{color:var(--color-ink-soft)}table.facts-table th:first-child{border-top:none}dl.facts{margin:0}dl.facts div{justify-content:space-between;gap:var(--space);border-bottom:1px solid var(--color-rule);padding:.35rem 0;display:flex}dl.facts dt{color:var(--color-ink-soft);margin:0}dl.facts dd{font-family:var(--font-mono);font-variant-numeric:tabular-nums;margin:0}.actions{gap:.5rem;margin-top:.75rem;display:flex}.actions button{font:inherit;height:var(--ctrl-h,2.25rem);border-radius:var(--radius);cursor:pointer;border:1px solid var(--color-rule);background:var(--color-surface);color:var(--color-ink);padding:0 .9rem;font-size:.85rem}.actions button.primary{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-accent-ink)}.print-header,.print-footer{display:none}@media print{@page{margin:14mm}.lang-toggle,.toggles,.actions,.guided,.wire-choice,.kit-row,.designation-block,.masthead{display:none!important}body{background:#fff}:root,:root[data-theme=dark],:root[data-theme=light]{--color-bg:#fff;--color-surface:#fff;--color-ink:#14202b;--color-ink-soft:#4a5a68;--color-rule:#b9c4cc;--color-accent:#16607a;--color-min:#1d6d3f;--color-max:#8a4d12;--color-error:#a33a2b;--color-warn-bg:#f6ead2;--color-warn-ink:#6b4a0e;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-embed="1"] body{background:#fff}.app{max-width:none;padding:0}.results.cols{grid-template-columns:1.2fr 1fr;align-items:start;column-gap:8mm;display:grid}.col-diagram .wires-diagram{width:min(78mm,100%);margin:2mm auto}.print-header{border-bottom:3px solid var(--color-accent);justify-content:space-between;align-items:flex-end;gap:1rem;margin-bottom:.8rem;padding-bottom:.6rem;display:flex}.print-logo svg{width:auto;height:46px}.print-title{text-align:right}.print-designation{font-family:var(--font-mono);letter-spacing:.02em;font-size:1.6rem;font-weight:700;display:block}.print-date{color:var(--color-ink-soft);font-size:.8rem}.masthead{border-bottom:none;padding-bottom:0}.masthead h1{font-size:1rem}.masthead p{font-size:.75rem}.results h2{margin:.7rem 0 .3rem;font-size:.85rem}table.limits th,table.limits td{padding:.25rem .45rem;font-size:.85rem}.wires-diagram{width:18rem;margin:.2rem 0}.aux{margin-top:.2rem;font-size:.72rem}.calc-detail{padding:.35rem .6rem}.calc-detail code{font-size:.78rem}.calc-detail,.results{break-inside:avoid}.banner{padding:.3rem .5rem;font-size:.78rem}.results,table.limits,.wires-diagram,.kit-row{flex-wrap:wrap;align-items:baseline;gap:.6rem;margin:.3rem 0;display:flex}.measure-hero{break-inside:avoid}.kit-row{flex-wrap:wrap;align-items:baseline;gap:.6rem;margin:.3rem 0;display:flex}.kit-label{color:var(--color-ink-soft);white-space:nowrap;font-size:.8rem}.kit-chips{flex-wrap:wrap;gap:.3rem;display:flex}.chip{font:inherit;font-variant-numeric:tabular-nums;border-radius:var(--radius);background:var(--color-surface);cursor:pointer;border:1.5px solid;padding:.15rem .45rem;font-size:.8rem}.chip-ok{color:var(--color-min);border-color:var(--color-min)}.chip-limit{color:var(--color-max);border-color:var(--color-max)}.chip-out{color:var(--color-error);border-color:var(--color-error);opacity:.75}.chip-selected{outline:2px solid var(--color-accent);outline-offset:1px;font-weight:700}.measure-hero{border:2px solid var(--color-accent);border-left-width:6px;margin:.5rem 0;padding:.6rem .9rem}.measure-hero-value{font-size:1.9rem}.measure-hero-label{font-size:.8rem}.measure-hero-mid{font-size:1.05rem}.print-footer{border-top:1px solid var(--color-rule);color:var(--color-ink-soft);justify-content:space-between;gap:1rem;margin-top:1rem;padding-top:.5rem;font-size:.75rem;display:flex}.print-url{color:var(--color-accent);white-space:nowrap;font-weight:600}}@media (width>=52rem){.app{max-width:80rem;padding-top:.5rem;padding-bottom:.75rem}.masthead{padding-bottom:.3rem}.masthead h1{font-size:1.05rem;display:inline}.masthead p{margin-left:.6rem;font-size:.78rem;display:inline}.designation-block{border-bottom:2px solid var(--color-rule);flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:.5rem;padding-bottom:.6rem;display:flex}.designation-block label{margin:0}.designation-input{width:15rem}.guided{gap:.5rem;margin-top:0}.toggles{gap:.5rem;display:flex}.results.cols{column-gap:calc(var(--space) * 2);grid-template-columns:1.25fr 1fr;align-items:start;display:grid}.col-diagram .wires-diagram{width:min(24rem,100%);margin:.5rem auto}.col-diagram .calc-detail{margin-top:.6rem}.results h2{margin:.55rem 0 .25rem;font-size:.88rem}.results h2:first-child{margin-top:.35rem}table.limits th,table.limits td{padding:.3rem .5rem;font-size:.88rem}.selectors-row{flex-wrap:wrap;gap:1rem;display:flex}.wire-choice{margin:.15rem 0 .3rem}.measure-hero{margin:.3rem 0;padding:.45rem .75rem}.measure-hero-value{font-size:1.35rem}.measure-hero-mid{font-size:.95rem}.wires-diagram{width:min(15rem,100%);margin:.15rem 0}.wire-choice select,.wire-choice input{padding:.22rem .3rem;font-size:.82rem}.wire-choice label{font-size:.78rem}.kit-row{flex-wrap:wrap;align-items:baseline;gap:.6rem;margin:.3rem 0;display:flex}.kit-label{color:var(--color-ink-soft);white-space:nowrap;font-size:.8rem}.kit-chips{flex-wrap:wrap;gap:.3rem;display:flex}.chip{font:inherit;font-variant-numeric:tabular-nums;border-radius:var(--radius);background:var(--color-surface);cursor:pointer;border:1.5px solid;padding:.15rem .45rem;font-size:.8rem}.chip-ok{color:var(--color-min);border-color:var(--color-min)}.chip-limit{color:var(--color-max);border-color:var(--color-max)}.chip-out{color:var(--color-error);border-color:var(--color-error);opacity:.75}.chip-selected{outline:2px solid var(--color-accent);outline-offset:1px;font-weight:700}.measure-hero{padding:.35rem .65rem}.aux{margin-top:.15rem;font-size:.75rem}.banner{margin-top:.5rem;padding:.35rem .6rem;font-size:.82rem}.actions{gap:.5rem;margin-top:0;margin-left:auto}.actions button{padding:.3rem .8rem;font-size:.85rem}}:root[data-embed="1"] body{background:0 0}:root[data-embed="1"] .app{padding-top:.25rem}:root[data-embed="1"] .masthead{display:none}