:root{color-scheme:light;--paper:#eaf0f4;--white:#fbfdff;--ink:#132c45;--quiet:#43596c;--blue:#174f85;--line:#b4c5d1;--chart:#c7e9f6;--highlight:#e4f2fb;font:16px/1.55 system-ui,sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink)}[hidden]{display:none!important}.shell{width:min(1190px,calc(100% - 3rem));margin-inline:auto}a{color:var(--blue);text-underline-offset:.22em}.mast{min-height:66px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);gap:1rem}.brand{color:var(--ink);font-weight:850;text-decoration:none;display:flex;align-items:center;gap:.65rem}.brand span{display:inline-block;width:25px;height:22px;background:linear-gradient(to top,var(--blue) 0 47%,transparent 47%) left/6px 100% no-repeat,linear-gradient(to top,var(--blue) 0 73%,transparent 73%) center/6px 100% no-repeat,linear-gradient(var(--blue),var(--blue)) right/6px 100% no-repeat}
.hero{padding:3.55rem 0 2.4rem}.eyebrow{color:var(--blue);font:750 .75rem/1.4 ui-monospace,monospace;letter-spacing:.12em;text-transform:uppercase;margin:0}.hero h1{font:760 clamp(3.1rem,8vw,6.8rem)/.92 system-ui,sans-serif;letter-spacing:-.085em;margin:.55rem 0 .95rem}.hero em{font-style:normal;color:var(--blue)}.hero>p:last-child{color:var(--quiet);max-width:40rem;font-size:1.13rem;margin:.65rem 0 0}
.layout{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.25fr);gap:1rem;align-items:start}.card{min-width:0;background:var(--white);border:1px solid var(--line);border-radius:11px;padding:clamp(1rem,2.5vw,1.55rem)}.card h2,.method h2{font-size:clamp(1.5rem,4vw,2rem);letter-spacing:-.04em;line-height:1.12;margin:.3rem 0 1rem}label{font-size:.9rem;font-weight:750;display:block;margin:.45rem 0 .2rem}label small{display:block;color:var(--quiet);font-weight:400}.hint,.status{margin:.35rem 0 .65rem;color:var(--quiet);font-size:.9rem}input,textarea{width:100%;border:1px solid #829cb0;border-radius:6px;padding:.55rem .65rem;color:var(--ink);background:white;font:inherit}textarea{resize:vertical;font:.9rem/1.5 ui-monospace,monospace}.limits{display:grid;grid-template-columns:1fr 1fr;gap:.65rem}.actions{display:flex;gap:.5rem;flex-wrap:wrap;margin:.75rem 0 .5rem}
button{min-height:43px;padding:.5rem .8rem;border:1px solid var(--blue);border-radius:6px;background:var(--blue);color:white;font:750 .88rem/1.3 system-ui,sans-serif;cursor:pointer}button:hover{background:#12395f}.secondary{background:transparent;color:var(--blue)}.secondary:hover{background:#e1edf7}:focus-visible{outline:3px solid #2368a5;outline-offset:3px}
.summary{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;margin:.75rem 0}.summary>div{padding:.58rem .65rem;border-radius:7px;background:var(--chart)}.summary dt{font-size:.75rem;font-weight:750}.summary dd{font-weight:820;font-size:clamp(.86rem,2.1vw,1.23rem);margin:.2rem 0;line-height:1.2}.scroll{overflow:auto;margin:.75rem 0}.scroll table{width:100%;border-collapse:collapse;font-size:.83rem;font-variant-numeric:tabular-nums}.scroll caption{text-align:left;font-weight:780;margin-bottom:.35rem}.scroll th,.scroll td{padding:.4rem .45rem;border:1px solid var(--line);text-align:right;white-space:nowrap}.scroll thead th{background:#e2ecf4}.scroll tbody th{text-align:left}.scroll tr.selected{background:var(--highlight)}.scroll tbody small{display:block;color:var(--blue);font-weight:750;font-size:.64rem}.scroll meter{width:100%;min-width:3rem;height:.4rem;display:block;accent-color:var(--blue);margin-top:.18rem}
.method{max-width:48rem;padding:2.7rem 0 2.3rem}.method p:not(.eyebrow){color:var(--quiet)}footer{padding:1.1rem 0;border-top:1px solid var(--line);font-weight:780}footer span{margin-left:.85rem;font-weight:400;color:var(--quiet)}
@media(max-width:790px){.layout{grid-template-columns:1fr}.shell{width:calc(100% - 1.5rem)}.hero{padding:2.4rem 0 1.7rem}}