:root{color-scheme:light;--bg:#faf8f2;--ink:#233932;--muted:#58665d;--line:#d9dfd6;--soft:#edf0e7;--yellow:#ffc306}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.6 system-ui,sans-serif}main{max-width:1100px;margin:auto;padding:18px 10px 25px}h1,h2,h3{font-weight:500;line-height:1.2;letter-spacing:-.03em}h1{font-size:32px;margin:10px 0 18px}h2{font-size:23px;margin:0 0 18px}p{color:var(--muted)}.eyebrow{font-size:11px;letter-spacing:.14em}.profile{display:flex;gap:10px;flex-wrap:wrap;margin:25px 0}.profile button{margin:0;background:var(--soft);border-color:var(--line);color:var(--ink)}.profile button[aria-pressed=true]{background:#203c32;color:#fff;border-color:#203c32}.tool-layout{display:grid;grid-template-columns:1.3fr 1fr;gap:22px}.panel{padding:24px;background:#fff;border:1px solid var(--line);border-radius:4px}.help{font-size:12px;color:var(--muted);display:block}.loads-heading,.load-row{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:10px;align-items:center}.loads-heading{font-size:11px;color:var(--muted);margin-top:22px}.load-row{padding:10px 0;border-bottom:1px solid var(--line)}.load-row label{display:flex;align-items:center;gap:8px;font-size:13px}.load-row input[type=checkbox]{width:18px;height:18px;flex-shrink:0}.fields{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:25px}.fields label{font-size:12px}input[type=number]{width:100%;min-width:0;padding:10px;border:1px solid #9aa99d;border-radius:3px;font:inherit;color:var(--ink);background:#fff}.fields input{margin-top:6px}.wide{grid-column:1/-1}button,.cta{display:inline-block;padding:11px 15px;margin-top:20px;background:var(--yellow);border:1px solid var(--yellow);color:#0c0c0c;border-radius:3px;font:500 13px/1.5 system-ui,sans-serif;text-decoration:none;cursor:pointer}input:focus-visible,button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid #203c32;outline-offset:3px}.metric{background:var(--soft);padding:20px;margin-bottom:18px;border-left:3px solid #203c32}.metric span,.pair span{font-size:12px;display:block;color:var(--muted)}.metric strong{display:block;font-size:35px;font-weight:500;margin:8px 0}.metric small{font-size:12px;color:var(--muted)}.pair{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:24px 0}.pair strong{display:block;font-size:22px;font-weight:500}.power-check{padding:15px;background:var(--soft);font-size:13px}.power-check.warning{background:#fff3dc;color:#754307}#error{padding:12px;color:#9d3228;background:#fff0ed}details{margin-top:25px;border-top:1px solid var(--line);padding-top:20px}summary{font-weight:500;cursor:pointer}details p{font-size:13px}footer{font-size:12px;color:var(--muted);margin-top:20px}@media(max-width:720px){.tool-layout{grid-template-columns:1fr}.panel{padding:18px}main{padding:10px 0 20px}.load-row,.loads-heading{grid-template-columns:1.3fr 1fr 1fr;gap:7px}.load-row label{font-size:12px}.fields{gap:12px}}@media(max-width:360px){.fields{grid-template-columns:1fr}.wide{grid-column:auto}.loads-heading{font-size:10px}.load-row input[type=number]{padding:8px;font-size:14px}}