:root{font:17px/1.5 system-ui,sans-serif;color:#20343b;background:#f3f5f2;color-scheme:light;--accent:#17675f;--line:#ced8d2}*{box-sizing:border-box}body{max-width:1120px;margin:auto;padding:28px}header{margin:12px 0 28px}h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:620;letter-spacing:-.04em;margin:.2em 0}h2{font-size:1.45rem}.eyebrow{font-size:.72rem;letter-spacing:.16em;color:var(--accent)}#context{color:#52666a}nav{display:flex;gap:8px;flex-wrap:wrap;padding:10px 0;min-height:62px;border-bottom:1px solid var(--line)}nav button{background:transparent;color:var(--accent);border-color:transparent}nav button[aria-current=page]{background:var(--accent);color:white}#sub{background:#e8eee9;padding-left:10px}button,.button{font:inherit;padding:9px 16px;border:1px solid var(--accent);border-radius:6px;background:var(--accent);color:white;cursor:pointer}button:disabled{opacity:.5;cursor:default}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid #cf7927;outline-offset:3px}main{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px;margin:12px 0;min-height:260px}form{display:grid;gap:16px;max-width:740px}label{display:grid;gap:6px}label.check{display:flex;align-items:center}input,select,textarea{font:inherit;width:100%;padding:10px;border:1px solid #98aaa4;border-radius:5px;background:white;color:inherit}input[type=checkbox]{width:auto}textarea{min-height:150px}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f1f4f1;padding:16px;max-height:480px;overflow:auto;font-size:.83rem}small,.hint{color:#52666a}#status{min-height:28px}#status[data-error=true]{color:#942d29}footer{font-size:.8rem;color:#52666a;padding:16px 0}.actions{display:flex;gap:10px;flex-wrap:wrap}.list{display:grid;gap:8px;padding:0;list-style:none}.list button{text-align:left;width:100%;background:white;color:var(--accent)}@media(max-width:600px){body{padding:14px}main{padding:18px}nav button{padding:8px 10px}}

.reader-diagram{display:block;max-width:100%;height:auto}.reader-formula{overflow:auto;max-width:100%;padding:8px}.reader-error{color:#942d29;border-left:3px solid;padding:8px}.cell-content td{padding:5px;border-bottom:1px solid var(--line)}