:root{color-scheme:light;--ink:#171411;--muted:#6f665d;--paper:#f7f2e8;--panel:#fffaf0;--line:#ded2c0;--oxide:#b63b2e;--oxide-dark:#8f291f;--green:#2e7a57;--blue:#225c86;--shadow:0 24px 70px rgba(50,35,18,0.14)}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:ui-serif,Georgia,Cambria,Times New Roman,serif;color:var(--ink);background:linear-gradient(90deg,rgba(23,20,17,.035) 1px,transparent 1px),linear-gradient(rgba(23,20,17,.035) 1px,transparent 1px),var(--paper);background-size:28px 28px}button,input{font:inherit}.shell{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:40px 0;display:grid;grid-template-columns:minmax(320px,420px) 1fr;grid-gap:22px;gap:22px}.command-panel,.results-panel{border:1px solid var(--line);background:rgba(255,250,240,.94);box-shadow:var(--shadow)}.command-panel{min-height:calc(100vh - 80px);padding:28px;position:-webkit-sticky;position:sticky;top:40px}.results-panel{min-width:0;padding:22px}.masthead{border-bottom:2px solid var(--ink);padding-bottom:22px}.help-wrap{position:fixed;top:18px;right:18px;z-index:1000}.help-button{width:34px;height:34px;border-radius:50%;border:1px solid var(--ink);background:var(--panel);color:var(--ink);font-weight:700;cursor:pointer}.help-button:focus-visible,.help-button:hover{background:var(--ink);color:var(--panel)}.help-popover{position:absolute;top:42px;right:0;z-index:1001;width:min(330px,calc(100vw - 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