:root{--bg:#f4ece0;--panel:#fffaf3;--ink:#2a1d14;--muted:#66513f;--line:#dcc9b0;--accent:#9c3c12;--accent-ink:#ffffff;--brass:#9a6a1a;--soft:#f6e9d6;--ok:#2f6d3a;--warn:#8a5a00;--bad:#a8291f;--walnut:#4a2e19;--shadow:0 1px 2px rgba(42,29,20,.08),0 4px 14px rgba(42,29,20,.07);--c-miserly:#2c4a66;--c-tight:#9a3a22;--c-false:#625c56;--c-fair:#a3460f}
:root[data-theme="dark"]{--bg:#16110e;--panel:#211914;--ink:#f2e6d6;--muted:#c3ad95;--line:#3d2e22;--accent:#f2a65a;--accent-ink:#1b120b;--brass:#e2b25e;--soft:#2a1f18;--ok:#96d79e;--warn:#f0c060;--bad:#ff8e7e;--walnut:#c9a27a;--shadow:0 1px 2px rgba(0,0,0,.45);--c-miserly:#a9d1ee;--c-tight:#f39a80;--c-false:#d0c8bd;--c-fair:#f6b25b}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#16110e;--panel:#211914;--ink:#f2e6d6;--muted:#c3ad95;--line:#3d2e22;--accent:#f2a65a;--accent-ink:#1b120b;--brass:#e2b25e;--soft:#2a1f18;--ok:#96d79e;--warn:#f0c060;--bad:#ff8e7e;--walnut:#c9a27a;--shadow:0 1px 2px rgba(0,0,0,.45);--c-miserly:#a9d1ee;--c-tight:#f39a80;--c-false:#d0c8bd;--c-fair:#f6b25b}}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}
.hidden{display:none!important}
.small{font-size:.875rem}.muted{color:var(--muted)}.mono{font-family:ui-monospace,Menlo,Consolas,monospace}
h1,h2,h3,h4,.brand strong{font-family:"Avenir Next","Segoe UI",system-ui,sans-serif;letter-spacing:-.01em}
.bar{display:flex;align-items:center;gap:10px;padding:10px 16px;border-bottom:3px solid var(--accent);background:var(--panel);flex-wrap:wrap}
.back{text-decoration:none;font-weight:600;white-space:nowrap}
.brand{display:flex;align-items:center;gap:8px;font-size:1.05rem;min-width:0}
.logo{width:26px;height:26px;flex:none}.lg-f{fill:#f29a35;stroke:var(--accent);stroke-width:1.2}.lg-c{fill:var(--walnut);stroke:var(--ink);stroke-width:1.2}
.session{margin-left:auto;display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.pill{display:inline-flex;align-items:center;justify-content:center;gap:4px;border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:8px;padding:6px 12px;font:inherit;font-size:.9rem;cursor:pointer;text-decoration:none;min-height:34px}
.pill:hover:not(:disabled){border-color:var(--brass)}
.pill.solid{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}
.pill.solid:hover:not(:disabled){border-color:var(--ink)}
.pill.ghost{cursor:default}.pill.tiny{padding:4px 10px;font-size:.82rem;min-height:30px}.pill.big{padding:10px 20px;font-size:1rem}
.pill:disabled{opacity:.5;cursor:not-allowed}
main{max-width:900px;margin:0 auto;padding:16px}
.hero{padding:14px 0 6px}
.kicker{margin:0;color:var(--brass);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:.8rem}
h1{margin:4px 0 8px;font-size:2.2rem;line-height:1.12}
.h1b{display:block;font-size:1.05rem;font-weight:500;color:var(--muted);margin-top:4px;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.lede{margin:0 0 10px;max-width:64ch}
.samples{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.chip{border:1px dashed var(--brass);background:transparent;color:var(--ink);border-radius:6px;padding:5px 12px;font:inherit;font-size:.86rem;cursor:pointer}
.chip.on{background:var(--soft);border-style:solid;font-weight:600}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px;margin:14px 0;box-shadow:var(--shadow)}
.ph{display:flex;align-items:center;gap:8px;margin:0 0 10px;font-size:1.2rem;flex-wrap:wrap}
.step-no{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--brass);color:var(--panel);font-size:.85rem;font-weight:700;font-family:system-ui,sans-serif}
.free{font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--ok);border:1px solid currentColor;border-radius:999px;padding:1px 8px;font-family:system-ui,sans-serif}
.lab{display:block;font-weight:600;font-size:.88rem;margin:8px 0 3px}
.inp{width:100%;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:8px;padding:7px 9px;font:inherit;font-size:.95rem;min-height:38px}
.inp:focus{outline:2px solid var(--brass);outline-offset:1px}
.board{border-radius:12px;overflow:hidden;border:1px solid var(--line);line-height:0}
.board svg{width:100%;height:auto;display:block}
.board .coal{cursor:pointer;outline:none}.board .coal:focus path{stroke:#f3d27a;stroke-width:3}
.legend{list-style:none;display:flex;flex-wrap:wrap;gap:6px 14px;padding:0;margin:8px 0 2px}
.legend li{display:flex;align-items:center;gap:6px}
.sw{display:inline-block;width:18px;height:5px;border-radius:3px}
.sw-miserly{background:var(--c-miserly)}.sw-tight{background:var(--c-tight)}.sw-false-economy{background:var(--c-false)}.sw-fair-thrift{background:var(--c-fair)}
.cardrow{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:10px}
.rows{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.crow{border:1px solid var(--line);border-left:6px solid var(--brass);background:var(--soft);border-radius:6px 10px 10px 6px;padding:10px 12px}
.crow-head{display:flex;gap:8px;align-items:flex-end;flex-wrap:wrap}
.crow-head .fld{flex:1 1 200px;min-width:0}
.crow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0 12px}
.crow-foot{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;margin-top:8px}
.callchip{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.78rem;font-weight:700;border:1.5px solid currentColor;background:var(--panel)}
.v-miserly{color:var(--c-miserly)}.v-tight{color:var(--c-tight)}.v-false-economy{color:var(--c-false)}.v-fair-thrift{color:var(--c-fair)}
.note{border-left:3px solid var(--warn);padding:4px 10px;background:var(--soft);border-radius:0 8px 8px 0}
.facts{margin:0;padding-left:1.2em}.facts li{margin:2px 0}
.runrow{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.gate{margin:10px 0 0}
.steps{list-style:none;padding:0;margin:8px 0}
.step{padding:3px 0;color:var(--muted)}.step.done{color:var(--ok)}.step.active{color:var(--ink);font-weight:600}
.step-ic{display:inline-block;width:1.2em;font-family:ui-monospace,Menlo,monospace}
.raw{white-space:pre-wrap;word-break:break-word;background:var(--soft);padding:10px;border-radius:8px;max-height:360px;overflow:auto}
.res-top{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.res-kick{margin:0;font-weight:600;color:var(--muted)}
.badge{display:inline-block;padding:4px 12px;border-radius:999px;font-size:.78rem;font-weight:700;letter-spacing:.04em;background:var(--soft);color:var(--ink);border:1px solid var(--line)}
.badge.on{background:var(--brass);color:var(--panel);border-color:var(--brass)}
.headline{font-size:1.08rem;font-weight:600;margin:10px 0;font-family:"Avenir Next","Segoe UI",system-ui,sans-serif}
.cards{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.rcard{border:1px solid var(--line);border-top:4px solid currentColor;border-radius:8px;padding:10px 12px;background:var(--panel)}
.rcard .rname{font-weight:700;font-family:"Avenir Next","Segoe UI",system-ui,sans-serif;color:var(--ink);overflow-wrap:anywhere}
.rcard p{margin:6px 0 0;color:var(--ink)}
.rcard .step1{color:var(--muted)}
.rnote{display:flex;gap:8px;align-items:flex-start;margin-top:8px;padding:8px 10px;border:1px dashed var(--line);border-radius:8px;background:var(--soft);color:var(--ink)}
.rnote q{flex:1;font-style:italic}
.closing{font-style:italic;margin:12px 0 4px}
.recon{margin:4px 0;padding-left:1.2em}.recon li{margin:3px 0}.recon li.warn{color:var(--warn)}.recon li.bad{color:var(--bad)}.recon li.none{color:var(--ok);list-style:none;margin-left:-1.2em}
.none{color:var(--muted)}
.exports{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.saved{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:8px}
.hrow{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:10px;padding:8px 10px;flex-wrap:wrap}
.hinfo{display:flex;flex-direction:column;min-width:0;flex:1}
.hbtns{display:flex;gap:6px}
.aboutbox p{margin:6px 0}
.foot{max-width:900px;margin:0 auto;padding:10px 16px 40px;color:var(--muted);font-size:.86rem}
.toasts{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);display:grid;gap:6px;z-index:20;width:min(92vw,460px);pointer-events:none}
.toast{background:var(--ink);color:var(--bg);padding:9px 14px;border-radius:10px;font-size:.9rem;box-shadow:var(--shadow);transition:opacity .5s;pointer-events:auto}
.toast.err{background:var(--bad);color:#fff}.toast.gone{opacity:0}
.toast a{color:inherit;font-weight:700}
@media (max-width:600px){h1{font-size:1.75rem}.crow-grid{grid-template-columns:1fr 1fr}}@media (max-width:480px){.crow-grid{grid-template-columns:1fr}}@media (max-width:600px){.back-t{display:none}main{padding:12px 16px}.panel{padding:14px}}
@media print{.bar,.samples,.askbox,.histbox,.exports,.toasts,.cardrow,.formpanel{display:none!important}.panel{box-shadow:none;break-inside:avoid}body{background:#fff;color:#000}}
.firstmove{display:inline-block;margin:4px 0 0;padding:1px 10px;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-weight:600}
.steplab{font-weight:600;margin-right:4px}
.rcard p.firstmove{color:var(--accent-ink)}
.rcard .who{margin:4px 0 0;color:var(--muted)}.rcard .ripple{border-left:3px solid var(--line);padding:2px 10px;margin:6px 0;color:var(--ink)}
.inp:disabled{opacity:.55}
@media (max-width:820px) and (min-width:601px){.crow-grid{grid-template-columns:1fr 1fr}}