:root{
  --bg:#f6f4ef;--panel:#ffffff;--ink:#1d1d1f;--muted:#6b6a66;--line:#dedad2;
  --accent:#7a2e1a;--accent-ink:#ffffff;--red:#b3261e;--black:#1d1d1f;
  --ok:#1f7a3a;--bad:#a4331f;--code:#f1eee7;--stat:#efe6d8;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#151515;--panel:#1f1f1f;--ink:#ecebe8;--muted:#9a9894;--line:#34322f;
    --accent:#e0906f;--accent-ink:#1a1a1a;--red:#ff7a70;--black:#ecebe8;
    --ok:#6fcf8a;--bad:#ff8a70;--code:#262523;--stat:#3a3129;
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:960px;margin:0 auto;padding:16px}
header{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin:4px 0 12px}
h1{font-size:22px;margin:0;font-weight:700}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;flex-wrap:wrap}
.tab{background:none;border:0;border-bottom:2px solid transparent;padding:8px 12px;color:var(--muted);font:inherit;cursor:pointer}
@media (max-width:420px){.tab{padding:8px 7px}}
.tab[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--accent);font-weight:600}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:16px}
label{display:block;font-weight:600;margin-bottom:6px}
.hint{color:var(--muted);font-size:13px}
textarea,input[type=number],select{width:100%;font:14px/1.45 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px}
textarea{min-height:92px;resize:vertical}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:10px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
button.btn{font:inherit;border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:8px;padding:7px 14px;cursor:pointer}
button.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:600}
button.btn:disabled{opacity:.5;cursor:default}
.radio{display:flex;gap:14px;flex-wrap:wrap;font-weight:400}
.radio label,.checks label{font-weight:400;display:inline-flex;gap:6px;align-items:center;margin:0}
.checks{display:flex;gap:12px;flex-wrap:wrap}
.err{color:var(--bad);white-space:pre-wrap;margin-top:8px}
.status{font-weight:600;margin-bottom:10px}
.status.ok{color:var(--ok)}.status.bad{color:var(--bad)}
.chain{display:flex;flex-wrap:wrap;gap:6px 10px;margin:6px 0 12px}
.block{display:inline-flex;gap:4px;padding:3px 6px;border:1px solid var(--line);border-radius:8px;background:var(--bg)}
.block.open{border-style:dashed}
.card{font:600 14px/1.2 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;padding:2px 4px;border-radius:5px;color:var(--black)}
.card.red{color:var(--red)}
.card.stat{background:var(--stat);outline:1px solid var(--line)}
.card.transit{text-decoration:underline;text-underline-offset:3px}
pre.out{background:var(--code);border-radius:8px;padding:10px;overflow-x:auto;white-space:pre-wrap;word-break:break-word;margin:8px 0 0;font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.hexes{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin:10px 0}
.hex{border:1px solid var(--line);border-radius:8px;padding:10px;display:flex;gap:12px;align-items:center;background:var(--bg)}
.glyph{display:flex;flex-direction:column;gap:4px;width:44px}
.glyph i{display:flex;gap:8px;height:6px}
.glyph i b{flex:1;background:var(--ink);border-radius:1px}
.hex .meta{font:13px/1.45 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.hex .suit{font-size:18px;font-weight:700}
details{margin-top:10px}
summary{cursor:pointer;color:var(--muted)}
ol.steps{font:13px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;padding-left:34px;margin:8px 0 0}
.results{display:flex;flex-direction:column;gap:8px;margin-top:10px}
.res{border:1px solid var(--line);border-radius:8px;padding:8px 10px;background:var(--bg)}
.res code{font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;word-break:break-word}
.res .row{margin-top:6px}
.stats{font:13px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--muted)}
.help h3{margin:18px 0 6px;font-size:16px}
.help code{background:var(--code);padding:1px 4px;border-radius:4px}
.help ul{padding-left:20px}
.warn{border-left:3px solid var(--accent);background:var(--code);padding:8px 10px;border-radius:6px;font-size:13px;margin:8px 0}
.help td.suitsym{white-space:nowrap}
.grid-suits{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:0 16px}
.help h4{margin:16px 0 4px;font-size:15px}
.help table{border-collapse:collapse;width:100%;font-size:14px;margin:8px 0}
.help th,.help td{border-bottom:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}
.help th{color:var(--muted);font-weight:600}
.help .suitsym{font-size:16px}
[hidden]{display:none!important}