:root{--ink:#18363a;--muted-ink:#667477;--paper:#f5f2e9;--paper-deep:#e8e2d4;--line:#c7c7b9;--jade:#267267;--jade-soft:#dcebe5;--vermilion:#ae493d;--vermilion-soft:#f3ddd6;--gold:#c29b48;--board:#d7b67a;--board-line:#644d31;--heading:"Iowan Old Style", "Palatino Linotype", "Noto Serif KR", "Malgun Myeongjo", serif;--body:"Bahnschrift", "Segoe UI", "Malgun Gothic", sans-serif;color:var(--ink);background-color:var(--paper);font-family:var(--body);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html{background:var(--paper);min-width:320px}body{background-color:var(--paper);background-image:linear-gradient(#18363a09 1px,#0000 1px),linear-gradient(90deg,#18363a09 1px,#0000 1px);background-size:28px 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var(--ink);grid-template-columns:repeat(5,1fr);gap:0;width:100%;display:grid}.setup-boardline span{border-right:1px solid var(--ink);height:28px}.setup-boardline span:first-child{border-left:1px solid var(--ink)}.formation-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;display:grid}.formation-picker{border:0;border-top:3px solid var(--ink);min-width:0;margin:0;padding:18px 0 0}.formation-picker legend{color:var(--ink);font-family:var(--heading);padding:0;font-size:23px;font-weight:700}.formation-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:16px;display:grid}.formation-option{border:1px solid var(--line);min-height:88px;color:var(--ink);text-align:left;background:#ffffff61;border-radius:6px;gap:5px;padding:10px;font-size:13px;transition:border-color .18s,background-color .18s,transform .18s;display:grid}.formation-option:hover{transform:translateY(-2px)}.formation-picker.formation-cho 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