:root{--ink: #172033;--muted: #617086;--paper: #f4f0e7;--surface: #fffdf7;--surface-strong: #ffffff;--line: #d8d0c1;--blue: #245da8;--blue-soft: #e8f0ff;--red: #c84f3c;--red-soft: #ffece7;--gold: #e9ad3d;--green: #2f7f6f;--shadow: 0 22px 55px rgba(23, 32, 51, .14)}*{box-sizing:border-box}html{background:var(--paper)}body{margin:0;min-width:320px;color:var(--ink);overflow-x:hidden;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button{border:0;font:inherit}button:focus-visible{outline:3px solid rgba(36,93,168,.35);outline-offset:3px}.app-shell{width:min(1180px,100%);min-height:100vh;margin:0 auto;padding:18px;display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:18px;align-items:stretch}.static-shell{width:min(760px,100%);min-height:100vh;margin:0 auto;padding:18px;display:grid;place-items:center}.static-page{border:1px solid 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button.locked{color:var(--muted);cursor:not-allowed;opacity:.72}.turn-callout{border:1px solid var(--line);border-radius:12px;background:var(--surface-strong);padding:10px 12px;display:grid;gap:3px}.turn-callout strong{font-size:18px}.turn-callout span{color:var(--muted);font-weight:750}.turn-callout.active{border-color:#2f7f6f6b;background:#eefaf6}.turn-callout.waiting{border-color:#245da83d;background:var(--blue-soft)}.turn-callout.setup{border-color:#e9ad3d73;background:#fff6db}.rules-entry button{width:100%;min-height:44px;border:1px solid rgba(216,208,193,.9);border-radius:12px;background:#fffdf7db;color:var(--ink);cursor:pointer;padding:8px 10px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:9px;text-align:left}.rules-entry span{min-width:0;display:grid;gap:2px}.rules-entry small{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:800}.rules-entry b{border-radius:8px;background:var(--ink);color:#fff;padding:6px 9px;font-size:12px;font-weight:900}.duel-strip{display:grid;grid-template-columns:1fr minmax(160px,auto) 1fr;gap:10px}.player-panel{min-width:0;border:1px solid var(--line);border-radius:12px;background:var(--surface-strong);padding:12px;display:flex;align-items:center;gap:11px}.player-panel.active{border-color:var(--gold);box-shadow:inset 0 0 0 1px var(--gold)}.avatar{width:39px;height:39px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:950;flex:0 0 auto}.avatar.blue{background:var(--blue)}.avatar.red{background:var(--red)}.player-panel span,.compact,.history-item span,.operation span,.rack-head,.tool-block p{color:var(--muted)}.operation{border-radius:12px;background:var(--ink);color:#fff;padding:12px 14px;min-width:168px;display:grid;place-items:center;gap:4px;text-align:center}.operation span{color:#ffffffb8;font-size:12px;font-weight:800}.board-wrap{flex:1;display:grid;place-items:center;min-height:0}.board{width:min(100%,560px);aspect-ratio:1;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:clamp(6px,1.3vw,10px)}.compact-board{width:min(100%,420px)}.cell{min-width:0;min-height:0;border:1px solid var(--line);border-radius:8px;background:#fff8eb;color:var(--ink);cursor:pointer;font-size:clamp(19px,4vw,31px);font-weight:950;position:relative;transition:transform .14s ease,border-color .14s ease,background .14s ease}.cell:not(:disabled):hover{transform:translateY(-2px)}.cell.target{background:#fff0c2;border-color:var(--gold)}.cell.target:after{content:"";width:10px;height:10px;border-radius:50%;background:var(--gold);position:absolute;right:8px;top:8px}.cell.claimed-p1{background:var(--blue);border-color:var(--blue);color:#fff}.cell.claimed-p2{background:var(--red);border-color:var(--red);color:#fff}.cell.winning{outline:4px solid 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