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#5d83d5}a{color:inherit}select{color:inherit;background:var(--bg);cursor:pointer;border:0}option{color:var(--ink);background:var(--bg)}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.ui-icon{pointer-events:none;flex-shrink:0;width:24px;height:24px;display:block}.shape-icon{object-fit:contain;pointer-events:none;user-select:none;width:56%;height:56%}.game-app{background:var(--bg);min-height:calc(100dvh - 34px);color:var(--ink);flex-direction:column;display:flex}.site-header{justify-content:space-between;align-items:center;width:100%;max-width:1280px;min-height:78px;margin:0 auto;padding:23px 40px 17px;display:flex}.wordmark{letter-spacing:-1.6px;font-size:29px;font-weight:750;line-height:1;text-decoration:none}.brand-dot{color:#16a17a}.header-actions{align-items:center;gap:16px;display:flex}.icon-button{border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.icon-button:hover{background:var(--surface)}.language-picker{align-items:center;gap:7px;display:flex}.language-picker .ui-icon{width:19px;height:19px}.language-picker select{width:79px;padding:8px 0;font-size:13px}.play-mode{background:var(--surface);border:1px solid var(--line);border-radius:40px;align-self:center;gap:4px;margin:0 16px 16px;padding:4px;display:flex}.play-mode button{min-height:36px;color:var(--muted);border-radius:30px;padding:9px 20px;font-size:13px;font-weight:600}.play-mode button[aria-pressed=true]{background:var(--bg);color:var(--ink);box-shadow:0 2px 6px #0000000a}.game-main{flex-direction:column;flex:1;align-items:center;width:100%;max-width:900px;margin:0 auto;padding:0 26px 16px;display:flex}.challenge-meta{letter-spacing:.04em;width:min(100%,490px);color:var(--muted);justify-content:center;align-items:center;gap:16px;min-height:30px;font-size:11px;display:flex}.meta-separator{opacity:.45;margin:0 12px}.difficulty-picker select{padding:5px 2px;font-size:12px;font-weight:600}.game-heading{text-align:center;margin:9px 0 16px}.game-heading h1{letter-spacing:-1.3px;margin:0 0 9px;font-size:clamp(25px,4vw,34px);font-weight:600;line-height:1.1}.game-heading p{color:var(--muted);margin:0;font-size:13px;line-height:1.5}.score-strip{width:var(--board);justify-content:space-between;align-items:center;gap:15px;min-height:34px;margin:0 0 20px;display:flex}.score-strip>span{white-space:nowrap;align-items:baseline;gap:9px;display:flex}.score-strip small{color:var(--muted);text-transform:uppercase;letter-spacing:.09em;font-size:10px}.score-strip strong{font-variant-numeric:tabular-nums;font-size:16px;font-weight:500}.records-link{color:var(--muted);align-items:center;gap:7px;padding:8px 0;font-size:11px;display:flex}.records-link .ui-icon{width:18px;height:18px}.missing-stage{width:calc(var(--board) + 160px);grid-template-columns:80px var(--board) 80px;align-items:center;display:grid;position:relative}.missing-board{width:var(--board);aspect-ratio:1;grid-template-columns:repeat(var(--size),1fr);grid-template-rows:repeat(var(--size),1fr);background:var(--line);border:2px solid var(--line);border-radius:11px;gap:2px;display:grid;overflow:hidden;box-shadow:0 12px 30px #1d263b0b}.shape-cell{background:var(--bg);border-radius:0;justify-content:center;align-items:center;min-width:0;min-height:0;padding:0;display:flex}.shape-cell .shape-icon{width:56%;height:56%}.shape-cell.target-cell{background:var(--target)}.target-cell .ui-icon{opacity:.6;width:49%;height:49%}.shape-cell.answered{background:color-mix(in srgb,var(--success) 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