:root{color-scheme:light;--ink:#17211f;--muted:#61706c;--paper:#fbfcfa;--surface:#fff;--surface-2:#f1f5f1;--line:#dce5df;--line-strong:#bfcec5;--pond:#176d62;--pond-dark:#0d5149;--mint:#a9ddc9;--mint-soft:#e4f4ec;--coral:#e88872;--coral-soft:#fff0eb;--lilac:#9385cf;--lilac-soft:#f1effb;--sun:#e4ad52;--danger:#b9463d;--focus:#1769e0;--shadow:0 14px 42px #172d2714;--radius:18px;--font:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}:root[data-theme=dark]{color-scheme:dark;--ink:#edf5f1;--muted:#aabbb4;--paper:#101715;--surface:#17211e;--surface-2:#1e2b27;--line:#30413b;--line-strong:#455b53;--pond:#69c4ad;--pond-dark:#8bd5c2;--mint:#75c5ad;--mint-soft:#203d35;--coral:#f09c89;--coral-soft:#422a25;--lilac:#b8abea;--lilac-soft:#302c47;--sun:#edbd68;--danger:#ff9a91;--shadow:0 18px 52px #0000003d}@media 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15px;line-height:1.55}.mode-setup{max-width:720px;margin:0 auto}.mode-grid{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.mode-card{border:1px solid var(--line);background:var(--surface);min-height:110px;color:var(--ink);text-align:left;cursor:pointer;border-radius:14px;padding:17px}.mode-card:hover,.mode-card.active{border-color:var(--pond);background:var(--mint-soft)}.mode-card strong,.mode-card span{display:block}.mode-card span{color:var(--muted);margin-top:6px;font-size:13px;line-height:1.45}.setup-controls{grid-template-columns:1fr 1fr;gap:12px;margin-top:18px;display:grid}.field{gap:7px;display:grid}.field label{font-size:13px;font-weight:750}.field input,.field select{border:1px solid var(--line-strong);background:var(--surface);width:100%;min-height:46px;color:var(--ink);border-radius:10px;padding:8px 11px}.setup-submit{margin-top:18px}.crossword-layout{grid-template-columns:minmax(300px,1fr) minmax(260px,.75fr);align-items:start;gap:34px;display:grid}.crossword-grid{aspect-ratio:1;border:2px solid var(--ink);background:var(--ink);grid-template-columns:repeat(7,1fr);gap:1px;width:min(100%,520px);display:grid}.cross-cell{background:var(--surface);min-width:0;color:var(--ink);cursor:pointer;border:0;padding:0;position:relative}.cross-cell.block{background:var(--ink);cursor:default}.cross-cell.word{background:var(--mint-soft)}.cross-cell.selected{box-shadow:inset 0 0 0 3px var(--pond);z-index:2}.cross-cell.error{box-shadow:inset 0 0 0 3px var(--danger)}.cross-cell .number{font-size:clamp(7px,1vw,10px);line-height:1;position:absolute;top:2px;left:3px}.cross-cell .cell-letter{text-transform:uppercase;font-size:clamp(18px,4vw,31px);font-weight:760}.clue-panel h2{margin:0 0 12px;font-size:18px}.clue-list{gap:4px;margin:0 0 24px;padding:0;list-style:none;display:grid}.clue-button{width:100%;min-height:40px;color:var(--muted);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;grid-template-columns:24px 1fr;gap:4px;padding:8px 10px;display:grid}.clue-button:hover,.clue-button.active{background:var(--mint-soft);color:var(--ink)}.clue-button strong{color:var(--pond)}.active-clue-mobile{border:1px solid var(--line);background:var(--surface-2);border-radius:10px;margin-top:12px;padding:12px;display:none}.accent-note{color:var(--muted);font-size:13px}.sudoku-wrap{max-width:660px;margin:0 auto}.sudoku-grid{aspect-ratio:1;border:3px solid var(--ink);background:var(--line-strong);grid-template-columns:repeat(9,1fr);gap:1px;width:min(100%,560px);margin:0 auto;display:grid}.sudoku-cell{background:var(--surface);min-width:0;color:var(--pond-dark);cursor:pointer;border:0;padding:0;font-size:clamp(19px,4vw,30px);font-weight:700;position:relative}.sudoku-cell:nth-child(3n):not(:nth-child(9n)){border-right:2px solid var(--ink)}.sudoku-cell:nth-child(n+19):nth-child(-n+27),.sudoku-cell:nth-child(n+46):nth-child(-n+54){border-bottom:2px solid var(--ink)}.sudoku-cell.given{color:var(--ink);background:var(--surface-2);font-weight:820}.sudoku-cell.peer{background:color-mix(in srgb, var(--mint-soft) 72%, var(--surface))}.sudoku-cell.same{color:var(--pond);background:var(--mint-soft)}.sudoku-cell.selected{box-shadow:inset 0 0 0 3px var(--pond);z-index:2}.sudoku-cell.conflict{color:var(--danger);box-shadow:inset 0 0 0 2px var(--danger)}.notes-grid{color:var(--muted);grid-template-columns:repeat(3,1fr);place-items:center;font-size:clamp(6px,1.3vw,11px);font-weight:650;display:grid;position:absolute;inset:3px}.number-pad{grid-template-columns:repeat(9,1fr);gap:6px;margin:20px auto 0;display:grid}.number-pad button{border:1px solid var(--line-strong);background:var(--surface);min-width:0;min-height:48px;color:var(--pond);cursor:pointer;border-radius:9px;padding:0;font-size:20px;font-weight:800}.number-pad button:hover{border-color:var(--pond);background:var(--mint-soft)}.sudoku-tools{flex-wrap:wrap;justify-content:center;gap:7px;margin-top:12px;display:flex}.hint-explanation{border:1px solid var(--sun);background:color-mix(in srgb, var(--sun) 10%, var(--surface));max-width:560px;color:var(--muted);border-radius:11px;margin:16px auto 0;padding:13px 15px}.progress-dashboard{gap:22px;display:grid}.progress-top{grid-template-columns:.75fr 1.25fr;gap:18px;display:grid}.stat-card,.calendar-card,.achievement-card{border:1px solid var(--line);background:var(--surface);border-radius:16px;padding:22px}.stat-card strong.big{letter-spacing:-.05em;font-size:42px;display:block}.stat-card span{color:var(--muted)}.calendar{grid-template-columns:repeat(7,1fr);gap:6px;margin-top:18px;display:grid}.calendar i{aspect-ratio:1;border:1px solid var(--line);background:var(--surface-2);border-radius:6px}.calendar i.done{border-color:var(--pond);background:var(--pond)}.game-stat-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.stat-list{grid-template-columns:1fr auto;gap:10px;margin:18px 0 0;display:grid}.stat-list dt{color:var(--muted)}.stat-list dd{margin:0;font-weight:750}.achievements{flex-wrap:wrap;gap:9px;display:flex}.achievement{border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:9px 12px;font-size:13px}.achievement.unlocked{border-color:var(--pond);background:var(--mint-soft);color:var(--pond-dark);font-weight:720}@media (width<=820px){.hangman-layout,.crossword-layout{grid-template-columns:1fr}.pond-illustration{min-height:190px}.clue-panel{display:none}.active-clue-mobile{display:block}.crossword-grid{margin-inline:auto}.progress-top,.game-stat-grid{grid-template-columns:1fr}}@media (width<=560px){.game-board-area{padding:16px 10px 22px}.game-toolbar{align-items:flex-start}.toolbar-group{max-width:75%}.game-title-row{align-items:flex-start}.mode-grid,.setup-controls{grid-template-columns:1fr}.mode-card{min-height:90px}.pond-illustration{min-height:160px}.key{width:34px;min-height:42px}.word-slots{gap:5px}.crossword-grid{width:100%}.cross-cell .number{top:1px;left:2px}.sudoku-grid{width:100%}.number-pad{gap:3px}.number-pad button{border-radius:7px;min-height:42px}.completion-panel{margin-inline:10px;padding:18px}.result-stats{gap:14px 22px}}