.checkers-board{display:grid;grid-template-columns:repeat(8,1fr);width:min(100%,440px);border:8px solid #6b9681;border-radius:13px;overflow:hidden;box-shadow:0 15px 25px #00151b50}.checkers-cell{aspect-ratio:1;padding:7px;display:flex;align-items:center;justify-content:center}.checkers-cell.light{background:#c1d4b7}.checkers-cell.dark{background:#3f7264}.checkers-cell:disabled{opacity:1}.checkers-cell .disc{display:flex;justify-content:center;align-items:center;color:#305147;font-size:26px;border:1px solid #4a736670}.piece-selected{box-shadow:inset 0 0 0 3px #ffe0bc}.checkers-cell .legal-dot{background:#ffe3bd}.gomoku-board{display:grid;grid-template-columns:repeat(11,1fr);width:min(100%,450px);padding:9px;border:5px solid #719281;border-radius:13px;background:#aec5ad;gap:1px}.gomoku-cell{aspect-ratio:1;padding:4px;display:grid;place-items:center;background:linear-gradient(transparent 49%,#588275 49%,#588275 51%,transparent 51%),linear-gradient(90deg,transparent 49%,#588275 49%,#588275 51%,transparent 51%);border-radius:4px}.gomoku-cell:disabled{opacity:1}.gomoku-cell:hover:not(:disabled){background-color:#e7e8c5}.gomoku-cell .disc{border:1px solid #557b7266}.sudoku-board,.mines-board{display:grid;grid-template-columns:repeat(9,1fr);width:min(100%,430px);gap:1px;background:#44796f;border:4px solid #719c87;border-radius:9px;overflow:hidden}.sudoku-cell{aspect-ratio:1;background:#dae6d4;color:#225f66;font-size:clamp(17px,2vw,26px);font-weight:500;padding:1px;position:relative;line-height:1}.sudoku-cell.given{background:#bccfb5;color:#254535;font-weight:700}.sudoku-cell:disabled{opacity:1}.sudoku-cell.box-right{border-right:2px solid #3b6a5a}.sudoku-cell.box-bottom{border-bottom:2px solid #3b6a5a}.sudoku-cell.cell-selected{background:#fff1ce;box-shadow:inset 0 0 0 2px #b47d58}.sudoku-cell.conflict{color:#a23049;box-shadow:inset 0 0 0 2px #bb5263}.pencil-notes{display:grid;grid-template-columns:repeat(3,1fr);position:absolute;inset:2px;font-size:8px;line-height:1.2}.pencil-notes i{display:flex;align-items:center;justify-content:center;font-style:normal}.number-pad{display:flex;justify-content:center;gap:6px;width:min(100%,430px);margin-top:18px}.number-button{flex:1;aspect-ratio:1;border:1px solid #97d8c64d;border-radius:7px;background:#17404a;color:var(--mint);font-weight:600;padding:0;font-size:18px}.puzzle-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:17px}.tool-button.toggled{background:#9ee1cb;color:#173f42}.mine-cell{aspect-ratio:1;background:linear-gradient(145deg,#477b6d,#29544f);color:#e7ecd0;font-weight:700;font-size:20px;padding:1px;border:1px solid #78a78e66;box-shadow:inset 0 2px 0 #ffffff16,0 2px 0 #153d36}.mine-cell.open{background:#c2d3b6;box-shadow:none;color:#34627a}.mine-cell.n2{color:#287850}.mine-cell.n3{color:#b2544b}.mine-cell.n4{color:#71529a}.mine-cell.mine-hit{background:#e2a48a;color:#752e2e}.mine-cell:disabled{opacity:1}.word-board{display:grid;grid-template-columns:repeat(10,1fr);width:min(100%,440px);padding:8px;gap:3px;border:1px solid var(--line);border-radius:13px;background:#092630;touch-action:none;user-select:none}.word-cell{aspect-ratio:1;border-radius:5px;background:#16404a;color:#d9ead9;font-size:17px;font-weight:600;padding:0}.word-cell.word-found{background:#6fae99;color:#103d36}.word-cell.word-selected{background:#ffd2ae;color:#26484a}.word-cell:disabled{opacity:1}.word-list{display:flex;justify-content:center;flex-wrap:wrap;gap:9px;width:min(100%,440px);margin-top:19px}.target-word{color:var(--muted);font-size:10px;letter-spacing:.08em;padding:5px 8px;border:1px solid var(--line);border-radius:6px}.target-word.found{color:var(--mint);text-decoration:line-through;border-color:#94eddd60}.domino-table{width:100%}.domino-opponent{text-align:center;font-size:11px;color:var(--muted);margin-bottom:20px}.domino-chain{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:5px;min-height:110px;border:1px solid var(--line);border-radius:14px;background:#09263070;padding:17px 10px}.domino-empty{text-align:center;font-size:12px;color:var(--muted)}.domino-tile{display:flex;flex-direction:column;gap:5px;border-radius:7px;background:linear-gradient(135deg,#f5f1db,#c9ddc8);border:1px solid #d3e1c5;box-shadow:0 4px 7px #00151b60;padding:6px;width:45px;flex-shrink:0;position:relative}.domino-tile::after{content:'';height:1px;background:#6d93816b;position:absolute;left:6px;right:6px;top:50%}.domino-half{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;aspect-ratio:1;width:100%}.pip{aspect-ratio:1;border-radius:50%;background:transparent}.pip.visible{background:#315952}.domino-ends{display:flex;justify-content:space-between;gap:16px;padding:15px 0 25px}.domino-table>.eyebrow{text-align:center}.domino-hand{display:flex;flex-wrap:wrap;gap:11px;justify-content:center}.domino-hand .domino-tile{width:54px;padding:8px;transition:transform .2s}.domino-hand .domino-tile:hover:not(:disabled){transform:translateY(-5px)}.domino-selected{outline:3px solid var(--coral);outline-offset:2px;transform:translateY(-5px)}
@media(max-width:480px){.checkers-board{border-width:5px}.checkers-cell{padding:4px}.checkers-cell .disc{font-size:19px}.gomoku-board{padding:5px;border-width:3px}.gomoku-cell{padding:3px}.sudoku-board,.mines-board{border-width:3px}.sudoku-cell{font-size:19px}.mine-cell{font-size:17px}.pencil-notes{font-size:7px}.number-pad{gap:4px}.number-button{font-size:16px}.word-board{padding:5px;gap:2px}.word-cell{font-size:14px}.word-list{gap:5px}.target-word{font-size:9px;padding:4px 6px}.domino-hand{gap:8px}.domino-hand .domino-tile{width:47px;padding:7px}.domino-chain .domino-tile{width:38px;padding:5px}.domino-half{gap:3px}.domino-ends .tool-button{padding-inline:18px}}