.nu-page{--nu-ink:#193f33;--nu-muted:#687760;--nu-line:#dce5d4;--nu-tint:#f0f5e9;--nu-accent:#365b39;color:var(--nu-ink);max-width:1220px;margin:0 auto;padding:36px 0 60px;min-width:0}
.nu-page *{box-sizing:border-box}.nu-page :is(h1,h2,h3,p){overflow-wrap:anywhere}.nu-page h1{font-size:clamp(2rem,4vw,3rem);font-weight:750;letter-spacing:-.045em;line-height:1.14;margin:10px 0 13px}.nu-page h2{font-size:1.3rem;font-weight:700;letter-spacing:-.025em;line-height:1.35}.nu-page h3{font-size:1.18rem;font-weight:700;line-height:1.4}.nu-page p{line-height:1.7}.nu-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:28px}.nu-heading p{color:var(--nu-muted);margin:0;max-width:680px;font-size:.95rem}.nu-back{display:block;font-size:.83rem;color:#49684a;text-decoration:none;font-weight:600;margin-bottom:20px}.nu-heading a:not(.btn){color:#49684a;text-decoration:none}.nu-eyebrow{display:block;font-size:.68rem;text-transform:uppercase;letter-spacing:.12em;font-weight:750;color:#70805d;margin-bottom:8px}.nu-page .btn{border-radius:10px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:11px 18px;font-size:.85rem;font-weight:650;white-space:normal}.nu-page .btn-primary{background:#254e39;border-color:#254e39;color:#fff}.nu-page .btn-primary:hover,.nu-page .btn-primary:focus-visible{background:#183d2b;border-color:#183d2b;color:#fff}.nu-page .btn-primary:disabled{background:#748d78;border-color:#748d78;color:#fff}.nu-page .btn-outline-success{color:#365b3b;background:transparent;border-color:#bacbb1}.nu-page .btn-outline-success:hover{background:#365b3b;border-color:#365b3b;color:#fff}.nu-page :is(button,a,input,select,textarea):focus-visible{outline:3px solid #b68325;outline-offset:3px;box-shadow:none}.nu-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.nu-actions a:not(.btn){color:#45643e;font-size:.85rem}.nu-tag{display:inline-flex;border-radius:6px;background:#e9efdd;color:#547140;padding:6px 9px;font-size:.7rem;font-weight:700;letter-spacing:.04em}.nu-daily{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(220px,1fr);gap:30px;background:#f3f1e5;border:1px solid #e3ddc3;padding:clamp(26px,4vw,50px);border-radius:22px;overflow:hidden}.nu-sudoku .nu-daily{background:#eef3e6;border-color:#d9e2cb}.nu-daily-meta{display:flex;align-items:center;gap:15px}.nu-daily-meta time{font-size:.79rem;color:#7a7d65}.nu-daily h2{font-size:clamp(1.8rem,3vw,2.5rem);max-width:550px;margin:24px 0 16px}.nu-daily>div>p{font-size:.97rem;color:#647051;max-width:490px}.nu-daily small{display:block;font-size:.75rem;color:#737d62;margin-top:18px}.nu-daily-stats,.nu-player-meta{display:flex;gap:18px;flex-wrap:wrap;color:#6e7d5d;font-size:.78rem;margin:19px 0 23px}.nu-daily-stats span+span:before,.nu-player-meta span+span:before{content:'·';margin-right:15px}.nu-daily-art{display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;gap:14px;align-self:center;justify-self:center;width:260px;min-height:245px;border:1px solid #dfd5b5;background:#fffdf4a8;border-radius:28px;transform:rotate(5deg);box-shadow:10px 16px 30px #4d4d2110}.nu-art-lock{display:block;width:62px;color:#998146}.nu-art-lock svg{width:100%;fill:none;stroke:currentColor;stroke-width:2.2}.nu-art-code{display:flex;gap:10px}.nu-art-code span{display:grid;place-items:center;width:47px;height:57px;border:1px solid #d9d3ba;border-radius:9px;background:#fffef9;color:#5e7141;font-size:1.8rem;font-weight:650;box-shadow:0 4px 0 #e5dec8}.nu-art-code span:last-child{background:#e9eedb;color:#69824d;border-style:dashed}.nu-art-label{font-size:.56rem;letter-spacing:.2em;font-weight:750;color:#8a825f;text-transform:uppercase;margin-top:7px}.nu-art-sudoku{display:grid;grid-template-columns:repeat(3,1fr);width:176px;height:176px;border:2px solid #94a47e;border-radius:4px;overflow:hidden;background:#fffef7}.nu-art-sudoku span{display:grid;place-items:center;border:1px solid #e1e8d5;font-size:1.7rem;color:#73885e}.nu-art-sudoku span:nth-child(5){background:#e6edd7;color:#416237}.nu-sudoku .nu-daily-art{border-color:#d7dfc7;background:#fbfcf6b8}.nu-how-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding:27px 6px;border-bottom:1px solid var(--nu-line);color:#6d7c5f;font-size:.79rem}.nu-how-strip>span{display:flex;align-items:center;gap:12px}.nu-how-strip b{display:grid;place-items:center;flex:none;width:30px;height:30px;background:#edf2e3;border-radius:50%;font-size:.66rem;color:#84916e}.nu-join{display:flex;align-items:center;justify-content:space-between;gap:25px;border:1px solid var(--nu-line);background:#fff;border-radius:16px;padding:30px;margin-top:32px}.nu-join p{font-size:.88rem;color:var(--nu-muted);margin:7px 0 0}.nu-join h2{margin:0}.nu-library{margin-top:42px}.nu-filters{display:flex;gap:12px}.nu-filters label{font-size:.73rem;font-weight:650;color:#6d7d5d}.nu-filters select{font-size:.83rem;min-width:125px;margin-top:6px}.nu-library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.nu-library-card{border:1px solid var(--nu-line);border-radius:15px;background:#fff;padding:24px;display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s}.nu-library-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px #3d592514}.nu-library-card>div{display:flex;align-items:center;justify-content:space-between;gap:10px}.nu-library-card>div>span:last-child{font-size:.7rem;color:#7e896f}.nu-library-card h3{margin:23px 0 12px}.nu-library-card p{font-size:.77rem;color:#7a866a}.nu-library-card a{font-size:.84rem;font-weight:700;color:#44673b;text-decoration:none;padding-top:20px;margin-top:auto}.nu-empty,.nu-loading{border:1px dashed #cfdbc1;background:#f8faf4;color:#6f7d5e;padding:35px;border-radius:14px;text-align:center}.nu-loading{display:flex;align-items:center;justify-content:center;gap:14px}.nu-player-heading{align-items:flex-end}.nu-player-meta{margin:16px 0 0}.nu-introduction{background:#f6f7ed;border-left:3px solid #d3dcbf;padding:17px 22px;font-size:.89rem;color:#6a775c;border-radius:0 10px 10px 0;margin-bottom:24px;white-space:pre-line}.nu-play-layout{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,1fr);gap:26px;align-items:start}.nu-play-primary,.nu-play-aside{min-width:0}.nu-play-aside{display:grid;gap:22px}.nu-board-card{container-type:inline-size;container-name:numberboard;border:1px solid var(--nu-line);border-radius:17px;background:#fff;padding:25px;min-width:0}.nu-board-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:23px}.nu-board-heading h2{margin:0;font-size:1.18rem}.nu-mini-count{display:inline-flex;flex:none;font-size:.73rem;font-weight:600;border:1px solid #dde5d0;color:#748365;border-radius:7px;padding:7px 10px}.nu-sudoku-grid{max-width:560px;width:100%;margin:0 auto;border:2px solid #526d45;background:#fff;overflow:hidden;border-radius:5px}.nu-sudoku-row{display:grid;grid-template-columns:repeat(9,minmax(0,1fr))}.nu-sudoku-row:nth-child(3),.nu-sudoku-row:nth-child(6){border-bottom:2px solid #526d45}.nu-sudoku-row:nth-child(3) .nu-sudoku-cell,.nu-sudoku-row:nth-child(6) .nu-sudoku-cell,.nu-sudoku-row:last-child .nu-sudoku-cell{border-bottom:0}.nu-sudoku-cell{position:relative;aspect-ratio:1;width:100%;min-width:0;min-height:0;padding:0;border:0;border-right:1px solid #d8e2ce;border-bottom:1px solid #d8e2ce;background:#fff;color:#347751;display:grid;place-items:center;line-height:1;border-radius:0;cursor:pointer;transition:background .1s}.nu-sudoku-cell:nth-child(3),.nu-sudoku-cell:nth-child(6){border-right:2px solid #526d45}.nu-sudoku-cell:last-child{border-right:0}.nu-sudoku-cell .nu-digit{font-size:clamp(1.05rem,4.9cqi,1.8rem);font-weight:500}.nu-sudoku-cell.is-given{color:#294b31}.nu-sudoku-cell.is-given .nu-digit{font-weight:750}.nu-sudoku-cell.is-peer{background:#f2f6ed}.nu-sudoku-cell.is-same{background:#e1ecd4}.nu-sudoku-cell.is-selected{background:#f6e2aa;box-shadow:inset 0 0 0 2px #b88e35;z-index:1}.nu-sudoku-cell.is-conflict{background:#ffebe2;color:#ac4c35}.nu-sudoku-cell.is-conflict .nu-digit{ text-decoration:underline;text-underline-offset:4px}.nu-sudoku-cell.is-selected.is-conflict{background:#f8dbc8}.nu-sudoku-cell.is-revealed:after{content:'';position:absolute;top:4px;right:4px;width:5px;height:5px;border-radius:50%;background:#b58b35}.nu-sudoku-cell:focus-visible{outline:3px solid #ad7d29;outline-offset:-3px;box-shadow:none;z-index:2}.nu-sudoku-cell:disabled{opacity:1;cursor:default}.nu-cell-notes{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);position:absolute;inset:4px;font-size:clamp(.42rem,1.9cqi,.65rem);line-height:1;color:#7a8a65}.nu-cell-notes>span{display:grid;place-items:center}.nu-board-legend{display:flex;flex-wrap:wrap;align-items:center;gap:13px;padding-top:17px;font-size:.66rem;color:#7e8b70}.nu-board-legend>span{display:flex;gap:5px;align-items:center}.nu-board-legend i{width:7px;height:7px;border-radius:50%;display:inline-block}.nu-legend-given{background:#294b31}.nu-legend-entry{background:#4a8a5f}.nu-board-legend label{display:flex;align-items:center;gap:7px;margin-left:auto;cursor:pointer}.nu-board-legend input{accent-color:#5d7f44;width:14px;height:14px}.nu-keyboard-help{font-size:.69rem!important;color:#849173;line-height:1.6!important;margin:13px 0 21px}.nu-numberpad{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-top:21px}.nu-numberpad button{min-height:49px;border:1px solid #d9e3cd;border-radius:9px;background:#f4f7ec;color:#355e3d;font-size:1.3rem;font-weight:650;line-height:1;box-shadow:0 2px 0 #e4eadb;transition:background .12s}.nu-numberpad button:hover:not(:disabled){background:#e7efdb;border-color:#9fb78a}.nu-numberpad button:active:not(:disabled){box-shadow:none;transform:translateY(1px)}.nu-numberpad button.is-pencil{font-size:.95rem;color:#84936d;background:#fafbf7}.nu-numberpad button:disabled{opacity:.45;box-shadow:none}.nu-pad-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:16px}.nu-pad-actions button{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border:1px solid #dce5d3;background:#fff;color:#6e835c;font-size:.76rem;border-radius:9px;padding:9px 15px}.nu-pad-actions button>span{font-size:1.2rem}.nu-pad-actions button small{background:#edf2e4;border-radius:4px;padding:3px 5px;font-size:.6rem}.nu-pad-actions button.is-active{color:#335c30;background:#edf3e3;border-color:#9bb786}.nu-pad-actions button.is-active small{background:#557b3e;color:#fff}.nu-pad-actions button:disabled{opacity:.45}.nu-code-rule{display:flex;justify-content:center;gap:9px;flex-wrap:wrap;margin-bottom:25px}.nu-code-rule>span{font-size:.72rem;border:1px solid #e3dfcc;color:#827650;background:#fbf8ee;border-radius:6px;padding:6px 9px}.nu-code-slots{display:flex;gap:12px;justify-content:center;margin:29px 0 19px}.nu-code-slot{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:13px;flex:1;max-width:82px;height:112px;border:1px solid #dedfc8;border-radius:12px;background:#fafbf5;color:#4b6740;box-shadow:0 4px 0 #e6ebda;transition:background .12s,border-color .12s}.nu-code-slot>span{font-size:2.6rem;font-weight:650;line-height:1}.nu-code-slot>small{font-size:.62rem;color:#98a185}.nu-code-slot.is-selected{background:#fff7df;border-color:#bd9b4d;box-shadow:0 4px 0 #e2cca0}.nu-code-slot.is-revealed{border-color:#bd9b4d;background:#f4f0df}.nu-code-slot.is-revealed>small{color:#a2833d}.nu-code-slot:disabled{opacity:1;cursor:default}.nu-code-leading-zero{font-size:.72rem!important;color:#8d927a;text-align:center;margin:20px 0 10px}.nu-code-board>.nu-keyboard-help{text-align:center;margin-bottom:0}.nu-code-evidence{border:1px solid var(--nu-line);background:#fff;border-radius:16px;padding:25px}.nu-code-evidence>header{display:flex;align-items:center;justify-content:space-between;gap:12px}.nu-code-evidence h2{margin:0;font-size:1.17rem}.nu-code-evidence>p{color:#7a866b;font-size:.77rem;margin:15px 0 19px}.nu-code-evidence ol{padding:0;margin:0;list-style:none;display:grid;gap:12px}.nu-code-evidence li{background:#fafbf5;border:1px solid #e1e7d6;border-radius:11px;padding:15px}.nu-clue-top{display:flex;align-items:center;gap:12px}.nu-clue-index{flex:none;font-size:.62rem;color:#94a07f;font-weight:700;min-width:10px}.nu-clue-digits{display:flex;gap:6px;flex-wrap:wrap}.nu-clue-digits span{width:30px;height:34px;display:grid;place-items:center;border:1px solid #dde4ce;border-radius:5px;background:#fffef9;color:#526e3f;font-size:1.05rem;font-weight:650}.nu-clue-check{margin-left:auto;min-width:30px;min-height:36px;display:grid;place-items:center;cursor:pointer}.nu-clue-check input{accent-color:#5e7f45;width:17px;height:17px;margin:0}.nu-clue-feedback{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:.72rem;color:#71815f;margin-top:14px}.nu-clue-feedback>span{display:flex;align-items:center;gap:6px}.nu-clue-feedback i{display:inline-block;width:7px;height:7px;border-radius:50%;flex:none}.nu-dot-exact{background:#5b8450}.nu-dot-moved{background:#bd9b4f}.nu-code-evidence li>small{display:block;font-size:.67rem;color:#8b957c;margin:9px 0 0}.nu-code-evidence li.is-used{background:#eef4e4;border-color:#cadbb8}.nu-code-evidence li.is-used .nu-clue-digits{opacity:.65}.nu-code-evidence li.is-used .nu-clue-index{color:#547446}.nu-notes{margin-top:22px}.nu-notes label{display:block;font-size:.82rem;font-weight:650;margin-bottom:9px}.nu-notes textarea{border:1px solid #dce5d2;background:#fafbf6;border-radius:11px;resize:vertical;line-height:1.7;font-size:.86rem;color:#38573c}.nu-notes small{display:block;font-size:.7rem;color:#849273;margin-top:8px}.nu-rules-card,.nu-session-card,.nu-attempts{padding:26px;border:1px solid var(--nu-line);border-radius:16px;background:#fff}.nu-rules-card h2,.nu-session-card h2,.nu-attempts h2{font-size:1.15rem;margin:0 0 20px}.nu-rules-card ol{padding-left:20px;font-size:.88rem;line-height:1.7;color:#60794d}.nu-rules-card li{padding:5px 0 12px 4px}.nu-rule-note{font-size:.78rem;line-height:1.7;color:#778564;padding-top:17px;border-top:1px solid #e4eadb}.nu-session-card dl{display:grid;gap:13px;margin:0}.nu-session-card dl>div{display:flex;justify-content:space-between;gap:15px}.nu-session-card dt{font-size:.78rem;font-weight:450;color:#7a896a}.nu-session-card dd{font-size:.85rem;font-weight:700;margin:0;color:#47643b}.nu-session-card p{font-size:.77rem;color:#7b8b68;margin:22px 0 0}.nu-attempts ol{list-style:none;padding:0;margin:0;display:grid;gap:11px;max-height:250px;overflow:auto}.nu-attempts li{display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:.72rem;color:#8b8163}.nu-attempts code{font-family:inherit;letter-spacing:.18em;background:#f4f5e9;border-radius:5px;padding:6px 9px;color:#677750;font-weight:700;font-size:.87rem}.nu-player-toolbar{position:sticky;bottom:12px;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:17px 20px;margin-top:27px;background:#fffffaf2;backdrop-filter:blur(12px);border:1px solid #d8e2cc;border-radius:14px;box-shadow:0 7px 28px #36541f13}.nu-player-toolbar>div:first-child{display:grid;gap:4px}.nu-player-toolbar strong{font-size:.8rem}.nu-player-toolbar [role=status]{font-size:.7rem;color:#82906f}.nu-player-toolbar .btn{padding:10px 14px;font-size:.77rem}.nu-help{background:#f4f7ec;border:1px solid #d8e5c9;border-radius:14px;padding:24px;margin-bottom:25px}.nu-help h2{font-size:1.15rem}.nu-help p{font-size:.85rem;color:#6f805b;margin-bottom:12px}.nu-completed{display:flex;align-items:center;gap:20px;padding:28px;border:1px solid #cadbb8;background:#eaf2df;border-radius:16px;margin-bottom:25px}.nu-completed-icon{width:56px;height:56px;display:grid;place-items:center;border-radius:50%;background:#d9e8c6;color:#5b7e3e;font-size:1.8rem;flex:none}.nu-completed h2{margin:0 0 6px}.nu-completed p{font-size:.85rem;color:#688151;margin:0}.nu-completed .btn{margin-left:auto}.nu-feedback,.nu-error{border-radius:12px;padding:18px 22px;margin:19px 0;font-size:.85rem;line-height:1.7}.nu-feedback{background:#ecf4e3;border:1px solid #d0e0c1;color:#4a7035}.nu-error{background:#fff5eb;border:1px solid #e9ceb3;color:#89552c}.nu-error p{margin:0 0 12px}.nu-confirm .modal-content{border:1px solid #d9e0cb;border-radius:18px;padding:8px}.nu-confirm .modal-title{font-size:1.2rem;font-weight:700;color:#305733}.nu-confirm .modal-body{font-size:.9rem;line-height:1.7;color:#7a8466}.nu-confirm .btn{border-radius:9px;min-height:44px;font-size:.84rem}.nu-confirm .btn-primary{color:#fff;background:#254e39;border-color:#254e39}.nu-confirm .btn-primary:hover{color:#fff;background:#183d2b}.nu-studio-note{display:flex;align-items:center;gap:14px;background:#f0f5e6;border:1px solid #d8e4c8;color:#65814d;border-radius:12px;padding:18px 22px;font-size:.85rem;margin-bottom:24px}.nu-studio-note p{margin:0}.nu-admin-filters{display:flex;align-items:end;gap:14px;margin-bottom:23px}.nu-admin-filters label{font-size:.75rem;font-weight:650;color:#718260;flex:1}.nu-admin-filters label:first-child{flex:2}.nu-admin-filters .form-control,.nu-admin-filters .form-select{margin-top:7px;border-color:#d8e2cb;border-radius:9px;min-height:44px;font-size:.85rem}.nu-table-scroll{border:1px solid var(--nu-line);background:#fff;border-radius:13px;overflow:auto}.nu-admin-table{width:100%;min-width:660px;border-collapse:collapse}.nu-admin-table thead th{padding:18px 20px;background:#f4f7ec;color:#728361;font-weight:650;font-size:.72rem;text-align:left;border-bottom:1px solid var(--nu-line)}.nu-admin-table tbody th,.nu-admin-table td{padding:21px 20px;font-size:.83rem;font-weight:450;border-bottom:1px solid #e7ecdc;color:#738262;text-align:left}.nu-admin-table tbody th>a{font-size:.9rem;font-weight:700}.nu-admin-table a{color:#345b35;text-decoration:none;font-weight:650}.nu-admin-table small{display:block;font-size:.68rem;color:#8b957e;margin-top:8px}.nu-pagination{display:flex;align-items:center;justify-content:flex-end;gap:16px;margin-top:22px;font-size:.8rem;color:#7b8b67}.nu-editor-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;border:1px solid var(--nu-line);border-radius:13px;background:#fff;margin-bottom:23px}.nu-editor-toolbar>span{font-size:.8rem;color:#7d8b6c}.nu-editor-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:24px;border:0;margin:0;padding:0;min-width:0}.nu-editor-main{display:grid;gap:22px;min-width:0}.nu-editor-panel{padding:26px;border:1px solid var(--nu-line);border-radius:15px;background:#fff;min-width:0}.nu-editor-panel h2{font-size:1.2rem;margin-bottom:20px}.nu-editor-panel .nu-heading{margin-bottom:18px}.nu-editor-panel .nu-heading h2{margin:0}.nu-editor-panel>label{display:block;font-size:.8rem;color:#5c7449;font-weight:600;margin:18px 0}.nu-editor .form-control,.nu-editor .form-select{border-color:#d8e3c9;border-radius:8px;background-color:#fbfcf8;color:#365638;font-size:.85rem;min-height:44px;margin-top:7px;min-width:0}.nu-editor textarea{line-height:1.7;resize:vertical}.nu-field-help{font-size:.76rem;color:#7e8c6b;line-height:1.7;margin:10px 0 20px}.nu-editor-sidebar{display:grid;align-content:start;gap:20px;min-width:0}.nu-editor-sidebar .nu-editor-panel{padding:23px}.nu-editor-sidebar h2{font-size:1.07rem}.nu-editor-sidebar label{font-size:.75rem}.nu-editor-sidebar .btn{width:100%;font-size:.8rem}.nu-example-buttons{display:grid;margin:13px 0 0}.nu-text-button{display:inline-flex;align-items:center;min-height:44px;padding:8px 0;border:0;background:transparent;color:#607c47;font-weight:650;font-size:.77rem;text-align:left;text-decoration:underline;text-underline-offset:4px}.nu-text-button:hover{color:#35532b}.nu-publish-actions{display:grid;gap:9px}.nu-clue-editor{padding:20px;background:#fbfcf7;border:1px solid #dfe7d3;border-radius:12px;margin:16px 0}.nu-clue-editor-heading{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}.nu-clue-editor-heading>strong{font-size:.8rem;color:#6a8252}.nu-icon-button{min-width:36px;min-height:38px;border:1px solid #dce6cd;border-radius:8px;background:#fff;color:#7b8f62;font-size:1rem}.nu-icon-button:disabled{opacity:.35}.nu-clue-fields{display:grid;grid-template-columns:1fr 1fr 1fr;gap:15px}.nu-clue-fields label{font-size:.72rem;font-weight:600;color:#758764}.nu-clue-guess{letter-spacing:.14em;font-weight:700}.nu-rendered-clue{background:#f1f6e7;border-left:3px solid #bdcfa4;padding:11px 15px;margin:18px 0 0;font-size:.78rem;color:#6d8554}.nu-author-board{container-type:inline-size;container-name:numberboard;max-width:530px;margin:23px auto}.nu-edit-givens-board .nu-pad-pencil{display:none}.nu-author-board .nu-code-evidence{margin-top:23px}.nu-import-grid{padding:18px;background:#f7faf0;border:1px solid #e2ead6;border-radius:10px;margin-top:24px}.nu-import-grid summary{font-size:.8rem;color:#587445;font-weight:650;cursor:pointer}.nu-import-grid label{display:block;font-size:.74rem;color:#7e8e6c;margin-top:16px}.nu-grid-text{font-family:ui-monospace,monospace;letter-spacing:.15em;line-height:1.5!important;max-width:310px}.nu-validation-good{padding:20px;border:1px solid #d3e3c1;background:#eff6e6;border-radius:12px;color:#587a40;margin:20px 0}.nu-validation-good strong{font-size:.9rem}.nu-validation-good p{font-size:.8rem;margin:8px 0 0}.nu-validation-good>span{display:block;font-size:.77rem;margin-top:10px}.nu-preview-notice{padding:13px 17px;background:#fbf6e7;border-radius:9px;font-size:.76rem;color:#917b4b;margin:22px 0}.nu-preview-actions{margin:22px 0}.nu-solution{border:1px solid #dbe5cc;padding:17px 20px;border-radius:10px;font-size:.8rem;color:#5f7c46;margin-top:24px}.nu-solution summary{font-weight:650;cursor:pointer}.nu-solution-grid{display:grid;gap:5px;margin-top:18px}.nu-solution-grid code{color:#60794a;letter-spacing:.4em;font-size:.95rem}.nu-solution-code{display:block;font-size:1.5rem;letter-spacing:.3em;color:#617842;margin:20px 0 8px}
@container numberboard (min-width:460px){.nu-numberpad:not(.has-zero){grid-template-columns:repeat(9,minmax(0,1fr))}}@container numberboard (min-width:520px){.nu-numberpad.has-zero{grid-template-columns:repeat(10,minmax(0,1fr))}}
@media(min-width:1450px){.nu-page{padding-left:15px;padding-right:15px}}@media(max-width:1100px){.nu-play-layout{grid-template-columns:minmax(0,1fr)}.nu-play-primary{max-width:710px;width:100%;margin:0 auto}.nu-play-aside{grid-template-columns:repeat(2,minmax(0,1fr))}.nu-code-evidence{grid-column:1/-1}.nu-code-evidence ol{grid-template-columns:repeat(2,minmax(0,1fr))}.nu-library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.nu-editor-layout{grid-template-columns:minmax(0,1fr) 260px}.nu-editor-panel{padding:23px}.nu-clue-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.nu-clue-fields label:first-child{grid-column:1/-1}.nu-daily-art{transform:scale(.88) rotate(5deg)}}
@media(max-width:800px){.nu-page{padding-top:24px}.nu-daily{grid-template-columns:minmax(0,1.4fr) minmax(160px,.8fr);gap:10px}.nu-daily-art{transform:scale(.72) rotate(5deg);width:230px}.nu-editor-layout{grid-template-columns:minmax(0,1fr)}.nu-editor-sidebar{grid-template-columns:repeat(2,minmax(0,1fr))}.nu-how-strip{font-size:.74rem;gap:16px}.nu-player-toolbar{flex-wrap:wrap}.nu-player-toolbar .nu-actions{margin-left:auto}.nu-heading{align-items:flex-start}}
@media(max-width:560px){.nu-page{padding:23px 0 38px}.nu-heading{flex-direction:column;gap:15px;margin-bottom:24px}.nu-heading p{font-size:.88rem}.nu-heading h1{font-size:2.05rem}.nu-daily{display:block;padding:26px;border-radius:17px}.nu-daily h2{font-size:1.9rem;margin:23px 0 16px}.nu-daily>div>p{font-size:.89rem}.nu-daily .btn{width:100%}.nu-daily-art{display:none}.nu-daily-meta{gap:10px}.nu-daily-meta time{font-size:.74rem}.nu-how-strip{display:flex;flex-direction:column;padding:20px 0;gap:12px;font-size:.77rem}.nu-how-strip b{width:27px;height:27px;font-size:.61rem}.nu-join{flex-direction:column;align-items:flex-start;padding:24px;gap:20px}.nu-join h2{font-size:1.25rem}.nu-filters{width:100%}.nu-filters label{flex:1}.nu-filters select{min-width:0;width:100%}.nu-library-grid{grid-template-columns:1fr}.nu-library-card{padding:23px}.nu-player-heading .btn{font-size:.78rem}.nu-player-meta{margin-top:14px;font-size:.73rem}.nu-play-layout{gap:22px}.nu-play-aside{grid-template-columns:1fr}.nu-board-card{padding:22px 14px;border-radius:15px}.nu-board-heading{padding:0 3px;margin-bottom:20px}.nu-board-heading h2{font-size:1.07rem}.nu-board-heading .nu-eyebrow{font-size:.6rem}.nu-mini-count{font-size:.67rem;padding:6px 8px}.nu-sudoku-wrap{margin:0 -14px}.nu-sudoku-grid{border-radius:0;border-left-width:1px;border-right-width:1px}.nu-sudoku-cell .nu-digit{font-size:clamp(1.12rem,5.8cqi,1.5rem)}.nu-sudoku-cell.is-revealed:after{top:2px;right:2px;width:4px;height:4px}.nu-cell-notes{inset:3px;font-size:clamp(.42rem,2cqi,.55rem)}.nu-board-legend{padding:16px 14px 0;gap:10px;font-size:.59rem}.nu-board-legend label{gap:5px}.nu-board-legend input{width:13px;height:13px}.nu-sudoku-wrap>.nu-keyboard-help{padding:0 14px;margin:12px 0 18px;font-size:.64rem!important}.nu-numberpad{gap:8px;margin-top:18px}.nu-numberpad button{min-height:49px;font-size:1.25rem}.nu-pad-actions{gap:10px;margin-top:15px}.nu-pad-actions button{flex:1;padding:9px 10px;font-size:.73rem}.nu-code-slots{gap:8px;margin:25px 0 19px}.nu-code-slot{height:91px;max-width:72px;gap:11px;border-radius:10px}.nu-code-slot>span{font-size:2.1rem}.nu-code-slot>small{font-size:.57rem}.nu-code-rule{gap:7px;margin-bottom:20px}.nu-code-rule>span{font-size:.65rem;padding:6px 8px}.nu-code-leading-zero{font-size:.67rem!important}.nu-code-board>.nu-keyboard-help{font-size:.64rem!important;margin-bottom:18px}.nu-code-evidence{padding:23px 18px}.nu-code-evidence ol{grid-template-columns:1fr}.nu-code-evidence>p{font-size:.74rem}.nu-clue-digits span{width:31px;height:35px;font-size:1rem}.nu-clue-top{gap:10px}.nu-clue-feedback{font-size:.71rem;gap:9px 14px}.nu-clue-check{min-height:44px;min-width:32px}.nu-notes textarea{font-size:16px}.nu-rules-card,.nu-session-card,.nu-attempts{padding:23px 20px}.nu-rules-card li{font-size:.84rem}.nu-player-toolbar{bottom:8px;padding:13px;border-radius:12px;gap:12px}.nu-player-toolbar>div:first-child{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px}.nu-player-toolbar strong{font-size:.68rem}.nu-player-toolbar [role=status]{font-size:.64rem}.nu-player-toolbar .nu-actions{width:100%;display:grid;grid-template-columns:auto 1fr 1fr;gap:6px}.nu-player-toolbar .btn{font-size:.67rem;padding:9px 8px;min-height:46px;gap:4px}.nu-completed{padding:23px;flex-wrap:wrap;gap:15px}.nu-completed-icon{width:42px;height:42px;font-size:1.4rem}.nu-completed>div{flex:1;min-width:180px}.nu-completed .btn{width:100%}.nu-completed h2{font-size:1.2rem}.nu-help{padding:21px}.nu-help p{font-size:.81rem}.nu-editor-toolbar{padding:14px;flex-wrap:wrap}.nu-editor-toolbar .nu-actions{width:100%}.nu-editor-toolbar .btn{flex:1;font-size:.72rem;padding:10px}.nu-editor-panel{padding:23px 18px}.nu-editor-panel h2{font-size:1.15rem}.nu-editor .form-control,.nu-editor .form-select{font-size:16px}.nu-editor-sidebar{grid-template-columns:1fr}.nu-editor-main{gap:20px}.nu-author-board .nu-sudoku-wrap{margin:0 -18px}.nu-author-board .nu-sudoku-grid{border-left-width:1px;border-right-width:1px}.nu-clue-editor{padding:17px 14px}.nu-clue-fields{gap:13px}.nu-clue-fields label{font-size:.7rem}.nu-icon-button{min-height:44px;min-width:35px}.nu-clue-editor-heading .nu-actions{gap:7px}.nu-rendered-clue{font-size:.73rem;padding:11px 12px}.nu-admin-filters{flex-direction:column;align-items:stretch}.nu-admin-table :is(th,td){padding:17px}.nu-confirm .modal-dialog{margin:18px}.nu-confirm .modal-footer .btn{flex:1}.nu-confirm .modal-body{font-size:.85rem}.nu-feedback,.nu-error{padding:17px;font-size:.8rem}.nu-solution-grid code{font-size:.84rem;letter-spacing:.27em}}
@media(prefers-reduced-motion:reduce){.nu-page *{transition:none!important;scroll-behavior:auto!important}.nu-library-card:hover{transform:none}}