:root{color-scheme:light;--bg:#eef4f2;--bg-strong:#e4eeeb;--panel:#ffffff;--panel-soft:#f8fbfa;--text:#132238;--ink:#0f172a;--muted:#64748b;--line:#d8e3df;--line-strong:#b9cbc5;--accent:#4f8f9f;--accent-strong:#256b7a;--accent-teal:#22a699;--accent-blue:#315fbd;--lavender:#8271a8;--sand:#d0a85c;--night:#172033;--radius-sm:7px;--radius-md:10px;--radius-lg:14px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--shadow-soft:0 18px 44px rgba(15,23,42,0.09);--shadow-panel:0 10px 26px rgba(15,23,42,0.07);--board-cell:#ffffff;--board-cell-soft:#f6faf8;--board-cell-active:#dff3ef;--board-cell-found:#d8efe3;--board-cell-error:#fee2e2;--sidebar-bg:rgba(248,251,250,0.92);--word-cell-size:clamp(22px,min(4.35vw,5.35vh),40px);--crossword-cell-size:clamp(20px,min(3.5vw,4.6vh),34px);--arrowword-cell-size:clamp(20px,min(3.45vw,4.45vh),33px);--sudoku-cell-size:clamp(29px,min(5vw,6.1vh),50px)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:linear-gradient(135deg,rgba(255,255,255,.76),rgba(226,239,235,.76)),var(--bg);color:var(--text);overflow-x:hidden}a{color:inherit;text-decoration:none}button,input,select{font:inherit}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(49,95,189,.22);outline-offset:2px}.app-shell{min-height:100vh;display:grid;grid-template-columns:248px minmax(0,1fr)}.sidebar{border-right:1px solid rgba(216,227,223,.9);background:var(--sidebar-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);padding:20px 16px;display:flex;flex-direction:column;gap:22px;position:fixed;top:0;left:0;bottom:0;width:248px;height:100dvh;min-height:0;box-shadow:14px 0 34px rgba(15,23,42,.04)}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:40px;height:40px;display:grid;place-items:center;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--accent-blue),var(--accent-teal));color:white;font-weight:800;box-shadow:0 10px 20px rgba(37,107,122,.22)}.brand small,.compact-stats,.eyebrow,.muted{color:var(--muted)}.brand span:last-child{display:grid;grid-gap:2px;gap:2px}.sidebar nav{display:grid;grid-gap:6px;gap:6px}.bottom-nav a,.sidebar nav a{border-radius:var(--radius-md);padding:10px 12px;color:#27415b;font-weight:650;transition:background .14s ease,color .14s ease,box-shadow .14s ease}.bottom-nav a:hover,.sidebar nav a:hover{background:#e7f1ef;color:var(--ink);box-shadow:inset 0 0 0 1px rgba(79,143,159,.16)}.compact-stats{margin-top:auto;display:grid;grid-gap:8px;gap:8px;font-size:.88rem;border-top:1px solid var(--line);padding-top:18px}main{min-width:0;padding:30px clamp(18px,4vw,50px) 88px;grid-column:2}body:has(.play-page){overflow:hidden}body:has(.play-page) main{height:100dvh;overflow:hidden;padding:12px clamp(10px,1.7vw,24px)}.page{max-width:1120px;margin:0 auto;display:grid;grid-gap:28px;gap:28px}.play-page{max-width:none;height:calc(100dvh - 24px);grid-template-rows:auto minmax(0,1fr);gap:8px;min-height:0}.game-title-compact h1{font-size:clamp(1.25rem,2vw,2rem)}.game-title-compact p{font-size:.92rem;line-height:1.35}.hero{min-height:320px;border-radius:8px;padding:clamp(24px,5vw,54px);display:grid;align-content:center;grid-gap:18px;gap:18px;color:white;background:linear-gradient(120deg,rgba(39,49,59,.86),rgba(47,107,115,.68)),url(/zen-board.svg) 50%/cover no-repeat}.hero h1,.page-title h1{margin:0;font-size:clamp(2.1rem,5vw,4.6rem);line-height:1.02;letter-spacing:0}.hero p,.page-title p{max-width:680px;margin:0;font-size:1.08rem;line-height:1.6}.band{grid-gap:18px;gap:18px}.band,.grid{display:grid}.grid{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));grid-gap:14px;gap:14px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md);padding:18px;display:grid;grid-gap:12px;gap:12px;box-shadow:var(--shadow-panel)}.card h2,.card h3,.page-title h1{margin:0}.pill-row{display:flex;flex-wrap:wrap;gap:8px}.pill{border:1px solid var(--line);border-radius:999px;padding:6px 10px;color:var(--muted);font-size:.88rem}.button-row{display:flex;flex-wrap:wrap;gap:10px}.button{border:1px solid var(--accent-strong);background:linear-gradient(135deg,var(--accent-strong),var(--accent-teal));color:white;border-radius:var(--radius-md);padding:9px 12px;cursor:pointer;font-weight:750;box-shadow:0 9px 18px rgba(37,107,122,.16)}.play-layout{display:grid;grid-template-rows:auto minmax(0,1fr) auto auto;min-height:0;height:100%;grid-gap:7px;gap:7px}.play-actions,.play-toolbar{display:flex;flex-wrap:wrap;align-items:flex-end;gap:8px}.assoc-grid label,.clue-line,.play-toolbar label{display:grid;grid-gap:6px;gap:6px;color:var(--muted)}.assoc-grid select,.clue-line input,.logic-panel input,.play-toolbar input,.play-toolbar select{border:1px solid var(--line);border-radius:var(--radius-sm);padding:8px 10px;background:white;min-height:38px}.game-surface{background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(10px,1.5vw,16px);display:grid;grid-template-rows:auto minmax(0,1fr);grid-gap:8px;gap:8px;min-height:0;overflow:visible;box-shadow:var(--shadow-soft)}.play-heading{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.play-heading h2{margin:2px 0 0;font-size:clamp(1rem,1.25vw,1.2rem)}.status-done{border-radius:999px;background:var(--accent-strong);color:white;padding:6px 10px;font-size:.88rem}.word-game{display:grid;grid-template-columns:max-content minmax(180px,1fr);grid-gap:12px;gap:12px;align-items:flex-start;min-height:0;max-width:100%}.letter-grid,.number-grid{display:grid;grid-gap:3px;gap:3px;max-width:100%;max-height:100%}.letter-grid{grid-auto-rows:var(--word-cell-size)}.fit-board{width:max-content}.cell{aspect-ratio:1;width:var(--word-cell-size);min-width:0;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--board-cell-soft);display:grid;place-items:center;text-align:center;font-weight:700;color:var(--ink)}.cell.selected{background:var(--board-cell-found);border-color:var(--accent-teal)}.cell.given{background:#e7eef3;color:var(--ink)}.assoc-grid,.crossword-entries,.logic-panel,.word-list{display:grid;grid-gap:10px;gap:10px}.word-list{align-content:flex-start;display:flex;flex-wrap:wrap;gap:7px;max-height:calc(100dvh - 250px);overflow:auto}.word{border:1px solid var(--line);border-radius:999px;background:white;padding:7px 10px;font-size:.84rem;color:#244059}.word.found{background:var(--board-cell-found);text-decoration:line-through}.crossword-entries{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.crossword-play{display:grid;grid-template-columns:max-content minmax(230px,1fr);grid-gap:12px;gap:12px;min-height:0;max-width:100%}.arrowwords-board,.crossword-board{display:grid;grid-gap:2px;gap:2px;width:max-content;max-width:100%;align-self:start}.cross-cell{position:relative;aspect-ratio:1;width:var(--crossword-cell-size);background:var(--board-cell);border:1px solid #9aaabd;display:grid}.cross-cell.block{background:#1a2637}.cross-cell span{position:absolute;top:2px;left:3px;font-size:.58rem;color:var(--muted)}.arrow-answer-cell,.cross-cell input{width:100%;height:100%;border:0;text-align:center;font-weight:800;text-transform:uppercase;background:transparent}.active-word{background:var(--board-cell-active)}.crossword-clues{display:grid;grid-gap:6px;gap:6px;align-content:start;overflow:auto;max-height:calc(100dvh - 250px);padding-right:3px}.crossword-clues h3{margin:6px 0 0;font-size:.9rem}.clue-button{border:1px solid var(--line);border-radius:var(--radius-sm);background:white;padding:7px 8px;text-align:left;font-size:.82rem}.clue-button.active{border-color:var(--accent-teal);background:var(--board-cell-active)}.arrow-clue-cell{aspect-ratio:1;width:var(--arrowword-cell-size);border:1px solid #99acb7;border-radius:5px;background:#eaf1f5;padding:3px;display:grid;align-content:space-between;font-size:clamp(.44rem,.66vw,.66rem);line-height:1.05;overflow-wrap:anywhere;color:#24394f}.arrow-clue-cell b{justify-self:end}.arrow-answer-cell{border:1px solid #9aaabd;background:var(--board-cell)}.arrow-answer-cell,.arrow-block-cell{aspect-ratio:1;width:var(--arrowword-cell-size)}.arrow-block-cell{background:#eef3f1;border:1px solid var(--line)}.sudoku-wrap{display:grid;grid-template-columns:max-content 118px;grid-gap:12px;gap:12px;align-items:start;min-height:0}.sudoku-grid{gap:0;border:3px solid var(--night);width:max-content}.sudoku-grid .cell{width:var(--sudoku-cell-size);height:var(--sudoku-cell-size);border-radius:0;border-color:#a7b7c5}.sudoku-grid .box-left{border-left:3px solid var(--night)}.sudoku-grid .box-top{border-top:3px solid var(--night)}.sudoku-grid .box-right{border-right:3px solid var(--night)}.sudoku-grid .box-bottom{border-bottom:3px solid var(--night)}.sudoku-grid .related-cell{background:#eef7f5}.sudoku-grid .selected-cell{background:var(--board-cell-active);box-shadow:inset 0 0 0 2px var(--accent-blue)}.number-pad{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:6px;gap:6px}.number-pad button{min-height:36px;border:1px solid var(--line);border-radius:var(--radius-sm);background:white;font-weight:800}.notes-toggle{grid-column:span 2}.letters,.sequence-row{display:flex;flex-wrap:wrap;gap:10px}.letters span,.sequence-item{min-width:40px;min-height:40px;border:1px solid var(--line);border-radius:var(--radius-md);display:grid;place-items:center;background:var(--panel-soft);font-weight:800}.memory-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(54px,1fr));grid-gap:8px;gap:8px;max-width:560px}.memory-card{min-height:58px;border:1px solid var(--line);border-radius:8px;background:#fbfbf8;font-size:1.4rem}.nonogram-wrap{display:grid;grid-gap:10px;gap:10px}.nonogram-clues{color:var(--muted);font-size:.88rem;overflow-wrap:anywhere}.button.secondary{background:transparent;color:var(--accent-strong);border-color:var(--line-strong);box-shadow:none}.theme-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));grid-gap:12px;gap:12px}.swatch{min-height:82px;border:1px solid var(--line);border-radius:8px;padding:12px;display:grid;align-content:end;color:white;font-weight:700}.sage{background:#6f8f72}.ocean{background:#2f6b73}.lavender{background:#8271a8}.sand{background:#d0a85c;color:#20251f}.soft-night{background:#27313b}.bottom-nav{display:none}@media (max-width:760px){.app-shell{display:block}.sidebar{position:static;width:auto;height:auto;min-height:auto;padding:16px;border-right:0;border-bottom:1px solid var(--line);box-shadow:none}.compact-stats,.sidebar nav{display:none}main{padding:22px 16px 86px}.bottom-nav{position:fixed;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);grid-gap:2px;gap:2px;background:rgba(251,251,248,.96);border-top:1px solid var(--line);padding:8px}.bottom-nav a{text-align:center;font-size:.78rem;padding:9px 4px}.word-game{grid-template-columns:1fr}.word-list{max-height:none}.play-heading{display:grid}body:has(.play-page){overflow:auto}.play-page,body:has(.play-page) main{height:auto;overflow:visible}.crossword-play,.sudoku-wrap{grid-template-columns:1fr}.crossword-clues{max-height:240px}.arrowwords-board,.crossword-board,.letter-grid,.sudoku-grid{justify-self:center}}