:root{font-family:system-ui,sans-serif;color:#293d44;background:#f6f1e7;--paper:#fffdf6;--ink:#293d44;--muted:#68787a;--line:#ced4ce;--blue:#266779;--select:#d9edf0;--peer:#f0f4ec;--wrong:#a8374f;--soft:#eee8d9;color-scheme:light}*{box-sizing:border-box}body{margin:0}body.evening{--paper:#232f37;--ink:#e2eceb;--muted:#b4c7c8;--line:#60757b;--blue:#9bd2dc;--select:#3a626e;--peer:#293d45;--wrong:#ff9ead;--soft:#33454c;background:#19252d;color:var(--ink);color-scheme:dark}button,input,select,textarea{font:inherit;color:inherit}button,select,input:not([type=checkbox]),textarea{border:1px solid var(--line);background:var(--paper);border-radius:10px;padding:10px 13px;min-height:44px}button{cursor:pointer}button:hover:not(:disabled){background:var(--select)}button:disabled{opacity:.48;cursor:default}button[aria-pressed=true]{background:var(--blue);color:var(--paper);border-color:var(--blue)}a{color:var(--blue);text-underline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #c99541;outline-offset:3px}h1,h2,p{margin-top:0}h2{font:26px/1.2 Georgia,serif}p{line-height:1.6}.lars-world{max-width:1260px;padding:24px 32px 40px;margin:auto}header nav{display:flex;justify-content:space-between;gap:12px;font-size:13px;margin-bottom:30px}.title-row{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px}.eyebrow{font-size:10px;letter-spacing:.15em;color:var(--muted);font-weight:650}h1{font:52px/.96 Georgia,serif;letter-spacing:-2px;margin:0}h1 span{display:block;font:16px Georgia,serif;letter-spacing:0;margin-top:12px;color:var(--muted)}.play-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:36px;align-items:start}.board-panel{min-width:0;max-width:740px}.board-heading{display:flex;justify-content:space-between;gap:12px;align-items:center}.board-heading h2{font-size:21px;margin:0}#progress{font-size:12px;color:var(--muted);white-space:nowrap}#welcome{font-size:13px;color:var(--muted);margin:10px 0 14px;min-height:22px}.board{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));aspect-ratio:1;width:100%;max-width:690px;background:var(--line);border:2px solid var(--ink);border-radius:6px;overflow:hidden}.board .cell{min-height:0;border:0;border-radius:0;padding:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper);display:flex;align-items:center;justify-content:center;font-size:clamp(22px,3vw,40px);color:var(--blue);touch-action:manipulation}.board .cell.given{color:var(--ink);font-weight:650}.board .cell.peer{background:var(--peer)}.board .cell.same{background:var(--soft)}.board .cell.selected{background:var(--select);box-shadow:inset 0 0 0 3px var(--blue);z-index:1}.board .cell.wrong{color:var(--wrong);text-decoration:underline wavy 1px}.board .cell:nth-child(3n){border-right:2px solid var(--ink)}.board .cell:nth-child(9n){border-right:0}.board .cell:nth-child(n+19):nth-child(-n+27),.board .cell:nth-child(n+46):nth-child(-n+54){border-bottom:2px solid var(--ink)}.board .cell:nth-child(n+73){border-bottom:0}.mini-notes{display:grid;grid-template-columns:repeat(3,1fr);width:100%;height:100%;padding:3px;font-size:clamp(9px,1vw,14px);color:var(--muted)}.mini-notes span{display:flex;align-items:center;justify-content:center}.digits{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));gap:7px;margin-top:14px}.digits button{padding:7px 0;font-size:24px;min-width:0}.digits small{display:block;font-size:10px;color:var(--muted);line-height:1.5}.play-tools{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.play-tools button{flex:1;padding:11px 9px;font-size:13px}.hint-card{background:var(--select);border-radius:12px;padding:15px;margin-top:12px}.hint-card p{font-size:14px;margin-bottom:12px}.fine{font-size:12px;color:var(--muted)}#save-status{margin-top:16px}.paper-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:21px;margin-bottom:17px}.paper-card p{font-size:14px}.paper-card .fine{font-size:12px}.paper-card summary{cursor:pointer;font:23px/1.3 Georgia,serif;min-height:44px}.paper-card[open] summary{margin-bottom:18px}.check-label{display:flex;gap:9px;align-items:center;min-height:44px;font-size:14px}.check-label input{width:19px;height:19px;accent-color:var(--blue)}#brain-ranking{overflow:auto}#brain-ranking table{border-collapse:collapse;width:100%;font-size:12px}#brain-ranking th,#brain-ranking td{text-align:left;padding:9px 5px;border-bottom:1px solid var(--line)}.finished{background:var(--peer);padding:28px;border:1px solid var(--line);border-radius:15px;text-align:center;margin-top:18px}.finished>span{font-size:45px;color:#bd8d52}.finished h2{margin:12px 0}.finished p{font-size:14px}#finished-pages{display:grid;gap:8px;margin-bottom:15px}#finished-pages button{font:15px Georgia,serif;text-align:left}footer{display:flex;gap:16px;flex-wrap:wrap;margin-top:40px;font-size:12px}dialog{max-width:620px;width:calc(100% - 24px);max-height:90dvh;overflow:auto;border:1px solid var(--line);border-radius:18px;padding:25px;background:var(--paper);color:var(--ink)}dialog::backdrop{background:#1c32395a;backdrop-filter:blur(3px)}.dialog-heading{display:flex;justify-content:space-between;align-items:center;gap:15px}.dialog-heading h2{margin:0}.dialog-heading+p{font-size:14px;margin-top:17px}.new-controls{display:flex;flex-wrap:wrap;gap:9px;align-items:end}.new-controls label{display:grid;gap:8px;flex-basis:100%;font-size:13px}.new-controls select{width:100%}#saved-pages{margin:22px 0;display:grid;gap:9px}.saved-page{display:flex;gap:8px}.saved-page .reopen{flex:1;text-align:left}.saved-page small{display:block;color:var(--muted);margin-top:5px}.saved-page .close-page{font-size:12px}dialog summary{padding:15px 0;cursor:pointer}dialog textarea{display:block;width:100%;resize:vertical;margin:10px 0}dialog details label{font-size:13px;line-height:1.5}.backup-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.backup-row label input{display:block;max-width:280px;font-size:12px;margin-top:7px}#notebook-status{font-size:14px;color:var(--wrong);margin:16px 0 0}[hidden]{display:none!important}
@media(min-width:760px) and (max-width:1000px){.play-layout{grid-template-columns:minmax(0,1fr)}.board-panel{max-width:740px;margin:auto;width:100%}aside{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.notebook-preview{grid-column:1/-1}.board .cell{font-size:38px}}
@media(max-width:759px){.lars-world{padding:14px 12px 30px}header nav{font-size:11px;margin-bottom:15px}.title-row{margin-bottom:18px}.title-row .eyebrow{display:none}h1{font-size:35px;letter-spacing:-1px}h1 span{font-size:12px;margin-top:7px}.title-row>button{font-size:12px;padding:9px 12px}.play-layout{display:block}.board-panel{margin:auto;max-width:520px}.board-heading h2{font-size:17px;max-width:75%}#progress{font-size:11px}#welcome{font-size:12px;margin:8px 0;line-height:1.4}.board .cell{font-size:clamp(21px,6.5vw,32px)}.digits{gap:3px;margin-top:10px}.digits button{font-size:22px;padding:5px 0}.digits small{font-size:9px}.play-tools{gap:5px;margin-top:8px}.play-tools button{font-size:12px;padding:10px 5px;min-width:0}aside{margin-top:25px}.paper-card{padding:20px}.mini-notes{font-size:clamp(8px,2.4vw,12px);padding:1px}footer{margin-top:20px}dialog{padding:19px}.dialog-heading h2{font-size:22px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* Keep the digit pad aligned with the board, including portrait tablets. */
.board-panel{max-width:690px}.board-heading{min-width:0}@media(min-width:760px) and (max-width:1000px){.board-panel{max-width:min(690px,calc(100svh - 460px));min-width:450px}}