:root{--ink:#26382f;--muted:#66786d;--green:#3f674c;--green-light:#e8eee5;--paper:#f6f5ef;--border:#dedfd5;--white:#fffefa;--accent:#d9a65c;--cell-size:36px;--clue-width:66px;--top-clue-height:94px;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,a,input{touch-action:manipulation}button{font:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.5}a{color:var(--green);text-underline-offset:4px}a:hover{color:#203c28}button:focus-visible,a:focus-visible{outline:3px solid #b18135;outline-offset:3px}.skip-link{position:absolute;left:12px;top:-100px;padding:12px;background:white;z-index:4}.skip-link:focus{top:12px}.site-header{max-width:1120px;margin:auto;padding:27px 30px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.brand{display:flex;gap:12px;align-items:center;font-weight:700;font-size:17px;text-decoration:none;color:var(--ink)}.brand-mark{display:grid;grid-template-columns:repeat(3,6px);gap:2px}.brand-mark i{height:6px;background:var(--green);border-radius:1px}.brand-mark i:nth-child(2),.brand-mark i:nth-child(7){background:#bdccad}.nav{display:flex;gap:27px;font-size:13px}.nav a{text-decoration:none}.nav a:hover{text-decoration:underline}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:var(--green);text-transform:uppercase}.hero{max-width:1040px;margin:44px auto 28px;padding:0 20px;display:flex;justify-content:space-between;align-items:end;gap:30px}.hero h1{font-family:Georgia,'Times New Roman',serif;font-size:49px;font-weight:400;line-height:1.08;letter-spacing:-1.5px;margin:13px 0 14px}.hero h1 em{font-weight:400;color:var(--green);font-style:italic}.hero p{max-width:500px;color:var(--muted);font-size:15px;line-height:1.6;margin:0}.hero-note{font-family:Georgia,serif;font-style:italic;font-size:16px;line-height:1.7;color:var(--muted);border-left:2px solid #c6cfbb;padding-left:20px;white-space:nowrap;margin-bottom:5px}.game-shell{max-width:1040px;margin:0 auto 38px;background:var(--white);border:1px solid var(--border);border-radius:18px;box-shadow:0 8px 24px #273a2a04;overflow:hidden}.game-top{display:flex;justify-content:space-between;align-items:center;padding:21px 30px;border-bottom:1px solid var(--border);gap:12px}.mode-tabs,.size-tabs,.tools{display:flex;gap:5px}.mode-tabs{background:#f0f1e9;border-radius:8px;padding:4px}.mode-tabs button,.size-tabs button,.tools button{border:0;background:transparent;padding:9px 17px;font-size:13px;border-radius:5px;color:var(--muted)}button[aria-pressed=true]{color:var(--ink);background:var(--white);box-shadow:0 1px 4px #233b2410}.size-tabs button[aria-pressed=true]{background:var(--green-light);box-shadow:none;color:var(--green);font-weight:700}.game-main{display:grid;grid-template-columns:230px 1fr;min-height:420px}.game-sidebar{padding:29px 28px;background:#fafaf5;border-right:1px solid var(--border)}.game-sidebar h2{font-family:Georgia,serif;font-size:25px;font-weight:400;line-height:1.22;margin:13px 0}.game-sidebar .date{color:var(--muted);font-size:11px;line-height:1.65;margin-bottom:25px}.stats{display:flex;gap:27px;margin-bottom:25px}.stats dt{color:var(--muted);font-size:10px;letter-spacing:1.3px;text-transform:uppercase;margin-bottom:6px}.stats dd{font-size:22px;font-variant-numeric:tabular-nums;margin:0;font-family:Georgia,serif}.sidebar-tips{border-top:1px solid var(--border);padding-top:20px;font-size:12px;line-height:1.7;color:var(--muted)}.sidebar-tips p{margin:8px 0}.tip-key{background:#e9eee2;border-radius:3px;font-weight:bold;font-size:11px;min-width:16px;text-align:center;color:var(--green);display:inline-block;margin-right:7px}.sidebar-link{font-size:12px;display:inline-block;margin-top:12px}.game-area{padding:22px 25px 18px;display:flex;flex-direction:column;align-items:center}.board-wrap{max-width:100%;overflow:auto;padding:5px 8px 10px}.board{display:grid;gap:0;isolation:isolate;touch-action:pan-y}.board[data-size="10"]{--cell-size:30px;--top-clue-height:112px}.board-corner{display:flex;align-items:end;justify-content:end;padding:10px 15px;color:#b0b9a6;font-size:24px}.clue{font-size:13px;font-weight:bold;color:#3e5547;font-variant-numeric:tabular-nums}.row-clue{display:flex;align-items:center;justify-content:end;white-space:pre;padding-right:12px}.col-clue{display:flex;flex-direction:column;align-items:center;justify-content:end;gap:4px;padding-bottom:11px}.clue.line-done{color:#9ba994}.cell{border:0;border-right:1px solid #d5dccf;border-bottom:1px solid #d5dccf;background:#f6f8f1;padding:0;position:relative;font-size:24px;line-height:1;color:#8b9c82;user-select:none;touch-action:manipulation;border-radius:0}.cell[data-index="0"]{border-top:1px solid #d5dccf}.cell[data-value="1"]{background:#45694e;box-shadow:inset 0 0 0 2px #fffefa;color:var(--white)}.cell[data-value="2"]{background:#f9faf5}.cell:hover{filter:brightness(.94)}.cell:focus-visible{outline-offset:-3px;z-index:1}.cell:disabled{opacity:1}.cell.block-right{border-right:2px solid #a3b19b}.cell.block-bottom{border-bottom:2px solid #a3b19b}.cell.error{background:#f4d4c9;box-shadow:inset 0 0 0 2px #bd664c}.progress{font-size:11px;color:var(--muted);margin:7px 0 15px}.tools{padding:4px;background:#f0f1e9;border-radius:7px}.tools button{min-width:90px}.tools button[aria-pressed=true]{background:var(--green);color:white;box-shadow:none}.controls{display:flex;gap:7px;flex-wrap:wrap;justify-content:center;margin-top:14px}.control{background:transparent;color:var(--green);border:1px solid var(--border);border-radius:6px;font-size:12px;padding:8px 13px}.control:hover{background:var(--green-light)}.control.primary{background:var(--green);color:white;border-color:var(--green)}.status{min-height:36px;margin:16px 0 0;font-size:12px;line-height:1.5;color:var(--muted);max-width:430px;text-align:center}.status[data-state=success]{color:var(--green);font-weight:bold}.status[data-state=error]{color:#944e39}.completion{margin:10px 0;font-size:13px;color:var(--green)}.game-footer{border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:20px;padding:14px 30px;font-size:11px;color:var(--muted)}.game-footer span::before{content:'·';font-weight:700;margin-right:8px;color:var(--green)}.learn-section{max-width:1040px;margin:0 auto 48px;padding:0 20px}.learn-head{display:flex;justify-content:space-between;align-items:center}.learn-head h2{font-family:Georgia,serif;font-size:27px;font-weight:400;margin:0 0 18px}.learn-head span{font-size:12px;color:var(--muted)}.learn-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.learn-card{padding:22px;background:transparent;border:1px solid var(--border);border-radius:10px;text-decoration:none;color:var(--ink)}.learn-card:hover{background:var(--white)}.card-number{font-size:11px;color:#798d68;letter-spacing:1.2px}.learn-card h3{font-family:Georgia,serif;font-size:20px;font-weight:400;margin:12px 0 9px}.learn-card p{font-size:12px;color:var(--muted);line-height:1.7;margin:0}.arrow{display:block;margin-top:12px;color:var(--green);font-size:15px}.intro{max-width:760px;margin:0 auto 45px;padding:0 24px;font-size:14px;color:var(--muted);line-height:1.8}.intro h2{color:var(--ink);font-family:Georgia,serif;font-size:25px;font-weight:400}.intro details{border-top:1px solid var(--border);padding:14px 0}.intro summary{color:var(--ink);cursor:pointer;font-weight:bold;font-size:13px}.site-footer{border-top:1px solid var(--border);max-width:1120px;margin:auto;padding:23px 30px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:11px}.site-footer div{display:flex;gap:20px}.site-footer a{color:var(--muted)}.article{max-width:720px;margin:55px auto 70px;padding:0 24px;line-height:1.8;font-size:15px;color:var(--muted)}.article h1{font-family:Georgia,serif;color:var(--ink);font-size:44px;line-height:1.15;font-weight:400;letter-spacing:-1px;margin:15px 0 24px}.article h2{color:var(--ink);font-family:Georgia,serif;font-size:27px;font-weight:400;margin-top:35px}.article strong{color:var(--ink)}.article .example{font-family:monospace;white-space:pre;padding:18px;background:var(--white);border:1px solid var(--border);border-radius:8px;color:var(--green);overflow:auto}.article li{margin:10px 0}.article .play-link{display:inline-block;background:var(--green);color:white;padding:10px 20px;text-decoration:none;border-radius:6px;margin:10px 0}.consent{position:fixed;bottom:20px;left:20px;right:20px;max-width:560px;padding:20px;background:var(--white);border:1px solid var(--border);box-shadow:0 5px 30px #203b2720;border-radius:12px;z-index:10;font-size:13px;line-height:1.6}.consent button{padding:8px 14px;margin-right:8px;border:1px solid var(--border);border-radius:6px;background:var(--green-light)}[hidden]{display:none!important}
@media(max-width:900px){.game-shell{margin-left:20px;margin-right:20px}.hero-note{display:none}.game-main{grid-template-columns:190px 1fr}.game-sidebar{padding:25px 20px}.hero h1{font-size:43px}.board[data-size="10"]{--cell-size:27px}.game-area{padding-left:12px;padding-right:12px}}
@media(max-width:640px){.site-header{padding:20px}.brand{font-size:15px}.nav{gap:15px;font-size:12px}.nav a:last-child{display:none}.hero{margin:30px auto 24px}.hero h1{font-size:39px}.hero p{font-size:13px}.game-shell{margin:0 12px 30px;border-radius:12px}.game-top{padding:14px 12px;flex-wrap:wrap;justify-content:center}.game-main{display:block}.game-sidebar{padding:18px 20px;background:#fafaf5;border:0;border-bottom:1px solid var(--border);display:grid;grid-template-columns:1fr auto;gap:0 12px}.game-sidebar h2{font-size:22px;margin:7px 0}.game-sidebar .eyebrow{font-size:9px}.game-sidebar .date{margin:0;font-size:10px}.game-sidebar .stats{grid-column:2;grid-row:1 / span 3;align-self:center;margin:0;gap:15px}.stats dd{font-size:19px}.sidebar-tips,.sidebar-link{display:none}.game-area{padding:15px 8px 18px}.board{--cell-size:38px;--clue-width:55px;--top-clue-height:70px}.board[data-size="10"]{--cell-size:clamp(22px,6.4vw,29px);--top-clue-height:110px;--clue-width:46px}.clue{font-size:11px}.row-clue{padding-right:8px}.col-clue{gap:3px;padding-bottom:9px}.board-wrap{padding:3px 2px 8px}.game-footer{padding:12px 16px;justify-content:center;flex-wrap:wrap;gap:6px 18px;font-size:10px}.learn-cards{grid-template-columns:1fr}.learn-section{margin-bottom:30px}.learn-head span{display:none}.learn-card{padding:18px}.learn-card h3{margin-top:7px}.learn-head h2{font-size:25px}.site-footer{padding:20px;flex-direction:column}.article{margin-top:30px}.article h1{font-size:34px}.status{padding:0 10px}.controls{gap:6px}.control{padding:9px 11px}.hero h1 em{white-space:nowrap}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.download-packs,.worksheet-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:25px 0}.download-pack,.worksheet-card{padding:20px;background:var(--white);border:1px solid var(--border);border-radius:10px;min-width:0}.article .download-pack h2{font-size:24px;margin:0 0 12px}.download-pack p{font-size:13px;margin:8px 0}.download-note{color:var(--muted);font-size:12px}.article .download-pack .play-link{font-size:13px;padding:10px 12px}.worksheet{display:block;width:100%;max-width:310px;height:auto;margin:15px auto}.worksheet-card h4{color:var(--ink);margin:0;font-size:14px}.worksheet-card details{font-size:12px;margin-top:18px}.worksheet-card summary{cursor:pointer;color:var(--green)}.worksheet-card details .worksheet{margin-top:20px}.article h3{color:var(--ink);font-size:20px;font-weight:400}.article .download-pack a{white-space:normal}@media(max-width:640px){.download-packs,.worksheet-grid{grid-template-columns:1fr}.nav{gap:11px}.brand{gap:8px;font-size:14px}.download-pack,.worksheet-card{padding:18px}}