:root{--primary:#18342B;--background:#FFFFFF;--surface:#EDF5EF;--accent:#D74938;--highlight:#F4D35E;--border:#ABC4B7;--font-sans:Arial,sans-serif;--font-mono:Consolas,monospace;--radius:.375rem;--page-max:68rem;--section-gap:3rem}
*{box-sizing:border-box}body{margin:0;color:var(--primary);background:var(--background);font:16px/1.5 var(--font-sans);letter-spacing:0}a{color:inherit;text-underline-offset:4px}button,input{font:inherit}button,a,input{touch-action:manipulation}button{min-height:44px;border:1px solid var(--primary);border-radius:var(--radius);padding:9px 17px;background:var(--primary);color:var(--background);cursor:pointer;font-weight:600}button:hover:not(:disabled){filter:brightness(1.15)}button:disabled{opacity:.45;cursor:default}.secondary{background:var(--background);color:var(--primary)}[hidden]{display:none!important}:focus-visible{outline:3px solid var(--primary);outline-offset:3px}.wrap{max-width:var(--page-max);padding:0 24px;margin:auto}.header{min-height:84px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-size:22px;font-weight:700;text-decoration:none;display:flex;align-items:center;gap:10px}.brand-mark{background:var(--highlight);border:1px solid var(--primary);width:29px;height:29px;text-align:center;font:700 20px/27px var(--font-mono);transform:rotate(-7deg)}nav{display:flex;gap:24px;flex-wrap:wrap}nav a{text-decoration:none;font-size:14px}.play-band{background:var(--surface);border-block:1px solid var(--border);padding:28px 0 38px}.heading-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.eyebrow{font-size:11px;font-weight:700;margin:0 0 6px;line-height:1.4}h1{font-size:32px;line-height:1.15;margin:0}h2{font-size:26px;line-height:1.2;margin:0 0 16px}.edition{font-size:12px}.play-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:42px;align-items:start}.game{background:var(--background);border:1px solid var(--border);border-radius:var(--radius);padding:20px;min-width:0;min-height:410px}.game-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;font:700 18px var(--font-mono)}.icon-actions{display:flex;gap:4px}.icon-button{background:transparent;border-color:transparent;color:var(--primary);width:44px;height:44px;padding:11px}.icon-button img{height:20px;width:20px;display:block}.status{min-height:24px;font-size:14px;margin:6px 0 12px}.trail-heading{display:flex;justify-content:space-between;font-size:11px;font-weight:700;border-top:1px solid var(--border);padding-top:12px}.trail{list-style:none;padding:0;margin:12px 0;max-height:220px;overflow:auto;scrollbar-color:var(--border) var(--surface);scrollbar-width:thin}.trail li{display:flex;align-items:center;gap:12px;margin:0 0 8px}.step-number{font:12px var(--font-mono);width:22px;flex-shrink:0}.word{display:flex;gap:6px}.letter{width:48px;height:48px;display:grid;place-items:center;border:1px solid var(--border);font:700 24px var(--font-mono);background:var(--surface)}.letter.changed{background:var(--highlight);border-color:var(--primary)}.destination{display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding:14px 0;border-top:1px solid var(--border)}.destination>span{font-size:11px;font-weight:700}.destination .letter{color:var(--accent);background:var(--background);border-color:var(--accent);width:40px;height:40px;font-size:22px}label{display:block;font-size:13px;font-weight:700;margin:0 0 6px}input{height:44px;min-width:0;border:1px solid var(--border);border-radius:var(--radius);padding:8px 12px;color:var(--primary);background:var(--background);text-transform:uppercase;font-family:var(--font-mono);width:100%}input[aria-invalid=true]{border-color:var(--accent)}.input-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px}.field-message{min-height:22px;margin:5px 0 8px;color:var(--accent);font-size:13px}.game-actions{display:flex;justify-content:space-between;gap:10px}.rules{padding-top:16px}.rules p{font-size:15px}.rules .small{font-size:12px;border-top:1px solid var(--border);padding-top:14px}.example{display:flex;align-items:center;gap:12px;font:700 16px var(--font-mono);margin:24px 0}.section{padding-top:var(--section-gap);padding-bottom:var(--section-gap);scroll-margin-top:16px}.section-heading{max-width:650px}.section-heading p:not(.eyebrow){font-size:14px}.solver-fields{display:grid;grid-template-columns:200px 200px auto;gap:16px;align-items:end;max-width:650px}.solver-result{min-height:42px;max-width:800px;overflow-wrap:anywhere;font-family:var(--font-mono)}.route-words{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.route-words span{padding:7px 10px;background:var(--surface);border-bottom:2px solid var(--border);font-weight:700}.more-band{border-top:1px solid var(--border)}.more-band p:not(.eyebrow){font-size:14px}.game-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:26px}.game-links a{border:1px solid var(--border);border-radius:var(--radius);padding:18px;text-decoration:none;display:flex;flex-direction:column;gap:10px}.game-links a:hover{border-color:var(--primary)}.game-links span{font-size:12px}.footer{padding-top:24px;padding-bottom:28px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:12px}.skip{position:absolute;left:8px;top:-60px;background:white;padding:8px;z-index:4}.skip:focus{top:8px}.game:fullscreen{background:var(--background);padding:30px;display:flex;flex-direction:column;overflow:auto;max-width:none}.game:fullscreen .trail{max-height:45vh}.game:fullscreen #game-content{width:min(600px,100%);margin:auto}.error{color:var(--accent)}.legal{max-width:760px;padding-top:36px;padding-bottom:60px}.legal h1{margin-bottom:24px}.legal h2{font-size:20px;margin-top:32px}.legal li{margin-bottom:10px}.legal code{overflow-wrap:anywhere}.legal p{line-height:1.7}
@media(max-width:760px){.wrap{padding-inline:18px}.header{min-height:94px;align-items:flex-start;flex-direction:column;justify-content:center;gap:10px}nav{gap:20px}.play-layout{grid-template-columns:1fr;gap:20px}.heading-row{align-items:flex-start}.edition{max-width:110px;text-align:right}h1{font-size:28px}.game{padding:14px;min-height:410px}.game-toolbar{font-size:15px;gap:4px}.icon-actions{gap:0}.icon-button{width:40px;min-width:40px;padding:10px}.rules{padding-top:0}.rules h2 br{display:none}.rules p{font-size:14px}.example{margin:16px 0}.solver-fields{grid-template-columns:1fr 1fr;gap:12px}.solver-fields button{grid-column:1/-1}.game-links{grid-template-columns:1fr;gap:12px}.footer{flex-direction:column}.game:fullscreen{padding:14px}.word{gap:5px}.letter{width:44px;height:44px}.destination{gap:8px}.game-actions button{font-size:13px;padding-inline:12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* Normal-flow ads only; absent regions create no gap. Never style Google's unit. */
.ad-region{min-width:0}.ad-label{font-size:11px;margin:0 0 8px;font-weight:400}.ad-content{width:100%;min-width:0}.ad-bottom{max-width:var(--page-max);padding:0 24px;margin:150px auto}.ad-side{display:none}.ad-shell{margin:auto}
/* Keep in sync with SIDE_AD_MIN_WIDTH in ad-layout.mjs. */
@media(min-width:1360px){.ad-shell{display:flex;align-items:flex-start;gap:150px;padding:0 24px}.ad-side{display:block;flex:0 0 160px;width:160px}.ad-core{flex:1 1 560px;min-width:560px;padding:0;margin:0;max-width:800px}.ad-core .play-layout{grid-template-columns:1fr;gap:20px}.ad-core .rules h2 br{display:none}}
@media(max-width:760px){.ad-bottom{padding-inline:18px}}

/* Shared launch shell: reading pages and game controls keep the same identity. */
:root{--section-gap:2rem}
nav a{font-size:16px;min-height:44px;display:inline-flex;align-items:center}
nav a:hover{text-decoration:underline}
.edition,.eyebrow,.trail-heading,.destination>span,.rules .small,.game-links span,.footer,.breadcrumb{font-size:14px}
.rules p,.section-heading p:not(.eyebrow),.more-band p:not(.eyebrow){font-size:16px}
.solver-result:empty{min-height:0}
.game-links{gap:16px;margin-top:20px}
.game-links a{padding:18px;gap:8px}
.game-links strong{font-size:20px;line-height:1.25}
.game-links p{margin:0 0 8px}
.game-links .link-destination{margin-top:auto;font-weight:700}
.footer{padding-top:28px;align-items:flex-start}
.footer strong{font-size:20px}
.footer p{margin:6px 0;max-width:380px}
.footer .small{font-size:14px}
.footer nav{gap:4px 20px;max-width:440px}
.legal{max-width:760px;font-size:18px;overflow-wrap:anywhere}
.legal .breadcrumb{margin:0 0 24px}
.legal h1{font-size:32px;line-height:1.2}
.legal h2{font-size:22px;margin-top:28px;margin-bottom:12px}
.legal p{line-height:1.7;margin-top:12px}
@media(max-width:760px){.edition{display:none}.header{gap:4px;min-height:100px}nav{gap:16px}.rules p{font-size:16px}.legal{padding-top:24px;padding-bottom:32px}.game-toolbar{flex-wrap:wrap}.footer nav{gap:0 20px}.footer{gap:12px}}
/* Optional analytics stays in document flow, outside the game. */
.analytics-choice { display:flex; flex-wrap:wrap; gap:12px; align-items:center; padding-bottom:24px; }
.analytics-choice p { flex-basis:100%; margin:0; font-size:16px; }