:root{color-scheme:light;--paper:#f6f4ed;--ink:#183e36;--muted:#65766e;--felt:#20574b;--felt-dark:#194a40;--card:#fffdf6;--line:#d8ded5;--gold:#e9ca75;--red:#b44640;--step:24px;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}body{margin:0}button,a,input,summary{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a,summary{touch-action:manipulation}a{color:inherit}button{cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid #c7a84a;outline-offset:3px}button{min-height:44px;border:1px solid #d6dfd4;border-radius:8px;background:var(--card);color:var(--ink);padding:0 12px;font-size:13px}button:disabled{color:#7c8a7c;background:#dfe6db}button.primary{background:#edf3ea;font-weight:700}.skip-link{position:absolute;top:-100px;left:8px;z-index:20;background:var(--card);padding:12px}.skip-link:focus{top:8px}[hidden]{display:none!important}
.site-header{max-width:1360px;margin:0 auto;height:64px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{font:25px Georgia,serif;text-decoration:none}.site-header nav{display:flex;gap:24px;font-size:13px;color:var(--muted)}.site-header nav a{text-decoration:none;padding:14px 0}.site-header nav a[aria-current=page]{color:var(--ink)}main{max-width:1360px;margin:0 auto}.intro{padding:26px 0 28px}.intro h1{font:38px/1.15 Georgia,serif;margin:0 0 10px}.intro p{font-size:14px;color:var(--muted);margin:0}.mobile-subtitle{display:none}.layout{display:grid;grid-template-columns:minmax(800px,1fr) 300px;grid-template-areas:'game ad' 'copy .';column-gap:48px;row-gap:40px;align-items:start}.game-shell{grid-area:game;background:var(--felt);border-radius:18px;padding:20px 24px 8px;color:var(--card);min-width:0;position:relative}.game-content{position:relative}.toolbar{display:grid;grid-template-columns:192px max-content 1fr;grid-template-areas:'mode actions secondary';gap:20px;align-items:center;margin:0 -4px}.mode-switch{grid-area:mode;display:flex;background:#153e35;border:1px solid #537968;border-radius:8px;height:44px;padding:3px}.mode-switch a{font-size:13px;display:flex;align-items:center;justify-content:center;flex:1;border-radius:5px;text-decoration:none;color:#dfebdc}.mode-switch a[aria-current=page]{background:var(--card);color:var(--ink);font-weight:bold}.actions{grid-area:actions;display:flex;gap:12px}.actions #undo{width:104px}.actions #hint{width:78px}.actions #new-game{width:142px}.secondary-actions{grid-area:secondary;display:flex;justify-content:flex-end;gap:9px;min-width:0}.secondary-actions button{padding:0;background:none;color:#e8efdf;border:0;white-space:nowrap}.secondary-actions .more-button{display:none}.board{margin-top:36px;--cw:min(90px,calc((100% - 108px)/7));user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.upper-piles{display:grid;grid-template-columns:repeat(7,var(--cw));justify-content:space-between;gap:18px;align-items:start}.upper-piles>.pile{width:var(--cw);position:relative;aspect-ratio:5/7}.stock-pile{grid-column:1}.waste-pile{grid-column:2}.foundation-pile[data-pile='0']{grid-column:4}.foundation-pile[data-pile='1']{grid-column:5}.foundation-pile[data-pile='2']{grid-column:6}.foundation-pile[data-pile='3']{grid-column:7}.columns{display:grid;grid-template-columns:repeat(7,var(--cw));justify-content:space-between;gap:18px;margin-top:30px;position:relative}.column{position:relative;min-height:126px}.card{width:100%;aspect-ratio:5/7;padding:0;border-radius:5px;min-height:0;background:var(--card);border:1px solid #d8ddce;position:absolute;left:0;top:0;box-shadow:1px 2px 0 #123c32;color:#263a32;display:block;text-align:left;font-weight:400;touch-action:pan-y}.column>.card{width:var(--cw)}.card.red{color:var(--red)}.card .corner{position:absolute;top:5px;left:5px;display:flex;flex-direction:column;align-items:flex-start;font-size:clamp(14px,1.8vw,22px);line-height:1.1;font-weight:700}.card .corner .suit{font-weight:400}.card .pip{position:absolute;left:64%;top:48%;transform:translateX(-50%);font-size:34px;line-height:1}.card .opposite{position:absolute;right:5px;bottom:6px;font-size:17px;line-height:1.05;display:flex;flex-direction:column;align-items:center}.card.back{background:#436b5c;border-color:#a0b19a;box-shadow:none;cursor:pointer}.card.back::after{content:'';position:absolute;inset:4px;border:1px solid #7e9b82;border-radius:3px;background:repeating-linear-gradient(0deg,#365b4e 0 10px,#537969 10px 11px)}.card.hidden-card{pointer-events:none;cursor:default}.card.empty{background:var(--felt-dark);border:1px solid #7a9b85;box-shadow:none;color:#a3b9a0;font-size:28px;display:flex;align-items:center;justify-content:center}.card.selected{box-shadow:0 0 0 3px var(--gold),1px 2px 0 #123c32}.card.hint-source{outline:3px solid var(--gold);outline-offset:1px}.hint-target{box-shadow:0 0 0 3px #b2d9ed!important}.card[aria-disabled=true]{cursor:default}.message-band{min-height:44px;margin-top:18px;color:#c4d4bd;font-size:12px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.message-band p{margin:0;line-height:1.45}.message-band #feedback{color:#f3e5b7;flex-basis:100%;min-height:0}.message-band #feedback:empty{display:none}.message-band:has(#feedback:not(:empty)) #save-status{display:none}.message-band button{font-size:12px;min-height:32px}.boot-status{line-height:1.5;margin:8px 0 24px}.game-panel{position:absolute;z-index:8;top:115px;left:50%;transform:translateX(-50%);width:min(510px,calc(100% - 4px));padding:22px;background:var(--card);color:var(--ink);border:1px solid #d9dfd2;border-radius:12px;box-shadow:0 3px 0 3px #123b32}.game-panel h2{font:27px/1.2 Georgia,serif;padding-right:30px;margin:0 0 24px}.game-panel h3{font-size:14px;margin:18px 0 8px}.game-panel p{font-size:14px;line-height:1.6;margin:0 0 16px}.game-panel #close-panel{position:absolute;right:8px;top:8px;width:44px;border:0;background:none;color:var(--muted);font-size:24px}.panel-actions{display:grid;gap:10px;margin-top:20px}.panel-actions button{width:100%}.panel-note{font-size:12px!important;color:var(--muted);margin-top:14px!important}.setting{display:flex;align-items:flex-start;gap:12px;margin:18px 0 22px;font-size:14px;line-height:1.4}.setting input{width:22px;height:22px;accent-color:var(--felt);flex-shrink:0;margin:0}.setting small{display:block;font-size:12px;color:var(--muted);margin-top:5px}.game-shell.panel-open{min-height:var(--panel-height,0)}.game-content.panel-open .board{pointer-events:none}.game-content.panel-open .board .card{pointer-events:none}.drag-ghost{position:fixed;pointer-events:none;z-index:100;opacity:.9;transform:rotate(-2deg);filter:drop-shadow(0 5px 8px #0004)}.drag-ghost .card{width:100%!important}.reduced-motion *{scroll-behavior:auto;animation:none;transition:none}.advertisement{grid-area:ad;width:300px;margin-top:70px;position:sticky;top:24px;align-self:start;color:var(--muted);font-size:11px;text-align:center}.ad-label{line-height:12px;margin-bottom:8px}.ad-size::after{content:' · 300 × 250'}.ad-surface{width:300px;height:250px;background:#ecece6;border:1px solid #c6cec3;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:12px}.ad-waiting,.ad-empty{display:none}.advertisement[data-ad-state=waiting] .ad-placeholder,.advertisement[data-ad-state=empty] .ad-placeholder{display:none}.advertisement[data-ad-state=waiting] .ad-waiting,.advertisement[data-ad-state=empty] .ad-empty{display:block}.advertisement[data-ad-state=empty] .ad-surface{background:var(--paper)}.editorial{grid-area:copy;min-width:0;color:var(--ink);font-size:14px;line-height:1.65;max-width:900px}.editorial h2{font:27px/1.2 Georgia,serif;margin:0 0 18px}.editorial h3{font-size:18px;line-height:1.35;margin:26px 0 12px}.editorial p{margin:0 0 20px}.editorial a{font-weight:700}.editorial details{margin-top:30px;border-top:1px solid var(--line);padding-top:20px}.editorial summary{cursor:pointer;font-size:16px;padding:8px 0}.editorial details h3{font-size:16px}.footer-details,footer{max-width:1360px;margin:30px auto;color:var(--muted);font-size:12px;line-height:1.6}footer{display:flex;gap:22px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:20px}footer span{margin-left:auto}.footer-details{max-width:900px;margin-left:max(40px,calc((100vw - 1360px)/2))}.footer-details h2{font-size:15px;font-weight:400}.board:fullscreen{padding:24px;background:var(--felt);overflow:auto}.game-shell:fullscreen{border-radius:0;padding:24px;overflow:auto;min-height:100vh;width:100vw}.game-shell:fullscreen .game-panel{position:absolute}.game-shell:fullscreen .board{--cw:90px}.game-shell:fullscreen .message-band{min-height:44px}
@media(min-width:600px) and (max-width:1439px){main,.site-header,footer{margin-left:40px;margin-right:40px}.footer-details{margin-left:40px}}
@media(min-width:600px) and (max-width:1279px){main,.site-header,footer{margin-left:32px;margin-right:32px}.layout{grid-template-columns:minmax(0,1fr);grid-template-areas:'ad' 'game' 'copy';row-gap:48px}.advertisement{position:static;margin:0 auto;width:728px}.ad-surface{width:728px;height:90px}.ad-size::after{content:' · 728 × 90'}.intro{padding-bottom:26px}.game-shell{padding-top:20px}.board{--cw:70px;margin-top:22px}.upper-piles,.columns{gap:18px}.columns{margin-top:20px}.column{min-height:98px}.card .corner{font-size:18px}.card .pip{font-size:24px}.card .opposite{display:none}.footer-details{margin-left:32px}}
@media(min-width:600px) and (max-width:899px){.toolbar{grid-template-columns:192px max-content 44px;gap:20px}.secondary-actions .rules-button,.secondary-actions .settings-button,.secondary-actions .fullscreen-button{display:none}.secondary-actions .more-button{display:block;width:44px;min-width:44px;background:var(--card);color:var(--ink);border:1px solid #d6dfd4}.advertisement,.ad-surface{width:468px}.ad-surface{height:60px}.ad-size::after{content:' · 468 × 60'}}
@media(max-width:599px){.site-header{display:none}main{margin:0}.intro{height:60px;padding:12px 14px 0}.intro h1{font-size:25px;line-height:29px;margin-bottom:4px}.intro p{font-size:12px;line-height:15px}.desktop-subtitle{display:none}.mobile-subtitle{display:inline}.layout{grid-template-columns:minmax(0,1fr);grid-template-areas:'ad' 'game' 'copy';gap:40px}.advertisement{width:320px;position:static;margin:21px auto 0;height:69px}.ad-surface{width:320px;height:50px}.ad-size::after{content:' · 320 × 50'}.ad-label{margin-bottom:8px;font-size:11px;line-height:11px}.game-shell{margin:0 6px;border-radius:14px;padding:8px 8px 4px}.toolbar{margin:0;grid-template-columns:176px 1fr;grid-template-areas:'mode secondary' 'actions actions';gap:8px 0}.mode-switch{width:176px}.actions{gap:8px}.actions button{font-size:12px;padding:0 5px}.actions #undo{width:27%}.actions #hint{width:23%}.actions #new-game{width:auto;flex:1}.secondary-actions{gap:8px}.secondary-actions .rules-button{width:70px;min-width:70px;background:var(--card);color:var(--ink);border:1px solid #d6dfd4}.secondary-actions .more-button{display:block;min-width:44px;width:44px;background:var(--card);color:var(--ink);border:1px solid #d6dfd4}.secondary-actions .settings-button,.secondary-actions .fullscreen-button{display:none}.board{margin-top:18px;--cw:calc((100% - 24px)/7)}.upper-piles,.columns{gap:4px}.columns{margin-top:24px}.column{min-height:54px}.card .corner{font-size:14px;line-height:1.1}.card .pip{font-size:19px}.card .opposite{display:none}.card.empty{font-size:23px}.message-band{font-size:11px;min-height:44px;margin-top:14px}.game-panel{top:120px;padding:21px;left:6px;right:6px;transform:none;width:auto;border-radius:12px}.game-panel h2{font-size:21px;margin-bottom:24px}.game-panel p{font-size:13px}.game-panel h3{font-size:14px}.editorial{padding:0 16px}.editorial h2{font-size:20px}.editorial h3{font-size:18px}.editorial p{font-size:14px}footer{margin:28px 16px 16px;gap:14px}footer span{margin-left:0;flex-basis:100%}.footer-details{margin:24px 16px;font-size:12px}.game-shell:fullscreen{margin:0;padding:10px}.game-shell:fullscreen .board{--cw:calc((100% - 24px)/7)}}
@media(max-width:351px){.advertisement,.ad-surface{width:300px}.ad-size::after{content:' · 300 × 50'}.toolbar{grid-template-columns:156px 1fr}.mode-switch{width:156px}}
@media(min-width:600px) and (max-height:499px){.site-header{height:52px;margin:0 16px}.brand{display:none}.site-header nav{margin-left:auto;font-size:12px}.intro{position:absolute;left:16px;top:13px;height:auto;padding:0}.intro h1{font-size:25px;line-height:28px}.intro p{display:none}main{margin:12px 16px}.layout{grid-template-areas:'game' 'ad' 'copy';gap:48px}.game-shell{padding:20px 24px 4px}.board{--cw:60px;margin-top:22px}.columns{margin-top:20px}.card .corner{font-size:18px}.card .pip{font-size:24px}.ad-surface{height:60px;width:468px}.advertisement{width:468px}.ad-size::after{content:' · 468 × 60'}.toolbar{grid-template-columns:192px max-content 1fr}.secondary-actions .more-button{display:none}.secondary-actions .rules-button,.secondary-actions .settings-button,.secondary-actions .fullscreen-button{display:block}}
.intro{padding-bottom:20px}.advertisement{margin-top:50px}.message-band{min-height:18px;margin-top:6px}
@media(max-width:1279px){.advertisement{margin-top:0}.intro{padding-bottom:26px}}
@media(max-width:599px){.intro{padding-bottom:0}.advertisement{margin-top:21px}.message-band{min-height:32px;margin-top:14px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
main{container-type:inline-size;container-name:page}.site-header,.site-header nav{flex-wrap:wrap}
@container page (max-width:1147px){
 .layout{grid-template-columns:minmax(0,1fr);grid-template-areas:'ad' 'game' 'copy';row-gap:48px}
 .advertisement{position:static;width:728px;margin:0 auto}.ad-surface{width:728px;height:90px}.ad-size::after{content:' · 728 × 90'}
 .toolbar{grid-template-columns:176px max-content 44px;grid-template-areas:'mode actions secondary';gap:12px}
 .secondary-actions .rules-button,.secondary-actions .settings-button,.secondary-actions .fullscreen-button{display:none}
 .secondary-actions .more-button{display:block;min-width:44px;width:44px;background:var(--card);color:var(--ink);border:1px solid #d6dfd4}
 .board{margin-top:22px}.columns{margin-top:20px}.card .corner{font-size:18px}.card .pip{font-size:24px}.card .opposite{display:none}
}
@container page (max-width:747px){.advertisement,.ad-surface{width:468px}.ad-surface{height:60px}.ad-size::after{content:' · 468 × 60'}}
@container page (max-width:599px){
 .layout{row-gap:40px}.advertisement{width:320px;margin:21px auto 0;height:69px}.ad-surface{width:320px;height:50px}.ad-size::after{content:' · 320 × 50'}
 .game-shell{padding:8px 8px 4px;border-radius:14px}.toolbar{grid-template-columns:176px 1fr;grid-template-areas:'mode secondary' 'actions actions';gap:8px 0}.mode-switch{width:176px}
 .actions{gap:8px}.actions button{font-size:12px;padding:0 5px}.actions #undo{width:27%}.actions #hint{width:23%}.actions #new-game{width:auto;flex:1}
 .secondary-actions{gap:8px}.secondary-actions .rules-button{display:block;width:70px;min-width:70px;background:var(--card);color:var(--ink);border:1px solid #d6dfd4}
 .board{margin-top:18px}.upper-piles,.columns{gap:4px}.columns{margin-top:24px}.card .corner{font-size:14px}.card .pip{font-size:19px}.message-band{min-height:32px;margin-top:14px;font-size:11px}
 .game-panel{top:120px;padding:21px;left:6px;right:6px;transform:none;width:auto}.game-panel h2{font-size:21px}.editorial h2{font-size:20px}
}
@container page (max-width:351px){.advertisement,.ad-surface{width:300px}.ad-size::after{content:' · 300 × 50'}.toolbar{grid-template-columns:156px 1fr}.mode-switch{width:156px}}
@media(min-width:600px) and (max-height:499px){.layout{grid-template-areas:'game' 'ad' 'copy'}.advertisement{width:468px;height:auto;margin:0 auto}.ad-surface{width:468px;height:60px}.ad-size::after{content:' · 468 × 60'}}
@media(pointer:coarse){.advertisement{position:static}}
.stock-cue{position:absolute;top:calc(100% + 3px);left:50%;transform:translateX(-50%);padding-top:4px;white-space:nowrap;font-size:11px;line-height:14px;color:#e8deb9;pointer-events:auto;cursor:pointer;user-select:none}
.stock-cue::before{content:'';position:absolute;top:-1px;left:calc(50% - 3px);border-left:3px solid transparent;border-right:3px solid transparent;border-bottom:4px solid currentColor}