.four-dialog{width:min(1100px,100vw);max-width:100vw;height:100dvh;max-height:100dvh;box-sizing:border-box;padding:10px 16px;background:#fffaf3;color:#075366;overflow:hidden}.four-dialog[open]{gap:6px}.four-dialog h3,.four-dialog p{margin:0}.four-dialog h3{font:700 clamp(17px,2.5vw,26px) 'DM Sans',sans-serif}.four-dialog button{background:#e1f1f5;color:#075366;border:1px solid #b8dce2;border-radius:14px;min-height:44px;box-shadow:none;font-weight:700;padding:8px 12px}.four-dialog button:disabled{opacity:.5}.four-dialog button[aria-pressed=true]{outline:3px solid #577d87;outline-offset:-2px}.four-content{min-height:0;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center}.four-network{flex:none;margin:0;font-size:13px;text-align:center;line-height:1.2;color:#805030}.four-network:empty{display:none}.four-counter{display:flex;align-items:center;justify-content:center;width:100%;height:100%;border-radius:50%;background:var(--counter);border:2px solid #567582;box-sizing:border-box;position:relative;container-type:size}.four-counter>span{font-family:Arial,sans-serif;font-size:65cqw;line-height:1}.four-counter small{position:absolute;bottom:2%;right:5%;background:#fffaf3;color:#075366;border-radius:50%;font:700 24cqw/1.1 Arial,sans-serif;width:29%;height:29%;display:grid;place-items:center}.four-counter.player-2{border-style:dashed}.four-preview{width:110px;height:110px;flex:none;align-self:center}.four-lobby,.four-designer{display:grid;grid-template-columns:1fr 1fr;width:min(900px,100%);min-height:0;gap:18px}.four-lobby section,.four-design-preview,.four-design-choices{display:flex;flex-direction:column;align-items:stretch;justify-content:center;gap:12px;padding:18px;background:#e8f3ed;border-radius:20px;min-width:0;min-height:0}.four-lobby section+section,.four-design-choices{background:#f0ebf8}.four-lobby input{width:100%;box-sizing:border-box;min-height:44px}.four-plain{display:flex;gap:8px;justify-content:center}.four-code{font-size:clamp(28px,6vw,52px);letter-spacing:4px}.four-colours,.four-stamps,.four-saved{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:5px}.four-stamps{grid-template-columns:repeat(7,minmax(0,1fr))}.four-saved{grid-template-columns:repeat(4,minmax(0,1fr))}.four-colours button,.four-saved button{padding:4px;min-width:0;height:44px}.four-colours .four-counter,.four-saved .four-counter{width:34px;height:34px;max-width:100%;margin:auto}.four-stamps button{min-width:0;padding:3px;font-size:24px}.four-design-preview p{font-size:13px}.four-saved p{grid-column:1/-1;font-size:13px}.four-top{display:flex;align-items:center;justify-content:center;gap:20px;flex:none;flex-wrap:wrap}.four-legend{display:flex;gap:20px;align-items:center}.four-legend>span{display:flex;gap:8px;align-items:center;font-size:14px;font-weight:700}.four-legend .four-counter{height:36px;width:36px;flex:none}.four-board-space{flex:1;min-height:0;width:100%;container-type:size;display:grid;place-items:center}.four-board{height:min(100cqh,100cqw);width:min(100cqw,100cqh);display:flex;flex-direction:column;min-height:0;max-width:700px}.four-drops{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px;flex:none;padding:0 8px 5px}.four-drops button{font-size:23px;line-height:1;padding:2px;min-width:0;height:44px;min-height:44px;display:flex;justify-content:center;align-items:center;gap:3px;background:#f7edcd}.four-drops small{font-size:11px}.four-cells{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));grid-template-rows:repeat(6,minmax(0,1fr));gap:5px;background:#dcecf4;border:2px solid #a4c6d3;border-radius:18px;padding:8px;min-height:0;flex:1}.four-cell{background:#fffaf3;border:1px solid #c2d7dc;border-radius:50%;min-height:0;min-width:0;aspect-ratio:1;align-self:center;justify-self:center;height:100%;max-width:100%;box-sizing:border-box}.four-winning{outline:3px solid #698f71;outline-offset:1px}.learning-won .four-winning{animation:four-dance .5s ease-in-out 8 alternate}.four-hint{font-size:13px;flex:none}@keyframes four-dance{to{transform:rotate(12deg) scale(.9)}}
@media(orientation:portrait){.four-dialog{padding:8px}.four-top{gap:5px;flex-direction:column}.four-lobby{gap:8px}.four-lobby section{padding:10px;gap:10px}.four-designer{grid-template-columns:1fr;gap:8px;width:100%}.four-design-preview{display:grid;grid-template-columns:70px 1fr 1fr;gap:8px;padding:8px}.four-design-preview h3{grid-column:1/-1}.four-design-preview .four-preview{width:64px;height:64px;grid-row:2/4}.four-design-preview p{grid-column:2/4}.four-design-choices{padding:8px;gap:8px}.four-colours{grid-template-columns:repeat(8,minmax(0,1fr))}.four-plain{flex-wrap:wrap}.four-preview{width:80px;height:80px}.four-board{height:min(100cqh,calc(100cqw * .95 + 44px));width:100cqw}.four-content{gap:7px}}
@media(max-height:500px){.four-dialog{padding:5px 10px}.four-dialog .learning-header h2{font-size:25px}.four-content{gap:4px}.four-top{gap:14px}.four-top h3{font-size:17px}.four-legend .four-counter{height:28px;width:28px}.four-legend{gap:10px}.four-hint{font-size:11px}.four-board{width:min(100cqw,max(350px,calc((100cqh - 44px) * 1.1667)));height:100cqh;max-width:none}.four-drops{gap:3px;padding:0 5px 3px}.four-drops button{font-size:19px}.four-cells{gap:3px;padding:5px;border-radius:12px}.four-lobby section,.four-design-preview,.four-design-choices{padding:8px;gap:5px}.four-preview{width:64px;height:64px}.four-designer{grid-template-columns:.65fr 1.35fr;gap:10px}.four-designer h3{font-size:15px}.four-design-preview p{display:none}.four-stamps button,.four-colours button,.four-saved button{height:44px;min-height:44px}.four-colours .four-counter,.four-saved .four-counter{height:30px;width:30px}.four-lobby p{font-size:13px}}
@media(prefers-reduced-motion:reduce){.learning-won .four-winning{animation:none}}

.four-solo{display:flex;gap:6px;align-items:stretch}.four-solo select{min-width:0;width:50%;min-height:44px}.four-solo button{flex:1}.four-lobby section{gap:8px}@media(max-height:500px){.four-lobby section{gap:4px}.four-lobby{height:100%}.four-lobby .four-preview{width:52px;height:52px}}

.four-cell{width:100%;height:100%;aspect-ratio:auto;position:relative;container-type:size;display:grid;place-items:center;border:0;background:none;border-radius:0}.four-cell::before{content:"";display:block;width:min(100cqw,100cqh);height:min(100cqw,100cqh);border:1px solid #c2d7dc;border-radius:50%;background:#fffaf3;box-sizing:border-box}.four-cell .four-counter{position:absolute;width:min(100cqw,100cqh);height:min(100cqw,100cqh)}.four-winning{outline:none}.four-winning::before{outline:3px solid #698f71;outline-offset:1px}

.four-colours .four-counter{width:min(34px,100%);height:auto;aspect-ratio:1}

/* A hinged bottom rail releases the counters after the winning line is shown. */
.four-cells{position:relative}.four-cells::after{content:"";position:absolute;left:-2px;right:-2px;bottom:-3px;height:10px;background:#a4c6d3;border:1px solid #64838c;border-radius:5px;transform-origin:left center;pointer-events:none}.four-releasing::after{animation:four-open-rail .55s ease-in forwards}.four-spilled{border-bottom-color:transparent}.four-spilled::after{opacity:0}.four-releasing::after{opacity:1}.four-spilled .four-counter{visibility:hidden}.four-spilled .four-winning::before{outline:none}.four-spilled .four-winning{animation:none!important}.four-spill-overlay{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:5}.four-spill-piece{position:absolute;will-change:transform;pointer-events:none;box-sizing:border-box}@keyframes four-open-rail{to{transform:rotate(12deg) translateY(22px);opacity:0}}@media(prefers-reduced-motion:reduce){.four-releasing::after{animation:none}.four-spill-overlay{display:none}}