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68%,transparent)}}.master-board-header p:not(.eyebrow){line-height:1.6}.master-board-form{gap:18px;display:grid}.master-board-columns{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;display:grid}.master-board-column{border:1px solid var(--foreground);align-content:start;gap:10px;padding:14px;display:grid}@supports (color:color-mix(in lab,red,red)){.master-board-column{border:1px solid color-mix(in srgb,var(--foreground) 14%,transparent)}}.master-board-column{background:var(--background);border-radius:12px}@supports (color:color-mix(in lab,red,red)){.master-board-column{background:color-mix(in srgb,var(--background) 94%,var(--foreground) 6%)}}.master-board-column h3{margin:0;font-size:1.25rem;line-height:1}.master-board-row{grid-template-columns:18px 48px minmax(0,1fr);align-items:center;gap:8px;display:grid}.master-board-row label{color:var(--foreground)}@supports (color:color-mix(in lab,red,red)){.master-board-row label{color:color-mix(in srgb,var(--foreground) 78%,transparent)}}.master-board-row label{font-size:.82rem;font-weight:900}.master-board-row input[type=checkbox]{width:16px;height:16px;accent-color:var(--foreground);margin:0}.master-board-row input[type=text]{box-sizing:border-box;border:1px solid var(--foreground);width:100%;min-height:36px;padding:0 10px}@supports (color:color-mix(in lab,red,red)){.master-board-row input[type=text]{border:1px solid color-mix(in srgb,var(--foreground) 16%,transparent)}}.master-board-row input[type=text]{color:var(--foreground);background:var(--background);font:inherit;border-radius:8px;font-size:.86rem}.master-board-row input[type=text]:focus{outline:3px solid var(--foreground)}@supports (color:color-mix(in lab,red,red)){.master-board-row input[type=text]:focus{outline:3px solid color-mix(in srgb,var(--foreground) 28%,transparent)}}.master-board-row input[type=text]:focus{outline-offset:2px}.master-board-actions{justify-content:flex-end;display:flex}.bingo-error{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:14px;min-height:280px;display:flex}.bingo-error h1{margin:0;font-size:1.5rem;line-height:1.1}.bingo-error p{max-width:34rem;color:var(--foreground);margin:0}@supports (color:color-mix(in lab,red,red)){.bingo-error p{color:color-mix(in srgb,var(--foreground) 68%,transparent)}}.bingo-error p{line-height:1.5}.bingo-error button{border:1px solid var(--foreground);padding:10px 14px}@supports (color:color-mix(in lab,red,red)){.bingo-error button{border:1px solid color-mix(in srgb,var(--foreground) 18%,transparent)}}.bingo-error button{color:var(--background);background:var(--foreground);font:inherit;cursor:pointer;border-radius:8px;font-weight:700}.bingo-error button:hover{opacity:.86}@media (max-width:480px) and (min-width:320px){.desktop-nav{display:none}.mobile-bottom-nav{display:flex}.site-header{padding:14px 10px}.site-footer{padding-bottom:84px}.about-page{padding:40px 12px 56px}.about-cta,.about-section{margin-top:40px}.about-column-list,.about-square-section,.info-card-grid{grid-template-columns:1fr}.info-card{min-height:auto}.about-column-topic{text-align:left;grid-template-columns:44px minmax(0,1fr);align-content:center;align-items:center;min-height:74px}.about-column-topic span{text-align:center}.about-square-section{gap:20px}.about-example-square{min-height:150px}.about-rules li{grid-template-columns:32px minmax(0,1fr)}.auth-page,.dashboard-page{padding:40px 12px 56px}.dashboard-header{gap:18px;display:grid}.dashboard-header button,.dashboard-header form{width:100%}.master-board{margin-top:32px}.master-board-columns{grid-template-columns:1fr}.master-board-column{padding:12px}.master-board-actions{display:grid}.master-board-actions button{width:100%}.bingo-page{padding:28px 6px 24px}.bingo-intro{margin-bottom:22px;padding:0 6px}.bingo-intro h1{font-size:clamp(1.9rem,10vw,2.6rem)}.bingo-intro-copy{font-size:.96rem;line-height:1.5}.bingo-intro-actions a{flex:140px}.bingo-card{border-radius:12px;padding:6px}.bingo-game-context{gap:8px}.bingo-game-status{padding:5px 7px}.bingo-grid,.bingo-headers{gap:4px}.bingo-square{border-radius:8px;gap:4px;min-height:78px;padding:5px 4px}.bingo-header{gap:3px;padding:5px 1px}.bingo-header-letter{font-size:1.1rem}.bingo-square-number{font-size:.72rem}.bingo-square-scenario{font-size:.57rem;line-height:1.2}.bingo-square-detail{width:11px;height:11px;bottom:4px;right:4px}}