.community-app{display:block;min-height:100dvh;background:var(--page,#f7f8fa);color:var(--text,#253847)}
.community-header{display:flex;align-items:center;gap:30px;padding:20px 5vw;border-bottom:1px solid var(--line,#dde2e6);background:var(--surface,#fff)}.community-header .brand{margin:0;font-size:22px;flex-shrink:0}.community-header nav{display:flex;flex:1;gap:22px;flex-wrap:wrap}.community-header nav a{font-size:13px;color:var(--text-muted,#657684);text-decoration:none}.community-header nav a[aria-current]{color:var(--accent,#275d88);font-weight:700}.community-main{max-width:1240px;width:100%;padding:36px 32px 60px;margin:auto}.community-main h1{font:750 clamp(26px,3vw,38px)/1.2 Manrope,sans-serif;letter-spacing:-1px;margin:8px 0 12px}.community-main h2{font:700 23px/1.3 Manrope,sans-serif;margin:0 0 8px}.community-main h3{margin:0 0 12px;font-size:15px}.community-main .eyebrow{font-size:10px;letter-spacing:2px;color:var(--accent);font-weight:700}.community-main .intro{color:var(--text-muted);font-size:14px;margin-bottom:24px}.community-main p{line-height:1.7}.community-main button,.community-main a.primary{min-height:40px}.community-main .primary,.community-main .secondary{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;padding:10px 14px;font-size:12px;gap:6px}.community-app [hidden]{display:none!important}.community-app button:disabled{opacity:.5;cursor:default}.community-app button:focus-visible,.community-app a:focus-visible,.community-app input:focus-visible,.community-app select:focus-visible{outline:3px solid #93b6d6;outline-offset:3px}.community-main label,#account-form label{display:flex;flex-direction:column;gap:7px;font-size:12px;font-weight:600}.community-main select,.community-main input,#account-form input{padding:10px 12px;border:1px solid var(--line,#dbe1e6);background:var(--surface,#fff);border-radius:6px;color:inherit;font:inherit}.catalog-toolbar,.puzzle-heading,.editor-toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:24px}.filters,.actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.filters{gap:16px}.puzzle-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.puzzle-card,.detail-card{border:1px solid var(--line,#dbe1e6);background:var(--surface,#fff);border-radius:12px;padding:22px}.puzzle-card{display:flex;flex-direction:column;gap:13px}.puzzle-card h2{font-size:19px}.puzzle-card p{margin:0;font-size:12px;color:var(--text-muted)}.puzzle-card .actions{margin-top:auto}.puzzle-card .badge{align-self:flex-start;background:var(--panel,#edf1f4);padding:5px 9px;border-radius:5px;color:var(--text-muted);font-size:10px}.puzzle-card .statistics{display:flex;gap:16px;font-size:12px;padding-top:12px;border-top:1px solid var(--line)}.statistics strong{display:block;font-size:19px;color:var(--text)}.pagination{display:flex;justify-content:center;align-items:center;gap:20px;margin-top:28px;font-size:12px}.empty-state{padding:55px 25px;text-align:center;border:1px dashed var(--line);border-radius:12px}.empty-state p{color:var(--text-muted)}#notice{min-height:0;margin:0 0 18px;font-size:13px}#notice:empty{display:none}#notice.error,#account-error{color:#a43c31}.puzzle-heading p{margin:0;color:var(--text-muted);font-size:12px}.editor-toolbar{background:var(--panel,#edf1f4);padding:14px;border-radius:10px;justify-content:flex-start;gap:10px}.editor-toolbar label{font-size:10px}.segmented{display:flex;background:white;border:1px solid var(--line);border-radius:6px;padding:3px}.segmented button{padding:8px 12px;border:0;background:transparent;color:var(--text);border-radius:4px;font-size:12px}.segmented button[aria-pressed=true]{background:var(--accent,#285f8a);color:white}#save-state{font-size:11px;color:var(--text-muted);margin-right:auto}.builder-layout{display:grid;grid-template-columns:minmax(0,550px) minmax(260px,1fr);gap:28px;align-items:start}.builder-board-column{min-width:0}#puzzle-board{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));width:100%;aspect-ratio:1;border:2px solid #465968;background:#fff;touch-action:none;user-select:none}.builder-cell{position:relative;padding:0;min-height:0!important;min-width:0;aspect-ratio:1;border:0;border-right:1px solid #dce2e7;border-bottom:1px solid #dce2e7;border-radius:0;background:transparent;font:500 clamp(17px,2.5vw,30px)/1 Manrope,sans-serif;color:#285f8a;display:flex;align-items:center;justify-content:center}.builder-cell:nth-child(3n){border-right:2px solid #465968}.builder-cell:nth-child(9n){border-right:0}.builder-cell:nth-child(n+19):nth-child(-n+27),.builder-cell:nth-child(n+46):nth-child(-n+54){border-bottom:2px solid #465968}.builder-cell:nth-child(n+73){border-bottom:0}.builder-cell.given{font-weight:750;color:#253847}.builder-cell.selected{background:#dcebf5}.builder-cell.conflict{background:#fce6df;color:#a43c31}.builder-cell.focused{box-shadow:inset 0 0 0 2px #4585ae}.builder-cell .cage-outline{position:absolute;inset:3px;pointer-events:none;border:0 dashed #7e8d97;border-radius:3px}.builder-cell .cage-total{position:absolute;top:4px;left:6px;font:700 clamp(8px,1vw,11px)/1.1 'DM Sans',sans-serif;color:#344b5c;background:inherit;z-index:1}.builder-cell .cell-value{padding-top:5px;pointer-events:none}.builder-notes{position:absolute;inset:8px 3px 2px;display:grid;grid-template-columns:repeat(3,1fr);align-items:center;font:500 clamp(7px,1vw,11px)/1 sans-serif;color:#637582;pointer-events:none}.builder-numbers{display:grid;grid-template-columns:repeat(9,1fr);gap:5px;margin-top:14px}.builder-numbers button{border:1px solid var(--line);background:white;border-radius:6px;color:var(--accent);font:600 21px Manrope,sans-serif;padding:10px 0}.board-actions{display:flex;gap:8px;margin:12px 0;flex-wrap:wrap}.board-actions [aria-pressed=true]{background:#dcebf5}.muted{color:var(--text-muted);font-size:12px;font-weight:400}.builder-details{display:flex;flex-direction:column;gap:16px}.detail-card p{font-size:12px;color:var(--text-muted);margin:8px 0 16px}.detail-card label{margin:12px 0}.detail-card .actions{gap:8px}.detail-card ul{padding-left:20px;font-size:12px;color:#a43c31;line-height:1.7}.detail-card li{margin-bottom:6px}.cage-list{display:flex;gap:6px;flex-wrap:wrap;margin-top:18px}.cage-list button{background:var(--panel);border:1px solid var(--line);border-radius:5px;padding:6px 9px;font-size:11px}.cage-list button[aria-pressed=true]{border-color:var(--accent);background:#dcebf5}#publication{margin-top:24px}#publication a{overflow-wrap:anywhere;color:var(--accent)}#validation-status[data-status=unique]{color:#397047}#validation-status[data-status=invalid],#validation-status[data-status=none]{color:#a43c31}#account-dialog{width:min(440px,calc(100vw - 32px));padding:30px;border:1px solid var(--line);border-radius:12px;color:var(--text)}#account-dialog::backdrop{background:#1e344b77}#account-form{position:relative}#account-form label{margin:16px 0}#account-form h2{margin-top:0}#account-info,#account-error{font-size:12px;line-height:1.6}#account-form .dialog-close{position:absolute;top:-15px;right:-15px;border:0;background:transparent;font-size:25px}#account-form .actions{margin-top:20px}#play-state{font-size:12px}.catalog-toolbar>p{font-size:13px;color:var(--text-muted)}
@media(max-width:950px){.puzzle-list{grid-template-columns:repeat(2,minmax(0,1fr))}.community-header{gap:20px;padding:16px 24px}.community-header .brand{font-size:18px}.community-header nav{gap:12px}.builder-layout{grid-template-columns:minmax(0,1.4fr) minmax(240px,1fr);gap:18px}.community-main{padding:26px 24px}.builder-cell{font-size:clamp(16px,3vw,28px)}}
@media(max-width:680px){.community-header{flex-wrap:wrap;padding:16px;gap:16px}.community-header nav{order:3;flex-basis:100%;justify-content:space-between}.community-header #identity{margin-left:auto;max-width:175px;overflow:hidden}.community-header nav a{font-size:11px}.community-main{padding:24px 16px 45px}.puzzle-list{grid-template-columns:1fr}.catalog-toolbar{align-items:stretch}.catalog-toolbar>.primary{width:100%}.filters{width:100%}.filters label{flex:1}.builder-layout{grid-template-columns:1fr}.builder-board-column{max-width:550px;width:100%;margin:auto}.builder-cell{font-size:clamp(18px,6vw,30px)}.builder-cell .cage-total{font-size:9px;top:4px;left:5px}.builder-notes{font-size:9px}.editor-toolbar{gap:8px;padding:10px}.editor-toolbar label{width:100%}#save-state{width:100%;order:3}.puzzle-heading{align-items:flex-start}.puzzle-heading h2{font-size:23px}.builder-details{gap:12px}.puzzle-card,.detail-card{padding:18px}.builder-numbers button{font-size:19px}.filters select{max-width:100%}}
/* Keep the full construction surface reachable on desktop-sized screens. */
@media(min-width:951px){
 .builder-view .community-main{padding-top:20px}
 .builder-view .community-main>.eyebrow,.builder-view #page-title,.builder-view #page-intro{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
 .builder-view .puzzle-heading{margin-bottom:14px}
 .builder-view .editor-toolbar{margin-bottom:18px}
 .builder-view .builder-layout{grid-template-columns:minmax(0,min(550px,calc(100dvh - 405px))) minmax(300px,1fr)}
 .builder-view .builder-cell{font-size:clamp(18px,calc((100dvh - 405px)/17),30px)}
 .builder-view .builder-details{max-width:600px}
 .builder-view #board-help{font-size:10px;margin:6px 0}
}
.community-app button[aria-busy="true"]{opacity:.6;cursor:progress;pointer-events:none}
#delete-dialog{width:min(460px,calc(100vw - 32px));padding:28px;border:1px solid var(--line);border-radius:12px;color:var(--text)}#delete-dialog::backdrop{background:#1e344b77}#delete-dialog h2{margin-top:0}#delete-dialog p{font-size:13px;line-height:1.7;margin:16px 0 24px;color:var(--text-muted)}.community-app .delete-puzzle{color:#a43c31}.community-app .delete-confirm{background:#a43c31;color:white}
.builder-cell.sketch-digit{color:#4c83ad;font-weight:450;background-color:#f7fbff}.builder-cell.sketch-digit.selected{background-color:#dcebf5}.builder-cell.sketch-digit.conflict{background:#fce6df;color:#a43c31}.variant-badge{font-size:10px;font-weight:700;color:var(--text-muted);white-space:nowrap}.community-main .segmented{flex-wrap:wrap}.community-main .segmented button{white-space:nowrap;padding:8px 10px}#toggle-sketch{font-size:10px}#construction-tools h4{margin:18px 0 10px;font-size:12px}#construction-tools summary{font-size:12px;font-weight:650;cursor:pointer;color:var(--accent)}#construction-tools .sketch-actions{padding:12px;border-radius:8px;background:var(--panel,#edf1f4);margin-top:14px}#construction-tools .sketch-actions p{font-size:11px;margin:10px 0}.sketch-actions .actions{gap:6px}.sketch-actions .actions button{font-size:10px;min-height:34px;padding:7px 10px}.remaining-row{display:grid;grid-template-columns:90px 1fr;align-items:center;gap:12px;margin-bottom:6px}.remaining-row button{padding:5px 8px!important;min-height:30px!important;font-size:11px!important}.remaining-row span{font-size:12px;letter-spacing:1px;color:var(--text-muted)}#selection-summary{margin:8px 0 12px;font-variant-numeric:tabular-nums}#cell-candidates{font-size:12px;color:var(--accent);font-weight:600}#builder-combination-list{display:flex;flex-wrap:wrap;gap:6px;max-height:180px;overflow:auto;margin-top:12px}.combination-chip{font-size:11px;border-radius:5px;background:var(--panel);border:1px solid var(--line);padding:6px 8px}#generation-status{font-weight:600;color:var(--accent)}#generation-status:empty{display:none}.builder-view .builder-details{max-height:none}.builder-view #construction-tools{padding:18px}.builder-view #cage-editor{order:-1}
@media(min-width:951px){.builder-view .editor-toolbar{gap:8px}.builder-view #save-state{flex-basis:100%;order:4}.builder-view .builder-details{max-height:calc(100dvh - 275px);overflow-y:auto;scrollbar-gutter:stable;padding-right:8px}.builder-view .builder-layout{grid-template-columns:minmax(0,min(550px,calc(100dvh - 425px))) minmax(300px,1fr)}}
@media(max-width:680px){.community-main .segmented{width:100%}.community-main .segmented button{flex:1;font-size:11px}#toggle-sketch{flex:1}.variant-badge{width:100%}.remaining-row{grid-template-columns:85px 1fr}#construction-tools .sketch-actions{padding:10px}}