/* Same visual foundation as the private Gambit, with public play controls. */
button,select{min-height:44px}.square{min-height:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-100px;left:16px;background:var(--panel);padding:12px;z-index:30}.skip-link:focus{top:12px}.developer-link{display:block;padding:12px 8px;border-top:1px solid var(--line);font-size:14px}.sidebar .public-preview{display:block;color:var(--muted);font-size:12px;padding:0 8px;margin:8px 0 0}.sidebar nav a{display:flex;align-items:center;padding:12px;border-radius:8px;font-size:15px;gap:10px}.sidebar nav a.active{background:#423355;border:1px solid #8465a8;color:white}
#play,#learn,#assistant{scroll-margin-top:18px}#guidance{color:#eee6fa;font-size:15px;margin:7px 0}.board-scale-control label{white-space:nowrap}.board-scale-control button{min-height:34px}.board-scale-control input{width:0}.board-scale-control output{font-variant-numeric:tabular-nums}.board-toolbar{flex-wrap:wrap}.board-toolbar label{display:flex;align-items:center;gap:8px}.board-toolbar select{min-height:40px}.human-avatar{font-size:12px}.right-column{position:static}.history{line-height:2;overflow-wrap:anywhere;margin-top:12px}.replay{flex-wrap:wrap}.board{user-select:none}.rank{top:1px;left:4px}.file{bottom:0;right:4px}.square:focus-visible{outline:3px solid #124d43;outline-offset:-4px;z-index:4}.square[draggable=true]{cursor:grab}.board.drag-active .square{cursor:grabbing}.drag-origin .piece{opacity:.35}.square.drop-target{outline:4px solid #66f0c6;outline-offset:-5px;z-index:5}.legal{width:31%;height:31%;border:3px solid #124d43;background:#4ce9b8ad;border-radius:50%;z-index:3;position:absolute;box-shadow:0 0 0 5px #d9fff466;pointer-events:none}.legal.capture{inset:4%;width:auto;height:auto;border:5px solid #0af7be;background:transparent;box-shadow:inset 0 0 0 2px #124c41,0 0 0 2px #124c41}.chat-log p{color:var(--text)}.chat-bubble small{display:block}.chat-bubble p{margin:8px 0 0}.assistant-mode-row label{min-width:0;max-width:100%}.assistant-mode-row select{max-width:100%;font-size:14px}.chat-panel #message{flex:1;font-size:16px;line-height:1.6;resize:vertical;min-height:90px;max-height:220px;width:100%}.chat-panel #chat-form{display:flex;gap:10px;align-items:flex-end;padding:16px;border-top:1px solid var(--line);background:#171e2b}.chat-panel #chat-form button{margin-left:auto}.board-notice{margin:12px 18px;padding:12px 14px;border:1px solid #638d83;background:#233a39;border-radius:8px;font-size:14px}.board-notice span{display:block}.board-notice button{margin-top:8px;background:transparent;border-color:#638d83;font-size:13px}.lesson-list button small{display:block;margin-top:6px;font-size:12px}.mobile-nav{display:none}.keyless-intro{margin-bottom:24px;padding:22px}.keyless-intro h2{font-size:26px}.keyless-badge{color:var(--cyan);font-size:13px}.developer-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}.doc-card{min-width:0}.doc-card h2{font-size:21px}.doc-card p,.doc-card li{color:var(--muted);font-size:15px}pre{background:#111722;border:1px solid var(--line);border-radius:8px;padding:16px;white-space:pre-wrap;overflow-wrap:anywhere;overflow:auto;max-width:100%;color:#e7def5;font:13px/1.8 Consolas,monospace}code{font-family:Consolas,monospace}.code-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.code-tabs button{font-size:14px}.code-tabs button.active{background:#423355;border-color:#8465a8}.endpoint-list>div{display:grid;grid-template-columns:48px minmax(0,270px) 1fr;gap:15px;border-top:1px solid var(--line);padding:14px 0;font-size:14px}.endpoint-list code{overflow-wrap:anywhere;color:#d4baff}.endpoint-list b{font-size:12px;color:var(--cyan)}.endpoint-list span{color:var(--muted)}.developer-page{max-width:1500px}.developer-page .panel{margin-bottom:20px}.doc-card li{margin:10px 0}.subtle{font-size:13px!important}.workspace.assistant-focus{display:block;max-width:850px}.assistant-focus .right-column{width:100%}.assistant-focus .chat-log{height:40vh}.lesson-panel{margin-top:20px}.game-strip{flex-wrap:wrap}.game-strip #turn{min-width:0}.game-strip #ply-count{white-space:nowrap}.game-controls{flex-wrap:wrap}
@media(max-width:1100px){.board-toolbar{gap:8px}.board-toolbar label{font-size:13px}.board-toolbar select{max-width:120px}.developer-grid{grid-template-columns:1fr}.endpoint-list>div{grid-template-columns:44px minmax(0,1fr)}.endpoint-list span{grid-column:2}}
@media(max-width:1000px){.sidebar-bottom{display:none}.sidebar .new-game{margin-left:auto}.sidebar nav{justify-content:space-between}.sidebar nav button{flex:1;justify-content:center}.sidebar nav a{font-size:14px}.developer-page .sidebar nav{width:100%}}
@media(max-width:760px){body{padding-bottom:calc(65px + env(safe-area-inset-bottom))}.shell{padding:0 14px}.sidebar{padding:12px 14px}.sidebar .brand{font-size:19px}.sidebar nav button{font-size:14px;padding:8px 4px;gap:5px}.sidebar nav button span{font-size:17px;width:18px}.topbar{padding:18px 0 10px}.topbar h1{font-size:25px}.experimental-badge{font-size:11px}.notice{margin-bottom:14px}.workspace{display:flex;flex-direction:column;gap:16px}.board-column,.right-column{width:100%;min-width:0}.game-strip strong{font-size:22px}.game-strip #ply-count{font-size:12px}.turn-banner{padding:13px 14px}.board-toolbar{justify-content:space-between}.board-toolbar label{font-size:13px}.board-toolbar select{max-width:110px}.board-scale-control{gap:6px}.board-scale-control label{font-size:13px}.board-scale-control button{padding:3px 7px}.board-scale-control output{width:36px;font-size:13px}.board-scale-control #scale-reset{font-size:12px}.chat-log{height:280px;max-height:none}.chat-panel{min-height:0}.chat-panel #chat-form{flex-wrap:wrap}.chat-panel #message{flex-basis:100%}.chat-panel #send{min-width:90px}.quick-prompts{gap:6px}.quick-prompts button{font-size:13px}.mobile-nav{position:fixed;display:flex;flex-direction:row;bottom:0;left:0;right:0;z-index:20;gap:4px;padding:6px 10px calc(6px + env(safe-area-inset-bottom));background:#171c27f7;border-top:1px solid #667088}.mobile-nav button{font-size:13px;text-align:center;justify-content:center;padding:8px 4px;flex:1;min-height:44px}.mobile-nav button.active{background:#423355;border-color:#8465a8}body:has(textarea:focus) .mobile-nav{display:none}.developer-grid{grid-template-columns:1fr}.doc-card{padding:17px}.endpoint-list code{font-size:12px}.keyless-intro h2{font-size:23px}.keyless-intro{padding:18px}.position-summary{gap:10px}.material-scores{gap:16px}.position-summary strong{font-size:17px}.position-summary small{font-size:12px}.board .piece{font-size:clamp(21px,9.5cqw,70px)}}
@media(max-width:360px){.shell{padding:0 10px}.sidebar nav button{font-size:13px}.board-scale-control label{width:100%}.game-strip strong{font-size:20px}.board .piece{font-size:9.5cqw}.square .coord{font-size:9px}.lesson-list{grid-template-columns:1fr}.board-toolbar label{flex:1}.experimental-badge{padding:4px 7px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.mobile-position{display:none}
.saved-games{max-width:1000px;margin:0 auto 24px}.saved-games>p{color:var(--muted)}.saved-games details{margin-top:24px;border-top:1px solid var(--line);padding-top:18px}.saved-game{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding:16px 0}.saved-game strong,.saved-game small{display:block}.saved-game small{font-size:13px}.saved-games #session-label{font-size:14px;color:var(--cyan)}
@media(max-width:760px){body:has(.mobile-nav) .sidebar nav{display:none}.mobile-position{display:block;font-size:13px;color:#c9d9e5;margin-top:6px}.assistant-focus .chat-log{height:32vh;min-height:160px}}

.brand-icon.site-icon{width:36px;height:36px;flex:0 0 36px;object-fit:contain;border-radius:7px}