:root{color:#1f2937;background:#f4f6fb;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{background:radial-gradient(circle at top,#eef2ff,#f8fafc 45%,#f4f6fb 100%);margin:0}#root{min-height:100svh}.app{width:min(1240px,100%);min-height:100dvh;padding:10px;padding-bottom:max(10px, env(safe-area-inset-bottom));margin:0 auto}.appLayout{grid-template-columns:260px minmax(0,1fr);align-items:start;gap:12px;min-height:calc(100dvh - 20px);display:grid}.mainPanel{gap:10px;display:grid}.mobileTopBar{display:none}.mobileTopBar h1,.appTitle{color:#0f172a;margin:0;font-size:1.2rem}.appTagline,.mobileTopBar p{color:#64748b;margin:4px 0 0;font-size:.84rem}.gameSidebar{background:#fff;border:1px solid #e5e7eb;border-radius:16px;height:calc(100dvh - 20px);padding:12px;position:sticky;top:10px;overflow:auto}.gameSidebar h2,.mobileGameSelector h2{color:#334155;margin:8px 0 10px;font-size:1rem}.gameNavList{gap:10px;display:grid}.gameNavItem{text-align:left;background:#fff;border:1px solid #e2e8f0;border-radius:12px;gap:8px;width:100%;padding:10px 12px;display:grid}.gameNavItem.active{border-color:#3b82f6;box-shadow:0 0 0 2px #3b82f626}.gameNavItem.inactive{cursor:pointer}.gameNavItem.disabled{color:#6b7280;cursor:not-allowed;background:#f8fafc}.gameNavItem:not(:disabled):hover{border-color:#93c5fd}.gameNavName{font-weight:600;line-height:1.2}.mobileGameSelector{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:12px;display:none}.mobileGameList{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;display:grid}.mobileGameCard{appearance:none;text-align:left;background:#fff;border:1px solid #e2e8f0;border-radius:12px;width:100%;padding:10px}.mobileGameCard.inactive{cursor:pointer}.mobileGameCard.active{border-color:#3b82f6;box-shadow:0 0 0 2px #3b82f624}.mobileGameCard.disabled{color:#6b7280;background:#f8fafc}.mobileGameCard:disabled{cursor:not-allowed}.mobileGameCard h3{margin:0 0 4px;font-size:.95rem}.mobileGameCard p{margin:0;font-size:.82rem}.badge{border-radius:999px;width:fit-content;padding:3px 10px;font-size:.78rem;display:inline-flex}.badge-live{color:#166534;background:#dcfce7}.badge-planned{color:#475569;background:#e2e8f0}.gamePanel{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:12px}.activeGameMeta{border-bottom:1px solid #e5e7eb;margin-bottom:10px;padding-bottom:8px}.activeGameMeta h2{color:#0f172a;margin:0;font-size:1.05rem}.activeGameMeta p{color:#64748b;margin:4px 0 0;font-size:.84rem}.chessWrap{gap:10px;display:grid}.chessHeader{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.chessHeader h2{margin:0;font-size:1.3rem}.difficultyRow{color:#4b5563;gap:6px;font-size:.9rem;display:grid}.difficultyRow select{color:#111827;background:#fff;border:1px solid #cbd5e1;border-radius:10px;padding:8px 10px;font-size:.95rem}.difficultyRow select:disabled{color:#6b7280;cursor:not-allowed;background:#f1f5f9;border-color:#d1d5db}.difficultyHelp{color:#64748b;margin:-6px 0 0;font-size:.82rem}.difficultyHelp.locked{color:#475569}.statusGrid{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;gap:6px;padding:12px;display:grid}.statusLine,.thinkingLine{margin:0}.statusEngine{color:#1d4ed8;font-weight:600}.statusEngine.fallback{color:#92400e}.info{color:#1d4ed8}.statusPlaceholder{visibility:hidden}.error{color:#991b1b;background:#fee2e2;border:1px solid #fecaca;border-radius:8px;margin:0;padding:8px}.messageSlot{min-height:44px}.errorHidden{visibility:hidden}.boardShell{justify-content:center;width:100%;display:flex}.board{aspect-ratio:1;border:1px solid #cbd5e1;border-radius:16px;grid-template-rows:repeat(8,1fr);grid-template-columns:repeat(8,1fr);width:100%;max-width:min(560px,100dvh - 300px);display:grid;overflow:hidden;box-shadow:0 10px 25px #0f172a2e,0 3px 8px #0f172a1a}.square{appearance:none;aspect-ratio:1;cursor:pointer;border:none;justify-content:center;align-items:center;width:100%;height:100%;margin:0;padding:0;font-family:Segoe UI Symbol,"Noto Sans Symbols 2",Apple Symbols,sans-serif;font-size:clamp(1.35rem,4.3vw,2.7rem);line-height:1;display:flex;position:relative}.square span{pointer-events:none;text-shadow:0 1px 2px #0003;line-height:1;display:block;transform:translateY(-1px)}.square.light{background:#f4e6cc}.square.dark{background:#b78660}.square.lastMove{box-shadow:inset 0 0 0 3px #facc15bf}.square.target{box-shadow:inset 0 0 0 4px #22c55ed9}.square.selected{box-shadow:inset 0 0 0 4px #2563ebe6}.square:disabled{cursor:not-allowed}.controls button{cursor:pointer;color:#334155;background:#fff;border:1px solid #cbd5e1;border-radius:10px;padding:9px 14px;font-weight:600}.controls button:hover{background:#f8fafc}.ghostWrap{gap:10px;display:grid}.ghostHeaderRow{gap:4px;display:grid}.ghostHeaderBar{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:10px;display:flex}.ghostHeaderRow h2{margin:0;font-size:1.3rem}.ghostHeaderRow p{color:#475569;margin:0;font-size:.9rem}.ghostLegend{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.legendItem{color:#334155;align-items:center;gap:6px;font-size:.84rem;display:inline-flex}.setupHelp{color:#64748b;margin:-4px 0 0;font-size:.82rem}.setupHelp.locked{color:#475569}.ghostStatusGrid{background:#f8fafc}.ghostBoardShell{justify-content:center;display:flex}.ghostBoard{aspect-ratio:1;border:1px solid #cbd5e1;border-radius:14px;grid-template-rows:repeat(6,1fr);grid-template-columns:repeat(6,1fr);width:100%;max-width:min(540px,100dvh - 360px);display:grid;overflow:hidden;box-shadow:0 9px 22px #0f172a29,0 2px 7px #0f172a14}.ghostSquare{appearance:none;cursor:pointer;border:none;justify-content:center;align-items:center;margin:0;padding:0;display:flex;position:relative}.ghostSquare.light{background:#f8ead2}.ghostSquare.dark{background:#b78a67}.ghostSquare.lastMove{box-shadow:inset 0 0 0 3px #facc15b8}.ghostSquare.target{box-shadow:inset 0 0 0 4px #22c55ed9,inset 0 0 0 999px #22c55e14}.ghostSquare.selected{box-shadow:inset 0 0 0 4px #2563ebe0}.ghostSquare:disabled{cursor:not-allowed}.ghostSquare.exit:after{content:"";pointer-events:none;border:2px dashed #1e40af73;border-radius:50%;width:28%;height:28%;position:absolute}.ghostToken{border-radius:999px;justify-content:center;align-items:center;width:clamp(1.6rem,4vw,2.15rem);height:clamp(1.6rem,4vw,2.15rem);font-size:clamp(.82rem,2.4vw,1.12rem);font-weight:700;display:flex;position:relative;box-shadow:0 2px 6px #0f172a2e}.ghostToken.player.good{color:#166534;background:linear-gradient(135deg,#e6ffef,#c5f7da);border:1px solid #22c55e}.ghostToken.player.bad{color:#991b1b;background:linear-gradient(135deg,#ffe4e4,#ffc9d2);border:1px solid #ef4444}.ghostToken.computer.unknown{color:#334155;background:linear-gradient(135deg,#e2e8f0,#cbd5e1);border:1px solid #64748b}.ghostIcon{filter:drop-shadow(0 1px 1px #0f172a33)}.ghostBadge{color:#fff;background:#0f172a;border:1px solid #ffffffbf;border-radius:999px;justify-content:center;align-items:center;min-width:.95rem;height:.95rem;font-size:.62rem;font-weight:800;line-height:1;display:flex;position:absolute;bottom:-4px;right:-3px}.ghostToken.player.good .ghostBadge{background:#15803d}.ghostToken.player.bad .ghostBadge{background:#b91c1c}.ghostToken.computer.unknown .ghostBadge{background:#334155}.exitDot{border:2px dashed #1e40af85;border-radius:50%;width:.8rem;height:.8rem}.ghostControls{flex-wrap:wrap;gap:8px;display:flex}.ghostControls button{cursor:pointer;color:#334155;background:#fff;border:1px solid #cbd5e1;border-radius:10px;padding:8px 12px;font-weight:600}.ghostControls button:hover:not(:disabled){background:#f8fafc}.ghostControls button:disabled{color:#94a3b8;cursor:not-allowed}.ghostCapturedGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.ghostCapturedCard{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:10px}.ghostCapturedCard h3{margin:0 0 8px;font-size:.95rem}.ghostCapturedList{flex-wrap:wrap;gap:6px;display:flex}.capturedTag{border:1px solid #0000;border-radius:999px;padding:2px 8px;font-size:.78rem}.capturedTag.good{color:#166534;background:#dcfce7;border-color:#86efac}.capturedTag.bad{color:#991b1b;background:#fee2e2;border-color:#fca5a5}.capturedEmpty{color:#64748b;font-size:.85rem}.ghostRules{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:10px 12px}.ghostRules h3{margin:0 0 6px;font-size:.95rem}.ghostRules ul{color:#334155;gap:4px;margin:0;padding-left:18px;font-size:.85rem;display:grid}@media (width<=920px){.app{min-height:100svh;padding:8px}.appLayout{grid-template-columns:1fr;min-height:auto}.gameSidebar{display:none}.mobileTopBar{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:8px 10px;display:block}.mobileGameSelector{padding:10px;display:block}.gamePanel{padding:10px}.ghostCapturedGrid{grid-template-columns:1fr}.ghostBoard{max-width:min(100%,520px)}.ghostHeaderBar{gap:8px;display:grid}}@media (width<=640px){.mobileTopBar h1{font-size:1.08rem}.mobileGameList{grid-template-columns:repeat(auto-fit,minmax(136px,1fr));gap:8px}.mobileGameCard{padding:8px}.board,.ghostBoard{max-width:min(100vw - 40px,520px)}}