@import"https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&display=swap";.sh-acct{position:relative;display:flex;align-items:center}.sh-acct-login,.sh-acct-btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 10px;font-size:13px;font-weight:700;color:var(--ink);text-decoration:none;white-space:nowrap}.sh-acct-login{box-shadow:inset 0 -2px 0 var(--accent)}.sh-acct-ico{flex:none;display:block;color:var(--muted)}.sh-acct-login:hover .sh-acct-ico{color:var(--ink)}.sh-acct-btn{justify-content:center;width:44px;padding:0}.sh-acct-login:hover,.sh-acct-btn:hover{background:var(--accent-soft)!important}.sh-acct-login:focus-visible,.sh-acct-btn:focus-visible,.sh-acct-out:focus-visible{outline:2px solid var(--accent-dark);outline-offset:-2px}.sh-acct .sh-acct-ava{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;flex:none;overflow:hidden;border-radius:50%!important;background:var(--accent);color:var(--oninv, #fff);font-size:15px;font-weight:800;line-height:1}.sh-acct .sh-acct-ava img{display:block;width:100%;height:100%;object-fit:cover;border-radius:50%!important}.sh-acct-name{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.sh-acct-menu{position:absolute;right:0;top:100%;min-width:200px;background:var(--panel);border:1px solid var(--rule);box-shadow:0 6px 18px #2a23182e;z-index:400}.sh-acct-who{padding:10px 12px;font-size:12px;color:var(--muted);border-bottom:1px solid var(--line);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sh-acct-link{display:flex;align-items:center;min-height:44px;padding:0 12px;font-size:13px;font-weight:700;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line)}.sh-acct-link:hover,.sh-acct-link[aria-current=page]{background:var(--accent-soft)}.sh-acct-link:focus-visible{outline:2px solid var(--accent-dark);outline-offset:-2px}.sh-acct-out{display:block;width:100%;min-height:44px;padding:0 12px;text-align:left;font-size:13px;font-weight:700;color:var(--err)!important;padding:0 12px!important}.sh-acct-out:hover{background:var(--accent-soft)!important}.xq-hieu-ung{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:40;overflow:hidden}.xq-hieu-ung-img{display:block;height:auto;flex:none;-webkit-user-select:none;user-select:none;animation-name:xq-hieu-ung-bat;animation-timing-function:ease-out;animation-fill-mode:both;filter:drop-shadow(0 6px 18px rgba(0,0,0,.35))}.xq-hieu-ung-chieu{width:34%}.xq-hieu-ung-thang{width:50%}.xq-hieu-ung-thua{width:44%}.xq-hieu-ung-hoa{width:32%}@keyframes xq-hieu-ung-bat{0%{opacity:0;transform:scale(.55)}14%{opacity:1;transform:scale(1.08)}24%{transform:scale(1)}78%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(1.04)}}@keyframes xq-hieu-ung-mo{0%{opacity:0}12%{opacity:1}80%{opacity:1}to{opacity:0}}@media (prefers-reduced-motion: reduce){.xq-hieu-ung-img{animation-name:xq-hieu-ung-mo}}[data-xq-theme=site]{--app: #f6f1ea;--panel: #fffdf9;--phead: #efe7db;--side: #f1eae0;--field: #ffffff;--ink: #2a2318;--muted: #6a5f50;--line: rgba(42, 35, 24, .15);--rule: rgba(42, 35, 24, .36);--selrow: #f5e7cd;--sideact: #f2e3c6;--chip: #ece3d5;--accent: #c8913a;--accent-dark: #a97724;--accent-soft: #f2e3c6;--oninv: #2a2318;--pos: #14743c;--neg: #3a4fa8;--run: #1f8a4c;--ready: #6a5f50;--err: #9c2b16;--ben-do-thong-ke: #9c2b16;--wood: #d4a46c;--wood-2: #dcb078;--font: "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--mono: ui-monospace, "SF Mono", Menlo, monospace;--tx: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.055'/%3E%3C/svg%3E")}#co-tuong-ai-root{position:relative;height:100vh;height:100svh;--pa-header-h: 48px;display:flex;flex-direction:column;overflow:hidden;background:var(--app);color:var(--ink);font-family:var(--font);font-size:13px;line-height:1.4;font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased}#co-tuong-ai-root *,#co-tuong-ai-root *:before,#co-tuong-ai-root *:after{box-sizing:border-box;border-radius:0}:where(#co-tuong-ai-root) button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}#co-tuong-ai-root button:disabled{opacity:.4;cursor:not-allowed}#co-tuong-ai-root :focus-visible{outline:2px solid var(--accent);outline-offset:2px}.pa-bar{background-image:var(--tx)}.pa-header{display:flex;align-items:center;gap:22px;padding:0 14px;height:var(--pa-header-h);flex:none;border-bottom:2px solid var(--rule);position:relative;z-index:300}.pa-brand{display:flex;align-items:center;flex:none}.pa-brand img{display:block}.pa-head-title{display:flex;flex-direction:column;min-width:0;flex:1}.pa-head-name{font-size:14px;font-weight:800;white-space:nowrap}.pa-head-sub{font-size:10.5px;color:var(--muted);white-space:nowrap}.pa-head-sub[data-phase=engineThinking],.pa-head-sub[data-phase=enginePacing]{color:var(--run)}.pa-head-sub[data-phase=engineError]{color:var(--err)}.pa-nav{display:flex;gap:2px;align-self:stretch;min-width:0;overflow:hidden}.pa-nav-link{display:flex;align-items:center;padding:0 10px;font-size:13px;white-space:nowrap;text-decoration:none;color:var(--muted)}.pa-nav-on{font-weight:800;color:var(--ink);box-shadow:inset 0 -2px 0 var(--accent)}.pa-status{font-weight:800;white-space:nowrap}.pa-status[data-phase=engineError]{color:var(--err)}.pa-status[data-phase=engineThinking],.pa-status[data-phase=enginePacing]{color:var(--run)}.pa-chip{padding:2px 8px;background:var(--chip);border:1px solid var(--line);font-size:11.5px;white-space:nowrap}.pa-stage{flex:1;min-height:0;display:flex;flex-direction:column;overflow:auto}.pa-stage .pt-well{flex:1;place-items:start center!important;padding-top:4px!important}@media (min-width: 1100px){.pa-body:after{content:"";width:260px;max-width:25%;flex:none}}.pa-strip{display:flex;align-items:center;gap:10px;padding:7px 14px;flex:none;border-top:1px solid var(--line);background:var(--panel);min-height:0;flex-wrap:wrap}.pa-strip .pa-dem{margin-left:auto;white-space:nowrap}.pa-mono{font-family:var(--mono);font-weight:800}.pa-dim{color:var(--muted)}.pa-error-bao{display:flex;align-items:baseline;gap:6px;min-width:0}.pa-error{color:var(--err);font-weight:800}.pa-outcome strong{font-weight:800}.pa-actions{display:flex;align-items:stretch;gap:0;padding:0;flex:none;border-top:2px solid var(--rule);background:var(--panel);justify-content:center}.pa-actions .pa-act{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-width:78px;height:58px;padding:6px 12px;border:0;border-left:1px solid var(--line);background:transparent;font-size:11.5px;font-weight:700;letter-spacing:.01em;cursor:pointer}.pa-actions .pa-act:first-child{border-left:0}.pa-actions .pa-act:hover:not(:disabled){background:var(--chip)}.pa-actions .pa-act svg{width:18px;height:18px;flex:none}.pa-actions .pa-act span{white-space:nowrap}.pa-resign-bar{margin-left:auto;border-color:var(--err);color:var(--err)}.pa-btn{height:34px;padding:0 14px;border:1px solid var(--rule);font-weight:800;background:var(--panel)}.pa-btn-primary{background:var(--accent);color:var(--oninv);border-color:var(--accent-dark);font-weight:800;padding:0 26px;height:36px}.pa-backdrop{position:fixed;inset:var(--pa-header-h) 0 0 0;z-index:200;display:flex;align-items:center;justify-content:center;padding:16px;background:#2a231866}.pa-dialog{width:min(460px,100%);max-height:calc(100vh - var(--pa-header-h) - 32px);max-height:calc(100svh - var(--pa-header-h) - 32px);overflow:auto;padding:16px;background:var(--panel);border:2px solid var(--rule);display:flex;flex-direction:column;gap:12px}.pa-dialog-title{margin:0;font-size:15px;font-weight:800}.pa-group{margin:0;padding:0;border:0;display:flex;flex-wrap:wrap;gap:8px}.pa-group>.pa-legend{flex-basis:100%}.pa-legend{padding:0 0 4px;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.pa-dialog-actions{display:flex;gap:8px;justify-content:center;margin-top:2px}.pa-dialog-result{align-items:flex-start}.pa-result-headline{font-size:26px;font-weight:800}.pa-detail-text{margin:0;font-size:13px;word-break:break-word}.pa-resign{align-self:flex-start;margin-top:4px;padding:6px 0;font-size:12px;color:var(--err);text-decoration:underline}.pa-btn-small{height:26px;padding:0 10px;font-size:12px}.pa-details{font-size:12px;color:var(--muted)}.pa-option{display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border:1px solid var(--line);background:var(--panel);font-size:12.5px;cursor:pointer}.pa-option-on{background:var(--accent);color:var(--oninv);border-color:var(--accent-dark);font-weight:800}.pa-note{margin:0;font-size:12px;color:var(--muted)}@media (max-width: 767px){#co-tuong-ai-root{--pa-header-h: 52px}.pa-header{padding:0 12px;gap:10px}.pa-brand img{width:28px;height:28px}.pa-stage{flex:none}.pa-strip .pa-status{display:none}.pa-body{overflow-y:auto}.pa-nav{display:none}.pa-actions .pa-act{min-width:0;flex:1 1 0;padding:6px 4px}.pa-actions .pa-resign-bar{flex:0 0 auto;margin-left:20px}.pa-btn{height:44px;flex:1 1 auto}.pa-btn-small{height:32px;flex:0 0 auto}.pa-dialog-actions{flex-wrap:wrap}.pa-option{min-height:44px}}@media (prefers-reduced-motion: reduce){#co-tuong-ai-root *{transition:none!important;animation:none!important}}.pa-body{flex:1;min-height:0;display:flex}.pa-panel{width:260px;max-width:25%;flex:none;display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--line);background:var(--panel)}.pa-panel-head{display:flex;align-items:center;gap:8px;padding:6px 10px;flex:none;border-bottom:1px solid var(--line);cursor:default}.pa-panel-toggle{display:flex;align-items:center;gap:8px;flex:1;min-width:0;min-height:32px;background:transparent;border:0;text-align:left;cursor:pointer}.pa-panel-toggle:hover{background:var(--chip)}.pa-panel-head .pa-legend{padding:0;flex:1;text-align:left;white-space:nowrap}.pa-lang-btn{height:26px;padding:0 9px;font-size:12px;border:1px solid var(--line);background:var(--panel);display:inline-flex;align-items:center;gap:5px;flex:none}.pa-lang-btn:hover{background:var(--chip)}.pa-lang-btn svg{width:13px;height:13px;flex:none}.pa-btn-icon{padding:0 8px;line-height:1;flex:none;background:transparent;border-color:transparent;width:44px;justify-content:center;align-items:center}.pa-btn-icon:hover{background:var(--chip)}.pa-panel-duoi{width:auto;max-width:none;flex:none;border-right:0;border-top:2px solid var(--rule)}.pa-panel-duoi:not(.pa-panel-mobile){min-height:180px;max-height:240px}.pa-panel-mobile>.pa-panel{flex:1 1 auto;min-height:0;width:auto;max-width:none;border-right:0;background:transparent}.pa-panel-mobile>.pa-panel .pa-panel-head>.pa-legend{display:none}.pa-panel-duoi:not(.pa-panel-mobile) .pa-move-row{max-width:560px}.pa-movelist{flex:1;min-height:0;overflow-y:auto;padding:4px 0;position:relative}.pa-move-row{display:grid;grid-template-columns:30px 1fr 1fr;gap:4px;align-items:center;padding:3px 8px;font-size:12.5px}.pa-move-on{background:var(--selrow);box-shadow:inset 3px 0 0 var(--accent);font-weight:800}.pa-move-turn{color:var(--muted);font-family:var(--mono);text-align:right}.pa-move-cell{font-family:var(--mono);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pa-symbol-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:4px 10px;font-size:12.5px}@media (max-width: 1099px){.pa-body{flex-direction:column}.pa-nav{display:none}.pa-panel-mobile{width:auto;max-width:none;border-right:0;border-top:2px solid var(--rule);flex:none;max-height:40%}.pa-panel-mobile .pa-panel-head{min-height:52px;padding:4px 10px;gap:8px}.pa-panel-mobile .pa-panel-toggle,.pa-panel-mobile .pa-lang-btn,.pa-panel-mobile .pa-btn-icon{min-height:44px}}.pa-promo{display:flex;flex-direction:column;gap:4px;padding:10px;background:var(--sideact);border-left:3px solid var(--accent)}.pa-promo strong{font-weight:800}.pa-link{align-self:flex-start;font-size:12px;text-decoration:underline;color:var(--ink)}#co-tuong-ai-root square.last-move{background-color:#e9b83e6b;box-shadow:inset 0 0 0 2px #a9772480}.pa-thinking{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;pointer-events:none;z-index:30}.pa-thinking-chip{display:inline-flex;align-items:center;gap:9px;padding:8px 16px;background:var(--ink);color:var(--app);font-size:13px;font-weight:700;box-shadow:0 6px 20px #2a231857}.pa-cham{display:inline-flex;gap:3px;align-items:center}.pa-cham i{width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.32;animation:pa-cham-nghi 1.05s ease-in-out infinite}.pa-cham i:nth-child(2){animation-delay:.16s}.pa-cham i:nth-child(3){animation-delay:.32s}@keyframes pa-cham-nghi{0%,70%,to{opacity:.32}35%{opacity:1}}@media (prefers-reduced-motion: reduce){.pa-cham i{animation:none;opacity:.75}}html,body{margin:0;padding:0;overscroll-behavior-y:none}.pa-info{background:var(--app);color:var(--ink);font-family:var(--font);line-height:1.65;border-top:2px solid var(--rule)}.pa-info-in{max-width:820px;margin:0 auto;padding:28px 20px 56px}.pa-info h1{margin:0 0 14px;font-size:26px;line-height:1.25}.pa-info h2{margin:28px 0 8px;font-size:18px;line-height:1.35}.pa-info h3{margin:16px 0 4px;font-size:14px;line-height:1.4}.pa-info p{margin:0 0 10px}.pa-info a{color:var(--accent-dark);font-weight:700}#co-tuong-ai-root .pa-notice{color:var(--err);font-weight:700}#co-tuong-ai-root .pa-rules{margin:8px 0 0;padding-left:18px;font-size:13px;line-height:1.5}#co-tuong-ai-root .pa-rules li+li{margin-top:6px}.pa-feedback{margin-left:auto;flex:none;display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 12px;border:1px solid var(--line);background:var(--panel);color:var(--ink);font-size:12.5px;font-weight:700;white-space:nowrap;cursor:pointer}.pa-feedback:hover{background:var(--chip)}.pa-feedback svg{width:16px;height:16px;flex:none}@media (max-width: 767px){.pa-feedback{min-height:44px;min-width:44px;padding:0 10px}}.pa-cot-trai{width:260px;max-width:25%;flex:none;display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--line);background:var(--panel)}.pa-cot-trai>.pa-panel{width:auto;max-width:none;flex:1;min-height:0;border-right:0}.pa-cot-trai .pa-strip{padding:8px 10px;gap:6px 8px}.pa-cot-trai .pa-actions{display:grid;grid-template-columns:1fr 1fr}.pa-cot-trai .pa-actions .pa-act{flex-direction:row;justify-content:flex-start;gap:8px;min-width:0;height:38px;padding:0 12px;border-left:0;border-top:1px solid var(--line)}.pa-cot-trai .pa-actions .pa-act:nth-child(2n){border-left:1px solid var(--line)}.pa-cot-trai .pa-actions .pa-act:nth-child(-n+2){border-top:0}.pa-cot-trai .pa-actions .pa-resign-bar{grid-column:1 / -1;margin-left:0;border-left:0;justify-content:center}[data-feedback-box]{--fb-header-h: 48px}@media (max-width: 767px){[data-feedback-box]{--fb-header-h: 52px}}[data-feedback-box],[data-feedback-box] *{box-sizing:border-box;border-radius:0}[data-feedback-box] button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}[data-feedback-box] button:disabled{opacity:.4;cursor:not-allowed}[data-feedback-box] input,[data-feedback-box] select,[data-feedback-box] textarea{font:inherit;color:inherit}:is(#phan-tich-feedback,[data-feedback-box]) .feedback-modal-backdrop{position:fixed;inset:var(--pt-header-h, var(--fb-header-h)) 0 0 0;z-index:200;display:flex;align-items:center;justify-content:center;padding:16px;background:#2a231866}:is(#phan-tich-feedback,[data-feedback-box]) .feedback-modal-backdrop[hidden]{display:none!important}:is(#phan-tich-feedback,[data-feedback-box]) .feedback-modal{width:min(520px,100%);max-height:calc(100vh - var(--pt-header-h, var(--fb-header-h)) - 32px);overflow:auto;background:var(--panel);border:2px solid var(--rule);color:var(--ink);font-family:var(--font);font-size:13px}:is(#phan-tich-feedback,[data-feedback-box]) .feedback-modal-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;background:var(--phead);border-bottom:2px solid var(--rule)}:is(#phan-tich-feedback,[data-feedback-box]) .feedback-modal-header h3{margin:0;font-size:13px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}:is(#phan-tich-feedback,[data-feedback-box]) .feedback-form{display:flex;flex-direction:column;gap:10px;padding:14px}:is(#phan-tich-feedback,[data-feedback-box]) [hidden]{display:none!important}:is(#phan-tich-feedback,[data-feedback-box]) .feedback-form label{display:flex;flex-direction:column;gap:5px;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}:is(#phan-tich-feedback,[data-feedback-box]) .feedback-form textarea,:is(#phan-tich-feedback,[data-feedback-box]) .feedback-form input,:is(#phan-tich-feedback,[data-feedback-box]) .feedback-form select{width:100%;padding:8px 9px;background:var(--field);border:1px solid var(--rule);font-size:13px;font-weight:400;letter-spacing:normal;text-transform:none;color:var(--ink)}:is(#phan-tich-feedback,[data-feedback-box]) .feedback-form-actions{display:flex;justify-content:flex-end;gap:8px}:is(#phan-tich-feedback,[data-feedback-box]) .feedback-form-actions button{padding:7px 16px;font-size:12px;font-weight:800;border:2px solid var(--rule)}:is(#phan-tich-feedback,[data-feedback-box]) .feedback-form-actions button[type=submit]{background:var(--accent);color:var(--oninv);border-color:var(--accent)}:is(#phan-tich-feedback,[data-feedback-box]) .feedback-modal-status{margin:0;font-size:12px;color:var(--muted)}@media (max-width: 767px){:is(#phan-tich-feedback,[data-feedback-box]) .feedback-form-actions button,:is(#phan-tich-feedback,[data-feedback-box]) .feedback-modal-header button{min-height:44px;min-width:44px}}
