[data-world-chess]{--gold:#e9c77e;background:#0b192b;color:#eff3f9;font:15px/1.5 system-ui,sans-serif;border:1px solid #43516a;border-radius:16px;overflow:hidden;max-width:1400px;margin:auto;color-scheme:dark;text-align:left}[data-world-chess] *{box-sizing:border-box}[data-world-chess] [hidden]{display:none!important}[data-world-chess] h2,[data-world-chess] h3,[data-world-chess] p{color:inherit;margin:0 0 12px}[data-world-chess] h2{font:600 clamp(23px,3vw,34px) Georgia,serif}[data-world-chess] h3{font:600 23px Georgia,serif}[data-world-chess] button,[data-world-chess] select{background:#20344d;color:#fff;border:1px solid #5b6b81;border-radius:8px;font:600 14px system-ui;min-height:44px;padding:10px 14px;cursor:pointer}[data-world-chess] button:hover{border-color:var(--gold)}[data-world-chess] button:focus-visible{outline:3px solid #fff;outline-offset:-3px}[data-world-chess] button:disabled{opacity:.4;cursor:not-allowed}.tc-head{display:flex;align-items:center;justify-content:space-between;padding:22px 24px;border-bottom:1px solid #30435c}.tc-head small{letter-spacing:2px;color:var(--gold)}.tc-head p{font-size:13px;color:#bbc8da!important;margin-bottom:0!important}.tc-options{display:flex;gap:12px;align-items:end;padding:16px 24px;flex-wrap:wrap;background:#13253b}.tc-options label{display:grid;gap:4px;font-size:12px}.tc-options [data-c=new]{background:var(--gold);color:#102039}.tc-layout{display:grid;grid-template-columns:minmax(0,3fr) minmax(240px,1fr)}.tc-layout aside{padding:24px;background:#12243a;border-left:1px solid #30435c}.tc-layout aside p{font-size:14px}.tc-layout aside details{margin:20px 0}.tc-layout summary{cursor:pointer;color:var(--gold);margin-bottom:12px}.tc-status{padding:14px 20px;font-weight:700;color:var(--gold);font-size:20px;min-height:58px}.tc-3d{height:580px;width:100%;background:#081525}.tc-3d canvas{display:block;touch-action:none}.tc-flat{display:grid;grid-template-columns:repeat(8,1fr);width:min(100%,600px);margin:0 auto;border:5px solid #725b33;aspect-ratio:1}.tc-flat button{position:relative;aspect-ratio:1;min-height:0!important;padding:0!important;border:0!important;border-radius:0!important;font-family:Georgia,'Times New Roman',serif!important;font-size:clamp(26px,4.4vw,55px)!important;display:grid;place-items:center;line-height:1}.tc-flat button.light{background:#e9d6ad}.tc-flat button.dark{background:#496179}.tc-flat button.selected{background:#dfb94f}.tc-flat button.legal{box-shadow:inset 0 0 0 5px #47a987}.tc-flat button.legal:after{content:'';position:absolute;width:18%;height:18%;border-radius:50%;background:#25965f;opacity:.7}.tc-flat button.last{background:#a5a17e}.tc-flat button.selected{background:#dfb94f}.tc-flat .w{color:#fff6d9;text-shadow:0 1px 1px #000,1px 0 1px #000,-1px 0 1px #000}.tc-flat .b{color:#102239;text-shadow:0 1px 1px #ced8e7}.tc-flat small{position:absolute;bottom:3px;left:3px;font:9px system-ui;color:#152234}.tc-tools{display:flex;flex-wrap:wrap;gap:7px;padding:16px 20px 8px}.tc-help{padding:0 20px;font-size:13px;color:#b7c9df!important}.tc-history{white-space:pre-wrap;font:15px/1.8 ui-monospace,monospace;max-height:270px;overflow:auto;background:#091727;padding:14px;border-radius:8px}.tc-save{font-size:12px!important;margin-top:14px!important;color:#9eb4cd!important}.tc-confirm,.tc-promotion{padding:18px;background:#473a23;display:flex;align-items:center;gap:10px;flex-wrap:wrap}[data-world-chess]:fullscreen{overflow:auto;max-width:none;width:100%;border-radius:0}@media(max-width:760px){.tc-layout{grid-template-columns:1fr}.tc-layout aside{border-left:0;border-top:1px solid #30435c}.tc-head{padding:16px;gap:10px}.tc-options{padding:12px;gap:8px}.tc-options label{flex:1;min-width:130px}.tc-options select{width:100%}.tc-3d{height:430px}.tc-flat button{font-size:clamp(28px,8vw,52px)!important}.tc-status{font-size:17px}.tc-tools{padding:12px;gap:6px}.tc-tools button{padding:9px;font-size:12px}.tc-head h2{font-size:24px!important}}