:root{color-scheme:dark;--bg: #1a1f1c;--bg-panel: #242b27;--text: #e8efe9;--muted: #9aab9e;--accent: #c4a35a;--accent-hover: #d4b56a;--border: #3a4540;font-family:Segoe UI,system-ui,sans-serif;line-height:1.45;background:radial-gradient(ellipse at top,#2a332e 0%,var(--bg) 55%);color:var(--text);min-height:100%}*{box-sizing:border-box}body{margin:0;min-height:100vh}.app{max-width:1100px;margin:0 auto;padding:2rem 1.25rem 3rem}.header{margin-bottom:1.75rem}.header h1{margin:0 0 .25rem;font-size:1.85rem;font-weight:650;letter-spacing:-.02em}.header p{margin:0;color:var(--muted)}.main{display:grid;grid-template-columns:minmax(0,560px) minmax(240px,1fr);gap:1.75rem;align-items:start}.board-wrap{width:100%;max-width:560px}.panel{background:var(--bg-panel);border:1px solid var(--border);border-radius:8px;padding:1.25rem;display:flex;flex-direction:column;gap:1rem}.stat{display:flex;flex-direction:column;gap:.15rem}.label{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.value{font-size:1.05rem}.actions{display:flex;gap:.6rem;flex-wrap:wrap}button{appearance:none;border:none;border-radius:6px;padding:.55rem 1rem;font:inherit;font-weight:600;cursor:pointer;background:var(--accent);color:#1a1510}button:hover:not(:disabled){background:var(--accent-hover)}button:disabled{opacity:.45;cursor:not-allowed}button.secondary{background:transparent;color:var(--text);border:1px solid var(--border)}button.secondary:hover:not(:disabled){border-color:var(--muted)}.pgn{margin:0;padding:.85rem;background:#151a17;border-radius:6px;border:1px solid var(--border);font-size:.8rem;white-space:pre-wrap;word-break:break-word;max-height:280px;overflow:auto;color:var(--muted)}@media(max-width:800px){.main{grid-template-columns:1fr}.board-wrap{max-width:100%;margin:0 auto}}