:root{--bg:#1f1d1a;--surface:#2a2724;--border:#3d3934;--text:#ece8e1;--muted:#a39d93;--accent:#7fa650;--warn:#e0a84a;--error:#e06b5b;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}html{font-size:clamp(15px,.35vw + 10px,24px)}body{background:var(--bg);color:var(--text);margin:0}.toolbar{background:var(--surface);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:end;gap:12px 20px;padding:12px 20px;display:flex}.toolbar h1{align-self:center;margin:0 12px 0 0;font-size:1.25rem}.toolbar label{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;flex-direction:column;gap:4px;font-size:.75rem;display:flex}select,button{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:6px 10px;font-size:.95rem}button{background:var(--accent);border-color:var(--accent);color:#13200a;cursor:pointer;font-weight:600}button.secondary{background:var(--bg);border-color:var(--border);color:var(--text);font-weight:400}.app{flex-direction:column;height:100dvh;display:flex}.layout{--panel-width:clamp(280px, 24vw, 600px);--gap:clamp(16px, 1.5vw, 32px);--nav-height:3rem;justify-content:center;align-items:flex-start;gap:var(--gap);min-height:0;padding:var(--gap);flex:1;display:flex;container-type:size}.board{width:min(100cqh - var(--nav-height), 100cqw - var(--panel-width) - var(--gap));flex:none}.board-square{aspect-ratio:1}.history-nav{height:var(--nav-height);justify-content:center;gap:8px;padding-top:.5rem;display:flex}.history-nav button{justify-content:center;align-items:center;width:3.5rem;padding:0;display:flex}button:disabled{opacity:.4;cursor:default}.note.viewing{color:var(--warn)}.panel{width:var(--panel-width);flex-direction:column;gap:20px;max-height:100cqh;display:flex}.log-section{flex-direction:column;flex:1;min-height:0;display:flex}.panel h2{margin:0 0 8px;font-size:1rem}.panel h2 small{color:var(--muted);margin-left:6px;font-weight:400}.status{font-size:1.1rem;font-weight:600}.status.over{color:var(--warn)}.bot{margin-top:10px}.badge{background:var(--border);border-radius:999px;padding:2px 8px;font-size:.8rem;font-weight:600;display:inline-block}.badge.book{background:#3f5f2a}.badge.transposition{background:#6a5424}.badge.explorer{background:#294a66}.badge.engine{background:#56305a}.note{color:var(--muted);margin:6px 0 0;font-size:.85rem}.error{color:var(--error)}.muted{color:var(--muted)}.moves{font-variant-numeric:tabular-nums;min-height:0;margin:0;padding:0;list-style:none;position:relative;overflow-y:auto}.moves li{grid-template-columns:2.5em 1fr 1fr;gap:8px;padding:2px 0;display:grid}.moves .num{color:var(--muted)}.moves .move{justify-self:start}.moves .move.on-line{color:var(--accent);font-weight:600}.moves .move.current{background:var(--border);border-radius:4px;margin:-1px -4px;padding:1px 4px}.moves .move.upcoming{color:var(--muted);opacity:.6}.moves .annotation{color:var(--muted);margin-left:6px;font-size:.75rem}@media (width<=600px),(width<=900px) and (aspect-ratio<=1){.app{height:auto}.toolbar{gap:8px 12px;padding:10px 16px}.toolbar h1{width:100%}.toolbar label{flex:140px}.toolbar button{flex:auto;min-height:44px}.layout{flex-direction:column;align-items:stretch;gap:16px;padding:12px 16px 24px;container-type:normal}.board{width:100%;max-width:calc(100dvh - 9rem);margin:0 auto}.history-nav{height:auto;padding-top:10px}.history-nav button{flex:1;max-width:5rem;min-height:44px}.panel{width:100%;max-height:none}.moves{max-height:50vh}}