/* Shared look (home, library, settings, placeholders): neutral warm grey, white cards, board-wood accent.
 * Light is the default; :root[data-theme=dark] is an opt-in. The replay page (game.css) has its own layout. */
:root{color-scheme:light;--bg:#ECEDEB;--card:#fff;--card2:#F4F5F3;--bd:#DCDED9;--fg:#20231F;--mut:#72766F;
  --ac:#9a6a2f;--ac-fg:#fff;--ac-soft:#EFE5D3;--up:#2f9a8b;--up-t:#1f7468;--down:#cf5a52;--down-t:#b5413b;
  --grid:rgba(32,35,31,.035);--radius:12px;--shadow:0 1px 2px rgba(32,35,31,.06);--sbw:232px;--bbh:60px}
:root[data-theme=dark]{color-scheme:dark;--bg:#111310;--card:#191c17;--card2:#1f231c;--bd:#2d3229;--fg:#ebe5d3;--mut:#908c79;
  --ac:#d2a85f;--ac-fg:#17130a;--ac-soft:#2b2619;--up:#4fb3a4;--up-t:#4fb3a4;--down:#df7a72;--down-t:#df7a72;
  --grid:rgba(210,168,95,.045);--shadow:none}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;color:var(--fg);font:15px/1.45 system-ui,"Noto Sans CJK SC",sans-serif;background-color:var(--bg);
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:44px 44px}
a{color:var(--ac);text-decoration:none}
.page{max-width:1180px;margin:0 auto;padding:20px 16px 40px;display:flex;flex-direction:column;gap:24px}
.phead{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:10px 16px}
.phead h1{margin:0;font-size:24px;line-height:1.25}.phead p{margin:4px 0 0;color:var(--mut)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:10px;border:1px solid var(--ac);
  background:var(--ac);color:var(--ac-fg);font:600 15px/1 system-ui,sans-serif;cursor:pointer}
.btn.ghost{background:transparent;color:var(--ac)}
.btn[aria-disabled=true],.btn:disabled{opacity:.45;pointer-events:none}
.badge{font-size:12px;padding:1px 8px;border-radius:10px;border:1px solid var(--bd);color:var(--mut);background:var(--card)}
.tag{font-size:12px;padding:1px 9px;border-radius:12px;border:1px solid var(--ac);color:var(--ac);font-weight:500}
.card{background:var(--card);border:1px solid var(--bd);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px}
.card h2{margin:0 0 4px;font-size:17px}.card p{margin:6px 0;color:var(--mut)}
.field{display:flex;flex-direction:column;gap:4px;margin:12px 0;color:var(--mut);font-size:13px}
.field input,.field select,.btn2{min-height:44px;padding:0 12px;border:1px solid var(--bd);border-radius:8px;background:var(--card);color:var(--fg);font:inherit}
.frow{display:flex;gap:8px}.frow input{flex:1;min-width:0;min-height:44px;padding:0 12px;border:1px solid var(--bd);border-radius:8px;background:var(--card);color:var(--fg);font:inherit}
.btn2{cursor:pointer}.btn2.danger{color:var(--down-t)}
.btn2:disabled,.field input:disabled{opacity:.5}
#igs p:empty,#ogs p:empty{display:none}
.note{margin:6px 0 0;color:var(--mut);font-size:12px;min-height:1em}