/* Pre-game lightbox: unclosable modal gate on load. Login required (your
   account holds book/elo/gold/dust), then pick mode / opponent / book.
   Parchment-on-wood to match the game frame. ASCII only. */
#lobbyRoot:empty{display:none}
.lb-veil{position:fixed;inset:0;z-index:100;background:rgba(6,5,3,.82);
  display:flex;align-items:center;justify-content:center;
  font-family:"Trebuchet MS","Segoe UI",system-ui,sans-serif}
.lb-card{width:min(680px,94vw);max-height:92vh;overflow:auto;color:#2a1d0c;
  background:radial-gradient(circle at 50% 0,rgba(255,240,200,.5),transparent 60%),
    linear-gradient(160deg,#efe2bf 0%,#e2cfa0 45%,#d3b97f 100%);
  border:3px solid #6a4a1e;border-radius:14px;
  box-shadow:0 24px 60px rgba(0,0,0,.7),inset 0 0 40px rgba(120,80,30,.35);
  padding:22px 26px 26px}
.lb-h{text-align:center;font-family:Georgia,"Times New Roman",serif;font-weight:900;
  font-size:30px;color:#5a2a10;text-shadow:0 1px 0 rgba(255,255,255,.5);margin:2px 0 2px}
.lb-sub{text-align:center;font-size:13px;color:#6a4a22;margin-bottom:16px}
.lb-sec{margin:14px 0 6px;font-weight:800;font-size:12px;letter-spacing:1px;
  text-transform:uppercase;color:#7a4a1e;border-bottom:1px solid rgba(120,80,30,.35);padding-bottom:3px}
.lb-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.lb-grid.three{grid-template-columns:repeat(3,1fr)}
.lb-opt{border:2px solid #9a7038;border-radius:9px;background:rgba(255,255,255,.28);
  padding:9px 11px;cursor:pointer;text-align:left;transition:transform .1s,box-shadow .1s,background .1s}
.lb-opt:hover{transform:translateY(-2px);box-shadow:0 6px 14px rgba(0,0,0,.25)}
.lb-opt.sel{background:#5a2a10;color:#f3e4c2;border-color:#3a1a08;box-shadow:0 4px 12px rgba(0,0,0,.4)}
.lb-opt .t{display:block;font-weight:800;font-size:15px;line-height:1.15}
.lb-opt .d{display:block;font-size:11px;opacity:.85;margin-top:3px;line-height:1.25}
.lb-opt[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.lb-book{display:flex;align-items:center;gap:10px;margin-top:6px}
.lb-book select{flex:1;font:inherit;font-size:15px;padding:8px 10px;border-radius:8px;
  border:2px solid #9a7038;background:#fbf3df;color:#2a1d0c;font-weight:700}
.lb-bookval{font-size:12px;color:#6a4a22;min-width:120px;text-align:right}
.lb-foot{display:flex;align-items:center;gap:12px;margin-top:20px}
.lb-play{flex:1;background:linear-gradient(#e7b94a,#b9842a);color:#2a1606;border:2px solid #7a4a14;
  border-radius:10px;padding:13px;font-weight:900;font-size:18px;letter-spacing:.5px;cursor:pointer;
  text-shadow:0 1px 0 rgba(255,255,255,.4)}
.lb-play:hover{filter:brightness(1.06)} .lb-play:disabled{opacity:.5;cursor:not-allowed;filter:none}
.lb-note{font-size:12px;color:#7a4a1e}
.lb-login{text-align:center}
.lb-login .lb-play{display:inline-block;flex:none;padding:13px 40px;margin-top:8px;text-decoration:none}
.lb-secondary{display:inline-block;margin-top:12px;font-size:13px;color:#6a4a22}
.lb-secondary a{color:#5a2a10;font-weight:800}
/* waiting-for-opponent overlay */
.lb-wait{position:fixed;inset:0;z-index:100;background:rgba(6,5,3,.78);color:#f0e3c4;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  font-family:"Trebuchet MS","Segoe UI",sans-serif}
.lb-wait .sp{width:54px;height:54px;border:5px solid rgba(202,161,74,.3);border-top-color:#caa14a;
  border-radius:50%;animation:lbspin 1s linear infinite}
@keyframes lbspin{to{transform:rotate(360deg)}}
.lb-wait .msg{font-size:20px;font-weight:800;color:#caa14a}
.lb-wait .sub{font-size:13px;opacity:.8}
.lb-wait button{margin-top:6px;background:#241f18;color:#e9e0c8;border:1px solid #5a4a2c;
  border-radius:8px;padding:8px 18px;font:inherit;font-weight:700;cursor:pointer}