.lgaiusa-wrap{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial,sans-serif;max-width:980px;margin:16px auto;padding:8px}
.lgaiusa-card{background:#0f1220;border:1px solid #23284a;border-radius:16px;padding:20px;color:#e6e8ff;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.lgaiusa-card h2{margin:0 0 4px 0;font-size:22px}
.lgaiusa-sub{opacity:.8;margin-top:0}
.lgaiusa-grid{display:grid;grid-template-columns:1fr 1fr 120px 160px auto;gap:12px;align-items:end;margin:16px 0}
.lgaiusa-grid label{display:flex;flex-direction:column;font-size:14px}
.lgaiusa-grid span{opacity:.85;margin-bottom:6px}
.lgaiusa-grid input,.lgaiusa-grid select{border:1px solid #2b3261;background:#0b0e1a;color:#fff;padding:10px;border-radius:10px}
.lgaiusa-ai-toggle{display:flex;flex-direction:column}
.lgaiusa-btn{background:#5865f2;border:0;color:white;padding:10px 16px;border-radius:12px;cursor:pointer;transition:transform .05s ease,box-shadow .2s ease;box-shadow:0 8px 18px rgba(88,101,242,.25)}
.lgaiusa-btn.secondary{background:#2f354f}
.lgaiusa-btn:disabled{opacity:.6;cursor:not-allowed}
.lgaiusa-btn:hover{transform:translateY(-1px)}
.lgaiusa-results{margin-top:12px}
.lgaiusa-line{display:flex;gap:12px;align-items:center;background:#0b0e1a;border:1px solid #272f59;border-radius:12px;padding:10px;margin:8px 0;flex-wrap:wrap}
.lgaiusa-line-index{width:36px;height:36px;border-radius:9px;background:#1b2144;display:flex;align-items:center;justify-content:center;font-weight:700;flex:0 0 36px}
.lgaiusa-line-balls{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.lgaiusa-balls-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.lgaiusa-group-label{font-size:12px;opacity:.8;margin-right:4px}
.lgaiusa-balls-plus{font-weight:700;opacity:.9;margin:0 6px}
.lgaiusa-ball{width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:800;border:2px solid rgba(255,255,255,.16);text-shadow:0 1px 0 rgba(0,0,0,.35);box-shadow:inset 0 6px 10px rgba(0,0,0,.35), 0 6px 12px rgba(0,0,0,.25)}
.lgaiusa-ball.main{background:radial-gradient(circle at 30% 25%, #ffd86b, #ffb200 60%, #c28000)}
.lgaiusa-ball.extra{background:radial-gradient(circle at 30% 25%, #9cd1ff, #409cff 60%, #1b5fbf)}
.lgaiusa-ball.red{background:radial-gradient(circle at 30% 25%, #ff9e9e, #ff4040 60%, #b80000)}
.lgaiusa-ball.white{background:radial-gradient(circle at 30% 25%, #ffffff, #e7eef9 60%, #c9d4ea); color:#0b0e1a}
.lgaiusa-explain{margin-top:18px}
.lgaiusa-explain h3{margin:0 0 6px 0;font-size:16px}
.lgaiusa-explain-body{background:#0b0e1a;border:1px solid #272f59;border-radius:10px;padding:12px;opacity:.95}
.lgaiusa-ai-report{margin-top:14px}
.lgaiusa-ai-table{display:grid;grid-template-columns:130px 1fr 90px;gap:6px;margin-top:8px}
.lgaiusa-ai-row{display:contents}
.lgaiusa-ai-row .mtd,.lgaiusa-ai-row .set,.lgaiusa-ai-row .score{background:#0b0e1a;border:1px solid #272f59;border-radius:8px;padding:6px}
.lgaiusa-history summary{cursor:pointer;margin:8px 0}
.lgaiusa-history textarea{width:100%;border:1px solid #2b3261;background:#0b0e1a;color:#fff;padding:10px;border-radius:10px;margin-top:8px}
.lgaiusa-help{font-size:12px;opacity:.8}
.lgaiusa-cache-info{display:flex;align-items:center;gap:12px;margin:10px 0}
.lgaiusa-footnote{font-size:12px;opacity:.75;text-align:center;margin-top:10px}
@media (max-width:780px){.lgaiusa-grid{grid-template-columns:1fr 1fr 1fr 1fr;}.lgaiusa-btn{grid-column:1 / -1}}