.frontier-panel{padding:14px;margin:14px 0;border:1px solid #b3ac85;border-radius:9px;background:#f1ead3;color:#3d3729}.frontier-panel[hidden],.frontier-placement[hidden],.frontier-underground[hidden]{display:none!important}.frontier-panel h3{margin:0 0 12px}.frontier-panel p{color:#514735;line-height:1.7;white-space:pre-line}.frontier-panel button{min-height:44px;margin:5px 5px 5px 0;color:#3b432e;background:#e2dfbd;border:1px solid #aaa17a;padding:9px 12px}.frontier-panel select{max-width:100%;min-height:42px;background:#fff9e9;color:#403b2d}.frontier-card{padding:12px 0;border-top:1px solid #c8bea0}.frontier-stock{font-size:13px}.frontier-check{display:flex;gap:10px;align-items:center;padding:8px 0}.frontier-check input{width:20px;height:20px}.frontier-placement{padding:14px;margin:10px;background:#e0e9c4;color:#34412d;border-radius:8px}.frontier-placement p{color:inherit}.frontier-placement button{margin:4px;min-height:44px}.frontier-underground{position:fixed;inset:0;z-index:180;padding:max(10px,env(safe-area-inset-top)) 12px max(12px,env(safe-area-inset-bottom));overflow:auto;background:#142026;color:#eadfc0;overscroll-behavior:contain}.frontier-underground header{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:900px;margin:auto}.frontier-underground h2{font-size:20px}.frontier-toolbar{display:flex;flex-wrap:wrap;gap:6px;max-width:900px;margin:8px auto}.frontier-toolbar select,.frontier-toolbar button,.frontier-underground button{min-height:44px;max-width:100%;background:#ddd5b9;color:#34372d;padding:8px;border:1px solid #a7a28a;border-radius:5px}.frontier-underground canvas{display:block;width:min(100%,900px);height:auto;aspect-ratio:4/3;margin:12px auto;image-rendering:pixelated;touch-action:none;border:1px solid #686650;border-radius:5px}.frontier-map-hint{max-width:900px;margin:10px auto;line-height:1.7;color:#ddd3b6}.frontier-map-hint button{margin:4px}.frontier-map-open{overflow:hidden}@media(max-width:500px){.frontier-toolbar select{max-width:48%;font-size:13px}.frontier-panel{padding:12px}.frontier-underground{padding-inline:8px}.frontier-map-hint{font-size:13px}}