*{box-sizing:border-box}html,body{margin:0;height:100%;background:#181a20;color:#ebebf5;font-family:Consolas,Courier New,monospace;overflow:hidden}#app{position:relative;width:100vw;height:100vh;display:flex;align-items:center;justify-content:center}#board{display:block;aspect-ratio:800 / 840;width:min(100vw,calc(100vh * 800 / 840));height:auto;touch-action:none;-webkit-user-select:none;user-select:none}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#181a20eb;overflow-y:auto}.overlay.hidden{display:none}.panel{width:min(640px,94vw);text-align:center;padding:16px;margin:auto}h1{font-size:clamp(28px,6vw,44px);margin:0 0 8px}h2{font-size:20px;font-weight:400;color:#c8cdd7;margin:24px 0 10px;text-align:left}h2.disabled{color:#6e6e73}.sub,.hint{color:#8c919b;font-size:15px;margin:6px 0}.row{display:flex;gap:14px;justify-content:center}.row button{flex:1}.stepper button{flex:0 0 56px}.stepper span{min-width:80px;font-size:24px;align-self:center}button{font:inherit;font-size:20px;color:#f5f5f5;background:#34373f;border:2px solid #121317;border-radius:8px;padding:14px 10px;cursor:pointer}button:hover:not(:disabled){background:#50545e}button.active{background:#4678b4}button:disabled{color:#6e6e73;cursor:default}#opp-online{background:#26282e;cursor:not-allowed}button small{display:block;font-size:12px;margin-top:2px;font-style:italic}#hp-settings{margin-top:24px;text-align:left}#hp-settings summary{font-size:20px;color:#c8cdd7;cursor:pointer}.hp-grid{display:grid;grid-template-columns:1fr 140px;gap:8px 14px;align-items:center;margin:12px 0;font-size:18px}.hp-grid input{font:inherit;color:#f5f5f5;background:#34373f;border:2px solid #121317;border-radius:8px;padding:8px 10px;width:100%;text-align:right}#hp-reset{width:100%;font-size:16px;padding:10px}button.primary{margin-top:32px;padding:16px 48px;font-size:24px}