*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;overflow:hidden}body{font-family:system-ui,sans-serif;background:#0b0c0d;color:#fff;display:flex;flex-direction:column;align-items:center;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.game-header,.game-footer{width:100%;max-width:520px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0;background:#121416;border-color:#292b2d}.game-header{min-height:52px;padding:8px 12px;border-bottom:1px solid #292b2d}.game-header a,.game-footer a{color:#a7aaa5;text-decoration:none;font-size:12px;font-weight:650}.game-title{font-size:14px;font-weight:760;letter-spacing:.08em;text-transform:uppercase}.game-controls{display:flex;gap:8px}.btn-icon{width:34px;height:34px;border:1px solid #36393a;border-radius:0;color:#fff;background:#1c1f20;cursor:pointer}.canvas-wrapper{width:100%;max-width:520px;min-height:0;flex:1;display:flex;align-items:stretch;position:relative;overflow:hidden;background:#101216}#gameCanvas{display:block;width:100%;height:100%;cursor:crosshair;touch-action:none}.game-footer{min-height:36px;padding:6px 12px;justify-content:center;border-top:1px solid #292b2d}.how-to-play{position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center;padding:20px;background:#000000e0}.how-to-play.active{display:flex}.how-to-play-box{width:100%;max-width:340px;padding:24px;border:1px solid #44484a;background:#151719}.how-to-play-box h2{margin-bottom:16px;color:#d7ff58;font-size:22px}.how-to-play-box ol{padding-left:20px;font-size:14px;line-height:1.9}.btn-close-htp{display:block;width:100%;margin-top:20px;padding:12px;border:0;color:#0b0c0d;background:#d7ff58;font:700 14px system-ui;cursor:pointer}#game-loader{position:fixed;inset:0;z-index:999;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0f0f1a;transition:opacity .3s ease}#game-loader.hidden{visibility:hidden;opacity:0;pointer-events:none}#game-loader svg{animation:spin 1s linear infinite}.loader-label{margin-top:16px;color:#999;font-size:12px;letter-spacing:.12em;text-transform:uppercase}@keyframes spin{to{transform:rotate(360deg)}}