*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}#boot-scene{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:#0d0d1a;display:flex;justify-content:center;align-items:center;transition:opacity .35s ease}#boot-scene.boot-done{opacity:0;pointer-events:none}#boot-track{width:220px;height:3px;background:#ffffff1a;border-radius:2px;overflow:hidden}#boot-fill{height:100%;width:0%;background:#fff;border-radius:2px;transition:width .18s ease}#app{transition:opacity .25s ease}body{background:#1a1a2e;color:#eee;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;display:flex;justify-content:center;align-items:center;min-height:100vh}#app{position:relative;display:flex;flex-direction:column;align-items:center;gap:16px}#canvas-container{position:relative;border:2px solid #444;border-radius:4px;overflow:hidden;background:#0d0d1a}#canvas-container canvas{display:block}#hud{position:absolute;top:8px;left:8px;z-index:10;display:flex;flex-direction:column;gap:4px;background:#0000008c;border:1px solid rgba(255,255,255,.1);border-radius:6px;padding:8px 12px;pointer-events:none}.hud-item{display:flex;align-items:baseline;gap:6px;font-size:14px}.hud-label{color:#aaa;font-size:12px;text-transform:uppercase;letter-spacing:.05em}#hud-count,#hud-area{font-weight:700;font-size:16px;color:#fff;min-width:50px}.hud-unit{font-size:11px;color:#888}#controls{display:flex;gap:24px;background:#00000080;border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:12px 20px}.control-group{display:flex;flex-direction:column;align-items:center;gap:8px}.control-label{font-size:12px;color:#aaa;text-transform:uppercase;letter-spacing:.08em}.control-row{display:flex;align-items:center;gap:8px}.ctrl-btn{width:32px;height:32px;border:1px solid #555;border-radius:6px;background:#2a2a3e;color:#eee;font-size:18px;line-height:1;cursor:pointer;transition:background .15s}.ctrl-btn:hover{background:#3a3a5e}.ctrl-btn:active{background:#5a5a8e}#spawn-value,#gravity-value{font-size:20px;font-weight:700;min-width:36px;text-align:center;color:#fff}.ctrl-unit{font-size:12px;color:#888}