:root{color:#e8eef6;background-color:#05070c;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh}#root{min-height:100vh;width:100vw}.app-shell{position:relative;min-height:100vh;width:100vw;overflow:hidden}.webgl-canvas{width:100%;height:100vh;display:block;background:transparent}.hud{position:absolute;top:1.5rem;left:1.5rem;padding:.75rem 1rem;background:#05070ccc;border:1px solid rgba(255,255,255,.05);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:12px;box-shadow:0 10px 40px #00000073}.hud h1{margin:0 0 .25rem;font-size:1.1rem;letter-spacing:.01em}.hud p{margin:0;color:#a9b6c6;font-size:.9rem}.debug-menu{margin-top:.5rem;display:flex;flex-direction:column;gap:.25rem}.debug-row{display:flex;align-items:center;gap:.5rem}.debug-row button{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);color:#e8eef6;padding:.25rem .6rem;border-radius:6px;cursor:pointer;transition:background .2s,border-color .2s}.debug-row button.active{background:#50a0ff33;border-color:#50a0ff99}.debug-row button:hover{background:#ffffff1a}