:root{--primary-color:#00f0ff;--secondary-color:#ff0055;--hud-bg:rgba(0, 10, 20, 0.6);--font-heading:'Orbitron',sans-serif;--font-body:'Exo 2',sans-serif}*{margin:0;padding:0;box-sizing:border-box;user-select:none}body{background-color:#000;overflow:hidden;color:var(--primary-color);font-family:var(--font-body)}#game-container{position:relative;width:100vw;height:100vh}canvas{display:block}#ui-overlay{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;padding:20px}.hud-item{font-family:var(--font-heading);font-weight:700;font-size:1.2rem;color:var(--primary-color);text-shadow:0 0 10px var(--primary-color);margin-bottom:10px;background:var(--hud-bg);padding:10px 15px;border-left:2px solid var(--primary-color);display:table;backdrop-filter:blur(2px)}#hud-top-left{position:absolute;top:20px;right:20px;text-align:right}#hud-top-left .hud-item{border-left:none;border-right:2px solid var(--primary-color);float:right;clear:both}#game-title{position:absolute;top:20px;left:20px;font-family:var(--font-heading);color:var(--primary-color);text-shadow:0 0 10px var(--primary-color);z-index:10}#game-title h1{font-size:1.5rem;margin-bottom:5px}#game-title .tagline{font-size:.8rem;color:var(--secondary-color);text-shadow:none;font-weight:300;letter-spacing:1px}#planet-ui{position:absolute;top:100px;left:20px;width:200px;pointer-events:auto}#planet-ui h3{font-family:var(--font-heading);color:var(--secondary-color);border-bottom:2px solid var(--secondary-color);margin-bottom:10px;padding-bottom:5px}.planet-item{font-family:var(--font-body);font-size:1rem;padding:8px 10px;margin-bottom:5px;background:rgba(0,10,20,.4);border:1px solid rgba(0,240,255,.3);cursor:pointer;transition:.2s;text-transform:uppercase}.planet-item.active,.planet-item:hover{background:rgba(0,240,255,.2);border-color:var(--primary-color);padding-left:20px}#hud-bottom-right{position:absolute;bottom:20px;right:20px;text-align:right}#zoom-controls{position:absolute;bottom:20px;left:20px;display:flex;gap:10px;pointer-events:auto;z-index:100}#zoom-controls button{width:40px;height:40px;background:var(--hud-bg);border:2px solid var(--primary-color);color:var(--primary-color);font-size:1.5rem;font-weight:700;cursor:pointer;border-radius:5px;backdrop-filter:blur(2px);transition:.2s;font-family:var(--font-heading)}#zoom-controls button:hover{background:rgba(0,240,255,.2);box-shadow:0 0 15px var(--primary-color);transform:scale(1.1)}#zoom-controls button:active{transform:scale(.95)}#hud-bottom-right .hud-item{border-left:none;border-right:2px solid var(--secondary-color);color:var(--secondary-color);text-shadow:0 0 10px var(--secondary-color);float:right;clear:both}