: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)}#datetime{font-variant-numeric:tabular-nums;letter-spacing:.05em;display:inline-block;min-width:180px;text-align:left;font-family:'Courier New',monospace}#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;left:20px;text-align:left}#zoom-controls{position:absolute;bottom:20px;right: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-right:none;border-left:2px solid var(--secondary-color);color:var(--secondary-color);text-shadow:0 0 10px var(--secondary-color)}#direction-indicator{position:absolute;bottom:100px;right:20px;pointer-events:none;opacity:0;transition:opacity .3s}#direction-indicator.active{opacity:1}.modal{display:none;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;background-color:rgba(0,0,0,.8);backdrop-filter:blur(5px)}.modal-content{background:linear-gradient(135deg,rgba(0,10,20,.95),rgba(0,20,40,.95));margin:10% auto;padding:0;border:2px solid var(--primary-color);border-radius:10px;width:80%;max-width:500px;box-shadow:0 0 30px var(--primary-color);animation:.3s ease-out modalFadeIn}@keyframes modalFadeIn{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.close{color:var(--secondary-color);float:right;font-size:28px;font-weight:700;margin:10px;cursor:pointer;transition:color .2s}.close:focus,.close:hover{color:var(--primary-color);text-decoration:none}.modal-content h2{font-family:var(--font-heading);color:var(--primary-color);text-align:center;margin:20px 0;text-shadow:0 0 10px var(--primary-color)}.controls-list{padding:0 20px 20px;max-height:400px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--primary-color) rgba(0,10,20,0.5)}.controls-list::-webkit-scrollbar{width:8px}.controls-list::-webkit-scrollbar-track{background:rgba(0,10,20,.5);border-radius:4px}.controls-list::-webkit-scrollbar-thumb{background:var(--primary-color);border-radius:4px;box-shadow:0 0 5px var(--primary-color)}.controls-list::-webkit-scrollbar-thumb:hover{background:var(--secondary-color)}.control-item{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid rgba(0,240,255,.2)}.control-item:last-child{border-bottom:none}.key{font-family:var(--font-heading);font-weight:700;color:var(--secondary-color);background:rgba(255,0,85,.1);padding:5px 10px;border-radius:3px;border:1px solid var(--secondary-color);min-width:60px;text-align:center}.description{font-family:var(--font-body);color:var(--primary-color);flex:1;margin-left:15px;text-align:left}