:root{--bg-dark: #0f172a;--panel-bg: rgba(30, 41, 59, .7);--cyan-glow: 0 0 15px rgba(6, 182, 212, .5)}body,html{margin:0;padding:0;width:100%;height:100%;background-color:var(--bg-dark);color:#fff;font-family:Inter,system-ui,sans-serif;overflow:hidden}#root{width:100%;height:100%}.game-container{display:flex;flex-direction:column;width:100vw;height:100vh;max-width:1000px;margin:0 auto;position:relative}.game-header{display:flex;justify-content:space-between;items-center;padding:1rem 2rem;background:linear-gradient(to bottom,#0f172a,#0f172a00);z-index:50}.game-viewport{flex:1;position:relative;overflow:hidden;background:#020617;border-radius:1rem 1rem 0 0;box-shadow:inset 0 0 50px #000c}.cloud-badge{font-size:.75rem;padding:.2rem .5rem;background:#ffffff1a;border-radius:1rem;color:#94a3b8;border:1px solid rgba(255,255,255,.05)}.stat-box{display:flex;align-items:center;gap:.5rem;background:#0000004d;padding:.25rem .75rem;border-radius:.5rem;border:1px solid rgba(255,255,255,.1)}.start-screen{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;justify-content:center;align-items:center;background:radial-gradient(circle at center,#06b6d41a,#000c);z-index:40}.glass-panel{background:var(--panel-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:2rem;border-radius:1rem;border:1px solid rgba(255,255,255,.1);box-shadow:0 25px 50px -12px #00000080}.input-group{display:flex;flex-direction:column;gap:.25rem}.input-group label{font-size:.75rem;color:#94a3b8;text-transform:uppercase}.input-group input{background:#00000080;border:1px solid #334155;color:#fff;padding:.5rem;border-radius:.25rem;font-family:monospace;outline:none;transition:border-color .2s}.input-group input:focus{border-color:#06b6d4;box-shadow:var(--cyan-glow)}button{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:.5rem;font-weight:700;cursor:pointer;transition:all .2s;border:none;outline:none}.btn-primary{background:linear-gradient(135deg,#06b6d4,#3b82f6);color:#fff;box-shadow:0 4px 15px #06b6d466}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #06b6d499}.btn-primary:disabled{opacity:.5;cursor:not-allowed;filter:grayscale(1)}.btn-secondary{background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2)}.btn-secondary:hover{background:#fff3}.game-world{width:100%;height:100%;position:relative;transition:background-color 1s ease}.terrain-plain{background:linear-gradient(to bottom,#064e3b,#022c22)}.terrain-mountain{background:linear-gradient(to bottom,#451a03,#1c1917)}.terrain-ocean{background:linear-gradient(to bottom,#1e3a8a,#0f172a)}.grid-overlay{position:absolute;top:-100%;right:-100%;bottom:-100%;left:-100%;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:50px 50px;animation:scrollBackground 20s linear infinite;pointer-events:none}@keyframes scrollBackground{0%{transform:translateY(0)}to{transform:translateY(50px)}}::-webkit-scrollbar{display:none}