:root{--neon-blue: #00f2ff;--neon-purple: #bc13fe;--neon-green: #34d399;--deep-space: #020617;--glass-bg: rgba(15, 23, 42, .85)}.game-root{width:100vw;height:100vh;background:var(--deep-space);display:flex;justify-content:center;align-items:center;overflow:hidden;font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif}.nebula-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 20% 30%,rgba(0,242,255,.05) 0%,transparent 40%),radial-gradient(circle at 80% 70%,rgba(188,19,254,.05) 0%,transparent 40%);filter:blur(40px);z-index:0}.game-viewport{position:relative;width:400px;height:600px;background:#000c;border:2px solid rgba(255,255,255,.1);border-radius:32px;box-shadow:0 0 60px #000c,inset 0 0 20px #00f2ff1a;overflow:hidden;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.cloud-badge{position:absolute;top:16px;right:16px;font-size:10px;color:var(--neon-blue);background:#00000080;padding:4px 10px;border-radius:20px;border:1px solid rgba(0,242,255,.3);display:flex;align-items:center;gap:5px;z-index:50}.hud-header{position:absolute;top:24px;left:24px;right:24px;display:flex;justify-content:space-between;align-items:flex-start;z-index:40}.score-label{font-size:10px;color:#64748b;letter-spacing:2px;font-weight:800}.score-value{font-size:28px;font-weight:900;color:#fff;text-shadow:0 0 15px var(--neon-blue)}.lives-indicator{display:flex;gap:4px;background:#0000004d;padding:6px;border-radius:12px}.side-stats{position:absolute;top:80px;left:24px;display:flex;flex-direction:column;gap:8px;z-index:40}.stat-pill{background:#fbbf2426;color:#fbbf24;font-size:11px;font-weight:700;padding:4px 10px;border-radius:6px;border:1px solid rgba(251,191,36,.3);display:flex;align-items:center;gap:6px}.stat-pill.shield{background:#34d39926;color:var(--neon-green);border-color:#34d3994d}.xp-system{position:absolute;bottom:24px;left:24px;right:24px;z-index:40}.xp-info{font-size:10px;font-weight:900;color:var(--neon-blue);margin-bottom:6px;text-align:right}.xp-track{height:6px;background:#ffffff1a;border-radius:3px;overflow:hidden}.xp-fill{height:100%;background:linear-gradient(90deg,var(--neon-blue),var(--neon-purple));box-shadow:0 0 10px var(--neon-blue);transition:width .4s cubic-bezier(.175,.885,.32,1.275)}.screen-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--glass-bg);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:100;padding:30px;text-align:center}.title-area h1{font-size:36px;font-weight:900;background:linear-gradient(to bottom,#fff,var(--neon-blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin:15px 0}.title-icon{filter:drop-shadow(0 0 20px var(--neon-blue));animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.main-btn{background:var(--neon-blue);color:#000;border:none;padding:16px 48px;border-radius:16px;font-weight:900;font-size:18px;cursor:pointer;box-shadow:0 0 30px #00f2ff66;transition:.3s}.main-btn:hover:not(:disabled){transform:scale(1.05);box-shadow:0 0 45px var(--neon-blue)}.upgrade-grid{display:flex;flex-direction:column;gap:12px;width:100%}.upgrade-item{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);padding:16px;border-radius:20px;display:flex;align-items:center;gap:16px;cursor:pointer;transition:.2s;text-align:left}.upgrade-item:hover{background:#ffffff1a;border-color:var(--neon-blue);transform:translate(5px)}.u-icon-box{width:48px;height:48px;background:#0006;border-radius:12px;display:flex;justify-content:center;align-items:center}.u-title{font-weight:800;color:#fff;font-size:16px}.u-desc{font-size:12px;color:#94a3b8}.final-score-val{font-size:72px;font-weight:900;color:#f87171;line-height:1}.final-label{font-size:12px;color:#64748b;letter-spacing:4px;margin-bottom:30px}.retry-btn{background:transparent;color:#fff;border:2px solid #fff;padding:12px 32px;border-radius:12px;font-weight:700;display:flex;align-items:center;gap:10px;cursor:pointer}.controls-guide{margin-top:30px;font-size:12px;color:#475569}