:root{--bg: #0f172a;--bg2: #0a0e1a;--accent: #00ffcc;--accent-glow: rgba(0,255,204,.35);--text: #f1f5f9;--muted: #94a3b8;--dim: #64748b;--card: rgba(15,23,42,.92);--card-border: rgba(0,255,204,.15);--danger: #ef4444;--success: #22c55e}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;background:var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow:hidden;touch-action:none}#app{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center}#game-canvas{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:1}#ui-root{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10;pointer-events:none}.screen{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;flex-direction:column;background:#0f172ae0;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);pointer-events:auto}.screen.transparent{background:none;-webkit-backdrop-filter:none;backdrop-filter:none;pointer-events:none}.screen.transparent .hud-bar,.screen.transparent .btn-icon{pointer-events:auto}.menu-content{text-align:center;max-width:380px}.neon-title{font-family:Orbitron,monospace;font-size:40px;font-weight:800;color:var(--accent);text-shadow:0 0 40px var(--accent-glow),0 0 80px rgba(0,255,204,.15);letter-spacing:.15em;margin-bottom:4px}.neon-sub{font-family:Orbitron,monospace;font-size:12px;color:var(--dim);letter-spacing:.25em;text-transform:uppercase;margin-bottom:24px}.menu-auth{margin-bottom:24px;font-size:13px;color:var(--muted)}.auth-user{color:var(--accent);margin-right:8px}.auth-guest{color:var(--dim);margin-right:8px}.menu-buttons{display:flex;flex-direction:column;gap:12px}.btn-neon{font-family:Orbitron,monospace;font-size:14px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:#0a0e1a;background:linear-gradient(135deg,var(--accent),#00e6b8);border:none;border-radius:12px;padding:14px 24px;cursor:pointer;transition:all .25s;box-shadow:0 4px 24px var(--accent-glow)}.btn-neon:hover{transform:translateY(-2px);box-shadow:0 6px 32px #00ffcc73}.btn-neon:active{transform:translateY(0)}.btn-neon.btn-dim{background:#ffffff14;color:var(--muted);box-shadow:none}.btn-neon.btn-dim:hover{background:#ffffff1f;color:var(--text)}.btn-text{background:none;border:none;color:var(--accent);font-family:Inter,sans-serif;font-size:13px;cursor:pointer;text-decoration:underline;text-decoration-color:transparent;transition:text-decoration-color .2s}.btn-text:hover{text-decoration-color:var(--accent)}.btn-icon{background:none;border:none;color:var(--muted);font-size:16px;cursor:pointer;padding:4px 8px}.btn-icon:hover{color:var(--accent)}.levels-wrapper{width:100%;max-width:480px;padding:20px}.levels-header{display:flex;align-items:center;gap:16px;margin-bottom:16px}.levels-header h2{font-family:Orbitron,monospace;font-size:18px;color:var(--accent)}.levels-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;max-height:65vh;overflow-y:auto;padding:4px}.level-cell{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#ffffff0f;border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:10px 4px;cursor:pointer;transition:all .2s;font-family:Inter,sans-serif;min-height:72px}.level-cell.unlocked:hover{border-color:var(--accent);background:#00ffcc14;box-shadow:0 0 12px #00ffcc1f}.level-cell.locked{opacity:.3;cursor:not-allowed}.level-cell.completed{border-color:var(--success);background:#22c55e0d}.cell-num{font-family:Orbitron,monospace;font-size:18px;font-weight:700;color:var(--text)}.cell-name{font-size:9px;color:var(--muted);margin-top:3px;text-align:center;line-height:1.2}.cell-score{font-size:10px;color:var(--accent);margin-top:2px}.cell-check{position:absolute;top:3px;right:5px;color:var(--success);font-size:12px}.settings-panel{max-width:380px;width:100%}.settings-panel h2{font-family:Orbitron,monospace;font-size:18px;color:var(--accent);margin:8px 0 20px}.setting-row{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.setting-row>span{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.1em}.lang-buttons{display:flex;gap:8px;flex-wrap:wrap}.btn-lang{background:#ffffff0f;border:1px solid rgba(255,255,255,.1);color:var(--muted);border-radius:8px;padding:8px 14px;font-size:13px;cursor:pointer;transition:all .2s;font-family:Inter,sans-serif}.btn-lang:hover{border-color:var(--accent);color:var(--text)}.btn-lang.active{background:var(--accent);color:#0a0e1a;font-weight:600}.setting-cheat{margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.06)}.cheat-row{display:flex;gap:8px;align-items:center}.cheat-input{flex:1;background:#ffffff0f;border:1px solid rgba(255,255,255,.1);color:var(--text);border-radius:8px;padding:10px 14px;font-size:14px;font-family:Orbitron,monospace;letter-spacing:.1em;outline:none;transition:border-color .2s}.cheat-input:focus{border-color:var(--accent)}.cheat-input::placeholder{color:var(--dim);font-family:Inter,sans-serif;letter-spacing:0;font-size:12px}.btn-small{padding:10px 16px;font-size:12px}.cheat-msg{font-size:12px;margin-top:4px;min-height:16px}.cheat-msg.success{color:var(--success)}.cheat-msg.error{color:var(--danger)}.hud-bar{position:absolute;top:4px;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:4px 10px;font-family:Orbitron,monospace;font-size:12px;color:var(--muted);z-index:20}.hud-level{color:var(--accent)}.hud-score{color:var(--text)}.hud-lives{color:var(--danger);letter-spacing:2px}.announce-box{text-align:center;animation:announce-in .6s ease-out}.announce-num{display:block;font-family:Orbitron,monospace;font-size:14px;color:var(--dim);text-transform:uppercase;letter-spacing:.2em}.announce-name{display:block;font-family:Orbitron,monospace;font-size:24px;font-weight:800;color:var(--accent);text-shadow:0 0 30px var(--accent-glow);margin-top:4px}@keyframes announce-in{0%{opacity:0;transform:scale(.8) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}.overlay-box{text-align:center;background:var(--card);border:1px solid var(--card-border);border-radius:16px;padding:32px 40px;max-width:340px;display:flex;flex-direction:column;gap:14px}.overlay-box h2{font-family:Orbitron,monospace;font-size:22px;color:var(--accent)}.ov-score{color:var(--muted);font-size:14px}.ov-congrats{color:var(--text);font-size:13px;line-height:1.5}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}@media(max-width:480px){.neon-title{font-size:28px}.levels-grid{grid-template-columns:repeat(5,1fr);gap:6px}.level-cell{min-height:52px;padding:6px 2px}.cell-num{font-size:14px}.overlay-box{padding:24px 20px}}