*{margin:0;padding:0;box-sizing:border-box}:root{--font-family: "Roboto Mono", monospace;--font-size-base: 16px;--line-height: 1.5;--font-weight-normal: 400;--font-weight-bold: 600;--color-text-light: #00ffcc;--color-text-dark: #242424;--color-bg-light: #f9f9f9;--color-bg-dark: #0f2027;--color-primary: #00ffcc;--color-primary-hover: #00e6b8;--color-secondary: #0f2027;--color-bg-panel: rgba(15, 32, 39, .8);--color-bg-hover: rgba(0, 255, 204, .2);--border-radius: 8px;--transition-speed: .3s}html,body{width:100%;height:100%;font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height);font-weight:var(--font-weight-normal);color:var(--color-text-light);background:linear-gradient(135deg,#0f2027,#203a43,#2c5364);overflow:hidden}#root,.app-container{width:100vw;height:100vh;display:flex;flex-direction:column;position:relative;background:none;z-index:0}.canvas-container{flex:1;width:100%;height:100%;position:relative;background:none;z-index:0;pointer-events:auto}.loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;align-items:center;justify-content:center;z-index:10}.loading-content{display:flex;align-items:center;gap:10px;color:var( --color-primary );font-size:18px;font-weight:700;text-transform:uppercase;text-shadow:0 0 10px var(--color-primary)}.controls-top{position:absolute;top:60px;left:0;width:100%;background:#0f202799;z-index:5;display:flex;justify-content:center;align-items:center;padding:10px 20px;box-shadow:0 2px 10px #00000080}.controls-top button,.controls-top select{background:var(--color-secondary);color:var(--color-primary);border:1px solid var(--color-primary);border-radius:var(--border-radius);padding:6px 12px;font-size:12px;font-weight:700;text-transform:uppercase;cursor:pointer;transition:all var(--transition-speed) ease;box-shadow:0 0 10px var(--color-primary),inset 0 0 5px var(--color-primary);margin:0 10px}.controls-top button:hover,.controls-top select:hover{background:var(--color-primary);color:var(--color-secondary);box-shadow:0 0 20px var(--color-primary),inset 0 0 10px var(--color-primary)}.controls-top button:active,.controls-top select:active{transform:scale(.95)}.arrow{font-size:24px;color:var(--color-primary);animation:arrow-bounce 1s infinite ease-in-out}@keyframes arrow-bounce{0%,80%,to{transform:translateY(0)}40%{transform:translateY(-10px)}}button,select{background:var(--color-secondary);color:var(--color-primary);border:1px solid var(--color-primary);border-radius:var(--border-radius);padding:6px 12px;font-size:12px;margin:1px;font-weight:700;text-transform:uppercase;cursor:pointer;transition:all var(--transition-speed) ease;box-shadow:0 0 10px var(--color-primary),inset 0 0 5px var(--color-primary)}button:hover,select:hover{background:var(--color-primary);color:var(--color-secondary);box-shadow:0 0 20px var(--color-primary),inset 0 0 10px var(--color-primary)}button:active,select:active{transform:scale(.95)}@media (max-width: 768px){button,select{padding:5px 10px;font-size:12px}.controls-bottom{flex-direction:column;padding:10px}}@media (max-width: 480px){button,select{font-size:10px;padding:4px 8px}}.app-header{position:fixed;top:0;left:0;width:100%;display:flex;justify-content:space-between;align-items:center;padding:10px 20px;background:#0f2027cc;box-shadow:0 2px 10px #00000080;z-index:10;border-bottom:1px solid var(--color-primary)}.app-header h1{font-size:24px;font-weight:700;color:var(--color-primary);text-shadow:0 0 10px var(--color-primary);margin:0}.auth-controls{display:flex;align-items:center;gap:10px}.auth-controls span{color:var(--color-primary);font-size:14px;font-weight:700}.auth-controls button{background:var(--color-secondary);color:var(--color-primary);border:1px solid var(--color-primary);border-radius:var(--border-radius);padding:6px 12px;font-size:12px;font-weight:700;text-transform:uppercase;cursor:pointer;transition:all var(--transition-speed) ease;box-shadow:0 0 10px var(--color-primary),inset 0 0 5px var(--color-primary)}.auth-controls button:hover{background:var(--color-primary);color:var(--color-secondary);box-shadow:0 0 20px var(--color-primary),inset 0 0 10px var(--color-primary)}.auth-controls button:active{transform:scale(.95)}.login-popup{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000c;display:flex;justify-content:center;align-items:center;z-index:10}.login-popup form{background:#0f2027f2;border:1px solid var(--color-primary);border-radius:var(--border-radius);padding:20px;width:90%;max-width:400px;box-shadow:0 0 20px var(--color-primary);text-align:center;animation:popup-fade-in .3s ease-in-out}@keyframes popup-fade-in{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.login-popup h2{color:var(--color-primary);font-size:18px;margin-bottom:20px;text-shadow:0 0 10px var(--color-primary)}.login-popup input{width:100%;padding:10px;margin-bottom:10px;border:1px solid var(--color-primary);border-radius:var(--border-radius);background:var(--color-secondary);color:var(--color-primary);font-size:14px;outline:none;transition:all var(--transition-speed) ease}.login-popup input:focus{border-color:var(--color-primary-hover);box-shadow:0 0 10px var(--color-primary-hover)}.login-popup input::placeholder{color:#00ffcc80}.login-popup button{background:var(--color-secondary);color:var(--color-primary);border:1px solid var(--color-primary);border-radius:var(--border-radius);padding:10px 20px;font-size:14px;font-weight:700;text-transform:uppercase;cursor:pointer;transition:all var(--transition-speed) ease;box-shadow:0 0 10px var(--color-primary),inset 0 0 5px var(--color-primary);margin-top:10px}.login-popup button:hover{background:var(--color-primary);color:var(--color-secondary);box-shadow:0 0 20px var(--color-primary),inset 0 0 10px var(--color-primary)}.login-popup button:active{transform:scale(.95)}.auth-controls #colorPicker{width:40px;height:40px;border:1px solid var(--color-primary);border-radius:var(--border-radius);background:var(--color-secondary);box-shadow:0 0 10px var(--color-primary),inset 0 0 5px var(--color-primary);cursor:pointer;transition:all var(--transition-speed) ease}.auth-controls #colorPicker:hover{box-shadow:0 0 20px var(--color-primary),inset 0 0 10px var(--color-primary);transform:scale(1.1)}.auth-controls #colorPicker:focus,.auth-controls #colorPicker:active{outline:none;box-shadow:0 0 25px var(--color-primary-hover),inset 0 0 15px var(--color-primary-hover);transform:scale(1.05)}.footer{position:fixed;bottom:0;left:0;width:100%;z-index:3;display:flex;flex-direction:column;align-items:center;justify-content:flex-end}.footer-customize-panel{width:100%;background:#0f202799;border-top:1px solid var(--color-primary);display:flex;justify-content:center;align-items:center;box-shadow:0 0 20px var(--color-primary);border-radius:var(--border-radius) var(--border-radius) 0 0}.footer-customize-panel button{text-align:center;background:var(--color-secondary);color:var(--color-primary);border:1px solid var(--color-primary);border-radius:var(--border-radius);font-size:14px;font-weight:700;text-transform:uppercase;cursor:pointer;transition:all var(--transition-speed) ease;box-shadow:0 0 10px var(--color-primary),inset 0 0 5px var(--color-primary)}.footer-customize-panel button:hover{background:var(--color-primary);color:var(--color-secondary);box-shadow:0 0 20px var(--color-primary),inset 0 0 10px var(--color-primary)}.footer-customize-panel button:active{transform:scale(.95)}.footer-copyright{width:100%;padding:10px 0;text-align:center;background:#0f202799;font-size:12px;color:var(--color-primary);text-shadow:0 0 5px var(--color-primary);border-top:1px solid var(--color-primary)}