@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;700&display=swap');
        body { margin: 0; overflow: hidden; background-color: #000; color: #EFEFEF; font-family: 'Roboto', sans-serif; }
        
        #setup-phase-ui {
            position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: flex; justify-content: center; align-items: center; text-align: center; background-color: #000; z-index: 5000;
        }
        #setup-content { padding: 20px 30px; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.2); border-radius: 15px; }
        #setup-content h1 { margin: 0 0 15px; }

        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.4; }
            100% { opacity: 1; }
        }
        #loading-text {
            animation: pulse 1.5s ease-in-out infinite;
        }

        #start-button {
            padding: 12px 25px;
            font-size: 18px;
            font-weight: bold;
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.3s;
            backdrop-filter: blur(5px);
            -webkit-backdrop-filter: blur(5px);
        }
        #start-button:hover {
            background: rgba(255, 255, 255, 0.25);
        }
        
        @keyframes screen-shake { 0% { transform: translate(2px, 1px) rotate(0deg); } 10% { transform: translate(-1px, -3px) rotate(-1deg); } 20% { transform: translate(-4px, 0px) rotate(1deg); } 30% { transform: translate(4px, 2px) rotate(0deg); } 40% { transform: translate(1px, -1px) rotate(1deg); } 50% { transform: translate(-1px, 3px) rotate(-1deg); } 60% { transform: translate(-4px, 1px) rotate(0deg); } 70% { transform: translate(4px, 1px) rotate(-1deg); } 80% { transform: translate(-1px, -1px) rotate(1deg); } 90% { transform: translate(2px, 3px) rotate(0deg); } 100% { transform: translate(0, 0) rotate(0deg); } }
        @keyframes screen-flash { 0% { opacity: 0.8; } 100% { opacity: 0; } }
        .shake-effect { animation: screen-shake 0.4s ease-in-out; }
        #flash-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: #FFFFFF; opacity: 0; pointer-events: none; z-index: 9999; }
        #flash-overlay.flash-effect { animation: screen-flash 0.3s ease-out; }
        .glass-ui { background: rgba(0, 0, 0, 0.25); box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-radius: 12px; border: 1px solid rgba(255, 255, 255, 0.18); }
        #ar-ui-container { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 10; display: none; }
        #ui-overlay { position: absolute; top: 20px; left: 20px; font-size: 16px; padding: 12px 18px; pointer-events: auto; z-index: 11; }
        #distance-text, #status-text, #collection-text { margin-bottom: 8px; color: #FFFFFF; font-weight: 400; text-shadow: 0 0 8px rgba(0, 0, 0, 0.5); }
        #collection-text { margin-bottom: 0; }
        #minimap-container { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); width: 140px; height: 140px; border-radius: 50%; overflow: hidden; pointer-events: auto; z-index: 11; }
        #minimap-canvas { width: 100%; height: 100%; }
        #completion-screen { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 2000; display: none; justify-content: center; align-items: center; background: rgba(0, 0, 0, 0.5); opacity: 0; transition: opacity 0.5s ease-in-out; }
        #completion-screen.visible { display: flex; opacity: 1; }
        #fireworks-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
        #completion-popup { position: relative; z-index: 2001; padding: 25px 35px; text-align: center; color: #FFFFFF; background: rgba(200, 30, 30, 0.25); box-shadow: 0 8px 32px 0 rgba(211, 47, 47, 0.37); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-radius: 15px; border: 1px solid rgba(255, 82, 82, 0.2); width: 90%; max-width: 450px; box-sizing: border-box; }
        #completion-popup h2 { margin: 0 0 15px 0; font-size: 24px; font-weight: 700; text-shadow: 0 0 10px rgba(255, 82, 82, 0.8); }
        #restart-button { margin-top: 20px; padding: 12px 25px; background: rgba(255, 255, 255, 0.2); border: 1px solid rgba(255, 255, 255, 0.3); color: #FFFFFF; font-size: 16px; font-weight: bold; text-transform: uppercase; border-radius: 8px; cursor: pointer; transition: background 0.2s ease; }
        #restart-button:hover { background: rgba(255, 255, 255, 0.4); }