* { margin: 0; padding: 0; box-sizing: border-box; }
        html, body {
            width: 100%; height: 100%;
            margin: 0; overflow: hidden;
            background: radial-gradient(ellipse at bottom, #0d1d31 0%, #0c0d13 100%);
            font-family: 'Indie Flower', cursive; 
            cursor: grab;
            -webkit-user-select: none; user-select: none;
            -webkit-tap-highlight-color: transparent;
        }
        body:active { cursor: grabbing; }
        canvas { display: block; position: fixed; top: 0; left: 0; }

        #start-screen {
            position: fixed; top: 0; left: 0; width: 100%; height: 100%;
            background: linear-gradient(135deg, #000000 0%, #0a1128 50%, #001f3f 100%);
            display: flex; justify-content: center; align-items: center;
            flex-direction: column; color: white; z-index: 9999; padding: 20px;
            animation: subtleShimmer 8s infinite ease-in-out;
        }

        @keyframes subtleShimmer {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }
        
        #start-button-image {
            width: 200px; height: auto;
            cursor: pointer;
            margin-bottom: 40px;
        }

        @keyframes pulseGlow {
            0%, 100% {
                transform: scale(1) rotate(0deg);
                filter: drop-shadow(0 0 30px #00BFFF) drop-shadow(0 0 50px #1E90FF);
            }
            50% {
                transform: scale(1.15) rotate(3deg);
                filter: drop-shadow(0 0 50px #00FFFF) drop-shadow(0 0 80px #1E90FF) drop-shadow(0 0 120px #4169E1);
            }
        }

        #start-text {
            font-family: "Permanent Marker", cursive;
            font-size: 2.6em; font-weight: bold;
            background: linear-gradient(90deg, #00d4ff, #7b2ff7, #f107a3, #ff6b35, #00d4ff);
            background-size: 300% 300%;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: gradientFlow 4s ease infinite;
            text-align: center;
            filter: drop-shadow(0 0 30px rgba(0, 191, 255, 0.7));
            letter-spacing: 3px;
            margin-bottom: 20px;
        }

        #subtitle-text {
            font-family: 'Indie Flower', cursive;
            font-size: 1.9em;
            color: #87CEEB;
            text-align: center;
            opacity: 0.9;
            animation: fadeInOut 3s infinite ease-in-out;
        }

        @keyframes gradientFlow {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }

        @keyframes fadeInOut {
            0%, 100% { opacity: 0.7; }
            50% { opacity: 1; }
        }

        #title-container {
            position: fixed;
             top: 20px; 
             left: 0%;
            left: 50%;   
            z-index: 100;
            transform: none;  
            opacity: 0;
            animation: titleFadeIn 2s 3s forwards;
            text-align: center;
            padding: 0 1px;   
        }

         #main-title {
            font-family: "Permanent Marker", cursive;
            font-size: 3em;
         
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
    
            animation: gradientFlow 5s ease infinite;
            margin: 0 auto;
            line-height: 1.2;
        }

        @keyframes titleFadeIn {
            from { opacity: 0; transform: translateX(-50%) translateY(-30px); }
            to { opacity: 1; transform: translateX(-50%) translateY(0); }
        }

        #controls-info {
            position: fixed; bottom: 10px; left: 50%;
       
            background: linear-gradient(135deg, rgba(0, 0, 0, 0.8), rgba(0, 50, 100, 0.6));
            backdrop-filter: blur(15px);
            padding: 18px 35px;
            border-radius: 25px;
            border: 2px solid rgba(0, 191, 255, 0.4);
            color: #87CEEB;
            font-size: 1em;
            text-align: center;
            z-index: 100;
            opacity: 0;
            animation: slideInFade 1s 2s forwards;
            box-shadow: 0 8px 30px rgba(0, 191, 255, 0.3), inset 0 0 20px rgba(0, 191, 255, 0.1);
        }

        @keyframes slideInFade {
            from { opacity: 0; transform: translateX(-50%) translateY(20px); }
            to { opacity: 1; transform: translateX(-50%) translateY(0); }
        }

        #loading-container {
            position: fixed; top: 50%; left: 50%;
            transform: translate(-50%, -50%);
            display: none;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }

        #loading-text {
            color: #00d4ff;
            font-size: 1.2em;
            font-family: 'Pacifico', cursive;
            animation: pulse 1.5s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 1; }
        }

        #loading-progress {
            width: 350px; height: 8px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 0 20px rgba(0, 191, 255, 0.3);
        }

        #loading-bar {
            width: 0%; height: 100%;
            background: linear-gradient(90deg, #00d4ff, #7b2ff7, #f107a3);
            background-size: 200% 100%;
            animation: shimmer 2s infinite;
            transition: width 0.3s ease;
            box-shadow: 0 0 25px #00d4ff;
        }

        @keyframes shimmer {
            0% { background-position: 0% 50%; }
            100% { background-position: 200% 50%; }
        }

        .shooting-star {
            position: absolute;
            width: 3px; height: 3px;
            background: white;
            border-radius: 50%;
            box-shadow: 0 0 15px 3px rgba(255, 255, 255, 0.9), 0 0 30px 5px rgba(0, 191, 255, 0.5);
            animation: shoot 2s linear forwards;
        }

        @keyframes shoot {
            0% { 
                transform: translate(0, 0) scale(1); 
                opacity: 1;
                box-shadow: 0 0 15px 3px rgba(255, 255, 255, 0.9), 0 0 30px 5px rgba(0, 191, 255, 0.5);
            }
            100% { 
                transform: translate(-400px, 400px) scale(0); 
                opacity: 0;
                box-shadow: 0 0 5px 1px rgba(255, 255, 255, 0.3);
            }
        }

        .cosmic-particle {
            position: absolute;
            width: 4px; height: 4px;
            background: radial-gradient(circle, #00d4ff, transparent);
            border-radius: 50%;
            pointer-events: none;
            animation: float 4s infinite ease-in-out;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0) scale(1); opacity: 0.3; }
            50% { transform: translateY(-30px) scale(1.5); opacity: 0.8; }
        }

        /* Modal para imagen y mensaje */
        #image-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.85);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 10000;
            backdrop-filter: blur(10px);
            animation: modalFadeIn 0.3s ease-out;
        }

        @keyframes modalFadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        #modal-content {
            background: linear-gradient(135deg, rgba(13, 29, 49, 0.95), rgba(12, 13, 19, 0.95));
            border-radius: 20px;
            padding: 30px;
            max-width: 40%;
            max-height: 90%;
            text-align: center;
            border: 2px solid rgba(0, 191, 255, 0.5);
            box-shadow: 0 0 50px rgba(0, 191, 255, 0.3), inset 0 0 20px rgba(0, 191, 255, 0.1);
            animation: modalSlideIn 0.4s ease-out;
            position: relative;
        }

        @keyframes modalSlideIn {
            from { transform: scale(0.8) translateY(50px); opacity: 0; }
            to { transform: scale(1) translateY(0); opacity: 1; }
        }

        #modal-image {
            width: 250px;
            height: 250px;
            object-fit: cover;
            border-radius: 15px;
            margin-bottom: 20px;
            box-shadow: 0 0 30px rgba(0, 191, 255, 0.5);
            filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.4));
        }

        #modal-message {
            font-family: 'Caveat', cursive;
            font-size: 2.5em;
            color: #87CEEB;
            margin-bottom: 20px;
            line-height: 1.4;
            filter: drop-shadow(0 0 10px rgba(135, 206, 235, 0.3));
        }

        #close-modal {
            position: absolute;
            top: 0px;
            right: 0px;
            background: none;
            border: none;
            color: #ffffff;
            font-size: 2em;
            cursor: pointer;
            padding: 5px;
            border-radius: 50%;
            transition: all 0.3s ease;
            z-index: 100;
        }

        #close-modal:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: scale(1.1);
        }

        @media (max-width: 768px) {
            #start-text { font-size: 2em; }
            #subtitle-text { font-size: 1.5em; }
            #controls-info { font-size: 0.85em; padding: 12px 15px; }
            #start-button-image { width: 160px; }
            #main-title { font-size: 1.5em; }
            #start-screen {
                animation: none; /* Desactivar animaciÃģn en mÃģviles */
                background: linear-gradient(135deg, #000000 0%, #0a1128 100%);
            }
            #modal-content { padding: 30px; max-width: 90%; }
            #modal-image { width: 200px; height: 200px; }
            #modal-message { font-size: 1.6em; }
            body { cursor: none; } /* Ocultar cursor en mÃģviles */
        }
        #fullscreen-controls {
    /* Visible siempre, arriba a la derecha */
}

#fullscreen-btn:hover {
    background: rgba(0, 212, 255, 0.2);
    transform: scale(1.1);
}

#fullscreen-btn.fullscreen-active {
    background: rgba(255, 0, 0, 0.7);
    border-color: #ff0000;
}

@media (max-width: 768px) {
    #fullscreen-btn {
        width: 45px; height: 45px; font-size: 18px; padding: 8px;
    }
    #fullscreen-controls {
        top: 10px; right: 10px;  /* Ajuste para mÃģviles */
    }
}