:root { scroll-behavior: smooth; }
        body { background-color: #F8FAFC; color: #0A1128; font-family: 'Inter', sans-serif; }
        
        .glass-card {
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(10, 17, 40, 0.05);
            box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
            border-radius: 1.5rem;
            transition: all 0.3s ease;
        }
        .glass-card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.1); }

        .score-dial {
            stroke-dasharray: 251.2;
            stroke-dashoffset: 251.2;
            transition: stroke-dashoffset 2s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .nav-link { position: relative; cursor: pointer; font-size: 0.875rem; font-weight: 500; }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0%;
            height: 2px;
            background: #10B981;
            transition: width 0.3s ease;
        }
        .nav-link:hover::after { width: 100%; }

        @keyframes pulse-soft {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }
        .pulse-emerald { animation: pulse-soft 2s infinite; }

        /* Game Styles */
        .memory-card {
            aspect-ratio: 1;
            perspective: 1000px;
            cursor: pointer;
        }
        .memory-card-inner {
            position: relative;
            width: 100%;
            height: 100%;
            transition: transform 0.6s;
            transform-style: preserve-3d;
        }
        .memory-card.flipped .memory-card-inner { transform: rotateY(180deg); }
        .card-front, .card-back {
            position: absolute;
            width: 100%;
            height: 100%;
            backface-visibility: hidden;
            border-radius: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .card-front { background: #0A1128; color: white; }
        .card-back { background: #10B981; color: white; transform: rotateY(180deg); }
            @keyframes slideUp {
            from { transform: translateY(20px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
            }
            .animate-slide-up {
            animation: slideUp .4s ease-out;
            }
            @keyframes scaleIn {
            from { transform: scale(.96); opacity: 0; }
            to { transform: scale(1); opacity: 1; }
            }
            .animate-scale-in {
            animation: scaleIn .25s ease-out;
            }