/* Main Container Styles */
        .practice-section {
            max-width: 1200px;
            margin: 30px auto;
            padding: 30px;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            font-family: 'Comic Sans MS', 'Arial Rounded MT Bold', sans-serif;
        }
         
        /* Back Button Styles */
        .back-button {
            position: absolute;
            top: 20px;
            left: 20px;
            padding: 10px 15px;
            background: #4b2c7c;
            color: white;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            font-family: 'Comic Sans MS';
        }

        /* Header Styles */
        .section-title {
            color: #4b2c7c;
            font-size: 2.2rem;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
            text-align: center;
        }

        .section-title i {
            color: #FFD166;
            font-size: 2rem;
        }

        .section-subtitle {
            color: #6c757d;
            font-size: 1.2rem;
            text-align: center;
            margin-bottom: 30px;
        }

        /* Letter Grid Layout */
        .letter-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 25px;
            padding: 10px;
        }

        /* Letter Tile Styles */
        .letter-tile {
            background: white;
            border-radius: 18px;
            overflow: hidden;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
            position: relative;
            height: 240px;
            perspective: 1000px;
        }

        .letter-tile:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }

        /* Front and Back of Tile */
        .letter-front, .letter-back {
            position: absolute;
            width: 100%;
            height: 100%;
            backface-visibility: hidden;
            transition: transform 0.7s;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 20px;
            box-sizing: border-box;
        }

        .letter-front {
            background: linear-gradient(135deg, #5e35b1 0%, #3949ab 100%);
            color: white;
            transform: rotateY(0deg);
            border-radius: 18px;
        }

        .letter-tile.flipped .letter-front {
            transform: rotateY(180deg);
        }

        .letter-back {
            background: white;
            transform: rotateY(180deg);
            padding: 15px;
            border-radius: 18px;
        }

        .letter-tile.flipped .letter-back {
            transform: rotateY(0deg);
        }

        /* Letter Bubble */
        .letter-bubble {
            width: 90px;
            height: 90px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            font-weight: bold;
            color: #4b2c7c;
            margin-bottom: 20px;
            box-shadow: 0 6px 12px rgba(0,0,0,0.2);
            transition: all 0.3s;
        }

        .letter-tile:hover .letter-bubble {
            transform: scale(1.05);
        }

        /* Preview Image */
        .letter-preview {
            width: 120px;
            height: 120px;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
            transition: all 0.3s;
            position: relative;
            margin-bottom: 10px;
        }

        .letter-tile:hover .letter-preview {
            transform: scale(1.05);
        }

        .preview-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Preview Text */
        .preview-text {
            color: white;
            font-size: 1.1rem;
            font-weight: bold;
            text-align: center;
            margin-top: 5px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }

        /* Image Caption */
        .image-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(0, 0, 0, 0.6);
            color: white;
            padding: 5px;
            font-size: 0.9rem;
            text-align: center;
        }

        /* Letter Sound Button */
        .letter-sound-btn {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background: rgba(75, 44, 124, 0.8);
            color: white;
            border: none;
            width: 35px;
            height: 35px;
            border-radius: 50%;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
            z-index: 2;
        }

        .letter-sound-btn:hover {
            background: #3a1d63;
            transform: scale(1.1);
        }

        /* Word Carousel */
        .word-carousel {
            width: 100%;
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .word-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 0.6s ease;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 10px;
            box-sizing: border-box;
        }

        .word-slide.active {
            opacity: 1;
        }

        /* Word Image */
        .word-image {
            width: 100%;
            height: 130px;
            object-fit: contain;
            margin-bottom: 15px;
            border-radius: 10px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
            position: relative;
        }

        /* Word Info */
        .word-info {
            text-align: center;
            width: 100%;
        }

        .word-info h3 {
            color: #4b2c7c;
            margin-bottom: 12px;
            font-size: 1.4rem;
            font-weight: bold;
        }

        /* Sound Button */
        .sound-btn {
            background: #4b2c7c;
            color: white;
            border: none;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        }

        .sound-btn:hover {
            background: #3a1d63;
            transform: scale(1.1);
        }

        /* Carousel Controls */
        .carousel-controls {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            margin-top: 15px;
        }

        .carousel-prev, .carousel-next {
            background: #FFD166;
            color: #4b2c7c;
            border: none;
            width: 35px;
            height: 35px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
            font-size: 1rem;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

        .carousel-prev:hover, .carousel-next:hover {
            background: #4b2c7c;
            color: white;
            transform: scale(1.1);
        }

        .carousel-dots {
            display: flex;
            gap: 8px;
        }

        .carousel-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #ddd;
            cursor: pointer;
            transition: all 0.3s;
        }

        .carousel-dot.active {
            background: #4b2c7c;
            transform: scale(1.2);
        }

        /* Celebration Animation */
        @keyframes celebrate {
            0% { transform: scale(1); }
            50% { transform: scale(1.2); }
            100% { transform: scale(1); }
        }

        .celebrate {
            animation: celebrate 0.5s ease;
        }

        /* Responsive Design */
        @media (max-width: 1200px) {
            .letter-grid {
                grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            }
        }

        @media (max-width: 992px) {
            .practice-section {
                padding: 25px;
            }
            
            .letter-grid {
                grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
                gap: 20px;
            }
            
            .letter-tile {
                height: 220px;
            }
            
            .letter-bubble {
                width: 80px;
                height: 80px;
                font-size: 3.5rem;
            }
            
            .letter-preview {
                width: 110px;
                height: 110px;
            }
            
            .letter-sound-btn {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            
            .preview-text {
                font-size: 1rem;
            }
            
            .image-caption {
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.8rem;
            }
            
            .letter-grid {
                grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
                gap: 15px;
            }
            
            .letter-tile {
                height: 200px;
            }
            
            .word-image {
                height: 110px;
            }
            
            .preview-text {
                font-size: 0.9rem;
            }
        }

        @media (max-width: 576px) {
            .practice-section {
                padding: 20px;
                margin: 15px;
            }
            
            .section-title {
                font-size: 1.6rem;
                flex-direction: column;
                gap: 8px;
            }
            
            .letter-grid {
                grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
                gap: 12px;
            }
            
            .letter-tile {
                height: 180px;
            }
            
            .letter-bubble {
                width: 70px;
                height: 70px;
                font-size: 3rem;
                margin-bottom: 15px;
            }
            
            .letter-preview {
                width: 90px;
                height: 90px;
            }
            
            .letter-sound-btn {
                width: 25px;
                height: 25px;
                font-size: 0.8rem;
                bottom: 5px;
                right: 5px;
            }
            
            .word-image {
                height: 90px;
            }
            
            .word-info h3 {
                font-size: 1.2rem;
                margin-bottom: 8px;
            }
            
            .sound-btn {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
            
            .preview-text {
                font-size: 0.8rem;
            }
            
            .image-caption {
                font-size: 0.7rem;
                padding: 3px;
            }
        }