* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            color: white;
            padding-bottom: 80px; /* Space for fixed footer */
        }

        .container {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 40px;
            text-align: center;
            box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
            border: 1px solid rgba(255, 255, 255, 0.18);
            max-width: 500px;
            width: 90%;
            transition: transform 0.3s ease;
        }

        .container:hover {
            transform: translateY(-5px);
        }

        h1 {
            font-size: 2.5rem;
            margin-bottom: 30px;
            background: linear-gradient(45deg, #fff, #f0f8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .emoji-display {
            font-size: 8rem;
            margin: 40px 0;
            padding: 20px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 15px;
            min-height: 200px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            gap: 20px;
        }

        .emoji-display:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: scale(1.05);
        }

        .loading {
            font-size: 2rem;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 0.5; }
            50% { opacity: 1; }
        }

        .button-group {
            display: flex;
            flex-direction: row;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
        }

        button {
            background: linear-gradient(45deg, #ff6b6b, #ee5a24);
            border: none;
            color: white;
            padding: 15px 30px;
            font-size: 1.1rem;
            font-weight: bold;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            min-width: 120px;
        }

        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
            background: linear-gradient(45deg, #ee5a24, #ff6b6b);
        }

        button:active {
            transform: translateY(0);
        }

        button:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        .download-btn {
            background: linear-gradient(45deg, #00d2d3, #54a0ff);
        }

        .download-btn:hover {
            background: linear-gradient(45deg, #54a0ff, #00d2d3);
        }

        .emoji-info {
            margin-top: 10px;
            margin-bottom: 10px;
            padding: 15px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            font-size: 1.1rem;
        }

        .error {
            color: #ff6b6b;
            background: rgba(255, 107, 107, 0.1);
            border: 1px solid rgba(255, 107, 107, 0.3);
            padding: 15px;
            border-radius: 10px;
            margin: 20px 0;
        }

        footer {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(135deg, #1e3c72, #2a5298, #54a0ff);
            background-size: 200% 200%;
            animation: gradientShift 4s ease infinite;
            text-align: center;
            padding: 20px;
            color: white;
            font-size: 0.9rem;
            font-weight: 500;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(10px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            z-index: 1000;
        }

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

        @media (max-width: 600px) {
            .emoji-display {
                font-size: 6rem;
                min-height: 180px;
            }
            
            h1 {
                font-size: 2rem;
            }
            
            .container {
                padding: 20px;
            }

            .button-group {
                flex-direction: column;
                align-items: stretch;
            }

            button {
                width: 100%;
            }

            body {
                padding-bottom: 100px; /* More space on mobile */
            }

            footer {
                padding: 15px;
                font-size: 0.8rem;
            }
        }