:root {
            --primary-color: #3898FF;
            --secondary-color: #FF1CF7;
            --tertiary-color: #00FFFF;
            --bg-color: #0A0A0A;
            --card-bg-color: #1A1A1A;
            --text-color: #FFFFFF;
            --text-secondary: #AAAAAA;
        }

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

        body {
            font-family: 'Poppins', sans-serif;
            background-color: var(--bg-color);
            color: var(--text-color);
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            font-size: 16px;
            background-image: 
                linear-gradient(to bottom, rgba(10, 10, 10, 0.8), rgba(10, 10, 10, 0.8)),
                url('data:image/svg+xml,%3Csvg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="%239C92AC" fill-opacity="0.05"%3E%3Cpath d="M0 0h20L0 20z"/%3E%3C/g%3E%3C/svg%3E');
        }

        header {
            background-color: rgba(10, 10, 10, 0.8);
            padding: 1rem 5%;
            position: fixed;
            width: 100%;
            z-index: 1000;
            display: flex;
            justify-content: space-between;
            align-items: center;
            backdrop-filter: blur(10px);
            transition: background-color 0.3s ease;
        }

        header:hover {
            background-color: rgba(10, 10, 10, 0.9);
        }

        .logo {
            font-size: 2rem;
            font-weight: 700;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--tertiary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-size: 200% auto;
            animation: gradient 5s ease infinite;
            display: flex;
            align-items: center;
        }

        .logo-circle {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            margin-right: 10px;
            background: conic-gradient(from 0deg, var(--primary-color), var(--secondary-color), var(--tertiary-color), var(--primary-color));
            animation: rotate 3s linear infinite;
            position: relative;
        }

        .logo-circle::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 20px;
            height: 20px;
            background-color: var(--bg-color);
            border-radius: 50%;
        }

        @keyframes rotate {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

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

        main {
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 100px 5% 50px;
            text-align: center;
        }

        .content {
            max-width: 800px;
            width: 100%;
        }

        h1 {
            font-size: 4rem;
            margin-bottom: 1rem;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--tertiary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-size: 200% auto;
            animation: gradient 5s ease infinite;
            letter-spacing: -1px;
        }

        h2 {
            font-size: 2.5rem;
            margin-top: 3rem;
            margin-bottom: 1.5rem;
            color: var(--secondary-color);
            letter-spacing: -0.5px;
        }

        p {
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        .try-spark-btn {
            display: inline-block;
            padding: 1.2rem 2.5rem;
            font-size: 1.3rem;
            font-weight: 600;
            text-decoration: none;
            color: var(--text-color);
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            border-radius: 50px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            margin-top: 3rem;
            position: relative;
            overflow: hidden;
        }

        .try-spark-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.7s;
        }

        .try-spark-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(56, 152, 255, 0.4);
        }

        .try-spark-btn:hover::before {
            left: 100%;
        }

        .try-spark-btn.disabled {
            opacity: 0.5;
            cursor: not-allowed;
            pointer-events: none;
        }

        #serverStatus {
            margin-top: 1rem;
            font-size: 1.2rem;
            color: var(--secondary-color);
        }

        .preview-gallery {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 4rem;
        }

        .preview-card {
            background-color: var(--card-bg-color);
            border-radius: 20px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            position: relative;
        }

        .preview-card:hover {
            transform: translateY(-10px) scale(1.03);
            box-shadow: 0 20px 40px rgba(56, 152, 255, 0.3);
        }

        .image-placeholder {
            width: 100%;
            height: 250px;
            background-color: rgba(56, 152, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 1rem;
            text-align: center;
            font-style: italic;
            color: var(--text-secondary);
            transition: transform 0.3s ease;
        }

        .preview-card:hover .image-placeholder {
            transform: scale(1.1);
        }

        .preview-card h3 {
            padding: 1.5rem;
            font-size: 1.4rem;
            color: var(--primary-color);
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(26, 26, 26, 0.8);
            backdrop-filter: blur(5px);
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 3rem;
            }

            h2 {
                font-size: 2rem;
            }

            p {
                font-size: 1.1rem;
            }

            .preview-gallery {
                grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            }
        }

        .fade-in {
            animation: fadeIn 1s ease-out forwards;
        }

        .fade-out {
            opacity: 0;
            transform: translateY(20px);
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }