* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background: linear-gradient(180deg, #0a0e27 0%, #1a1f3a 50%, #0a0e27 100%);
    min-height: 100vh;
    padding: 20px;
    color: #fff;
    position: relative;
    overflow-x: hidden;
}

/* Animated background pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    background-image: 
        linear-gradient(90deg, #fff 1px, transparent 1px),
        linear-gradient(#fff 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px 20px;
    background: rgba(15, 20, 45, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(160, 179, 255, 0.2);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

h1 {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #ffffff 0%, #a0b3ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1rem;
    color: #a0b3ff;
    font-weight: 300;
    letter-spacing: 1px;
}

.extensions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.extension {
    background: rgba(15, 20, 45, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(160, 179, 255, 0.2);
    border-radius: 16px;
    padding: 30px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.extension::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #4d7cff, transparent);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.extension:hover::before {
    transform: scaleX(1);
}

.extension:hover {
    transform: translateY(-10px);
    background: rgba(20, 30, 60, 0.8);
    border-color: rgba(160, 179, 255, 0.4);
    box-shadow: 0 20px 40px rgba(77, 124, 255, 0.3);
}

.extension-title {
    font-size: 1.8rem;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(160, 179, 255, 0.2);
    font-weight: 400;
    letter-spacing: 0.5px;
    color: #ffffff;
}

.extension-version {
    font-size: 0.95rem;
    color: #a0b3ff;
    margin-bottom: 15px;
    line-height: 1.4;
    font-weight: 300;
}

.extension-description {
    font-size: 1rem;
    color: #b8c5d8;
    margin-bottom: 25px;
    line-height: 1.6;
    flex-grow: 1;
    font-weight: 300;
}

.extension-links {
    display: flex;
    gap: 15px;
    margin-top: auto;
}

.install-button, .download-button {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    color: #fff;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.95rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: none;
    cursor: pointer;
    letter-spacing: 0.5px;
}

.install-button {
    background: linear-gradient(135deg, #4d7cff 0%, #7ea4ff 100%);
    flex: 1;
}

.download-button {
    background: rgba(77, 124, 255, 0.2);
    border: 1px solid rgba(160, 179, 255, 0.3);
}

.install-button i, .download-button i {
    margin-right: 8px;
    font-size: 1.1rem;
}

.install-button:hover, .download-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(77, 124, 255, 0.4);
}

.install-button:hover {
    background: linear-gradient(135deg, #5d8cff 0%, #8eb4ff 100%);
}

.download-button:hover {
    background: rgba(77, 124, 255, 0.3);
    border-color: rgba(160, 179, 255, 0.5);
}

@media (max-width: 768px) {
    body {
        padding: 15px;
    }

    header {
        padding: 25px 20px;
    }

    h1 {
        font-size: 2rem;
    }

    .extensions-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .extension {
        padding: 25px 20px;
    }
}