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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #ffffff;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, #8FABD4 0%, #4A70A9 100%);
    color: white;
    padding: 60px 40px;
    text-align: center;
}

h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    font-weight: 700;
}

.subtitle {
    font-size: 1.2em;
    opacity: 0.9;
    margin-bottom: 20px;
}

.version-badge {
    display: inline-block;
    background: #CD2C58;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9em;
    margin-top: 10px;
}

.content {
    padding: 40px;
}

.intro {
    text-align: center;
    margin-bottom: 50px;
    color: #666;
}

.intro p {
    font-size: 1.1em;
    margin-bottom: 15px;
}

.intro a {
    color: #4A70A9;
    text-decoration: none;
    font-weight: 600;
}

.intro a:hover {
    text-decoration: underline;
}

.validator-section {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 50px;
}

.validator-section h2 {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.8em;
    text-align: center;
}

.validator-section p {
    color: #666;
    margin-bottom: 15px;
    text-align: center;
}

.install-box {
    background: #2d3748;
    color: #e2e8f0;
    padding: 20px;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 1.1em;
    margin: 20px auto;
    max-width: 600px;
    position: relative;
    overflow-x: auto;
}

.install-box code {
    color: #68d391;
}

.python-code-box {
    background: #2d3748;
    color: #e2e8f0;
    padding: 20px;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 1.1em;
    margin: 20px auto;
    max-width: 600px;
    position: relative;
    overflow-x: auto;
}

.python-code-box code {
    display: block;
    white-space: pre;
    color: #e2e8f0;
    background: transparent;
}

.schemas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.schema-card {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.schema-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(143, 171, 212, 0.4);
    border-color: #4A70A9;
}

.schema-icon {
    font-size: 3em;
    margin-bottom: 15px;
}

.schema-card h3 {
    font-size: 1.5em;
    color: #333;
    margin-bottom: 10px;
}

.schema-card p {
    color: #666;
    font-size: 0.95em;
    line-height: 1.5;
}

.schema-card .view-schema {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #8FABD4 0%, #4A70A9 100%);
    color: white;
    border-radius: 5px;
    font-weight: 600;
    font-size: 0.9em;
}

footer {
    text-align: center;
    padding: 30px;
    background: #f8f9fa;
    color: #666;
    font-size: 0.9em;
}

footer a {
    color: #4A70A9;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2em;
    }

    .schemas-grid {
        grid-template-columns: 1fr;
    }

    .content {
        padding: 30px 20px;
    }

    header {
        padding: 40px 20px;
    }
}