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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    color: white;
    margin-bottom: 60px;
    margin-top: 40px;
}

header h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.2);
}

header .subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.2);
}

main {
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    margin-bottom: 40px;
}

.tools-section h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #333;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.tool-card {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.tool-card:hover {
    border-color: #667eea;
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.15);
    transform: translateY(-2px);
}

.tool-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
}

.tool-card .description {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 15px;
    line-height: 1.5;
}

.tool-card .meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #e9ecef;
}

.tool-card .status {
    font-size: 0.85rem;
    padding: 4px 8px;
    border-radius: 4px;
    background: #d4edda;
    color: #155724;
    font-weight: 600;
}

.tool-card .status.dev {
    background: #fff3cd;
    color: #856404;
}

.tool-card a {
    color: #667eea;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.tool-card a:hover {
    color: #764ba2;
}

.tool-card a::after {
    content: '→';
    transition: transform 0.2s ease;
}

.tool-card:hover a::after {
    transform: translateX(3px);
}

.info-section {
    background: #f0f4ff;
    border-left: 4px solid #667eea;
    padding: 20px;
    border-radius: 6px;
    margin-top: 30px;
}

.info-section h3 {
    margin-bottom: 10px;
    color: #333;
}

.info-section p {
    color: #555;
    margin-bottom: 10px;
    line-height: 1.6;
}

.info-section code {
    background: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: #667eea;
    font-weight: 600;
}

.loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
    color: #999;
    font-size: 1.1rem;
}

footer {
    text-align: center;
    color: white;
    opacity: 0.9;
    font-size: 0.95rem;
}

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

    header .subtitle {
        font-size: 1rem;
    }

    main {
        padding: 20px;
    }

    .tools-section h2 {
        font-size: 1.5rem;
    }

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

    .tool-card {
        padding: 15px;
    }
}