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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #ffffff;
    color: #000000;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    flex: 1;
}

header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid #000000;
}

.logo {
    width: 80px;
    height: 80px;
    background: #000000;
    padding: 10px;
    border-radius: 8px;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.tagline {
    font-size: 1.25rem;
    color: #666666;
    margin-bottom: 3rem;
    line-height: 1.6;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature-card {
    border: 2px solid #000000;
    padding: 1.5rem;
    background: #ffffff;
    transition: all 0.2s ease;
}

.feature-card:hover {
    background: #000000;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.feature-card p {
    line-height: 1.6;
    opacity: 0.9;
}

.endpoints {
    background: #f5f5f5;
    border: 2px solid #000000;
    padding: 2rem;
    margin-bottom: 3rem;
}

.endpoints h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.section-description {
    color: #666666;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.endpoint-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.endpoint {
    font-family: 'Courier New', monospace;
    background: #ffffff;
    padding: 0.75rem 1rem;
    border: 1px solid #000000;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.endpoint-with-copy {
    justify-content: space-between;
}

.endpoint-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.copy-btn {
    background: #000000;
    color: #ffffff;
    border: none;
    padding: 0.4rem 0.75rem;
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.copy-btn:hover {
    background: #333333;
}

.copy-btn.copied {
    background: #009900;
}

.copy-btn svg {
    width: 14px;
    height: 14px;
}

.method {
    font-weight: bold;
    min-width: 80px;
}

.method.get { color: #0066cc; }
.method.post { color: #009900; }
.method.delete { color: #cc0000; }

.links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.link-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: #000000;
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
    border: 2px solid #000000;
}

.link-button:hover {
    background: #ffffff;
    color: #000000;
}

.link-button.secondary {
    background: #ffffff;
    color: #000000;
}

.link-button.secondary:hover {
    background: #000000;
    color: #ffffff;
}

footer {
    background: #000000;
    color: #ffffff;
    padding: 2rem;
    text-align: center;
}

footer a {
    color: #ffffff;
    text-decoration: underline;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .logo {
        width: 60px;
        height: 60px;
        background: #000000;
        padding: 8px;
        border-radius: 6px;
    }
}