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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: #fff;
    border-bottom: 1px solid #e0e0e0;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a73e8;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: #555;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: #1a73e8;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #1a73e8 0%, #1765cc 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.tagline {
    font-size: 1.3rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Main content */
main {
    margin: 2rem auto;
}

h2 {
    color: #1a73e8;
    margin: 2rem 0 1rem 0;
    font-size: 1.8rem;
}

section {
    margin-bottom: 3rem;
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

section p {
    margin-bottom: 1rem;
    color: #555;
}

section p strong {
    color: #333;
}

/* Doc cards */
.docs-grid {
    margin-top: 2rem;
}

.doc-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.doc-card {
    display: block;
    padding: 1.5rem;
    background: #f5f5f5;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
    position: relative;
}

.doc-card:hover {
    border-color: #1a73e8;
    background: #f0f7ff;
    box-shadow: 0 4px 8px rgba(26, 115, 232, 0.15);
}

.doc-card h3 {
    color: #1a73e8;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

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

.link-arrow {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: #1a73e8;
    opacity: 0;
    transition: opacity 0.3s;
}

.doc-card:hover .link-arrow {
    opacity: 1;
}

/* Status */
.status {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
}

.status p {
    color: #856404;
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    color: #999;
    font-size: 0.9rem;
    border-top: 1px solid #e0e0e0;
    margin-top: 3rem;
}

.footer a {
    color: #1a73e8;
    text-decoration: none;
}

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

/* Content pages */
.doc-content {
    max-width: 900px;
    background: white;
    padding: 2rem;
    margin: 1rem auto;
    border-radius: 8px;
}

.doc-content h1 {
    color: #1a73e8;
    margin-bottom: 1rem;
    font-size: 2rem;
}

.doc-content h2 {
    color: #1a73e8;
    margin: 2rem 0 1rem 0;
    font-size: 1.5rem;
}

.doc-content h3 {
    color: #333;
    margin: 1.5rem 0 0.5rem 0;
    font-size: 1.2rem;
}

.doc-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.doc-content table th,
.doc-content table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

.doc-content table th {
    background: #f5f5f5;
    font-weight: 600;
    color: #333;
}

.doc-content table tr:hover {
    background: #f9f9f9;
}

.doc-content pre {
    background: #f5f5f5;
    padding: 1rem;
    border-radius: 4px;
    overflow-x: auto;
    margin: 1.5rem 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

.doc-content code {
    background: #f5f5f5;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
}

.doc-content blockquote {
    border-left: 4px solid #1a73e8;
    padding-left: 1rem;
    margin: 1.5rem 0;
    color: #666;
    font-style: italic;
}

@media (max-width: 600px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .doc-cards {
        grid-template-columns: 1fr;
    }
}