:root {
    --primary: #10b981;
    /* Emerald 500 */
    --primary-light: #ecfdf5;
    /* Emerald 50 */
    --primary-dark: #059669;
    /* Emerald 600 */
    --bg-main: #ffffff;
    --bg-secondary: #f9fafb;
    /* Gray 50 */
    --text-main: #111827;
    /* Gray 900 */
    --text-muted: #6b7280;
    /* Gray 500 */
    --border: #e5e7eb;
    /* Gray 200 */
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navbar */
nav {
    height: 72px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    background: white;
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-main);
}

.logo span {
    color: var(--primary);
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    padding: 100px 0 60px;
    text-align: center;
    background: radial-gradient(circle at top right, var(--primary-light), transparent);
}

.hero h1 {
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 3rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: var(--primary-light);
    color: var(--primary-dark);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 9999px;
    margin-bottom: 1.5rem;
}

/* Search Bar */
.search-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.search-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3.5rem;
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 1rem;
    outline: none;
    transition: all 0.2s;
    box-shadow: var(--card-shadow);
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.25rem;
}

/* Grid Layout */
.main-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    padding: 4rem 0;
}

.doc-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    text-decoration: none;
    color: var(--text-main);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.doc-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--primary);
}

.card-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.doc-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.doc-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Content Page Layout */
.layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 4rem;
    padding: 3rem 0;
}

.sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-section {
    margin-bottom: 2rem;
}

.sidebar-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 1rem;
    padding-left: 0.75rem;
}

.sidebar-link {
    display: block;
    padding: 0.625rem 0.75rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s;
}

.sidebar-link:hover {
    background: var(--bg-secondary);
    color: var(--text-main);
}

.sidebar-link.active {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.content-body {
    max-width: 800px;
}

/* Markdown Styles */
#markdown-body h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

#markdown-body h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-top: 3rem;
    margin-bottom: 1rem;
}

#markdown-body p {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

#markdown-body ul,
#markdown-body ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    color: var(--text-muted);
}

#markdown-body li {
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

#markdown-body blockquote {
    background: var(--bg-secondary);
    border-left: 4px solid var(--primary);
    padding: 1.5rem;
    border-radius: 0 12px 12px 0;
    font-style: italic;
    margin: 2rem 0;
}

#markdown-body strong {
    color: var(--text-main);
    font-weight: 600;
}

footer {
    padding: 4rem 0;
    border-top: 1px solid var(--border);
    margin-top: 4rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

@media (max-width: 1024px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: none;
    }

    .hero h1 {
        font-size: 3rem;
    }
}