:root {
    --orange: #ff6a00;
    --orange-light: #fff2e0;
    --gray-light: #f7f7f7;
    --gray-medium: #eaeaea;
    --gray-dark: #2a2a2a;
    --text-color: #333;
}

/* Overall layout */
body {
    font-family: "Segoe UI", Roboto, sans-serif;
    background-color: var(--gray-light);
    color: var(--text-color);
    line-height: 1.7;
    margin: 0;
    padding: 0;
}

/* Main content container */
#main-doc {
    margin-left: 300px;
    padding: 2rem;
    max-width: 900px;
}

/* Navbar styling */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    background-color: white;
    border-right: 1px solid var(--gray-medium);
    padding: 1.25rem;
    overflow-y: auto;
}

#navbar header {
    font-size: 1.2rem;
    color: var(--orange);
    margin-bottom: 1rem;
    font-weight: bold;
    border-bottom: 2px solid var(--orange);
    padding-bottom: 0.5rem;
}

.nav-link {
    display: block;
    color: var(--text-color);
    padding: 0.5rem 0.75rem;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.nav-link:hover {
    background-color: var(--orange-light);
    color: var(--orange);
}

/* Main section styling */
.main-section {
    margin-bottom: 2.5rem;
}

.main-section header h3 {
    background-color: var(--gray-medium);
    border-left: 6px solid var(--orange);
    padding: 0.75rem 1rem;
    font-size: 1.25rem;
    margin: 0;
    transition: background-color 0.2s ease;
}

.main-section header h3:hover {
    background-color: var(--orange-light);
}

/* Headings */
h1 {
    font-size: 2.4rem;
    color: var(--orange);
    border-bottom: 2px solid var(--orange);
    margin-bottom: 1rem;
    padding-bottom: 0.4rem;
}

/* Paragraphs */
p {
    margin: 0.6rem 0;
}

/* Lists */
ul {
    margin: 0.5rem 0 0.5rem 1.5rem;
}

li {
    margin-bottom: 0.4rem;
}

/* Inline code */
code {
    background-color: var(--gray-medium);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: Consolas, monospace;
    font-size: 0.95rem;
}

/* Code blocks */
pre {
    background-color: var(--gray-dark);
    color: white;
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    margin: 1rem 0;
}

pre code {
    background: none;
    color: inherit;
    padding: 0;
    display: block;
}

/* Links */
a {
    color: var(--orange);
    text-decoration: none;
    border-bottom: 1px dashed var(--orange);
}

a:hover {
    background-color: var(--orange-light);
}

/* Responsive layout */
@media (max-width: 768px) {
    #navbar {
        position: static;
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--gray-medium);
    }

    #main-doc {
        margin-left: 0;
        padding: 1.25rem;
    }
}