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

body {
    font-family: 'Georgia', serif;
    background: #faf8f3;
    color: #2c2c2c;
    line-height: 1.7;
}

header {
    background: #1a1a2e;
    color: #e0e0e0;
    padding: 2rem 1.5rem;
    text-align: center;
}

header h1 {
    font-size: 1.8rem;
    letter-spacing: 0.05em;
    color: #d4a843;
}

header p {
    font-size: 0.9rem;
    color: #888;
    margin-top: 0.3rem;
}

nav {
    background: #16213e;
    padding: 0.8rem 1.5rem;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 10;
}

nav a {
    color: #aaa;
    text-decoration: none;
    font-size: 0.8rem;
    margin: 0 0.6rem;
    transition: color 0.2s;
}

nav a:hover, nav a.active {
    color: #d4a843;
}

main {
    max-width: 750px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

h2 {
    font-size: 1.5rem;
    color: #1a1a2e;
    border-bottom: 2px solid #d4a843;
    padding-bottom: 0.3rem;
    margin: 2.5rem 0 1rem;
}

h2:first-child {
    margin-top: 0;
}

h3 {
    font-size: 1.1rem;
    color: #333;
    margin: 1.5rem 0 0.5rem;
}

p {
    margin-bottom: 1rem;
}

ul, ol {
    margin: 0.5rem 0 1rem 1.5rem;
}

li {
    margin-bottom: 0.4rem;
}

a {
    color: #2a7ab8;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

blockquote {
    border-left: 3px solid #d4a843;
    padding: 0.5rem 1rem;
    margin: 1rem 0;
    background: #f0ece2;
    font-style: italic;
    color: #555;
}

code {
    background: #eee;
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    font-size: 0.9rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.85rem;
}

th {
    background: #1a1a2e;
    color: #d4a843;
    padding: 0.5rem;
    text-align: center;
}

td {
    border: 1px solid #ddd;
    padding: 0.4rem 0.5rem;
    text-align: center;
}

tr:nth-child(even) td {
    background: #f5f3ef;
}

.highlight-red {
    background: #fdd !important;
}

.highlight-green {
    background: #dfd !important;
}

.toc {
    background: #f0ece2;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.toc h3 {
    margin-top: 0;
    color: #1a1a2e;
}

.toc ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.toc li {
    margin: 0.3rem 0;
}

.toc a {
    color: #555;
    font-size: 0.9rem;
}

.toc a:hover {
    color: #d4a843;
}

.resources ul {
    list-style: none;
    padding: 0;
    columns: 2;
}

.resources li {
    margin-bottom: 0.5rem;
}

.glossary ul {
    columns: 3;
    list-style: none;
    padding: 0;
}

.glossary li {
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
}

footer {
    text-align: center;
    padding: 2rem;
    font-size: 0.75rem;
    color: #aaa;
    border-top: 1px solid #eee;
    margin-top: 3rem;
}

@media (max-width: 600px) {
    .resources ul, .glossary ul {
        columns: 1;
    }
    nav a {
        display: inline-block;
        margin: 0.2rem 0.4rem;
    }
}