:root {
    --bg-color: #1a1a2e;
    --text-color: #e8e8e8;
    --accent-color: #4a90d9;
    --border-color: #333;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 2rem;
}

h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

h2 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.diagram-container {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 1rem;
}

.diagram {
    flex: 1;
    min-width: 400px;
    background: #252540;
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid var(--border-color);
}

.diagram h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
}

.diagram img,
.diagram object {
    width: 100%;
    height: auto;
    background: white;
    border-radius: 4px;
}

.diagram a {
    display: block;
    text-align: center;
    margin-top: 0.5rem;
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.9rem;
}

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

nav {
    margin-bottom: 2rem;
}

nav a {
    color: var(--accent-color);
    text-decoration: none;
    margin-right: 1.5rem;
}

nav a:hover {
    text-decoration: underline;
}

.legend {
    margin-top: 2rem;
    padding: 1rem;
    background: #252540;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.legend h3 {
    margin-bottom: 0.5rem;
}

.legend ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.legend li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.legend .color-box {
    width: 16px;
    height: 16px;
    border-radius: 3px;
}

code {
    background: #333;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.9em;
}

pre {
    background: #252540;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    border: 1px solid var(--border-color);
}

pre code {
    background: none;
    padding: 0;
}