/* Color theme */
:root {
    --bg: #0d1117;
    --panel: #161b22;
    --text: #c9d1d9;
    --muted: #8b949e;
    --border: #30363d;
    --accent: #58a6ff;
}

/* Layout */
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    display: flex;
}

/* Sidebar */
.sidebar {
    width: 260px;
    height: 100vh;
    position: sticky;
    top: 0;
    background: linear-gradient(
    0deg,
    #001922,
    #0d1117
);
    border-right: 1px solid var(--border);
    padding: 20px;
}

.banner {
    height: 80px;
    width: 100%;
    border-bottom: 1px solid #30363d;
}

.banner-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 80px;
}

/* Logo (keep aspect ratio) */
.logo {
    height: 40px;
    width: auto;
}

/* Heart icon */
.heart {
    height: 20px;
    width: auto;
    opacity: 0.8;
}

/* Title */
.title {
    font-size: 30px;
    font-weight: 600;
    margin: 0;
    color: #c9d1d9;
}

.wrapper {
    max-width: 1100px;
    margin: auto;
}

.max-width {
    width: 100%;
}

.container {
    display: flex;
}

.sidebar h2 {
    margin-top: 0;
    font-size: 18px;
}

.sidebar a {
    display: block;
    color: var(--muted);
    text-decoration: none;
    margin: 8px 0;
    font-size: 14px;
    transition: color 0.2s ease;
}

.sidebar a:hover {
    color: var(--accent);
}

/* Content */
.content {
    max-width: 900px;
    padding: 0 40px 0 40px;
}

/* Typography */
h1 {
    font-size: 32px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
}

h2 {
    margin-top: 40px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 6px;
}

/* Code blocks */
code {
    background: var(--panel);
    padding: 3px 6px;
    border-radius: 6px;
    font-family: monospace;
}

pre {
    background: var(--panel);
    padding: 16px;
    border-radius: 6px;
    overflow-x: auto;
}

/* Options */
.option {
    margin-bottom: 12px;
}