:root {
    /* Colors */
    --bg-body: #ffffff;
    --bg-sidebar: #f7f9fc;
    --text-primary: #1a1f36;
    --text-secondary: #4f566b;
    --text-code: #c3e88d;
    --bg-code: #1a1f36;
    --accent-primary: #5469d4;
    --accent-hover: #4556ac;
    --border-color: #e3e8ee;
    --code-comment: #6a737d;
    --code-keyword: #ff7b72;
    --code-string: #a5d6ff;
    --code-number: #79c0ff;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --sidebar-width: 280px;

    /* Fonts */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background-color: var(--bg-body);
    margin: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Layout */
.docs-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    padding: var(--spacing-lg);
    top: 0;
    left: 0;
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    display: block;
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-group {
    margin-bottom: var(--spacing-lg);
}

.nav-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.nav-link {
    display: block;
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.1s ease;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link.active {
    color: var(--accent-primary);
    font-weight: 500;
}

/* Main Content */
.content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: var(--spacing-xl) 60px;
    max-width: 1200px;
}

/* Typography */
h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 var(--spacing-lg);
    color: var(--text-primary);
    letter-spacing: -1px;
}

h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin: var(--spacing-xl) 0 var(--spacing-md);
    color: var(--text-primary);
    letter-spacing: -0.5px;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    color: var(--text-primary);
}

p,
ul,
ol {
    margin-bottom: var(--spacing-md);
    font-size: 1.05rem;
    color: var(--text-secondary);
}

a {
    color: var(--accent-primary);
    text-decoration: none;
}

a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Code Blocks */
pre {
    background-color: var(--bg-code);
    color: var(--text-code);
    padding: var(--spacing-md);
    border-radius: 8px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    margin: var(--spacing-md) 0;
}

code {
    font-family: var(--font-mono);
    font-size: 0.9em;
}

p code,
li code,
td code {
    background-color: rgba(0, 0, 0, 0.05);
    padding: 2px 5px;
    border-radius: 4px;
    color: var(--text-primary);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
}

th,
td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

th {
    font-weight: 600;
    color: var(--text-primary);
    background-color: #f7f9fc;
}

td {
    color: var(--text-secondary);
}

/* Endpoints */
.endpoint {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.method {
    font-weight: 700;
    text-transform: uppercase;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.8rem;
}

.method.get {
    background-color: #e3f2fd;
    color: #1e88e5;
}

.method.post {
    background-color: #e8f5e9;
    color: #2e7d32;
}

.method.put {
    background-color: #fff3e0;
    color: #f57c00;
}

.method.delete {
    background-color: #ffebee;
    color: #c62828;
}

.path {
    color: var(--text-primary);
}

/* Alert Boxes */
.alert {
    padding: var(--spacing-md);
    border-radius: 6px;
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.alert-info {
    background-color: #e3f2fd;
    border-left: 4px solid #1e88e5;
    color: #0d47a1;
}

.alert-warning {
    background-color: #fff3e0;
    border-left: 4px solid #f57c00;
    color: #e65100;
}

/* Utils */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    background: #e3e8ee;
    color: var(--text-secondary);
}

/* Diagram Placeholder */
.diagram-placeholder {
    width: 100%;
    height: 120px;
    background-color: #f7f9fc;
    border: 1px dashed var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    margin: var(--spacing-md) 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .docs-layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: var(--spacing-md);
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .content {
        margin-left: 0;
        padding: var(--spacing-lg);
    }
}