/* Namu Documentation -- style.css */

/* ------------------------------------------------------------------ */
/* Reset & Base                                                       */
/* ------------------------------------------------------------------ */

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

:root {
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --font-mono: "SF Mono", SFMono-Regular, ui-monospace, Menlo, Monaco,
        Consolas, "Liberation Mono", "Courier New", monospace;

    /* Light mode */
    --bg: #ffffff;
    --bg-alt: #f6f8fa;
    --fg: #1f2328;
    --fg-muted: #656d76;
    --border: #d1d9e0;
    --accent: #0969da;
    --accent-hover: #0550ae;
    --code-bg: #f6f8fa;
    --code-fg: #1f2328;
    --pre-bg: #161b22;
    --pre-fg: #e6edf3;
    --nav-bg: #f6f8fa;
    --nav-border: #d1d9e0;
    --table-stripe: #f6f8fa;
    --sidebar-width: 240px;
    --content-max: 800px;
    --kbd-bg: #f0f0f0;
    --kbd-border: #ccc;

    /* Syntax highlighting (dark background) */
    --syn-keyword: #ff7b72;
    --syn-string: #a5d6ff;
    --syn-comment: #8b949e;
    --syn-number: #79c0ff;
    --syn-type: #ffa657;
    --syn-func: #d2a8ff;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0d1117;
        --bg-alt: #161b22;
        --fg: #e6edf3;
        --fg-muted: #8b949e;
        --border: #30363d;
        --accent: #58a6ff;
        --accent-hover: #79c0ff;
        --code-bg: #161b22;
        --code-fg: #e6edf3;
        --pre-bg: #161b22;
        --pre-fg: #e6edf3;
        --nav-bg: #161b22;
        --nav-border: #30363d;
        --table-stripe: #161b22;
        --kbd-bg: #21262d;
        --kbd-border: #30363d;
    }
}

html {
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    color: var(--fg);
    background: var(--bg);
}

/* ------------------------------------------------------------------ */
/* Layout                                                             */
/* ------------------------------------------------------------------ */

.page-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar navigation */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    overflow-y: auto;
    padding: 1.5rem 1rem;
    background: var(--nav-bg);
    border-right: 1px solid var(--nav-border);
    z-index: 10;
}

.sidebar-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--fg);
    text-decoration: none;
    display: block;
    margin-bottom: 0.25rem;
}

.sidebar-tagline {
    font-size: 0.75rem;
    color: var(--fg-muted);
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

.sidebar nav ul {
    list-style: none;
}

.sidebar nav ul li {
    margin-bottom: 0.125rem;
}

.sidebar nav ul li a {
    display: block;
    padding: 0.375rem 0.75rem;
    color: var(--fg-muted);
    text-decoration: none;
    font-size: 0.875rem;
    border-radius: 6px;
    transition: background 0.15s, color 0.15s;
}

.sidebar nav ul li a:hover {
    background: var(--border);
    color: var(--fg);
}

.sidebar nav ul li a.active {
    background: var(--accent);
    color: #fff;
}

/* Main content */
.content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 2.5rem 2rem;
    max-width: calc(var(--content-max) + 4rem);
}

/* ------------------------------------------------------------------ */
/* Typography                                                         */
/* ------------------------------------------------------------------ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--fg);
}

h1 { font-size: 2rem; margin-top: 0; }
h2 { font-size: 1.5rem; padding-bottom: 0.3rem; border-bottom: 1px solid var(--border); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

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

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

ul, ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.25rem;
}

/* ------------------------------------------------------------------ */
/* Code                                                               */
/* ------------------------------------------------------------------ */

code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: var(--code-bg);
    color: var(--code-fg);
    padding: 0.15em 0.4em;
    border-radius: 4px;
}

pre {
    background: var(--pre-bg);
    color: var(--pre-fg);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    overflow-x: auto;
    margin-bottom: 1rem;
    line-height: 1.5;
    font-size: 0.875rem;
}

pre code {
    background: none;
    color: inherit;
    padding: 0;
    border-radius: 0;
    font-size: inherit;
}

/* Syntax classes */
.kw  { color: var(--syn-keyword); }
.str { color: var(--syn-string); }
.cmt { color: var(--syn-comment); }
.num { color: var(--syn-number); }
.typ { color: var(--syn-type); }
.fn  { color: var(--syn-func); }

/* ------------------------------------------------------------------ */
/* Tables                                                             */
/* ------------------------------------------------------------------ */

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

th, td {
    text-align: left;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--border);
}

th {
    background: var(--bg-alt);
    font-weight: 600;
}

tr:nth-child(even) td {
    background: var(--table-stripe);
}

/* ------------------------------------------------------------------ */
/* Keyboard shortcut tag                                              */
/* ------------------------------------------------------------------ */

kbd {
    font-family: var(--font-mono);
    font-size: 0.8em;
    background: var(--kbd-bg);
    border: 1px solid var(--kbd-border);
    border-radius: 4px;
    padding: 0.1em 0.4em;
}

/* ------------------------------------------------------------------ */
/* Blockquote                                                         */
/* ------------------------------------------------------------------ */

blockquote {
    border-left: 4px solid var(--accent);
    padding: 0.5rem 1rem;
    margin: 0 0 1rem 0;
    color: var(--fg-muted);
    background: var(--bg-alt);
    border-radius: 0 6px 6px 0;
}

blockquote p:last-child {
    margin-bottom: 0;
}

/* ------------------------------------------------------------------ */
/* Horizontal Rule                                                    */
/* ------------------------------------------------------------------ */

hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2rem 0;
}

/* ------------------------------------------------------------------ */
/* Feature grid (landing page)                                        */
/* ------------------------------------------------------------------ */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.feature-card {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
}

.feature-card h3 {
    font-size: 1rem;
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--fg-muted);
    margin-bottom: 0;
}

/* ------------------------------------------------------------------ */
/* Responsive                                                         */
/* ------------------------------------------------------------------ */

@media (max-width: 768px) {
    .sidebar {
        position: static;
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--nav-border);
        padding: 1rem;
    }

    .sidebar nav ul {
        display: flex;
        flex-wrap: wrap;
        gap: 0.25rem;
    }

    .content {
        margin-left: 0;
        padding: 1.5rem 1rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }
}