/* Premium Responsive Theme - RustAPI Cookbook */

/* 1. Define Variables & Defaults (Dark Mode) */
:root {
    /* Custom Palette */
    --premium-bg: #2d3748;
    --premium-sidebar: #232b38; /* Slightly darker than bg */
    --premium-text: #f7f9fb;
    --premium-heading: #f7f9fb;
    --premium-accent: #e06c3c;
    --premium-accent-hover: #ff8a65;
    --premium-border: #607d8b;
    --premium-code-bg: #1a202c;
    --premium-link: #e06c3c;

    /* Fonts */
    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Override MDBook Standard Variables (Dark Defaults) */
    --bg: var(--premium-bg);
    --fg: var(--premium-text);
    --sidebar-bg: var(--premium-sidebar);
    --sidebar-fg: var(--premium-text);
    --sidebar-non-existant: var(--premium-text);
    --quote-bg: rgba(224, 108, 60, 0.1);
    --table-header-bg: var(--premium-sidebar);
    --table-border-color: var(--premium-border);
}

/* 2. Light Theme Overrides */
/* Class is usually applied to html tag by mdbook */
.light,
.rust {
    /* Custom Palette - High Contrast */
    --premium-bg: #f7f9fb;
    --premium-sidebar: #ffffff;
    --premium-text: #2d3748;
    --premium-heading: #1a202c;
    --premium-accent: #e06c3c;
    --premium-accent-hover: #d85a2b;
    --premium-border: #cbd5e1;
    --premium-code-bg: #e2e8f0;
    --premium-link: #e06c3c;

    /* Override MDBook Variables for Light Mode */
    --bg: var(--premium-bg);
    --fg: var(--premium-text);
    --sidebar-bg: var(--premium-sidebar);
    --sidebar-fg: var(--premium-text);
    --quote-bg: rgba(224, 108, 60, 0.05);
    --table-header-bg: #fff;
    --table-border-color: var(--premium-border);
}

/* 3. Base Styles */
body {
    background-color: var(--bg);
    color: var(--fg);
    font-family: var(--font-primary);
}

/* Force Markdown Section Colors */
.markdown-section {
    color: var(--fg);
}

.markdown-section p,
.markdown-section li,
.markdown-section table {
    color: var(--fg);
}

/* Headings */
h1,
h2,
h3,
h4 {
    color: var(--premium-heading);
    font-weight: 700;
    margin-top: 2em;
    font-family: var(--font-mono); /* Geeky font for headers */
}

h1 {
    font-size: 2.5em;
    border-bottom: 2px solid var(--premium-border);
    padding-bottom: 0.5em;
    color: var(--premium-accent);
    display: inline-block;
}

/* Links */
a {
    color: var(--premium-link);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* Sidebar */
.sidebar {
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--premium-border);
}

.sidebar-scrollbox {
    scrollbar-width: thin;
    scrollbar-color: var(--premium-border) transparent;
}

.chapter li.active>a {
    color: var(--premium-accent);
    border-left: 2px solid var(--premium-accent);
    background: rgba(224, 108, 60, 0.1);
    padding-left: 8px;
}

.light .chapter li.active>a {
    background: rgba(224, 108, 60, 0.1);
}

.chapter a {
    color: #94a3b8;
    transition: all 0.2s ease;
}

.light .chapter a,
.rust .chapter a {
    color: #64748b;
}

.chapter a:hover {
    color: var(--premium-heading);
}

/* Code Blocks */
pre,
code {
    background-color: var(--premium-code-bg);
    border-radius: 0px; /* Sharper, techy look */
    border: 1px solid var(--premium-border);
    font-family: var(--font-mono);
}

pre {
    padding: 1.5em;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Blockquotes */
blockquote {
    background: var(--quote-bg);
    border-left: 4px solid var(--premium-accent);
    margin: 1.5em 0;
    padding: 1em;
    border-radius: 0 8px 8px 0;
    color: var(--fg);
}

/* Tables */
table {
    border-collapse: separate;
    border-spacing: 0;
    width: 100%;
    margin: 1.5em 0;
    border: 1px solid var(--table-border-color);
    border-radius: 8px;
    overflow: hidden;
}

th {
    background-color: var(--table-header-bg);
    color: var(--premium-heading);
    font-weight: 600;
    padding: 12px;
    border-bottom: 1px solid var(--table-border-color);
    font-family: var(--font-mono);
}

td {
    padding: 12px;
    border-bottom: 1px solid var(--table-border-color);
    color: var(--fg);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: rgba(224, 108, 60, 0.05);
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--premium-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--premium-accent);
}