/* Idƴl documentation stylesheet */

:root {
    --bg: #fdfdfd;
    --fg: #1a1a1a;
    --accent: #3a6ea5;
    --accent-light: #e8f0fa;
    --border: #d0d7de;
    --code-bg: #f5f6f8;
    --code-border: #e1e4e8;
    --nav-bg: #f0f3f6;
    --max-width: 52rem;
}

@media (prefers-color-scheme: dark) {
    code, pre, pre code {
        color: #c9d1d9;
    }
    :root {
        --bg: #0d1117;
        --fg: #c9d1d9;
        --accent: #58a6ff;
        --accent-light: #161b22;
        --border: #30363d;
        --code-bg: #161b22;
        --code-border: #30363d;
        --nav-bg: #161b22;
    }
}

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

html {
    font-size: 17px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    line-height: 1.7;
    color: var(--fg);
    background: var(--bg);
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}

/* Headings */
h1, h2, h3, h4 {
    margin-top: 2em;
    margin-bottom: 0.5em;
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: 2rem;
    margin-top: 0;
    padding-bottom: 0.4em;
    border-bottom: 2px solid var(--accent);
}

h2 {
    font-size: 1.5rem;
    padding-bottom: 0.3em;
    border-bottom: 1px solid var(--border);
}

h3 { font-size: 1.2rem; }
h4 { font-size: 1rem; }

/* Paragraphs & lists */
p, ul, ol {
    margin-bottom: 1em;
}

ul, ol {
    padding-left: 1.8em;
}

li {
    margin-bottom: 0.3em;
}

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

a:hover {
    text-decoration: underline;
}

/* Horizontal rules */
hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2em 0;
}

/* Inline code */
code {
    font-family: "SFMono-Regular", "Cascadia Code", "Fira Code", Consolas, monospace;
    font-size: 0.88em;
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: 4px;
    padding: 0.15em 0.4em;
}

/* Code blocks */
pre {
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: 6px;
    padding: 1em 1.2em;
    overflow-x: auto;
    margin-bottom: 1.2em;
    line-height: 1.5;
}

pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: 0.88em;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.2em;
}

th, td {
    text-align: left;
    padding: 0.6em 1em;
    border: 1px solid var(--border);
}

th {
    background: var(--accent-light);
    font-weight: 600;
}

tr:nth-child(even) {
    background: var(--code-bg);
}

/* Blockquotes */
blockquote {
    border-left: 4px solid var(--accent);
    padding: 0.5em 1em;
    margin: 1em 0;
    background: var(--accent-light);
    border-radius: 0 4px 4px 0;
}

blockquote p {
    margin-bottom: 0.3em;
}

/* Navigation links (top/bottom of chapters) */
p:first-of-type a,
p:last-of-type a {
    font-weight: 500;
}

/* Print */
@media print {
    body {
        max-width: 100%;
        padding: 1cm;
        font-size: 12pt;
    }

    pre {
        white-space: pre-wrap;
        word-wrap: break-word;
    }

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

/* ============================================================
   Pandoc syntax highlighting (Kate-style class names)
   ============================================================ */

/* Container: div.sourceCode > pre.sourceCode > code */
div.sourceCode {
    margin-bottom: 1.2em;
}

div.sourceCode pre {
    margin-bottom: 0;
}

/* Language label */
pre.sourceCode {
    position: relative;
}

code span.kw { color: #7c3aed; font-weight: 600; }  /* Keyword */
code span.bu { color: #0369a1; }                      /* Built-in */
code span.fu { color: #0369a1; }                      /* Function */
code span.dt { color: #0369a1; }                      /* DataType */
code span.dv { color: #b45309; }                      /* DecVal (number) */
code span.fl { color: #b45309; }                      /* Float */
code span.bn { color: #b45309; }                      /* BaseN */
code span.sc { color: #b91c1c; }                      /* SpecialChar (time) */
code span.st { color: #16803d; }                      /* String */
code span.ch { color: #16803d; font-weight: 600; }   /* Char (escape) */
code span.ss { color: #9333ea; font-style: italic; }  /* SpecialString (rest) */
code span.co { color: #6b7280; font-style: italic; }  /* Comment */
code span.op { color: #d946ef; }                      /* Operator */
code span.al { color: #dc2626; font-weight: 700; }   /* Alert (trigger) */
code span.cn { color: #0e7490; font-weight: 600; }   /* Constant */
code span.va { color: var(--fg); }                    /* Variable */
code span.cf { color: #7c3aed; font-weight: 600; }   /* ControlFlow */
code span.at { color: #7c3aed; }                      /* Attribute */
code span.ot { color: #7c3aed; }                      /* Other */
code span.pp { color: #7c3aed; }                      /* Preprocessor */
code span.do { color: #6b7280; font-style: italic; }  /* Documentation */
code span.an { color: #6b7280; font-weight: 600; }   /* Annotation */
code span.wa { color: #d97706; font-weight: 600; }   /* Warning */
code span.er { color: #dc2626; font-weight: 700;
               text-decoration: underline; }           /* Error */
code span.in { color: #6b7280; font-style: italic; }  /* Information */

/* Dark mode overrides */
@media (prefers-color-scheme: dark) {
    code span.kw { color: #e0aaff; font-weight: 600; }      /* Keyword: bright violet */
    code span.bu { color: #38bdf8; }                        /* Built-in: vivid blue */
    code span.fu { color: #38bdf8; }                        /* Function: vivid blue */
    code span.dt { color: #f472b6; }                        /* DataType: pink */
    code span.dv { color: #facc15; }                        /* DecVal: yellow */
    code span.fl { color: #facc15; }                        /* Float: yellow */
    code span.bn { color: #facc15; }                        /* BaseN: yellow */
    code span.sc { color: #fb7185; }                        /* SpecialChar: coral */
    code span.st { color: #4ade80; }                        /* String: green */
    code span.ch { color: #4ade80; font-weight: 600; }      /* Char: green bold */
    code span.ss { color: #a78bfa; font-style: italic; }    /* SpecialString: purple italic */
    code span.co { color: #a1a1aa; font-style: italic; }    /* Comment: gray italic */
    code span.op { color: #f472b6; }                        /* Operator: pink */
    code span.al { color: #f87171; font-weight: 700; }      /* Alert: red bold */
    code span.cn { color: #38f9d7; font-weight: 600; }      /* Constant: teal bold */
    code span.cf { color: #e0aaff; font-weight: 600; }      /* ControlFlow: bright violet */
    code span.er { color: #f87171; font-weight: 700; text-decoration: underline; } /* Error: red underline */
    code span.wa { color: #fde047; font-weight: 600; }      /* Warning: bright yellow */
}